/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #E53935;
            --color-primary-dark: #C62828;
            --color-primary-light: #FF6B6B;
            --color-secondary: #FF8F00;
            --color-secondary-light: #FFB300;
            --color-accent: #1B1B2F;
            --color-accent-light: #16213E;
            --color-bg: #F8F9FA;
            --color-bg-alt: #FFFFFF;
            --color-bg-dark: #1B1B2F;
            --color-text: #1A1A2E;
            --color-text-light: #555555;
            --color-text-lighter: #888888;
            --color-text-on-dark: #F0F0F5;
            --color-border: #E0E0E0;
            --color-border-light: #F0F0F0;
            --color-success: #43A047;
            --color-warning: #FB8C00;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --shadow-hover: 0 12px 36px rgba(229,57,53,0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; border-radius: 4px; }
        button, .button { cursor: pointer; font-family: var(--font-body); }
        input, textarea, select { font-family: var(--font-body); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--color-text); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

        /* ===== 板块间距 ===== */
        .section { padding: 80px 0; }
        .section-sm { padding: 50px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            color: var(--color-text-light);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 16px auto 0;
        }
        .section-bg-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-bg-dark .section-title h2 { color: #fff; }
        .section-bg-dark .section-title p { color: rgba(255,255,255,0.7); }
        .section-bg-alt { background: var(--color-bg-alt); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(27,27,47,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(27,27,47,0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
        .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: 1.6rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
        }
        .site-logo i { color: var(--color-primary); font-size: 1.8rem; }
        .site-logo span { background: linear-gradient(135deg, #fff 60%, var(--color-primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-logo:hover span { background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 8px; }
        .nav-main a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.75);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }
        .nav-main a i { font-size: 0.9rem; }
        .nav-main a:hover,
        .nav-main a.active { color: #fff; background: rgba(255,255,255,0.10); }
        .nav-main a.active { background: rgba(229,57,53,0.25); color: var(--color-primary-light); }
        .nav-main a.nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 600;
        }
        .nav-main a.nav-cta:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(229,57,53,0.3); }

        /* 导航下拉 (轻量Mega) */
        .nav-dropdown-wrap { position: relative; }
        .nav-dropdown {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 20px 24px;
            min-width: 320px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            pointer-events: none;
            z-index: 100;
        }
        .nav-dropdown-wrap:hover .nav-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
            pointer-events: auto;
        }
        .nav-dropdown::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-bottom-color: #fff;
        }
        .nav-dropdown h4 { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 12px; font-weight: 500; letter-spacing: 0.5px; }
        .nav-dropdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .nav-dropdown-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            color: var(--color-text) !important;
            font-size: 0.88rem;
            font-weight: 400;
            background: var(--color-bg);
            transition: var(--transition);
        }
        .nav-dropdown-item i { color: var(--color-primary); font-size: 0.9rem; }
        .nav-dropdown-item:hover { background: var(--color-primary); color: #fff !important; }
        .nav-dropdown-item:hover i { color: #fff; }

        /* 移动端菜单按钮 */
        .menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; padding: 8px; cursor: pointer; }

        /* 搜索框 (导航右侧) */
        .nav-search-wrap { position: relative; margin-left: 12px; }
        .nav-search-wrap input {
            background: rgba(255,255,255,0.10);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 50px;
            padding: 8px 16px 8px 40px;
            color: #fff;
            font-size: 0.88rem;
            width: 180px;
            transition: var(--transition);
            outline: none;
        }
        .nav-search-wrap input::placeholder { color: rgba(255,255,255,0.45); }
        .nav-search-wrap input:focus { background: rgba(255,255,255,0.18); border-color: var(--color-primary); width: 240px; }
        .nav-search-wrap i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255,255,255,0.45);
            font-size: 0.9rem;
            pointer-events: none;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            margin-top: 0;
            padding-top: var(--header-height);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,27,47,0.88) 0%, rgba(22,33,62,0.75) 50%, rgba(229,57,53,0.25) 100%);
            z-index: 1;
        }
        .hero-overlay-stripe {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 80px 24px 100px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
        }
        .hero-badge i { color: var(--color-secondary-light); font-size: 0.8rem; }
        .hero h1 {
            font-size: 3.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            max-width: 800px;
        }
        .hero h1 .highlight { background: linear-gradient(135deg, var(--color-secondary-light), var(--color-primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-actions .btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .hero-actions .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 28px rgba(229,57,53,0.35);
        }
        .hero-actions .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(229,57,53,0.45); }
        .hero-actions .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
        }
        .hero-actions .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: #fff; transform: translateY(-3px); }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.10);
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-stat-item .num i { color: var(--color-secondary-light); font-size: 1.6rem; margin-right: 6px; }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-top: 4px;
        }

        /* ===== 实时滚动条 ===== */
        .ticker-bar {
            background: var(--color-accent-light);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding: 10px 0;
            overflow: hidden;
        }
        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            animation: tickerScroll 30s linear infinite;
            white-space: nowrap;
        }
        .ticker-inner span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
        }
        .ticker-inner span i { color: var(--color-secondary); font-size: 0.7rem; }
        @keyframes tickerScroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .stat-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(229,57,53,0.10), rgba(255,143,0,0.10));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--color-primary);
        }
        .stat-card .num { font-size: 2.2rem; font-weight: 900; color: var(--color-accent); }
        .stat-card .num span { color: var(--color-secondary); }
        .stat-card .label { color: var(--color-text-light); font-size: 0.92rem; margin-top: 4px; }

        /* ===== 分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-alt);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }
        .category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
        .category-card .bg-img {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }
        .category-card:hover .bg-img { transform: scale(1.08); }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(27,27,47,0.85) 0%, rgba(27,27,47,0.20) 100%);
            z-index: 1;
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: 36px 30px;
            width: 100%;
        }
        .category-card .tag {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            margin-bottom: 12px;
        }
        .category-card h3 { color: #fff; font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
        .category-card p { color: rgba(255,255,255,0.75); font-size: 0.95rem; margin-bottom: 18px; max-width: 400px; }
        .category-card .btn-sm {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.25);
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .category-card .btn-sm:hover { background: var(--color-primary); border-color: var(--color-primary); }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .news-card .img-wrap {
            height: 200px;
            background: var(--color-accent-light);
            position: relative;
            overflow: hidden;
        }
        .news-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .news-card:hover .img-wrap img { transform: scale(1.08); }
        .news-card .img-wrap .cat-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
            z-index: 2;
        }
        .news-card .body { padding: 20px 22px 24px; }
        .news-card .body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--color-text-lighter);
            margin-bottom: 10px;
        }
        .news-card .body .meta i { margin-right: 4px; }
        .news-card .body h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
        .news-card .body h3 a { color: var(--color-text); }
        .news-card .body h3 a:hover { color: var(--color-primary); }
        .news-card .body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 特色/流程 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: 36px 24px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .feature-card p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 500;
            font-size: 1rem;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--color-text);
            transition: var(--transition);
        }
        .faq-question i { color: var(--color-primary); transition: var(--transition); font-size: 0.9rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 16px 44px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(229,57,53,0.35);
        }
        .cta-section .btn-cta:hover { background: var(--color-primary-dark); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(229,57,53,0.50); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-accent);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand h3 i { color: var(--color-primary); }
        .footer-brand p { font-size: 0.9rem; max-width: 360px; line-height: 1.8; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col a {
            display: block;
            padding: 6px 0;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--color-primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--color-primary-light); }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-socials a:hover { background: var(--color-primary); color: #fff; }

        /* ===== 按钮通用 ===== */
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; border: none; transition: var(--transition); cursor: pointer; }
        .btn-primary { background: var(--color-primary); color: #fff; }
        .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(229,57,53,0.30); }
        .btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
        .btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

        /* ===== 标签 ===== */
        .tag { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.78rem; font-weight: 500; background: rgba(229,57,53,0.10); color: var(--color-primary); }
        .tag-alt { background: rgba(255,143,0,0.10); color: var(--color-secondary); }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 60px 24px;
            color: var(--color-text-lighter);
        }
        .empty-state i { font-size: 3rem; color: var(--color-border); margin-bottom: 16px; display: block; }
        .empty-state p { font-size: 1rem; }

        /* ===== 响应式 ===== */

        /* 1024px 及以下 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .hero h1 { font-size: 2.8rem; }
            .nav-search-wrap input { width: 140px; }
            .nav-search-wrap input:focus { width: 180px; }
        }

        /* 768px 及以下 (平板) */
        @media (max-width: 768px) {
            :root { --header-height: 64px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .section { padding: 56px 0; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-actions .btn { padding: 12px 28px; font-size: 0.95rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-item .num { font-size: 1.6rem; }

            .nav-main { display: none; }
            .menu-toggle { display: block; }
            .nav-main.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0; right: 0;
                background: rgba(27,27,47,0.98);
                backdrop-filter: blur(16px);
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
                box-shadow: 0 20px 60px rgba(0,0,0,0.4);
            }
            .nav-main.mobile-open a { padding: 12px 16px; font-size: 1rem; }
            .nav-search-wrap { display: none; }
            .nav-search-wrap.mobile-show { display: block; margin: 12px 0 0; width: 100%; }
            .nav-search-wrap.mobile-show input { width: 100%; }

            .category-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }

            .nav-dropdown { display: none !important; }

            .cta-section h2 { font-size: 1.8rem; }
        }

        /* 520px 及以下 (手机) */
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .section { padding: 40px 0; }
            .hero { min-height: 60vh; padding-top: var(--header-height); }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.92rem; }
            .hero-actions { flex-direction: column; gap: 12px; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
            .hero-stat-item { text-align: left; display: flex; align-items: center; gap: 12px; }
            .hero-stat-item .num { font-size: 1.4rem; }

            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 20px 16px; }
            .stat-card .num { font-size: 1.5rem; }

            .features-grid { grid-template-columns: 1fr; }
            .feature-card { padding: 24px 16px; }

            .news-card .img-wrap { height: 160px; }
            .news-card .body { padding: 16px 18px 20px; }

            .category-card { min-height: 240px; }
            .category-card .content { padding: 24px 20px; }
            .category-card h3 { font-size: 1.4rem; }

            .faq-question { padding: 14px 18px; font-size: 0.92rem; }
            .faq-answer { padding: 0 18px 16px; font-size: 0.88rem; }

            .cta-section { padding: 50px 0; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .btn-cta { padding: 14px 32px; font-size: 0.95rem; width: 100%; justify-content: center; }

            .footer-grid { gap: 20px; }
            .site-footer { padding: 40px 0 20px; }

            .section-title { margin-bottom: 32px; }
            .section-title p { font-size: 0.92rem; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #D32F2F;
            --color-primary-light: #E53935;
            --color-primary-dark: #B71C1C;
            --color-secondary: #1A1A2E;
            --color-secondary-light: #2D2D44;
            --color-accent: #FF8F00;
            --color-bg: #F5F5F5;
            --color-bg-alt: #FAFAFA;
            --color-card: #FFFFFF;
            --color-text: #222222;
            --color-text-weak: #666666;
            --color-text-muted: #999999;
            --color-border: #E0E0E0;
            --color-border-light: #F0F0F0;
            --color-success: #4CAF50;
            --color-warning: #FF9800;
            --color-error: #F44336;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 48px rgba(0,0,0,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 70px;
        }

        /* ===== 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);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            font-size: 16px;
            padding-top: var(--header-height);
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--color-text); font-weight: 700; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; width: 100%; }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height);
            background: rgba(255,255,255,0.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border-light); z-index: 1000;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .logo { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); display: flex; align-items: center; gap: 10px; letter-spacing: -0.5px; }
        .logo i { font-size: 1.8rem; color: var(--color-accent); }
        .logo:hover { color: var(--color-primary); opacity: 0.9; }
        .nav-main { display: flex; align-items: center; gap: 6px; }
        .nav-main > a, .nav-dropdown-wrap > a {
            display: flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm);
            color: var(--color-text); font-weight: 500; font-size: 0.95rem; transition: var(--transition);
            position: relative; white-space: nowrap;
        }
        .nav-main > a i, .nav-dropdown-wrap > a i { font-size: 0.9rem; color: var(--color-text-weak); transition: var(--transition); }
        .nav-main > a:hover, .nav-dropdown-wrap > a:hover { background: rgba(211,47,47,0.06); color: var(--color-primary); }
        .nav-main > a:hover i, .nav-dropdown-wrap > a:hover i { color: var(--color-primary); }
        .nav-main > a.active { background: var(--color-primary); color: #fff; box-shadow: 0 4px 12px rgba(211,47,47,0.3); }
        .nav-main > a.active i { color: #fff; }
        .nav-cta {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
            color: #fff !important; border-radius: var(--radius-sm) !important; padding: 8px 20px !important;
            box-shadow: 0 4px 12px rgba(211,47,47,0.25); font-weight: 600 !important;
        }
        .nav-cta i { color: #fff !important; }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(211,47,47,0.35) !important; }
        .nav-dropdown-wrap { position: relative; }
        .nav-dropdown {
            position: absolute; top: 100%; left: 0; margin-top: 8px;
            background: #fff; border-radius: var(--radius-md); padding: 20px 24px; min-width: 380px;
            box-shadow: var(--shadow-lg); border: 1px solid var(--color-border-light);
            opacity: 0; visibility: hidden; transform: translateY(8px); transition: var(--transition);
            z-index: 100;
        }
        .nav-dropdown-wrap:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
        .nav-dropdown h4 { font-size: 0.85rem; color: var(--color-text-weak); margin-bottom: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
        .nav-dropdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
        .nav-dropdown-item {
            display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm);
            color: var(--color-text); font-size: 0.9rem; font-weight: 500; transition: var(--transition);
        }
        .nav-dropdown-item i { color: var(--color-primary); font-size: 1rem; width: 20px; text-align: center; }
        .nav-dropdown-item:hover { background: rgba(211,47,47,0.06); color: var(--color-primary); transform: translateX(4px); }

        /* 移动端导航 */
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--color-text); cursor: pointer; padding: 8px; border-radius: var(--radius-sm); transition: var(--transition); }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }
        .mobile-nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); z-index: 998; opacity: 0; transition: var(--transition); }
        .mobile-nav-overlay.open { opacity: 1; }
        .mobile-nav-panel { display: none; position: fixed; top: 0; right: -300px; width: 280px; height: 100%; background: #fff; z-index: 999; padding: 24px 20px; box-shadow: -4px 0 30px rgba(0,0,0,0.1); transition: right 0.35s cubic-bezier(0.4,0,0.2,1); overflow-y: auto; }
        .mobile-nav-panel.open { right: 0; }
        .mobile-nav-panel .close-btn { display: flex; justify-content: flex-end; margin-bottom: 20px; }
        .mobile-nav-panel .close-btn button { background: none; border: none; font-size: 1.5rem; color: var(--color-text-weak); cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); }
        .mobile-nav-panel .close-btn button:hover { background: rgba(0,0,0,0.04); }
        .mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
        .mobile-nav-links a {
            display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: var(--radius-sm);
            color: var(--color-text); font-weight: 500; font-size: 1rem; transition: var(--transition);
        }
        .mobile-nav-links a i { color: var(--color-text-weak); width: 20px; text-align: center; }
        .mobile-nav-links a:hover { background: rgba(211,47,47,0.06); color: var(--color-primary); }
        .mobile-nav-links a.active { background: var(--color-primary); color: #fff; }
        .mobile-nav-links a.active i { color: #fff; }
        .mobile-nav-cta { margin-top: 16px; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important; color: #fff !important; text-align: center; padding: 14px !important; border-radius: var(--radius-sm) !important; font-weight: 600 !important; }
        .mobile-nav-cta i { color: #fff !important; }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative; min-height: 320px; display: flex; align-items: center;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #2D2D44 60%, #1A1A2E 100%);
            overflow: hidden;
        }
        .article-banner-bg {
            position: absolute; inset: 0; background-size: cover; background-position: center;
            opacity: 0.2; mix-blend-mode: overlay;
        }
        .article-banner-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.5) 100%);
        }
        .article-banner .container { position: relative; z-index: 2; padding: 60px 20px 50px; }
        .article-breadcrumb {
            display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: rgba(255,255,255,0.65);
            margin-bottom: 20px; flex-wrap: wrap;
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-breadcrumb a:hover { color: #fff; }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .article-banner-category {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--color-primary); color: #fff; padding: 4px 14px; border-radius: 20px;
            font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 16px;
        }
        .article-banner-category i { font-size: 0.75rem; }
        .article-banner h1 {
            font-size: 2.6rem; color: #fff; font-weight: 800; line-height: 1.25; max-width: 800px;
            margin-bottom: 16px; text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .article-banner-desc {
            font-size: 1.1rem; color: rgba(255,255,255,0.75); max-width: 680px; line-height: 1.6;
            margin-bottom: 20px;
        }
        .article-banner-meta {
            display: flex; align-items: center; gap: 20px; flex-wrap: wrap; color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
        }
        .article-banner-meta i { margin-right: 6px; }
        .article-banner-meta span { display: flex; align-items: center; }

        /* ===== 文章正文 ===== */
        .article-content-wrap {
            background: #fff; padding: 50px 0 60px;
        }
        .article-content-inner {
            max-width: 820px; margin: 0 auto;
        }
        .article-body {
            font-size: 1.05rem; line-height: 1.85; color: var(--color-text);
        }
        .article-body p { margin-bottom: 1.4em; }
        .article-body h2 { font-size: 1.6rem; margin-top: 2em; margin-bottom: 0.8em; color: var(--color-secondary); }
        .article-body h3 { font-size: 1.3rem; margin-top: 1.6em; margin-bottom: 0.6em; }
        .article-body ul, .article-body ol { margin-bottom: 1.4em; padding-left: 1.6em; }
        .article-body li { margin-bottom: 0.5em; list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body blockquote {
            border-left: 4px solid var(--color-primary); padding: 16px 20px; margin: 1.6em 0;
            background: rgba(211,47,47,0.04); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-weak); font-style: italic;
        }
        .article-body img { border-radius: var(--radius-md); margin: 1.6em 0; box-shadow: var(--shadow-sm); }
        .article-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--color-primary-dark); }

        /* ===== 文章标签与分享 ===== */
        .article-footer-meta {
            display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
            gap: 20px; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--color-border-light);
        }
        .article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
        .article-tags .label { font-size: 0.85rem; color: var(--color-text-weak); font-weight: 500; }
        .article-tags .tag {
            display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; border-radius: 20px;
            background: rgba(211,47,47,0.06); color: var(--color-primary); font-size: 0.8rem; font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--color-primary); color: #fff; }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share .label { font-size: 0.85rem; color: var(--color-text-weak); font-weight: 500; }
        .article-share a {
            display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
            border-radius: 50%; background: var(--color-bg); color: var(--color-text-weak);
            transition: var(--transition); font-size: 0.95rem;
        }
        .article-share a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

        /* ===== 上下篇导航 ===== */
        .article-prevnext {
            display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px;
        }
        .article-prevnext a {
            display: flex; align-items: center; gap: 14px; padding: 18px 22px; border-radius: var(--radius-md);
            background: var(--color-bg); border: 1px solid var(--color-border-light);
            transition: var(--transition); color: var(--color-text);
        }
        .article-prevnext a:hover { background: #fff; border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .article-prevnext .pn-icon { font-size: 1.2rem; color: var(--color-primary); flex-shrink: 0; }
        .article-prevnext .pn-text { flex: 1; }
        .article-prevnext .pn-label { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
        .article-prevnext .pn-title { font-size: 0.95rem; font-weight: 600; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .article-prevnext .pn-next { text-align: right; flex-direction: row-reverse; }

        /* ===== 相关推荐 ===== */
        .related-section { padding: 60px 0; background: var(--color-bg-alt); }
        .related-section .section-title { text-align: center; margin-bottom: 40px; }
        .related-section .section-title h2 { font-size: 1.8rem; font-weight: 700; color: var(--color-secondary); }
        .related-section .section-title p { color: var(--color-text-weak); margin-top: 8px; font-size: 1rem; }
        .related-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
        }
        .related-card {
            background: #fff; border-radius: var(--radius-md); overflow: hidden;
            border: 1px solid var(--color-border-light); transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .related-card-img {
            height: 180px; background-size: cover; background-position: center; position: relative;
        }
        .related-card-img .tag {
            position: absolute; top: 12px; left: 12px; background: var(--color-primary); color: #fff;
            padding: 2px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
        }
        .related-card-body { padding: 20px; }
        .related-card-body h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card-body h3 a { color: var(--color-text); }
        .related-card-body h3 a:hover { color: var(--color-primary); }
        .related-card-body p { font-size: 0.85rem; color: var(--color-text-weak); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card-body .meta { margin-top: 12px; font-size: 0.75rem; color: var(--color-text-muted); display: flex; align-items: center; gap: 12px; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
            padding: 60px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.06; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; color: #fff; font-weight: 700; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 600px; margin: 0 auto 28px; }
        .cta-btn-group { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-btn-primary {
            display: inline-flex; align-items: center; gap: 10px; padding: 14px 36px; border-radius: 50px;
            background: var(--color-primary); color: #fff; font-weight: 600; font-size: 1rem;
            box-shadow: 0 4px 20px rgba(211,47,47,0.3); transition: var(--transition);
        }
        .cta-btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 30px rgba(211,47,47,0.4); }
        .cta-btn-secondary {
            display: inline-flex; align-items: center; gap: 10px; padding: 14px 36px; border-radius: 50px;
            background: rgba(255,255,255,0.1); color: #fff; font-weight: 500; font-size: 1rem;
            border: 1px solid rgba(255,255,255,0.2); transition: var(--transition);
        }
        .cta-btn-secondary:hover { background: rgba(255,255,255,0.15); color: #fff; border-color: rgba(255,255,255,0.3); transform: translateY(-3px); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary); color: rgba(255,255,255,0.7); padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
        }
        .footer-brand h3 { font-size: 1.4rem; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
        .footer-brand h3 i { color: var(--color-accent); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
        .footer-col h4 { font-size: 0.95rem; color: #fff; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.9rem; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
            padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.8rem; color: rgba(255,255,255,0.4);
        }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
            border-radius: 50%; background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.5);
            transition: var(--transition); font-size: 1rem;
        }
        .footer-socials a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

        /* ===== 错误状态 ===== */
        .article-error {
            text-align: center; padding: 80px 20px; max-width: 600px; margin: 0 auto;
        }
        .article-error .err-icon { font-size: 4rem; color: var(--color-text-muted); margin-bottom: 20px; }
        .article-error h2 { font-size: 1.8rem; color: var(--color-text); margin-bottom: 12px; }
        .article-error p { color: var(--color-text-weak); margin-bottom: 24px; font-size: 1.05rem; }
        .article-error .back-link {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border-radius: 50px;
            background: var(--color-primary); color: #fff; font-weight: 600; transition: var(--transition);
        }
        .article-error .back-link:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-banner h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .nav-main > a, .nav-dropdown-wrap { display: none; }
            .nav-toggle { display: flex; align-items: center; justify-content: center; }
            .mobile-nav-overlay { display: block; }
            .mobile-nav-panel { display: block; }
            .article-banner { min-height: 260px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-banner .container { padding: 40px 20px 36px; }
            .article-banner-desc { font-size: 0.95rem; }
            .article-content-inner { padding: 0 0; }
            .article-body { font-size: 0.98rem; }
            .article-prevnext { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-btn-group { flex-direction: column; width: 100%; }
            .cta-btn-primary, .cta-btn-secondary { width: 100%; justify-content: center; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            :root { --header-height: 60px; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.4rem; }
            .article-banner h1 { font-size: 1.3rem; }
            .article-banner-desc { font-size: 0.88rem; }
            .article-body { font-size: 0.92rem; }
            .related-card-img { height: 150px; }
            .related-section .section-title h2 { font-size: 1.4rem; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-section p { font-size: 0.92rem; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 10px; }
        .mt-2 { margin-top: 20px; }
        .mb-1 { margin-bottom: 10px; }
        .mb-2 { margin-bottom: 20px; }
        .gap-1 { gap: 10px; }
        .gap-2 { gap: 20px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* Foundation override */
        .grid-container { max-width: var(--max-width); padding-left: 20px; padding-right: 20px; }
        .cell { margin-bottom: 0; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #D32F2F;
            --color-primary-dark: #B71C1C;
            --color-primary-light: #EF5350;
            --color-secondary: #FF8F00;
            --color-secondary-light: #FFC107;
            --color-accent: #FF6F00;
            --color-bg: #F5F5F5;
            --color-bg-alt: #FFFFFF;
            --color-bg-dark: #1A1A2E;
            --color-bg-card: #FFFFFF;
            --color-text: #212121;
            --color-text-secondary: #616161;
            --color-text-light: #9E9E9E;
            --color-text-on-dark: #FFFFFF;
            --color-border: #E0E0E0;
            --color-border-light: #F0F0F0;
            --color-success: #43A047;
            --color-warning: #FF8F00;
            --color-error: #D32F2F;
            --color-tag-bg: #FFF3E0;
            --color-tag-text: #E65100;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.14);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.15s ease;
            --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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-primary);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--color-secondary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition-fast);
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--color-secondary-light);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

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

        /* ===== Foundation 覆写 ===== */
        .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;
            }
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .grid-padding-x .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(26, 26, 46, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--color-text-on-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--color-secondary);
            font-size: 1.4rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.9;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-main>a {
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main>a i {
            font-size: 0.9rem;
        }
        .nav-main>a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-main>a.active {
            color: #fff;
            background: var(--color-primary);
        }
        .nav-main>a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--color-secondary);
            border-radius: 4px;
        }
        .nav-main .nav-cta {
            background: var(--color-secondary);
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 143, 0, 0.3);
        }
        .nav-main .nav-cta:hover {
            background: var(--color-secondary-light) !important;
            box-shadow: 0 6px 24px rgba(255, 143, 0, 0.45);
            transform: translateY(-1px);
        }

        /* 下拉菜单 */
        .nav-dropdown-wrap {
            position: relative;
        }
        .nav-dropdown-wrap>a {
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }
        .nav-dropdown-wrap>a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 300px;
            background: rgba(30, 30, 50, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 2000;
            margin-top: 8px;
        }
        .nav-dropdown-wrap:hover .nav-dropdown {
            display: block;
        }
        .nav-dropdown h4 {
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .nav-dropdown-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }
        .nav-dropdown-item {
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-dropdown-item i {
            font-size: 0.85rem;
            color: var(--color-secondary);
            width: 20px;
            text-align: center;
        }
        .nav-dropdown-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* 移动端菜单按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .nav-main>a,
            .nav-dropdown-wrap>a {
                padding: 8px 14px;
                font-size: 0.88rem;
            }
            .nav-dropdown {
                min-width: 240px;
                right: 0;
                left: auto;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(26, 26, 46, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                display: none;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main>a,
            .nav-dropdown-wrap>a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-dropdown-wrap {
                width: 100%;
            }
            .nav-dropdown {
                position: static;
                background: transparent;
                box-shadow: none;
                border: none;
                padding: 8px 0 8px 16px;
                margin-top: 0;
                display: none;
                min-width: auto;
            }
            .nav-dropdown-wrap.open .nav-dropdown {
                display: block;
            }
            .nav-dropdown-grid {
                grid-template-columns: 1fr;
            }
            .nav-dropdown-item {
                padding: 10px 12px;
            }
            .nav-main .nav-cta {
                text-align: center;
                margin-top: 8px;
            }
            .site-logo {
                font-size: 1.35rem;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            margin-top: var(--header-height);
            min-height: 480px;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92), rgba(183, 28, 28, 0.75)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 0 70px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 143, 0, 0.2);
            border: 1px solid rgba(255, 143, 0, 0.3);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--color-secondary-light);
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }
        .hero-section h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.2;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .hero-section h1 i {
            color: var(--color-secondary);
        }
        .hero-section p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-secondary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 143, 0, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-secondary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 143, 0, 0.45);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(4px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, 0.4);
        }
        .hero-search {
            margin-top: 28px;
            display: flex;
            justify-content: center;
        }
        .hero-search-inner {
            display: flex;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            overflow: hidden;
            max-width: 460px;
            width: 100%;
        }
        .hero-search-inner input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 22px;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
        }
        .hero-search-inner input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-search-inner button {
            background: var(--color-primary);
            border: none;
            color: #fff;
            padding: 0 24px;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .hero-search-inner button:hover {
            background: var(--color-primary-dark);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 380px;
                padding: 60px 0 50px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section p {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-search-inner input {
                padding: 12px 16px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-sub {
            color: #fff;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-title i {
            color: var(--color-secondary);
        }
        .section-sub {
            text-align: center;
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto 44px;
            line-height: 1.7;
        }
        .section-dark .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片通用 ===== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--color-text);
        }
        .card-body h3 a:hover {
            color: var(--color-primary);
        }
        .card-body p {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card-tag-hot {
            background: #FFEBEE;
            color: #C62828;
        }
        .card-tag-live {
            background: #E8F5E9;
            color: #2E7D32;
        }
        .card-tag-live::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background: #43A047;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

        /* ===== 实时状态条 ===== */
        .live-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(211, 47, 47, 0.08);
            border: 1px solid rgba(211, 47, 47, 0.15);
            border-radius: var(--radius);
            padding: 12px 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .live-bar .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        .live-bar .live-dot i {
            font-size: 0.6rem;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        .live-bar .live-item {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 50px;
            white-space: nowrap;
        }
        .live-bar .live-item strong {
            color: var(--color-text);
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .live-bar {
                padding: 10px 14px;
                gap: 8px;
            }
            .live-bar .live-item {
                font-size: 0.78rem;
                padding: 3px 10px;
            }
        }

        /* ===== 赛事分类卡片 ===== */
        .cat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            padding: 28px 20px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 2px solid transparent;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-secondary-light);
        }
        .cat-card .cat-icon {
            font-size: 2.4rem;
            color: var(--color-primary);
            margin-bottom: 14px;
            display: block;
        }
        .cat-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .cat-card .cat-count {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--color-text-light);
            background: var(--color-bg);
            padding: 2px 14px;
            border-radius: 50px;
        }

        /* ===== 数据看板 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            padding: 32px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-secondary-light);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 1.6rem;
            color: rgba(255, 255, 255, 0.15);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .news-item .news-img {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .news-item .news-content h4 a {
            color: var(--color-text);
        }
        .news-item .news-content h4 a:hover {
            color: var(--color-primary);
        }
        .news-item .news-content p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .news-item .news-content .news-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .news-item .news-content .news-meta i {
            margin-right: 4px;
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                padding: 14px;
            }
            .news-item .news-img {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-secondary);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item h4 i {
            color: var(--color-secondary);
            font-size: 0.85rem;
        }
        .faq-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-left: 24px;
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .faq-item {
                padding: 16px 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-bg-dark));
            padding: 64px 0;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 50px;
            border: none;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form button {
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            background: var(--color-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(255, 143, 0, 0.3);
        }
        .cta-form button:hover {
            background: var(--color-secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 143, 0, 0.45);
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .cta-form button {
                width: 100%;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #111124;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 i {
            color: var(--color-secondary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-secondary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0 24px;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            color: var(--color-secondary-light);
            transform: scale(1.15);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 1024px) {
            .grid-x .cell.large-3 {
                width: 50%;
            }
            .grid-x .cell.large-4 {
                width: 50%;
            }
            .grid-x .cell.large-6 {
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .grid-x .cell.large-3,
            .grid-x .cell.large-4,
            .grid-x .cell.medium-6 {
                width: 100%;
            }
            .grid-x .cell.small-12 {
                width: 100%;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 143, 0, 0.4);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 143, 0, 0.6);
        }

        /* ===== 倒计时模块 ===== */
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            padding: 8px 20px 8px 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 16px;
        }
        .countdown-bar i {
            color: var(--color-secondary);
            font-size: 0.9rem;
        }
        .countdown-bar .cd-item {
            text-align: center;
            min-width: 36px;
        }
        .countdown-bar .cd-item .cd-num {
            font-size: 1.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .countdown-bar .cd-item .cd-label {
            font-size: 0.6rem;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .countdown-bar .cd-sep {
            color: rgba(255, 255, 255, 0.3);
            font-size: 1.2rem;
            font-weight: 300;
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #1a3c5e;
            --color-primary-light: #2a5a8a;
            --color-primary-dark: #0f2a42;
            --color-secondary: #e85d3a;
            --color-secondary-light: #f0795a;
            --color-secondary-dark: #c44a2a;
            --color-accent: #f5b342;
            --color-bg: #f7f9fc;
            --color-bg-alt: #eef2f7;
            --color-bg-dark: #1a2a3a;
            --color-text: #222e3a;
            --color-text-light: #5a6a7a;
            --color-text-muted: #8a9aaa;
            --color-border: #dce3ec;
            --color-white: #ffffff;
            --color-success: #3aaf6a;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-base: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-base);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--color-primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-secondary);
        }
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2rem;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--color-secondary);
            border-radius: 4px;
            margin-top: 8px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            max-width: 640px;
            margin-bottom: 40px;
        }
        .text-center .section-title::after {
            margin-left: auto;
            margin-right: auto;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Navigation ===== */
        .site-header {
            background: var(--color-white);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--color-secondary);
            font-size: 1.4rem;
        }
        .logo:hover {
            color: var(--color-primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-main>a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            position: relative;
        }
        .nav-main>a i {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: var(--transition);
        }
        .nav-main>a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .nav-main>a:hover i {
            color: var(--color-primary-light);
        }
        .nav-main>a.active {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .nav-main>a.active i {
            color: var(--color-white);
        }
        .nav-main>a.nav-cta {
            background: var(--color-secondary);
            color: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 8px 22px;
            font-weight: 600;
        }
        .nav-main>a.nav-cta i {
            color: var(--color-white);
        }
        .nav-main>a.nav-cta:hover {
            background: var(--color-secondary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* Dropdown */
        .nav-dropdown-wrap {
            position: relative;
        }
        .nav-dropdown-wrap>a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            cursor: pointer;
        }
        .nav-dropdown-wrap>a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .nav-dropdown {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 20px 24px;
            min-width: 360px;
            z-index: 500;
            border: 1px solid var(--color-border);
        }
        .nav-dropdown h4 {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-dropdown-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px 16px;
        }
        .nav-dropdown-item {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            color: var(--color-text);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-dropdown-item i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            width: 18px;
            text-align: center;
        }
        .nav-dropdown-item:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
            transform: translateX(4px);
        }
        .nav-dropdown-wrap:hover .nav-dropdown {
            display: block;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ===== Hero / Banner ===== */
        .category-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
            overflow: hidden;
            padding: 80px 20px 60px;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .banner-content h1 {
            font-size: 2.8rem;
            color: var(--color-white);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .banner-content h1 i {
            color: var(--color-secondary);
            margin-right: 10px;
        }
        .banner-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .banner-tags span {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .banner-tags span i {
            color: var(--color-accent);
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-text h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .intro-text p {
            color: var(--color-text-light);
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .intro-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .intro-text .highlight-list li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.98rem;
            color: var(--color-text);
        }
        .intro-text .highlight-list li i {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== Knowledge Cards ===== */
        .knowledge-section {
            background: var(--color-bg);
        }
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .knowledge-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            text-align: center;
        }
        .knowledge-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .knowledge-card .icon-box {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-white);
        }
        .knowledge-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .knowledge-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== Sports Programs ===== */
        .programs-section {
            background: var(--color-white);
        }
        .programs-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .program-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            background: var(--color-white);
        }
        .program-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .program-card .program-img {
            height: 200px;
            overflow: hidden;
        }
        .program-card .program-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .program-card:hover .program-img img {
            transform: scale(1.06);
        }
        .program-card .program-body {
            padding: 20px 22px 24px;
        }
        .program-card .program-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .program-card .program-body p {
            color: var(--color-text-light);
            font-size: 0.92rem;
            margin-bottom: 12px;
        }
        .program-card .program-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .program-card .program-meta i {
            margin-right: 4px;
        }
        .program-card .program-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: var(--radius-xl);
            background: var(--color-bg-alt);
            font-size: 0.78rem;
            color: var(--color-primary-light);
            font-weight: 500;
            margin-bottom: 10px;
        }

        /* ===== Stats / Data ===== */
        .stats-section {
            background: var(--color-primary);
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            opacity: 0.8;
            color: rgba(255, 255, 255, 0.9);
        }
        .stat-item i {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
            opacity: 0.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--color-white);
            transition: var(--transition);
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--color-secondary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-light);
            font-size: 0.95rem;
            display: none;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 80px 20px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            margin-bottom: 28px;
        }
        .cta-content .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: var(--radius-xl);
            background: var(--color-secondary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-content .btn-cta:hover {
            background: var(--color-secondary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(232, 93, 58, 0.4);
        }

        /* ===== Footer (shared) ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            color: var(--color-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 i {
            color: var(--color-secondary);
        }
        .footer-brand p {
            font-size: 0.92rem;
            opacity: 0.75;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            color: var(--color-white);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-secondary);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            opacity: 0.6;
        }
        .footer-bottom span {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            color: var(--color-secondary);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .knowledge-grid,
            .programs-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image img {
                height: 280px;
            }
            .banner-content h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main>a,
            .nav-dropdown-wrap>a {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-dropdown-wrap {
                width: 100%;
            }
            .nav-dropdown {
                position: static;
                box-shadow: none;
                border: none;
                padding: 8px 16px 8px 32px;
                min-width: auto;
                background: transparent;
                display: none;
            }
            .nav-dropdown-wrap.open .nav-dropdown {
                display: block;
            }
            .nav-dropdown-grid {
                grid-template-columns: 1fr;
            }
            .nav-dropdown h4 {
                color: var(--color-text-muted);
            }
            .nav-dropdown-item {
                color: var(--color-text);
            }

            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .knowledge-grid,
            .programs-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content p {
                font-size: 1rem;
            }
            .category-banner {
                min-height: 240px;
                padding: 60px 16px 40px;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .intro-text h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .banner-tags span {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .container {
                padding: 0 14px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
            .cta-content .btn-cta {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding: 12px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb span {
            color: var(--color-text-light);
        }
        .breadcrumb i {
            font-size: 0.6rem;
            color: var(--color-text-muted);
        }