/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #8B6B4D;
            --color-primary-dark: #6F5239;
            --color-primary-light: #B8956E;
            --color-accent: #D4A574;
            --color-accent-light: #E8C9A8;
            --color-bg: #F5F0EB;
            --color-bg-card: #FDFBF9;
            --color-bg-dark: #3D2B1F;
            --color-bg-footer: #2C1810;
            --color-text: #2C1810;
            --color-text-light: #6B5A4E;
            --color-text-muted: #9A8A7E;
            --color-border: #D9C8B8;
            --color-border-light: #E8DDD4;
            --color-white: #FFFFFF;
            --color-success: #6B8F6B;
            --color-warning: #C9A96E;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(44, 24, 16, 0.06);
            --shadow-md: 0 6px 24px rgba(44, 24, 16, 0.08);
            --shadow-lg: 0 12px 40px rgba(44, 24, 16, 0.12);
            --transition: all 0.3s ease;
            --font-sans: 'Segoe UI', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --sidebar-width: 240px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 900px; margin: 0 auto; padding: 0 24px; }

        /* ===== 布局：左侧导航 + 右侧内容 ===== */
        .layout-wrap { display: flex; min-height: 100vh; }

        /* ---- 左侧导航 (桌面) ---- */
        .sidebar {
            width: var(--sidebar-width);
            background: var(--color-bg-dark);
            color: var(--color-white);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0; left: 0; bottom: 0;
            z-index: 100;
            padding: 32px 0 24px;
            border-right: 1px solid rgba(255,255,255,0.06);
            box-shadow: 2px 0 20px rgba(0,0,0,0.2);
            transition: var(--transition);
        }
        .sidebar .logo-area {
            padding: 0 20px 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 24px;
        }
        .sidebar .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-accent-light);
            letter-spacing: 0.5px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar .logo i { font-size: 1.6rem; color: var(--color-accent); }
        .sidebar .logo-sub {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.4);
            margin-top: 4px;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .sidebar nav { flex: 1; padding: 0 12px; }
        .sidebar nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 4px;
        }
        .sidebar nav a i { width: 20px; text-align: center; font-size: 1.05rem; color: rgba(255,255,255,0.4); }
        .sidebar nav a:hover {
            background: rgba(255,255,255,0.08);
            color: var(--color-white);
        }
        .sidebar nav a.active {
            background: var(--color-primary);
            color: var(--color-white);
            box-shadow: 0 4px 12px rgba(139, 107, 77, 0.3);
        }
        .sidebar nav a.active i { color: var(--color-white); }
        .sidebar .sidebar-footer {
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.7rem;
            color: rgba(255,255,255,0.25);
            text-align: center;
            line-height: 1.6;
        }

        /* ---- 右侧主内容 ---- */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            background: var(--color-bg);
        }

        /* ===== 移动端顶部导航 (隐藏于桌面) ===== */
        .topbar-mobile {
            display: none;
            background: var(--color-bg-dark);
            color: var(--color-white);
            padding: 14px 20px;
            position: sticky;
            top: 0;
            z-index: 200;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
            align-items: center;
            justify-content: space-between;
        }
        .topbar-mobile .logo-mobile {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar-mobile .hamburger {
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .topbar-mobile .hamburger:hover { background: rgba(255,255,255,0.1); }

        /* 移动端抽屉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px; left: 0; right: 0; bottom: 0;
            background: var(--color-bg-dark);
            z-index: 199;
            padding: 20px 24px;
            overflow-y: auto;
            backdrop-filter: blur(4px);
        }
        .mobile-menu.open { display: block; }
        .mobile-menu nav a {
            display: block;
            padding: 14px 16px;
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .mobile-menu nav a i { margin-right: 12px; width: 20px; text-align: center; }
        .mobile-menu nav a:hover { background: rgba(255,255,255,0.08); color: var(--color-white); }
        .mobile-menu nav a.active { background: var(--color-primary); color: var(--color-white); }
        .mobile-menu .mobile-menu-footer {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.75rem;
            color: rgba(255,255,255,0.3);
            text-align: center;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            padding: 80px 40px 80px;
            background: var(--color-bg-dark);
            color: var(--color-white);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            filter: saturate(0.7) brightness(0.6);
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44,24,16,0.85) 0%, rgba(61,43,31,0.6) 100%);
            z-index: 1;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-bg-dark);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--color-accent); }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero .btn-primary {
            background: var(--color-accent);
            color: var(--color-bg-dark);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 20px rgba(212, 165, 116, 0.3);
        }
        .hero .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 165, 116, 0.4);
        }
        .hero .btn-outline {
            background: transparent;
            color: var(--color-white);
            padding: 13px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.3);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212, 165, 116, 0.08);
        }

        /* ===== 板块通用间距 ===== */
        .section { padding: 72px 0; }
        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-heading p {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-heading .heading-line {
            width: 60px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .feature-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-accent-light);
            color: var(--color-primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .feature-card:hover .icon-wrap { background: var(--color-accent); color: var(--color-white); }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-card-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .category-card .cat-img {
            height: 180px;
            overflow: hidden;
            background: var(--color-bg-dark);
        }
        .category-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .cat-img img { transform: scale(1.05); }
        .category-card .cat-body {
            padding: 20px 24px 24px;
        }
        .category-card .cat-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .category-card .cat-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .category-card .cat-tag {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-primary-dark);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .category-card .cat-link i { font-size: 0.8rem; transition: var(--transition); }
        .category-card:hover .cat-link i { transform: translateX(4px); }

        /* ===== 最新资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 20px; }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .news-item .news-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-dark);
            flex-shrink: 0;
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-body { flex: 1; }
        .news-item .news-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-item .news-body h3 a { color: var(--color-text); }
        .news-item .news-body h3 a:hover { color: var(--color-primary); }
        .news-item .news-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-item .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .news-item .news-meta span { display: flex; align-items: center; gap: 4px; }
        .news-item .news-meta .cat-badge {
            background: var(--color-accent-light);
            color: var(--color-primary-dark);
            padding: 1px 12px;
            border-radius: 30px;
            font-weight: 600;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-muted);
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }
        .news-empty i { font-size: 2rem; margin-bottom: 16px; color: var(--color-border); }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            text-align: center;
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 36px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-card .stat-number span { font-size: 1.2rem; font-weight: 600; color: var(--color-text-muted); }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* ===== 服务流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(139, 107, 77, 0.3);
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            margin-top: 8px;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-accent-light); }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover { color: var(--color-primary); }
        .faq-item .faq-question i { font-size: 0.85rem; color: var(--color-text-muted); transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--color-primary); }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg-dark);
            color: var(--color-white);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            filter: brightness(0.4);
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section h2 span { color: var(--color-accent); }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 32px;
        }
        .cta-section .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-section .btn-cta {
            background: var(--color-accent);
            color: var(--color-bg-dark);
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 24px rgba(212, 165, 116, 0.25);
        }
        .cta-section .btn-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 165, 116, 0.35);
        }
        .cta-section .btn-cta-outline {
            background: transparent;
            color: var(--color-white);
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.25);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212, 165, 116, 0.06);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-footer);
            color: rgba(255,255,255,0.6);
            padding: 48px 0 32px;
            font-size: 0.88rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand p {
            color: rgba(255,255,255,0.5);
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
        }
        .site-footer ul li { margin-bottom: 8px; }
        .site-footer ul li a {
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer ul li a:hover { color: var(--color-accent); }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            margin-top: 24px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.3);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.4); }
        .site-footer .footer-bottom a:hover { color: var(--color-accent); }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .hero h1 { font-size: 2.4rem; }
            .hero { padding: 60px 30px 60px; min-height: 360px; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media screen and (max-width: 768px) {
            .sidebar { display: none; }
            .topbar-mobile { display: flex; }
            .main-content { margin-left: 0; }
            .layout-wrap { flex-direction: column; }
            .hero { padding: 48px 20px 56px; min-height: auto; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .section { padding: 48px 0; }
            .section-heading { margin-bottom: 32px; }
            .section-heading h2 { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr 1fr; }
            .category-card-wrap { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; }
            .news-item .news-thumb { width: 100%; height: 140px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .steps-grid { grid-template-columns: 1fr; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.5rem; }
            .hero .hero-actions { flex-direction: column; }
            .hero .btn-primary, .hero .btn-outline { width: 100%; justify-content: center; }
            .cta-section .cta-actions { flex-direction: column; align-items: center; }
            .stat-card .stat-number { font-size: 2.2rem; }
        }

        @media screen and (max-width: 520px) {
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 24px 12px; }
            .stat-card .stat-number { font-size: 1.8rem; }
            .hero h1 { font-size: 1.6rem; }
            .hero .hero-badge { font-size: 0.7rem; }
            .container { padding: 0 16px; }
            .section-heading h2 { font-size: 1.4rem; }
            .faq-item .faq-question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-item .faq-answer { padding: 0 16px 14px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-2 { margin-bottom: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-2 { gap: 12px; }
        .gap-3 { gap: 20px; }
        .rounded-full { border-radius: 9999px; }

        /* Foundation 覆写 - 复古风格调校 */
        .button.primary { background: var(--color-primary); }
        .button.primary:hover { background: var(--color-primary-dark); }
        .button { border-radius: var(--radius-sm); font-weight: 600; transition: var(--transition); }
        .card { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); background: var(--color-bg-card); border: 1px solid var(--color-border-light); }
        .callout { border-radius: var(--radius-sm); background: var(--color-bg-card); border: 1px solid var(--color-border-light); }
        .badge { background: var(--color-accent-light); color: var(--color-primary-dark); border-radius: 30px; font-weight: 600; padding: 2px 12px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #b8860b;
            --primary-dark: #8b6508;
            --primary-light: #daa520;
            --secondary: #2c1810;
            --accent: #c9982e;
            --bg-dark: #1a0f0a;
            --bg-darker: #120a06;
            --bg-card: #2a1a10;
            --bg-card-hover: #3a2518;
            --bg-section: #1f120c;
            --text-light: #f5e6d3;
            --text-muted: #c4a882;
            --text-dark: #8b7355;
            --border-color: #4a3020;
            --border-light: #6a4a30;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.6);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --nav-width: 240px;
            --header-height: 64px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: #f5d742;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-light);
        }

        /* ===== Scaffold ===== */
        .site-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* ===== Left Sidebar Nav (Desktop) ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: 0;
            overflow-y: auto;
        }
        .side-nav .nav-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .side-nav .nav-brand .logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }
        .side-nav .nav-brand .logo i {
            font-size: 1.4rem;
            color: var(--primary);
        }
        .side-nav .nav-brand .logo span {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 0.85rem;
        }
        .side-nav .nav-links {
            padding: 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .side-nav .nav-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .side-nav .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .side-nav .nav-links a:hover {
            background: var(--bg-card);
            color: var(--text-light);
            border-color: var(--border-color);
        }
        .side-nav .nav-links a:hover i {
            color: var(--primary-light);
        }
        .side-nav .nav-links a.active {
            background: var(--bg-card);
            color: var(--primary-light);
            border-color: var(--primary-dark);
            box-shadow: inset 0 0 0 1px var(--primary-dark);
        }
        .side-nav .nav-links a.active i {
            color: var(--primary-light);
        }
        .side-nav .nav-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.75rem;
            color: var(--text-dark);
            text-align: center;
        }

        /* ===== Main Content Area ===== */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-color);
            padding: 0 16px;
            height: var(--header-height);
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .logo {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .logo i {
            font-size: 1.2rem;
            color: var(--primary);
        }
        .mobile-toggle {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-light);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg-card);
            border-color: var(--primary-dark);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-color);
            z-index: 1100;
            padding: 24px 20px;
            transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            display: none;
        }
        .mobile-drawer.open {
            left: 0;
        }
        .mobile-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-drawer .drawer-header .logo {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-drawer .drawer-header .logo i {
            color: var(--primary);
        }
        .mobile-drawer .close-drawer {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px;
        }
        .mobile-drawer .close-drawer:hover {
            color: var(--text-light);
        }
        .mobile-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-drawer .drawer-links a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .mobile-drawer .drawer-links a i {
            width: 20px;
            color: var(--text-dark);
        }
        .mobile-drawer .drawer-links a:hover {
            background: var(--bg-card);
            color: var(--text-light);
        }
        .mobile-drawer .drawer-links a.active {
            background: var(--bg-card);
            color: var(--primary-light);
            border-color: var(--primary-dark);
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1050;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.open {
            display: block;
            opacity: 1;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-section);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 15, 10, 0.92) 40%, rgba(44, 24, 16, 0.7) 80%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(184, 134, 11, 0.2);
            border: 1px solid var(--primary-dark);
            border-radius: 40px;
            font-size: 0.8rem;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .category-hero .hero-badge i {
            font-size: 0.75rem;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.15;
        }
        .category-hero h1 .highlight {
            color: var(--primary-light);
        }
        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-dark);
            margin-top: 2px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section:last-of-type {
            border-bottom: none;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }
        .section-title .accent {
            color: var(--primary-light);
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .text-center {
            text-align: center;
        }

        /* ===== Guide Cards Grid ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .guide-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--border-color);
        }
        .guide-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(184, 134, 11, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(184, 134, 11, 0.25);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .guide-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .guide-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-dark);
        }
        .guide-card .card-meta i {
            margin-right: 4px;
        }
        .guide-card .card-meta .btn-sm {
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .guide-card .card-meta .btn-sm:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }

        /* ===== Tips / Features List ===== */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .tip-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .tip-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .tip-item .tip-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(184, 134, 11, 0.15);
            border: 1px solid var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-light);
        }
        .tip-item .tip-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-light);
        }
        .tip-item .tip-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-question .faq-toggle {
            flex-shrink: 0;
            color: var(--text-dark);
            transition: var(--transition);
            font-size: 1rem;
        }
        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item .faq-answer a {
            color: var(--primary-light);
            text-decoration: underline;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-section);
            text-align: center;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(184, 134, 11, 0.3);
        }
        .btn-cta i {
            font-size: 0.9rem;
        }
        .btn-cta-outline {
            background: transparent;
            border: 2px solid var(--primary-dark);
            color: var(--primary-light);
        }
        .btn-cta-outline:hover {
            background: rgba(184, 134, 11, 0.1);
            border-color: var(--primary-light);
            color: var(--primary-light);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo i {
            font-size: 1.3rem;
            color: var(--primary);
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .site-footer ul li a i {
            font-size: 0.65rem;
            color: var(--text-dark);
        }
        .site-footer ul li a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-dark);
            text-align: center;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 134, 11, 0.25);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border-light);
            color: var(--text-light);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(184, 134, 11, 0.08);
        }

        /* ===== Misc ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 0 auto 20px;
        }
        .divider-left {
            margin: 0 0 20px;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(184, 134, 11, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(184, 134, 11, 0.2);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
                gap: 24px;
            }
            .category-hero h1 {
                font-size: 2.4rem;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .drawer-overlay {
                display: block;
            }

            .category-hero {
                padding: 60px 0 50px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .tips-list {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media screen and (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .category-hero .hero-stats .stat-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.2rem;
            }
            .category-hero .hero-stats .stat-label {
                font-size: 0.8rem;
            }
            .guide-card .card-body {
                padding: 18px;
            }
            .tip-item {
                padding: 20px 16px;
                flex-direction: column;
                align-items: flex-start;
            }
            .tip-item .tip-icon {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .mobile-toggle:focus-visible,
        .faq-item .faq-question:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Foundation compatibility tweaks ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: article */
:root {
            --primary: #3d2c2c;
            --primary-light: #5a3e3e;
            --accent: #c9a86c;
            --accent-hover: #b8944f;
            --bg: #f8f4ef;
            --bg-card: #ffffff;
            --bg-dark: #2c1e1e;
            --text: #2d2d2d;
            --text-light: #7a7a7a;
            --text-white: #f5f0eb;
            --border: #e0d5c8;
            --border-light: #f0e8e0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(61,44,44,0.08);
            --shadow-hover: 0 8px 32px rgba(61,44,44,0.15);
            --transition: all 0.3s ease;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --sidebar-width: 220px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { font-size: 16px; scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Layout */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            padding: 30px 20px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            border-right: 2px solid rgba(201,168,108,0.3);
            overflow-y: auto;
        }
        .sidebar .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-serif);
            letter-spacing: 1px;
            margin-bottom: 35px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(201,168,108,0.25);
        }
        .sidebar .logo i { font-size: 1.5rem; }
        .sidebar nav { display: flex; flex-direction: column; gap: 6px; }
        .sidebar nav a {
            color: rgba(245,240,235,0.8);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
            font-weight: 400;
            border: 1px solid transparent;
        }
        .sidebar nav a i { width: 20px; text-align: center; font-size: 1rem; }
        .sidebar nav a:hover {
            color: var(--accent);
            background: rgba(201,168,108,0.10);
            border-color: rgba(201,168,108,0.20);
            transform: translateX(4px);
        }
        .sidebar nav a.active {
            color: var(--accent);
            background: rgba(201,168,108,0.15);
            border-color: rgba(201,168,108,0.30);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidebar-footer {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid rgba(201,168,108,0.15);
            font-size: 0.8rem;
            color: rgba(245,240,235,0.5);
            text-align: center;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Top bar (mobile) */
        .topbar {
            display: none;
            background: var(--primary);
            color: var(--text-white);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 99;
            border-bottom: 2px solid rgba(201,168,108,0.3);
        }
        .topbar .logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-serif);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar .menu-toggle {
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .topbar .menu-toggle:hover { background: rgba(201,168,108,0.15); }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            background: var(--primary);
            padding: 0 20px 20px;
            border-bottom: 2px solid rgba(201,168,108,0.3);
        }
        .mobile-nav.open { display: block; }
        .mobile-nav a {
            display: block;
            color: rgba(245,240,235,0.8);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .mobile-nav a i { width: 24px; text-align: center; margin-right: 8px; }
        .mobile-nav a:hover { color: var(--accent); background: rgba(201,168,108,0.10); }
        .mobile-nav a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; background: rgba(201,168,108,0.08); }

        /* Article Banner */
        .article-banner {
            background: var(--primary);
            position: relative;
            padding: 60px 40px 50px;
            color: var(--text-white);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(44,30,30,0.75);
            border-bottom: 3px solid var(--accent);
        }
        .article-banner .container { position: relative; z-index: 2; }
        .article-banner .breadcrumb {
            font-size: 0.85rem;
            color: rgba(245,240,235,0.7);
            margin-bottom: 16px;
        }
        .article-banner .breadcrumb a { color: var(--accent); }
        .article-banner .breadcrumb a:hover { text-decoration: underline; }
        .article-banner .breadcrumb span { color: rgba(245,240,235,0.5); }
        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 700;
            font-family: var(--font-serif);
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: rgba(245,240,235,0.85);
        }
        .article-meta .tag {
            background: var(--accent);
            color: var(--primary);
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 6px; }

        /* Article Body */
        .article-body-wrap {
            padding: 50px 40px;
            flex: 1;
        }
        .article-body {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 45px;
            border: 1px solid var(--border-light);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2, .article-body .content h3 {
            font-family: var(--font-serif);
            color: var(--primary);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
        }
        .article-body .content h2 { font-size: 1.7rem; border-bottom: 2px solid var(--border-light); padding-bottom: 8px; }
        .article-body .content h3 { font-size: 1.3rem; }
        .article-body .content ul, .article-body .content ol { margin: 1em 0 1em 1.8em; }
        .article-body .content li { margin-bottom: 0.5em; }
        .article-body .content a { color: var(--accent-hover); text-decoration: underline; }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(201,168,108,0.08);
            padding: 16px 22px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body .content img { margin: 1.5em auto; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
        .article-body .content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
        .article-body .content th, .article-body .content td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
        .article-body .content th { background: var(--primary); color: var(--text-white); font-weight: 600; }
        .article-body .content tr:nth-child(even) { background: rgba(201,168,108,0.05); }

        .article-footer-meta {
            margin-top: 35px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .article-footer-meta .cat-label { font-size: 0.9rem; color: var(--text-light); }
        .article-footer-meta .cat-label strong { color: var(--text); font-weight: 600; }
        .article-footer-meta .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-hover);
            font-weight: 500;
        }
        .article-footer-meta .back-link a:hover { text-decoration: underline; }

        /* Not Found */
        .not-found-box {
            max-width: 600px;
            margin: 60px auto;
            text-align: center;
            padding: 60px 40px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .not-found-box i { font-size: 3rem; color: var(--accent); margin-bottom: 20px; }
        .not-found-box h2 { font-family: var(--font-serif); color: var(--primary); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-box .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-hover); }

        /* Game Cards */
        .game-cards-section {
            padding: 50px 40px 40px;
            background: var(--bg);
        }
        .game-cards-section .section-title {
            text-align: center;
            font-family: var(--font-serif);
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .game-cards-section .section-sub {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .game-card .card-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            display: block;
        }
        .game-card .card-body { padding: 16px 14px 18px; }
        .game-card .card-body h4 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
        .game-card .card-body p { font-size: 0.82rem; color: var(--text-light); }

        /* CTA */
        .cta-section {
            padding: 50px 40px;
            background: var(--primary);
            color: var(--text-white);
            text-align: center;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(44,30,30,0.8);
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-section p { max-width: 600px; margin: 0 auto 24px; color: rgba(245,240,235,0.85); font-size: 1rem; }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 40px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(201,168,108,0.35); }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(245,240,235,0.7);
            padding: 50px 40px 30px;
            border-top: 3px solid var(--accent);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-serif);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(245,240,235,0.6); }
        .site-footer h4 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 16px; font-family: var(--font-serif); }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            color: rgba(245,240,235,0.6);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .site-footer ul li a i { font-size: 0.7rem; color: var(--accent); }
        .site-footer ul li a:hover { color: var(--accent); transform: translateX(3px); }
        .footer-bottom {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid rgba(201,168,108,0.15);
            font-size: 0.85rem;
            color: rgba(245,240,235,0.4);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .article-banner h1 { font-size: 1.8rem; }
        }

        @media screen and (max-width: 820px) {
            .sidebar { display: none; }
            .topbar { display: flex; }
            .main-content { margin-left: 0; }
            .article-banner { padding: 40px 24px 36px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-body-wrap { padding: 30px 20px; }
            .article-body { padding: 28px 24px; }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }
        }

        @media screen and (max-width: 520px) {
            .topbar .logo { font-size: 0.95rem; }
            .article-banner h1 { font-size: 1.3rem; }
            .article-meta { flex-direction: column; gap: 10px; font-size: 0.82rem; }
            .article-body { padding: 20px 16px; }
            .article-body .content { font-size: 0.95rem; }
            .game-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .game-card .card-body h4 { font-size: 0.85rem; }
            .game-card .card-body p { font-size: 0.75rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .article-body-wrap { padding: 20px 12px; }
            .article-banner { padding: 30px 16px 28px; }
            .cta-section { padding: 32px 16px; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-section .btn-cta { padding: 12px 28px; font-size: 0.95rem; }
            .site-footer { padding: 36px 16px 20px; }
            .not-found-box { padding: 40px 20px; margin: 30px 16px; }
        }

        @media screen and (max-width: 400px) {
            .game-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
        }