/* roulang page: index */
/* ========== :root 设计变量 ========== */
        :root {
            --color-primary: #6c5ce7;
            --color-primary-dark: #5a4bd1;
            --color-primary-light: #8b7cf7;
            --color-secondary: #fd79a8;
            --color-secondary-dark: #e8608a;
            --color-accent: #00cec9;
            --color-dark-bg: #0a0a1a;
            --color-dark-bg2: #12122a;
            --color-dark-card: #1a1a3a;
            --color-dark-card-hover: #22224a;
            --color-light-bg: #f8f9ff;
            --color-white: #ffffff;
            --color-text: #e8e8f0;
            --color-text-light: #b0b0c8;
            --color-text-muted: #7a7a9a;
            --color-border: #2a2a4a;
            --color-success: #00b894;
            --color-warning: #fdcb6e;
            --color-danger: #e17055;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --max-width: 1200px;
            --header-brand-height: 64px;
            --header-channel-height: 48px;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background: var(--color-dark-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-secondary); }
        a:focus-visible { outline: 2px solid var(--color-primary-light); outline-offset: 2px; border-radius: 2px; }
        button, input, select, textarea { font-family: inherit; font-size: 1rem; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--color-white); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: var(--spacing-lg); }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: var(--spacing-md); color: var(--color-text-light); }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        .container-wide {
            max-width: 1360px;
        }
        .container-narrow {
            max-width: 880px;
        }

        /* ========== Section 板块通用 ========== */
        .section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }
        .section-dark {
            background: var(--color-dark-bg2);
        }
        .section-darker {
            background: var(--color-dark-bg);
        }
        .section-divider {
            border-top: 1px solid var(--color-border);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--spacing-xl);
        }
        .section-header h2 {
            margin-bottom: var(--spacing-sm);
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--color-text-light);
        }
        .section-header .badge-group {
            margin-bottom: var(--spacing-md);
        }

        /* ========== 徽章 / 标签 ========== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(108, 92, 231, 0.2);
            color: var(--color-primary-light);
            border: 1px solid rgba(108, 92, 231, 0.3);
            transition: var(--transition);
        }
        .badge:hover {
            background: rgba(108, 92, 231, 0.35);
        }
        .badge-secondary {
            background: rgba(253, 121, 168, 0.2);
            color: var(--color-secondary);
            border-color: rgba(253, 121, 168, 0.3);
        }
        .badge-secondary:hover {
            background: rgba(253, 121, 168, 0.35);
        }
        .badge-accent {
            background: rgba(0, 206, 201, 0.2);
            color: var(--color-accent);
            border-color: rgba(0, 206, 201, 0.3);
        }
        .badge-hot {
            background: rgba(225, 112, 85, 0.25);
            color: var(--color-danger);
            border-color: rgba(225, 112, 85, 0.35);
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        .badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            text-decoration: none;
            cursor: pointer;
            line-height: 1.4;
            position: relative;
            overflow: hidden;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: var(--color-white);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 35px rgba(108, 92, 231, 0.5);
            color: var(--color-white);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(108, 92, 231, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--color-white);
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        .btn-secondary:hover {
            border-color: var(--color-primary-light);
            background: rgba(108, 92, 231, 0.1);
            color: var(--color-white);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            color: var(--color-text-light);
            border: 1px solid var(--color-border);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
        }
        .btn-lg {
            padding: 16px 44px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .btn-icon {
            width: 40px;
            height: 40px;
            padding: 0;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== 导航 Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 42, 74, 0.5);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 10, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        /* 品牌行 */
        .header-brand-row {
            height: var(--header-brand-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--spacing-lg);
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-white);
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .site-logo:hover {
            color: var(--color-primary-light);
        }
        .site-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-white);
            font-weight: 900;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 0 12px;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.1);
        }
        .header-search input {
            background: transparent;
            border: none;
            padding: 8px 8px 8px 4px;
            color: var(--color-text);
            width: 160px;
            outline: none;
            font-size: 0.9rem;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-search .search-icon {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .header-btn-mobile {
            display: none;
            color: var(--color-white);
            font-size: 1.4rem;
            padding: 4px;
        }

        /* 频道行 */
        .header-channel-row {
            height: var(--header-channel-height);
            border-top: 1px solid rgba(42, 42, 74, 0.4);
            display: flex;
            align-items: center;
            padding: 0 var(--spacing-lg);
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            height: 100%;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            text-decoration: none;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
        }
        .channel-nav a:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.04);
        }
        .channel-nav a.active {
            color: var(--color-primary-light);
            border-bottom-color: var(--color-primary);
            background: rgba(108, 92, 231, 0.08);
        }
        .channel-nav a .nav-badge {
            margin-left: 6px;
            font-size: 0.65rem;
            background: var(--color-danger);
            color: #fff;
            padding: 1px 8px;
            border-radius: 10px;
            font-weight: 600;
        }

        /* 移动端菜单 overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 999;
            backdrop-filter: blur(4px);
        }
        .mobile-menu-overlay.open {
            display: block;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: var(--color-dark-bg2);
            z-index: 1001;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: var(--spacing-lg);
            border-left: 1px solid var(--color-border);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-panel .close-btn {
            color: var(--color-text-light);
            font-size: 1.5rem;
            margin-bottom: var(--spacing-lg);
            display: block;
            text-align: right;
        }
        .mobile-menu-panel .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 1.05rem;
            color: var(--color-text-light);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .mobile-menu-panel .mobile-nav a:hover,
        .mobile-menu-panel .mobile-nav a.active {
            color: var(--color-primary-light);
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: calc(var(--header-brand-height) + var(--header-channel-height) + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xl);
            position: relative;
            background: linear-gradient(160deg, #0a0a1a 0%, #12122a 40%, #1a0a2e 70%, #0a0a1a 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(108, 92, 231, 0.12) 0%, transparent 50%),
                        radial-gradient(circle at 70% 60%, rgba(253, 121, 168, 0.08) 0%, transparent 50%);
            animation: hero-ambient 20s ease-in-out infinite alternate;
            pointer-events: none;
        }
        @keyframes hero-ambient {
            0% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(2%, -2%) scale(1.05); }
            100% { transform: translate(-2%, 2%) scale(0.95); }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-content .badge {
            margin-bottom: var(--spacing-md);
        }
        .hero-content h1 {
            font-size: 3.6rem;
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, #ffffff 30%, var(--color-primary-light) 70%, var(--color-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-sub {
            font-size: 1.3rem;
            color: var(--color-text-light);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .hero-content .hero-tags {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .hero-content .hero-tags span {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .hero-content .hero-tags span i {
            color: var(--color-accent);
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-white);
            display: block;
        }
        .hero-stats .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        /* ========== 卡片系统 ========== */
        .card {
            background: var(--color-dark-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            background: var(--color-dark-card-hover);
            border-color: rgba(108, 92, 231, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(108, 92, 231, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary-light);
            margin-bottom: var(--spacing-md);
        }
        .card h3 {
            margin-bottom: var(--spacing-sm);
        }
        .card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }
        .card .card-footer {
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .card-hover-glow:hover {
            box-shadow: var(--shadow-glow);
        }

        /* ========== 网格布局 ========== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--spacing-lg);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
        }
        .grid-2-1 {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-lg);
        }

        /* ========== 热门游戏分类 ========== */
        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--color-dark-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            color: var(--color-text-light);
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .category-chip:hover {
            background: var(--color-dark-card-hover);
            border-color: var(--color-primary);
            color: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .category-chip .chip-icon {
            font-size: 1.2rem;
        }
        .category-chip-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
        }

        /* ========== CMS 资讯列表 ========== */
        .post-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--color-dark-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .post-item:hover {
            background: var(--color-dark-card-hover);
            border-color: rgba(108, 92, 231, 0.2);
            transform: translateX(4px);
        }
        .post-item .post-rank {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary-light);
        }
        .post-item .post-rank.top-1 { background: rgba(253, 121, 168, 0.2); color: var(--color-secondary); }
        .post-item .post-rank.top-2 { background: rgba(0, 206, 201, 0.15); color: var(--color-accent); }
        .post-item .post-rank.top-3 { background: rgba(253, 203, 110, 0.15); color: var(--color-warning); }
        .post-item .post-content {
            flex: 1;
            min-width: 0;
        }
        .post-item .post-content .post-title {
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 4px;
            display: block;
            text-decoration: none;
            transition: var(--transition);
        }
        .post-item .post-content .post-title:hover {
            color: var(--color-primary-light);
        }
        .post-item .post-content .post-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            gap: var(--spacing-md);
            align-items: center;
        }
        .post-item .post-content .post-meta .post-cat {
            padding: 1px 10px;
            border-radius: 10px;
            background: rgba(108, 92, 231, 0.12);
            color: var(--color-primary-light);
            font-size: 0.75rem;
        }
        .post-item .post-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--color-border);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 1.5rem;
        }

        /* ========== 数据统计 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            text-align: center;
        }
        .stat-card {
            background: var(--color-dark-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: var(--spacing-sm);
            display: block;
        }
        .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--color-primary-light);
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-dark-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            font-weight: 600;
            color: var(--color-white);
            cursor: pointer;
            transition: var(--transition);
            gap: var(--spacing-md);
        }
        .faq-item .faq-question:hover {
            color: var(--color-primary-light);
        }
        .faq-item .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--color-text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
            color: var(--color-primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a0a2e 0%, #12122a 50%, #0a1a2e 100%);
            text-align: center;
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(108, 92, 231, 0.1) 0%, transparent 60%),
                        radial-gradient(circle at 70% 50%, rgba(253, 121, 168, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            margin-bottom: var(--spacing-sm);
        }
        .cta-content p {
            font-size: 1.1rem;
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
        }
        .cta-actions {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-dark-bg);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .site-logo {
            margin-bottom: var(--spacing-md);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: var(--spacing-md);
            color: var(--color-white);
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: var(--spacing-md);
        }
        .footer-bottom .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--color-primary-light);
        }
        .footer-social {
            display: flex;
            gap: var(--spacing-sm);
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: var(--transition);
            font-size: 1rem;
        }
        .footer-social a:hover {
            background: rgba(108, 92, 231, 0.2);
            color: var(--color-primary-light);
            transform: translateY(-2px);
        }

        /* ========== 分类入口大卡片 ========== */
        .feature-card {
            background: var(--color-dark-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.25);
        }
        .feature-card .feature-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            opacity: 0.06;
            pointer-events: none;
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: var(--spacing-md);
        }
        .feature-card .feature-icon.purple {
            background: rgba(108, 92, 231, 0.15);
            color: var(--color-primary-light);
        }
        .feature-card .feature-icon.pink {
            background: rgba(253, 121, 168, 0.15);
            color: var(--color-secondary);
        }
        .feature-card h3 {
            margin-bottom: var(--spacing-sm);
        }
        .feature-card p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-md);
        }
        .feature-card .feature-meta {
            display: flex;
            gap: var(--spacing-md);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .feature-card .feature-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 进度条 / 热度条 ========== */
        .heat-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .heat-bar .bar-track {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            overflow: hidden;
        }
        .heat-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            transition: width 0.6s ease;
        }

        /* ========== 分割线 ========== */
        .divider {
            height: 1px;
            background: var(--color-border);
            margin: var(--spacing-lg) 0;
            width: 100%;
        }
        .divider-gradient {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
            margin: var(--spacing-xl) 0;
            border: none;
        }

        /* ========== 空状态 ========== */
        .empty-state {
            text-align: center;
            padding: var(--spacing-xl);
            color: var(--color-text-muted);
        }
        .empty-state i {
            font-size: 2.4rem;
            margin-bottom: var(--spacing-md);
            display: block;
            color: var(--color-border);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
            .hero-content h1 { font-size: 2.8rem; }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-xl: 2.5rem;
                --spacing-2xl: 3.5rem;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .container { padding: 0 var(--spacing-md); }

            .header-search input { width: 100px; }
            .header-actions .btn-sm { display: none; }
            .header-btn-mobile { display: block; }
            .header-channel-row { overflow-x: auto; }

            .hero { min-height: 80vh; padding-top: calc(var(--header-brand-height) + var(--header-channel-height) + var(--spacing-lg)); }
            .hero-content h1 { font-size: 2.2rem; }
            .hero-content .hero-sub { font-size: 1.05rem; }
            .hero-stats { gap: var(--spacing-lg); }
            .hero-stats .stat-item .stat-number { font-size: 1.6rem; }

            .grid-2, .grid-3, .grid-4, .grid-2-1 { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .feature-card { padding: var(--spacing-lg); }
            .post-item { flex-direction: column; }
            .post-item .post-thumb { width: 100%; height: 120px; }

            .section-header p { font-size: 1rem; }
            .cta-content h2 { font-size: 1.6rem; }
            .category-chip-grid { gap: var(--spacing-sm); }
            .category-chip { padding: 8px 16px; font-size: 0.85rem; }
            .hero-content .hero-tags span { font-size: 0.8rem; }
            .mobile-menu-panel { width: 280px; }
        }

        @media (max-width: 520px) {
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content .hero-sub { font-size: 0.95rem; }
            .hero-stats .stat-item .stat-number { font-size: 1.3rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-sm); }
            .stat-card { padding: var(--spacing-md); }
            .stat-card .stat-number { font-size: 1.8rem; }
            .btn-lg { padding: 12px 28px; font-size: 0.95rem; }
            .header-search { display: none; }
            .footer-bottom .footer-links { flex-wrap: wrap; justify-content: center; }
            .faq-item .faq-question { padding: var(--spacing-sm) var(--spacing-md); font-size: 0.9rem; }
            .faq-item .faq-answer { padding: 0 var(--spacing-md) var(--spacing-md); font-size: 0.85rem; }
        }

        /* ========== 工具类 ========== */
        .text-center { text-align: center; }
        .text-muted { color: var(--color-text-muted); }
        .mt-lg { margin-top: var(--spacing-lg); }
        .mb-lg { margin-bottom: var(--spacing-lg); }
        .gap-sm { gap: var(--spacing-sm); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }
        .relative { position: relative; }
        .overflow-hidden { overflow: hidden; }

        /* Foundation 覆盖 */
        .row { max-width: var(--max-width); }
        .columns { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --primary-bg: #eff6ff;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #8b5cf6;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-gray: #f1f5f9;
            --bg-dark: #0f172a;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
            --nav-height: 52px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 排版 ===== */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-sm {
            margin-top: 0.75rem;
        }
        .mt-md {
            margin-top: 1.5rem;
        }
        .mt-lg {
            margin-top: 2.5rem;
        }
        .mb-sm {
            margin-bottom: 0.75rem;
        }
        .mb-md {
            margin-bottom: 1.5rem;
        }
        .mb-lg {
            margin-bottom: 2.5rem;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--text-white);
        }
        .btn-secondary:hover {
            background: var(--secondary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn i {
            font-size: 1.1em;
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 100px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .badge-primary {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .badge-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .badge-new {
            background: #f0fdf4;
            color: #16a34a;
        }
        .badge-accent {
            background: #f5f3ff;
            color: var(--accent);
        }
        .badge-secondary {
            background: #fffbeb;
            color: var(--secondary-dark);
        }
        .nav-badge {
            display: inline-block;
            padding: 2px 10px;
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: 100px;
            background: #dc2626;
            color: #fff;
            margin-left: 6px;
            vertical-align: middle;
            line-height: 1.5;
        }
        .badge-rating {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        /* ===== 头部 & 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.03em;
            transition: var(--transition);
        }
        .site-logo:hover {
            color: var(--primary);
            transform: scale(1.02);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-height);
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav .container {
            display: flex;
            align-items: center;
            gap: 2px;
            height: 100%;
            padding: 0 24px;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .channel-nav a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .channel-nav a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: -2px;
            border-radius: var(--radius-sm);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .search-toggle,
        .header-actions .menu-toggle {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: none;
        }
        .header-actions .search-toggle:hover,
        .header-actions .menu-toggle:hover {
            background: var(--bg-gray);
            color: var(--text-primary);
        }
        @media (max-width: 768px) {
            .header-actions .search-toggle,
            .header-actions .menu-toggle {
                display: block;
            }
            .header-inner {
                padding: 0 16px;
            }
            .channel-nav .container {
                padding: 0 12px;
                gap: 0;
            }
            .channel-nav a {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== 搜索框（移动端展开） ===== */
        .mobile-search {
            display: none;
            padding: 12px 16px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }
        .mobile-search.open {
            display: block;
        }
        .mobile-search .search-input {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            background: var(--bg-body);
        }
        .mobile-search .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px var(--primary-bg);
        }

        /* ===== 页面头部 ===== */
        .page-hero {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
            color: var(--text-white);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .page-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            line-height: 1.7;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .page-hero .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .page-hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .page-hero .hero-breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .page-hero .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .page-hero .hero-breadcrumb a:hover {
            color: #fff;
        }
        .page-hero .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .hero-stats {
                gap: 20px;
            }
            .page-hero .hero-stats .stat-number {
                font-size: 1.4rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 64px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }
        .section-bg-white {
            background: var(--bg-white);
        }
        .section-bg-gray {
            background: var(--bg-gray);
        }
        .section-bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-bg-dark .section-title {
            color: var(--text-white);
        }
        .section-bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 28px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ===== 筛选 / 分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 32px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 20px;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 100px;
            border: 1px solid var(--border);
            background: var(--bg-white);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .filter-tabs .filter-btn.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .filter-tabs .filter-btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== 文章卡片 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .article-card .card-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            background: var(--bg-gray);
            position: relative;
            overflow: hidden;
        }
        .article-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .card-thumb img {
            transform: scale(1.05);
        }
        .article-card .card-thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .article-card .card-thumb .duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 3px 10px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .article-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .article-card .card-body .card-meta .card-category {
            color: var(--primary);
            font-weight: 600;
        }
        .article-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card .card-body h3 a {
            color: var(--text-primary);
        }
        .article-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .article-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .article-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .article-card .card-body .card-footer .author {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-card .card-body .card-footer .author i {
            font-size: 0.9rem;
        }
        .article-card .card-body .card-footer .stats {
            display: flex;
            gap: 12px;
        }
        .article-card .card-body .card-footer .stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
            .article-card .card-body {
                padding: 14px 16px 16px;
            }
            .article-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 特色攻略板块 ===== */
        .feature-guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-guide-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .feature-guide-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .feature-guide-item .icon-wrap {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-guide-item .icon-wrap.icon-blue {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }
        .feature-guide-item .icon-wrap.icon-purple {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        }
        .feature-guide-item .icon-wrap.icon-orange {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .feature-guide-item .icon-wrap.icon-green {
            background: linear-gradient(135deg, #10b981, #059669);
        }
        .feature-guide-item .icon-wrap.icon-red {
            background: linear-gradient(135deg, #ef4444, #dc2626);
        }
        .feature-guide-item .icon-wrap.icon-teal {
            background: linear-gradient(135deg, #14b8a6, #0d9488);
        }
        .feature-guide-item .icon-wrap.icon-pink {
            background: linear-gradient(135deg, #ec4899, #db2777);
        }
        .feature-guide-item .icon-wrap.icon-indigo {
            background: linear-gradient(135deg, #6366f1, #4f46e5);
        }
        .feature-guide-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .feature-guide-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .feature-guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .feature-guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 热门攻略排行 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateX(4px);
        }
        .rank-item .rank-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-muted);
            min-width: 36px;
            text-align: center;
            line-height: 1;
        }
        .rank-item .rank-number.top-1 {
            color: #f59e0b;
        }
        .rank-item .rank-number.top-2 {
            color: #94a3b8;
        }
        .rank-item .rank-number.top-3 {
            color: #d97706;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-info .rank-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .rank-item .rank-stats {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .rank-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 攻略分类导航 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .category-card .cat-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .category-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .category-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .category-card .cat-count {
            display: inline-block;
            margin-top: 10px;
            padding: 3px 14px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 小编推荐 ===== */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .recommend-card {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .recommend-card .rec-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            background: var(--bg-gray);
            flex-shrink: 0;
            overflow: hidden;
        }
        .recommend-card .rec-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .recommend-card .rec-info {
            flex: 1;
            min-width: 0;
        }
        .recommend-card .rec-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .recommend-card .rec-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .recommend-card .rec-info .rec-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 12px;
        }
        @media (max-width: 768px) {
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .recommend-card .rec-thumb {
                width: 90px;
                height: 68px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            gap: 12px;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            background: var(--primary-bg);
        }
        .faq-item .faq-question::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question.open::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-answer.open {
            display: block;
        }
        .faq-item .faq-question:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: -2px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
            padding: 64px 0;
            text-align: center;
            color: var(--text-white);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .site-logo {
            color: var(--text-white);
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .footer-brand .site-logo:hover {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.1);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 侧边栏 / 骨架 ===== */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }
        .sidebar .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 20px;
            margin-bottom: 20px;
        }
        .sidebar .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-bg);
        }
        .sidebar .sidebar-card .side-link {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar .sidebar-card .side-link:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border);
            background: var(--bg-white);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .pagination .current {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .pagination .ellipsis {
            border: none;
            background: none;
        }

        /* ===== 工具类 ===== */
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .gap-sm {
            gap: 8px;
        }
        .gap-md {
            gap: 16px;
        }
        .gap-lg {
            gap: 24px;
        }
        .w-full {
            width: 100%;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .cell {
            margin-bottom: 0;
        }
        .grid-x>.cell {
            padding: 0;
        }

/* roulang page: article */
:root {
            --p-primary: #e63946;
            --p-primary-dark: #c1121f;
            --p-primary-light: #ff6b6b;
            --p-secondary: #457b9d;
            --p-secondary-light: #a8dadc;
            --p-accent: #f4a261;
            --p-dark: #1d3557;
            --p-bg: #f8f9fa;
            --p-bg-card: #ffffff;
            --p-bg-section: #f0f2f5;
            --p-text: #2b2d42;
            --p-text-light: #6c757d;
            --p-text-white: #ffffff;
            --p-border: #e2e8f0;
            --p-radius: 12px;
            --p-radius-sm: 8px;
            --p-shadow: 0 4px 20px rgba(0,0,0,0.06);
            --p-shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --p-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --p-font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --p-max-width: 1200px;
            --p-header-height: 72px;
            --p-nav-height: 52px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--p-font);
            background: var(--p-bg);
            color: var(--p-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--p-secondary); text-decoration: none; transition: color var(--p-transition); }
        a:hover { color: var(--p-primary); }
        a:focus-visible { outline: 3px solid var(--p-primary-light); outline-offset: 2px; border-radius: 4px; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: var(--p-max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

        /* ===== Header ===== */
        .site-header {
            background: var(--p-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--p-header-height);
            padding: 0 24px;
            max-width: var(--p-max-width);
            margin: 0 auto;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--p-text-white);
            letter-spacing: -0.5px;
            transition: opacity var(--p-transition);
        }
        .site-logo:hover { opacity: 0.85; color: var(--p-text-white); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--p-primary), var(--p-accent));
            border-radius: 10px;
            color: #fff;
            font-weight: 900;
            font-size: 1.3rem;
            box-shadow: 0 4px 12px rgba(230,57,70,0.3);
        }
        .logo-tagline { font-size: 0.8rem; font-weight: 400; color: rgba(255,255,255,0.6); letter-spacing: 1px; display: none; }
        @media (min-width: 640px) { .logo-tagline { display: inline; margin-left: 4px; } }

        /* ===== Channel Nav ===== */
        .channel-nav-wrapper {
            background: rgba(29,53,87,0.95);
            backdrop-filter: blur(8px);
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--p-max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: var(--p-nav-height);
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--p-transition);
            position: relative;
        }
        .channel-nav a:hover { color: #fff; background: rgba(255,255,255,0.1); }
        .channel-nav a.active {
            color: #fff;
            background: var(--p-primary);
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .channel-nav a.active:hover { background: var(--p-primary-dark); }
        .nav-badge {
            font-size: 0.65rem;
            background: var(--p-accent);
            color: #1d3557;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--p-bg-section);
            padding: 14px 0;
            border-bottom: 1px solid var(--p-border);
        }
        .breadcrumb-bar .container-narrow {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--p-text-light);
        }
        .breadcrumb-bar a { color: var(--p-secondary); }
        .breadcrumb-bar a:hover { color: var(--p-primary); }
        .breadcrumb-bar span.sep { color: #ccc; }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 64px;
        }
        .article-header {
            margin-bottom: 40px;
        }
        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-bottom: 16px;
        }
        .article-category {
            display: inline-block;
            padding: 4px 16px;
            background: var(--p-primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--p-text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-date i { font-size: 0.8rem; }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--p-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article-desc {
            font-size: 1.1rem;
            color: var(--p-text-light);
            line-height: 1.6;
            max-width: 780px;
        }
        .article-featured-image {
            margin: 32px 0;
            border-radius: var(--p-radius);
            overflow: hidden;
            box-shadow: var(--p-shadow);
        }
        .article-featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--p-text);
        }
        .article-body h2 { font-size: 1.6rem; font-weight: 700; margin: 40px 0 16px; color: var(--p-dark); }
        .article-body h3 { font-size: 1.25rem; font-weight: 600; margin: 32px 0 12px; color: var(--p-dark); }
        .article-body p { margin-bottom: 20px; }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 8px; }
        .article-body a { color: var(--p-primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--p-primary-dark); }
        .article-body blockquote {
            border-left: 4px solid var(--p-primary);
            background: var(--p-bg-section);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--p-radius-sm) var(--p-radius-sm) 0;
            font-style: italic;
            color: var(--p-text-light);
        }
        .article-body pre {
            background: var(--p-dark);
            color: #f0f2f5;
            padding: 20px 24px;
            border-radius: var(--p-radius-sm);
            overflow-x: auto;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .article-body code {
            background: var(--p-bg-section);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--p-primary);
        }
        .article-body pre code { background: transparent; color: inherit; padding: 0; }
        .article-body img {
            border-radius: var(--p-radius-sm);
            margin: 24px 0;
            box-shadow: var(--p-shadow);
        }
        .article-body .wp-caption-text, .article-body figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--p-text-light);
            margin-top: -12px;
            margin-bottom: 24px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--p-border);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--p-bg-section);
            color: var(--p-text-light);
            font-size: 0.8rem;
            border-radius: 20px;
            transition: all var(--p-transition);
            border: 1px solid var(--p-border);
        }
        .article-tags .tag:hover { background: var(--p-primary); color: #fff; border-color: var(--p-primary); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--p-border);
        }
        .article-share span { font-size: 0.9rem; color: var(--p-text-light); font-weight: 500; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--p-bg-section);
            color: var(--p-text-light);
            font-size: 1rem;
            transition: all var(--p-transition);
            border: 1px solid var(--p-border);
        }
        .article-share a:hover { background: var(--p-primary); color: #fff; border-color: var(--p-primary); transform: translateY(-2px); }

        /* ===== Error State ===== */
        .error-container {
            text-align: center;
            padding: 80px 24px;
        }
        .error-container .error-icon {
            font-size: 4rem;
            color: var(--p-text-light);
            margin-bottom: 24px;
            opacity: 0.5;
        }
        .error-container h1 { font-size: 2rem; color: var(--p-dark); margin-bottom: 12px; }
        .error-container p { color: var(--p-text-light); font-size: 1.1rem; margin-bottom: 28px; }
        .error-container .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--p-dark);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            transition: all var(--p-transition);
        }
        .error-container .btn-back:hover { background: var(--p-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.3); }

        /* ===== Related Posts ===== */
        .related-section {
            background: var(--p-bg-section);
            padding: 56px 0;
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--p-dark);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--p-bg-card);
            border-radius: var(--p-radius);
            overflow: hidden;
            box-shadow: var(--p-shadow);
            transition: all var(--p-transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--p-shadow-hover); }
        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--p-bg-section);
        }
        .related-card .card-body { padding: 20px; }
        .related-card .card-cat {
            font-size: 0.75rem;
            color: var(--p-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--p-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title:hover { color: var(--p-primary); }
        .related-card .card-meta {
            font-size: 0.8rem;
            color: var(--p-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--p-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { font-size: 1.3rem; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); margin-top: 12px; }
        .footer-social { display: flex; gap: 12px; margin-top: 16px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: all var(--p-transition);
        }
        .footer-social a:hover { background: var(--p-primary); color: #fff; transform: translateY(-2px); }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: all var(--p-transition);
        }
        .footer-col a:hover { color: var(--p-primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-links { display: flex; gap: 16px; }
        .footer-links a { color: rgba(255,255,255,0.4); font-size: 0.8rem; }
        .footer-links a:hover { color: var(--p-primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .article-title { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .header-inner { height: 60px; padding: 0 16px; }
            .site-logo { font-size: 1.2rem; }
            .logo-icon { width: 34px; height: 34px; font-size: 1.1rem; }
            .channel-nav { padding: 0 12px; height: 46px; gap: 2px; }
            .channel-nav a { padding: 6px 14px; font-size: 0.8rem; }
            .article-main { padding: 32px 0 48px; }
            .article-title { font-size: 1.5rem; }
            .article-desc { font-size: 1rem; }
            .article-body { font-size: 1rem; }
            .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.1rem; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .header-inner { height: 52px; padding: 0 12px; }
            .site-logo { font-size: 1rem; gap: 6px; }
            .logo-icon { width: 30px; height: 30px; font-size: 0.95rem; border-radius: 8px; }
            .channel-nav { height: 42px; padding: 0 8px; }
            .channel-nav a { padding: 4px 12px; font-size: 0.75rem; }
            .article-title { font-size: 1.25rem; }
            .article-meta-top { gap: 8px 12px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .container, .container-narrow { padding: 0 16px; }
            .error-container { padding: 48px 16px; }
            .error-container h1 { font-size: 1.5rem; }
        }

        /* ===== Utility ===== */
        .mt-lg { margin-top: 20px; }
        .mb-lg { margin-bottom: 20px; }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #fadbd8;
            --secondary: #f39c12;
            --secondary-light: #fef3e2;
            --accent: #2ecc71;
            --accent-dark: #27ae60;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section-alt: #151528;
            --bg-dark: #0a0a14;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b0c8;
            --text-muted: #6c6c8a;
            --text-inverse: #1a1a2e;
            --border-color: #2a2a4a;
            --border-light: #3a3a5a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 56px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(231,76,60,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
        }

        /* ===== 基础重置 ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding: 12px; }

        /* ===== 导航 (杂志频道风格) ===== */
        .site-header {
            background: rgba(15,15,26,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-logo:hover { color: var(--primary); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            color: #fff;
            font-weight: 900;
            font-size: 1.2rem;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }
        .channel-nav a:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.06);
        }
        .channel-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 20px rgba(231,76,60,0.3);
        }
        .nav-badge {
            font-size: 0.65rem;
            background: var(--secondary);
            color: #1a1a2e;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 700;
            letter-spacing: 0.3px;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== Hero 首屏 ===== */
        .hero-event {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(160deg, #0f0f1a 0%, #1a0a0a 40%, #0f0f1a 100%);
            overflow: hidden;
        }
        .hero-event::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(231,76,60,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-event::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(243,156,18,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-event .container { position: relative; z-index: 1; }
        .hero-event h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 900;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f0f0f5 40%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-event .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 60px;
            margin-top: 20px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .hero-stat-number span { color: var(--secondary); }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(231,76,60,0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(231,76,60,0.5);
            color: #fff;
        }
        .btn-secondary {
            background: rgba(255,255,255,0.08);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(10px);
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.15);
            color: var(--text-primary);
            transform: translateY(-3px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(231,76,60,0.15);
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        /* ===== 活动卡片 ===== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .event-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #2a1a1a, #1a1a2e);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .event-card-image i {
            font-size: 3rem;
            color: rgba(255,255,255,0.08);
        }
        .event-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 2px 12px rgba(231,76,60,0.4);
        }
        .event-card-badge.blue { background: linear-gradient(135deg, #3498db, #2980b9); }
        .event-card-badge.green { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
        .event-card-badge.purple { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
        .event-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .event-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .event-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .event-card-meta i { margin-right: 4px; color: var(--secondary); }
        .event-card-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.8s infinite;
        }
        .status-dot.green { background: var(--accent); }
        .status-dot.yellow { background: var(--secondary); }
        .status-dot.red { background: var(--primary); }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.2); }
        }

        /* ===== 分类标签 ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .category-tab {
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .category-tab:hover {
            background: rgba(255,255,255,0.08);
            color: var(--text-primary);
            border-color: var(--border-light);
        }
        .category-tab.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 20px rgba(231,76,60,0.3);
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 720px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-body);
            box-shadow: 0 0 0 2px var(--primary), 0 4px 16px rgba(231,76,60,0.3);
        }
        .timeline-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            font-weight: 600;
        }
        .timeline-date i { margin-right: 4px; color: var(--secondary); }
        .timeline-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(231,76,60,0.3);
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(160deg, #1a0a0a, #0f0f1a 50%, #0a0a14);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 800px;
            height: 800px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(231,76,60,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
        .cta-section p { max-width: 520px; margin: 0 auto 32px; color: var(--text-muted); }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 16px; display: inline-flex; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 360px; }
        .footer-social { display: flex; gap: 14px; margin-top: 20px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 4px 16px rgba(231,76,60,0.3);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 6px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
        .footer-links a { color: var(--text-muted); font-size: 0.8rem; }
        .footer-links a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .hero-event { padding: 60px 0 80px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .channel-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15,15,26,0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                max-height: 60vh;
                overflow-y: auto;
                align-items: stretch;
            }
            .channel-nav.open { transform: translateY(0); opacity: 1; }
            .channel-nav a { justify-content: center; padding: 12px 18px; font-size: 1rem; }
            .hero-event h1 { font-size: 2rem; }
            .hero-stats { gap: 20px 32px; }
            .event-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section { padding: 56px 0; }
            .hero-event { padding: 48px 0 60px; }
            .timeline { padding-left: 32px; }
        }
        @media (max-width: 520px) {
            .steps-grid { grid-template-columns: 1fr; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .hero-actions { flex-direction: column; }
            .btn { width: 100%; justify-content: center; }
            .category-tabs { gap: 6px; }
            .category-tab { padding: 8px 16px; font-size: 0.8rem; }
            .cta-actions { flex-direction: column; }
        }

        /* ===== 工具类 ===== */
        .mt-sm { margin-top: 12px; }
        .mt-md { margin-top: 24px; }
        .mt-lg { margin-top: 40px; }
        .text-center { text-align: center; }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-sm { gap: 12px; }
        .gap-md { gap: 24px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-body); }
        ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

        /* ===== 选中颜色 ===== */
        ::selection { background: rgba(231,76,60,0.3); color: #fff; }

        /* ===== 占位图片图标 ===== */
        .placeholder-icon { font-size: 3rem; color: rgba(255,255,255,0.06); }