/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1B3A5C;
            --primary-dark: #0F2540;
            --primary-light: #2A5680;
            --accent: #C8923C;
            --accent-light: #DAAA58;
            --accent-dark: #A5752E;
            --emphasis: #E0553D;
            --emphasis-hover: #C74832;
            --bg-page: #FAFBFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F2137;
            --bg-dark-alt: #142B45;
            --text-primary: #1A1A2E;
            --text-body: #2D3748;
            --text-muted: #718096;
            --text-light: #A0AEC0;
            --text-on-dark: #E8ECF1;
            --border: #E2E8F0;
            --border-light: #EDF2F7;
            --success: #38A169;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
            --shadow-nav: 0 1px 4px rgba(0,0,0,0.06);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

        /* ========== 基础 Reset 与全局 ========== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font-family: inherit; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--text-primary); margin-top: 0; line-height: 1.35; }
        p { margin-top: 0; margin-bottom: 1rem; }

        /* ========== 容器 ========== */
        .site-container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) {
            .site-container { padding: 0 16px; }
        }

        /* ========== 导航 ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 64px;
        }
        .site-header .site-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--primary);
            background: rgba(27,58,92,0.05);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 6px 14px;
            gap: 8px;
            transition: all var(--transition);
            cursor: text;
        }
        .nav-search:hover { border-color: #c4cdd8; }
        .nav-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27,58,92,0.08);
            background: var(--bg-white);
        }
        .nav-search i { color: var(--text-muted); font-size: 0.85rem; }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.875rem;
            width: 140px;
            color: var(--text-primary);
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            background: var(--emphasis);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--emphasis-hover);
            box-shadow: 0 4px 14px rgba(224,85,61,0.3);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
        }
        @media (max-width: 900px) {
            .nav-links { display: none; }
            .nav-search { display: none; }
            .nav-toggle { display: block; }
            .nav-cta { font-size: 0.8rem; padding: 7px 14px; }
        }
        /* 移动端抽屉菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-white);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(27,58,92,0.05);
            color: var(--primary);
        }
        .mobile-menu .mobile-search {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 10px 16px;
            gap: 8px;
            margin-bottom: 8px;
        }
        .mobile-menu .mobile-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.95rem;
            flex: 1;
            color: var(--text-primary);
        }
        .mobile-menu .mobile-search i { color: var(--text-muted); }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--primary-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15,37,64,0.88) 0%, rgba(27,58,92,0.7) 50%, rgba(15,37,64,0.85) 100%);
            z-index: 1;
        }
        .hero .site-container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            min-height: 560px;
            padding-top: 50px;
            padding-bottom: 50px;
        }
        .hero-content { max-width: 680px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: #fff;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ADE80;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            text-align: center;
            white-space: nowrap;
            font-family: var(--font-body);
        }
        .btn-primary {
            background: var(--emphasis);
            color: #fff;
            box-shadow: 0 4px 16px rgba(224,85,61,0.35);
        }
        .btn-primary:hover {
            background: var(--emphasis-hover);
            box-shadow: 0 6px 22px rgba(224,85,61,0.45);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(200,146,60,0.3);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 20px rgba(200,146,60,0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        .btn-white:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
            color: var(--primary);
        }
        .btn-lg { padding: 15px 34px; font-size: 1rem; border-radius: 10px; }
        @media (max-width: 768px) {
            .hero { min-height: auto; }
            .hero .site-container { min-height: auto; padding-top: 60px; padding-bottom: 60px; }
            .hero h1 { font-size: 1.9rem; }
            .hero-subtitle { font-size: 1rem; }
            .hero-buttons { flex-direction: column; }
            .btn { justify-content: center; }
        }

        /* ========== 板块通用 ========== */
        .section { padding: 72px 0; }
        .section-alt { background: var(--bg-white); }
        .section-dark { background: var(--bg-dark); color: var(--text-on-dark); }
        .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .section-dark .section-title { color: #fff; }
        .section-subtitle {
            text-align: center;
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 48px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-dark .section-subtitle { color: var(--text-light); }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-title { font-size: 1.5rem; }
            .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }
        }

        /* ========== 服务卡片网格 ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .service-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: #fff;
        }
        .service-card .card-icon.blue { background: linear-gradient(135deg, #3B6CB4, #1B3A5C); }
        .service-card .card-icon.gold { background: linear-gradient(135deg, #DAAA58, #C8923C); }
        .service-card .card-icon.teal { background: linear-gradient(135deg, #319795, #1D6E6B); }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .services-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .services-grid { grid-template-columns: 1fr; }
        }

        /* ========== 分类入口卡片 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            background: var(--bg-white);
            cursor: pointer;
            display: block;
            color: inherit;
        }
        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: inherit;
        }
        .category-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-img-wrap img { transform: scale(1.06); }
        .category-card .card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 50%);
        }
        .category-card .card-body {
            padding: 20px 22px;
        }
        .category-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card .card-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .category-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        @media (max-width: 900px) {
            .category-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .category-grid { grid-template-columns: 1fr; }
        }

        /* ========== CMS 资讯列表 ========== */
        .news-list {
            display: grid;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
        }
        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: transparent;
            color: inherit;
            transform: translateY(-2px);
        }
        .news-item .news-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-page);
        }
        .news-item .news-info { flex: 1; min-width: 0; }
        .news-item .news-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-info .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .news-item .news-arrow {
            flex-shrink: 0;
            color: var(--text-light);
            font-size: 0.85rem;
            align-self: center;
            transition: all var(--transition);
        }
        .news-item:hover .news-arrow { color: var(--primary); transform: translateX(3px); }
        .news-empty {
            text-align: center;
            padding: 32px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        @media (max-width: 560px) {
            .news-item { flex-direction: column; gap: 10px; }
            .news-item .news-thumb { width: 100%; height: 140px; }
        }

        /* ========== 统计数据 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-on-dark);
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 400px) {
            .stats-grid { grid-template-columns: 1fr; }
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-list { max-width: 760px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-card); }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-body);
            transition: all var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.925rem;
            color: var(--text-body);
            line-height: 1.7;
        }
        .faq-item.open { border-color: var(--border); box-shadow: var(--shadow-card); }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .site-container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 30px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark-alt);
            padding: 48px 0 24px;
            color: var(--text-on-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 0.875rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent-light); }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ========== 通用辅助类 ========== */
        .text-center { text-align: center; }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }

        /* ========== 板块装饰条 ========== */
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 0 auto 36px;
        }

        /* ========== 关于区块 ========== */
        .about-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .about-block img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .about-block .about-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .about-block .about-text p {
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .about-block { grid-template-columns: 1fr; gap: 24px; }
            .about-block img { max-height: 280px; object-fit: cover; width: 100%; }
        }

        /* ========== 聚焦/辅助隐藏 ========== */
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ========== Foundation 覆盖 ========== */
        .row { max-width: 1240px; }
        @media (max-width: 640px) {
            .row .columns { padding-left: 8px; padding-right: 8px; }
        }

/* roulang page: article */
:root {
            --color-primary: #1B1F3B;
            --color-primary-light: #2A2F52;
            --color-accent: #C8963E;
            --color-accent-hover: #B88734;
            --color-accent-light: #F5EDE0;
            --color-bg: #F8F7F4;
            --color-white: #FFFFFF;
            --color-text: #2D2D2D;
            --color-text-light: #6B6B7B;
            --color-text-lighter: #90909E;
            --color-border: #E8E6E1;
            --color-border-light: #F0EFEB;
            --color-success: #3D8B6E;
            --color-warning: #E8734A;
            --shadow-sm: 0 1px 3px rgba(27, 31, 59, 0.06);
            --shadow-md: 0 4px 12px rgba(27, 31, 59, 0.08);
            --shadow-lg: 0 12px 32px rgba(27, 31, 59, 0.10);
            --shadow-xl: 0 20px 48px rgba(27, 31, 59, 0.12);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width-content: 780px;
            --max-width-wide: 1140px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-container {
            max-width: var(--max-width-wide);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

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

        .site-header .site-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.82;
            color: var(--color-primary);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, #D4A86A 100%);
            border-radius: var(--radius-sm);
            color: var(--color-white);
            font-size: 1rem;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(27, 31, 59, 0.04);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(27, 31, 59, 0.06);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 0 0 3px 3px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 7px 14px;
            gap: 8px;
            transition: all var(--transition-fast);
            min-width: 180px;
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.10);
            background: var(--color-white);
        }

        .nav-search i {
            color: var(--color-text-lighter);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-lighter);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.28);
        }

        .nav-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.38);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            font-size: 1.3rem;
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(27, 31, 59, 0.06);
        }

        @media (max-width: 1024px) {
            .nav-search {
                min-width: 140px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 860px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 12px 20px;
                gap: 2px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-search {
                min-width: auto;
                flex: 1;
                max-width: 180px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-cta {
                display: none;
            }
            .nav-cta-mobile {
                display: inline-flex !important;
            }
        }

        @media (max-width: 520px) {
            .site-header .site-container {
                height: 56px;
                gap: 8px;
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1.05rem;
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .nav-search {
                padding: 6px 10px;
                gap: 5px;
                max-width: 130px;
                border-radius: 20px;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .nav-links {
                top: 56px;
            }
        }

        .nav-cta-mobile {
            display: none !important;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-lighter);
        }

        .breadcrumb-list a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .breadcrumb-list a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-list .separator {
            color: var(--color-border);
            margin: 0 2px;
            user-select: none;
        }

        .breadcrumb-list .current {
            color: var(--color-text);
            font-weight: 500;
            pointer-events: none;
        }

        /* ========== ARTICLE HERO HEADER ========== */
        .article-hero {
            background: var(--color-white);
            padding: 36px 0 28px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .article-hero .content-container {
            text-align: left;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .article-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.35;
            margin: 0 0 16px 0;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--color-text-lighter);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        /* ========== ARTICLE FEATURED IMAGE ========== */
        .article-featured-image {
            padding: 20px 0 8px;
        }

        .article-featured-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            object-fit: cover;
            max-height: 460px;
            transition: box-shadow var(--transition-base);
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            padding: 28px 0 48px;
            flex: 1;
        }

        .cms-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .cms-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2em 0 0.7em;
            padding-bottom: 0.4em;
            border-bottom: 2px solid var(--color-border-light);
            letter-spacing: -0.005em;
        }

        .cms-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 1.6em 0 0.6em;
        }

        .cms-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 1.4em 0 0.5em;
        }

        .cms-content p {
            margin: 0 0 1.1em;
        }

        .cms-content ul,
        .cms-content ol {
            margin: 0.8em 0 1.2em;
            padding-left: 1.6em;
        }

        .cms-content ul {
            list-style: disc;
        }

        .cms-content ol {
            list-style: decimal;
        }

        .cms-content li {
            margin-bottom: 0.45em;
        }

        .cms-content img {
            border-radius: var(--radius-md);
            margin: 1.5em auto;
            box-shadow: var(--shadow-sm);
        }

        .cms-content blockquote {
            border-left: 4px solid var(--color-accent);
            margin: 1.6em 0;
            padding: 14px 22px;
            background: var(--color-accent-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
        }

        .cms-content blockquote p {
            margin: 0;
        }

        .cms-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

        .cms-content a:hover {
            color: var(--color-accent-hover);
        }

        .cms-content code {
            background: var(--color-bg);
            padding: 2px 7px;
            border-radius: 3px;
            font-size: 0.9em;
            border: 1px solid var(--color-border);
        }

        .cms-content pre {
            background: var(--color-primary);
            color: #E8E6E1;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .cms-content pre code {
            background: none;
            border: none;
            padding: 0;
            color: inherit;
        }

        .cms-content hr {
            border: none;
            height: 1px;
            background: var(--color-border);
            margin: 2em 0;
        }

        .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2em 0;
            font-size: 0.95rem;
        }

        .cms-content th,
        .cms-content td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .cms-content th {
            background: var(--color-bg);
            font-weight: 600;
            color: var(--color-primary);
        }

        /* ========== ARTICLE TAGS & SHARE ========== */
        .article-footer-meta {
            border-top: 1px solid var(--color-border-light);
            padding-top: 24px;
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .article-tags .tag-label {
            font-size: 0.85rem;
            color: var(--color-text-lighter);
            margin-right: 4px;
        }

        .article-tags .tag {
            display: inline-flex;
            padding: 4px 12px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            font-size: 0.82rem;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
        }

        .article-tags .tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-share .share-label {
            font-size: 0.85rem;
            color: var(--color-text-lighter);
        }

        .article-share .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            font-size: 0.9rem;
        }

        .article-share .share-btn:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-block {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found-block .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-lighter);
            font-size: 2rem;
            margin-bottom: 20px;
            border: 2px dashed var(--color-border);
        }

        .not-found-block h2 {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .not-found-block p {
            color: var(--color-text-light);
            margin-bottom: 20px;
        }

        .not-found-block .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 24px;
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.28);
        }

        .not-found-block .back-btn:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.38);
            transform: translateY(-1px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            background: var(--color-white);
            padding: 48px 0 56px;
            border-top: 1px solid var(--color-border-light);
        }

        .related-section .section-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .related-section .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 28px 0;
            letter-spacing: -0.005em;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover img {
            transform: scale(1.04);
        }

        .related-card-body {
            padding: 18px 20px 20px;
        }

        .related-card-body .card-cat {
            font-size: 0.78rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .related-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .related-card-body h4 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .related-card-body h4 a:hover {
            color: var(--color-accent);
        }

        .related-card-body .card-date {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .related-card img {
                height: 150px;
            }
            .article-title {
                font-size: 1.55rem;
            }
            .cms-content {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-card img {
                height: 200px;
            }
            .article-title {
                font-size: 1.35rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.82rem;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--color-bg);
            padding: 56px 0 60px;
        }

        .faq-section .section-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: 8px;
            text-align: center;
        }

        .faq-section .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 32px 0;
            text-align: center;
            letter-spacing: -0.005em;
        }

        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 1rem;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(27, 31, 59, 0.02);
        }

        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-text-lighter);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 56px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .content-container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            letter-spacing: -0.005em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.78);
            margin: 0 auto 28px;
            max-width: 560px;
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 30px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.40);
            border: none;
        }

        .cta-btn-primary:hover {
            background: #D4A545;
            color: var(--color-white);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.50);
            transform: translateY(-2px);
        }

        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 30px;
            background: transparent;
            color: var(--color-white);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: 2px solid rgba(255, 255, 255, 0.40);
        }

        .cta-btn-outline:hover {
            border-color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-white);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141626;
            color: rgba(255, 255, 255, 0.72);
            padding: 52px 0 0;
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-white);
            margin-bottom: 12px;
            transition: opacity var(--transition-fast);
        }

        .footer-logo:hover {
            opacity: 0.8;
            color: var(--color-white);
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            margin: 0;
            font-size: 0.9rem;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-col ul li a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.84rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-col {
                text-align: center;
            }
            .footer-logo {
                justify-content: center;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            padding: 0;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 24px 0 20px;
            }
            .article-featured-image img {
                border-radius: var(--radius-md);
                max-height: 320px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
            .cta-section {
                padding: 44px 0 48px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .related-section {
                padding: 36px 0 44px;
            }
            .related-section .section-title {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .article-title {
                font-size: 1.3rem;
            }
            .article-hero {
                padding: 18px 0 16px;
            }
            .article-featured-image {
                padding: 12px 0 4px;
            }
            .article-featured-image img {
                border-radius: var(--radius-sm);
                max-height: 240px;
            }
            .breadcrumb-list {
                font-size: 0.8rem;
            }
            .faq-section .section-title {
                font-size: 1.25rem;
            }
            .cta-btn-primary,
            .cta-btn-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #3b2d6e;
            --color-primary-light: #5a48a3;
            --color-primary-dark: #241a4d;
            --color-secondary: #c8963e;
            --color-secondary-light: #e0b868;
            --color-accent: #d44f3a;
            --color-bg: #faf9f6;
            --color-bg-alt: #f3f0eb;
            --color-bg-dark: #1e1a2f;
            --color-text: #2c2838;
            --color-text-light: #5c5668;
            --color-muted: #8a8496;
            --color-border: #e4ded4;
            --color-border-light: #f0ece5;
            --color-white: #ffffff;
            --color-success: #3a8a5c;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(44, 40, 56, 0.06);
            --shadow-md: 0 6px 24px rgba(44, 40, 56, 0.10);
            --shadow-lg: 0 12px 40px rgba(44, 40, 56, 0.15);
            --shadow-xl: 0 20px 60px rgba(44, 40, 56, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 3px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible {
            outline: 3px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 3px solid var(--color-secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--color-text);
            margin-top: 0;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.1rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }

        .site-container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }
        .site-header .site-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(59, 45, 110, 0.06);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(59, 45, 110, 0.10);
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 7px 16px;
            transition: all var(--transition-fast);
        }
        .nav-search i {
            color: var(--color-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.88rem;
            color: var(--color-text);
            width: 150px;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--color-muted);
        }
        .nav-search:focus-within {
            border-color: var(--color-primary-light);
            box-shadow: 0 0 0 3px rgba(59, 45, 110, 0.08);
            background: var(--color-white);
        }
        .nav-cta {
            display: inline-block;
            padding: 9px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: 24px;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(59, 45, 110, 0.25);
        }
        .nav-cta:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(59, 45, 110, 0.35);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ===== HERO ===== */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            padding: 100px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(30, 26, 47, 0.82) 0%, rgba(59, 45, 110, 0.72) 50%, rgba(30, 26, 47, 0.78) 100%);
            z-index: 1;
        }
        .page-hero .site-container {
            position: relative;
            z-index: 2;
        }
        .page-hero .hero-content {
            max-width: 680px;
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 5px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-secondary-light);
            background: rgba(200, 150, 62, 0.15);
            border: 1px solid rgba(200, 150, 62, 0.35);
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .page-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.88);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 28px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            color: #1a1508;
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
        }
        .btn-primary:hover {
            color: #1a1508;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.5);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.55);
        }
        .btn-outline-light:hover {
            color: #fff;
            background: rgba(255,255,255,0.12);
            border-color: rgba(255,255,255,0.8);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            color: #fff;
            background: var(--color-primary);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            color: var(--color-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-dark .section-subtitle {
            color: rgba(255,255,255,0.65);
        }

        /* ===== DIRECTION CARDS ===== */
        .direction-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .direction-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 24px 28px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .direction-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .direction-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .direction-card:hover::before {
            opacity: 1;
        }
        .direction-card .card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: rgba(59, 45, 110, 0.08);
            border-radius: 50%;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .direction-card:hover .card-icon {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
        }
        .direction-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .direction-card p {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FEATURES ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 24px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .feature-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.15rem;
        }
        .feature-text h4 {
            margin-bottom: 6px;
            font-size: 1.05rem;
        }
        .feature-text p {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== AUDIENCE ===== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .audience-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .audience-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-4px);
        }
        .audience-card .aud-icon {
            font-size: 2.2rem;
            margin-bottom: 14px;
            display: block;
        }
        .audience-card h4 {
            margin-bottom: 6px;
        }
        .audience-card p {
            color: var(--color-muted);
            font-size: 0.88rem;
            margin: 0;
        }

        /* ===== PATH / STEPS ===== */
        .path-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .path-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12%;
            right: 12%;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary-light), var(--color-secondary), var(--color-primary-light));
            border-radius: 2px;
            z-index: 0;
        }
        .step-card {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 20px 14px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            margin: 0 auto 14px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .step-card h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .step-card p {
            color: var(--color-muted);
            font-size: 0.82rem;
            margin: 0;
        }

        /* ===== RESOURCE CARDS ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .resource-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .resource-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .resource-card .card-img {
            height: 200px;
            overflow: hidden;
        }
        .resource-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .resource-card:hover .card-img img {
            transform: scale(1.06);
        }
        .resource-card .card-body {
            padding: 22px 20px;
        }
        .resource-card .card-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(59, 45, 110, 0.08);
            border-radius: 14px;
            margin-bottom: 10px;
        }
        .resource-card h4 {
            font-size: 1.08rem;
            margin-bottom: 6px;
        }
        .resource-card p {
            color: var(--color-muted);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== STATS ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-secondary);
            font-family: var(--font-heading);
            line-height: 1.1;
        }
        .stat-item .stat-label {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }
        .section-dark .stat-label {
            color: rgba(255,255,255,0.6);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            font-family: var(--font-body);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-alt);
            border-radius: 50%;
            font-size: 0.75rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-light);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 {
            margin-bottom: 14px;
        }
        .cta-section .cta-desc {
            color: var(--color-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-section .btn {
            font-size: 1rem;
            padding: 15px 36px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-logo {
            display: inline-block;
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            margin-bottom: 12px;
        }
        .footer-logo:hover {
            color: var(--color-secondary-light);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-secondary-light);
        }
        .footer-col ul li a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.75rem; }
            .direction-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .audience-grid { grid-template-columns: repeat(2, 1fr); }
            .path-steps { grid-template-columns: repeat(3, 1fr); gap: 14px; }
            .path-steps::before { display: none; }
            .step-card:nth-child(4),
            .step-card:nth-child(5) { grid-column: span 1; }
            .resource-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .page-hero { padding: 70px 0 60px; }
            .page-hero h1 { font-size: 2.2rem; }
            .nav-search input { width: 100px; }
        }

        @media (max-width: 768px) {
            :root { --nav-height: 60px; }
            h1 { font-size: 1.95rem; }
            h2 { font-size: 1.5rem; }
            .section { padding: 56px 0; }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--color-white);
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 12px 20px;
                gap: 2px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 11px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-search { display: none; }
            .nav-toggle { display: block; }
            .nav-cta { padding: 8px 16px; font-size: 0.82rem; }
            .direction-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .features-grid { grid-template-columns: 1fr; gap: 16px; }
            .audience-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .path-steps { grid-template-columns: 1fr 1fr; gap: 12px; }
            .resource-grid { grid-template-columns: 1fr; gap: 20px; }
            .stats-row { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item .stat-num { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .page-hero { padding: 50px 0 44px; }
            .page-hero h1 { font-size: 1.8rem; }
            .page-hero .hero-subtitle { font-size: 0.95rem; }
            .page-hero .hero-actions { flex-direction: column; }
            .page-hero .hero-actions .btn { width: 100%; text-align: center; justify-content: center; }
            .section-header { margin-bottom: 34px; }
            .faq-question { padding: 15px 16px; font-size: 0.95rem; }
            .faq-answer-inner { padding: 0 16px 16px; }
        }

        @media (max-width: 520px) {
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.3rem; }
            .site-container { padding-left: 16px; padding-right: 16px; }
            .direction-grid { grid-template-columns: 1fr; }
            .audience-grid { grid-template-columns: 1fr; }
            .path-steps { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; }
            .resource-grid { grid-template-columns: 1fr; }
            .direction-card { padding: 24px 16px 20px; }
            .feature-item { flex-direction: column; gap: 12px; }
            .page-hero { padding: 40px 0 36px; }
            .page-hero h1 { font-size: 1.45rem; }
            .page-hero .hero-badge { font-size: 0.75rem; }
            .btn { padding: 11px 20px; font-size: 0.88rem; }
            .cta-section { padding: 50px 0; }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #6C3FAA;
            --color-primary-dark: #542E8A;
            --color-primary-light: #8B5FCD;
            --color-secondary: #F97316;
            --color-secondary-dark: #E0640D;
            --color-accent: #10B981;
            --color-bg: #FAFAFC;
            --color-bg-alt: #F3F0F8;
            --color-bg-dark: #1E1B2E;
            --color-surface: #FFFFFF;
            --color-text: #1A1528;
            --color-text-weak: #6B647A;
            --color-text-muted: #948DA6;
            --color-border: #E4E0EC;
            --color-border-light: #F0EDF5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-xl: 0 14px 44px rgba(0,0,0,0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; border: none; outline: none; }
        input { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-text); }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.45rem; }
        h4 { font-size: 1.15rem; }
        p { color: var(--color-text-weak); }

        /* ========== Container ========== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .site-container { padding: 0 18px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.65rem; }
            h3 { font-size: 1.2rem; }
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .site-header .site-container {
            display: flex; align-items: center; justify-content: space-between;
            height: 64px; gap: 20px;
        }
        .nav-logo {
            display: flex; align-items: center; gap: 9px;
            font-weight: 800; font-size: 1.25rem; color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover { color: var(--color-primary-dark); }
        .logo-icon {
            display: flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff; font-size: 1rem;
        }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            display: block; padding: 8px 16px; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.95rem; color: var(--color-text-weak);
            transition: all var(--transition-fast); white-space: nowrap;
        }
        .nav-links a:hover { color: var(--color-primary); background: var(--color-bg-alt); }
        .nav-links a.active { color: var(--color-primary); background: var(--color-bg-alt); font-weight: 700; }
        .nav-right { display: flex; align-items: center; gap: 12px; }
        .nav-search {
            display: flex; align-items: center; gap: 8px;
            background: var(--color-bg-alt); border-radius: 24px;
            padding: 8px 16px; border: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .nav-search:focus-within { border-color: var(--color-primary-light); background: #fff; box-shadow: 0 0 0 3px rgba(108,63,170,0.08); }
        .nav-search i { color: var(--color-text-muted); font-size: 0.9rem; }
        .nav-search input {
            border: none; background: transparent; font-size: 0.9rem;
            color: var(--color-text); width: 150px; padding: 2px 0;
        }
        .nav-search input::placeholder { color: var(--color-text-muted); }
        .nav-cta {
            display: inline-flex; align-items: center;
            padding: 9px 20px; border-radius: 24px;
            background: var(--color-primary); color: #fff;
            font-weight: 700; font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(108,63,170,0.25);
        }
        .nav-cta:hover { background: var(--color-primary-dark); box-shadow: 0 4px 16px rgba(108,63,170,0.35); transform: translateY(-1px); color: #fff; }
        .nav-toggle {
            display: none; background: transparent; font-size: 1.3rem;
            color: var(--color-text); padding: 6px 10px; border-radius: var(--radius-sm);
        }
        .nav-toggle:hover { background: var(--color-bg-alt); }

        @media (max-width: 1024px) {
            .nav-search input { width: 100px; }
            .nav-links a { padding: 8px 10px; font-size: 0.88rem; }
        }
        @media (max-width: 860px) {
            .nav-links, .nav-search { display: none; }
            .nav-toggle { display: flex; align-items: center; justify-content: center; }
            .nav-cta { padding: 8px 16px; font-size: 0.85rem; }
            .site-header .site-container { height: 56px; }
        }
        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none; position: fixed; top: 56px; left: 0; right: 0; bottom: 0;
            background: #fff; z-index: 99; padding: 20px 18px;
            flex-direction: column; gap: 8px; overflow-y: auto;
        }
        .mobile-nav-panel.open { display: flex; }
        .mobile-nav-panel a {
            display: block; padding: 14px 18px; border-radius: var(--radius-md);
            font-weight: 600; font-size: 1.05rem; color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover, .mobile-nav-panel a.active { color: var(--color-primary); background: var(--color-bg-alt); }
        .mobile-nav-panel .mobile-search {
            display: flex; align-items: center; gap: 10px;
            background: var(--color-bg-alt); border-radius: 24px;
            padding: 12px 18px; margin-bottom: 6px;
        }
        .mobile-nav-panel .mobile-search input { border: none; background: transparent; font-size: 1rem; width: 100%; }
        .mobile-nav-panel .mobile-cta {
            display: block; text-align: center; padding: 13px 20px; border-radius: 24px;
            background: var(--color-primary); color: #fff; font-weight: 700; font-size: 1rem;
            margin-top: 8px;
        }

        /* ========== Section Spacing ========== */
        .section { padding: 72px 0; }
        .section-sm { padding: 48px 0; }
        .section-lg { padding: 90px 0; }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-lg { padding: 56px 0; }
            .section-sm { padding: 36px 0; }
        }

        /* ========== Hero ========== */
        .hero-community {
            position: relative; padding: 100px 0 90px;
            background: linear-gradient(160deg, #F3F0F8 0%, #EDE8F5 30%, #FAFAFC 70%, #FEF5EE 100%);
            overflow: hidden;
        }
        .hero-community::before {
            content: ''; position: absolute; top: -60px; right: -80px;
            width: 480px; height: 480px; border-radius: 50%;
            background: radial-gradient(circle, rgba(108,63,170,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-community::after {
            content: ''; position: absolute; bottom: -40px; left: -60px;
            width: 360px; height: 360px; border-radius: 50%;
            background: radial-gradient(circle, rgba(249,115,22,0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-community .site-container { position: relative; z-index: 2; }
        .hero-community .hero-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
        }
        .hero-community .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: #fff; border: 1px solid var(--color-border);
            padding: 7px 16px; border-radius: 24px;
            font-weight: 600; font-size: 0.9rem; color: var(--color-primary);
            margin-bottom: 20px; box-shadow: var(--shadow-sm);
        }
        .hero-community .hero-badge i { font-size: 0.85rem; }
        .hero-community h1 {
            font-size: 3rem; font-weight: 800; color: var(--color-text);
            margin-bottom: 16px; line-height: 1.2;
        }
        .hero-community h1 span { color: var(--color-primary); }
        .hero-community .hero-desc {
            font-size: 1.15rem; color: var(--color-text-weak); margin-bottom: 28px; max-width: 480px;
        }
        .hero-community .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
        .btn { display: inline-flex; align-items: center; gap: 7px; padding: 13px 26px; border-radius: 28px; font-weight: 700; font-size: 1rem; transition: all var(--transition-base); border: none; cursor: pointer; }
        .btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 4px 16px rgba(108,63,170,0.28); }
        .btn-primary:hover { background: var(--color-primary-dark); box-shadow: 0 6px 22px rgba(108,63,170,0.38); transform: translateY(-2px); color: #fff; }
        .btn-outline { background: #fff; color: var(--color-primary); border: 2px solid var(--color-primary); }
        .btn-outline:hover { background: var(--color-bg-alt); border-color: var(--color-primary-dark); color: var(--color-primary-dark); }
        .btn-secondary { background: var(--color-secondary); color: #fff; box-shadow: 0 4px 14px rgba(249,115,22,0.25); }
        .btn-secondary:hover { background: var(--color-secondary-dark); box-shadow: 0 6px 20px rgba(249,115,22,0.35); transform: translateY(-2px); color: #fff; }
        .hero-community .hero-image-wrap {
            position: relative; border-radius: var(--radius-xl); overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .hero-community .hero-image-wrap img { width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/3; }
        .hero-community .hero-image-wrap .img-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(108,63,170,0.18) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-stats { display: flex; gap: 32px; margin-top: 36px; flex-wrap: wrap; }
        .hero-stat { text-align: center; min-width: 80px; }
        .hero-stat .stat-num { font-size: 2rem; font-weight: 800; color: var(--color-primary); }
        .hero-stat .stat-label { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 2px; }

        @media (max-width: 860px) {
            .hero-community .hero-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
            .hero-community .hero-desc { max-width: 100%; }
            .hero-community .hero-actions { justify-content: center; }
            .hero-stats { justify-content: center; }
            .hero-community h1 { font-size: 2.2rem; }
            .hero-community { padding: 60px 0 50px; }
        }

        /* ========== Section Headers ========== */
        .section-header { text-align: center; margin-bottom: 48px; }
        .section-header .section-label {
            display: inline-block; padding: 6px 16px; border-radius: 20px;
            background: var(--color-bg-alt); color: var(--color-primary);
            font-weight: 700; font-size: 0.85rem; letter-spacing: 0.03em;
            margin-bottom: 14px;
        }
        .section-header h2 { margin-bottom: 10px; }
        .section-header .section-subtitle { color: var(--color-text-weak); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

        /* ========== Feature Cards ========== */
        .features-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
        }
        .feature-card {
            background: var(--color-surface); border-radius: var(--radius-lg);
            padding: 32px 28px; box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--color-border); }
        .feature-card .card-icon {
            display: flex; align-items: center; justify-content: center;
            width: 60px; height: 60px; border-radius: 50%;
            margin: 0 auto 18px;
            font-size: 1.5rem; color: #fff;
        }
        .feature-card .card-icon.purple { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); }
        .feature-card .card-icon.orange { background: linear-gradient(135deg, var(--color-secondary), #FB923C); }
        .feature-card .card-icon.green { background: linear-gradient(135deg, var(--color-accent), #34D399); }
        .feature-card h3 { margin-bottom: 8px; font-size: 1.2rem; }
        .feature-card p { font-size: 0.95rem; color: var(--color-text-weak); }
        @media (max-width: 860px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .features-grid { grid-template-columns: 1fr; }
        }

        /* ========== Scenario Cards ========== */
        .scenario-grid {
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
        }
        .scenario-card {
            background: var(--color-surface); border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .scenario-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .scenario-card .sc-img { height: 200px; overflow: hidden; }
        .scenario-card .sc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
        .scenario-card:hover .sc-img img { transform: scale(1.05); }
        .scenario-card .sc-body { padding: 24px 22px; }
        .scenario-card .sc-body h3 { margin-bottom: 6px; }
        .scenario-card .sc-body p { font-size: 0.93rem; color: var(--color-text-weak); margin-bottom: 12px; }
        .scenario-card .sc-tag {
            display: inline-block; padding: 4px 12px; border-radius: 14px;
            background: var(--color-bg-alt); color: var(--color-primary);
            font-weight: 600; font-size: 0.8rem;
        }
        @media (max-width: 700px) {
            .scenario-grid { grid-template-columns: 1fr; }
        }

        /* ========== Data Strip ========== */
        .data-strip {
            background: var(--color-bg-dark); color: #fff; padding: 56px 0;
        }
        .data-strip .data-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center;
        }
        .data-strip .data-item .data-num { font-size: 2.8rem; font-weight: 800; color: #fff; }
        .data-strip .data-item .data-num span { color: var(--color-secondary); }
        .data-strip .data-item .data-label { font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-top: 4px; }
        @media (max-width: 768px) {
            .data-strip .data-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
            .data-strip .data-item .data-num { font-size: 2.2rem; }
        }

        /* ========== Step Timeline ========== */
        .steps-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
        }
        .step-card {
            text-align: center; padding: 28px 20px;
            background: var(--color-surface); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md); border: 1px solid var(--color-border-light);
            position: relative; transition: all var(--transition-base);
        }
        .step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .step-card .step-num {
            display: flex; align-items: center; justify-content: center;
            width: 48px; height: 48px; border-radius: 50%;
            background: var(--color-primary); color: #fff;
            font-weight: 800; font-size: 1.2rem; margin: 0 auto 14px;
        }
        .step-card .step-num.alt { background: var(--color-secondary); }
        .step-card .step-num.accent { background: var(--color-accent); }
        .step-card h4 { font-size: 1rem; margin-bottom: 4px; }
        .step-card p { font-size: 0.88rem; color: var(--color-text-weak); }
        @media (max-width: 860px) {
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 500px) {
            .steps-grid { grid-template-columns: 1fr; }
        }

        /* ========== FAQ ========== */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--color-surface); border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light); overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover { border-color: var(--color-border); }
        .faq-q {
            padding: 18px 22px; font-weight: 700; font-size: 1rem;
            cursor: pointer; display: flex; justify-content: space-between; align-items: center;
            color: var(--color-text); user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-q:hover { background: var(--color-bg-alt); }
        .faq-q i { transition: transform var(--transition-base); color: var(--color-primary); }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a { padding: 0 22px 18px; color: var(--color-text-weak); font-size: 0.95rem; display: none; }
        .faq-item.open .faq-a { display: block; }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(150deg, var(--color-primary) 0%, var(--color-primary-dark) 60%, #3B1F6E 100%);
            color: #fff; text-align: center; padding: 72px 0; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; top: -80px; right: -100px;
            width: 400px; height: 400px; border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section::after {
            content: ''; position: absolute; bottom: -60px; left: -80px;
            width: 340px; height: 340px; border-radius: 50%;
            background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .site-container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 10px; }
        .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 24px; max-width: 500px; margin-left: auto; margin-right: auto; }
        .btn-cta-white {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 32px; border-radius: 28px;
            background: #fff; color: var(--color-primary);
            font-weight: 700; font-size: 1.05rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(0,0,0,0.2);
        }
        .btn-cta-white:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.28); color: var(--color-primary-dark); }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-dark); color: rgba(255,255,255,0.75);
            padding: 56px 0 28px;
        }
        .site-footer .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
            margin-bottom: 36px;
        }
        .site-footer .footer-logo {
            font-weight: 800; font-size: 1.25rem; color: #fff; display: inline-block; margin-bottom: 10px;
        }
        .site-footer .footer-desc { font-size: 0.93rem; color: rgba(255,255,255,0.6); max-width: 280px; }
        .site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 12px; font-weight: 700; }
        .site-footer ul li { margin-bottom: 7px; }
        .site-footer ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition-fast); }
        .site-footer ul li a:hover { color: #fff; }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.45);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
            .site-footer .footer-desc { max-width: 100%; }
        }
        @media (max-width: 480px) {
            .site-footer .footer-grid { grid-template-columns: 1fr; }
        }

        /* ========== Utility ========== */
        .text-center { text-align: center; }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }

/* roulang page: category2 */
:root {
            --primary: #D43F3F;
            --primary-dark: #B53030;
            --primary-light: #FDE8E8;
            --secondary: #2D3436;
            --accent: #F0B90B;
            --accent-light: #FFF8E1;
            --bg: #FDFCF9;
            --bg-warm: #F9F6F0;
            --card-bg: #FFFFFF;
            --text: #2D3436;
            --text-light: #636E72;
            --text-lighter: #8B9298;
            --border: #E8E5DF;
            --border-light: #F0EDE7;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            padding: 0;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--secondary);
        }

        p {
            margin: 0;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

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

        .site-header .site-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--secondary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .nav-logo:hover {
            color: var(--primary);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(212, 63, 63, 0.3);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            transition: all var(--transition);
            min-width: 200px;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(212, 63, 63, 0.08);
            background: #fff;
        }

        .nav-search i {
            color: var(--text-lighter);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .nav-search input {
            background: transparent;
            font-size: 0.9rem;
            color: var(--text);
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-lighter);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(212, 63, 63, 0.25);
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(212, 63, 63, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            color: var(--text);
            background: var(--bg-warm);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--border);
            color: var(--primary);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(170deg, #1a1a2e 0%, #2D3436 40%, #3d2c2c 100%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.35;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(212, 63, 63, 0.4) 0%, transparent 50%),
                radial-gradient(ellipse at 75% 30%, rgba(240, 185, 11, 0.3) 0%, transparent 45%),
                radial-gradient(ellipse at 60% 70%, rgba(212, 63, 63, 0.2) 0%, transparent 40%);
        }

        .hero-section .site-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 24px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .hero-content h1 span {
            color: var(--accent);
            position: relative;
        }

        .hero-content .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            font-family: inherit;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(212, 63, 63, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(212, 63, 63, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
        }

        .btn-accent:hover {
            background: #e0a800;
            border-color: #e0a800;
            box-shadow: 0 6px 24px rgba(240, 185, 11, 0.4);
            transform: translateY(-2px);
            color: var(--secondary);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px;
            width: 100%;
            max-width: 420px;
            box-shadow: var(--shadow-xl);
        }

        .hero-visual-card img {
            border-radius: var(--radius-md);
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            margin-bottom: 18px;
        }

        .hero-stat-row {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            flex: 1;
            min-width: 80px;
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 14px 10px;
        }

        .hero-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== COURSES GRID ========== */
        .courses-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .course-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .course-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .course-card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        .course-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .course-card:hover .course-card-img img {
            transform: scale(1.06);
        }

        .course-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            z-index: 2;
        }

        .course-card-badge.hot {
            background: var(--accent);
            color: var(--secondary);
        }

        .course-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .course-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .course-card-body .course-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .course-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-lighter);
            flex-wrap: wrap;
        }

        .course-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .course-card-meta i {
            font-size: 0.75rem;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: var(--primary-light);
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== LEARNING PATH ========== */
        .path-section {
            background: var(--bg-warm);
        }

        .path-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .path-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .path-step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(212, 63, 63, 0.3);
            position: relative;
            z-index: 3;
        }

        .path-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--secondary);
        }

        .path-step p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .path-connector {
            display: none;
        }

        /* ========== STATS ========== */
        .stats-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
            color: #fff;
            padding: 60px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-item .stat-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--secondary);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
            gap: 16px;
            background: transparent;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            color: var(--text-light);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #fff 0%, var(--bg-warm) 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 63, 63, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .cta-card .btn {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
            transition: color var(--transition);
        }

        .footer-logo:hover {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-col ul li a i {
            font-size: 0.8rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-section .site-container {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }

            .hero-content h1 {
                font-size: 2.4rem;
            }

            .hero-content .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual-card {
                max-width: 380px;
                margin: 0 auto;
            }

            .courses-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .path-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .nav-search {
                min-width: 140px;
            }

            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.88rem;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .site-container {
                gap: 12px;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.3s ease;
                z-index: 999;
                pointer-events: none;
            }

            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links li a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }

            .hero-section {
                padding: 56px 0 60px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-content .hero-desc {
                font-size: 1rem;
            }

            .hero-visual-card {
                max-width: 320px;
            }

            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }

            .courses-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .feature-card {
                padding: 24px 16px;
            }

            .feature-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }

            .path-timeline {
                grid-template-columns: 1fr 1fr;
                gap: 28px 16px;
            }

            .path-step-num {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .stat-item .stat-number {
                font-size: 2.2rem;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }

            .cta-card {
                padding: 40px 24px;
            }

            .cta-card h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 40px 0 48px;
            }

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }

            .features-grid {
                grid-template-columns: 1fr;
                max-width: 320px;
                margin: 0 auto;
            }

            .path-timeline {
                grid-template-columns: 1fr;
                max-width: 300px;
                margin: 0 auto;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .hero-stat-row {
                flex-direction: column;
                gap: 10px;
            }

            .hero-visual-card {
                padding: 18px;
            }

            .site-container {
                padding: 0 16px;
            }

            .cta-card {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }

            .cta-card h2 {
                font-size: 1.4rem;
            }
        }