/* roulang page: index */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-menu .nav-cta {
            font-size: 1.1rem !important;
            padding: 14px 28px !important;
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: var(--nav-height);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.55) 0%, rgba(11, 11, 11, 0.75) 50%, rgba(11, 11, 11, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 40px 20px;
        }

        .hero-report-cover {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-report-cover::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
        }

        .hero-report-cover .report-badge {
            display: inline-block;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-report-cover .report-title {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .hero-report-cover .report-subtitle {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 24px;
        }

        .hero-report-cover .report-cover-img {
            width: 100%;
            aspect-ratio: 16/9;
            background: #1A1A1A;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .hero-report-cover .report-cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-text h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }

        .hero-text h1 .accent {
            color: var(--accent);
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            border: 2px solid var(--accent);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.2);
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

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

        .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin: 0 0 10px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        /* 卡片 */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1A1A1A;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .card-body {
            padding: 18px;
        }

        .card-body .card-date {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.6;
        }

        .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
        }

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

        .card-link i {
            font-size: 0.7rem;
        }

        /* 合集目录 */
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .catalog-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .catalog-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .catalog-item .catalog-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--accent);
            transition: all var(--transition-base);
        }

        .catalog-item:hover .catalog-icon {
            background: rgba(200, 255, 0, 0.2);
            transform: scale(1.08);
        }

        .catalog-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 6px;
        }

        .catalog-item .catalog-count {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        /* 排行列表 */
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }

        .ranking-table th,
        .ranking-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }

        .ranking-table th {
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: rgba(255, 255, 255, 0.02);
        }

        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }

        .ranking-table tbody tr:hover {
            background: rgba(200, 255, 0, 0.03);
        }

        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
        }

        .rank-badge.top {
            background: var(--accent);
            color: #000;
        }

        .rank-badge.hot {
            background: #FF4D00;
            color: #fff;
        }

        .trend-up {
            color: #00E676;
            font-weight: 600;
        }

        .trend-stable {
            color: var(--text-secondary);
        }

        /* 热播推荐 */
        .hot-rec-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 16px;
        }

        .hot-rec-main {
            grid-row: span 2;
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
        }

        .hot-rec-main:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
        }

        .hot-rec-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/11;
        }

        .hot-rec-main .hot-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
        }

        .hot-rec-main .hot-tag {
            display: inline-block;
            background: #FF4D00;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 3px;
            margin-bottom: 8px;
        }

        .hot-rec-main h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0;
            color: #fff;
        }

        .hot-rec-small {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px;
            background: var(--card-bg);
        }

        .hot-rec-small:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .hot-rec-small .hot-thumb {
            width: 90px;
            height: 60px;
            border-radius: 4px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .hot-rec-small h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.3;
        }

        .hot-rec-small .hot-meta {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        /* 竖屏种草 */
        .vertical-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

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

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

        .vertical-card {
            flex: 0 0 200px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .vertical-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .vertical-card .v-img {
            width: 100%;
            aspect-ratio: 3/4;
            overflow: hidden;
            background: #1A1A1A;
        }

        .vertical-card .v-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .vertical-card:hover .v-img img {
            transform: scale(1.05);
        }

        .vertical-card .v-body {
            padding: 14px 12px;
        }

        .vertical-card .v-body h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.3;
        }

        .vertical-card .v-body .v-cta {
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 600;
        }

        /* 嘉宾亮点 */
        .guest-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

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

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

        .guest-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 22px;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .guest-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .guest-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #1A1A1A;
            margin: 0 auto 14px;
            overflow: hidden;
            border: 2px solid var(--border);
            transition: border-color var(--transition-base);
        }

        .guest-card:hover .guest-avatar {
            border-color: var(--accent);
        }

        .guest-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .guest-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 4px;
        }

        .guest-card .guest-role {
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .guest-card .guest-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* 深度内容 */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content.reverse {
            direction: rtl;
        }

        .deep-content.reverse>* {
            direction: ltr;
        }

        .deep-content .deep-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            aspect-ratio: 16/10;
        }

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

        .deep-content .deep-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .deep-content .deep-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .deep-content .deep-text .deep-meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        /* 使用指南 */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .guide-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .guide-item .guide-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(200, 255, 0, 0.15);
            line-height: 1;
            margin-bottom: 8px;
        }

        .guide-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .guide-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* 收藏分享/裂变 */
        .share-referral {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }

        .referral-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
        }

        .referral-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .referral-card .reward-text {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            margin: 10px 0;
        }

        .progress-bar-wrap {
            background: #1A1A1A;
            border-radius: 10px;
            height: 10px;
            margin: 14px 0;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 10px;
            transition: width 0.5s ease;
            width: 65%;
        }

        .leaderboard-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .leaderboard-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }

        .leaderboard-list li .lb-rank {
            font-weight: 700;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .leaderboard-list li .lb-rank.gold {
            color: #FFD700;
        }

        .leaderboard-list li .lb-rank.silver {
            color: #C0C0C0;
        }

        .leaderboard-list li .lb-rank.bronze {
            color: #CD7F32;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-bg);
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--accent);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 240px;
            padding: 14px 18px;
            background: #1A1A1A;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 0.95rem;
        }

        .cta-form input::placeholder {
            color: #666;
        }

        /* 页脚 */
        .site-footer {
            background: #080808;
            border-top: 1px solid var(--border);
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text);
        }

        .footer-col p,
        .footer-col a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: block;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-base);
            border: 1px solid var(--border);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-report-cover {
                max-width: 450px;
                margin: 0 auto;
            }
            .catalog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-rec-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-rec-main {
                grid-column: span 2;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content.reverse {
                direction: ltr;
            }
            .share-referral {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .catalog-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hot-rec-grid {
                grid-template-columns: 1fr;
            }
            .hot-rec-main {
                grid-column: span 1;
                grid-row: span 1;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .hero-content {
                padding: 20px 16px;
            }
            .hero-report-cover {
                padding: 24px 16px;
            }
            .hero-report-cover .report-title {
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
            .vertical-card {
                flex: 0 0 150px;
            }
            .guest-card {
                flex: 0 0 220px;
            }
        }

        @media (max-width: 520px) {
            .catalog-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-align: center;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }

        .mobile-menu .nav-cta-mobile {
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 14px 28px !important;
            border-radius: var(--radius-sm) !important;
            margin-top: 10px;
        }

        .mobile-menu .nav-cta-mobile:hover {
            background: var(--accent-hover) !important;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--accent);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: scale(0.97);
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #1a1a1a;
        }

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

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .card-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.8);
            color: #fff;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            z-index: 2;
            font-weight: 500;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.6;
            max-width: 600px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .accent-text {
            color: var(--accent);
        }

        .divider {
            height: 1px;
            background: var(--border);
            margin: 0;
            border: none;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: color var(--transition-base);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-base);
            color: var(--text-secondary);
        }

        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #000;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .site-footer {
            background: #0A0A0A;
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border: 1px solid var(--border);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        .footer-bottom-links span {
            color: #555;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .highlight-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            transition: all var(--transition-base);
        }

        .highlight-box:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .highlight-box .highlight-icon {
            width: 48px;
            height: 48px;
            background: rgba(200, 255, 0, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
            }
            .nav-links .nav-cta.desktop {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .highlight-box {
                padding: 20px 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-align: center;
        }

        .mobile-menu a:hover {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            border: 1.5px solid var(--accent);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.6;
            max-width: 700px;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            color: var(--text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: none;
            cursor: pointer;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--accent);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 18px;
        }

        .site-footer {
            background: #080808;
            border-top: 1px solid var(--border);
            padding: 50px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            color: var(--text);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
            margin: 0 0 12px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.35rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .card {
                padding: 18px;
            }
        }

        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.55) 0%, rgba(11, 11, 11, 0.78) 60%, #0B0B0B 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding-top: var(--nav-height);
            margin-top: 0;
        }

        .hero-banner .hero-content {
            width: 100%;
            padding: 40px 0 50px;
            position: relative;
            z-index: 2;
        }

        .data-stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .data-stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .data-stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .ranking-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--card-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            margin-bottom: 8px;
        }

        .ranking-row:hover {
            border-color: var(--accent);
            background: #252525;
        }

        .ranking-row .rank-num {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }

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

        .ranking-row .rank-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
        }

        .ranking-row .rank-detail {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .ranking-row .rank-value {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent);
            flex-shrink: 0;
            text-align: right;
        }

        .tag-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(200, 255, 0, 0.12);
            color: var(--accent);
            border: 1px solid rgba(200, 255, 0, 0.25);
            letter-spacing: 0.3px;
        }

        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px 0 20px;
        }

        .img-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-md);
            background: var(--card-bg);
        }

        .overlay-dark {
            position: relative;
        }

        .overlay-dark::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 11, 11, 0.85) 100%);
            border-radius: var(--radius-md);
            pointer-events: none;
        }

/* roulang page: category2 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.3rem;
            color: var(--text);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }

        .mobile-menu .nav-cta {
            margin-top: 10px;
            font-size: 1.1rem !important;
            padding: 14px 28px !important;
        }

        .card-hover {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(200, 255, 0, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 11px 23px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent);
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
        }

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

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            color: var(--text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-base);
            color: var(--text-secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            padding: 0 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px 0;
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #000;
            transform: rotate(45deg);
        }

        .site-footer {
            background: #080808;
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--text);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0 0 12px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .nav-links .desktop {
                display: none;
            }
            .nav-cta.desktop {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none !important;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.35rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
        }

        .bento-hero {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
            min-height: 520px;
        }

        .bento-main {
            grid-row: 1 / 3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 40px;
            min-height: 440px;
        }

        .bento-main::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.35) 50%, rgba(0, 0, 0, 0.15) 100%);
            z-index: 1;
        }

        .bento-main-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
        }

        .bento-sub {
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--border);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .bento-sub:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .bento-sub .bento-sub-img {
            width: 100%;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            margin-bottom: 12px;
        }

        .bento-cta-strip {
            grid-column: 1 / -1;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .bento-hero {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 12px;
                min-height: auto;
            }
            .bento-main {
                grid-row: auto;
                min-height: 320px;
                padding: 24px;
            }
            .bento-sub {
                min-height: 100px;
            }
            .bento-cta-strip {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --accent-orange: #FF4D00;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --shadow-accent: 0 6px 20px rgba(200, 255, 0, 0.25);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            z-index: 60;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            padding: 10px 20px;
            transition: color var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--accent);
        }

        /* 板块间距 */
        .section-py {
            padding: 80px 0;
        }

        .section-py-sm {
            padding: 50px 0;
        }

        .section-py-lg {
            padding: 100px 0;
        }

        /* Hero */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
            margin-top: var(--nav-height);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.7) 0%, rgba(11, 11, 11, 0.85) 60%, rgba(11, 11, 11, 0.95) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 20px;
            width: 100%;
        }

        .page-hero-badge {
            display: inline-block;
            background: rgba(200, 255, 0, 0.15);
            border: 1px solid rgba(200, 255, 0, 0.3);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        /* 卡片 */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            overflow: hidden;
        }

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

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

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

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

        .card-body {
            padding: 20px;
        }

        .card-tag {
            display: inline-block;
            background: rgba(200, 255, 0, 0.1);
            color: var(--accent);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            border: 1px solid var(--accent);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.15);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
        }

        .btn-text:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        .btn-text i {
            transition: transform var(--transition-fast);
        }

        .btn-text:hover i {
            transform: translateX(3px);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--card-bg);
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: none;
            color: var(--text);
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent);
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #000;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* 数据条 */
        .data-bar-wrap {
            background: var(--border);
            border-radius: 4px;
            height: 8px;
            overflow: hidden;
            margin-top: 6px;
        }

        .data-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 4px;
            transition: width 1s ease;
        }

        /* 流程步骤 */
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #000;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-line {
            width: 2px;
            background: var(--border);
            flex-grow: 1;
            min-height: 30px;
            margin: 0 auto;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 14px 18px;
            background: #1A1A1A;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 0.95rem;
            transition: border-color var(--transition-base);
            box-sizing: border-box;
        }

        .form-input:focus {
            border-color: var(--accent);
        }

        /* 页脚 */
        .site-footer {
            background: #080808;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-col p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1rem;
            transition: all var(--transition-base);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .page-hero {
                min-height: 340px;
            }
            .section-py {
                padding: 50px 0;
            }
            .section-py-lg {
                padding: 60px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .page-hero {
                min-height: 280px;
            }
            .page-hero-content {
                padding: 40px 20px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section-py {
                padding: 40px 0;
            }
            .section-py-lg {
                padding: 50px 0;
            }
            .section-py-sm {
                padding: 30px 0;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                min-height: 240px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .card-body {
                padding: 14px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
        }

        /* 高亮数据条 */
        .highlight-strip {
            background: linear-gradient(90deg, rgba(200, 255, 0, 0.08) 0%, rgba(200, 255, 0, 0.02) 100%);
            border-left: 3px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        /* 双栏图文 */
        .dual-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .dual-col.reverse {
            direction: rtl;
        }

        .dual-col.reverse>* {
            direction: ltr;
        }

        @media (max-width: 768px) {
            .dual-col {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dual-col.reverse {
                direction: ltr;
            }
        }

        /* 非对称网格 */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 30px;
        }

        @media (max-width: 768px) {
            .asymmetric-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 信息列表 */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .info-list li::before {
            content: '';
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
        }

        .info-list li:last-child {
            border-bottom: none;
        }

/* roulang page: category4 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }
        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }
        .mobile-menu .mobile-cta {
            background: var(--accent);
            color: #000 !important;
            font-weight: 700;
            padding: 14px 28px !important;
            border-radius: var(--radius-sm) !important;
            margin-top: 10px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            margin-top: 0;
            padding-top: var(--nav-height);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.75) 0%, rgba(11, 11, 11, 0.55) 40%, rgba(11, 11, 11, 0.8) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 255, 0, 0.15);
            border: 1px solid rgba(200, 255, 0, 0.3);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-title .accent-text {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 32px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            border: 1px solid var(--accent);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(200, 255, 0, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }
        .hero-preview-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-base);
        }
        .hero-preview-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }
        .hero-preview-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .hero-preview-body {
            padding: 20px 24px;
        }
        .hero-preview-body .tag {
            display: inline-block;
            background: rgba(200, 255, 0, 0.12);
            color: var(--accent);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .hero-preview-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .hero-preview-body .meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* 板块通用 */
        .section {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 50px;
        }
        .section-label {
            display: inline-block;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        /* 卡片 */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(200, 255, 0, 0.1);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 14px;
        }
        .card-meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 9px;
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* 专家卡片 */
        .expert-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .expert-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 16px;
            border: 3px solid var(--border);
            transition: border-color var(--transition-base);
        }
        .expert-card:hover .expert-avatar {
            border-color: var(--accent);
        }
        .expert-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 4px;
        }
        .expert-role {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .expert-bio {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 双栏图文 */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .split-block.reverse {
            direction: rtl;
        }
        .split-block.reverse>* {
            direction: ltr;
        }
        .split-image {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            height: 380px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .split-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 16px;
            line-height: 1.3;
        }
        .split-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 8px;
            font-size: 1rem;
        }
        .split-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .split-text .highlight-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .split-text .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 13px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* 统计数字 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item {
            padding: 20px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 流程步骤 */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 30px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .step-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(200, 255, 0, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin: 0 0 16px;
            position: relative;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            background: var(--primary);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.1);
        }
        .cta-form button {
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            cursor: pointer;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .cta-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }
        .cta-form button:active {
            transform: scale(0.97);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .faq-item summary {
            padding: 20px 0;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-base);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--card-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
        }
        .faq-item[open] .faq-icon {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 0 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text);
        }
        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            background: var(--card-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
        }
        .footer-social a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-secondary);
            gap: 10px;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-preview-card {
                max-width: 500px;
            }
            .split-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .split-image {
                height: 280px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 70vh;
                background-attachment: scroll;
            }
            .hero-preview-card {
                display: none;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .split-image {
                height: 220px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .card-img {
                height: 160px;
            }
            .expert-avatar {
                width: 64px;
                height: 64px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .cta-form button {
                width: 100%;
            }
            .split-text h3 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0B0B0B;
            --secondary: #1A1A1A;
            --card-bg: #222222;
            --text: #FFFFFF;
            --text-secondary: #B0B0B0;
            --accent: #C8FF00;
            --accent-hover: #D9FF33;
            --accent-glow: rgba(200, 255, 0, 0.25);
            --border: #333333;
            --border-light: #3A3A3A;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.7);
            --shadow-xl: 0 12px 35px rgba(0, 0, 0, 0.8);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease-in-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 72px;
        }

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

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-base);
        }

        input:focus,
        textarea:focus {
            border-color: var(--accent) !important;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航 */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: var(--nav-height);
            background: rgba(11, 11, 11, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base);
        }

        .site-nav.scrolled {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #000;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #000 !important;
            font-weight: 700 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-sm) !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-base) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(200, 255, 0, 0.3);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            z-index: 60;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 11, 11, 0.97);
            z-index: 55;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(200, 255, 0, 0.08);
        }

        .mobile-menu .nav-cta {
            font-size: 1.1rem !important;
            padding: 14px 28px !important;
            margin-top: 10px;
        }

        .mobile-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 61;
            padding: 10px;
        }

        /* 板块通用 */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 650px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            padding: 13px 27px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            border: 1.5px solid var(--accent);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.97);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* 卡片 */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            overflow: hidden;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px 24px;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(200, 255, 0, 0.1);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.5;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .card-meta {
            font-size: 0.8rem;
            color: #888;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-base);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* Hero分类页 */
        .hero-category {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--primary);
        }

        .hero-category-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-category-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            filter: brightness(0.5);
        }

        .hero-category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(11, 11, 11, 0.55) 0%, rgba(11, 11, 11, 0.85) 70%, rgba(11, 11, 11, 1) 100%);
            z-index: 1;
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .hero-category-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .hero-category-content .hero-sub {
            font-size: 1.15rem;
            color: #ccc;
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* 步骤 */
        .step-item {
            position: relative;
            padding-left: 48px;
            padding-bottom: 32px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-number {
            position: absolute;
            left: 0;
            top: 2px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent);
            color: #000;
            font-weight: 800;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 40px;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--text);
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 用户卡片 */
        .user-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .user-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .user-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--secondary);
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            border: 2px solid var(--border);
        }

        .user-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
        }

        .user-role {
            font-size: 0.8rem;
            color: var(--accent);
            margin-top: 2px;
        }

        .user-bio {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 8px;
            line-height: 1.6;
        }

        /* 页脚 */
        .site-footer {
            background: #0A0A0A;
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border: 1px solid var(--border);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #000;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: #777;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom-links a {
            color: #999;
            transition: color var(--transition-base);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-cta.desktop {
                display: none;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-category {
                min-height: 40vh;
            }
            .hero-category-content h1 {
                font-size: 2.2rem;
            }
            .hero-category-content .hero-sub {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-category {
                min-height: 35vh;
            }
            .hero-category-content h1 {
                font-size: 1.7rem;
            }
            .hero-category-content .hero-sub {
                font-size: 0.9rem;
                margin-bottom: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .card-body {
                padding: 16px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-category-content h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .step-item {
                padding-left: 38px;
            }
            .step-number {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .step-item::before {
                left: 13px;
            }
        }

        /* 动效补充 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }