/* roulang page: index */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #FF7A45;
            --bg-page: #F7FAFC;
            --bg-card: #FFFFFF;
            --text-title: #1A2B3C;
            --text-body: #4A5568;
            --text-muted: #8A94A6;
            --border: #E2E8F0;
            --dark-bg: #123B6D;
            --footer-bg: #0F2440;
            --radius-card: 12px;
            --radius-hero: 16px;
            --shadow-card: 0 2px 8px rgba(26, 43, 60, 0.04);
            --shadow-hover: 0 12px 32px rgba(43, 108, 176, 0.12);
            --shadow-hero: 0 20px 48px rgba(26, 43, 60, 0.12);
            --container: 1200px;
            --space-section: 80px;
            --space-section-mobile: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-page);
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 43, 60, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.25);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--primary);
        }

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

        .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 8px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* Mega Menu */
        .mega-trigger {
            position: relative;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .mega-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .mega-panel {
            position: absolute;
            right: 0;
            top: calc(100% + 8px);
            width: 720px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 48px rgba(26, 43, 60, 0.12);
            border: 1px solid var(--border);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.2s ease;
            pointer-events: none;
            z-index: 60;
        }

        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

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

        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .mega-link-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 8px 10px;
            border-radius: 8px;
            transition: background 0.2s ease;
        }

        .mega-link-item:hover {
            background: var(--primary-light);
        }

        .mega-link-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .mega-link-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
        }

        .mega-link-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
            margin-top: 2px;
        }

        .mega-news-item {
            display: block;
            padding: 8px 10px;
            border-radius: 8px;
            transition: background 0.2s ease;
        }

        .mega-news-item:hover {
            background: var(--primary-light);
        }

        .mega-news-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
        }

        .mega-news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .mega-cta-card {
            background: var(--primary-light);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }

        .mega-cta-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .mega-cta-desc {
            font-size: 12px;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        /* Mobile nav */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-btn:hover {
            background: var(--primary-light);
        }

        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 45;
            padding: 24px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu-link {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            border-bottom: 1px solid var(--border);
            transition: all 0.2s ease;
        }

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

        .mobile-menu-link.active {
            color: var(--primary);
            border-left: 3px solid var(--primary);
            padding-left: 15px;
        }

        .mobile-mega-toggle {
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            border-left: none;
            border-right: none;
            border-top: none;
            width: 100%;
            text-align: left;
        }

        .mobile-mega-content {
            display: none;
            padding: 8px 12px 16px;
        }

        .mobile-mega-content.open {
            display: block;
        }

        /* ---------- Buttons ---------- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(43, 108, 176, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            border: 1px solid var(--primary);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(255, 122, 69, 0.3);
        }

        .btn-accent:hover {
            background: #e8632e;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 122, 69, 0.35);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-accent:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ---------- Hero ---------- */
        .hero-section {
            background: linear-gradient(135deg, var(--primary-light) 0%, #ffffff 60%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(43, 108, 176, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .hero-title {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
        }

        .trust-item::before {
            content: '✓';
            width: 18px;
            height: 18px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 800;
        }

        .hero-image {
            border-radius: var(--radius-hero);
            overflow: hidden;
            box-shadow: var(--shadow-hero);
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
        }

        .hero-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        /* ---------- Section general ---------- */
        .section-padding {
            padding: var(--space-section) 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ---------- Pain points ---------- */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.5);
        }

        .pain-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
            transition: background 0.3s ease, color 0.3s ease;
        }

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

        .pain-desc {
            font-size: 14px;
            color: var(--text-title);
            font-weight: 600;
            line-height: 1.6;
            margin-bottom: 6px;
        }

        .pain-result {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ---------- Solutions ---------- */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 36px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.5);
        }

        .solution-icon-wrap {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background: var(--primary-light);
            margin-bottom: 18px;
        }

        .icon-circle {
            border-radius: 50%;
        }

        .icon-square {
            border-radius: 10px;
        }

        .icon-hexagon {
            border-radius: 8px;
            transform: rotate(45deg);
            font-size: 18px;
        }

        .icon-hexagon i {
            transform: rotate(-45deg);
        }

        .icon-semi {
            border-radius: 48px 48px 8px 8px;
            height: 28px;
            margin-top: 10px;
            margin-bottom: 28px;
        }

        .solution-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .solution-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .solution-list li {
            position: relative;
            padding-left: 20px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 4px;
        }

        .solution-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.7;
        }

        .solution-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            position: relative;
            transition: all 0.2s ease;
        }

        .solution-link:hover {
            color: var(--accent);
        }

        .solution-link::after {
            content: '→';
            margin-left: 4px;
            transition: transform 0.2s ease;
            display: inline-block;
        }

        .solution-link:hover::after {
            transform: translateX(4px);
        }

        /* ---------- Stats ---------- */
        .stats-section {
            background: var(--dark-bg);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(43, 108, 176, 0.3) 0%, transparent 50%);
        }

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

        .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: #b7c9e0;
            font-weight: 500;
        }

        /* ---------- Form CTA band ---------- */
        .cta-band {
            background: var(--primary-light);
            border-radius: 16px;
            padding: 32px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin: 60px 0;
            border: 1px solid rgba(43, 108, 176, 0.12);
        }

        .cta-band-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.4;
        }

        .cta-band-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ---------- Privacy ---------- */
        .privacy-bar {
            background: #F1F5F9;
            padding: 20px 0;
            border-radius: 12px;
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .privacy-bar p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 720px;
            text-align: center;
        }

        .privacy-bar .shield {
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ---------- News ---------- */
        .news-section {
            background: #fff;
            padding: var(--space-section) 0;
            border-top: 1px solid var(--border);
        }

        .news-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .news-link-all {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            transition: color 0.2s ease;
        }

        .news-link-all:hover {
            color: var(--accent);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            list-style: none;
        }

        .news-item {
            height: 100%;
        }

        .news-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.5);
        }

        .news-card-img {
            height: 180px;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }

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

        .news-card-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 12px;
            width: fit-content;
            transition: background 0.2s ease, color 0.2s ease;
        }

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

        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 12px;
        }

        .news-card-date {
            font-size: 12px;
            color: #B0B8C4;
        }

        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
            background: #FAFBFC;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            padding: var(--space-section) 0;
        }

        .faq-list {
            max-width: 760px;
            margin: 32px auto 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            text-align: left;
            padding: 0;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            padding-top: 12px;
        }

        /* ---------- Bottom CTA ---------- */
        .bottom-cta {
            background: var(--bg-page);
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        .bottom-cta-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .bottom-cta-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--footer-bg);
            color: #b0c4de;
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #8a9fc0;
            margin-bottom: 16px;
        }

        .footer-contact {
            font-size: 13px;
            line-height: 1.8;
            color: #8a9fc0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 14px;
            color: #8a9fc0;
            transition: color 0.2s ease;
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-social-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            font-size: 13px;
            color: #b0c4de;
            transition: all 0.2s ease;
        }

        .footer-social-item:hover {
            background: var(--accent);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            font-size: 13px;
            color: #6c82a0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ---------- Modal ---------- */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.2s ease;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-card {
            background: #fff;
            border-radius: 16px;
            max-width: 520px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            padding: 32px;
            position: relative;
            transform: translateY(20px);
            transition: transform 0.2s ease;
        }

        .modal-overlay.active .modal-card {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 36px;
            height: 36px;
            border: none;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .modal-close:hover {
            background: var(--primary);
            color: #fff;
        }

        .modal-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .modal-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 6px;
            display: block;
        }

        .form-input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            font-family: inherit;
            color: var(--text-title);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            margin-bottom: 16px;
            outline: none;
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
        }

        .form-input::placeholder {
            color: #B0B8C4;
        }

        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%238A94A6'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 18px;
            padding-right: 40px;
        }

        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
            line-height: 1.5;
        }

        .form-submit {
            width: 100%;
            justify-content: center;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .mega-trigger {
                display: none;
            }

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

            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-image img {
                height: 300px;
            }

            .solutions-grid {
                gap: 16px;
            }

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

            .stats-grid {
                grid-template-columns: 2fr 2fr;
                gap: 28px;
            }

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

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

            .mega-panel {
                width: 600px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 48px;
            }

            .section-title {
                font-size: 24px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-section {
                padding: 48px 0 40px;
            }

            .hero-ctas .btn-primary,
            .hero-ctas .btn-secondary {
                width: 100%;
                justify-content: center;
            }

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

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

            .news-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-band {
                padding: 24px;
                text-align: center;
                justify-content: center;
            }

            .cta-band .btn-accent {
                width: 100%;
                justify-content: center;
            }

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

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

            .stat-num {
                font-size: 34px;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }

            .header-inner {
                height: 64px;
            }

            .mobile-menu {
                top: 64px;
            }

            .form-submit {
                width: 100%;
            }

            .bottom-cta {
                padding: 56px 0;
            }

            .bottom-cta-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .stat-num {
                font-size: 28px;
            }

            .stat-label {
                font-size: 12px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 4px 12px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-image img {
                height: 240px;
            }

            .trust-item {
                font-size: 12px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        /* line-clamp helper */
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

/* roulang page: category1 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #FF7A45;
            --accent-dark: #E85C2A;
            --bg-page: #F7FAFC;
            --bg-card: #FFFFFF;
            --text-heading: #1A2B3C;
            --text-body: #4A5568;
            --text-muted: #8A94A6;
            --border-color: #E2E8F0;
            --bg-dark: #123B6D;
            --bg-footer: #0F2440;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 2px 8px rgba(26, 43, 60, 0.04);
            --shadow-hover: 0 12px 32px rgba(43, 108, 176, 0.12);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-w: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-page);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(26, 43, 60, 0.03);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.25);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta {
            background: var(--accent);
            color: #fff;
            border-radius: 8px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(255, 122, 69, 0.3);
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            background: none;
            font-size: 24px;
            color: var(--text-heading);
            width: 42px;
            height: 42px;
            border-radius: 8px;
        }

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

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 12px 32px rgba(26, 43, 60, 0.1);
            padding: 16px 24px 24px;
            z-index: 99;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-nav .nav-link {
            padding: 12px 14px;
            font-size: 15px;
            border-radius: 8px;
        }

        .mobile-nav .nav-link:hover {
            background: var(--primary-light);
        }

        .mobile-nav .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--primary-light) 0%, #ffffff 70%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .page-banner::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 480px;
            height: 480px;
            background: url('/assets/images/backpic/back-3.webp') no-repeat center/cover;
            border-radius: 50%;
            opacity: 0.06;
            pointer-events: none;
        }

        .banner-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .banner-crumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .banner-crumb a {
            color: var(--primary);
        }

        .banner-crumb a:hover {
            text-decoration: underline;
        }

        .banner-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .banner-title span {
            color: var(--primary);
        }

        .banner-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 30px;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(43, 108, 176, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
        }

        .btn-secondary:hover {
            background: var(--primary-light);
        }

        .banner-trust {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            font-size: 14px;
            color: var(--text-body);
        }

        .banner-trust li {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .banner-trust li i {
            color: var(--primary);
            font-size: 15px;
        }

        .banner-image {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 48px rgba(26, 43, 60, 0.14);
            overflow: hidden;
            height: 340px;
            position: relative;
        }

        .banner-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Sections ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #fff;
        }

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

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 20px;
            padding: 6px 18px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Feature cards 2x2 */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            gap: 18px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.4);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            transition: background 0.3s;
        }

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

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Venue type cards */
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .venue-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .venue-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .venue-cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .venue-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .venue-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .venue-body {
            padding: 22px 24px 26px;
        }

        .venue-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .venue-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 16px;
        }

        .venue-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .venue-meta i {
            color: var(--primary);
            font-size: 13px;
            width: 16px;
        }

        .venue-price {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .venue-card .btn-block {
            width: 100%;
            text-align: center;
        }

        .btn-outline {
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-body);
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all 0.25s;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

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

        .step-card {
            text-align: center;
            padding: 30px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Stats */
        .stats-bar {
            background: var(--bg-dark);
            padding: 60px 0;
        }

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

        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 44px;
            gap: 8px;
        }

        .pagination-wrap a,
        .pagination-wrap span {
            min-width: 40px;
            height: 40px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            background: #fff;
            color: var(--text-body);
        }

        .pagination-wrap .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .pagination-wrap a:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-color);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 4px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            transition: color 0.25s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--primary);
        }

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            transition: transform 0.3s ease, background 0.3s;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary-light);
        }

        .faq-answer {
            padding: 0 4px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 70px 0;
            text-align: center;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 14px;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 16px 48px;
            border-radius: 8px;
            box-shadow: 0 6px 20px rgba(255, 122, 69, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (min-width: 1025px) {
            .nav-toggle,
            .mobile-nav {
                display: none !important;
            }
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .banner-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .banner-title {
                font-size: 34px;
            }

            .banner-image {
                height: 280px;
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }

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

        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 40px;
            }

            .banner-title {
                font-size: 28px;
            }

            .banner-trust {
                flex-wrap: wrap;
                gap: 14px 20px;
            }

            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 24px;
            }

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

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px 12px;
            }

            .stat-item .stat-num {
                font-size: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .cta-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .banner-actions {
                flex-direction: column;
                width: 100%;
            }

            .banner-actions .btn-primary,
            .banner-actions .btn-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .banner-image {
                height: 220px;
            }

            .section-title {
                font-size: 22px;
            }

            .venue-card .venue-body {
                padding: 18px;
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #FF7A45;
            --bg: #F7FAFC;
            --card: #FFFFFF;
            --heading: #1A2B3C;
            --text: #4A5568;
            --muted: #8A94A6;
            --border: #E2E8F0;
            --dark-bg: #123B6D;
            --radius: 12px;
            --shadow: 0 2px 8px rgba(26, 43, 60, 0.04);
            --shadow-hover: 0 12px 32px rgba(43, 108, 176, 0.12);
            --container: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--heading);
            outline: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 14px;
            background: #fff;
            width: 100%;
            transition: border-color .2s, box-shadow .2s;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, .12);
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(26, 43, 60, .04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 1px;
        }

        .header-brand .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--heading);
            white-space: nowrap;
        }

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

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            position: relative;
            transition: color .2s, background .2s;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, .2);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus,
        .btn-accent:focus,
        .btn-outline:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(43, 108, 176, .15);
        }

        .btn-outline {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
        }

        .btn-accent {
            background: var(--accent);
            color: #FFFFFF;
        }

        .btn-accent:hover {
            background: #E86A35;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 122, 69, .25);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-light);
            padding: 8px 10px;
        }

        .menu-toggle span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: transform .3s, opacity .3s;
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 24px 24px;
            box-shadow: 0 12px 24px rgba(26, 43, 60, .08);
        }

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

        .mobile-menu .mobile-nav-link {
            display: block;
            padding: 12px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid #F0F4F8;
        }

        .mobile-menu .mobile-nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 8px;
        }

        .mobile-menu .mobile-nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
        }

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

        .breadcrumb-sep {
            color: #CBD5E0;
        }

        .article-main {
            padding: 48px 0 64px;
        }

        .article-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-header-card {
            background: linear-gradient(180deg, var(--primary-light) 0%, #FFFFFF 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px 48px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
        }

        .article-header-card .meta-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .meta-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .article-header-card h1 {
            font-size: 32px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 20px;
            word-break: break-word;
        }

        .article-summary {
            background: rgba(255, 255, 255, .75);
            border: 1px solid rgba(43, 108, 176, .15);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 16px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text);
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto 56px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 48px 56px;
            box-shadow: var(--shadow);
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--heading);
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin: 28px 0 12px;
        }

        .article-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 16px;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--accent);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: var(--bg);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            color: var(--text);
            margin: 24px 0;
            font-style: normal;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--primary-light);
            font-weight: 600;
            color: var(--heading);
        }

        .article-body img {
            border-radius: 8px;
            margin: 24px 0;
        }

        .related-section {
            margin: 56px 0 40px;
        }

        .related-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 28px;
            position: relative;
            padding-left: 14px;
        }

        .related-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

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

        .related-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            display: block;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(43, 108, 176, .5);
        }

        .related-card .related-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--primary-light);
        }

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

        .related-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-date {
            font-size: 12px;
            color: var(--muted);
        }

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

        .back-row {
            text-align: center;
            margin: 16px 0 48px;
        }

        .cta-section {
            background: var(--primary-light);
            border-radius: 16px;
            padding: 56px 48px;
            text-align: center;
            margin: 40px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text);
            margin-bottom: 24px;
            font-size: 15px;
        }

        .not-found-section {
            padding: 100px 0;
            text-align: center;
        }

        .not-found-section h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 16px;
        }

        .not-found-section p {
            color: var(--muted);
            margin-bottom: 28px;
        }

        .site-footer {
            background: #0F2440;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 12px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 320px;
        }

        .footer-contact {
            font-size: 13px;
            line-height: 2;
            color: rgba(255, 255, 255, .55);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, .35);
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .4);
            z-index: 200;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .2s ease, visibility .2s ease;
        }

        .modal-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .modal-card {
            background: #FFFFFF;
            border-radius: 16px;
            max-width: 520px;
            width: 100%;
            padding: 36px 40px 32px;
            position: relative;
            box-shadow: 0 20px 48px rgba(26, 43, 60, .12);
            transform: translateY(16px);
            transition: transform .2s ease;
        }

        .modal-overlay.open .modal-card {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }

        .modal-close:hover {
            background: #D6E9FF;
        }

        .modal-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 6px;
        }

        .modal-card .modal-sub {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 24px;
        }

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

        .modal-card .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 6px;
        }

        .modal-card .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.6;
            margin-top: 12px;
            text-align: center;
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

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

            .article-header-card {
                padding: 32px 28px;
            }

            .article-body {
                padding: 36px 32px;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            .header-brand .brand-text {
                font-size: 18px;
            }

            .breadcrumb-bar .container {
                font-size: 12px;
            }

            .article-main {
                padding: 32px 0 48px;
            }

            .article-header-card {
                padding: 24px 20px;
                margin-bottom: 24px;
            }

            .article-header-card h1 {
                font-size: 24px;
            }

            .article-body {
                padding: 24px 20px;
                margin-bottom: 32px;
            }

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

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

            .cta-section h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .modal-card {
                padding: 28px 24px 24px;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-sm {
                display: none;
            }

            .article-header-card h1 {
                font-size: 21px;
            }

            .article-body {
                padding: 20px 16px;
            }

            .article-body h2 {
                font-size: 20px;
            }

            .related-section h2 {
                font-size: 20px;
            }

            .cta-section h2 {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #FF7A45;
            --accent-dark: #E8622F;
            --deep-blue: #123B6D;
            --footer-dark: #0F2440;
            --body-bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --title-color: #1A2B3C;
            --body-text: #4A5568;
            --muted-text: #8A94A6;
            --border-color: #E2E8F0;
            --radius-card: 12px;
            --radius-feature: 16px;
            --shadow-card: 0 2px 8px rgba(26,43,60,0.04);
            --shadow-hover: 0 12px 32px rgba(43,108,176,0.12);
            --shadow-feature: 0 20px 48px rgba(26,43,60,0.12);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.75;
            background-color: var(--body-bg);
            color: var(--body-text);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.97);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 43, 60, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--title-color);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--title-color);
            padding: 8px 4px;
            position: relative;
            transition: color 0.2s ease;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform 0.25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            cursor: pointer;
            outline: none;
        }
        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.35);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 122, 69, 0.3);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            color: var(--title-color);
        }

        .mega-wrap {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 640px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-feature);
            padding: 28px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all 0.2s ease;
            z-index: 100;
        }
        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 12px;
        }
        .mega-link {
            display: block;
            font-size: 14px;
            color: var(--body-text);
            padding: 6px 0;
            border-radius: 6px;
            transition: color 0.2s ease;
        }
        .mega-link:hover {
            color: var(--primary);
        }
        .mega-cta {
            background: var(--primary-light);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }
        .mega-cta p {
            font-size: 14px;
            color: var(--title-color);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .category-banner {
            position: relative;
            background: linear-gradient(135deg, #EBF4FF 0%, #ffffff 70%);
            padding: 72px 0 60px;
        }
        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .banner-inner {
            position: relative;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(43, 108, 176, 0.2);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .banner-sub {
            font-size: 15px;
            color: var(--body-text);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .sub {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--muted-text);
            max-width: 560px;
            margin: 0 auto;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            padding: 32px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(43, 108, 176, 0.5);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--body-text);
            line-height: 1.7;
        }
        .feature-card ul {
            list-style: none;
            margin-top: 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .feature-card ul li {
            font-size: 14px;
            color: var(--body-text);
            padding-left: 20px;
            position: relative;
        }
        .feature-card ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .scene-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scene-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .scene-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scene-icon {
            font-size: 32px;
            margin-bottom: 12px;
        }
        .scene-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 6px;
        }
        .scene-item p {
            font-size: 13px;
            color: var(--muted-text);
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-card);
            background: var(--primary-light);
            position: relative;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--body-text);
            line-height: 1.6;
        }

        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .course-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .course-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(43, 108, 176, 0.5);
        }
        .course-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .course-body {
            padding: 24px;
        }
        .course-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .course-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .course-body p {
            font-size: 14px;
            color: var(--body-text);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .course-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--muted-text);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .course-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .course-link:hover {
            color: var(--primary-dark);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--title-color);
            transition: color 0.2s ease;
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--body-text);
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 12px;
        }

        .cta-section {
            padding: 80px 0;
            background: #fff;
            text-align: center;
        }
        .cta-inner {
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--title-color);
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 15px;
            color: var(--muted-text);
            margin-bottom: 28px;
        }

        .site-footer {
            background: var(--footer-dark);
            color: rgba(255, 255, 255, 0.9);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .footer-contact {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .empty-list {
            border: 2px dashed var(--border-color);
            border-radius: var(--radius-card);
            padding: 48px 24px;
            text-align: center;
            color: var(--muted-text);
            font-size: 14px;
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.2s ease;
        }
        .modal-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .modal-card {
            background: #fff;
            border-radius: 16px;
            max-width: 520px;
            width: calc(100% - 32px);
            padding: 32px;
            position: relative;
            transform: translateY(12px);
            transition: transform 0.2s ease;
        }
        .modal-overlay.show .modal-card {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border: none;
            background: var(--body-bg);
            border-radius: 50%;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }
        .modal-close:hover {
            background: var(--border-color);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--muted-text);
            text-align: center;
            margin-top: 12px;
        }

        @media (max-width: 1024px) {
            .scene-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .mega-panel {
                width: 480px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 56px 0;
            }
            .header-inner {
                height: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-feature);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                padding: 10px 8px;
                font-size: 15px;
            }
            .nav-link::after {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-actions .btn {
                display: none;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .course-grid {
                grid-template-columns: 1fr;
            }
            .scene-list {
                grid-template-columns: 1fr;
            }
            .steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .banner h1 {
                font-size: 28px;
            }
            .mega-panel {
                display: none;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .banner h1 {
                font-size: 24px;
            }
            .btn {
                width: 100%;
            }
            .category-banner {
                padding: 48px 0 40px;
            }
        }

/* roulang page: category3 */
:root {
        --primary: #2B6CB0;
        --primary-dark: #1E4E8C;
        --primary-light: #EBF4FF;
        --accent: #FF7A45;
        --bg: #F7FAFC;
        --card-bg: #FFFFFF;
        --text-title: #1A2B3C;
        --text-body: #4A5568;
        --text-muted: #8A94A6;
        --border: #E2E8F0;
        --deep-blue: #123B6D;
        --footer-bg: #0F2440;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-sm: 0 2px 8px rgba(26, 43, 60, 0.04);
        --shadow-hover: 0 12px 32px rgba(43, 108, 176, 0.12);
        --shadow-lg: 0 20px 48px rgba(26, 43, 60, 0.12);
        --container: 1200px;
        --spacer: 80px;
    }

    *,
    *::before,
    *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--bg);
        color: var(--text-body);
        line-height: 1.75;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: color 0.2s ease;
    }

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

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

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

    .section {
        padding: var(--spacer) 0;
    }

    .section-alt {
        background: #FFFFFF;
    }

    .section-title {
        font-size: 28px;
        font-weight: 800;
        color: var(--text-title);
        line-height: 1.3;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }

    .section-sub {
        font-size: 15px;
        color: var(--text-muted);
        max-width: 640px;
        margin-bottom: 40px;
        line-height: 1.7;
    }

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

    .section-head-center .section-sub {
        margin-left: auto;
        margin-right: auto;
    }

    @media (max-width: 768px) {
        :root {
            --spacer: 48px;
        }
        .section-title {
            font-size: 22px;
        }
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        transition: box-shadow 0.25s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 4px 16px rgba(26, 43, 60, 0.06);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
    }

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

    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0;
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 18px;
        font-weight: 800;
        color: var(--text-title);
        white-space: nowrap;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 26px;
    }

    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--text-title);
        padding: 8px 2px;
        border-bottom: 2px solid transparent;
        transition: color 0.2s ease, border-color 0.2s ease;
        white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
        color: var(--primary);
        border-bottom-color: rgba(43, 108, 176, 0.4);
        outline: none;
    }

    .nav-link.active {
        color: var(--primary);
        border-bottom-color: var(--primary);
        font-weight: 600;
    }

    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: 1px solid var(--border);
        border-radius: 10px;
        background: #fff;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: var(--text-title);
        font-size: 18px;
        transition: background 0.2s, border-color 0.2s;
    }

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

    @media (max-width: 768px) {
        .menu-toggle {
            display: flex;
        }
        .main-nav {
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: flex-start;
            padding: 16px 24px 24px;
            gap: 6px;
            display: none;
            box-shadow: 0 16px 32px rgba(26, 43, 60, 0.10);
            border-top: 1px solid var(--border);
        }
        .main-nav.open {
            display: flex;
        }
        .nav-link {
            width: 100%;
            padding: 10px 0;
            border-bottom: none;
            font-size: 16px;
        }
        .nav-link.active {
            border-bottom: none;
            background: var(--primary-light);
            border-radius: 8px;
            padding-left: 12px;
            padding-right: 12px;
        }
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        padding: 13px 28px;
        border-radius: 8px;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        box-shadow: 0 4px 16px rgba(43, 108, 176, 0.18);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(43, 108, 176, 0.22);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: none;
    }

    .btn-primary:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #fff;
        color: var(--primary);
        font-size: 15px;
        font-weight: 600;
        padding: 13px 28px;
        border-radius: 8px;
        border: 1px solid var(--primary);
        cursor: pointer;
        transition: background 0.2s, border-color 0.2s, transform 0.2s;
    }

    .btn-outline:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
    }

    .btn-outline:active {
        transform: translateY(0);
    }

    .btn-outline:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

    .btn-accent {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent);
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        padding: 14px 32px;
        border-radius: 8px;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        box-shadow: 0 6px 20px rgba(255, 122, 69, 0.25);
    }

    .btn-accent:hover {
        background: #E85D2A;
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(255, 122, 69, 0.3);
    }

    .btn-accent:active {
        transform: translateY(0);
        box-shadow: none;
    }

    .btn-accent:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }

    .banner {
        position: relative;
        padding: 90px 0 90px;
        background: linear-gradient(120deg, var(--primary-light) 0%, #F0F7FF 60%, #ffffff 100%);
        overflow: hidden;
    }

    .banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.08;
        pointer-events: none;
    }

    .banner::after {
        content: '';
        position: absolute;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: rgba(43, 108, 176, 0.06);
        top: -120px;
        right: -80px;
        pointer-events: none;
    }

    .banner-content {
        position: relative;
        z-index: 1;
        max-width: 800px;
    }

    .banner h1 {
        font-size: 36px;
        font-weight: 800;
        color: var(--text-title);
        line-height: 1.3;
        margin-bottom: 16px;
    }

    .banner .banner-desc {
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.8;
        max-width: 620px;
        margin-bottom: 0;
    }

    .banner-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: #fff;
        border: 1px solid var(--border);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 20px;
        margin-bottom: 18px;
    }

    @media (max-width: 768px) {
        .banner {
            padding: 48px 0 48px;
        }
        .banner h1 {
            font-size: 24px;
        }
    }

    .card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 24px;
        box-shadow: var(--shadow-sm);
        transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        height: 100%;
    }

    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(43, 108, 176, 0.5);
    }

    .icon-wrap {
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 22px;
        margin-bottom: 16px;
        background: var(--primary-light);
        transition: background 0.25s;
    }

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

    .icon-circle {
        border-radius: 50%;
    }

    .icon-square {
        border-radius: 14px;
    }

    .icon-hex {
        clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
        border-radius: 0;
    }

    .icon-semi {
        border-radius: 30px 30px 0 0;
    }

    .card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .card p {
        font-size: 14px;
        color: var(--text-body);
        line-height: 1.7;
    }

    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        margin-top: 14px;
        transition: gap 0.2s;
    }

    .card-link:hover {
        gap: 10px;
        color: var(--primary-dark);
    }

    .stat-band {
        background: var(--deep-blue);
        color: #fff;
        padding: 80px 0;
    }

    .stat-number {
        font-size: 42px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
        margin-bottom: 6px;
    }

    .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
    }

    @media (max-width: 768px) {
        .stat-band {
            padding: 48px 0;
        }
        .stat-number {
            font-size: 30px;
        }
    }

    .scene-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        height: 100%;
        transition: transform 0.3s, box-shadow 0.3s;
        position: relative;
        overflow: hidden;
    }

    .scene-card::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--primary);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .scene-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }

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

    .scene-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 19px;
        margin-bottom: 16px;
    }

    .scene-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 8px;
    }

    .scene-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    .step-number {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 20px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
        transition: background 0.25s, color 0.25s;
    }

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

    .step-card {
        text-align: center;
        padding: 28px 20px;
    }

    .step-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-title);
        margin-bottom: 8px;
    }

    .step-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    .content-list-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .content-list-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(43, 108, 176, 0.5);
    }

    .content-list-card .thumb {
        background: var(--primary-light);
        aspect-ratio: 16 / 10;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .content-list-card .thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s;
    }

    .content-list-card:hover .thumb img {
        transform: scale(1.04);
    }

    .content-list-card .body {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .tag-pill {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 3px 12px;
        border-radius: 20px;
        margin-bottom: 12px;
        align-self: flex-start;
    }

    .content-list-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-title);
        line-height: 1.5;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .content-list-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 14px;
    }

    .content-list-card .date {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: auto;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .faq-item {
        border-top: 1px solid var(--border);
    }

    .faq-item:last-child {
        border-bottom: 1px solid var(--border);
    }

    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 0;
        cursor: pointer;
        list-style: none;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-title);
        transition: color 0.2s;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary:hover {
        color: var(--primary);
    }

    .faq-item summary .fa-plus {
        font-size: 14px;
        color: var(--primary);
        flex-shrink: 0;
        transition: transform 0.3s;
    }

    .faq-item[open] summary .fa-plus {
        transform: rotate(45deg);
    }

    .faq-item .faq-answer {
        padding: 0 0 20px;
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.75;
        max-width: 860px;
    }

    .cta-section {
        background: var(--primary-light);
        padding: 80px 0;
        text-align: center;
    }

    .cta-section h2 {
        font-size: 28px;
        font-weight: 800;
        color: var(--text-title);
        margin-bottom: 12px;
    }

    .cta-section p {
        font-size: 15px;
        color: var(--text-muted);
        margin-bottom: 28px;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    @media (max-width: 768px) {
        .cta-section {
            padding: 48px 0;
        }
        .cta-section h2 {
            font-size: 22px;
        }
    }

    .site-footer {
        background: var(--footer-bg);
        color: rgba(255, 255, 255, 0.7);
        padding: 48px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 14px;
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 16px;
        max-width: 340px;
    }

    .footer-contact {
        font-size: 13px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-links {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        transition: color 0.2s;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

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

    .badge-check {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--text-body);
    }

    .badge-check i {
        color: var(--primary);
    }