/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1a3a5c;
        --primary-light: #2a5a8c;
        --primary-dark: #0f2440;
        --secondary: #e8a838;
        --secondary-light: #f0c060;
        --secondary-dark: #c88a20;
        --accent: #d45a3a;
        --bg-light: #f8f9fc;
        --bg-dark: #0f1a2e;
        --bg-card: #ffffff;
        --text-primary: #1a2a3a;
        --text-secondary: #5a6a7a;
        --text-light: #9aabb8;
        --text-white: #ffffff;
        --border: #e2e8f0;
        --border-light: #f0f2f5;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
        --shadow: 0 8px 32px rgba(0,0,0,0.06);
        --shadow-lg: 0 20px 60px rgba(0,0,0,0.10);
        --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
        --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        --container: 1280px;
        --header-h: 72px;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-light);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary); }
    a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }
    img { max-width: 100%; height: auto; display: block; }
    button, input, textarea, select { font-family: inherit; font-size: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
    h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
    h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
    h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
    h4 { font-size: 1.1rem; }
    p { margin-bottom: 1rem; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

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

    /* ===== 导航 ===== */
    .site-header {
        position: fixed; top: 0; left: 0; width: 100%; height: var(--header-h);
        background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border); z-index: 1000;
        transition: background var(--transition), box-shadow var(--transition);
    }
    .site-header.scrolled { background: rgba(255,255,255,0.98); box-shadow: var(--shadow-sm); }
    .header-inner {
        max-width: var(--container); margin: 0 auto; padding: 0 24px;
        display: flex; align-items: center; justify-content: space-between; height: 100%;
    }
    .header-left { display: flex; align-items: center; gap: 32px; }
    .logo {
        font-size: 1.4rem; font-weight: 800; color: var(--primary);
        letter-spacing: -0.01em; white-space: nowrap;
    }
    .logo span { color: var(--secondary); }
    .main-nav { display: flex; align-items: center; gap: 8px; }
    .main-nav a {
        padding: 8px 18px; border-radius: var(--radius-sm);
        font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
        transition: all var(--transition); position: relative;
    }
    .main-nav a:hover { color: var(--primary); background: rgba(26,58,92,0.06); }
    .main-nav a.active { color: var(--primary); background: rgba(26,58,92,0.08); font-weight: 600; }
    .main-nav a.active::after {
        content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
        width: 20px; height: 3px; border-radius: 2px; background: var(--secondary);
    }
    .header-right { display: flex; align-items: center; gap: 16px; }
    .header-search {
        display: flex; align-items: center; background: var(--bg-light);
        border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden;
        transition: border-color var(--transition);
    }
    .header-search:focus-within { border-color: var(--primary-light); }
    .header-search input {
        border: none; background: transparent; padding: 8px 12px; width: 160px;
        font-size: 0.9rem; color: var(--text-primary); outline: none;
    }
    .header-search input::placeholder { color: var(--text-light); }
    .header-search button {
        background: transparent; border: none; padding: 8px 12px; cursor: pointer;
        color: var(--text-secondary); transition: color var(--transition);
    }
    .header-search button:hover { color: var(--primary); }
    .header-cta {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 10px 24px; border-radius: var(--radius-sm);
        background: var(--primary); color: var(--text-white); font-weight: 600; font-size: 0.95rem;
        transition: all var(--transition); border: none; cursor: pointer;
    }
    .header-cta:hover { background: var(--primary-light); color: var(--text-white); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,58,92,0.25); }
    .header-cta:active { transform: translateY(0); }

    /* 移动端菜单按钮 */
    .menu-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text-primary); cursor: pointer; padding: 4px; }

    /* ===== Hero 分屏 ===== */
    .hero-section {
        padding-top: var(--header-h); min-height: 85vh;
        display: flex; align-items: center; background: var(--bg-light);
        position: relative; overflow: hidden;
    }
    .hero-section::before {
        content: ''; position: absolute; top: 0; right: 0; width: 55%; height: 100%;
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        opacity: 0.15; pointer-events: none;
    }
    .hero-grid { display: flex; align-items: center; gap: 48px; width: 100%; }
    .hero-content { flex: 1; padding: 60px 0; position: relative; z-index: 2; }
    .hero-visual { flex: 1; position: relative; z-index: 2; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
    .hero-visual img { width: 100%; height: auto; display: block; transition: transform 0.6s ease; }
    .hero-visual:hover img { transform: scale(1.02); }
    .hero-badge {
        display: inline-flex; align-items: center; gap: 8px;
        background: rgba(232,168,56,0.12); color: var(--secondary-dark);
        padding: 6px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 600;
        margin-bottom: 20px; border: 1px solid rgba(232,168,56,0.2);
    }
    .hero-section h1 {
        font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.15;
        color: var(--primary); margin-bottom: 20px;
    }
    .hero-section h1 span { color: var(--secondary); }
    .hero-desc {
        font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7;
        max-width: 560px; margin-bottom: 32px;
    }
    .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .hero-actions .btn-primary {
        padding: 14px 36px; border-radius: var(--radius-sm);
        background: var(--primary); color: var(--text-white); font-weight: 600; font-size: 1.05rem;
        transition: all var(--transition); border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px;
    }
    .hero-actions .btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26,58,92,0.3); }
    .hero-actions .btn-secondary {
        padding: 14px 36px; border-radius: var(--radius-sm);
        background: transparent; color: var(--primary); font-weight: 600; font-size: 1.05rem;
        border: 2px solid var(--border); transition: all var(--transition); cursor: pointer; display: inline-flex; align-items: center; gap: 10px;
    }
    .hero-actions .btn-secondary:hover { border-color: var(--primary); background: rgba(26,58,92,0.04); transform: translateY(-2px); }
    .hero-stats { display: flex; gap: 40px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
    .hero-stats-item { text-align: left; }
    .hero-stats-item .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
    .hero-stats-item .label { font-size: 0.9rem; color: var(--text-light); margin-top: 2px; }

    /* ===== 通用板块 ===== */
    .section { padding: 80px 0; }
    .section-alt { background: var(--bg-card); }
    .section-dark { background: var(--bg-dark); color: var(--text-white); }
    .section-dark h2, .section-dark h3 { color: var(--text-white); }
    .section-title { text-align: center; margin-bottom: 48px; }
    .section-title h2 { margin-bottom: 12px; }
    .section-title p { color: var(--text-secondary); max-width: 640px; margin: 0 auto; font-size: 1.05rem; }
    .section-dark .section-title p { color: rgba(255,255,255,0.7); }

    /* ===== 卡片系统 ===== */
    .card {
        background: var(--bg-card); border-radius: var(--radius);
        box-shadow: var(--shadow-sm); overflow: hidden;
        transition: all var(--transition); border: 1px solid var(--border);
        height: 100%; display: flex; flex-direction: column;
    }
    .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
    .card-img { width: 100%; aspect-ratio: 16/9; overflow: hidden; }
    .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .card:hover .card-img img { transform: scale(1.05); }
    .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
    .card-body p { color: var(--text-secondary); font-size: 0.95rem; flex: 1; margin-bottom: 16px; }
    .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; }
    .card-tag {
        display: inline-block; padding: 4px 12px; border-radius: 50px;
        background: rgba(26,58,92,0.06); color: var(--primary); font-size: 0.8rem; font-weight: 500;
    }
    .card-link { color: var(--primary); font-weight: 600; font-size: 0.95rem; display: inline-flex; align-items: center; gap: 6px; transition: gap var(--transition); }
    .card-link:hover { gap: 10px; color: var(--primary-light); }

    /* ===== 特色区块 ===== */
    .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
    .feature-card {
        background: var(--bg-card); border-radius: var(--radius);
        padding: 32px 28px; border: 1px solid var(--border);
        transition: all var(--transition); text-align: center;
    }
    .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); border-color: transparent; }
    .feature-icon {
        width: 60px; height: 60px; border-radius: 50%;
        background: rgba(26,58,92,0.06); display: flex; align-items: center; justify-content: center;
        margin: 0 auto 20px; font-size: 1.6rem; color: var(--primary);
        transition: all var(--transition);
    }
    .feature-card:hover .feature-icon { background: var(--primary); color: var(--text-white); }
    .feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
    .feature-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 0; }

    /* ===== 流程步骤 ===== */
    .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; counter-reset: step; }
    .step-item { text-align: center; position: relative; counter-increment: step; }
    .step-item::before {
        content: counter(step); position: absolute; top: -8px; left: 50%; transform: translateX(-50%);
        width: 40px; height: 40px; border-radius: 50%;
        background: var(--primary); color: var(--text-white); font-weight: 700; font-size: 1.2rem;
        display: flex; align-items: center; justify-content: center; z-index: 2;
    }
    .step-number { display: none; }
    .step-item .step-icon { width: 72px; height: 72px; margin: 28px auto 16px; border-radius: 50%; background: rgba(26,58,92,0.06); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--primary); }
    .step-item h4 { font-size: 1.05rem; margin-bottom: 6px; }
    .step-item p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0; }

    /* ===== 资讯列表（CMS） ===== */
    .news-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
    .news-item { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: all var(--transition); }
    .news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
    .news-item-inner { padding: 24px; }
    .news-item .news-tag { display: inline-block; padding: 4px 14px; border-radius: 50px; background: rgba(232,168,56,0.1); color: var(--secondary-dark); font-size: 0.8rem; font-weight: 500; margin-bottom: 10px; }
    .news-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
    .news-item h3 a { color: var(--text-primary); transition: color var(--transition); }
    .news-item h3 a:hover { color: var(--primary-light); }
    .news-item p { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 12px; }
    .news-item .news-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-light); }

    /* ===== FAQ ===== */
    .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item { background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border); overflow: hidden; transition: border-color var(--transition); }
    .faq-item:hover { border-color: var(--primary-light); }
    .faq-question { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--text-primary); font-size: 1rem; background: none; border: none; width: 100%; text-align: left; transition: color var(--transition); }
    .faq-question:hover { color: var(--primary); }
    .faq-question .faq-icon { transition: transform var(--transition); font-size: 1rem; color: var(--text-light); }
    .faq-item.active .faq-question .faq-icon { transform: rotate(180deg); color: var(--primary); }
    .faq-answer { padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; display: none; }
    .faq-item.active .faq-answer { display: block; }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        padding: 80px 0; text-align: center; color: var(--text-white);
    }
    .cta-section h2 { color: var(--text-white); font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 16px; }
    .cta-section p { color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 32px; font-size: 1.1rem; }
    .cta-section .btn-cta {
        display: inline-flex; align-items: center; gap: 10px;
        padding: 16px 44px; border-radius: var(--radius-sm);
        background: var(--secondary); color: var(--primary-dark); font-weight: 700; font-size: 1.1rem;
        transition: all var(--transition); border: none; cursor: pointer;
    }
    .cta-section .btn-cta:hover { background: var(--secondary-light); transform: translateY(-3px); box-shadow: 0 12px 36px rgba(0,0,0,0.2); }
    .cta-section .btn-cta:active { transform: translateY(0); }

    /* ===== 社会认同 / 数据 ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; text-align: center; }
    .stat-item .stat-num { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
    .stat-item .stat-label { font-size: 1rem; color: var(--text-secondary); margin-top: 4px; }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 32px;
    }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; display: block; }
    .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
    .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
    .footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.9rem; margin-bottom: 10px; transition: color var(--transition); }
    .footer-col a:hover { color: var(--secondary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
    .footer-bottom a { color: rgba(255,255,255,0.4); }
    .footer-bottom a:hover { color: var(--secondary); }
    .footer-social { display: flex; gap: 12px; }
    .footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); transition: all var(--transition); font-size: 0.95rem; }
    .footer-social a:hover { background: var(--secondary); color: var(--primary-dark); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .hero-grid { gap: 32px; }
        .hero-visual { flex: 0.8; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .menu-toggle { display: block; }
        .main-nav { display: none; position: absolute; top: var(--header-h); left: 0; width: 100%; background: var(--bg-card); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 24px; gap: 4px; box-shadow: var(--shadow); }
        .main-nav.open { display: flex; }
        .main-nav a { padding: 12px 16px; width: 100%; }
        .main-nav a.active::after { display: none; }
        .header-search { display: none; }
        .hero-section { min-height: auto; padding-top: var(--header-h); }
        .hero-grid { flex-direction: column; gap: 24px; }
        .hero-content { padding: 40px 0 20px; }
        .hero-visual { flex: none; width: 100%; }
        .hero-section::before { width: 100%; opacity: 0.06; }
        .hero-stats { gap: 24px; flex-wrap: wrap; }
        .hero-stats-item .num { font-size: 1.4rem; }
        .section { padding: 48px 0; }
        .section-title { margin-bottom: 32px; }
        .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
        .steps-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
        .news-list { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
        .header-cta span { display: none; }
    }
    @media (max-width: 520px) {
        .header-inner { padding: 0 16px; }
        .container { padding: 0 16px; }
        .features-grid { grid-template-columns: 1fr; }
        .steps-grid { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr; }
        .hero-actions { flex-direction: column; align-items: stretch; }
        .hero-actions .btn-primary, .hero-actions .btn-secondary { justify-content: center; }
        .logo { font-size: 1.15rem; }
    }

    /* ===== 辅助类 ===== */
    .text-center { text-align: center; }
    .mt-1 { margin-top: 8px; }
    .mt-2 { margin-top: 16px; }
    .mt-3 { margin-top: 24px; }
    .mb-2 { margin-bottom: 16px; }
    .mb-3 { margin-bottom: 24px; }
    .gap-2 { gap: 16px; }
    .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e8a838;
            --accent-hover: #d4942e;
            --accent-light: #fdf3e0;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f2440;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #7a8a9a;
            --text-white: #ffffff;
            --border-color: #e2e6ea;
            --border-light: #f0f2f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ── 导航 ── */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .logo:hover {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26,58,92,0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26,58,92,0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary-dark) !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232,168,56,0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .menu-toggle:hover {
            background: rgba(0,0,0,0.05);
        }

        @media screen and (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .nav-cta {
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ── 文章页特有样式 ── */
        .article-banner {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: var(--transition);
        }
        .article-breadcrumb a:hover {
            color: var(--accent);
        }
        .article-breadcrumb .sep {
            color: rgba(255,255,255,0.4);
        }
        .article-banner h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            max-width: 900px;
            margin-bottom: 20px;
        }
        .article-meta-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
        }
        .article-meta-bar i {
            margin-right: 5px;
            color: var(--accent);
        }
        .article-meta-bar .cat-tag {
            background: rgba(232,168,56,0.2);
            color: var(--accent);
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 50px;
        }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 48px 50px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-body p {
            margin-bottom: 1.6em;
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.85;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 2em 0 0.8em;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-light);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 1.8em 0 0.6em;
        }
        .article-body ul, .article-body ol {
            margin: 0 0 1.6em 1.6em;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 2em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 20px 28px;
            margin: 2em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: normal;
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent-hover);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 30px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-not-found i {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .article-not-found .btn-home {
            display: inline-block;
            background: var(--primary);
            color: var(--text-white);
            padding: 12px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-home:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ── 侧边栏 ── */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            margin-bottom: 10px;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: var(--transition);
            background: var(--bg-body);
        }
        .sidebar-link-list a:hover {
            background: var(--accent-light);
            color: var(--primary);
            transform: translateX(4px);
        }
        .sidebar-link-list a i {
            color: var(--accent);
            font-size: 0.85rem;
            width: 18px;
            text-align: center;
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            color: var(--text-white);
        }
        .sidebar-cta-box h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .sidebar-cta-box p {
            font-size: 0.95rem;
            opacity: 0.85;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .sidebar-cta-box .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: var(--transition);
        }
        .sidebar-cta-box .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,168,56,0.4);
        }

        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .article-body {
                padding: 32px 28px;
            }
        }
        @media screen and (max-width: 640px) {
            .article-banner {
                padding: 110px 0 40px;
            }
            .article-body {
                padding: 24px 18px;
            }
            .article-body p {
                font-size: 1rem;
            }
            .article-meta-bar {
                gap: 12px;
                font-size: 0.85rem;
            }
        }

        /* ── 推荐文章 ── */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-white);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 36px;
            text-align: center;
        }
        .related-section .section-title span {
            color: var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .related-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .related-card .card-body .read-more {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .card-body .read-more:hover {
            color: var(--accent-hover);
        }

        @media screen and (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 560px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ── CTA 区块 ── */
        .article-cta {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .article-cta .container {
            position: relative;
            z-index: 2;
        }
        .article-cta h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .article-cta p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .article-cta .btn-group {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,168,56,0.4);
            color: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            padding: 13px 38px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255,255,255,0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ── 页脚 ── */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.3rem;
            margin-bottom: 16px;
            display: block;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.92rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 6px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.6);
            font-size: 1.2rem;
            transition: var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(232,168,56,0.3);
            padding: 0;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 22px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media screen and (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media screen and (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ── 通用工具 ── */
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }

        /* ── JSON-LD 结构化数据 ── */
        .json-ld-wrap {
            display: none;
        }

/* roulang page: category1 */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f1f33;
            --accent: #d4a843;
            --accent-light: #e8c96a;
            --accent-dark: #b8892e;
            --bg-light: #f8f7f4;
            --bg-card: #ffffff;
            --bg-dark: #1a2a3a;
            --text-dark: #1a1a2e;
            --text-body: #2d3a4a;
            --text-light: #6a7a8a;
            --text-white: #f0f4fa;
            --border-light: #e6e9ed;
            --border-accent: #d4a843;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        .button {
            transition: var(--transition);
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible,
        .button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .logo-text {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text .accent {
            color: var(--accent);
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            background: var(--primary);
            color: #fff !important;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            margin-left: 8px;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 58, 92, 0.25);
            color: #fff !important;
        }
        .nav-cta i {
            font-size: 13px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: var(--text-dark);
            padding: 4px 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media (max-width: 880px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                align-items: stretch;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                justify-content: center;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(26, 58, 92, 0.08);
                border-left: 3px solid var(--accent);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 18px;
            }
            .main-nav {
                padding: 12px 16px 20px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            margin-top: var(--header-height);
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            opacity: 0.35;
            transform: scale(1.02);
            transition: transform 0.6s ease;
        }
        .hero-section:hover .hero-bg {
            transform: scale(1.04);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 51, 0.88) 0%, rgba(26, 58, 92, 0.72) 60%, rgba(42, 90, 140, 0.40) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 70px;
            color: var(--text-white);
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 168, 67, 0.2);
            border: 1px solid rgba(212, 168, 67, 0.35);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-light);
            letter-spacing: 0.3px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }

        .hero-content p {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(240, 244, 250, 0.85);
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            font-size: 16px;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.45);
            color: var(--primary-dark) !important;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(212, 168, 67, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            color: var(--text-white) !important;
            font-weight: 600;
            font-size: 15px;
            border-radius: 50px;
            border: 1.5px solid rgba(240, 244, 250, 0.4);
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(240, 244, 250, 0.7);
            transform: translateY(-2px);
            color: #fff !important;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 420px;
            }
            .hero-content {
                padding: 60px 0 50px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content p {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content p {
                font-size: 15px;
            }
        }

        /* ===== Section Shared ===== */
        .section-block {
            padding: 80px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .section-header h2 .accent {
            color: var(--accent-dark);
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 3px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .section-header p {
                font-size: 15px;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== Feature / Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 30px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(212, 168, 67, 0.25);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 168, 67, 0.12);
            border-radius: var(--radius-sm);
            font-size: 24px;
            color: var(--accent-dark);
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: rgba(212, 168, 67, 0.2);
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .feature-card {
                padding: 26px 22px 24px;
            }
            .feature-card h3 {
                font-size: 18px;
            }
        }

        /* ===== Image + Text Split ===== */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .split-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .split-image:hover {
            box-shadow: var(--shadow-lg);
            transform: scale(1.01);
        }
        .split-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }

        .split-text h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .split-text p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .split-text ul {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .split-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-body);
        }
        .split-text ul li i {
            color: var(--accent-dark);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 880px) {
            .split-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .split-image img {
                height: 280px;
            }
            .split-text h3 {
                font-size: 24px;
            }
        }

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

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: var(--font-heading);
            transition: var(--transition);
        }
        .step-card:hover .step-number {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.08);
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 18px 22px;
            }
        }

        /* ===== Scenario Cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(212, 168, 67, 0.2);
        }

        .scenario-img {
            height: 200px;
            overflow: hidden;
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            border-radius: 0;
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.06);
        }

        .scenario-body {
            padding: 22px 24px 26px;
        }
        .scenario-body h4 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .scenario-body {
                padding: 18px 18px 22px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            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-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.25);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 26px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            cursor: pointer;
            gap: 16px;
            font-family: var(--font-body);
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(212, 168, 67, 0.04);
        }
        .faq-question .faq-toggle {
            font-size: 18px;
            color: var(--accent-dark);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-question[aria-expanded="true"] .faq-toggle {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 26px 18px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-section .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 51, 0.92) 0%, rgba(26, 58, 92, 0.78) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: var(--text-white);
            max-width: 660px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content h2 .accent {
            color: var(--accent);
        }
        .cta-content p {
            font-size: 17px;
            color: rgba(240, 244, 250, 0.8);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cta-content .btn-primary {
            font-size: 17px;
            padding: 16px 40px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .cta-content p {
                font-size: 15px;
            }
            .cta-content .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(240, 244, 250, 0.7);
            padding: 60px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand .logo .accent {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(240, 244, 250, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            color: rgba(240, 244, 250, 0.6);
            transition: var(--transition);
            font-size: 14px;
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(240, 244, 250, 0.7);
            font-size: 18px;
            transition: var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark) !important;
            transform: translateY(-2px);
            padding-left: 0;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 30px;
            font-size: 13px;
            color: rgba(240, 244, 250, 0.45);
        }
        .footer-bottom a {
            color: rgba(240, 244, 250, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 880px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mt-3 {
            margin-top: 40px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .mb-2 {
            margin-bottom: 24px;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-list .tag {
            display: inline-flex;
            padding: 6px 18px;
            background: rgba(212, 168, 67, 0.1);
            border: 1px solid rgba(212, 168, 67, 0.2);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .tag-list .tag:hover {
            background: rgba(212, 168, 67, 0.2);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
            z-index: 900;
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .back-to-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        @media (max-width: 520px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

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