/* roulang page: index */
:root {
    --color-dark: #0F1A2E;
    --color-medium: #1B3A5C;
    --color-gold: #D4A843;
    --color-goldlight: #E8C86A;
    --color-muted: #6B7B8D;
    --color-lightbg: #F5F7FA;
    --color-cardbg: #FFFFFF;
    --color-textdark: #1a1a2e;
    --color-textbody: #4a4a6a;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.12);
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif; background: var(--color-lightbg); color: var(--color-textbody); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* ===== 左侧导航 ===== */
.side-nav { position: fixed; top: 0; left: 0; width: 240px; height: 100vh; background: var(--color-dark); z-index: 1000; display: flex; flex-direction: column; transition: transform 0.3s ease; overflow-y: auto; }
.side-nav .logo-area { padding: 32px 24px 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.side-nav .logo-area .logo-text { font-size: 1.25rem; font-weight: 700; color: #fff; letter-spacing: 1px; line-height: 1.4; }
.side-nav .logo-area .logo-text span { color: var(--color-gold); }
.side-nav .nav-list { padding: 24px 16px; flex: 1; }
.side-nav .nav-list a { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; color: rgba(255,255,255,0.7); font-size: 0.95rem; font-weight: 500; transition: all 0.2s; margin-bottom: 4px; }
.side-nav .nav-list a i { width: 20px; text-align: center; font-size: 1.1rem; }
.side-nav .nav-list a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.side-nav .nav-list a.active { background: rgba(212,168,67,0.15); color: var(--color-gold); }
.side-nav .nav-footer { padding: 20px 24px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 0.75rem; color: rgba(255,255,255,0.35); text-align: center; }

/* ===== 主内容区 ===== */
.main-content { margin-left: 240px; min-height: 100vh; }

/* ===== 移动端顶部导航 ===== */
.mobile-header { display: none; position: fixed; top: 0; left: 0; right: 0; height: 60px; background: var(--color-dark); z-index: 999; padding: 0 16px; align-items: center; justify-content: space-between; }
.mobile-header .logo-text { font-size: 1.1rem; font-weight: 700; color: #fff; }
.mobile-header .logo-text span { color: var(--color-gold); }
.mobile-header .menu-btn { background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 8px; border-radius: 8px; }
.mobile-header .menu-btn:hover { background: rgba(255,255,255,0.1); }
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; }
.mobile-overlay.open { display: block; }
.side-nav.open { transform: translateX(0); }

/* ===== Hero ===== */
.hero-section { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-section .hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; filter: brightness(0.55); }
.hero-section .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,26,46,0.85) 0%, rgba(27,58,92,0.6) 100%); }
.hero-section .hero-content { position: relative; z-index: 2; text-align: center; padding: 60px 24px; max-width: 800px; }
.hero-section .hero-content h1 { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 20px; letter-spacing: 1px; }
.hero-section .hero-content h1 span { color: var(--color-gold); }
.hero-section .hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.8; }
.hero-section .hero-content .hero-tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 28px; }
.hero-section .hero-content .hero-tags span { background: rgba(255,255,255,0.12); backdrop-filter: blur(4px); padding: 6px 18px; border-radius: 20px; font-size: 0.85rem; color: rgba(255,255,255,0.9); border: 1px solid rgba(255,255,255,0.08); }
.hero-section .hero-content .btn-group { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.hero-section .hero-content .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px; background: var(--color-gold); color: var(--color-dark); font-weight: 700; font-size: 1rem; border-radius: 50px; transition: all 0.3s; border: none; cursor: pointer; }
.hero-section .hero-content .btn-primary:hover { background: var(--color-goldlight); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,168,67,0.35); }
.hero-section .hero-content .btn-outline { display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px; background: transparent; color: #fff; font-weight: 600; font-size: 1rem; border-radius: 50px; border: 2px solid rgba(255,255,255,0.3); transition: all 0.3s; cursor: pointer; }
.hero-section .hero-content .btn-outline:hover { border-color: var(--color-gold); color: var(--color-gold); background: rgba(212,168,67,0.08); }

/* ===== 通用板块 ===== */
.section-block { padding: 80px 0; }
.section-block.bg-white { background: #fff; }
.section-block.bg-dark { background: var(--color-dark); }
.section-block .section-title { text-align: center; margin-bottom: 48px; }
.section-block .section-title h2 { font-size: 2rem; font-weight: 800; color: var(--color-textdark); margin-bottom: 12px; letter-spacing: 0.5px; }
.section-block .section-title h2 i { color: var(--color-gold); margin-right: 8px; }
.section-block .section-title p { font-size: 1.05rem; color: var(--color-muted); max-width: 600px; margin: 0 auto; }
.section-block .section-title .title-line { width: 60px; height: 4px; background: var(--color-gold); border-radius: 2px; margin: 16px auto 0; }

/* ===== 优势卡片 ===== */
.advantage-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.advantage-card { background: #fff; border-radius: var(--radius-xl); padding: 36px 28px; box-shadow: var(--shadow-card); transition: all 0.3s; text-align: center; border: 1px solid rgba(0,0,0,0.04); }
.advantage-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-6px); }
.advantage-card .icon-wrap { width: 64px; height: 64px; border-radius: 16px; background: rgba(212,168,67,0.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 1.8rem; color: var(--color-gold); }
.advantage-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--color-textdark); margin-bottom: 10px; }
.advantage-card p { font-size: 0.92rem; color: var(--color-muted); line-height: 1.7; }

/* ===== 分类卡片 ===== */
.category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.category-card { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-card); transition: all 0.3s; background: #fff; }
.category-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.category-card .card-img { height: 180px; overflow: hidden; }
.category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.category-card:hover .card-img img { transform: scale(1.08); }
.category-card .card-body { padding: 20px; text-align: center; }
.category-card .card-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-textdark); margin-bottom: 6px; }
.category-card .card-body p { font-size: 0.85rem; color: var(--color-muted); }
.category-card .card-body .cat-tag { display: inline-block; margin-top: 10px; padding: 4px 16px; background: rgba(212,168,67,0.12); color: var(--color-gold); font-size: 0.8rem; border-radius: 20px; font-weight: 600; }

/* ===== 资讯列表 ===== */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item { display: flex; gap: 20px; background: #fff; border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-card); transition: all 0.3s; }
.news-item:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.news-item .news-img { width: 180px; min-height: 120px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.news-item .news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-item .news-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-item .news-info .news-cat { display: inline-block; padding: 2px 12px; background: rgba(212,168,67,0.12); color: var(--color-gold); font-size: 0.75rem; border-radius: 12px; font-weight: 600; margin-bottom: 8px; width: fit-content; }
.news-item .news-info h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-textdark); margin-bottom: 8px; line-height: 1.5; }
.news-item .news-info h3 a:hover { color: var(--color-gold); }
.news-item .news-info p { font-size: 0.88rem; color: var(--color-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .news-info .news-meta { display: flex; align-items: center; gap: 16px; margin-top: 10px; font-size: 0.8rem; color: #9aa8b7; }
.news-item .news-info .news-meta i { margin-right: 4px; }
.news-empty { text-align: center; padding: 48px 24px; color: var(--color-muted); font-size: 1rem; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }

/* ===== 数据看板 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,0.08); transition: all 0.3s; }
.stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.stat-card .stat-number { font-size: 2.6rem; font-weight: 800; color: var(--color-gold); line-height: 1.2; margin-bottom: 6px; }
.stat-card .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.7); font-weight: 500; }

/* ===== 流程步骤 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; }
.step-card { text-align: center; position: relative; }
.step-card .step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--color-gold); color: var(--color-dark); font-size: 1.4rem; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; position: relative; z-index: 2; }
.step-card .step-label { font-size: 1.05rem; font-weight: 700; color: var(--color-textdark); margin-bottom: 8px; }
.step-card .step-desc { font-size: 0.88rem; color: var(--color-muted); line-height: 1.6; }
.step-card::after { content: '→'; position: absolute; top: 16px; right: -20px; font-size: 1.6rem; color: var(--color-gold); font-weight: 300; }
.step-card:last-child::after { display: none; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow: hidden; transition: all 0.3s; }
.faq-item:hover { box-shadow: var(--shadow-card-hover); }
.faq-item .faq-question { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--color-textdark); font-size: 1rem; gap: 12px; }
.faq-item .faq-question i { color: var(--color-gold); font-size: 1.1rem; transition: transform 0.3s; }
.faq-item .faq-question .faq-toggle { font-size: 0.9rem; color: var(--color-muted); }
.faq-item .faq-answer { padding: 0 24px 20px; color: var(--color-muted); font-size: 0.92rem; line-height: 1.7; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question i { transform: rotate(90deg); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-medium) 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; }
.cta-section .cta-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; padding: 0 24px; }
.cta-section h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; color: rgba(255,255,255,0.75); margin-bottom: 32px; line-height: 1.7; }
.cta-section .btn-cta { display: inline-flex; align-items: center; gap: 10px; padding: 16px 44px; background: var(--color-gold); color: var(--color-dark); font-weight: 700; font-size: 1.05rem; border-radius: 50px; transition: all 0.3s; border: none; cursor: pointer; }
.cta-section .btn-cta:hover { background: var(--color-goldlight); transform: translateY(-2px); box-shadow: 0 10px 40px rgba(212,168,67,0.3); }

/* ===== 页脚 ===== */
.site-footer { background: var(--color-dark); padding: 48px 0 24px; color: rgba(255,255,255,0.6); }
.site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.site-footer .footer-brand .logo-text { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; display: block; }
.site-footer .footer-brand .logo-text span { color: var(--color-gold); }
.site-footer .footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 300px; }
.site-footer .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.site-footer .footer-col a { display: block; padding: 4px 0; font-size: 0.88rem; color: rgba(255,255,255,0.5); transition: all 0.2s; }
.site-footer .footer-col a:hover { color: var(--color-gold); padding-left: 4px; }
.site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.82rem; }
.site-footer .footer-bottom .social-links { display: flex; gap: 12px; }
.site-footer .footer-bottom .social-links a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); transition: all 0.2s; }
.site-footer .footer-bottom .social-links a:hover { background: var(--color-gold); color: var(--color-dark); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .side-nav { transform: translateX(-100%); }
    .side-nav.open { transform: translateX(0); }
    .mobile-header { display: flex; }
    .main-content { margin-left: 0; padding-top: 60px; }
    .advantage-grid { grid-template-columns: repeat(2,1fr); }
    .category-grid { grid-template-columns: repeat(2,1fr); }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .steps-grid { grid-template-columns: repeat(2,1fr); gap: 20px; }
    .step-card::after { display: none; }
    .site-footer .footer-grid { grid-template-columns: repeat(2,1fr); gap: 32px; }
    .hero-section .hero-content h1 { font-size: 2.2rem; }
}
@media (max-width: 640px) {
    .advantage-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
    .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .hero-section { min-height: 400px; }
    .hero-section .hero-content h1 { font-size: 1.6rem; }
    .hero-section .hero-content p { font-size: 1rem; }
    .hero-section .hero-content .btn-primary,
    .hero-section .hero-content .btn-outline { padding: 12px 24px; font-size: 0.9rem; }
    .section-block { padding: 48px 0; }
    .section-block .section-title h2 { font-size: 1.5rem; }
    .news-item { flex-direction: column; }
    .news-item .news-img { width: 100%; height: 160px; }
    .stat-card .stat-number { font-size: 2rem; }
    .site-footer .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 420px) {
    .steps-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #dc2626;
            --primary-dark: #b91c1c;
            --primary-light: #fef2f2;
            --secondary: #1e293b;
            --secondary-light: #334155;
            --accent: #f59e0b;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
            --shadow-hover: 0 8px 32px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

        /* ===== Sidebar Navigation (Desktop) ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-card);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 28px 0 20px;
            box-shadow: 2px 0 20px rgba(0,0,0,0.04);
            transition: transform var(--transition);
        }
        .side-nav .logo-area {
            padding: 0 24px 24px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 20px;
        }
        .side-nav .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .side-nav .logo-text span {
            color: var(--secondary);
            font-weight: 700;
            display: block;
            font-size: 16px;
            letter-spacing: 0.5px;
        }
        .side-nav .nav-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 12px;
            overflow-y: auto;
        }
        .side-nav .nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .side-nav .nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .side-nav .nav-list a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .side-nav .nav-list a:hover i { color: var(--primary); }
        .side-nav .nav-list a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(220,38,38,0.3);
        }
        .side-nav .nav-list a.active i { color: #fff; }
        .side-nav .nav-footer {
            padding: 16px 24px 0;
            border-top: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            z-index: 200;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .mobile-header .mobile-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .mobile-header .mobile-logo span {
            color: var(--secondary);
            font-weight: 600;
            font-size: 14px;
            display: block;
        }
        .mobile-header .hamburger {
            width: 40px;
            height: 40px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 20px;
            color: var(--text-secondary);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .mobile-header .hamburger:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .mobile-nav-dropdown {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-card);
            border-bottom: 2px solid var(--border);
            box-shadow: 0 12px 32px rgba(0,0,0,0.1);
            z-index: 199;
            padding: 12px 20px 20px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-nav-dropdown.open { display: block; }
        .mobile-nav-dropdown a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .mobile-nav-dropdown a i {
            width: 20px;
            text-align: center;
            color: var(--text-muted);
        }
        .mobile-nav-dropdown a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav-dropdown a.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-nav-dropdown a.active i { color: #fff; }

        /* ===== Main Content ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            padding-top: 0;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--secondary) 0%, #0f172a 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.6) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .article-hero .hero-category {
            display: inline-block;
            padding: 6px 18px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(220,38,38,0.35);
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            max-width: 900px;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: rgba(255,255,255,0.7);
            font-size: 14px;
        }
        .article-hero .hero-meta i {
            margin-right: 6px;
            color: var(--primary);
        }
        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
        }

        /* ===== Article Content ===== */
        .article-body {
            padding: 50px 0 60px;
            background: var(--bg-body);
        }
        .article-body .article-inner {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .article-body .article-inner p {
            margin-bottom: 1.6em;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .article-inner h2 {
            font-size: 26px;
            margin: 1.8em 0 0.8em;
            color: var(--text-primary);
            font-weight: 700;
            border-left: 4px solid var(--primary);
            padding-left: 18px;
        }
        .article-body .article-inner h3 {
            font-size: 21px;
            margin: 1.5em 0 0.6em;
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body .article-inner img {
            border-radius: var(--radius);
            margin: 1.5em auto;
            box-shadow: var(--shadow);
        }
        .article-body .article-inner blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 18px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .article-inner ul, 
        .article-body .article-inner ol {
            margin: 1.2em 0;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-body .article-inner li {
            margin-bottom: 0.5em;
            line-height: 1.7;
        }
        .article-body .article-inner ul li { list-style: disc; }
        .article-body .article-inner ol li { list-style: decimal; }
        .article-body .article-inner a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body .article-inner a:hover { color: var(--primary-dark); }

        /* ===== Article Not Found ===== */
        .not-found-box {
            max-width: 600px;
            margin: 60px auto;
            text-align: center;
            padding: 60px 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .not-found-box .nf-icon {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 16px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(220,38,38,0.3);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220,38,38,0.4);
        }

        /* ===== Article Info Panel ===== */
        .article-info-panel {
            padding: 0 0 40px;
            background: var(--bg-body);
        }
        .article-info-panel .info-card {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
        }
        .article-info-panel .info-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .article-info-panel .info-item i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            font-size: 16px;
        }
        .article-info-panel .info-item .label {
            color: var(--text-muted);
            margin-right: 4px;
        }

        /* ===== Article Nav Links ===== */
        .article-nav-links {
            padding: 0 0 60px;
            background: var(--bg-body);
        }
        .article-nav-links .nav-links-inner {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .article-nav-links .nav-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .article-nav-links .nav-link-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .article-nav-links .nav-link-btn.primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-nav-links .nav-link-btn.primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
        }

        /* ===== Featured / CTA Section ===== */
        .article-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .article-cta .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .article-cta h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .article-cta p {
            color: rgba(255,255,255,0.75);
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .article-cta .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .article-cta .cta-btn {
            padding: 16px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-cta .cta-btn.primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(220,38,38,0.4);
        }
        .article-cta .cta-btn.primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(220,38,38,0.5);
        }
        .article-cta .cta-btn.outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.3);
        }
        .article-cta .cta-btn.outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            transform: translateY(-2px);
        }

        /* ===== Site Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 60px 0 0;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            display: block;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .site-footer .logo-text span {
            color: #e2e8f0;
            font-weight: 600;
            font-size: 16px;
            display: block;
        }
        .site-footer .footer-brand p {
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .site-footer .footer-col a i {
            width: 20px;
            margin-right: 6px;
            color: var(--primary);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }
        .site-footer .social-links {
            display: flex;
            gap: 12px;
        }
        .site-footer .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 1023px) {
            :root { --sidebar-width: 0; }
            .side-nav { transform: translateX(-100%); display: none; }
            .mobile-header { display: flex; }
            .main-content { margin-left: 0; padding-top: 64px; }
            .article-hero { padding: 48px 0 40px; min-height: 260px; }
            .article-hero h1 { font-size: 28px; }
            .article-body .article-inner { padding: 32px 24px; }
            .article-body .article-inner p { font-size: 16px; }
            .article-info-panel .info-card { padding: 20px 24px; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }

        @media (max-width: 767px) {
            .article-hero { padding: 36px 0 32px; min-height: 200px; }
            .article-hero h1 { font-size: 22px; }
            .article-hero .hero-meta { gap: 12px; font-size: 13px; flex-wrap: wrap; }
            .article-body { padding: 28px 0 36px; }
            .article-body .article-inner { padding: 24px 16px; border-radius: var(--radius); }
            .article-body .article-inner p { font-size: 15px; }
            .article-body .article-inner h2 { font-size: 20px; }
            .article-body .article-inner h3 { font-size: 18px; }
            .article-info-panel { padding: 0 0 24px; }
            .article-info-panel .info-card { padding: 16px 20px; gap: 16px; flex-direction: column; }
            .article-nav-links { padding: 0 0 36px; }
            .article-nav-links .nav-links-inner { flex-direction: column; align-items: stretch; }
            .article-nav-links .nav-link-btn { justify-content: center; }
            .article-cta { padding: 40px 0; }
            .article-cta h2 { font-size: 24px; }
            .article-cta p { font-size: 15px; }
            .article-cta .cta-btns { flex-direction: column; align-items: center; }
            .site-footer { padding: 40px 0 0; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
            .not-found-box { margin: 40px 16px; padding: 40px 20px; }
            .not-found-box .nf-icon { font-size: 48px; }
            .not-found-box h2 { font-size: 22px; }
        }

        @media (max-width: 480px) {
            .article-hero h1 { font-size: 19px; }
            .article-hero .hero-category { font-size: 12px; padding: 4px 14px; }
            .article-body .article-inner { padding: 18px 12px; }
            .article-body .article-inner p { font-size: 14px; }
            .article-cta h2 { font-size: 20px; }
            .article-cta .cta-btn { padding: 12px 24px; font-size: 14px; width: 100%; justify-content: center; }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-body); }
        ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

        /* ===== Focus ===== */
        a:focus-visible, button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #1e40af;
            --primary-dark: #16255a;
            --primary-light: #dbeafe;
            --accent: #dc2626;
            --accent-light: #fee2e2;
            --gray-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --text-light: #94a3b8;
            --border-light: #e2e8f0;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--gray-bg);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* 左侧竖向导航 */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--primary-dark);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: var(--transition);
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0,0,0,0.2);
        }
        .side-nav .logo-area {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .side-nav .logo-text {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            line-height: 1.3;
        }
        .side-nav .logo-text span {
            color: #fbbf24;
            font-weight: 600;
        }
        .side-nav .nav-list {
            flex: 1;
            padding: 20px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .side-nav .nav-list a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.75);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .side-nav .nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-nav .nav-list a:hover {
            background: rgba(255,255,255,0.1);
            color: #fff;
        }
        .side-nav .nav-list a.active {
            background: rgba(255,255,255,0.15);
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 #fbbf24;
        }
        .side-nav .nav-list a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: #fbbf24;
            border-radius: 0 4px 4px 0;
        }
        .side-nav .nav-footer {
            padding: 16px 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            text-align: center;
        }

        /* 主内容区 */
        .main-content {
            margin-left: 240px;
            min-height: 100vh;
        }

        /* 移动端导航切换 */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 16px;
            z-index: 1100;
            background: var(--primary-dark);
            color: #fff;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 999;
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
                width: 260px;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-overlay.active {
                display: block;
            }
        }

        /* 通用板块 */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 640px;
        }
        .section-divider {
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px 0 24px;
        }

        /* Hero */
        .hero-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 24px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22,37,90,0.88) 0%, rgba(30,64,175,0.72) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(6px);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 13px;
            color: #fbbf24;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.12);
        }
        .hero-banner h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.2);
        }
        .hero-banner p {
            font-size: 18px;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-banner .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 卡片 */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .card-footer {
            padding: 12px 22px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-light);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(220,38,38,0.35);
        }
        .btn-primary:hover {
            background: #b91c1c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220,38,38,0.4);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .grid-3, .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* 统计数字 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-item .num {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .num {
                font-size: 28px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--primary-light);
        }
        .faq-question i {
            transition: transform 0.3s;
            color: var(--text-light);
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 72px 24px;
            text-align: center;
            border-radius: var(--radius-lg);
            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: 0.1;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand .logo-text span {
            color: #fbbf24;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            color: rgba(255,255,255,0.6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .social-links {
            display: flex;
            gap: 18px;
        }
        .footer-bottom .social-links a {
            color: rgba(255,255,255,0.5);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-bottom .social-links a:hover {
            color: #fff;
            transform: scale(1.15);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            padding: 20px 0 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--text-muted);
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .tag-outline {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text-muted);
        }
        .tag-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* 图文列表 */
        .media-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .media-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: flex-start;
        }
        .media-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .media-item img {
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .media-item .info {
            flex: 1;
        }
        .media-item .info h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .media-item .info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .media-item .info .meta {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 8px;
            display: flex;
            gap: 16px;
        }
        @media (max-width: 640px) {
            .media-item {
                flex-direction: column;
            }
            .media-item img {
                width: 100%;
                height: 180px;
            }
        }

        /* 特色板块背景 */
        .section-bg-alt {
            background: var(--card-bg);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        /* 内容区间距 */
        .py-section {
            padding: 72px 0;
        }
        @media (max-width: 640px) {
            .py-section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-banner h1 {
                font-size: 28px;
            }
            .hero-banner p {
                font-size: 15px;
            }
        }

        /* 流程图 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .flow-step {
            text-align: center;
            padding: 28px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .flow-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .flow-step h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .flow-step::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            color: var(--text-light);
        }
        .flow-step:last-child::after {
            display: none;
        }
        @media (max-width: 768px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-step::after {
                display: none;
            }
        }
        @media (max-width: 480px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        /* 精选推荐 */
        .featured-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
        }
        .featured-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 60%);
            z-index: 1;
        }
        .featured-card .featured-body {
            position: relative;
            z-index: 2;
            padding: 28px;
            color: #fff;
        }
        .featured-card .featured-body .tag {
            background: rgba(255,255,255,0.2);
            color: #fff;
            border: none;
        }
        .featured-card .featured-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 10px 0 6px;
        }
        .featured-card .featured-body p {
            font-size: 14px;
            opacity: 0.85;
            max-width: 400px;
        }