/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f2b4a;
            --primary-light: #1a4570;
            --primary-dark: #091d33;
            --accent: #c9a84c;
            --accent-light: #e0c67a;
            --accent-dark: #a8882e;
            --bg: #f5f6f8;
            --bg-card: #ffffff;
            --bg-alt: #eef0f3;
            --text: #1a1a2e;
            --text-light: #5a5a7a;
            --text-white: #f8f9fa;
            --border: #e0e2e8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(15, 43, 74, 0.08);
            --shadow-hover: 0 12px 40px rgba(15, 43, 74, 0.15);
            --transition: 0.3s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 0.5rem; }
        h3 { font-size: 1.4rem; }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p { max-width: 640px; margin: 12px auto 0; font-size: 1.1rem; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: var(--text-white);
        }
        .btn-outline:hover {
            background: var(--text-white);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-primary:focus, .btn-outline:focus { outline: 3px solid var(--accent-light); outline-offset: 2px; }

        /* ===== 导航 ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(15, 43, 74, 0.95);
            backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo:hover { color: var(--accent-light); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            color: rgba(255,255,255,0.78);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .nav-list a:hover {
            color: #fff;
            background: rgba(255,255,255,0.08);
        }
        .nav-list a.active {
            color: var(--primary-dark);
            background: var(--accent);
            font-weight: 600;
        }
        .nav-list a.active:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }
        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255,255,255,0.06);
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            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: 120px 24px 80px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.18);
            color: var(--accent-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            border: 1px solid rgba(201, 168, 76, 0.25);
        }
        .hero h1 {
            color: #fff;
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            color: rgba(255,255,255,0.78);
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto 36px;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 卡片 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-light);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(201, 168, 76, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .card h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--primary); }
        .card p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; }
        .card .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(15, 43, 74, 0.06);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 500;
            margin-top: 14px;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .category-card i {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }
        .category-card h4 { font-size: 1.1rem; color: var(--primary); margin-bottom: 6px; }
        .category-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }
        .category-card .count {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            background: var(--bg);
            padding: 2px 14px;
            border-radius: 50px;
        }

        /* ===== 资讯列表 ===== */
        .post-list { display: flex; flex-direction: column; gap: 20px; }
        .post-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }
        .post-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-light);
            transform: translateX(4px);
        }
        .post-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            flex-shrink: 0;
            overflow: hidden;
        }
        .post-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .post-info { flex: 1; }
        .post-info h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .post-info h3 a { color: var(--primary); }
        .post-info h3 a:hover { color: var(--accent); }
        .post-info p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 8px; }
        .post-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .post-meta i { margin-right: 4px; color: var(--accent); }
        .post-meta .cat {
            background: rgba(201, 168, 76, 0.12);
            padding: 2px 12px;
            border-radius: 50px;
            color: var(--accent-dark);
        }
        .empty-tip {
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-light);
        }
        .empty-tip i { font-size: 2.4rem; color: var(--accent-light); margin-bottom: 16px; display: block; }

        /* ===== 数据板块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label { font-size: 0.95rem; color: var(--text-light); }

        /* ===== 流程 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }
        .step-item h4 { font-size: 1.1rem; margin-bottom: 8px; }
        .step-item p { font-size: 0.9rem; margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; 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: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent-light); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover { background: rgba(201, 168, 76, 0.04); }
        .faq-question i { color: var(--accent); transition: var(--transition); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center;
            padding: 80px 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-content { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
        .cta h2 { color: #fff; margin-bottom: 16px; }
        .cta p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 32px; }
        .cta .btn-primary { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }
        .cta .btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--primary-dark); }

        /* ===== 页脚 ===== */
        footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 24px 24px;
        }
        footer .container { max-width: var(--container); margin: 0 auto; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo { margin-bottom: 12px; font-size: 1.2rem; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 320px; }
        .footer-col h5 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .hero h1 { font-size: 2.6rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(15, 43, 74, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255,255,255,0.06);
            }
            .nav-list.open { display: flex; }
            .nav-toggle { display: block; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .section { padding: 56px 0; }
            .card-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .post-item { flex-direction: column; }
            .post-thumb { width: 100%; min-height: 140px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .section-title h2 { font-size: 1.5rem; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-24 { margin-top: 24px; }
        .mb-12 { margin-bottom: 12px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-alt { background: var(--bg-alt); }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #1a3a5c;
        --primary-light: #2a5a8c;
        --primary-dark: #0f1f33;
        --accent: #e8a838;
        --accent-light: #f0c060;
        --accent-dark: #c68a1e;
        --bg: #f8f9fc;
        --bg-alt: #f0f2f8;
        --bg-card: #ffffff;
        --text: #1a1a2e;
        --text-light: #5a5a72;
        --text-muted: #8a8aa0;
        --border: #e0e4ee;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow: 0 8px 30px rgba(26, 58, 92, 0.10);
        --shadow-hover: 0 16px 48px rgba(26, 58, 92, 0.18);
        --shadow-btn: 0 4px 14px rgba(232, 168, 56, 0.35);
        --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        --max-width: 1200px;
        --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        padding-top: var(--header-h);
    }
    a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    ul, ol { list-style: none; }
    button { cursor: pointer; font-family: inherit; border: none; background: none; }
    input, textarea { font-family: inherit; outline: none; }

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

    /* ===== Header / Nav ===== */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--header-h);
        background: rgba(255,255,255,0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        z-index: 1000;
        box-shadow: 0 2px 20px rgba(0,0,0,0.04);
    }
    header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: 0.5px;
        transition: var(--transition);
    }
    .logo i { color: var(--accent); font-size: 1.5rem; }
    .logo:hover { color: var(--primary-light); transform: scale(1.02); }
    nav { display: flex; align-items: center; }
    .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 8px; }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-list li a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-light);
        transition: var(--transition);
        position: relative;
    }
    .nav-list li a i { font-size: 0.9rem; }
    .nav-list li a:hover {
        color: var(--primary);
        background: rgba(26,58,92,0.06);
    }
    .nav-list li a.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 4px 12px rgba(26,58,92,0.20);
    }
    .nav-list li a.active:hover {
        background: var(--primary-light);
    }

    /* ===== Article Banner ===== */
    .article-banner {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
        padding: 60px 0 50px;
        position: relative;
        overflow: hidden;
        min-height: 260px;
        display: flex;
        align-items: center;
    }
    .article-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.12;
        mix-blend-mode: overlay;
    }
    .article-banner .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .article-banner .breadcrumb {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        color: rgba(255,255,255,0.65);
        font-size: 0.9rem;
        margin-bottom: 18px;
        flex-wrap: wrap;
    }
    .article-banner .breadcrumb a {
        color: rgba(255,255,255,0.75);
        transition: var(--transition);
    }
    .article-banner .breadcrumb a:hover { color: var(--accent); }
    .article-banner .breadcrumb span { color: rgba(255,255,255,0.5); }
    .article-banner h1 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.3;
        max-width: 800px;
        margin: 0 auto 16px;
        text-shadow: 0 2px 12px rgba(0,0,0,0.15);
    }
    .article-meta-bar {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 24px;
        color: rgba(255,255,255,0.75);
        font-size: 0.95rem;
        flex-wrap: wrap;
    }
    .article-meta-bar i { margin-right: 6px; color: var(--accent); }
    .article-meta-bar .tag {
        display: inline-block;
        background: rgba(232,168,56,0.20);
        color: var(--accent-light);
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
    }

    /* ===== Article Main ===== */
    .article-main {
        padding: 50px 0 70px;
    }
    .article-wrapper {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 48px;
        align-items: start;
    }
    .article-content {
        background: var(--bg-card);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 40px 44px;
        border: 1px solid var(--border);
    }
    .article-content .post-body {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text);
    }
    .article-content .post-body p {
        margin-bottom: 1.4em;
    }
    .article-content .post-body h2,
    .article-content .post-body h3 {
        margin-top: 1.6em;
        margin-bottom: 0.6em;
        color: var(--primary);
        font-weight: 700;
        line-height: 1.35;
    }
    .article-content .post-body h2 { font-size: 1.6rem; }
    .article-content .post-body h3 { font-size: 1.25rem; }
    .article-content .post-body ul,
    .article-content .post-body ol {
        padding-left: 1.6em;
        margin-bottom: 1.4em;
    }
    .article-content .post-body li {
        margin-bottom: 0.4em;
        list-style: disc;
    }
    .article-content .post-body blockquote {
        border-left: 4px solid var(--accent);
        background: var(--bg-alt);
        padding: 16px 24px;
        margin: 1.4em 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-light);
        font-style: italic;
    }
    .article-content .post-body img {
        margin: 1.6em auto;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
    }
    .article-content .post-body a {
        color: var(--accent-dark);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .article-content .post-body a:hover { color: var(--primary); }
    .article-footer-meta {
        margin-top: 36px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 0.92rem;
        color: var(--text-muted);
    }
    .article-footer-meta .share-btns {
        display: flex;
        gap: 10px;
    }
    .article-footer-meta .share-btns a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--bg-alt);
        color: var(--text-light);
        transition: var(--transition);
        font-size: 1.1rem;
    }
    .article-footer-meta .share-btns a:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 28px 24px;
        border: 1px solid var(--border);
    }
    .sidebar-card h4 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .sidebar-card h4 i { color: var(--accent); }
    .sidebar-list li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-list li:last-child { border-bottom: none; }
    .sidebar-list li a {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        font-size: 0.95rem;
        color: var(--text);
        font-weight: 500;
        transition: var(--transition);
    }
    .sidebar-list li a:hover { color: var(--accent-dark); }
    .sidebar-list li a .date {
        font-size: 0.8rem;
        color: var(--text-muted);
        font-weight: 400;
        white-space: nowrap;
    }
    .sidebar-cta {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        color: #fff;
        text-align: center;
        padding: 32px 20px;
    }
    .sidebar-cta h4 { color: #fff; justify-content: center; }
    .sidebar-cta h4 i { color: var(--accent); }
    .sidebar-cta p { font-size: 0.92rem; opacity: 0.85; margin-bottom: 20px; }
    .sidebar-cta .btn {
        background: var(--accent);
        color: var(--primary-dark);
        padding: 12px 32px;
        font-weight: 700;
        border-radius: 30px;
        box-shadow: var(--shadow-btn);
    }
    .sidebar-cta .btn:hover {
        background: var(--accent-light);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(232,168,56,0.40);
    }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center;
        padding: 80px 20px;
    }
    .not-found-box i {
        font-size: 4rem;
        color: var(--text-muted);
        margin-bottom: 24px;
    }
    .not-found-box h2 {
        font-size: 2rem;
        color: var(--primary);
        margin-bottom: 12px;
    }
    .not-found-box p {
        color: var(--text-light);
        font-size: 1.1rem;
        margin-bottom: 24px;
    }
    .not-found-box .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: var(--primary);
        color: #fff;
        padding: 14px 36px;
        border-radius: 30px;
        font-weight: 600;
        transition: var(--transition);
    }
    .not-found-box .btn:hover {
        background: var(--primary-light);
        transform: translateY(-3px);
        box-shadow: var(--shadow);
    }

    /* ===== Related Section ===== */
    .related-section {
        background: var(--bg-alt);
        padding: 60px 0;
    }
    .related-section h2 {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary);
        text-align: center;
        margin-bottom: 36px;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
        transition: var(--transition);
    }
    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .related-card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 0;
    }
    .related-card .card-body {
        padding: 20px 22px 24px;
    }
    .related-card .card-body h3 {
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .related-card .card-body h3 a {
        color: var(--text);
    }
    .related-card .card-body h3 a:hover { color: var(--accent-dark); }
    .related-card .card-body p {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 12px;
        font-size: 0.82rem;
        color: var(--text-muted);
    }
    .related-card .card-meta .tag-sm {
        background: var(--bg-alt);
        padding: 2px 12px;
        border-radius: 12px;
        font-size: 0.75rem;
        color: var(--text-light);
        font-weight: 600;
    }

    /* ===== Footer ===== */
    footer {
        background: var(--primary-dark);
        color: rgba(255,255,255,0.80);
        padding: 56px 0 32px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 36px;
    }
    .footer-brand .logo {
        color: #fff;
        font-size: 1.3rem;
        margin-bottom: 16px;
    }
    .footer-brand .logo i { color: var(--accent); }
    .footer-brand p {
        font-size: 0.92rem;
        line-height: 1.7;
        opacity: 0.75;
        max-width: 360px;
    }
    .footer-col h5 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col a {
        display: block;
        color: rgba(255,255,255,0.65);
        font-size: 0.92rem;
        padding: 5px 0;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--accent); padding-left: 4px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.10);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.85rem;
        opacity: 0.60;
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.95rem;
        transition: var(--transition);
        border: none;
        background: var(--primary);
        color: #fff;
    }
    .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
    .btn-accent {
        background: var(--accent);
        color: var(--primary-dark);
        box-shadow: var(--shadow-btn);
    }
    .btn-accent:hover { background: var(--accent-light); box-shadow: 0 8px 24px rgba(232,168,56,0.40); }
    .btn-outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }
    .btn-outline:hover { background: var(--primary); color: #fff; }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-wrapper {
            grid-template-columns: 1fr;
        }
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        body { padding-top: 64px; }
        :root { --header-h: 64px; }
        .nav-toggle { display: block; }
        .nav-list {
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(16px);
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 4px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.10);
            transform: translateY(-120%);
            opacity: 0;
            transition: var(--transition);
            border-bottom: 2px solid var(--border);
        }
        .nav-list.open {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-list li a {
            width: 100%;
            justify-content: center;
            padding: 14px 20px;
            font-size: 1rem;
        }
        .article-banner { padding: 40px 0 36px; min-height: 200px; }
        .article-banner h1 { font-size: 1.6rem; }
        .article-meta-bar { gap: 14px; font-size: 0.85rem; }
        .article-content { padding: 24px 20px; }
        .article-content .post-body { font-size: 1rem; }
        .related-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
        .footer-brand p { margin: 0 auto; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .article-banner h1 { font-size: 1.35rem; }
        .article-meta-bar { font-size: 0.8rem; gap: 10px; }
        .article-content { padding: 18px 14px; }
        .article-footer-meta { flex-direction: column; align-items: flex-start; }
        .sidebar-card { padding: 20px 16px; }
        .logo { font-size: 1.1rem; }
        .logo i { font-size: 1.2rem; }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --secondary: #d4a844;
            --secondary-light: #e8c66a;
            --secondary-dark: #b8892e;
            --accent: #e8553a;
            --accent-light: #f06a52;
            --bg-main: #f7f5f2;
            --bg-card: #ffffff;
            --bg-dark: #1a2a3a;
            --bg-footer: #0f1a28;
            --text-primary: #1e2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #8a9aaa;
            --text-white: #f0ece6;
            --border-light: #e8e4df;
            --border-medium: #d0ccc6;
            --shadow-sm: 0 2px 8px rgba(26, 42, 60, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 60, 0.08);
            --shadow-lg: 0 12px 40px rgba(26, 42, 60, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
            --container-w: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-h);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        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);
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 72px 0;
        }

        /* ===== Header / Nav ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        header .logo i {
            color: var(--secondary);
            font-size: 1.5rem;
        }
        header .logo:hover {
            color: var(--primary-dark);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: var(--bg-main);
        }
        .nav-toggle:hover {
            background: var(--border-light);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .nav-list li a i {
            font-size: 1rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-list li a:hover {
            background: var(--bg-main);
            color: var(--primary);
        }
        .nav-list li a:hover i {
            color: var(--secondary);
        }
        .nav-list li a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-list li a.active i {
            color: var(--secondary-light);
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 24px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 26, 40, 0.65);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .category-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .category-hero h1 i {
            color: var(--secondary-light);
            margin-right: 10px;
        }
        .category-hero p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 600px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 68, 0.2);
            border: 1px solid rgba(212, 168, 68, 0.3);
            padding: 8px 20px;
            border-radius: 50px;
            color: var(--secondary-light);
            font-size: 0.9rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            margin-bottom: 16px;
        }
        .category-hero .hero-badge i {
            color: var(--secondary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar span {
            color: var(--text-light);
        }
        .breadcrumb-bar .separator {
            color: var(--border-medium);
            font-weight: 300;
        }

        /* ===== Section Common ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-line {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ===== Guide Cards Grid ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--secondary-light);
        }
        .guide-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .guide-card .card-body {
            padding: 24px 22px 26px;
        }
        .guide-card .card-body .tag {
            display: inline-block;
            background: rgba(212, 168, 68, 0.12);
            color: var(--secondary-dark);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .guide-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .guide-card .card-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .guide-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .guide-card .card-body .card-meta i {
            color: var(--secondary);
            margin-right: 4px;
        }
        .guide-card .card-body .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            background: transparent;
            border: 2px solid var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            transition: all var(--transition);
        }
        .guide-card .card-body .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Feature Steps ===== */
        .steps-section {
            background: var(--bg-card);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-main);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary-light);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: 0 4px 14px rgba(26, 58, 92, 0.2);
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .step-item i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        /* ===== 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-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 1.1rem;
            transition: transform var(--transition);
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 26, 40, 0.7);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 72px 24px;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section h2 i {
            color: var(--secondary-light);
            margin-right: 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 50px;
            box-shadow: 0 8px 30px rgba(212, 168, 68, 0.3);
            transition: all var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 40px rgba(212, 168, 68, 0.4);
        }
        .cta-section .btn-cta i {
            font-size: 1.15rem;
        }

        /* ===== Footer ===== */
        footer {
            background: var(--bg-footer);
            color: rgba(240, 236, 230, 0.7);
            padding: 56px 0 0;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        footer .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        footer .footer-brand .logo i {
            color: var(--secondary);
        }
        footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(240, 236, 230, 0.6);
            max-width: 320px;
            line-height: 1.7;
        }
        footer .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        footer .footer-col a {
            display: block;
            color: rgba(240, 236, 230, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        footer .footer-col a:hover {
            color: var(--secondary-light);
        }
        footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(240, 236, 230, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        footer .footer-bottom span:last-child {
            color: rgba(212, 168, 68, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .category-hero {
                min-height: 260px;
                padding: 40px 20px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 16px;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .container {
                padding: 48px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta {
                padding: 14px 30px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-badge {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .guide-card .card-body {
                padding: 18px 16px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
            }
        }

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