/* roulang page: index */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--primary-light);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }
        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }
        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 0;
            border: 1px solid #cbd5e1;
            border-radius: 20px;
            overflow: hidden;
            flex-shrink: 0;
            margin-left: 8px;
        }
        .lang-switch button {
            border: none;
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius);
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--text);
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #eef2ff;
            color: var(--primary);
        }
        .mobile-menu .lang-switch-mobile {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            padding: 14px 18px;
            border-top: 1px solid var(--border);
        }
        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid #cbd5e1;
            background: transparent;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }
        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Section Common ========== */
        section {
            padding: var(--section-padding);
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        /* ========== Hero - 产品截图舞台居中 ========== */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(160deg, #f8faff 0%, #eef2ff 40%, #f1f5f9 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .hero-value-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .hero-value-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.1rem;
        }
        .hero-value-text strong {
            display: block;
            font-size: 0.9rem;
            color: var(--text);
            font-weight: 600;
        }
        .hero-value-text span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .hero-center {
            position: relative;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 340px;
        }
        .hero-center-overlay {
            position: absolute;
            inset: 0;
            background: rgba(30, 58, 138, 0.55);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 30px;
        }
        .hero-center-overlay h1 {
            font-size: 2.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .hero-center-overlay p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 420px;
            line-height: 1.6;
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: stretch;
        }
        .hero-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 24px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .hero-cta-btn.primary-btn {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }
        .hero-cta-btn.primary-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
            transform: translateY(-2px);
        }
        .hero-cta-btn.secondary-btn {
            background: var(--white);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .hero-cta-btn.secondary-btn:hover {
            background: #eef2ff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-stat-mini {
            flex: 1;
            min-width: 70px;
            text-align: center;
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 12px 8px;
            box-shadow: var(--shadow-sm);
        }
        .hero-stat-mini .stat-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-stat-mini .stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* ========== 指标看板 ========== */
        .metrics-section {
            background: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #f8faff;
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .metric-card:hover {
            border-color: #e2e8f0;
            box-shadow: var(--shadow);
        }
        .metric-num {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
        }
        .metric-num.accent {
            color: var(--accent);
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }
        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== 服务矩阵 ========== */
        .services-section {
            background: var(--bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #e2e8f0;
        }
        .service-card-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .service-card .service-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .service-card .service-link:hover {
            color: var(--primary);
            gap: 8px;
        }

        /* ========== 资料目录 ========== */
        .directory-section {
            background: var(--white);
        }
        .directory-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .directory-card {
            background: #f8faff;
            border-radius: var(--radius);
            padding: 22px 16px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .directory-card:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            color: inherit;
        }
        .directory-card .dir-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .directory-card h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .directory-card span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== 价值点 ========== */
        .value-section {
            background: var(--bg);
        }
        .value-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .value-image {
            background: url('/assets/images/coverpic/cover-2.webp') center/cover;
            border-radius: var(--radius-lg);
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-lg);
            min-height: 280px;
        }
        .value-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .value-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .value-item .v-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .value-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }
        .value-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            background: var(--white);
        }
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 0.95rem;
        }
        .compare-table thead th {
            background: #f8faff;
            font-weight: 700;
            color: var(--text);
            border-bottom: 2px solid #e2e8f0;
            font-size: 1rem;
        }
        .compare-table tbody td {
            border-bottom: 1px solid #f1f5f9;
            color: var(--text-secondary);
        }
        .compare-table .highlight-col {
            background: #eef2ff;
            font-weight: 600;
            color: var(--primary);
        }
        .compare-table .win-badge {
            display: inline-block;
            background: #dcfce7;
            color: #166534;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .compare-table .lose-badge {
            display: inline-block;
            background: #fef2f2;
            color: #991b1b;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* ========== 场景演示 ========== */
        .scenario-section {
            background: var(--bg);
        }
        .scenario-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .scenario-step {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
            transition: all var(--transition);
        }
        .scenario-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .scenario-step .step-num {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
        }
        .scenario-step h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 6px;
        }
        .scenario-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .scenario-connector {
            display: none;
        }

        /* ========== 品牌介绍 ========== */
        .brand-section {
            background: var(--white);
        }
        .brand-inner {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 40px;
            align-items: center;
        }
        .brand-logo-block {
            text-align: center;
            padding: 30px;
        }
        .brand-logo-block .brand-icon-large {
            width: 100px;
            height: 100px;
            background: var(--primary);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
        }
        .brand-logo-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }
        .brand-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-section {
            background: var(--bg);
        }
        .deep-content-block {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 32px;
        }
        .deep-content-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        .deep-content-block h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 8px;
        }
        .deep-content-block p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .deep-content-block .highlight-box {
            background: #eef2ff;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-weight: 500;
            color: var(--primary);
        }
        .deep-content-image {
            width: 100%;
            border-radius: var(--radius);
            margin: 20px 0;
            aspect-ratio: 16/7;
            object-fit: cover;
            box-shadow: var(--shadow-sm);
        }

        /* ========== 新闻中心 ========== */
        .news-section {
            background: var(--white);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 110px 1fr 100px;
            gap: 20px;
            align-items: center;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .news-item:hover {
            background: #fafbfd;
            padding-left: 12px;
            padding-right: 12px;
            margin: 0 -12px;
            border-radius: var(--radius-sm);
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .news-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-readmore {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary-light);
            text-align: right;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .news-readmore:hover {
            color: var(--primary);
        }

        /* ========== 保障图标条 ========== */
        .guarantee-section {
            background: #f8faff;
            border-top: 1px solid #eef2ff;
            border-bottom: 1px solid #eef2ff;
        }
        .guarantee-icons {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            text-align: center;
        }
        .guarantee-item {
            padding: 20px 12px;
        }
        .guarantee-item .g-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .guarantee-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .guarantee-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 平台保障 ========== */
        .platform-section {
            background: var(--white);
        }
        .platform-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .platform-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #f8faff;
            border: 1px solid #e2e8f0;
            border-radius: 40px;
            padding: 12px 22px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            transition: all var(--transition);
        }
        .platform-badge:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .platform-badge .badge-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #22c55e;
            flex-shrink: 0;
        }

        /* ========== 任务进度 ========== */
        .progress-section {
            background: var(--bg);
        }
        .progress-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .progress-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .progress-card:hover {
            border-color: #e2e8f0;
            box-shadow: var(--shadow-lg);
        }
        .progress-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 12px;
        }
        .progress-bar-wrap {
            background: #f1f5f9;
            border-radius: 10px;
            height: 10px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--primary-light), var(--primary));
            transition: width 1s ease;
        }
        .progress-card .progress-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
        }
        .progress-card .reward-tag {
            display: inline-block;
            margin-top: 8px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: #fef3c7;
            color: #92400e;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: #fafbfd;
            border-radius: var(--radius) !important;
            padding: 16px 20px;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #eef2ff;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }
        .faq-accordion .accordion-body {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 16px 20px;
            background: #fff;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background: linear-gradient(150deg, #eef2ff 0%, #f8faff 40%, #f1f5f9 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: 30px;
            right: 60px;
            width: 200px;
            height: 200px;
            border: 2px dashed rgba(59, 130, 246, 0.15);
            border-radius: 50%;
            pointer-events: none;
            animation: spinSlow 20s linear infinite;
        }
        @keyframes spinSlow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }
        .cta-form-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-xl);
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-form-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            text-align: center;
            margin-bottom: 6px;
        }
        .cta-form-card .cta-subtitle {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }
        .cta-form-card input,
        .cta-form-card textarea {
            width: 100%;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fafbfd;
            margin-bottom: 14px;
        }
        .cta-form-card input:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            outline: none;
            background: #fff;
        }
        .cta-form-card .submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .cta-form-card .submit-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
            transform: translateY(-2px);
        }
        .cta-form-card .privacy-note {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #cbd5e1;
            padding: 40px 0 30px;
            font-size: 0.9rem;
        }
        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: flex-end;
        }
        .footer-links a {
            color: #cbd5e1;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 20px auto 0;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.8rem;
            color: #94a3b8;
            justify-content: center;
            text-align: center;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-left {
                order: 2;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }
            .hero-center {
                order: 1;
                min-height: 260px;
            }
            .hero-right {
                order: 3;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-stats-row {
                width: 100%;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .directory-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .scenario-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-inner {
                grid-template-columns: 1fr;
            }
            .guarantee-icons {
                grid-template-columns: repeat(3, 1fr);
            }
            .progress-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-item {
                grid-template-columns: 90px 1fr 80px;
                gap: 12px;
            }
            .platform-badges {
                gap: 10px;
            }
            .platform-badge {
                padding: 10px 16px;
                font-size: 0.82rem;
            }
            section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-center-overlay h1 {
                font-size: 1.5rem;
            }
            .hero-center-overlay p {
                font-size: 0.85rem;
            }
            .hero-center {
                min-height: 220px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-num {
                font-size: 2rem;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-steps {
                grid-template-columns: 1fr;
            }
            .guarantee-icons {
                grid-template-columns: repeat(2, 1fr);
            }
            .progress-cards {
                grid-template-columns: 1fr;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 14px 0;
            }
            .news-readmore {
                text-align: left;
            }
            .compare-table-wrap {
                font-size: 0.8rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .deep-content-block {
                padding: 20px 16px;
            }
            .deep-content-block h3 {
                font-size: 1.2rem;
            }
            .brand-logo-block .brand-icon-large {
                width: 70px;
                height: 70px;
                font-size: 1.8rem;
                border-radius: 18px;
            }
            section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .platform-badges {
                flex-direction: column;
                align-items: center;
            }
            .hero-value-item {
                padding: 10px 12px;
            }
            .hero-cta-btn {
                padding: 12px 18px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-card {
                padding: 14px 10px;
            }
            .metric-num {
                font-size: 1.6rem;
            }
            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .guarantee-icons {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hero-center {
                min-height: 180px;
            }
            .hero-center-overlay h1 {
                font-size: 1.25rem;
            }
            .hero-center-overlay p {
                font-size: 0.8rem;
            }
            .hero-stats-row {
                gap: 6px;
            }
            .hero-stat-mini {
                padding: 8px 6px;
            }
            .hero-stat-mini .stat-num {
                font-size: 1.1rem;
            }
            .hero-stat-mini .stat-label {
                font-size: 0.7rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

        a {
            text-decoration: none;
            color: var(--primary-light);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }
        .logo-text a:hover {
            color: var(--primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }
        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }
        .lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }
        .lang-switch button {
            border: 1px solid #cbd5e1;
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }
        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }
        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: #cbd5e1;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-toggle:hover {
            background: #f1f5f9;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #eef2ff;
            color: var(--primary);
        }
        .mobile-menu .lang-switch-mobile {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 8px;
        }
        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid #cbd5e1;
            background: transparent;
            font-size: 0.9rem;
            cursor: pointer;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-inner a:hover {
            color: var(--primary);
        }
        .breadcrumb-inner .separator {
            color: #cbd5e1;
            font-size: 0.75rem;
        }
        .breadcrumb-inner .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Category Hero ========== */
        .cat-hero {
            position: relative;
            background: #0f1a3a;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 58, 0.92) 0%, rgba(15, 26, 58, 0.78) 40%, rgba(30, 58, 138, 0.65) 100%);
            z-index: 1;
        }
        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            width: 100%;
        }
        .cat-hero-left {
            flex: 1;
            min-width: 300px;
            max-width: 580px;
        }
        .cat-hero-left .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .cat-hero-left h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            letter-spacing: 1px;
            line-height: 1.25;
        }
        .cat-hero-left .hero-subtitle {
            font-size: 1.15rem;
            color: #cbd5e1;
            line-height: 1.7;
            margin: 0 0 24px;
        }
        .cat-hero-left .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-hero-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            text-align: center;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .cat-hero-right {
            flex: 0 0 340px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
        }
        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .hero-stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #fff;
            font-size: 1.3rem;
        }
        .hero-stat-card .stat-info .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-card .stat-info .stat-label {
            font-size: 0.85rem;
            color: #94a3b8;
            margin-top: 2px;
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--section-padding);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header.left-align {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-header.left-align p {
            margin: 0;
            max-width: none;
        }

        /* ========== Feature Cards ========== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #e2e8f0;
        }
        .feature-card .fc-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }
        .feature-card .fc-tag {
            display: inline-block;
            background: #fef3c7;
            color: #b45309;
            font-size: 0.78rem;
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
            margin-top: 12px;
        }

        /* ========== Tech Detail Row ========== */
        .tech-detail-row {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .tech-detail-row:last-child {
            margin-bottom: 0;
        }
        .tech-detail-row.reverse {
            flex-direction: row-reverse;
        }
        .tech-detail-text {
            flex: 1;
            min-width: 280px;
        }
        .tech-detail-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
        }
        .tech-detail-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
        }
        .tech-detail-text .tech-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .tech-detail-text .tech-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .tech-detail-text .tech-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 13px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary-light);
        }
        .tech-detail-image {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .tech-detail-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* ========== Scenario Cards ========== */
        .scenario-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
            text-align: center;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #cbd5e1;
            transform: translateY(-3px);
        }
        .scenario-card .sc-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .scenario-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Comparison Table ========== */
        .comparison-wrapper {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            background: #f8faff;
            font-weight: 700;
            color: var(--text);
            font-size: 1rem;
            border-bottom: 2px solid var(--border);
        }
        .comparison-table thead th.highlight-col {
            background: #eef2ff;
            color: var(--primary);
            border-bottom: 2px solid var(--primary-light);
        }
        .comparison-table tbody td {
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody td.highlight-cell {
            background: #fafbff;
            color: var(--primary);
            font-weight: 600;
        }
        .comparison-table .check-icon {
            color: #16a34a;
            font-weight: 700;
        }
        .comparison-table .cross-icon {
            color: #dc2626;
        }

        /* ========== Process Steps ========== */
        .process-steps {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
            position: relative;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 48px;
            left: 50%;
            width: 100%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }
        .process-step:last-child::after {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            background: var(--white);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--white);
            padding: 18px 20px;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fafbff;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fafbff;
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #eef2ff 0%, #f8faff 40%, #fef7f0 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.06);
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }
        .cta-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 20px;
            line-height: 1.7;
        }
        .cta-form-card {
            flex: 0 0 420px;
            min-width: 300px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .cta-form-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
            text-align: center;
        }
        .cta-form-card .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fafbfc;
        }
        .cta-form-card .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: #fff;
        }
        .btn-submit-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            width: 100%;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-submit-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #fff;
            padding: 40px 0 24px;
        }
        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-links a {
            color: #cbd5e1;
            font-size: 0.9rem;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #94a3b8;
            align-items: center;
        }
        .footer-bottom a {
            color: #cbd5e1;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .cat-hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .cat-hero-left {
                max-width: 100%;
            }
            .cat-hero-left .hero-cta-group {
                justify-content: center;
            }
            .cat-hero-right {
                flex: 1;
                width: 100%;
                max-width: 500px;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-stat-card {
                flex: 1;
                min-width: 140px;
            }
            .tech-detail-row,
            .tech-detail-row.reverse {
                flex-direction: column;
            }
            .process-steps {
                flex-direction: column;
                gap: 16px;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                padding: 16px;
            }
            .cta-inner {
                flex-direction: column;
            }
            .cta-form-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-padding-mobile);
            }
            .cat-hero {
                min-height: 380px;
            }
            .cat-hero-left h1 {
                font-size: 2rem;
            }
            .cat-hero-left .hero-subtitle {
                font-size: 1rem;
            }
            .cat-hero-right {
                flex-direction: column;
                max-width: 100%;
            }
            .hero-stat-card {
                flex: 1;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.85rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .cat-hero-left h1 {
                font-size: 1.6rem;
            }
            .cat-hero-right {
                gap: 10px;
            }
            .hero-stat-card {
                padding: 14px 16px;
            }
            .hero-stat-card .stat-info .stat-num {
                font-size: 1.3rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .cta-form-card {
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

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

        .lang-switch button {
            border: 1px solid var(--border);
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }

        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text);
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: #f1f5f9;
            color: var(--primary-light);
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .mobile-menu .lang-switch-mobile {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 8px;
        }

        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: transparent;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary-light);
        }

        .breadcrumb-nav .separator {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Hero Section ========== */
        .category-hero {
            position: relative;
            padding: 60px 0;
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 30%, #1d4ed8 60%, #1e3a8a 100%);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(59, 130, 246, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(249, 115, 22, 0.15) 0%, transparent 50%);
            z-index: 0;
        }

        .category-hero .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-area {
            color: #fff;
        }

        .hero-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(4px);
        }

        .hero-badge.accent-badge {
            background: rgba(249, 115, 22, 0.7);
            border-color: rgba(249, 115, 22, 0.9);
        }

        .hero-text-area h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin: 0 0 16px;
            line-height: 1.25;
            color: #fff;
        }

        .hero-text-area .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            margin: 0 0 28px;
            max-width: 520px;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-block;
            padding: 14px 28px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .btn-hero-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
            color: #fff;
        }

        .btn-hero-outline {
            display: inline-block;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .hero-stats-area {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: flex-end;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            min-width: 130px;
            flex: 1;
            max-width: 170px;
            transition: all var(--transition);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
        }

        .hero-stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
        }

        .hero-stat-card .stat-number.accent-num {
            color: #fbbf24;
        }

        .hero-stat-card .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }

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

        .section-white {
            background: var(--white);
        }

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

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin: 0;
            max-width: 650px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            background: #eef2ff;
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

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

        .service-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-light);
            border-radius: var(--radius) var(--radius) 0 0;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: #e0e7ff;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card .card-icon {
            width: 50px;
            height: 50px;
            background: #eef2ff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .service-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.65;
        }

        /* ========== Feature Row ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-image-area {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .feature-image-area img {
            width: 100%;
            height: auto;
            display: block;
        }

        .feature-image-area .img-overlay-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(30, 58, 138, 0.9);
            color: #fff;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .feature-text-area h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text);
        }

        .feature-text-area p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .feature-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--primary-light);
            font-size: 0.9rem;
        }

        /* ========== Data Viz Block ========== */
        .dataviz-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .dataviz-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text);
        }

        .dataviz-info p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 10px;
        }

        .dataviz-bars {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .dataviz-bars .bar-row {
            margin-bottom: 18px;
        }

        .dataviz-bars .bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }

        .dataviz-bars .bar-label .bar-val {
            color: var(--primary);
            font-weight: 700;
        }

        .dataviz-bars .bar-track {
            height: 10px;
            background: #f1f5f9;
            border-radius: 10px;
            overflow: hidden;
        }

        .dataviz-bars .bar-fill {
            height: 100%;
            border-radius: 10px;
            transition: width 1s ease;
        }

        .bar-fill.blue {
            background: var(--primary-light);
        }

        .bar-fill.orange {
            background: var(--accent);
        }

        .bar-fill.dark {
            background: var(--primary);
        }

        .bar-fill.green {
            background: #10b981;
        }

        /* ========== Scenario Cards ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            border-left: 4px solid var(--primary-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow);
            border-left-color: var(--accent);
            transform: translateX(4px);
        }

        .scenario-card .sc-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
        }

        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            background: var(--white);
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--white);
            padding: 18px 20px;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fafbff;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
            background: #fafbff;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #eef2ff 0%, #f8faff 40%, #fff7ed 100%);
            padding: var(--section-padding);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.06);
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.05);
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .cta-text h3 {
            font-size: 1.65rem;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }

        .cta-text p {
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            font-size: 1rem;
        }

        .cta-form .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fafbfc;
            margin-bottom: 12px;
        }

        .cta-form .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: #fff;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-submit:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.3);
            transform: translateY(-1px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #fff;
            padding: 40px 0 24px;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-end;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 20px auto 0;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.82rem;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .category-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-stats-area {
                justify-content: flex-start;
            }

            .hero-stat-card {
                max-width: 140px;
                min-width: 110px;
            }

            .hero-text-area h1 {
                font-size: 2.1rem;
            }

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

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

            .feature-row.reverse {
                direction: ltr;
            }

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

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                padding: 32px;
            }

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

            .footer-links {
                justify-content: flex-start;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .lang-switch {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .category-hero {
                padding: 40px 0;
                min-height: auto;
            }

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

            .hero-stats-area {
                gap: 12px;
            }

            .hero-stat-card {
                padding: 16px 12px;
                min-width: 90px;
                flex: 1 1 40%;
                max-width: none;
            }

            .hero-stat-card .stat-number {
                font-size: 1.7rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: var(--section-padding-mobile);
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-inner {
                padding: 24px 20px;
                border-radius: var(--radius);
            }

            .cta-text h3 {
                font-size: 1.35rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .hero-badge-row {
                gap: 6px;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
        }

        @media (max-width: 520px) {
            .hero-text-area h1 {
                font-size: 1.45rem;
            }

            .hero-text-area .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-stats-area {
                flex-direction: column;
                gap: 10px;
            }

            .hero-stat-card {
                max-width: 100%;
                flex: 1 1 auto;
                display: flex;
                align-items: center;
                gap: 12px;
                text-align: left;
                padding: 14px 16px;
            }

            .hero-stat-card .stat-number {
                font-size: 1.5rem;
                margin-bottom: 0;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }

            .scenario-card {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

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

        .lang-switch button {
            border: 1px solid var(--border);
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }

        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text);
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .mobile-menu .mobile-lang {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 8px;
        }

        .mobile-menu .mobile-lang button {
            flex: 1;
            border: 1px solid var(--border);
            background: transparent;
            padding: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            border-radius: 20px;
            transition: all var(--transition);
        }

        .mobile-menu .mobile-lang button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            margin-top: 0;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .breadcrumb-bar .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .breadcrumb-bar .breadcrumb li a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-bar .breadcrumb li a:hover {
            color: var(--primary);
        }

        .breadcrumb-bar .breadcrumb li.active {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-bar .breadcrumb .separator {
            color: var(--text-muted);
            margin: 0 4px;
        }

        /* ========== Hero Section ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1e3a8a 0%, #1a2f6d 30%, #0f1d4a 60%, #0a1535 100%);
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/coverpic/cover-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(30, 58, 138, 0.55) 0%, rgba(15, 29, 74, 0.75) 100%);
            z-index: 2;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 60px 0;
        }

        .page-hero .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-hero .hero-text h1 .highlight {
            color: #f97316;
            position: relative;
        }

        .page-hero .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: #cbd5e1;
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 520px;
        }

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

        .page-hero .hero-actions .btn-primary-hero {
            display: inline-block;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .page-hero .hero-actions .btn-primary-hero:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
            color: #fff;
        }

        .page-hero .hero-actions .btn-outline-hero {
            display: inline-block;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .page-hero .hero-actions .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .page-hero .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .page-hero .hero-stats .stat-item {
            text-align: center;
        }

        .page-hero .hero-stats .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #f97316;
            line-height: 1;
            margin-bottom: 6px;
        }

        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: #cbd5e1;
            font-weight: 500;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }

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

        .section-white {
            background: var(--white);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .section-title-center {
            text-align: center;
        }

        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Feature Cards ========== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #dde4f0;
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--primary);
            transition: all var(--transition);
        }

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

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .feature-card .feature-badge {
            display: inline-block;
            padding: 4px 10px;
            background: #fef3c7;
            color: #b45309;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 12px;
        }

        /* ========== Process Steps ========== */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }

        .process-step .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            position: relative;
            z-index: 1;
        }

        .process-step .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .process-step .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .process-connector {
            position: absolute;
            left: 23px;
            top: 68px;
            bottom: 0;
            width: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-wrapper {
            position: relative;
        }

        /* ========== Comparison Table ========== */
        .comparison-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            height: 100%;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .comparison-card.highlight {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .comparison-card.highlight::before {
            content: '推荐方案';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .comparison-card .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-card .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card .comparison-list li i.fa-check {
            color: #10b981;
            font-size: 0.9rem;
        }

        .comparison-card .comparison-list li i.fa-times {
            color: #ef4444;
            font-size: 0.9rem;
        }

        .comparison-card .comparison-list li i.fa-minus {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .comparison-card.highlight .comparison-list li i.fa-check {
            color: #10b981;
        }

        /* ========== Deep Content ========== */
        .deep-content-block {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-bottom: 24px;
        }

        .deep-content-block h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .deep-content-block p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .deep-content-block .content-highlight {
            background: #eef2ff;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-weight: 500;
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            background: var(--white);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--white);
            padding: 18px 20px;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
            box-shadow: none !important;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #f8faff;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fafbfd;
        }

        .faq-accordion .accordion-button::after {
            transition: transform var(--transition);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #eef2ff 0%, #f8faff 40%, #fef7f0 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.06);
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.05);
            z-index: 0;
        }

        .cta-card {
            position: relative;
            z-index: 1;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            text-align: center;
        }

        .cta-card .cta-subtitle {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .cta-card .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fafbfd;
        }

        .cta-card .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: #fff;
        }

        .cta-card .btn-submit {
            width: 100%;
            padding: 13px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
        }

        .cta-card .btn-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #cbd5e1;
            padding: 40px 0 24px;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 32px;
            align-items: start;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links a {
            color: #cbd5e1;
            font-size: 0.9rem;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 20px auto 0;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .page-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero .hero-stats {
                grid-template-columns: 1fr 1fr;
                max-width: 400px;
            }
            .page-hero {
                min-height: auto;
            }
            .page-hero .hero-text h1 {
                font-size: 2.1rem;
            }
            .section {
                padding: 50px 0;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .page-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-hero .hero-text h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-text .hero-subtitle {
                font-size: 1rem;
            }
            .page-hero .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
                padding: 20px;
            }
            .page-hero .hero-stats .stat-number {
                font-size: 1.8rem;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .page-hero .hero-actions .btn-primary-hero,
            .page-hero .hero-actions .btn-outline-hero {
                text-align: center;
                width: 100%;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card {
                margin-bottom: 12px;
            }
            .comparison-card {
                margin-bottom: 16px;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                gap: 10px;
            }
            .process-connector {
                left: 19px;
            }
            .process-step .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .deep-content-block {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .page-hero .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 16px;
            }
            .page-hero .hero-stats .stat-number {
                font-size: 1.5rem;
            }
            .page-hero .hero-stats .stat-label {
                font-size: 0.75rem;
            }
            .page-hero .hero-text h1 {
                font-size: 1.45rem;
            }
            .page-hero {
                min-height: auto;
            }
            .breadcrumb-bar .breadcrumb {
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .comparison-card {
                padding: 20px 16px;
            }
            .deep-content-block {
                padding: 20px 14px;
            }
            .deep-content-block h3 {
                font-size: 1.1rem;
            }
            .cta-card {
                padding: 22px 14px;
            }
            .cta-card h3 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .lang-switch button {
            border: 1px solid var(--border);
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }

        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-menu.show {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #eef2ff;
            color: var(--primary);
        }

        .mobile-menu .lang-switch-mobile {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 8px;
        }

        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: transparent;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
        }

        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .breadcrumb-nav .separator {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #f8faff 0%, #eef2ff 40%, #f1f5f9 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(248, 250, 255, 0.88);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin: 0 0 28px;
            line-height: 1.7;
            max-width: 560px;
        }

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

        .btn-primary-custom {
            display: inline-block;
            padding: 13px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            box-shadow: 0 4px 14px rgba(30, 58, 138, 0.25);
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            box-shadow: 0 6px 20px rgba(30, 58, 138, 0.35);
            transform: translateY(-1px);
        }

        .btn-accent-custom {
            display: inline-block;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline-custom {
            display: inline-block;
            padding: 12px 26px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
        }

        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .hero-visual {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }

        .hero-visual img {
            max-width: 480px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            margin: 0 auto;
        }

        /* ========== Section Common ========== */
        .section-padding {
            padding: var(--section-padding);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }

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

        .section-header .section-title {
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #eef2ff;
        }

        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            background: #eef2ff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 18px;
            transition: all var(--transition);
        }

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

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Comparison Section ========== */
        .comparison-section {
            background: var(--bg-alt);
        }

        .comparison-table-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table th {
            padding: 16px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
        }

        .comparison-table th:first-child {
            text-align: left;
            background: #162d6e;
            border-radius: 0;
        }

        .comparison-table th.highlight-col {
            background: var(--accent);
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            color: var(--text-secondary);
            text-align: center;
            vertical-align: middle;
        }

        .comparison-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .highlight-col {
            background: #fffbf7;
        }

        .comparison-table .check-icon {
            color: #10b981;
            font-weight: 700;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
        }

        /* ========== Process / Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== Content Block ========== */
        .content-block {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .content-block.reverse {
            flex-direction: row-reverse;
        }

        .content-block .content-text {
            flex: 1;
            min-width: 300px;
        }

        .content-block .content-text h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .content-block .content-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .content-block .content-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }

        .content-block .content-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            height: auto;
        }

        /* ========== Stats Bar ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-top: 4px solid var(--primary-light);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            border-top-color: var(--accent);
        }

        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--white);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #d0d9e8;
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }

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

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

        .faq-item.active .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.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #eef2ff 0%, #f8faff 40%, #e8f0fe 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(59, 130, 246, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-info {
            flex: 1;
            min-width: 280px;
        }

        .cta-info h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .cta-info p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form-wrap {
            flex: 1;
            min-width: 320px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form-wrap h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text);
            background: #fafbff;
            transition: all var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: #fff;
        }

        .form-submit-btn {
            width: 100%;
            padding: 13px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.2);
        }

        .form-submit-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.3);
            transform: translateY(-1px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #fff;
            padding: 40px 0 20px;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
            align-items: flex-start;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

        .footer-links a {
            color: #cbd5e1;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #94a3b8;
            align-items: center;
        }

        .footer-bottom a {
            color: #cbd5e1;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .feature-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-inner {
                gap: 30px;
            }
            .content-block {
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: var(--section-padding-mobile);
            }
            .hero-section {
                padding: 50px 0 40px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .feature-cards-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .content-block {
                flex-direction: column;
            }
            .content-block.reverse {
                flex-direction: column;
            }
            .cta-inner {
                flex-direction: column;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-inner {
                flex-direction: column;
            }
            .hero-visual img {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn-primary-custom,
            .hero-buttons .btn-accent-custom,
            .hero-buttons .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .comparison-table-wrap {
                overflow-x: auto;
            }
            .comparison-table {
                min-width: 500px;
            }
            .cta-form-wrap {
                padding: 20px;
            }
            .section-header {
                margin-bottom: 30px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

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

        .lang-switch button {
            border: 1px solid var(--border);
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }

        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text);
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: #f1f5f9;
            color: var(--primary-light);
        }

        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .mobile-menu .lang-switch-mobile {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 8px;
        }

        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: transparent;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }

        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary-light);
        }

        .breadcrumb-nav .separator {
            color: var(--text-muted);
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Hero Section ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 30%, #1e3a8a 60%, #1a2f6e 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/coverpic/cover-5.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(30, 58, 138, 0.7) 0%, rgba(30, 58, 138, 0.85) 100%);
            z-index: 2;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 3;
            max-width: 700px;
            color: #fff;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: #fff;
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
        }

        .page-hero .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        .btn-outline-white {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: var(--white);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
        }

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

        .section-header .section-title {
            position: relative;
            display: inline-block;
        }

        .section-header .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ========== Feature Cards ========== */
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            background: #eef2ff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--primary);
            transition: all var(--transition);
        }

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

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

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Comparison Table ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: var(--white);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            border: none;
        }

        .comparison-table thead th:first-child {
            background: #334155;
            text-align: left;
            border-radius: var(--radius) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius) 0 0;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: background var(--transition);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
            background: #f8fafc;
        }

        .comparison-table tbody tr:hover td {
            background: #f8faff;
        }

        .comparison-table .highlight-col {
            background: #eff6ff;
        }

        .comparison-table tbody tr:hover .highlight-col {
            background: #e0eeff;
        }

        .comparison-table .check-icon {
            color: #10b981;
            font-weight: 700;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
            font-weight: 700;
        }

        .comparison-table .star-icon {
            color: var(--accent);
        }

        /* ========== Process Steps ========== */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step .step-number {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .process-step:hover .step-number {
            background: var(--accent);
            transform: scale(1.05);
        }

        .process-step .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }

        .process-step .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ Accordion ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--white);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            padding: 18px 20px;
            background: var(--white);
            border: none;
            box-shadow: none;
            transition: all var(--transition);
            border-radius: var(--radius);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #f8faff;
            box-shadow: none;
            border-radius: var(--radius) var(--radius) 0 0;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }

        .faq-accordion .accordion-button::after {
            transition: transform var(--transition);
        }

        .faq-accordion .accordion-body {
            padding: 0 20px 18px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #f8faff;
            border-radius: 0 0 var(--radius) var(--radius);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-section .btn-accent {
            font-size: 1.1rem;
            padding: 14px 36px;
        }

        /* ========== Form Section ========== */
        .form-section {
            background: var(--bg-alt);
        }

        .form-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-lg);
            max-width: 600px;
            margin: 0 auto;
        }

        .form-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            text-align: center;
        }

        .form-card .form-subtitle {
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 0.95rem;
        }

        .form-card .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fafbfc;
        }

        .form-card .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: #fff;
        }

        .form-card .form-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-card .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1.05rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 8px;
        }

        .form-card .btn-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        /* ========== Data Stat Cards ========== */
        .stat-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .stat-card .stat-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-card .stat-value.accent {
            color: var(--accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #fff;
            padding: 40px 0 24px;
            font-size: 0.9rem;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 24px;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero {
                min-height: 340px;
                padding: 40px 0;
            }

            .section {
                padding: 50px 0;
            }

            .stat-card .stat-value {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .lang-switch {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .page-hero {
                min-height: 300px;
                padding: 32px 0;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-subtitle {
                font-size: 1rem;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .feature-card {
                padding: 20px 16px;
            }

            .comparison-table {
                min-width: 500px;
                font-size: 0.85rem;
            }

            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }

            .process-step {
                flex-direction: column;
                gap: 12px;
                padding: 16px 0;
            }

            .stat-card .stat-value {
                font-size: 1.8rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .form-card {
                padding: 28px 20px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-links {
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }

            .page-hero {
                min-height: 260px;
                padding: 24px 0;
            }

            .page-hero .hero-cta-row {
                flex-direction: column;
            }

            .btn-accent,
            .btn-outline-white {
                width: 100%;
                text-align: center;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .stat-card .stat-value {
                font-size: 1.6rem;
            }

            .comparison-table {
                min-width: 400px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --bg: #f8faff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.14);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-padding: 80px 0;
            --section-padding-mobile: 40px 0;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

        a:hover {
            color: var(--primary);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            height: 64px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 64px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.5px;
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .logo-text a:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary-light);
            background: #f1f5f9;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: #eef2ff;
        }

        .lang-switch {
            display: flex;
            gap: 4px;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .lang-switch button {
            border: 1px solid var(--border);
            background: transparent;
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
            border-radius: 20px;
        }

        .lang-switch button.active-lang {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
        }

        .lang-switch button:hover:not(.active-lang) {
            background: #eef2ff;
            color: var(--primary);
            border-color: #cbd5e1;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: #eef2ff;
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu .lang-switch-mobile {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            padding: 0 16px;
        }

        .mobile-menu .lang-switch-mobile button {
            flex: 1;
            padding: 10px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: transparent;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            font-weight: 500;
            color: var(--text-secondary);
        }

        .mobile-menu .lang-switch-mobile button.active-lang {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-inner a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-inner a:hover {
            color: var(--primary);
        }

        .breadcrumb-inner .separator {
            color: var(--text-muted);
        }

        .breadcrumb-inner .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.88) 0%, rgba(30, 58, 138, 0.72) 40%, rgba(15, 30, 70, 0.85) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 60px 20px;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
        }

        .category-hero .hero-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 2.75rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            letter-spacing: 1px;
            line-height: 1.25;
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        .category-hero .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            margin-top: 8px;
        }

        .category-hero .hero-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .category-hero .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .category-hero .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }

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

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 700px;
        }

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

        .section-header .section-title {
            margin-bottom: 12px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ========== Cards ========== */
        .card-custom {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: all var(--transition);
            height: 100%;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #e8ecf4;
        }

        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: #eef2ff;
            color: var(--primary);
        }

        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .card-custom .card-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .card-custom .card-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 12px;
        }

        .badge-recommend {
            background: #fef3c7;
            color: #b45309;
        }

        .badge-pro {
            background: #e0e7ff;
            color: #3730a3;
        }

        .badge-entry {
            background: #f0fdf4;
            color: #166534;
        }

        /* ========== Config Table ========== */
        .config-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: var(--white);
        }

        .config-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .config-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }

        .config-table tbody td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.93rem;
            color: var(--text-secondary);
        }

        .config-table tbody tr:hover td {
            background: #f8faff;
        }

        .config-table .highlight-col {
            background: #eef2ff;
            font-weight: 600;
            color: var(--primary);
        }

        .config-table .price-cell {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.05rem;
        }

        /* ========== Scenario Cards ========== */
        .scenario-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }

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

        .scenario-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .scenario-card .scenario-body {
            padding: 20px 24px;
        }

        .scenario-card .scenario-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 6px;
        }

        .scenario-card .scenario-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== Process Steps ========== */
        .process-steps {
            display: flex;
            gap: 0;
            position: relative;
            flex-wrap: wrap;
        }

        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 20px 16px;
        }

        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            position: relative;
            z-index: 2;
        }

        .process-step .step-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 4px;
        }

        .process-step .step-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 44px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .process-step:last-child::after {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            background: var(--white);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            padding: 18px 20px;
            background: var(--white);
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: #eef2ff;
            color: var(--primary);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-light);
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fdfdff;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1e3a8a 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.15);
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.12);
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 2px solid transparent;
            font-size: 1rem;
            background: #fff;
            color: var(--text);
            transition: all var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
        }

        .cta-form .btn-cta {
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .cta-form .btn-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1e3a8a;
            color: #fff;
            padding: 40px 0 24px;
        }

        .footer-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            align-items: flex-start;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 24px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.6rem;
            }
            .process-step::after {
                width: 60%;
                left: 65%;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .lang-switch {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .section {
                padding: var(--section-padding-mobile);
            }
            .category-hero {
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .category-hero .hero-cta {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .process-steps {
                flex-direction: column;
                gap: 8px;
            }
            .process-step {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
                padding: 12px 0;
            }
            .process-step .step-number {
                flex-shrink: 0;
                margin: 0;
            }
            .process-step::after {
                display: none;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 400px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 20px;
            }
            .footer-links {
                gap: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-stats {
                gap: 12px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.2rem;
            }
            .category-hero .hero-stat .stat-label {
                font-size: 0.75rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .config-table thead th,
            .config-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }