/* roulang page: index */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.08);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--gray-400);
            pointer-events: none;
            font-size: 0.9rem;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.875rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta:active {
            transform: scale(0.98);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Mobile Nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--white);
            z-index: 1000;
            padding: 80px 24px 24px;
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--dark);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-nav-panel .btn-nav-cta {
            text-align: center;
            margin-top: 12px;
            display: block;
        }

        /* Main */
        main {
            padding-top: var(--nav-height);
        }

        /* Section base */
        section {
            padding: 64px 0;
        }

        /* Hero Section - 拼团转化风格 */
        .hero-section {
            position: relative;
            background: var(--dark-bg);
            color: var(--white);
            padding: 80px 0 72px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(18, 18, 18, 0.65) 60%, rgba(255, 107, 0, 0.25) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 0, 0.25);
            color: #FFB380;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(255, 107, 0, 0.35);
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: #CCCCCC;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-group-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            margin-bottom: 24px;
            max-width: 440px;
            backdrop-filter: blur(8px);
        }

        .hero-group-card .group-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-group-card .group-title {
            font-weight: 700;
            font-size: 1rem;
            color: #FFD180;
        }

        .hero-group-card .group-count {
            font-size: 0.85rem;
            color: #FFB380;
            background: rgba(255, 107, 0, 0.2);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }

        .hero-group-card .group-progress {
            height: 6px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .hero-group-card .group-progress-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
            width: 72%;
            transition: width 0.6s ease;
        }

        .hero-group-card .group-meta {
            font-size: 0.8rem;
            color: #AAAAAA;
        }

        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--primary);
            color: var(--white);
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: 2px solid var(--primary);
        }

        .btn-hero-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 107, 0, 0.4);
        }

        .btn-hero-primary:active {
            transform: scale(0.98);
        }

        .btn-hero-secondary {
            background: transparent;
            color: var(--white);
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            transform: translateY(-2px);
        }

        .hero-visual {
            flex: 0 0 380px;
            min-width: 280px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .hero-visual .visual-label {
            text-align: center;
            color: #AAAAAA;
            font-size: 0.8rem;
            margin-top: 10px;
            letter-spacing: 0.04em;
        }

        /* 赛事集锦轨道 - 片库轨道转化 */
        .track-section {
            background: var(--white);
            padding: 48px 0;
        }

        .track-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .track-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
        }

        .track-section .section-header .track-nav-arrows {
            display: flex;
            gap: 8px;
        }

        .track-nav-arrows button {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gray-100);
            border: none;
            cursor: pointer;
            font-size: 1rem;
            color: var(--gray-600);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .track-nav-arrows button:hover {
            background: var(--primary);
            color: var(--white);
        }

        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding-bottom: 8px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--gray-300) transparent;
        }

        .track-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 2px;
        }

        .track-card {
            flex: 0 0 260px;
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1px solid var(--gray-100);
            position: relative;
        }

        .track-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .track-card .track-thumb {
            position: relative;
            width: 100%;
            height: 150px;
            overflow: hidden;
            background: var(--gray-200);
        }

        .track-card .track-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .track-card .track-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.75);
            color: #FFF;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        .track-card .track-info {
            padding: 14px;
        }

        .track-card .track-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .track-card .track-meta {
            font-size: 0.78rem;
            color: var(--gray-500);
        }

        .track-card .track-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: #FFF;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* 热播推荐 */
        .hot-recommend-section {
            background: var(--gray-50);
            padding: 56px 0;
        }

        .hot-recommend-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .hot-recommend-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .hot-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
        }

        .hot-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1px solid var(--gray-100);
            position: relative;
        }

        .hot-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .hot-card.featured {
            grid-row: span 2;
        }

        .hot-card .hot-thumb {
            width: 100%;
            overflow: hidden;
            background: var(--gray-200);
            position: relative;
        }

        .hot-card.featured .hot-thumb {
            height: 320px;
        }

        .hot-card:not(.featured) .hot-thumb {
            height: 160px;
        }

        .hot-card .hot-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-card .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: #FF3D00;
            color: #FFF;
            font-size: 0.7rem;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hot-card .hot-badge::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: #FFF;
            border-radius: 50%;
            animation: pulse-dot 1.4s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hot-card .hot-info {
            padding: 16px;
        }

        .hot-card.featured .hot-info {
            padding: 20px;
        }

        .hot-card .hot-title {
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .hot-card.featured .hot-title {
            font-size: 1.3rem;
        }

        .hot-card:not(.featured) .hot-title {
            font-size: 1rem;
        }

        .hot-card .hot-desc {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card .hot-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 10px;
            font-size: 0.78rem;
            color: var(--gray-400);
        }

        .hot-card .hot-cta {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .hot-card .hot-cta:hover {
            text-decoration: underline;
        }

        /* 赛事分区 */
        .zone-section {
            background: var(--white);
            padding: 56px 0;
        }

        .zone-section .section-header {
            margin-bottom: 28px;
        }

        .zone-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .zone-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
        }

        .zone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .zone-card {
            background: var(--gray-50);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .zone-card:hover {
            border-color: var(--primary);
            background: var(--white);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .zone-card .zone-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-light);
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 700;
        }

        .zone-card .zone-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .zone-card .zone-count {
            font-size: 0.8rem;
            color: var(--gray-500);
        }

        .zone-card .zone-link {
            display: inline-block;
            margin-top: 10px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .zone-card .zone-link:hover {
            text-decoration: underline;
        }

        /* 服务能力 */
        .services-section {
            background: var(--gray-50);
            padding: 56px 0;
        }

        .services-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .services-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .services-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .service-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .service-card .svc-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
        }

        .service-card .svc-info h3 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .service-card .svc-info p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        .service-card .svc-info .svc-link {
            display: inline-block;
            margin-top: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .service-card .svc-info .svc-link:hover {
            text-decoration: underline;
        }

        /* 品牌介绍 */
        .brand-section {
            background: var(--dark-bg);
            color: var(--white);
            padding: 64px 0;
        }

        .brand-section .container {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }

        .brand-text {
            flex: 1;
            min-width: 280px;
        }

        .brand-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFB380;
        }

        .brand-text p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: #CCCCCC;
            margin-bottom: 12px;
        }

        .brand-visual {
            flex: 0 0 360px;
            min-width: 260px;
        }

        .brand-visual img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* 优势数据 */
        .stats-section {
            background: var(--white);
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            padding: 24px 16px;
        }

        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--gray-500);
            font-weight: 500;
        }

        .stat-item .stat-suffix {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* 深度内容区 */
        .deep-content-section {
            background: var(--gray-50);
            padding: 56px 0;
        }

        .deep-content-block {
            display: flex;
            gap: 36px;
            align-items: center;
            margin-bottom: 48px;
            flex-wrap: wrap;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
        }

        .deep-content-block.reverse {
            flex-direction: row-reverse;
        }

        .deep-content-block .dc-image {
            flex: 0 0 420px;
            min-width: 280px;
            height: 340px;
            overflow: hidden;
            background: var(--gray-200);
        }

        .deep-content-block .dc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-content-block .dc-text {
            flex: 1;
            padding: 32px;
            min-width: 280px;
        }

        .deep-content-block .dc-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .deep-content-block .dc-text p {
            font-size: 0.93rem;
            line-height: 1.8;
            color: var(--gray-600);
            margin-bottom: 10px;
        }

        .deep-content-block .dc-text .dc-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
        }

        .deep-content-block .dc-text .dc-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 6px;
        }

        .deep-content-block .dc-text .dc-link:hover {
            text-decoration: underline;
        }

        /* 新闻中心 */
        .news-section {
            background: var(--white);
            padding: 56px 0;
        }

        .news-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .news-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
        }

        .news-section .section-header .news-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .news-section .section-header .news-more:hover {
            text-decoration: underline;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--gray-200);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--gray-100);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            background: var(--gray-50);
            padding-left: 12px;
            border-radius: 4px;
        }

        .news-item .news-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            padding: 8px 4px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
        }

        .news-item .news-date .day {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .news-item .news-date .month {
            font-size: 0.75rem;
            color: var(--gray-500);
            font-weight: 500;
        }

        .news-item .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-body .news-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item .news-body .news-summary {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-readmore {
            flex-shrink: 0;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            align-self: center;
            white-space: nowrap;
        }

        .news-item .news-readmore:hover {
            text-decoration: underline;
        }

        /* 专题汇总 */
        .topics-section {
            background: var(--gray-50);
            padding: 56px 0;
        }

        .topics-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .topics-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .topic-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .topic-card .topic-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
        }

        .topic-card h3 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .topic-card p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        .topic-card .topic-link {
            display: inline-block;
            margin-top: 10px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .topic-card .topic-link:hover {
            text-decoration: underline;
        }

        /* 套餐对比 */
        .pricing-section {
            background: var(--white);
            padding: 56px 0;
        }

        .pricing-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .pricing-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .pricing-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--white);
            border: 2px solid var(--gray-200);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .pricing-card.recommended {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            background: #FFFBF7;
        }

        .pricing-card.recommended .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #FFF;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .pricing-card .pricing-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .pricing-card .pricing-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 12px 0;
        }

        .pricing-card .pricing-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--gray-500);
        }

        .pricing-card .pricing-features {
            list-style: none;
            text-align: left;
            margin: 16px 0;
            padding: 0;
        }

        .pricing-card .pricing-features li {
            padding: 6px 0;
            font-size: 0.85rem;
            color: var(--gray-600);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card .pricing-features li::before {
            content: '✓';
            color: var(--accent-green);
            font-weight: 700;
            flex-shrink: 0;
        }

        .btn-pricing {
            display: inline-block;
            width: 100%;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-align: center;
            margin-top: 8px;
        }

        .btn-pricing-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-pricing-primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-md);
        }

        .btn-pricing-outline {
            background: transparent;
            color: var(--dark);
            border: 2px solid var(--gray-300);
        }

        .btn-pricing-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* FAQ */
        .faq-section {
            background: var(--gray-50);
            padding: 56px 0;
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .faq-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .faq-section .section-header p {
            color: var(--gray-500);
            font-size: 0.95rem;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--gray-100);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: var(--white);
            transition: background var(--transition-fast);
            user-select: none;
        }

        .faq-item .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-item .faq-question .faq-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            margin-right: 8px;
        }

        .faq-item .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-item .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* 关注入口 */
        .follow-section {
            background: var(--white);
            padding: 56px 0;
            text-align: center;
        }

        .follow-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .follow-section p {
            color: var(--gray-500);
            font-size: 0.95rem;
            margin-bottom: 24px;
        }

        .follow-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-follow {
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: 2px solid var(--primary);
        }

        .btn-follow-solid {
            background: var(--primary);
            color: var(--white);
        }

        .btn-follow-solid:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-follow-outline {
            background: transparent;
            color: var(--primary);
        }

        .btn-follow-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        /* CTA */
        .cta-section {
            background: var(--dark-bg);
            color: var(--white);
            padding: 56px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-section p {
            color: #CCCCCC;
            font-size: 0.95rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #FFF;
            padding: 0 16px;
            font-size: 0.9rem;
        }

        .cta-form input::placeholder {
            color: #AAAAAA;
        }

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }

        .cta-form .btn-submit {
            background: var(--primary);
            color: #FFF;
            padding: 0 28px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-md);
        }

        .cta-contact-info {
            font-size: 0.85rem;
            color: #AAAAAA;
            margin-top: 12px;
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: #CCCCCC;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #FFF;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #AAAAAA;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #888888;
        }

        .footer-bottom a {
            color: #AAAAAA;
            font-size: 0.8rem;
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .hero-visual {
                flex: 0 0 300px;
                min-width: 240px;
            }
            .hot-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-card.featured {
                grid-row: span 1;
            }
            .zone-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .deep-content-block .dc-image {
                flex: 0 0 100%;
                height: 240px;
            }
            .deep-content-block {
                flex-direction: column;
            }
            .deep-content-block.reverse {
                flex-direction: column;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-visual {
                flex: 0 0 100%;
                min-width: 100%;
            }
            .hero-section .container {
                flex-direction: column;
                gap: 28px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .zone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item .news-date {
                width: auto;
                display: inline-flex;
                gap: 6px;
                align-items: baseline;
                padding: 4px 10px;
            }
            .news-item .news-date .day {
                font-size: 1rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .track-card {
                flex: 0 0 200px;
            }
            .brand-section .container {
                flex-direction: column;
            }
            .brand-visual {
                flex: 0 0 100%;
                min-width: 100%;
            }
            section {
                padding: 40px 0;
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                text-align: center;
            }
            .zone-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hero-group-card {
                padding: 14px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray-400);
            pointer-events: none;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .nav-search input:focus~.search-icon {
            color: var(--primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
            line-height: 1;
        }

        /* Hero - 影视海报沉浸暗底风格 */
        .hero-category {
            position: relative;
            width: 100%;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(18, 18, 18, 0.72) 40%, rgba(18, 18, 18, 0.55) 70%, rgba(18, 18, 18, 0.75) 100%);
            z-index: 1;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(18, 18, 18, 0.7) 0%, transparent 100%);
            z-index: 1;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            width: 100%;
        }

        .hero-category .hero-content {
            flex: 1;
            max-width: 620px;
        }

        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 107, 0, 0.2);
            border: 1px solid rgba(255, 107, 0, 0.4);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-category .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.6);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 0 10px rgba(0, 200, 83, 0);
            }
        }

        .hero-category h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .hero-category h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-category .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-category .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .hero-category .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 107, 0, 0.4);
        }

        .hero-category .btn-primary:active {
            transform: scale(0.98);
        }

        .hero-category .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .hero-category .btn-outline:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-category .hero-stats-panel {
            display: flex;
            gap: 20px;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-category .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }

        .hero-category .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .hero-category .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
        }

        /* Section通用 */
        .section {
            padding: 64px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--white);
        }

        .section-white {
            background: var(--white);
        }

        .section-gray {
            background: var(--gray-50);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: inherit;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--gray-500);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 卡片 */
        .card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--gray-200);
        }

        .card-body {
            padding: 20px;
        }

        .card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .card-body .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .card-body .card-link:hover {
            gap: 8px;
            text-decoration: underline;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--dark);
            border: 2px solid var(--gray-300);
        }

        .btn-outline-dark:hover {
            border-color: var(--dark);
            background: var(--dark);
            color: var(--white);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        /* 流程/步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 20px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            text-align: center;
            counter-increment: step;
        }

        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .step-item::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
            line-height: 1;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 非对称Grid */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .asymmetric-grid.reverse {
            grid-template-columns: 1fr 1.2fr;
        }

        .asymmetric-grid .grid-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            background: var(--gray-200);
        }

        .asymmetric-grid .grid-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .asymmetric-grid .grid-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .asymmetric-grid .grid-text p {
            font-size: 0.95rem;
            color: var(--gray-500);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* 数据条 */
        .stats-bar {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }

        .stats-bar .stat-block {
            text-align: center;
            min-width: 100px;
        }

        .stats-bar .stat-block .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .stats-bar .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--gray-500);
        }

        .section-dark .stats-bar .stat-block .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 内容列表 */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .content-list-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

        .content-list-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }

        .content-list-item .list-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 70px;
            padding-top: 2px;
        }

        .content-list-item .list-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .content-list-item .list-body p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .content-list-item .list-body .list-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .content-list-item .list-body .list-link:hover {
            text-decoration: underline;
        }

        .content-list-item .list-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--gray-200);
        }

        .content-list-item .list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* FAQ手风琴 */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
        }

        .faq-item.active {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            background: var(--white);
            transition: background var(--transition-fast);
            gap: 12px;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            border: none;
            font-family: inherit;
            line-height: 1.5;
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-question .faq-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 6px;
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: var(--white);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.7;
        }

        /* CTA区域 */
        .cta-section {
            background: var(--primary);
            color: var(--white);
            text-align: center;
            padding: 56px 0;
        }

        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            margin-bottom: 24px;
            opacity: 0.9;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--white);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .cta-section .btn-cta:hover {
            background: var(--dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
        }

        .cta-section .btn-cta:active {
            transform: scale(0.98);
        }

        /* 页脚 */
        footer {
            background: var(--dark-bg);
            color: var(--white);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--white);
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            margin-right: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .tag-orange {
            background: var(--primary-light);
            color: var(--primary);
        }

        .tag-green {
            background: rgba(0, 200, 83, 0.12);
            color: var(--accent-green);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .hero-category .container {
                flex-direction: column;
                gap: 28px;
                text-align: center;
            }
            .hero-category .hero-content {
                max-width: 100%;
            }
            .hero-category .hero-subtitle {
                max-width: 100%;
            }
            .hero-category .hero-actions {
                justify-content: center;
            }
            .hero-category .hero-stats-panel {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .asymmetric-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .asymmetric-grid.reverse {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 12px 0;
                box-shadow: var(--shadow-lg);
                z-index: 999;
                border-top: 1px solid var(--gray-100);
                gap: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                padding: 12px 24px;
                border-radius: 0;
                font-size: 0.95rem;
                display: block;
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                background: var(--primary-light);
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero-category {
                min-height: 420px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-category .hero-stats-panel {
                padding: 16px 20px;
                gap: 14px;
            }
            .hero-category .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .content-list-item {
                flex-direction: column;
            }
            .content-list-item .list-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stats-bar {
                gap: 16px;
            }
            .stats-bar .stat-block .stat-value {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category {
                min-height: 380px;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-category .btn-primary,
            .hero-category .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-category .hero-stats-panel {
                width: 100%;
                justify-content: space-around;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .card-img {
                height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.08);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--gray-400);
            pointer-events: none;
            font-size: 0.9rem;
        }

        .btn-nav-cta {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta:active {
            transform: scale(0.98);
        }

        /* Mobile menu toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            padding: 4px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(26, 26, 26, 0.82) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 0 90px;
            color: var(--white);
            text-align: center;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 0, 0.2);
            border: 1px solid rgba(255, 107, 0, 0.4);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--white);
            letter-spacing: -0.02em;
        }

        .hero h1 .highlight {
            color: var(--primary);
        }

        .hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .btn-hero {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
            letter-spacing: 0.02em;
        }

        .btn-hero:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-hero:active {
            transform: scale(0.98);
        }

        .btn-hero-secondary {
            display: inline-block;
            background: transparent;
            color: var(--white);
            padding: 13px 34px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            margin-left: 14px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-hero-secondary:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        /* Section common */
        section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--gray-500);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Category Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .cat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
            cursor: pointer;
        }

        .cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .cat-card .cat-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
        }

        .cat-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .cat-card p {
            font-size: 0.875rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* Featured Review */
        .featured-review {
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .featured-review .review-image {
            background: var(--gray-100);
            min-height: 380px;
            position: relative;
            overflow: hidden;
        }

        .featured-review .review-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-review .review-image .review-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: var(--white);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .featured-review .review-content {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-review .review-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .featured-review .review-content .review-meta {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
            font-size: 0.85rem;
            color: var(--gray-500);
        }

        .featured-review .review-content .review-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .featured-review .review-content .review-score {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .review-score .score-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .review-score .score-text {
            font-size: 0.9rem;
            color: var(--gray-500);
        }

        .featured-review .review-content p {
            font-size: 0.95rem;
            color: var(--gray-600);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .btn-outline {
            display: inline-block;
            padding: 10px 24px;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            background: transparent;
            align-self: flex-start;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }

        /* Review Cards Grid */
        .review-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
        }

        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .review-card .card-img {
            height: 200px;
            background: var(--gray-100);
            position: relative;
            overflow: hidden;
        }

        .review-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .review-card .card-img .card-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent-green);
            color: var(--white);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .review-card .card-body {
            padding: 20px;
        }

        .review-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .review-card .card-body .card-date {
            font-size: 0.8rem;
            color: var(--gray-400);
            margin-bottom: 10px;
        }

        .review-card .card-body p {
            font-size: 0.875rem;
            color: var(--gray-500);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .review-card .card-body .card-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-yellow);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .review-card .card-body .card-rating .stars {
            color: var(--accent-yellow);
            letter-spacing: 2px;
        }

        /* Process Section */
        .process-section {
            background: var(--dark-bg);
            color: var(--white);
            padding: 70px 0;
        }

        .process-section .section-header h2 {
            color: var(--white);
        }

        .process-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--white);
        }

        .process-step p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        /* Deep Review Section */
        .deep-review {
            background: var(--white);
            padding: 50px 40px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            margin-bottom: 40px;
        }

        .deep-review .deep-review-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .deep-review .deep-review-header .deep-tag {
            background: var(--primary);
            color: var(--white);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
        }

        .deep-review .deep-review-header h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            flex: 1;
        }

        .deep-review .deep-review-body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .deep-review .deep-review-body .deep-text {
            font-size: 0.95rem;
            color: var(--gray-600);
            line-height: 1.9;
        }

        .deep-review .deep-review-body .deep-text p {
            margin-bottom: 16px;
        }

        .deep-review .deep-review-body .deep-image {
            background: var(--gray-100);
            border-radius: var(--radius-lg);
            min-height: 280px;
            overflow: hidden;
        }

        .deep-review .deep-review-body .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-review .deep-pros-cons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--gray-200);
        }

        .deep-pros-cons .pros h5,
        .deep-pros-cons .cons h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .deep-pros-cons .pros h5 {
            color: var(--accent-green);
        }

        .deep-pros-cons .cons h5 {
            color: #E53935;
        }

        .deep-pros-cons ul {
            list-style: none;
            padding: 0;
        }

        .deep-pros-cons ul li {
            font-size: 0.9rem;
            color: var(--gray-600);
            padding: 4px 0;
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }

        .deep-pros-cons ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .pros ul li::before {
            background: var(--accent-green);
        }

        .cons ul li::before {
            background: #E53935;
        }

        /* Expert Section */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .expert-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: all var(--transition-smooth);
        }

        .expert-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .expert-card .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary-light);
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            font-weight: 700;
        }

        .expert-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .expert-card .expert-role {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .expert-card p {
            font-size: 0.875rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #E05500 100%);
            padding: 60px 0;
            text-align: center;
            color: var(--white);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--white);
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .btn-cta-white {
            display: inline-block;
            background: var(--white);
            color: var(--primary);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
            letter-spacing: 0.02em;
        }

        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-cta-white:active {
            transform: scale(0.98);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--gray-200);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            background: var(--white);
            transition: background var(--transition-fast);
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-question::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            margin-right: 14px;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            color: var(--gray-400);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: var(--white);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* Comparison Table */
        .comparison-table-wrap {
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 8px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table th {
            background: var(--dark-bg);
            color: var(--white);
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table th:first-child {
            text-align: left;
            border-radius: var(--radius-sm) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }

        .comparison-table td {
            padding: 13px 16px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray-600);
            border-bottom: 1px solid var(--gray-100);
        }

        .comparison-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dark);
        }

        .comparison-table tr:hover td {
            background: var(--primary-light);
        }

        .comparison-table .highlight-cell {
            color: var(--primary);
            font-weight: 700;
        }

        .comparison-table .best-pick {
            background: #E8F5E9;
            color: var(--accent-green);
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            display: inline-block;
            font-size: 0.8rem;
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 0;
        }

        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        footer .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        footer .footer-col ul {
            list-style: none;
            padding: 0;
        }

        footer .footer-col ul li {
            margin-bottom: 8px;
        }

        footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        footer .footer-col ul li a:hover {
            color: var(--primary);
        }

        footer .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        footer .footer-bottom .footer-brand {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
        }

        footer .footer-bottom span {
            white-space: nowrap;
        }

        footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        footer .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-review {
                grid-template-columns: 1fr;
            }
            .featured-review .review-image {
                min-height: 250px;
            }
            .deep-review .deep-review-body {
                grid-template-columns: 1fr;
            }
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-stats {
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-right {
                gap: 6px;
            }
            .nav-search input {
                width: 120px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .review-cards-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .deep-pros-cons {
                grid-template-columns: 1fr;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat .stat-num {
                font-size: 1.6rem;
            }
            section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .featured-review .review-content {
                padding: 24px;
            }
            .deep-review {
                padding: 24px 20px;
            }
            .btn-hero-secondary {
                margin-left: 0;
                margin-top: 10px;
            }
            .hero .btn-hero,
            .hero .btn-hero-secondary {
                display: block;
                width: 100%;
                text-align: center;
            }
            .hero .btn-hero-secondary {
                margin-left: 0;
            }
            .comparison-table-wrap {
                padding: 4px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero p {
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 10px;
                flex-direction: column;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 22px;
                height: 22px;
            }
            .nav-search input {
                width: 100px;
            }
            .nav-search input:focus {
                width: 120px;
            }
            .btn-nav-cta {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.08);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray-400);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.88) 0%, rgba(26, 26, 26, 0.82) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            color: var(--white);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 107, 0, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--white);
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-form-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-xl);
            color: var(--dark);
        }

        .hero-form-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .hero-form-card p {
            font-size: 0.9rem;
            color: var(--gray-500);
            margin-bottom: 20px;
        }

        .hero-form-card .form-row {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .hero-form-card input {
            flex: 1;
            height: 44px;
            border-radius: var(--radius-md);
            border: 1.5px solid var(--gray-200);
            padding: 0 14px;
            font-size: 0.9rem;
        }

        .hero-form-card input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }

        .hero-form-card .btn-submit {
            width: 100%;
            height: 44px;
            background: var(--primary);
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
        }

        .hero-form-card .btn-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .hero-form-card .form-note {
            font-size: 0.78rem;
            color: var(--gray-400);
            margin-top: 10px;
            text-align: center;
        }

        /* Section通用 */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: inherit;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .section-dark .section-header h2 {
            color: var(--white);
        }

        .section-dark .section-header .section-tag {
            background: rgba(255, 107, 0, 0.2);
            color: var(--primary);
        }

        /* 卖点卡片网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--gray-500);
            line-height: 1.7;
        }

        /* 双栏图文 */
        .split-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .split-row.reverse {
            direction: rtl;
        }

        .split-row.reverse>* {
            direction: ltr;
        }

        .split-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: inherit;
        }

        .split-text p {
            font-size: 1rem;
            color: var(--gray-500);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .section-dark .split-text p {
            color: rgba(255, 255, 255, 0.75);
        }

        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--gray-200);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 统计数字 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--gray-500);
            font-weight: 500;
        }

        .section-dark .stat-label {
            color: rgba(255, 255, 255, 0.6);
        }

        /* 流程步骤 */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            position: relative;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 深度内容区 */
        .deep-content {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-md);
            margin-bottom: 32px;
        }

        .deep-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .deep-content p {
            font-size: 1rem;
            color: var(--gray-600);
            line-height: 2;
            margin-bottom: 16px;
            text-align: justify;
        }

        .deep-content .highlight-box {
            background: var(--primary-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 20px 0;
            border-left: 3px solid var(--primary);
        }

        .deep-content .highlight-box p {
            color: var(--dark);
            font-weight: 500;
            margin: 0;
        }

        /* 案例卡片 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .case-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .case-card .case-img {
            height: 200px;
            background: var(--gray-200);
            overflow: hidden;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 24px;
        }

        .case-card .case-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .case-card .case-body p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .case-card .case-body .case-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .case-card .case-body .case-link:hover {
            gap: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--gray-100);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-question .faq-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--gray-400);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--gray-600);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #E85D00 100%);
            padding: 64px 0;
            text-align: center;
            color: var(--white);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            height: 48px;
            border-radius: var(--radius-md);
            border: none;
            padding: 0 18px;
            font-size: 0.95rem;
            background: var(--white);
        }

        .cta-form .btn-cta {
            height: 48px;
            padding: 0 32px;
            background: var(--dark);
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-cta:hover {
            background: #000;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: var(--white);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .split-row.reverse {
                direction: ltr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-right {
                gap: 6px;
            }
            .nav-search input {
                width: 120px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-form-card {
                padding: 24px 20px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .deep-content {
                padding: 28px 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .split-image {
                min-height: 220px;
            }
            .case-card .case-img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .nav-search {
                display: none;
            }
            .hero-form-card .form-row {
                flex-direction: column;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        ul {
            list-style: none;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.08);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--gray-400);
            pointer-events: none;
            font-size: 0.9rem;
        }

        .nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--dark);
            border-radius: 2px;
            margin: 5px 0;
            transition: all var(--transition-fast);
        }

        /* Hero Section */
        .hero {
            position: relative;
            background: var(--dark-bg);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.92) 0%, rgba(18, 18, 18, 0.7) 50%, rgba(18, 18, 18, 0.85) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-content {
            color: var(--white);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(255, 107, 0, 0.2);
            border: 1px solid rgba(255, 107, 0, 0.4);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            display: inline-block;
            padding: 12px 26px;
            background: transparent;
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-panel {
            background: rgba(30, 30, 30, 0.85);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
        }

        .hero-panel h3 {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel h3::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 10px rgba(0, 200, 83, 0);
            }
        }

        .hero-rank-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .hero-rank-list li:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            font-size: 0.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hero-rank-list li:nth-child(2) .rank-num {
            background: #E67E22;
        }
        .hero-rank-list li:nth-child(3) .rank-num {
            background: #D35400;
        }
        .hero-rank-list li:nth-child(4) .rank-num,
        .hero-rank-list li:nth-child(5) .rank-num {
            background: var(--gray-500);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info .rank-title {
            color: var(--white);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info .rank-meta {
            color: var(--gray-400);
            font-size: 0.75rem;
        }

        .rank-stat {
            color: var(--accent-green);
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        /* Section Common */
        section {
            padding: 72px 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--gray-500);
            line-height: 1.7;
            max-width: 640px;
        }

        /* Section 2: Intro */
        .intro-section {
            background: var(--white);
            padding: 60px 0;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .intro-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--gray-100);
        }

        .intro-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-image-wrapper::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
            pointer-events: none;
        }

        .intro-text .section-title {
            margin-bottom: 16px;
        }

        .intro-text p {
            color: var(--gray-600);
            line-height: 1.85;
            margin-bottom: 14px;
            font-size: 1rem;
        }

        .intro-text .intro-highlight {
            display: inline-block;
            padding: 4px 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            border-radius: 4px;
            font-size: 0.9rem;
        }

        /* Section 3: Featured Stories */
        .featured-section {
            background: var(--gray-50);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            margin-top: 36px;
        }

        .featured-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .featured-card.featured-large {
            grid-row: 1 / 3;
        }

        .featured-card .card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--gray-100);
            position: relative;
        }

        .featured-card.featured-large .card-image {
            aspect-ratio: 4/3;
        }

        .featured-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .featured-card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 4px;
            z-index: 2;
        }

        .featured-card .card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-card.featured-large .card-body h3 {
            font-size: 1.35rem;
        }

        .featured-card .card-body .card-excerpt {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .card-meta .meta-author {
            color: var(--primary);
            font-weight: 500;
        }

        .card-link {
            display: inline-block;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 6px;
            transition: all var(--transition-fast);
        }

        .card-link:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        /* Section 4: Stats */
        .stats-section {
            background: var(--dark-bg);
            color: var(--white);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* Section 5: Story Categories */
        .categories-section {
            background: var(--white);
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 36px;
        }

        .category-card {
            background: var(--gray-50);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            cursor: pointer;
        }

        .category-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: var(--white);
        }

        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: all var(--transition-fast);
        }

        .category-card:hover .category-icon {
            background: var(--primary);
            color: var(--white);
        }

        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        /* Section 6: Deep Story */
        .deep-story-section {
            background: var(--gray-50);
        }

        .deep-story-block {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-top: 36px;
        }

        .deep-story-image {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--gray-100);
        }

        .deep-story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-story-content {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .deep-story-content .story-date {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .deep-story-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .deep-story-content p {
            color: var(--gray-600);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }

        .deep-story-content .story-quote {
            border-left: 3px solid var(--primary);
            padding-left: 16px;
            color: var(--gray-500);
            font-style: italic;
            margin: 12px 0;
            font-size: 0.9rem;
        }

        /* Section 7: Community Highlights */
        .highlights-section {
            background: var(--white);
        }

        .highlights-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 36px;
        }

        .highlight-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--gray-50);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .highlight-item:hover {
            box-shadow: var(--shadow-md);
            background: var(--white);
        }

        .highlight-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--gray-200);
        }

        .highlight-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .highlight-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .highlight-info p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        .highlight-info .highlight-tag {
            display: inline-block;
            padding: 2px 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 3px;
            margin-top: 6px;
        }

        /* Section 8: How to Participate */
        .participate-section {
            background: var(--gray-50);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .step-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        .step-connector {
            display: none;
        }

        /* Section 9: FAQ */
        .faq-section {
            background: var(--white);
        }

        .faq-list {
            max-width: 800px;
            margin: 36px auto 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px 18px 28px;
            background: var(--gray-50);
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition-fast);
            position: relative;
            font-family: inherit;
            border-radius: var(--radius-sm);
            margin-bottom: 2px;
        }

        .faq-question::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

        .faq-question:hover {
            background: var(--gray-100);
        }

        .faq-question .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--gray-500);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 28px;
            color: var(--gray-600);
            font-size: 0.95rem;
            line-height: 1.7;
            background: var(--white);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 28px;
        }

        /* Section 10: CTA */
        .cta-section {
            background: var(--dark-bg);
            color: var(--white);
            text-align: center;
            padding: 64px 0;
        }

        .cta-section .section-title {
            color: var(--white);
        }

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 28px;
            max-width: 560px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 46px;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            padding: 0 16px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }

        .cta-form .btn-primary {
            height: 46px;
            padding: 0 28px;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-brand {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            margin-right: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-panel {
                max-width: 500px;
            }
            .featured-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .featured-card.featured-large {
                grid-row: auto;
                grid-column: 1 / -1;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-story-block {
                grid-template-columns: 1fr;
            }
            .deep-story-content {
                padding: 28px;
            }
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .highlights-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
            section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-right {
                gap: 6px;
            }
            .nav-search input {
                width: 120px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                min-height: 420px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .hero-panel {
                padding: 20px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .categories-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .highlights-list {
                grid-template-columns: 1fr;
            }
            .highlight-item {
                flex-direction: column;
                text-align: center;
            }
            .highlight-thumb {
                width: 100%;
                height: 140px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .cta-form {
                flex-direction: column;
                padding: 0 20px;
            }
            .cta-form input {
                width: 100%;
            }
            .section-title {
                font-size: 1.45rem;
            }
            section {
                padding: 40px 0;
            }
            .deep-story-content {
                padding: 20px;
            }
            .deep-story-content h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-desc {
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 8px;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
                text-align: center;
            }
            .categories-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .nav-search {
                display: none;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
            .featured-card .card-body h3 {
                font-size: 1rem;
            }
            .deep-story-content h2 {
                font-size: 1.15rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--gray-400);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .nav-cta {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta:active {
            transform: scale(0.98);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* Hero Section - 众筹预热风格 */
        .hero-section {
            background: linear-gradient(160deg, #1A1A1A 0%, #2D2115 40%, #1A1A1A 100%);
            position: relative;
            overflow: hidden;
            padding: 70px 0 80px;
            color: var(--white);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 0, 0.2);
            border: 1px solid rgba(255, 107, 0, 0.4);
            color: #FF8C42;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .hero-section h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: var(--white);
        }

        .hero-section h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: #BBBBBB;
            max-width: 480px;
        }

        .hero-progress-wrapper {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .progress-ring-container {
            position: relative;
            flex-shrink: 0;
        }

        .progress-ring {
            transform: rotate(-90deg);
        }

        .progress-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 8;
        }

        .progress-ring .fg-circle {
            fill: none;
            stroke: var(--primary);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 314.16;
            stroke-dashoffset: 113.1;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-text .progress-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .progress-text .progress-label {
            font-size: 0.75rem;
            color: #AAA;
            margin-top: 2px;
        }

        .progress-info {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .progress-info .progress-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--white);
        }

        .progress-info .progress-detail {
            font-size: 0.9rem;
            color: #AAA;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 14px 30px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            padding: 14px 30px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 107, 0, 0.5);
            transform: translateX(4px);
            box-shadow: 0 4px 24px rgba(255, 107, 0, 0.15);
        }

        .tier-card.featured {
            border-color: var(--primary);
            background: rgba(255, 107, 0, 0.1);
        }

        .tier-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: 12px;
            right: 14px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
        }

        .tier-card .tier-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 8px;
        }

        .tier-card .tier-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--white);
        }

        .tier-card .tier-badge-count {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            background: rgba(255, 107, 0, 0.15);
            padding: 4px 10px;
            border-radius: var(--radius-full);
        }

        .tier-card .tier-desc {
            font-size: 0.9rem;
            color: #BBB;
            line-height: 1.5;
        }

        .tier-card .tier-action {
            display: inline-block;
            margin-top: 10px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }

        .tier-card .tier-action i {
            margin-left: 4px;
            transition: transform var(--transition-fast);
        }

        .tier-card:hover .tier-action i {
            transform: translateX(3px);
        }

        /* Section通用 */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--white);
        }

        .section-light {
            background: var(--white);
        }

        .section-gray {
            background: var(--gray-50);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: inherit;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--gray-500);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: #AAA;
        }

        /* 访谈特色 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 深度访谈系列 */
        .interview-series-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .interview-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }

        .interview-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .interview-card .card-img {
            height: 220px;
            background: var(--gray-200);
            position: relative;
            overflow: hidden;
        }

        .interview-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .interview-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: var(--white);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .interview-card .card-body {
            padding: 20px;
        }

        .interview-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
            line-height: 1.4;
        }

        .interview-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--gray-400);
            margin-bottom: 10px;
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .interview-card .card-body p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .card-link:hover {
            gap: 8px;
        }

        /* 数据统计 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 107, 0, 0.3);
            transform: translateY(-2px);
        }

        .stat-card .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-num .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: #AAA;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: #BBB;
            font-weight: 500;
        }

        /* 访谈流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            padding: 30px 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-smooth);
        }

        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .process-step .step-num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        .process-connector {
            display: none;
        }

        /* 焦点运动员 */
        .spotlight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .spotlight-img {
            height: 420px;
            background: var(--gray-200);
            overflow: hidden;
        }

        .spotlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .spotlight-content {
            padding: 40px 40px 40px 0;
        }

        .spotlight-content .spotlight-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .spotlight-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .spotlight-content .spotlight-meta {
            font-size: 0.9rem;
            color: var(--gray-500);
            margin-bottom: 16px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .spotlight-content p {
            font-size: 0.95rem;
            color: var(--gray-600);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        /* 往期回顾 */
        .review-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .review-item {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--white);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-left: 4px solid transparent;
        }

        .review-item:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--primary);
            transform: translateX(3px);
        }

        .review-date {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 90px;
            flex-shrink: 0;
        }

        .review-info {
            flex: 1;
        }

        .review-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .review-info .review-excerpt {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        .review-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .review-link:hover {
            text-decoration: underline;
        }

        /* 用户评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 12px;
            opacity: 0.6;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--dark);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: all var(--transition-smooth);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: var(--white);
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition-fast);
            border: none;
            outline: none;
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-question .faq-dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            transition: transform var(--transition-smooth);
            color: var(--gray-400);
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #FF6B00 0%, #E05500 50%, #C44A00 100%);
            text-align: center;
            padding: 70px 0;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            padding: 0 18px;
            font-size: 0.95rem;
            background: var(--white);
            color: var(--dark);
        }

        .cta-form input:focus {
            border-color: #FFD600;
            box-shadow: 0 0 0 4px rgba(255, 214, 0, 0.2);
        }

        .btn-cta {
            background: var(--dark);
            color: var(--white);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            white-space: nowrap;
            height: 48px;
        }

        .btn-cta:hover {
            background: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
        }

        .btn-cta:active {
            transform: scale(0.98);
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: #BBB;
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #999;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }

        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .tier-card {
                flex: 1;
                min-width: 200px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .interview-series-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .spotlight-block {
                grid-template-columns: 1fr;
            }
            .spotlight-content {
                padding: 30px;
            }
            .spotlight-img {
                height: 300px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                gap: 0;
                border-top: 1px solid var(--gray-100);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 0;
                border-bottom: 1px solid var(--gray-100);
            }
            .nav-links li a.active::after {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-right {
                flex-direction: column;
            }
            .tier-card {
                min-width: auto;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .interview-series-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .review-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .spotlight-content {
                padding: 20px;
            }
            .spotlight-content h3 {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .progress-ring-container svg {
                width: 80px;
                height: 80px;
            }
            .progress-text .progress-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .hero-progress-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.08);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            color: var(--gray-400);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: var(--white);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
        }

        .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta:active {
            transform: scale(0.98);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        /* Hero - Flash Sale Banner */
        .hero-section {
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 40%, #1a1a1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: var(--white);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.55) 0%, rgba(18, 18, 18, 0.85) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-content {
            flex: 1;
            min-width: 300px;
        }

        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-yellow);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 214, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 214, 0, 0);
            }
        }

        .flash-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: #d32f2f;
            border-radius: 50%;
            animation: blink-dot 1s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.2;
            }
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--white);
            letter-spacing: -0.03em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 520px;
        }

        .countdown-block {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .countdown-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-right: 4px;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 8px 14px;
            text-align: center;
            min-width: 52px;
        }

        .countdown-item .countdown-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-yellow);
            line-height: 1;
            display: block;
        }

        .countdown-item .countdown-unit {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            display: block;
            margin-top: 2px;
        }

        .countdown-sep {
            font-size: 1.4rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--primary);
            color: var(--white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-hero-primary:active {
            transform: scale(0.98);
        }

        .btn-hero-secondary {
            background: transparent;
            color: var(--white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-hero-secondary:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-product-card {
            flex: 0 0 340px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 24px;
            backdrop-filter: blur(10px);
            text-align: center;
            min-width: 280px;
        }

        .hero-product-card .product-img-wrap {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 4/3;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-product-card .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-product-card .product-tag {
            display: inline-block;
            background: var(--accent-green);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 8px;
        }

        .hero-product-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--white);
        }

        .hero-product-card .product-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-yellow);
            margin-bottom: 4px;
        }

        .hero-product-card .product-price .original {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            text-decoration: line-through;
            margin-left: 8px;
            font-weight: 400;
        }

        .hero-product-card .product-stock {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 14px;
        }

        .btn-snatch {
            display: block;
            width: 100%;
            background: var(--primary);
            color: var(--white);
            padding: 12px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            border: none;
            text-align: center;
        }

        .btn-snatch:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--white);
        }

        .section-light {
            background: var(--white);
        }

        .section-gray {
            background: var(--gray-50);
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: inherit;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--gray-500);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 36px;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Capability Grid */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .capability-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
            position: relative;
            overflow: hidden;
        }

        .capability-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .capability-card .card-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .capability-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .capability-card p {
            font-size: 0.95rem;
            color: var(--gray-500);
            line-height: 1.7;
        }

        /* Product Showcase */
        .product-showcase-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .product-showcase-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--gray-100);
        }

        .product-showcase-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .product-showcase-card .ps-img {
            aspect-ratio: 1/1;
            background: var(--gray-100);
            overflow: hidden;
            position: relative;
        }

        .product-showcase-card .ps-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .product-showcase-card:hover .ps-img img {
            transform: scale(1.05);
        }

        .product-showcase-card .ps-body {
            padding: 16px;
        }

        .product-showcase-card .ps-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .product-showcase-card .ps-body .ps-meta {
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .product-showcase-card .ps-body .ps-rating {
            color: var(--accent-yellow);
            font-size: 0.85rem;
            margin-top: 4px;
        }

        /* Deep Content */
        .deep-content-block {
            display: flex;
            gap: 48px;
            align-items: center;
            flex-wrap: wrap;
        }

        .deep-content-block.reverse {
            flex-direction: row-reverse;
        }

        .deep-content-text {
            flex: 1;
            min-width: 300px;
        }

        .deep-content-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .deep-content-text p {
            font-size: 1rem;
            color: var(--gray-500);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-text .key-stat {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .deep-content-text .key-stat .stat-item {
            text-align: center;
        }

        .deep-content-text .key-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }

        .deep-content-text .key-stat .stat-label {
            font-size: 0.85rem;
            color: var(--gray-400);
            margin-top: 4px;
        }

        .deep-content-img {
            flex: 0 0 420px;
            min-width: 280px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .deep-content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-left-color: var(--accent-green);
        }

        .scenario-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.95rem;
            color: var(--gray-500);
            line-height: 1.7;
        }

        /* Case Story */
        .case-story {
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
        }

        .case-story .case-img {
            flex: 0 0 400px;
            min-width: 280px;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        .case-story .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-story .case-body {
            flex: 1;
            padding: 36px;
            min-width: 300px;
        }

        .case-story .case-body .case-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }

        .case-story .case-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .case-story .case-body p {
            color: var(--gray-500);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 10px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--gray-200);
            background: var(--white);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--gray-300);
        }

        .faq-question {
            width: 100%;
            background: var(--gray-50);
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition-fast);
            color: var(--dark);
            font-family: inherit;
            position: relative;
        }

        .faq-question::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            margin-right: 8px;
        }

        .faq-question:hover {
            background: var(--gray-100);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item.open .faq-question {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: var(--white);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 18px 24px 24px 24px;
        }

        .faq-answer p {
            color: var(--gray-500);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* CTA Section */
        .cta-section {
            background: var(--dark-bg);
            color: var(--white);
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            padding: 0 18px;
            font-size: 0.95rem;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }

        .cta-form .btn-submit {
            height: 48px;
            padding: 0 28px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: var(--white);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--white);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            justify-content: center;
            text-align: center;
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .product-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-img {
                flex: 0 0 100%;
                max-width: 500px;
            }
            .deep-content-block {
                gap: 28px;
            }
            .case-story .case-img {
                flex: 0 0 100%;
                max-height: 300px;
            }
            .hero-section .container {
                gap: 32px;
            }
            .hero-product-card {
                flex: 0 0 280px;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-search input {
                width: 150px;
            }
            .nav-search input:focus {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-right .nav-search {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px;
                gap: 4px;
                z-index: 999;
            }
            .nav-links.mobile-open li a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .hero-section .container {
                flex-direction: column;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .countdown-block {
                justify-content: center;
            }
            .hero-product-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 340px;
            }
            .capability-grid {
                grid-template-columns: 1fr;
            }
            .product-showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .deep-content-block {
                flex-direction: column;
            }
            .deep-content-block.reverse {
                flex-direction: column;
            }
            .deep-content-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 100%;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .case-story {
                flex-direction: column;
            }
            .case-story .case-img {
                flex: 0 0 auto;
                width: 100%;
                max-height: 240px;
            }
            .case-story .case-body {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .countdown-item {
                min-width: 40px;
                padding: 6px 10px;
            }
            .countdown-item .countdown-num {
                font-size: 1.2rem;
            }
            .product-showcase-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form .btn-submit {
                width: 100%;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .deep-content-text h3 {
                font-size: 1.3rem;
            }
            .deep-content-text .key-stat {
                gap: 16px;
            }
            .deep-content-text .key-stat .stat-num {
                font-size: 1.6rem;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #FF6B00;
            --primary-hover: #E05500;
            --primary-light: #FFF3E8;
            --dark: #1A1A1A;
            --dark-bg: #121212;
            --white: #FFFFFF;
            --gray-50: #F5F5F5;
            --gray-100: #EEEEEE;
            --gray-200: #E0E0E0;
            --gray-300: #CCCCCC;
            --gray-400: #999999;
            --gray-500: #666666;
            --gray-600: #444444;
            --accent-green: #00C853;
            --accent-yellow: #FFD600;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.18);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 64px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--gray-50);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--white);
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-logo .logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--white);
            border-radius: 50%;
            top: 6px;
            left: 9px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray-600);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 200px;
            height: 38px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--gray-200);
            padding: 0 38px 0 16px;
            font-size: 0.875rem;
            background: var(--gray-50);
            transition: all var(--transition-fast);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--white);
            width: 240px;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gray-400);
            pointer-events: none;
            font-size: 0.9rem;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta:active {
            transform: scale(0.98);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section - 拼团转化版式 */
        .hero-esports {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }

        .hero-esports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 30, 0.7) 0%, rgba(10, 10, 30, 0.85) 100%);
            z-index: 1;
        }

        .hero-esports .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: var(--white);
        }

        .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--white);
        }

        .hero-content h1 .highlight {
            color: var(--accent-yellow);
        }

        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-content .hero-stats-row {
            display: flex;
            gap: 20px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }

        .hero-stat-item .stat-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(0, 200, 83, 0);
            }
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 107, 0, 0.35);
        }

        .btn-hero-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 107, 0, 0.45);
        }

        .btn-hero-primary:active {
            transform: scale(0.98);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: var(--white);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .btn-hero-secondary:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-hero-secondary:active {
            transform: scale(0.98);
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            color: var(--white);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .hero-panel .panel-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-yellow);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-panel .panel-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
        }

        .hero-panel .progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }

        .hero-panel .progress-info strong {
            color: var(--accent-yellow);
            font-size: 1.1rem;
        }

        .hero-panel .progress-bar-wrap {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .hero-panel .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent-yellow));
            border-radius: 20px;
            width: 64%;
            transition: width 0.6s ease;
            position: relative;
        }

        .hero-panel .progress-bar-fill::after {
            content: '64%';
            position: absolute;
            right: -8px;
            top: -24px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-yellow);
        }

        .hero-panel .panel-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
        }

        .hero-panel .panel-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-panel .panel-btns {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-panel .panel-btns button {
            flex: 1;
            min-width: 100px;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-create-team {
            background: var(--primary);
            color: var(--white);
        }

        .btn-create-team:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
        }

        .btn-join-team {
            background: transparent;
            color: var(--white);
            border: 2px solid var(--accent-yellow);
        }

        .btn-join-team:hover {
            background: var(--accent-yellow);
            color: var(--dark);
            transform: translateY(-2px);
        }

        /* Section通用 */
        .section {
            padding: 64px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--white);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: inherit;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--gray-500);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        /* 热门赛事卡片 */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tournament-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .tournament-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .tournament-card .card-img {
            height: 160px;
            background: var(--gray-200);
            position: relative;
            overflow: hidden;
        }

        .tournament-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .tournament-card .card-img .live-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: #e53935;
            color: var(--white);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse-live 2s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        .tournament-card .card-body {
            padding: 16px;
        }

        .tournament-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--dark);
        }

        .tournament-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--gray-500);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 文章列表 */
        .article-list-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 36px;
            align-items: start;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--gray-200);
            transition: background var(--transition-fast);
            align-items: flex-start;
        }

        .article-item:hover {
            background: var(--primary-light);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-md);
        }

        .article-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            line-height: 1.3;
            padding-top: 2px;
        }

        .article-date .date-day {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1;
        }

        .article-date .date-month {
            display: block;
            font-size: 0.75rem;
            text-transform: uppercase;
            color: var(--gray-500);
            font-weight: 500;
        }

        .article-info {
            flex: 1;
            min-width: 0;
        }

        .article-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--dark);
        }

        .article-info h3 a {
            color: var(--dark);
            transition: color var(--transition-fast);
        }

        .article-info h3 a:hover {
            color: var(--primary);
        }

        .article-info .article-summary {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-info .read-more {
            display: inline-block;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            border-bottom: 1px solid transparent;
        }

        .article-info .read-more:hover {
            border-bottom-color: var(--primary);
            padding-right: 4px;
        }

        .article-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 90px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--gray-200);
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 侧边栏 */
        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            margin-bottom: 20px;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            color: var(--dark);
        }

        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-card ul li a {
            display: block;
            font-size: 0.9rem;
            color: var(--gray-600);
            padding: 6px 0;
            transition: color var(--transition-fast);
            border-bottom: 1px dashed var(--gray-200);
        }

        .sidebar-card ul li a:hover {
            color: var(--primary);
        }

        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-card .tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .sidebar-card .tag:hover {
            background: var(--primary);
            color: var(--white);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 36px 0 20px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            background: var(--white);
            color: var(--gray-600);
            border: 1px solid var(--gray-200);
        }

        .pagination a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .pagination a.active-page {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .page-dots {
            border: none;
            background: transparent;
            color: var(--gray-400);
            width: auto;
            padding: 0 4px;
        }

        /* 深度内容区 */
        .deep-content-block {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            margin-bottom: 28px;
        }

        .deep-content-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
            line-height: 1.4;
        }

        .deep-content-block p {
            font-size: 1rem;
            color: var(--gray-600);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-content-block .highlight-box {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 20px 0;
            font-weight: 500;
            color: var(--dark);
        }

        /* 数据统计区 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-yellow);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            background: var(--gray-50);
            transition: background var(--transition-fast);
            gap: 12px;
            user-select: none;
        }

        .faq-question:hover {
            background: var(--gray-100);
        }

        .faq-question .faq-dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--gray-400);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--gray-600);
            line-height: 1.8;
            background: var(--white);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 24px 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 70px 0;
            text-align: center;
            color: var(--white);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 10, 30, 0.8);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 1rem;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.2);
        }

        .cta-form button {
            padding: 14px 28px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
        }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-esports .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .tournament-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-list-section {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
                top: auto;
                order: -1;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .nav-search input {
                width: 150px;
            }

            .nav-search input:focus {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
                border-top: 1px solid var(--gray-200);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li a {
                padding: 10px 16px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .menu-toggle {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .btn-nav-cta {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .hero-esports {
                min-height: 400px;
                padding: 40px 0;
            }

            .hero-content h1 {
                font-size: 1.8rem;
            }

            .hero-panel {
                padding: 24px 18px;
            }

            .tournament-grid {
                grid-template-columns: 1fr;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .article-item {
                flex-direction: column;
                gap: 10px;
            }

            .article-thumb {
                width: 100%;
                height: 160px;
            }

            .article-date {
                width: auto;
                display: flex;
                gap: 8px;
                align-items: baseline;
            }

            .article-date .date-day {
                font-size: 1.1rem;
            }

            .deep-content-block {
                padding: 24px 18px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .hero-cta-row {
                flex-direction: column;
            }

            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-panel .panel-btns {
                flex-direction: column;
            }

            .hero-panel .panel-btns button {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }

            .hero-content .hero-desc {
                font-size: 0.95rem;
            }

            .stats-row {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .pagination a,
            .pagination span {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input,
            .cta-form button {
                width: 100%;
                border-radius: var(--radius-full);
            }

            .container {
                padding: 0 16px;
            }

            .hero-esports .container {
                padding: 0 16px;
            }
        }