/* roulang page: index */
:root {
            --color-dark-green: #0D1B1E;
            --color-neon-cyan: #00F0A8;
            --color-neon-cyan-dark: #00D18E;
            --color-card-bg: #1A2628;
            --color-card-hover: #1F2E30;
            --color-border-subtle: #2D3A3C;
            --color-text-body: #D1D5DB;
            --color-text-muted: #9CA3AF;
            --color-warm-orange: #FF6B35;
            --color-white: #FFFFFF;
            --color-hero-overlay: #0D1B1Ecc;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 16px rgba(0,0,0,0.3);
            --shadow-card-hover: 0 8px 24px rgba(0,240,168,0.15);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --spacing-section: 100px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 48px;
        }

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

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

        body {
            font-family: 'Inter', 'SF Pro Text', 'PingFang SC', 'Microsoft YaHei', 'system-ui', sans-serif;
            font-weight: 400;
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-body);
            background-color: var(--color-dark-green);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-neon-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-neon-cyan);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        @media (max-width: 1024px) {
            section {
                padding-top: var(--spacing-section-tablet);
                padding-bottom: var(--spacing-section-tablet);
            }
        }
        @media (max-width: 767px) {
            section {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 27, 30, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-subtle);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .header-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-neon-cyan);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-dark-green);
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--color-neon-cyan);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-body);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-neon-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-neon-cyan);
            border-radius: 1px;
        }

        /* Mega Menu */
        .mega-menu-trigger {
            position: relative;
        }
        .mega-menu-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-card-bg);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            min-width: 620px;
            display: none;
            box-shadow: 0 20px 48px rgba(0,0,0,0.5);
            z-index: 999;
            gap: 32px;
        }
        .mega-menu-trigger:hover .mega-menu-panel {
            display: flex;
        }
        .mega-menu-panel .mega-left {
            flex: 1;
            min-width: 200px;
        }
        .mega-menu-panel .mega-right {
            flex: 1;
            min-width: 280px;
        }
        .mega-menu-panel .mega-label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-muted);
            margin-bottom: 14px;
            font-weight: 600;
        }
        .mega-menu-panel .mega-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mega-menu-panel .mega-tag {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(0,240,168,0.08);
            border: 1px solid rgba(0,240,168,0.2);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-text-body);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .mega-menu-panel .mega-tag:hover {
            background: rgba(0,240,168,0.18);
            border-color: var(--color-neon-cyan);
            color: var(--color-neon-cyan);
        }
        .mega-menu-panel .mega-hot-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-subtle);
            transition: all var(--transition-fast);
        }
        .mega-menu-panel .mega-hot-item:last-child {
            border-bottom: none;
        }
        .mega-menu-panel .mega-hot-item:hover {
            color: var(--color-neon-cyan);
        }
        .mega-menu-panel .mega-hot-item .hot-thumb {
            width: 48px;
            height: 48px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-border-subtle);
        }
        .mega-menu-panel .mega-hot-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .mega-menu-panel .mega-hot-item .hot-title {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-white);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mega-menu-panel .mega-hot-item .hot-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-white);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(13, 27, 30, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 998;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 28px;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay a {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-white);
            transition: color var(--transition-fast);
        }
        .mobile-nav-overlay a:hover {
            color: var(--color-neon-cyan);
        }
        .mobile-nav-overlay .mobile-sub-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 8px;
        }
        .mobile-nav-overlay .mobile-sub-tags a {
            font-size: 0.9rem;
            font-weight: 400;
            padding: 6px 16px;
            background: rgba(0,240,168,0.08);
            border-radius: 20px;
            color: var(--color-text-body);
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mega-menu-panel {
                display: none !important;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 40px;
            padding-bottom: 60px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 27, 30, 0.82);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--color-text-body);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .hero-value-item .value-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0,240,168,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-neon-cyan);
            flex-shrink: 0;
            font-size: 1rem;
        }
        .hero-value-item .value-text strong {
            display: block;
            color: var(--color-white);
            font-size: 0.9rem;
            margin-bottom: 2px;
        }
        .hero-center {
            background: var(--color-card-bg);
            border-radius: 16px;
            border: 1px solid var(--color-border-subtle);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        }
        .hero-mock-header {
            background: #1F2E30;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--color-border-subtle);
        }
        .hero-mock-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #3D4F52;
        }
        .hero-mock-dot:nth-child(1) { background: #FF5F57; }
        .hero-mock-dot:nth-child(2) { background: #FFBD2E; }
        .hero-mock-dot:nth-child(3) { background: #28CA41; }
        .hero-mock-body {
            padding: 20px;
        }
        .hero-mock-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .hero-mock-tag {
            padding: 5px 12px;
            background: rgba(0,240,168,0.1);
            border-radius: 14px;
            font-size: 0.75rem;
            color: var(--color-neon-cyan);
            font-weight: 500;
        }
        .hero-mock-post {
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-subtle);
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .hero-mock-post:last-child {
            border-bottom: none;
        }
        .hero-mock-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-border-subtle);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }
        .hero-mock-post-content {
            flex: 1;
            min-width: 0;
        }
        .hero-mock-post-title {
            font-size: 0.85rem;
            color: var(--color-white);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hero-mock-post-meta {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            margin-top: 3px;
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
        }
        .hero-right .hero-main-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }
        .hero-right .hero-main-title .highlight {
            color: var(--color-neon-cyan);
        }
        .hero-right .hero-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .hero-right .hero-data-badges {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-right .hero-data-badge {
            text-align: center;
        }
        .hero-right .hero-data-badge .badge-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-neon-cyan);
            line-height: 1;
        }
        .hero-right .hero-data-badge .badge-label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            background: var(--color-neon-cyan);
            color: var(--color-dark-green);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            border: 2px solid transparent;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-neon-cyan-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0,240,168,0.25);
            color: var(--color-dark-green);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            background: transparent;
            color: var(--color-neon-cyan);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-neon-cyan);
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(0,240,168,0.1);
            transform: translateY(-1px);
            color: var(--color-neon-cyan);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        @media (max-width: 1023px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-left {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
                order: 2;
            }
            .hero-center {
                order: 1;
                max-width: 500px;
                margin: 0 auto;
                width: 100%;
            }
            .hero-right {
                order: 0;
                text-align: center;
                align-items: center;
            }
            .hero-right .hero-main-title {
                font-size: 1.8rem;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-right .hero-data-badges {
                justify-content: center;
            }
            .hero-section {
                min-height: auto;
                padding-top: 30px;
                padding-bottom: 40px;
            }
        }
        @media (max-width: 767px) {
            .hero-right .hero-main-title {
                font-size: 1.5rem;
            }
            .hero-right .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-value-item {
                font-size: 0.85rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }

        /* ===== 板块通用标题 ===== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0,240,168,0.3);
        }
        .category-card .cat-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--color-border-subtle);
        }
        .category-card .cat-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .cat-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 6px;
        }
        .category-card .cat-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
        }
        .category-card .cat-count {
            font-size: 0.8rem;
            color: var(--color-neon-cyan);
            margin-top: 10px;
            font-weight: 500;
        }
        @media (max-width: 1023px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资源列表 / 爆款清单 ===== */
        .hot-list-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .hot-list {
            list-style: none;
            counter-reset: hot-counter;
        }
        .hot-list li {
            counter-increment: hot-counter;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hot-list li:hover {
            background: var(--color-card-hover);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: 8px;
            border-bottom-color: transparent;
        }
        .hot-list .hot-rank {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-neon-cyan);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .hot-list .hot-rank.special {
            color: var(--color-warm-orange);
        }
        .hot-list .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-list .hot-info .hot-title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-white);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-list .hot-info .hot-snippet {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 3px;
            line-height: 1.4;
        }
        .hot-list .hot-badge {
            font-size: 0.7rem;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(255,107,53,0.15);
            color: var(--color-warm-orange);
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .hot-side-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hot-side-card .side-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: 8px;
            background: var(--color-border-subtle);
        }
        .hot-side-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-white);
        }
        .hot-side-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        @media (max-width: 767px) {
            .hot-list-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }
        .news-list {
            list-style: none;
        }
        .news-list li {
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-list li:hover {
            color: var(--color-neon-cyan);
        }
        .news-list .news-title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-white);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .news-list li:hover .news-title {
            color: var(--color-neon-cyan);
        }
        .news-list .news-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            display: flex;
            gap: 16px;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-sidebar .side-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            padding: 16px;
            display: flex;
            gap: 12px;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .news-sidebar .side-card:hover {
            border-color: rgba(0,240,168,0.3);
            box-shadow: var(--shadow-card-hover);
        }
        .news-sidebar .side-card .side-thumb {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-border-subtle);
        }
        .news-sidebar .side-card .side-info {
            flex: 1;
            min-width: 0;
        }
        .news-sidebar .side-card .side-info h4 {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-white);
            line-height: 1.4;
        }
        .news-sidebar .side-card .side-info span {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 4px;
        }
        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 焦点主题 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--color-neon-cyan);
            border-radius: 0 0 4px 0;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0,240,168,0.3);
        }
        .topic-card:hover::before {
            opacity: 1;
        }
        .topic-card .topic-icon {
            font-size: 1.8rem;
            color: var(--color-neon-cyan);
            margin-bottom: 14px;
        }
        .topic-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .topic-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        .topic-card .topic-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .topic-card .topic-tag {
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 10px;
            background: rgba(0,240,168,0.08);
            color: var(--color-neon-cyan);
        }
        @media (max-width: 1023px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 热播推荐 ===== */
        .hot-recommend-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 20px;
        }
        .hot-recommend-main {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .hot-recommend-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .hot-recommend-main .main-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--color-border-subtle);
        }
        .hot-recommend-main .main-body {
            padding: 20px;
        }
        .hot-recommend-main .main-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-white);
        }
        .hot-recommend-main .main-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            line-height: 1.5;
        }
        .hot-recommend-main .hot-label {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 14px;
            background: var(--color-warm-orange);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 14px;
            z-index: 3;
        }
        .hot-recommend-sub {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hot-recommend-sub .sub-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-recommend-sub .sub-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .hot-recommend-sub .sub-card .sub-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--color-border-subtle);
        }
        .hot-recommend-sub .sub-card .sub-body {
            padding: 14px;
            flex: 1;
        }
        .hot-recommend-sub .sub-card .sub-body h4 {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-white);
        }
        .hot-recommend-sub .sub-card .sub-body span {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 4px;
        }
        @media (max-width: 1023px) {
            .hot-recommend-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-recommend-main {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .hot-recommend-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 社会认同 ===== */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .social-proof-item {
            padding: 32px 20px;
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            transition: all var(--transition-fast);
        }
        .social-proof-item:hover {
            border-color: rgba(0,240,168,0.3);
        }
        .social-proof-item .sp-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-neon-cyan);
            line-height: 1;
            letter-spacing: -1px;
        }
        .social-proof-item .sp-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }
        .social-proof-item .sp-sub {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            opacity: 0.7;
        }
        .trust-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 32px;
        }
        .trust-tag {
            padding: 8px 18px;
            background: rgba(0,240,168,0.06);
            border: 1px solid rgba(0,240,168,0.15);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--color-text-body);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .trust-tag i {
            color: var(--color-neon-cyan);
            font-size: 0.7rem;
        }
        @media (max-width: 1023px) {
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .social-proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .social-proof-item .sp-number {
                font-size: 2rem;
            }
        }

        /* ===== 媒体精选 ===== */
        .media-scroll-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border-subtle) transparent;
            padding-bottom: 12px;
        }
        .media-scroll-wrap::-webkit-scrollbar {
            height: 4px;
        }
        .media-scroll-wrap::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll-wrap::-webkit-scrollbar-thumb {
            background: var(--color-border-subtle);
            border-radius: 4px;
        }
        .media-scroll-inner {
            display: flex;
            gap: 20px;
            min-width: max-content;
        }
        .media-card {
            width: 280px;
            flex-shrink: 0;
            background: var(--color-card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-subtle);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .media-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0,240,168,0.3);
        }
        .media-card .media-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--color-border-subtle);
        }
        .media-card .media-body {
            padding: 16px;
        }
        .media-card .media-body h4 {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-white);
            line-height: 1.4;
        }
        .media-card .media-body p {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            line-height: 1.4;
        }
        .media-card .media-body .media-type {
            display: inline-block;
            font-size: 0.65rem;
            padding: 3px 8px;
            border-radius: 8px;
            background: rgba(0,240,168,0.1);
            color: var(--color-neon-cyan);
            margin-top: 8px;
        }

        /* ===== 下载引导 / CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #132125 0%, #0D1B1E 100%);
            border-top: 1px solid var(--color-border-subtle);
            border-bottom: 1px solid var(--color-border-subtle);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            justify-content: space-between;
        }
        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        .cta-action {
            flex-shrink: 0;
        }
        @media (max-width: 767px) {
            .cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }
            .cta-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== 底部固定转化条 ===== */
        .bottom-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(13, 27, 30, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--color-border-subtle);
            z-index: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            padding: 0 24px;
        }
        .bottom-sticky-bar .sticky-text {
            font-size: 0.95rem;
            color: var(--color-white);
            font-weight: 500;
        }
        .bottom-sticky-bar .sticky-text .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-neon-cyan);
            margin-right: 6px;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 767px) {
            .bottom-sticky-bar {
                flex-direction: column;
                height: auto;
                padding: 14px 16px;
                gap: 10px;
                text-align: center;
            }
            .bottom-sticky-bar .sticky-text {
                font-size: 0.85rem;
            }
            .bottom-sticky-bar .btn-primary {
                width: 100%;
            }
        }
        body {
            padding-bottom: 90px;
        }
        @media (max-width: 767px) {
            body {
                padding-bottom: 120px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark-green);
            border-top: 1px solid var(--color-border-subtle);
            padding: 40px 0;
            text-align: center;
        }
        .site-footer .footer-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            list-style: none;
            margin-bottom: 16px;
        }
        .site-footer .footer-links a {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-neon-cyan);
        }
        .site-footer .footer-copy {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            opacity: 0.7;
        }

        /* ===== 通用工具类 ===== */
        .text-neon { color: var(--color-neon-cyan); }
        .text-white { color: var(--color-white); }
        .text-muted { color: var(--color-text-muted); }
        .bg-card { background: var(--color-card-bg); }