/* roulang page: index */
:root {
            --primary: #1c2b4e;
            --primary-light: #2b4378;
            --primary-dark: #111a30;
            --accent: #f0a63d;
            --accent-dark: #d88a1e;
            --accent-light: #fcead2;
            --bg: #f6f8fc;
            --bg-white: #ffffff;
            --bg-dark: #131d33;
            --text: #17203a;
            --text-muted: #56607d;
            --text-light: #8a93b2;
            --border: #e2e7f0;
            --border-dark: #c8d0e2;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(18, 28, 58, 0.06);
            --shadow-md: 0 10px 32px rgba(18, 28, 58, 0.10);
            --shadow-lg: 0 20px 60px rgba(18, 28, 58, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font-family: inherit; }
        .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
        .section { padding: 88px 0; }
        .section-sm { padding: 56px 0; }
        .section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
        .section-head .eyebrow { display: inline-block; background: var(--accent-light); color: var(--accent-dark); font-size: 13px; font-weight: 700; letter-spacing: 2px; padding: 6px 18px; border-radius: 40px; text-transform: uppercase; margin-bottom: 16px; }
        .section-head h2 { font-size: 36px; line-height: 1.3; font-weight: 800; color: var(--text); margin: 0 0 12px; }
        .section-head p { font-size: 17px; color: var(--text-muted); margin: 0; }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 50px; font-weight: 600; font-size: 15px; padding: 13px 30px; border: 2px solid transparent; cursor: pointer; transition: var(--transition); line-height: 1.4; }
        .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(240, 166, 61, 0.35); }
        .btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(216, 138, 30, 0.4); }
        .btn-ghost { background: transparent; color: var(--primary); border-color: var(--border-dark); }
        .btn-ghost:hover { background: rgba(28, 43, 78, 0.04); color: var(--primary); transform: translateY(-2px); }
        .btn-white { background: #fff; color: var(--primary); box-shadow: 0 6px 22px rgba(0, 0, 0, 0.12); }
        .btn-white:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 9px 22px; font-size: 14px; }
        .btn-lg { padding: 16px 40px; font-size: 16px; }
        .btn:focus-visible, .nav-toggle:focus-visible, a:focus-visible { outline: 3px solid rgba(240, 166, 61, 0.5); outline-offset: 3px; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(18, 28, 58, 0.05);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 24px; }
        .brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .brand-mark {
            width: 40px; height: 40px; border-radius: 12px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex; align-items: center; justify-content: center;
            color: #fff; font-size: 20px; font-weight: 900;
            box-shadow: 0 4px 14px rgba(28, 43, 78, 0.25);
        }
        .brand-text { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
        .main-nav { display: flex; align-items: center; gap: 4px; }
        .main-nav a {
            padding: 9px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .main-nav a:hover { background: rgba(28, 43, 78, 0.05); color: var(--primary); }
        .main-nav a.active { background: var(--primary); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(28, 43, 78, 0.2); }
        .header-actions { display: flex; align-items: center; gap: 14px; }
        .search-box {
            display: flex; align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0 8px 0 16px;
            height: 42px;
            width: 220px;
            transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(240, 166, 61, 0.12); background: #fff; }
        .search-box i { color: var(--text-light); font-size: 14px; margin-right: 8px; }
        .search-box input { border: none; background: transparent; outline: none; font-size: 14px; color: var(--text); width: 100%; }
        .nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 16px; color: var(--primary); cursor: pointer; transition: var(--transition); }
        .nav-toggle:hover { background: var(--bg); }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(18, 26, 46, 0.88), rgba(28, 43, 78, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 130px 0 110px;
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -40px; right: -40px;
            width: 360px; height: 360px;
            border-radius: 50%;
            background: rgba(240, 166, 61, 0.12);
            filter: blur(80px);
        }
        .hero-inner { position: relative; max-width: 840px; }
        .hero .eyebrow {
            display: inline-block;
            background: rgba(240, 166, 61, 0.22);
            border: 1px solid rgba(240, 166, 61, 0.35);
            color: #fdd7a8;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 40px;
            margin-bottom: 28px;
        }
        .hero h1 { font-size: 50px; line-height: 1.2; font-weight: 900; margin: 0 0 24px; letter-spacing: -1px; }
        .hero h1 span { color: var(--accent); }
        .hero .hero-sub { font-size: 18px; color: rgba(255, 255, 255, 0.85); max-width: 660px; line-height: 1.8; margin-bottom: 38px; }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.15); flex-wrap: wrap; }
        .hero-stat { display: flex; flex-direction: column; }
        .hero-stat .num { font-size: 28px; font-weight: 800; color: #fff; }
        .hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

        /* ===== Feature Cards ===== */
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(240, 166, 61, 0.3); }
        .feature-icon {
            width: 60px; height: 60px;
            border-radius: 16px;
            display: flex; align-items: center; justify-content: center;
            font-size: 24px;
            margin-bottom: 22px;
            background: var(--accent-light);
            color: var(--accent-dark);
        }
        .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
        .feature-card p { font-size: 15px; color: var(--text-muted); margin: 0; line-height: 1.75; }
        .feature-card .badge-row { margin-top: 18px; display: flex; gap: 8px; flex-wrap: wrap; }

        /* ===== Badges / Tags ===== */
        .tag {
            display: inline-flex; align-items: center; gap: 5px;
            background: var(--bg); border: 1px solid var(--border);
            font-size: 12px; font-weight: 600; color: var(--text-muted);
            padding: 4px 12px; border-radius: 30px;
            transition: var(--transition);
        }
        .tag-accent { background: var(--accent-light); color: var(--accent-dark); border-color: rgba(240, 166, 61, 0.2); }
        .tag-primary { background: rgba(28, 43, 78, 0.08); color: var(--primary); border-color: rgba(28, 43, 78, 0.12); }

        /* ===== Category Cards ===== */
        .cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
        .cat-card .cat-img { position: relative; height: 200px; overflow: hidden; }
        .cat-card .cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .cat-card:hover .cat-img img { transform: scale(1.05); }
        .cat-card .cat-body { padding: 28px 26px 30px; }
        .cat-card .cat-tag { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.95); backdrop-filter: blur(6px); border-radius: 30px; padding: 5px 14px; font-size: 12px; font-weight: 700; color: var(--primary); box-shadow: 0 4px 12px rgba(0,0,0,0.12); }
        .cat-card h3 { font-size: 21px; font-weight: 700; margin: 0 0 10px; }
        .cat-card h3 a { color: var(--text); }
        .cat-card h3 a:hover { color: var(--accent-dark); }
        .cat-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin: 0 0 18px; }
        .cat-link { font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
        .cat-link i { font-size: 12px; transition: transform 0.3s; }
        .cat-link:hover i { transform: translateX(4px); }

        /* ===== News / CMS List ===== */
        .news-wrapper { display: grid; grid-template-columns: 1fr 380px; gap: 32px; align-items: start; }
        .news-list { display: flex; flex-direction: column; gap: 20px; }
        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            transition: var(--transition);
        }
        .news-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: rgba(240, 166, 61, 0.3); }
        .news-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
        .news-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
        .news-card h3 a { color: var(--text); }
        .news-card h3 a:hover { color: var(--accent-dark); }
        .news-card p { font-size: 14px; color: var(--text-muted); margin: 0 0 14px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card time { font-size: 13px; color: var(--text-light); }
        .text-link { font-size: 14px; font-weight: 600; color: var(--accent-dark); display: inline-flex; align-items: center; gap: 6px; }
        .text-link:hover { gap: 10px; }
        .empty-tip { background: var(--bg-white); border: 1px dashed var(--border-dark); border-radius: var(--radius-md); padding: 40px; text-align: center; color: var(--text-muted); }
        .news-sidebar { display: flex; flex-direction: column; gap: 24px; }
        .sidebar-card { background: linear-gradient(160deg, var(--bg-dark), var(--primary-dark)); border-radius: var(--radius-lg); padding: 34px 30px; color: #fff; box-shadow: var(--shadow-md); }
        .sidebar-card h3 { font-size: 20px; font-weight: 700; margin: 0 0 10px; color: #fff; }
        .sidebar-card p { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 20px; }
        .sidebar-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
        .sidebar-card ul li { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 14px; display: flex; align-items: center; gap: 10px; }
        .sidebar-card ul li i { color: var(--accent); font-size: 12px; }
        .sidebar-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
        .sidebar-img img { width: 100%; height: 220px; object-fit: cover; }

        /* ===== Stats ===== */
        .stats-section { background: linear-gradient(135deg, var(--bg-dark), var(--primary-dark)); border-radius: var(--radius-lg); padding: 60px 50px; color: #fff; position: relative; overflow: hidden; }
        .stats-section::before { content: ''; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; background: rgba(240,166,61,0.12); border-radius: 50%; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
        .stat-item { text-align: center; padding: 10px; }
        .stat-item .num { font-size: 44px; font-weight: 900; color: var(--accent); line-height: 1.2; }
        .stat-item .label { font-size: 15px; color: rgba(255,255,255,0.7); margin-top: 6px; }

        /* ===== Steps ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
        .steps-grid::before { content: ''; position: absolute; top: 40px; left: 8%; right: 8%; height: 2px; background: var(--border); }
        .step-item { text-align: center; position: relative; background: var(--bg-white); border-radius: var(--radius-lg); padding: 32px 22px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); }
        .step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-num { width: 48px; height: 48px; margin: 0 auto 18px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(28,43,78,0.3); position: relative; z-index: 1; }
        .step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
        .step-item p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.7; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
        .faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; cursor: pointer; transition: var(--transition); }
        .faq-item:hover { border-color: rgba(240, 166, 61, 0.4); box-shadow: var(--shadow-sm); }
        .faq-item summary { display: flex; align-items: center; justify-content: space-between; font-size: 17px; font-weight: 600; color: var(--text); list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; color: var(--accent-dark); transition: transform 0.3s; }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item .faq-answer { padding-top: 14px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

        /* ===== CTA ===== */
        .cta-section { background: linear-gradient(135deg, rgba(18,26,46,0.9), rgba(28,43,78,0.8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; border-radius: var(--radius-lg); padding: 80px 60px; text-align: center; color: #fff; position: relative; overflow: hidden; }
        .cta-section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; color: #fff; }
        .cta-section p { font-size: 17px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 32px; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer { background: var(--bg-dark); color: #8a93b2; padding: 64px 0 0; }
        .footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
        .footer-brand .brand { margin-bottom: 16px; }
        .footer-brand .brand .brand-text { color: #fff; }
        .footer-brand p { font-size: 14px; line-height: 1.8; color: #8a93b2; }
        .footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: #8a93b2; font-size: 14px; }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
        .footer-bottom p { font-size: 13px; margin: 0; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .news-wrapper { grid-template-columns: 1fr; }
            .feature-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .steps-grid::before { display: none; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 768px) {
            .site-header { height: auto; }
            .header-inner { flex-wrap: wrap; height: auto; padding: 16px 0; }
            .main-nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px 0; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; }
            .search-box { display: none; }
            .nav-toggle { display: block; }
            .header-actions .btn-primary { display: none; }
            .hero { padding: 90px 0 70px; }
            .hero h1 { font-size: 34px; }
            .hero .hero-sub { font-size: 16px; }
            .section { padding: 60px 0; }
            .section-head h2 { font-size: 28px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .cta-section { padding: 50px 28px; }
            .cta-section h2 { font-size: 28px; }
            .footer-top { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 18px; }
            .feature-grid, .cat-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stats-section { padding: 40px 20px; }
            .stat-item .num { font-size: 32px; }
            .steps-grid { grid-template-columns: 1fr; }
            .hero-actions .btn { width: 100%; }
            .hero-stats { gap: 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .news-card { padding: 22px 20px; }
            .search-box { display: none; }
        }
        @media (min-width: 769px) {
            .main-nav { display: flex !important; }
        }

/* roulang page: category1 */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #eef2ff;
    --accent: #f59e0b;
    --accent-light: #fef3c7;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
    --space-section: 96px;
    --space-block: 48px;
}

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

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg) !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--primary);
}

ul,
ol {
    list-style: none;
}

button,
input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ========== 导航栏 ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    border-radius: 12px;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(79, 70, 229, .3);
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .5px;
    color: var(--text);
    white-space: nowrap;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav a {
    padding: 10px 16px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 10px;
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.main-nav a.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(79, 70, 229, .12);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px 16px;
    width: 210px;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}

.search-box i {
    color: var(--text-light);
    font-size: 13px;
}

.search-box input {
    width: 100%;
    font-size: 13px;
    background: transparent;
    color: var(--text);
}

.search-box input::placeholder {
    color: var(--text-light);
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text);
    background: var(--bg);
    border-radius: 10px;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.nav-toggle:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.2;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 14px rgba(79, 70, 229, .3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, .4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
}

/* ========== Hero 横幅 ========== */
.page-hero {
    position: relative;
    padding: 68px 0 72px;
    background:
        linear-gradient(to bottom, rgba(248, 250, 252, .85), rgba(248, 250, 252, .95)),
        center/cover no-repeat;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: .15;
    z-index: 0;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 40px;
    margin-bottom: 16px;
    letter-spacing: .3px;
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-hero p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 28px;
}

.page-hero .hero-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-stat {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .85);
    border: 1px solid var(--border);
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb i {
    font-size: 10px;
}

/* ========== 通用板块 ========== */
.section {
    padding: var(--space-section) 0;
}

.section-sm {
    padding: 56px 0;
}

.section-head {
    max-width: 720px;
    margin-bottom: 48px;
}

.section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-head .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 40px;
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -.5px;
    color: var(--text);
    margin-bottom: 12px;
}

.section-head p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========== 服务承诺卡片 ========== */
.promise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.promise-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.promise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #7c3aed);
    opacity: 0;
    transition: var(--transition);
}

.promise-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, .2);
}

.promise-card:hover::before {
    opacity: 1;
}

.promise-card .icon-wrap {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 14px;
    font-size: 22px;
    margin-bottom: 20px;
}

.promise-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
}

.promise-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ========== 服务流程 ========== */
.process-section {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(79, 70, 229, .3);
    border: 4px solid #fff;
}

.process-step h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 220px;
    margin: 0 auto;
}

/* ========== 用户权利与义务 ========== */
.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.dual-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}

.dual-card:hover {
    box-shadow: var(--shadow-md);
}

.dual-card .card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.dual-card .card-head .icon-box {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 20px;
}

.dual-card .card-head .icon-box.green {
    background: #d1fae5;
    color: #059669;
}

.dual-card .card-head .icon-box.blue {
    background: var(--primary-light);
    color: var(--primary);
}

.dual-card .card-head h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
}

.check-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.check-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

.check-list li i {
    flex-shrink: 0;
    margin-top: 5px;
    font-size: 13px;
}

.check-list li i.fa-check {
    color: #059669;
    background: #d1fae5;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 10px;
}

.check-list li i.fa-lock {
    color: var(--primary);
    background: var(--primary-light);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 10px;
}

/* ========== 内容图文区块 ========== */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse>* {
    direction: ltr;
}

.feature-media {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.feature-media img {
    width: 100%;
    aspect-ratio: 16 / 11;
    object-fit: cover;
    transition: var(--transition);
}

.feature-media:hover img {
    transform: scale(1.03);
}

.feature-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, .25), transparent 50%);
    pointer-events: none;
}

.feature-media .media-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 2;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.feature-content {
    padding: 8px 0;
}

.feature-content .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-light);
    color: #b45309;
    font-size: 12.5px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 40px;
    margin-bottom: 16px;
}

.feature-content h3 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -.3px;
}

.feature-content p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 20px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}

.feature-list li i {
    color: var(--primary);
    margin-top: 4px;
    font-size: 13px;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}

.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(79, 70, 229, .25);
    box-shadow: var(--shadow-sm);
}

.faq-item.open {
    border-color: rgba(79, 70, 229, .3);
    box-shadow: var(--shadow-md);
}

.faq-item.open .faq-toggle i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    cursor: pointer;
    text-align: left;
}

.faq-toggle span {
    font-size: 15.5px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    flex: 1;
}

.faq-toggle i {
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
}

.faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.85;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.faq-answer-inner p {
    margin-bottom: 8px;
}

.faq-answer-inner p:last-child {
    margin-bottom: 0;
}

/* ========== CTA ========== */
.cta-section {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 50%, #312e81 100%);
    position: relative;
    overflow: hidden;
    padding: 88px 0;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
    opacity: .12;
    z-index: 0;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(79, 70, 229, .25), transparent 70%);
    top: -160px;
    right: -120px;
    z-index: 0;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-box {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 34px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 16px;
    letter-spacing: -.5px;
}

.cta-box p {
    font-size: 15.5px;
    color: rgba(255, 255, 255, .75);
    line-height: 1.8;
    margin-bottom: 32px;
}

.cta-box .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-light {
    background: #fff;
    color: var(--text);
}

.btn-light:hover {
    background: #f1f5f9;
    color: var(--text);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, .2);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, .5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding-top: 64px;
    padding-bottom: 32px;
}

.site-footer .container {
    max-width: 1200px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    margin-bottom: 32px;
}

.footer-brand .brand {
    margin-bottom: 16px;
}

.footer-brand .brand-mark {
    background: linear-gradient(135deg, #818cf8, #c084fc);
}

.footer-brand .brand-text {
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.85;
    color: #94a3b8;
    margin-top: 12px;
    max-width: 320px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: .5px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li {
    font-size: 14px;
    color: #94a3b8;
}

.footer-col ul li a {
    transition: var(--transition);
    padding: 2px 0;
    display: inline-block;
}

.footer-col ul li a:hover {
    color: #818cf8;
    transform: translateX(4px);
}

.footer-col ul li i {
    width: 20px;
    margin-right: 6px;
    color: #64748b;
    font-size: 13px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 13px;
    color: #64748b;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
    .header-inner {
        gap: 16px;
        flex-wrap: wrap;
        padding: 12px 0;
    }

    .main-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
    }

    .main-nav a {
        padding: 6px 12px;
        font-size: 13.5px;
        white-space: nowrap;
    }

    .search-box {
        width: 160px;
    }

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 24px;
    }

    .process-steps::before {
        display: none;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-block.reverse {
        direction: ltr;
    }

    .dual-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .page-hero h1 {
        font-size: 32px;
    }

    .section-head h2 {
        font-size: 28px;
    }

    .cta-box h2 {
        font-size: 28px;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --space-section: 64px;
    }

    .header-inner {
        flex-wrap: nowrap;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 16px 24px;
        display: none;
        overflow-y: auto;
        max-height: calc(100vh - 72px);
        z-index: 999;
        width: 100%;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        width: 100%;
        text-align: center;
        padding: 14px 16px;
        font-size: 15px;
        border-radius: 0;
        border-bottom: 1px solid var(--border);
    }

    .main-nav a:last-child {
        border-bottom: none;
    }

    .main-nav a.active {
        background: var(--primary-light);
    }

    .nav-toggle {
        display: flex;
    }

    .search-box {
        display: none;
    }

    .header-actions .btn {
        display: none;
    }

    .header-actions {
        gap: 8px;
    }

    .promise-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .process-step p {
        max-width: 260px;
    }

    .dual-card {
        padding: 24px;
    }

    .page-hero {
        padding: 48px 0 56px;
    }

    .page-hero h1 {
        font-size: 28px;
    }

    .hero-stat {
        font-size: 12.5px;
        padding: 8px 12px;
    }

    .section-head h2 {
        font-size: 24px;
    }

    .section-head p {
        font-size: 14px;
    }

    .cta-box h2 {
        font-size: 24px;
    }

    .cta-box p {
        font-size: 14px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .faq-toggle span {
        font-size: 14px;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .brand-text {
        font-size: 18px;
    }

    .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 15px;
        border-radius: 10px;
    }

    .header-actions .btn {
        display: none;
    }

    .page-hero h1 {
        font-size: 24px;
        letter-spacing: 0;
    }

    .page-hero p {
        font-size: 14.5px;
    }

    .section-head h2 {
        font-size: 22px;
    }

    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }

    .btn-group {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
    }

    .dual-card {
        padding: 20px;
    }

    .faq-toggle {
        padding: 18px 16px;
    }

    .faq-answer-inner {
        padding: 0 16px 18px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }
}

/* 可访问性 */
:focus-visible {
    outline: 3px solid rgba(79, 70, 229, .4);
    outline-offset: 2px;
}

/* ========== 服务条款表格 ========== */
.info-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.info-table th,
.info-table td {
    padding: 16px 20px;
    font-size: 14px;
    text-align: left;
    vertical-align: top;
}

.info-table th {
    background: var(--primary-light);
    color: var(--text);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.info-table td {
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    line-height: 1.75;
}

.info-table tr:last-child td {
    border-bottom: none;
}

.info-table tr td:first-child {
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
}

@media screen and (max-width: 768px) {
    .info-table {
        display: block;
        overflow-x: auto;
    }

    .info-table th,
    .info-table td {
        padding: 12px 14px;
        font-size: 13px;
        white-space: nowrap;
    }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4F46E5;
            --primary-dark: #3730A3;
            --primary-light: #EEF2FF;
            --secondary: #06B6D4;
            --accent: #F59E0B;
            --dark: #0F172A;
            --gray-800: #1E293B;
            --gray-600: #475569;
            --gray-400: #94A3B8;
            --gray-200: #E2E8F0;
            --gray-100: #F1F5F9;
            --gray-50: #F8FAFC;
            --white: #FFFFFF;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 50px rgba(79, 70, 229, 0.15);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            color: var(--gray-800);
            background: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--gray-100);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--gray-600);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--gray-50);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--gray-50);
            border: 1px solid var(--gray-200);
            border-radius: 40px;
            padding: 8px 16px;
            gap: 8px;
            color: var(--gray-400);
            transition: var(--transition);
            width: 200px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
            background: var(--white);
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--gray-800);
            width: 100%;
            font-family: var(--font-main);
        }
        .search-box input::placeholder {
            color: var(--gray-400);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            font-family: var(--font-main);
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            padding: 10px 24px;
            font-size: 14px;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
            padding: 10px 24px;
            font-size: 14px;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }
        .btn-light {
            background: var(--white);
            color: var(--primary);
            padding: 12px 28px;
            font-size: 15px;
        }
        .btn-light:hover {
            background: var(--gray-50);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--gray-800);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: var(--gray-50);
        }

        /* ===== 页面Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, #EEF2FF 0%, #F0FDFA 100%);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--gray-100);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 400px;
            height: 400px;
            background: url('/assets/images/backpic/back-2.png') no-repeat center/contain;
            opacity: 0.08;
            border-radius: 50%;
        }
        .banner-content {
            max-width: 720px;
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }
        .banner-badge i {
            color: var(--accent);
        }
        .banner-content h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .banner-content h1 span {
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .banner-content p {
            font-size: 17px;
            color: var(--gray-600);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .banner-stat {
            text-align: center;
        }
        .banner-stat strong {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            display: block;
        }
        .banner-stat span {
            font-size: 13px;
            color: var(--gray-400);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--gray-50);
        }
        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            padding: 6px 20px;
            margin-bottom: 14px;
            border: 1px solid rgba(79, 70, 229, 0.15);
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* ===== 服务核心卡片 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--gray-100);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .service-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 20px;
            color: var(--white);
        }
        .service-icon.style-1 { background: linear-gradient(135deg, #6366F1, #8B5CF6); }
        .service-icon.style-2 { background: linear-gradient(135deg, #06B6D4, #0EA5E9); }
        .service-icon.style-3 { background: linear-gradient(135deg, #F59E0B, #F97316); }
        .service-icon.style-4 { background: linear-gradient(135deg, #10B981, #34D399); }
        .service-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.7;
        }

        /* ===== 服务流程 ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-wrap::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 60px;
            right: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--gray-200) 50%, transparent 50%);
            background-size: 16px 2px;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding-top: 100px;
        }
        .step-num {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--white);
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .step-item:hover .step-num {
            background: var(--primary);
            color: var(--white);
            transform: translateX(-50%) scale(1.05);
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }

        /* ===== 服务保障重点区 ===== */
        .guarantee-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .guarantee-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .guarantee-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .guarantee-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent 50%);
        }
        .guarantee-image .image-caption {
            position: absolute;
            bottom: 20px;
            left: 24px;
            color: var(--white);
            font-size: 16px;
            font-weight: 600;
            z-index: 2;
        }
        .guarantee-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .guarantee-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
        }
        .guarantee-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .guarantee-item i {
            font-size: 24px;
            color: var(--primary);
            margin-top: 4px;
        }
        .guarantee-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .guarantee-item p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.6;
        }

        /* ===== 服务细则双子区块 ===== */
        .detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .detail-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--gray-100);
            box-shadow: var(--shadow-sm);
        }
        .detail-card .detail-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }
        .detail-card .detail-header i {
            font-size: 28px;
            color: var(--primary);
        }
        .detail-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
        }
        .detail-card ul {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .detail-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--gray-600);
            line-height: 1.6;
        }
        .detail-card ul li i {
            color: var(--primary);
            font-size: 14px;
            margin-top: 5px;
        }
        .detail-card ul li strong {
            color: var(--dark);
        }

        /* ===== 常见问题 ===== */
        .faq-grid {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--gray-100);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--gray-600);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: url('/assets/images/backpic/back-3.png') no-repeat center/cover;
            opacity: 0.15;
            border-radius: 50%;
        }
        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            color: var(--white);
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            opacity: 0.8;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0B1120;
            color: var(--gray-400);
            padding: 64px 0 0;
            position: relative;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            max-width: 320px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-text {
            color: var(--white);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            opacity: 0.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 20px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li {
            font-size: 14px;
            line-height: 1.6;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul a {
            color: var(--gray-400);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--white);
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            opacity: 0.6;
        }
        .footer-bottom .brand-mark {
            width: 20px;
            height: 20px;
            font-size: 10px;
            border-radius: 6px;
            display: inline-flex;
            margin-right: 6px;
        }
        .footer-bottom .brand-text {
            font-size: 14px;
            color: var(--gray-400);
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-wrap { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
            .steps-wrap::before { display: none; }
            .guarantee-wrap { grid-template-columns: 1fr; gap: 40px; }
            .detail-grid { grid-template-columns: 1fr; }
            .main-nav { display: none; }
            .nav-toggle { display: block; }
            .search-box { width: 160px; }
            .main-nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 16px 24px;
                border-bottom: 1px solid var(--gray-100);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }
            .main-nav.open a {
                padding: 12px 16px;
            }
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: wrap; }
            .header-actions { gap: 8px; }
            .search-box { display: none; }
            .page-banner { padding: 48px 0 40px; }
            .banner-content h1 { font-size: 30px; }
            .banner-content p { font-size: 15px; }
            .banner-stats { gap: 20px; }
            .banner-stat strong { font-size: 22px; }
            .section { padding: 56px 0; }
            .section-head h2 { font-size: 26px; }
            .footer-top { flex-direction: column; gap: 32px; }
            .footer-col { width: 100%; }
            .cta-content h2 { font-size: 24px; }
            .cta-content p { font-size: 15px; }
        }
        @media (max-width: 520px) {
            .service-grid { grid-template-columns: 1fr; }
            .steps-wrap { grid-template-columns: 1fr; }
            .banner-stats { flex-direction: column; gap: 12px; align-items: center; }
            .guarantee-image img { height: 280px; }
            .detail-card { padding: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
        }

        /* ===== 自定义滚动条 ===== */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--gray-50); }
        ::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
        
        /* ===== 可访问性焦点 ===== */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 3px solid rgba(79, 70, 229, 0.3);
            outline-offset: 2px;
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
        :root {
            --primary: #163A5F;
            --primary-rgb: 22, 58, 95;
            --primary-light: #2A567F;
            --primary-dark: #0E2A47;
            --accent: #C9A227;
            --accent-rgb: 201, 162, 39;
            --accent-light: #E4C45F;
            --accent-dark: #A8871E;
            --bg-body: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-dark: #0D1B2E;
            --bg-soft: #EEF2F8;
            --text-main: #223044;
            --text-muted: #5C6B80;
            --text-faint: #8A97AB;
            --border-color: #E1E7F0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(22, 58, 95, 0.05);
            --shadow-sm: 0 3px 12px rgba(22, 58, 95, 0.06);
            --shadow-md: 0 10px 30px rgba(22, 58, 95, 0.09);
            --shadow-lg: 0 20px 60px rgba(22, 58, 95, 0.13);
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition-fast: all 0.2s ease;
            --transition: all 0.3s ease;
            --container: 1200px;
        }

        /* ============ 基础 Reset ============ */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: var(--primary); transition: var(--transition-fast); }
        a:hover { color: var(--accent-dark); }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.35; font-weight: 700; color: var(--primary-dark); }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 Header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-xs);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 12px;
            font-size: 1.1rem;
            box-shadow: var(--shadow-sm);
            flex-shrink: 0;
        }
        .brand-text { line-height: 1.2; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.25);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-soft);
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 8px 16px;
            min-width: 200px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
        }
        .search-box i { color: var(--text-faint); font-size: 0.9rem; }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
        }
        .search-box input::placeholder { color: var(--text-faint); }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.25rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover { background: var(--bg-soft); }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
        }
        .btn-primary:hover { color: #fff; box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3); }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
        }
        .btn-accent:hover { color: #fff; box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.3); }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; }
        .btn-light { background: #fff; color: var(--primary); }
        .btn-sm { padding: 8px 20px; font-size: 0.88rem; }
        .btn-lg { padding: 16px 40px; font-size: 1.05rem; }
        .btn-block { width: 100%; }

        /* ============ 标签 / 徽章 ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--bg-soft);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(var(--accent-rgb), 0.14);
            color: var(--accent-dark);
        }

        /* ============ 页面 Banner ============ */
        .page-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 80px 0 76px;
            color: #fff;
            overflow: hidden;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13, 27, 46, 0.92), rgba(22, 58, 95, 0.78));
        }
        .banner-overlay::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(var(--accent-rgb), 0.15);
            filter: blur(40px);
        }
        .page-banner .container { position: relative; z-index: 2; }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }
        .breadcrumb a { color: rgba(255, 255, 255, 0.85); }
        .breadcrumb a:hover { color: var(--accent-light); }
        .breadcrumb i { font-size: 0.7rem; color: rgba(255, 255, 255, 0.4); }
        .page-banner h1 {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            color: #fff;
            max-width: 860px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .banner-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .banner-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .banner-meta .badge { background: rgba(var(--accent-rgb), 0.9); color: #fff; }

        /* ============ 文章主区域 ============ */
        .article-section { padding: 64px 0; }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 40px;
            align-items: start;
        }
        .article-main { min-width: 0; }
        .article-card-main {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            padding: 44px;
        }
        .article-content {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-content > *:first-child { margin-top: 0; }
        .article-content p { margin-bottom: 1.3em; }
        .article-content h2 {
            font-size: 1.5rem;
            margin: 2em 0 0.8em;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }
        .article-content h3 { font-size: 1.25rem; margin: 1.6em 0 0.6em; }
        .article-content h4 { font-size: 1.1rem; margin: 1.4em 0 0.5em; }
        .article-content ul { list-style: disc; padding-left: 1.5em; margin-bottom: 1.3em; }
        .article-content ol { list-style: decimal; padding-left: 1.5em; margin-bottom: 1.3em; }
        .article-content li { margin-bottom: 0.4em; }
        .article-content a { color: var(--accent-dark); text-decoration: underline; }
        .article-content a:hover { color: var(--primary); }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(var(--accent-rgb), 0.06);
            padding: 18px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5em 0;
            color: var(--text-muted);
            font-style: normal;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            font-size: 0.95rem;
        }
        .article-content th, .article-content td {
            border: 1px solid var(--border-color);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content th { background: var(--bg-soft); font-weight: 600; }

        /* ============ 侧边栏 ============ */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 96px;
        }
        .side-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-sm);
        }
        .side-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-dark);
        }
        .side-card h3 i { color: var(--accent); font-size: 0.95rem; }
        .side-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 0.9rem;
        }
        .side-list li:last-child { border-bottom: none; }
        .side-list span { color: var(--text-faint); flex-shrink: 0; }
        .side-list strong { color: var(--text-main); font-weight: 600; text-align: right; }
        .side-links li { margin-bottom: 8px; }
        .side-links li:last-child { margin-bottom: 0; }
        .side-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            color: var(--text-main);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .side-links a i { font-size: 0.8rem; color: var(--text-faint); transition: var(--transition); }
        .side-links a:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            transform: translateX(4px);
        }
        .side-links a:hover i { color: var(--accent-light); }
        .side-contact {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            border: none;
            position: relative;
            overflow: hidden;
        }
        .side-contact::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(var(--accent-rgb), 0.18);
        }
        .side-contact h3 { color: #fff; border-color: rgba(255, 255, 255, 0.15); }
        .side-contact h3 i { color: var(--accent-light); }
        .side-contact p { color: rgba(255, 255, 255, 0.8); font-size: 0.88rem; margin-bottom: 18px; position: relative; z-index: 2; }
        .side-contact .btn { position: relative; z-index: 2; }

        /* ============ 内容未找到 ============ */
        .not-found-panel {
            text-align: center;
            padding: 80px 40px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .not-found-panel i {
            font-size: 3.5rem;
            color: var(--border-color);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-panel h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found-panel p { color: var(--text-muted); margin-bottom: 28px; }

        /* ============ 板块通用 ============ */
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(var(--accent-rgb), 0.12);
            color: var(--accent-dark);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .section-head h2 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 14px; }
        .section-head p { color: var(--text-muted); font-size: 1.05rem; margin: 0; }

        /* ============ 分类卡片 ============ */
        .cat-section { padding: 64px 0; background: var(--bg-white); border-top: 1px solid var(--border-color); }
        .cat-card {
            background: var(--bg-soft);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            border: 1px solid transparent;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .cat-card::before {
            content: '';
            position: absolute;
            right: -30px;
            top: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.05);
            transition: var(--transition);
        }
        .cat-card:hover {
            background: #fff;
            border-color: var(--border-color);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .cat-card:hover::before { transform: scale(1.6); }
        .cat-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 2;
        }
        .cat-card h3 { font-size: 1.15rem; margin-bottom: 10px; position: relative; z-index: 2; }
        .cat-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 16px; flex-grow: 1; position: relative; z-index: 2; }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            position: relative;
            z-index: 2;
        }
        .cat-link i { transition: transform 0.25s ease; font-size: 0.8rem; }
        .cat-link:hover { color: var(--accent-dark); }
        .cat-link:hover i { transform: translateX(4px); }

        /* ============ 相关资讯列表 ============ */
        .related-section { padding: 64px 0; }
        .article-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(var(--accent-rgb), 0.3);
        }
        .card-thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--bg-soft); }
        .card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .article-card:hover .card-thumb img { transform: scale(1.06); }
        .card-badge {
            position: absolute;
            left: 14px;
            top: 14px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(13, 27, 46, 0.75);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .card-body { padding: 20px 20px 24px; display: flex; flex-direction: column; flex-grow: 1; }
        .card-body h3 { font-size: 1.05rem; line-height: 1.5; margin-bottom: 10px; color: var(--primary-dark); }
        .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .card-date { font-size: 0.82rem; color: var(--text-faint); display: inline-flex; align-items: center; gap: 6px; }
        .empty-tip {
            text-align: center;
            color: var(--text-faint);
            padding: 40px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            font-size: 0.95rem;
        }

        /* ============ FAQ ============ */
        .faq-section { padding: 64px 0; background: var(--bg-white); border-top: 1px solid var(--border-color); }
        .faq-list { max-width: 820px; margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(var(--accent-rgb), 0.35); }
        .faq-item.active { box-shadow: var(--shadow-md); border-color: rgba(var(--accent-rgb), 0.4); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.98rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition-fast);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .faq-item.active .faq-question i { transform: rotate(45deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            border-top: 0 solid var(--border-color);
        }
        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 500px;
            border-top-width: 1px;
            border-top-color: var(--border-color);
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(120deg, #0D1B2E, #1B3A5C);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.25), transparent 70%);
            top: -150px;
            right: -100px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            bottom: -100px;
            left: -60px;
        }
        .cta-inner { text-align: center; max-width: 720px; margin: 0 auto; position: relative; z-index: 2; }
        .cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin-bottom: 16px; }
        .cta-inner p { color: rgba(255, 255, 255, 0.78); margin-bottom: 30px; font-size: 1.02rem; }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ============ 页脚 ============ */
        .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.7); padding: 64px 0 24px; }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .brand { color: #fff; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-top: 16px; color: rgba(255, 255, 255, 0.55); }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; font-size: 0.9rem; }
        .footer-col ul a { color: rgba(255, 255, 255, 0.65); transition: var(--transition-fast); }
        .footer-col ul a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-col ul li i { width: 20px; color: var(--accent); }
        .footer-col .contact-list li { color: rgba(255, 255, 255, 0.6); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 20px;
            }
            .side-card { flex: 1 1 calc(50% - 10px); }
            .side-card:last-child { flex-basis: 100%; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
            .search-box { min-width: 160px; }
        }

        @media (max-width: 768px) {
            body { font-size: 15px; }
            .header-inner { height: 64px; gap: 12px; }
            .brand-text { font-size: 1.05rem; }
            .brand-mark { width: 36px; height: 36px; font-size: 0.95rem; border-radius: 10px; }
            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 16px 40px rgba(13, 27, 46, 0.12);
                display: none;
                z-index: 99;
            }
            .main-nav.open { display: flex; }
            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                white-space: normal;
            }
            .main-nav a.active { background: var(--primary); color: #fff; }
            .search-box { display: none; }
            .header-actions .btn-sm { padding: 8px 16px; font-size: 0.85rem; }
            .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
            .page-banner { padding: 48px 0 40px; }
            .page-banner h1 { font-size: 1.5rem; }
            .banner-meta { gap: 12px; font-size: 0.85rem; }
            .article-section { padding: 36px 0; }
            .article-card-main { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-content { font-size: 0.98rem; line-height: 1.8; }
            .article-sidebar { flex-direction: column; }
            .side-card { flex-basis: auto; }
            .cat-section, .related-section, .faq-section { padding: 40px 0; }
            .section-head { margin-bottom: 32px; }
            .section-head p { font-size: 0.95rem; }
            .faq-question { padding: 15px 18px; font-size: 0.92rem; }
            .faq-answer, .faq-item.active .faq-answer { padding-left: 18px; padding-right: 18px; }
            .cta-section { padding: 48px 0; }
            .cta-inner p { font-size: 0.95rem; }
            .footer-top { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-actions .btn-sm { display: none; }
            .brand-text { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
            .page-banner h1 { font-size: 1.28rem; }
            .banner-meta { flex-direction: row; flex-wrap: wrap; }
            .article-card-main { padding: 20px 16px; }
            .not-found-panel { padding: 50px 20px; }
            .not-found-panel i { font-size: 2.6rem; }
            .cat-card { padding: 24px 20px; }
            .card-body { padding: 16px 16px 20px; }
            .card-body h3 { font-size: 0.98rem; }
            .cta-buttons .btn { width: 100%; }
        }

/* roulang page: category3 */
:root {
            --primary: #5B6AF0;
            --primary-dark: #4453d8;
            --primary-light: #eef0fe;
            --accent: #F5A623;
            --accent-light: #fff7e8;
            --dark: #1a1d2e;
            --text: #2d3242;
            --text-light: #6b7280;
            --border: #e8eaf0;
            --bg-light: #f7f8fc;
            --bg-white: #ffffff;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(26, 29, 46, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 29, 46, 0.08);
            --shadow-lg: 0 16px 40px rgba(26, 29, 46, 0.12);
            --transition: all 0.3s ease;
            --container-width: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-white);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 12px rgba(26, 29, 46, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, #7b8cff 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(91, 106, 240, 0.35);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 0 14px;
            height: 40px;
            width: 220px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(91, 106, 240, 0.12);
            background: #fff;
        }

        .search-box i {
            color: var(--text-light);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            width: 100%;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: #a0a4b0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 12px;
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            background: transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(91, 106, 240, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(91, 106, 240, 0.4);
        }

        .btn-outline {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-light {
            background: #fff;
            color: var(--dark);
            box-shadow: var(--shadow-sm);
        }

        .btn-light:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--dark);
            cursor: pointer;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: var(--bg-light);
        }

        /* ===== 分类页 Banner ===== */
        .category-banner {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(135deg, #1a1d2e 0%, #2a2f4a 60%, #3a3f5c 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: -1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(91, 106, 240, 0.35) 0%, transparent 60%);
            z-index: -1;
        }

        .category-banner .banner-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .category-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .category-banner .breadcrumb a:hover {
            color: #fff;
        }

        .category-banner .breadcrumb i {
            font-size: 12px;
        }

        .category-banner h1 {
            color: #fff;
            font-size: 42px;
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-banner h1 span {
            background: linear-gradient(90deg, #8b9aff, #f5b860);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-banner .banner-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 30px;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .banner-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .banner-stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .banner-stat-card .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }

        .banner-stat-card .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

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

        .section-alt {
            background: var(--bg-light);
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-header h2 span {
            color: var(--primary);
        }

        .section-header p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ===== 活动资讯卡片 ===== */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .promo-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .promo-card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .promo-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .promo-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(245, 166, 35, 0.95);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .promo-tag.hot {
            background: rgba(235, 87, 87, 0.95);
        }

        .promo-card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .promo-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .promo-card-body h3 a {
            color: var(--dark);
        }

        .promo-card-body h3 a:hover {
            color: var(--primary);
        }

        .promo-card-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .promo-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #a0a4b0;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }

        .promo-meta i {
            font-size: 13px;
        }

        .promo-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== 热门活动 ===== */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: var(--transition);
        }

        .hot-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .hot-rank {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-rank.top-1 {
            background: linear-gradient(135deg, #F5A623, #f7c464);
            color: #fff;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
        }

        .hot-rank.top-2 {
            background: linear-gradient(135deg, #9aa0b4, #b8bdd0);
            color: #fff;
        }

        .hot-rank.top-3 {
            background: linear-gradient(135deg, #c98a5e, #ddb094);
            color: #fff;
        }

        .hot-info {
            flex: 1;
        }

        .hot-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .hot-info p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        .hot-info .expire {
            color: #e35555;
            font-size: 13px;
            font-weight: 500;
            margin-top: 2px;
        }

        /* ===== 活动流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 18px;
            right: 22px;
            font-size: 42px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 18px;
            position: relative;
            z-index: 1;
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== 大数据条 ===== */
        .stats-band {
            background: linear-gradient(135deg, var(--primary) 0%, #6b7af5 100%);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.1;
        }

        .stats-band-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .stat-block {
            text-align: center;
            padding: 10px;
        }

        .stat-block .num {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-block .label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform 0.3s ease;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #1a1d2e 0%, #2d3250 100%);
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(91, 106, 240, 0.3) 0%, transparent 60%);
        }

        .cta-section h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
            position: relative;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== 订阅 ===== */
        .subscribe-box {
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
            position: relative;
        }

        .subscribe-box input {
            flex: 1;
            height: 50px;
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 0 18px;
            font-size: 15px;
            outline: none;
            background: #fff;
            transition: var(--transition);
        }

        .subscribe-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(91, 106, 240, 0.12);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #14172b;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-col ul li i {
            margin-right: 8px;
            color: var(--primary);
            width: 16px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }

            .search-box {
                width: 170px;
            }

            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-band-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-banner .banner-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                align-items: stretch;
                z-index: 999;
                display: none;
            }

            .main-nav.open {
                transform: translateY(0);
                display: flex;
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 10px;
            }

            .main-nav a.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .search-box {
                display: none;
            }

            .header-actions .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }

            .category-banner {
                padding: 60px 0 48px;
            }

            .category-banner h1 {
                font-size: 30px;
            }

            .banner-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .banner-stat-card {
                padding: 14px 16px;
            }

            .banner-stat-card .stat-num {
                font-size: 22px;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .promo-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .stats-band-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-block .num {
                font-size: 30px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .subscribe-box {
                flex-direction: column;
            }

            .subscribe-box .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .brand-text {
                font-size: 17px;
            }

            .header-actions .btn-sm {
                display: none;
            }

            .category-banner h1 {
                font-size: 26px;
            }

            .banner-desc {
                font-size: 15px;
            }

            .banner-actions .btn {
                width: 100%;
            }

            .promo-card-body {
                padding: 18px;
            }

            .hot-item {
                flex-direction: column;
                text-align: center;
                padding: 18px;
            }

            .hot-info p {
                font-size: 13px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .cta-section .btn-group .btn {
                width: 100%;
            }
        }