/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b33;
            --primary-light: #1a2d54;
            --primary-dark: #080f1f;
            --accent: #f0b429;
            --accent-light: #f5c84d;
            --accent-dark: #d49f1a;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-section: #f1f4f9;
            --text: #1a1a2e;
            --text-light: #4a5568;
            --text-muted: #8a94a6;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.1);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.25s ease;
            --max-width: 1200px;
            --nav-height: 72px;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== 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-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        button { font: inherit; cursor: pointer; border: none; background: none; }
        input, textarea { font: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            z-index: 1000;
            background: rgba(15, 27, 51, 0.55);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 27, 51, 0.92);
            box-shadow: 0 4px 30px rgba(0,0,0,0.25);
            border-bottom-color: rgba(255,255,255,0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 28px;
        }
        .site-logo span {
            background: linear-gradient(135deg, #fff 60%, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a i { font-size: 14px; }
        .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-links a.active {
            color: #fff;
            background: rgba(240, 180, 41, 0.18);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            transition: all var(--transition);
            margin-left: 12px;
        }
        .nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(240,180,41,0.3); }
        .nav-toggle { display: none; font-size: 24px; color: #fff; padding: 4px; }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(15,27,51,0.98);
                backdrop-filter: blur(24px);
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
                border-bottom: 1px solid rgba(255,255,255,0.06);
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a { padding: 12px 16px; font-size: 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav-links a.active::after { display: none; }
            .nav-links a.active { background: rgba(240,180,41,0.15); border-left: 3px solid var(--accent); }
            .nav-cta { margin-left: 0; margin-top: 8px; justify-content: center; width: 100%; }
            .nav-toggle { display: block; }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15,27,51,0.88) 30%, rgba(15,27,51,0.40) 80%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(240,180,41,0.15);
            border: 1px solid rgba(240,180,41,0.25);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .hero-badge i { font-size: 12px; }
        .hero h1 {
            font-size: clamp(36px, 6vw, 64px);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            color: rgba(255,255,255,0.7);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(240,180,41,0.25);
        }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(240,180,41,0.35); }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            transition: all var(--transition);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px 48px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .hero-stat { text-align: center; }
        .hero-stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-number .accent { color: var(--accent); }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .hero { min-height: 70vh; padding: 100px 16px 60px; }
            .hero h1 { font-size: 30px; }
            .hero p { font-size: 16px; }
            .hero-stats { gap: 20px 32px; }
            .hero-stat-number { font-size: 26px; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 60vh; padding: 90px 16px 40px; }
            .hero h1 { font-size: 26px; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt { background: var(--bg-section); }
        .section-dark {
            background: var(--primary);
            color: rgba(255,255,255,0.85);
        }
        .section-dark h2, .section-dark h3 { color: #fff; }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .section-header .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(240,180,41,0.1);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-dark .section-header p { color: rgba(255,255,255,0.6); }
        .section-dark .section-header .subtitle { background: rgba(240,180,41,0.15); color: var(--accent-light); }

        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .section-header { margin-bottom: 32px; }
        }

        /* ===== 平台简介 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
        }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,27,51,0.1), transparent);
            pointer-events: none;
        }
        .intro-text h3 {
            font-size: 28px;
            margin-bottom: 16px;
        }
        .intro-text p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 24px;
        }
        .intro-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-section);
        }
        .intro-feature i { color: var(--accent-dark); font-size: 16px; }

        @media (max-width: 768px) {
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-image img { height: 240px; }
            .intro-features { grid-template-columns: 1fr; }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .category-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(240,180,41,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--accent-dark);
            transition: all var(--transition);
        }
        .category-card:hover .icon { background: var(--accent); color: var(--primary); }
        .category-card h3 { font-size: 20px; margin-bottom: 8px; }
        .category-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; }
        .category-card .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(240,180,41,0.1);
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            transition: all var(--transition);
        }
        .category-card .card-link i { font-size: 12px; transition: transform var(--transition); }
        .category-card:hover .card-link i { transform: translateX(4px); }

        /* ===== 最新资讯 / CMS 列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240,180,41,0.2);
        }
        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            background: var(--bg-section);
        }
        .news-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-card-meta .cat {
            padding: 2px 10px;
            border-radius: 50px;
            background: rgba(240,180,41,0.1);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 11px;
        }
        .news-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--primary);
        }
        .news-card-body h3 a { color: inherit; }
        .news-card-body h3 a:hover { color: var(--accent-dark); }
        .news-card-body .excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .news-card-body .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .news-card-body .read-more i { font-size: 11px; transition: transform var(--transition); }
        .news-card-body .read-more:hover i { transform: translateX(4px); }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        @media (max-width: 520px) {
            .news-grid { grid-template-columns: 1fr; }
        }

        /* ===== 平台优势 / 数据 ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
        }
        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .advantage-card .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent-dark);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .advantage-card h4 { font-size: 18px; margin-bottom: 6px; }
        .advantage-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

        /* ===== 特色服务 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .service-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .service-card-body {
            padding: 22px 22px 26px;
        }
        .service-card-body h4 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .service-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 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);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open { border-color: var(--accent); box-shadow: 0 2px 16px rgba(240,180,41,0.08); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            gap: 16px;
        }
        .faq-question:hover { color: var(--accent-dark); }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent-dark); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 40px);
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255,255,255,0.65);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            font-size: 17px;
            padding: 16px 40px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.6);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .site-logo { margin-bottom: 12px; }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            padding: 4px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

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

        /* ===== 滚动渐入动画 ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
/* ========== Design Variables ========== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c9a020;
            --accent: #ff6b35;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a4a;
            --bg-soft: #eef1f8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f8;
            --border-light: #e2e6f0;
            --border-focus: #1a2a6c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 42, 108, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        a { color: var(--primary); 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; }
        ul, ol { list-style: none; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height);
            background: rgba(255,255,255,0.75);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid rgba(26,42,108,0.08);
            box-shadow: 0 1px 12px rgba(26,42,108,0.04);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.95);
            box-shadow: 0 4px 20px rgba(26,42,108,0.10);
        }
        .header-inner {
            max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 22px; font-weight: 700; color: var(--primary);
        }
        .site-logo i { color: var(--secondary); font-size: 26px; }
        .site-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 18px; border-radius: 30px; font-size: 15px; font-weight: 500;
            color: var(--text-secondary); transition: all var(--transition);
            position: relative; white-space: nowrap;
        }
        .nav-links a i { margin-right: 6px; font-size: 14px; }
        .nav-links a:hover { color: var(--primary); background: rgba(26,42,108,0.06); }
        .nav-links a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 12px rgba(26,42,108,0.25); }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark); font-weight: 600; box-shadow: 0 4px 14px rgba(232,184,48,0.35);
        }
        .nav-links a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,184,48,0.45); }
        .nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--primary); cursor: pointer; padding: 8px; border-radius: var(--radius-sm); }

        /* ========== Article Hero ========== */
        .article-hero {
            position: relative; margin-top: var(--header-height);
            padding: 100px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.20; mix-blend-mode: overlay;
        }
        .article-hero::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(232,184,48,0.15), transparent 60%);
        }
        .article-hero .container-narrow { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            display: flex; align-items: center; gap: 10px; font-size: 14px;
            color: rgba(255,255,255,0.7); margin-bottom: 24px; flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-hero .breadcrumb a:hover { color: var(--secondary); }
        .article-hero .breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-hero .post-category {
            display: inline-block; padding: 4px 16px; border-radius: 30px;
            background: rgba(232,184,48,0.25); color: var(--secondary-light);
            font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
            margin-bottom: 18px; border: 1px solid rgba(232,184,48,0.2);
        }
        .article-hero h1 {
            font-size: 40px; font-weight: 800; color: #fff;
            line-height: 1.25; letter-spacing: -0.5px; max-width: 800px;
        }
        .article-hero .post-meta {
            display: flex; align-items: center; gap: 20px; margin-top: 24px;
            color: rgba(255,255,255,0.7); font-size: 15px; flex-wrap: wrap;
        }
        .article-hero .post-meta i { margin-right: 6px; color: var(--secondary); }

        /* ========== Article Content ========== */
        .article-main { padding: 60px 0 80px; }
        .article-body {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 48px 56px; box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .article-body p { margin-bottom: 20px; font-size: 17px; line-height: 1.85; color: var(--text-secondary); }
        .article-body h2 { font-size: 26px; font-weight: 700; color: var(--primary); margin: 40px 0 16px; }
        .article-body h3 { font-size: 21px; font-weight: 600; color: var(--text-primary); margin: 32px 0 12px; }
        .article-body ul, .article-body ol { margin: 0 0 20px 24px; }
        .article-body li { margin-bottom: 10px; font-size: 16px; color: var(--text-secondary); list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body a { color: var(--primary); border-bottom: 1px solid transparent; }
        .article-body a:hover { border-bottom-color: var(--secondary); color: var(--secondary); }
        .article-body blockquote {
            margin: 28px 0; padding: 24px 32px; border-left: 4px solid var(--secondary);
            background: var(--bg-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic; color: var(--text-secondary); font-size: 17px;
        }
        .article-body img { margin: 28px 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .article-body .post-tags {
            display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 28px;
            border-top: 1px solid var(--border-light);
        }
        .article-body .post-tags span {
            padding: 5px 16px; border-radius: 30px; background: var(--bg-soft);
            color: var(--text-secondary); font-size: 13px; font-weight: 500;
            border: 1px solid var(--border-light); transition: all var(--transition);
        }
        .article-body .post-tags span:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ========== Article Nav ========== */
        .article-nav {
            margin-top: 40px; display: flex; justify-content: space-between; gap: 20px;
            flex-wrap: wrap;
        }
        .article-nav a {
            padding: 12px 28px; border-radius: 30px; background: var(--bg-card);
            border: 1px solid var(--border-light); color: var(--text-secondary);
            font-size: 15px; font-weight: 500; transition: all var(--transition);
            display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-sm);
        }
        .article-nav a:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .article-nav a i { font-size: 18px; }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 80px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.10; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .cta-section p { font-size: 18px; color: rgba(255,255,255,0.8); max-width: 640px; margin: 0 auto 32px; }
        .cta-btn {
            display: inline-block; padding: 16px 48px; border-radius: 50px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark); font-size: 18px; font-weight: 700;
            box-shadow: 0 8px 30px rgba(232,184,48,0.35);
            transition: all var(--transition); border: none; cursor: pointer;
        }
        .cta-btn i { margin-right: 10px; }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(232,184,48,0.45); color: var(--primary-dark); }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.85); padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
        .footer-brand .site-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 360px; }
        .footer-col h5 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 12px; transition: all var(--transition); }
        .footer-col a:hover { color: var(--secondary); transform: translateX(4px); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
            display: flex; justify-content: space-between; align-items: center;
            font-size: 14px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .article-body { padding: 36px 32px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0 16px; }
            .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(18px); flex-direction: column; padding: 16px 24px 24px; gap: 6px; box-shadow: 0 12px 32px rgba(26,42,108,0.12); border-radius: 0 0 var(--radius-md) var(--radius-md); }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; padding: 12px 20px; border-radius: var(--radius-sm); }
            .nav-links a.nav-cta { text-align: center; }
            .nav-toggle { display: block; }
            .article-hero { padding: 80px 0 40px; }
            .article-hero h1 { font-size: 28px; }
            .article-body { padding: 24px 20px; }
            .article-body p { font-size: 16px; }
            .article-body h2 { font-size: 22px; }
            .article-body h3 { font-size: 18px; }
            .cta-section h2 { font-size: 26px; }
            .cta-section p { font-size: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 22px; }
            .article-body { padding: 16px 14px; border-radius: var(--radius-md); }
            .article-body p { font-size: 15px; }
            .article-nav a { font-size: 14px; padding: 10px 18px; }
            .cta-section h2 { font-size: 22px; }
            .cta-btn { padding: 14px 32px; font-size: 16px; }
        }

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

        /* ========== Article Not Found ========== */
        .not-found-box {
            text-align: center; padding: 80px 24px;
            background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md); border: 1px solid var(--border-light);
        }
        .not-found-box i { font-size: 56px; color: var(--secondary); margin-bottom: 24px; display: block; }
        .not-found-box h2 { font-size: 28px; color: var(--primary); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }
        .not-found-box a { display: inline-block; padding: 12px 32px; border-radius: 30px; background: var(--primary); color: #fff; font-weight: 600; transition: all var(--transition); }
        .not-found-box a:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #f0b90b;
            --accent-light: #fcd34d;
            --accent-dark: #d4a50a;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a4a;
            --text-dark: #1a1a2e;
            --text-body: #2d3748;
            --text-muted: #6b7280;
            --text-light: #f8f9fc;
            --border-color: #e5e7eb;
            --border-light: #f0f1f5;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --shadow-glow: 0 0 30px rgba(240,185,11,0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.25; }

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

        /* ===== Header / Navigation (Glass Immersive) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255,255,255,0.72);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid rgba(255,255,255,0.25);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.94);
            box-shadow: 0 4px 30px rgba(0,0,0,0.08);
            border-bottom-color: var(--border-color);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
            filter: drop-shadow(0 0 8px rgba(240,185,11,0.3));
        }
        .site-logo:hover { opacity: 0.85; color: var(--primary-dark); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-links a i { font-size: 0.9rem; }
        .nav-links a:hover {
            background: rgba(26,42,108,0.06);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26,42,108,0.25);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(240,185,11,0.25);
            padding: 8px 22px;
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(240,185,11,0.35);
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 60%, rgba(240,185,11,0.10), transparent 70%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.15);
        }
        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
        }
        .banner-badge i { color: var(--accent); }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 50px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            margin-top: 12px;
        }

        /* ===== Guide Intro Cards ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .guide-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(240,185,11,0.12), rgba(240,185,11,0.04));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .guide-card:hover .icon-wrap {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary-dark);
        }
        .guide-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .guide-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Steps / Process ===== */
        .steps-wrap {
            display: flex;
            flex-direction: column;
            gap: 28px;
            max-width: 800px;
            margin: 0 auto;
        }
        .step-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: var(--bg-white);
            padding: 28px 32px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Features / Highlights ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .feature-item .f-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Content List / News ===== */
        .content-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .content-item {
            display: flex;
            gap: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: center;
        }
        .content-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
            transform: translateX(4px);
        }
        .content-item .ci-thumb {
            width: 100px;
            height: 72px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            flex-shrink: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
        }
        .content-item .ci-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-item .ci-body { flex: 1; }
        .content-item .ci-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-dark);
        }
        .content-item .ci-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .content-item .ci-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            margin-top: 6px;
        }
        .content-item .ci-meta i { margin-right: 4px; }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent-light); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            background: transparent;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover { background: rgba(240,185,11,0.04); }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--accent-dark);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.2rem;
            color: #fff;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 30px rgba(240,185,11,0.3);
            transition: var(--transition);
            border: none;
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(240,185,11,0.4);
            color: var(--primary-dark);
        }
        .cta-btn i { font-size: 1.1rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand .site-logo i { color: var(--accent); }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 360px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0 30px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.1);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                align-items: stretch;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 12px 18px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .nav-toggle { display: block; }

            .page-banner { padding: 120px 0 60px; min-height: 280px; }
            .page-banner h1 { font-size: 2rem; }
            .page-banner p { font-size: 1rem; }

            .section { padding: 56px 0; }
            .section-title h2 { font-size: 1.6rem; }
            .section-title p { font-size: 0.95rem; }

            .guide-grid { grid-template-columns: 1fr; gap: 20px; }
            .features-grid { grid-template-columns: 1fr; gap: 20px; }
            .step-item { flex-direction: column; padding: 20px; }
            .content-item { flex-direction: column; padding: 20px; }
            .content-item .ci-thumb { width: 100%; height: 120px; }

            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .cta-section h2 { font-size: 1.6rem; }
            .cta-section p { font-size: 1rem; }
            .cta-btn { padding: 12px 28px; font-size: 0.95rem; }
        }

        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.6rem; }
            .guide-card { padding: 24px 18px; }
            .feature-item { padding: 24px 18px; }
            .faq-question { padding: 14px 16px; font-size: 0.9rem; }
            .section-title { margin-bottom: 36px; }
        }

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