/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #0f0c29;
        --primary-light: #302b63;
        --primary-mid: #24243e;
        --secondary: #1a2a6c;
        --accent: #f5a623;
        --accent-hover: #d48e1c;
        --accent-glow: rgba(245, 166, 35, 0.25);
        --danger: #e94560;
        --bg: #ffffff;
        --bg-alt: #f4f6fb;
        --bg-card: #ffffff;
        --bg-dark: #0f0c29;
        --text: #1a1a2e;
        --text-light: #6b7280;
        --text-white: #ffffff;
        --border: #e5e7eb;
        --border-light: #f0f2f7;
        --radius-sm: 6px;
        --radius: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
        --shadow: 0 6px 24px rgba(0,0,0,0.08);
        --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
        --shadow-glow: 0 0 30px rgba(245, 166, 35, 0.15);
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        --max-width: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset / Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--bg);
        min-height: 100vh;
    }
    a { color: inherit; text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    button, input, textarea, select {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        background: none;
    }
    button { cursor: pointer; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
    h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
    h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
    h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
    h4 { font-size: 1.1rem; }
    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--header-height);
        background: rgba(15, 12, 41, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255,255,255,0.08);
        z-index: 1000;
        transition: background var(--transition), box-shadow var(--transition);
    }
    .site-header.scrolled {
        background: rgba(15, 12, 41, 0.98);
        box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--text-white);
        letter-spacing: 0.5px;
    }
    .logo i {
        font-size: 1.6rem;
        color: var(--accent);
        background: rgba(245, 166, 35, 0.15);
        padding: 8px;
        border-radius: var(--radius-sm);
    }
    .logo span { background: linear-gradient(135deg, #fff 60%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-list a {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: var(--radius);
        color: rgba(255,255,255,0.75);
        font-size: 0.95rem;
        font-weight: 500;
        transition: all var(--transition);
        position: relative;
    }
    .nav-list a:hover { color: #fff; background: rgba(255,255,255,0.08); }
    .nav-list a.active {
        color: #fff;
        background: rgba(245, 166, 35, 0.18);
        box-shadow: inset 0 0 0 1px rgba(245, 166, 35, 0.25);
    }
    .nav-list a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--accent);
        border-radius: 4px;
    }
    .nav-cta {
        background: linear-gradient(135deg, var(--accent), #d48e1c) !important;
        color: #0f0c29 !important;
        font-weight: 700 !important;
        padding: 8px 22px !important;
        border-radius: var(--radius) !important;
        box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
    }
    .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245, 166, 35, 0.4) !important; background: linear-gradient(135deg, #f0b820, #c97f10) !important; color: #0f0c29 !important; }
    .nav-toggle { display: none; font-size: 1.5rem; color: #fff; background: none; border: none; padding: 6px; cursor: pointer; }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 120px 24px 80px;
        background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.15;
        mix-blend-mode: overlay;
        animation: heroParallax 20s ease infinite alternate;
    }
    @keyframes heroParallax {
        0% { transform: scale(1) translate(0, 0); }
        100% { transform: scale(1.05) translate(-10px, -10px); }
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at center, rgba(245,166,35,0.08) 0%, transparent 70%);
        pointer-events: none;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 820px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(245, 166, 35, 0.15);
        border: 1px solid rgba(245, 166, 35, 0.3);
        padding: 6px 18px;
        border-radius: 50px;
        color: var(--accent);
        font-size: 0.85rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 24px;
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero h1 {
        color: var(--text-white);
        font-weight: 900;
        margin-bottom: 20px;
        text-shadow: 0 4px 40px rgba(0,0,0,0.3);
    }
    .hero h1 span {
        background: linear-gradient(135deg, var(--accent), #ffd700);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero p {
        color: rgba(255,255,255,0.7);
        font-size: 1.15rem;
        max-width: 600px;
        margin: 0 auto 36px;
        line-height: 1.8;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 32px;
        border-radius: var(--radius);
        font-weight: 600;
        font-size: 1rem;
        transition: all var(--transition);
        border: none;
        cursor: pointer;
        text-align: center;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--accent), #d48e1c);
        color: #0f0c29;
        box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
    }
    .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(245, 166, 35, 0.45); color: #0f0c29; }
    .btn-outline {
        background: transparent;
        color: var(--text-white);
        border: 2px solid rgba(255,255,255,0.25);
    }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(245,166,35,0.08); transform: translateY(-3px); }
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 32px;
        justify-content: center;
        margin-top: 48px;
        padding-top: 40px;
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .hero-stat { text-align: center; }
    .hero-stat strong {
        display: block;
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--text-white);
    }
    .hero-stat span {
        font-size: 0.85rem;
        color: rgba(255,255,255,0.5);
    }

    /* ===== 板块通用 ===== */
    .section { padding: 80px 0; }
    .section-alt { background: var(--bg-alt); }
    .section-dark { background: var(--bg-dark); color: var(--text-white); }
    .section-title {
        text-align: center;
        margin-bottom: 16px;
    }
    .section-title h2 { margin-bottom: 12px; }
    .section-title p {
        color: var(--text-light);
        max-width: 560px;
        margin: 0 auto;
        font-size: 1.05rem;
    }
    .section-dark .section-title h2 { color: var(--text-white); }
    .section-dark .section-title p { color: rgba(255,255,255,0.6); }
    .title-accent {
        display: inline-block;
        width: 48px;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), #ffd700);
        border-radius: 4px;
        margin-bottom: 16px;
    }

    /* ===== 卡片 ===== */
    .card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 28px 24px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: all var(--transition);
    }
    .card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: rgba(245,166,35,0.15); }
    .card-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin-bottom: 16px;
        background: rgba(245, 166, 35, 0.1);
        color: var(--accent);
    }
    .card h3 { margin-bottom: 10px; font-size: 1.15rem; }
    .card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }

    /* ===== 网格 ===== */
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

    /* ===== 分类入口 ===== */
    .cat-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        background: var(--bg-card);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .cat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
    .cat-card .cat-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 0;
    }
    .cat-card .cat-body { padding: 20px 24px 24px; flex: 1; }
    .cat-card .cat-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
    .cat-card .cat-body p { color: var(--text-light); font-size: 0.9rem; margin-bottom: 16px; }
    .cat-card .cat-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--accent);
        background: rgba(245,166,35,0.08);
        padding: 4px 12px;
        border-radius: 50px;
    }
    .cat-card .cat-tag i { font-size: 0.7rem; }

    /* ===== 资讯列表 ===== */
    .news-list { display: flex; flex-direction: column; gap: 16px; }
    .news-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 20px 24px;
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        transition: all var(--transition);
    }
    .news-item:hover { box-shadow: var(--shadow); border-color: rgba(245,166,35,0.15); transform: translateX(4px); }
    .news-item .news-num {
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        background: rgba(245,166,35,0.1);
        color: var(--accent);
    }
    .news-item .news-body { flex: 1; min-width: 0; }
    .news-item .news-body h4 { font-size: 1rem; margin-bottom: 4px; }
    .news-item .news-body h4 a { color: var(--text); }
    .news-item .news-body h4 a:hover { color: var(--accent); }
    .news-item .news-body p { color: var(--text-light); font-size: 0.88rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .news-item .news-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 8px;
        font-size: 0.78rem;
        color: var(--text-light);
    }
    .news-item .news-meta .tag {
        background: var(--bg-alt);
        padding: 2px 10px;
        border-radius: 50px;
        font-weight: 500;
        color: var(--text-light);
    }
    .news-empty {
        text-align: center;
        padding: 48px 24px;
        color: var(--text-light);
        background: var(--bg-alt);
        border-radius: var(--radius);
        font-size: 0.95rem;
    }

    /* ===== 数据/统计 ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .stat-card {
        text-align: center;
        padding: 32px 20px;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius);
        border: 1px solid rgba(255,255,255,0.06);
        transition: all var(--transition);
    }
    .stat-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
    .stat-card .stat-num {
        font-size: 2.4rem;
        font-weight: 900;
        background: linear-gradient(135deg, var(--accent), #ffd700);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1.2;
    }
    .stat-card .stat-label { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-top: 6px; }

    /* ===== 流程 ===== */
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
    .step {
        text-align: center;
        padding: 28px 16px;
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        position: relative;
        transition: all var(--transition);
    }
    .step:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
    .step::before {
        counter-increment: step;
        content: counter(step);
        display: block;
        width: 40px;
        height: 40px;
        line-height: 40px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent), #d48e1c);
        color: #0f0c29;
        font-weight: 800;
        font-size: 1rem;
        margin: 0 auto 16px;
    }
    .step h4 { margin-bottom: 6px; font-size: 1rem; }
    .step p { color: var(--text-light); font-size: 0.88rem; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-item:hover { border-color: rgba(245,166,35,0.15); }
    .faq-q {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        gap: 12px;
        transition: background var(--transition);
    }
    .faq-q:hover { background: rgba(245,166,35,0.04); }
    .faq-q i { color: var(--accent); transition: transform var(--transition); font-size: 0.85rem; }
    .faq-item.open .faq-q i { transform: rotate(180deg); }
    .faq-a {
        padding: 0 24px 18px;
        color: var(--text-light);
        font-size: 0.92rem;
        line-height: 1.7;
        display: none;
    }
    .faq-item.open .faq-a { display: block; }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, #0f0c29 0%, #302b63 60%, #24243e 100%);
        padding: 80px 24px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.1;
        mix-blend-mode: overlay;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-section h2 { color: var(--text-white); font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
    .cta-section p { color: rgba(255,255,255,0.6); max-width: 520px; margin: 0 auto 32px; font-size: 1.05rem; }
    .cta-section .btn { font-size: 1.05rem; padding: 16px 40px; }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #0a0a1a;
        color: rgba(255,255,255,0.6);
        padding: 48px 0 32px;
        border-top: 1px solid rgba(255,255,255,0.05);
    }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
    .footer-brand .logo { margin-bottom: 12px; }
    .footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 320px; }
    .footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
    .footer-col a {
        display: block;
        color: rgba(255,255,255,0.5);
        font-size: 0.88rem;
        padding: 4px 0;
        transition: all var(--transition);
    }
    .footer-col a:hover { color: var(--accent); padding-left: 4px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.05);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        font-size: 0.82rem;
        color: rgba(255,255,255,0.35);
    }
    .footer-bottom a { color: rgba(255,255,255,0.35); }
    .footer-bottom a:hover { color: var(--accent); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .steps { grid-template-columns: repeat(2, 1fr); }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .nav-list { display: none; }
        .nav-toggle { display: block; }
        .nav-list.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(15,12,41,0.98);
            backdrop-filter: blur(16px);
            padding: 16px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            gap: 4px;
        }
        .nav-list.open a { width: 100%; justify-content: center; padding: 12px 18px; }
        .hero { min-height: 80vh; padding: 100px 20px 60px; }
        .hero-stats { gap: 20px; }
        .hero-stat strong { font-size: 1.4rem; }
        .grid-2, .grid-3 { grid-template-columns: 1fr; }
        .grid-4 { grid-template-columns: 1fr; }
        .steps { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .stat-card .stat-num { font-size: 1.8rem; }
        .section { padding: 56px 0; }
        .news-item { flex-direction: column; gap: 12px; padding: 16px 18px; }
        .news-item .news-num { display: none; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
        .cta-section { padding: 56px 20px; }
    }
    @media (max-width: 520px) {
        .hero h1 { font-size: 1.8rem; }
        .hero p { font-size: 0.95rem; }
        .btn { padding: 12px 24px; font-size: 0.9rem; }
        .hero-actions { flex-direction: column; align-items: center; }
        .stats-grid { grid-template-columns: 1fr 1fr; }
        .stat-card { padding: 20px 12px; }
    }

    /* ===== 工具 ===== */
    .text-center { text-align: center; }
    .mt-8 { margin-top: 8px; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }
    .mt-32 { margin-top: 32px; }
    .gap-16 { gap: 16px; }
    .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #f6b93b;
            --accent-light: #fbd46d;
            --accent-dark: #d49a2a;
            --bg-white: #ffffff;
            --bg-light: #f4f7fc;
            --bg-dark: #0d1b3e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26,42,108,0.06);
            --shadow-md: 0 6px 24px rgba(26,42,108,0.10);
            --shadow-lg: 0 16px 48px rgba(26,42,108,0.14);
            --shadow-xl: 0 24px 64px rgba(26,42,108,0.18);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-white);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Site Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(26,42,108,0.04);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .logo:hover { color: var(--primary); }
        .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 8px; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-list a i { font-size: 0.85rem; opacity: 0.7; }
        .nav-list a:hover { color: var(--primary); background: rgba(26,42,108,0.06); }
        .nav-list a.active { color: var(--primary); background: rgba(26,42,108,0.08); font-weight: 600; }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            box-shadow: 0 4px 14px rgba(246,185,59,0.35);
        }
        .nav-list a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(246,185,59,0.45); color: var(--primary-dark); }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
                border-bottom: 2px solid var(--border-light);
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-list a { width: 100%; justify-content: center; padding: 12px 18px; font-size: 1rem; }
            .nav-list a.nav-cta { margin-top: 8px; }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 {
            font-size: 2.2rem;
            color: var(--text-white);
            max-width: 800px;
            margin-bottom: 12px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.15);
        }
        .page-banner .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            color: rgba(255,255,255,0.8);
            font-size: 0.92rem;
        }
        .page-banner .banner-meta i { margin-right: 6px; color: var(--accent); }
        .page-banner .banner-meta .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(246,185,59,0.2);
            color: var(--accent-light);
            font-size: 0.82rem;
            font-weight: 600;
            border: 1px solid rgba(246,185,59,0.25);
        }
        @media (max-width: 768px) {
            .page-banner { padding: 50px 0 40px; }
            .page-banner h1 { font-size: 1.5rem; }
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-light);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-content .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-content .article-body p { margin-bottom: 1.4em; }
        .article-content .article-body h2, .article-content .article-body h3 { margin-top: 1.8em; margin-bottom: 0.6em; color: var(--text-primary); }
        .article-content .article-body h2 { font-size: 1.5rem; }
        .article-content .article-body h3 { font-size: 1.2rem; }
        .article-content .article-body img { border-radius: var(--radius-md); margin: 24px 0; }
        .article-content .article-body ul, .article-content .article-body ol { margin-bottom: 1.4em; padding-left: 24px; }
        .article-content .article-body li { margin-bottom: 0.4em; }
        .article-content .article-body a { color: var(--primary-light); font-weight: 500; border-bottom: 1px solid transparent; }
        .article-content .article-body a:hover { border-bottom-color: var(--accent); color: var(--accent); }
        .article-content .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--bg-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content .article-body .cms-safe-html { width: 100%; overflow-x: auto; }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i { font-size: 3.5rem; color: var(--text-light); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-secondary); margin-bottom: 24px; }
        .article-not-found .btn-back { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; border-radius: 50px; background: var(--primary); color: #fff; font-weight: 600; transition: all var(--transition); }
        .article-not-found .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }
        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--accent); }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .sidebar-list a:last-child { border-bottom: none; }
        .sidebar-list a:hover { padding-left: 6px; color: var(--primary); }
        .sidebar-list a span { font-size: 0.92rem; color: var(--text-secondary); flex: 1; }
        .sidebar-list a i { color: var(--accent); font-size: 0.75rem; margin-top: 4px; }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tags a {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: var(--bg-light);
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border-color);
        }
        .sidebar-tags a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            padding: 32px 28px;
            text-align: center;
            border-radius: var(--radius-md);
            color: #fff;
        }
        .sidebar-cta h4 { font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.85; margin-bottom: 18px; }
        .sidebar-cta .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            transition: all var(--transition);
        }
        .sidebar-cta .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(246,185,59,0.4); color: var(--primary-dark); }

        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 640px) {
            .article-content { padding: 24px 16px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-white);
        }
        .related-section .section-title {
            text-align: center;
            font-size: 1.6rem;
            margin-bottom: 40px;
        }
        .related-section .section-title i { color: var(--accent); margin-right: 10px; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
        .related-card .rc-cat {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(246,185,59,0.15);
            color: var(--accent-dark);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card h4 { font-size: 1rem; margin-bottom: 8px; }
        .related-card h4 a { color: var(--text-primary); }
        .related-card h4 a:hover { color: var(--primary); }
        .related-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.5; }
        .related-card .rc-date { font-size: 0.78rem; color: var(--text-light); margin-top: 12px; display: flex; align-items: center; gap: 6px; }
        @media (max-width: 900px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-light);
        }
        .faq-section .section-title { text-align: center; font-size: 1.6rem; margin-bottom: 40px; }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-item .faq-q {
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            color: var(--text-primary);
        }
        .faq-item .faq-q i { color: var(--accent); font-size: 0.9rem; transition: transform var(--transition); }
        .faq-item .faq-q i.rotated { transform: rotate(180deg); }
        .faq-item .faq-a {
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-a.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 70%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; color: #fff; margin-bottom: 16px; }
        .cta-section p { font-size: 1.05rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; }
        .cta-section .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
        }
        .cta-section .cta-btn.primary { background: var(--accent); color: var(--primary-dark); box-shadow: 0 6px 24px rgba(246,185,59,0.35); }
        .cta-section .cta-btn.primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(246,185,59,0.5); color: var(--primary-dark); }
        .cta-section .cta-btn.outline { border: 2px solid rgba(255,255,255,0.3); color: #fff; }
        .cta-section .cta-btn.outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); transform: translateY(-3px); color: #fff; }
        @media (max-width: 640px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .cta-btn { padding: 14px 28px; font-size: 0.95rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo span { -webkit-text-fill-color: #fff; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 300px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; letter-spacing: 0.3px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.88rem; padding: 5px 0; transition: all var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 30px;
            font-size: 0.84rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 560px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== JSON-LD ===== */
        .json-ld { display: none; }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-light); }
        ::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #3a4a8c;
            --primary-dark: #0f1a4a;
            --accent: #f5a623;
            --accent-light: #ffc74a;
            --accent-dark: #d4891a;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a4a;
            --bg-muted: #eef0f6;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-light: #ffffff;
            --border: #e0e2ec;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.25s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 64px;
        }

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

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .logo:hover {
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-muted);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-list a i {
            font-size: 0.9rem;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: var(--bg-muted);
        }
        .nav-list a.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .nav-list a.nav-cta {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .nav-list a.nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.45);
            color: #fff;
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.35s ease, opacity 0.35s ease;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-list a.nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 6px;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo i {
                font-size: 1.1rem;
            }
        }

        /* ===== Banner / 英雄区 ===== */
        .page-banner {
            margin-top: var(--header-height);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 20px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(245, 166, 35, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .banner-content h1 {
            font-size: 2.8rem;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }
        .banner-content h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .banner-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent);
        }
        .banner-breadcrumb span {
            color: var(--accent-light);
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 240px;
                padding: 40px 16px;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
            .banner-content p {
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .banner-content h1 {
                font-size: 1.5rem;
            }
            .banner-content p {
                font-size: 0.92rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-muted {
            background: var(--bg-muted);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: var(--text-light);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
            position: relative;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-top: 12px;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 480px) {
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 卡片组件 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 500;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 6px;
            transition: gap var(--transition);
        }
        .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* ===== 特色/亮点卡片 ===== */
        .feature-card {
            text-align: center;
            padding: 36px 24px 30px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: #fff;
            box-shadow: 0 8px 24px rgba(26, 42, 108, 0.25);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 28px 16px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
        }
        .step-item h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: none;
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-muted);
        }
        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            font-size: 1.1rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 80px 20px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(245, 166, 35, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(245, 166, 35, 0.5);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 50px 16px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.92rem;
            }
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: flex;
            align-items: center;
            gap: 50px;
            padding: 20px 0;
        }
        .media-block.reverse {
            flex-direction: row-reverse;
        }
        .media-block .media-image {
            flex: 1 1 48%;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .media-block .media-image img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        .media-block .media-image:hover img {
            transform: scale(1.03);
        }
        .media-block .media-text {
            flex: 1 1 48%;
        }
        .media-block .media-text h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .media-block .media-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .media-block .media-text ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .media-block .media-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .media-block .media-text ul li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .media-block {
                flex-direction: column !important;
                gap: 24px;
                padding: 10px 0;
            }
            .media-block .media-image {
                flex: none;
                width: 100%;
            }
            .media-block .media-text {
                flex: none;
                width: 100%;
            }
            .media-block .media-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--bg-muted);
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            border: 1px solid var(--border);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 18px 10px;
            }
            .stat-item .num {
                font-size: 1.5rem;
            }
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 80px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 16px auto 24px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .site-footer .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .logo i {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 工具 ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 滚动加载动画（渐进增强） ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }