/* roulang page: index */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 96px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: 44px;
            font-weight: 700;
        }

        h2 {
            font-size: 30px;
            font-weight: 600;
        }

        h3 {
            font-size: 22px;
            font-weight: 600;
        }

        h4 {
            font-size: 18px;
            font-weight: 600;
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition-base);
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn--primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

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

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

        .btn--secondary {
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid transparent;
        }

        .btn--secondary:hover {
            background: #D6E4FF;
            color: var(--primary-hover);
            transform: translateY(-1px);
        }

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

        .btn--outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .btn--ghost-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn--ghost-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn--white {
            background: #fff;
            color: var(--primary);
            border: 1px solid transparent;
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
        }

        .btn--white:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            transform: translateY(-1px);
        }

        .btn--block {
            width: 100%;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background: var(--bg-white);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: var(--bg-white);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 16px;
            border-top: 1px solid var(--border);
        }

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

        .mobile-nav .nav-links {
            flex-direction: column;
            gap: 4px;
            align-items: flex-start;
            justify-content: flex-start;
            margin-top: 16px;
        }

        .mobile-nav .nav-links li a {
            display: block;
            font-size: 18px;
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            width: 100%;
        }

        .mobile-nav .nav-ctas {
            flex-direction: column;
            margin-top: 20px;
        }

        .mobile-nav .btn {
            width: 100%;
        }

        /* Hero */
        .hero {
            background: linear-gradient(180deg, #F0F5FF 0%, var(--bg-page) 100%);
            position: relative;
            overflow: hidden;
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(28, 92, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 460px;
            gap: 56px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .hero h1 {
            font-size: 46px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
            letter-spacing: -0.015em;
            line-height: 1.2;
        }

        .hero-sub {
            font-size: 17px;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-invite-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            max-width: 440px;
        }

        .hero-invite-card h2 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .hero-invite-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .progress-track {
            width: 100%;
            height: 8px;
            background: var(--primary-soft);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .progress-fill {
            width: 72%;
            height: 100%;
            background: var(--primary);
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .hero-visual {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card-hover);
            overflow: hidden;
            min-height: 380px;
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            background: var(--primary-soft);
        }

        .hero-visual-body {
            padding: 20px 24px 24px;
        }

        .hero-visual-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .hero-visual-body .status-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-body);
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-visual-body .status-row:last-child {
            border-bottom: none;
        }

        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            margin-right: 6px;
        }

        .status-dot--gold {
            background: var(--gold);
        }

        .hero-visual .btn {
            margin-top: 14px;
        }

        /* Section headers */
        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

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

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 18px;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-top: 12px;
        }

        /* Entry Matrix / Bento Grid */
        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-auto-rows: auto;
            gap: 20px;
        }

        .bento-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .bento-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #D0E0FF;
        }

        .bento-card--large {
            grid-row: span 2;
        }

        .bento-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
        }

        .bento-card--large img {
            height: 240px;
        }

        .bento-card h3 {
            font-size: 20px;
            color: var(--text-dark);
            margin-top: 4px;
        }

        .bento-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .bento-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }

        .bento-card .card-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        .bento-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        /* Milestone */
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .milestone-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-card);
        }

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

        .milestone-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .milestone-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .milestone-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* News / Content List */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }

        .news-list {
            list-style: none;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .news-list li {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .news-list li:last-child {
            border-bottom: none;
        }

        .news-list li:hover {
            background: var(--primary-soft);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-soft);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
            font-weight: 500;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--text-dark);
            font-weight: 600;
        }

        .news-content h3 a {
            color: var(--text-dark);
        }

        .news-content h3 a:hover {
            color: var(--primary);
        }

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

        .news-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-side-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 22px;
            box-shadow: var(--shadow-card);
        }

        .news-side-card h3 {
            font-size: 16px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .news-side-card ul {
            list-style: none;
        }

        .news-side-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-side-card ul li:last-child {
            border-bottom: none;
        }

        .news-side-card ul li::before {
            content: '›';
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
        }

        .news-side-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: var(--primary-soft);
        }

        /* Scene cards */
        .scene-track {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--primary-soft);
        }

        .scene-track::-webkit-scrollbar {
            height: 5px;
        }

        .scene-track::-webkit-scrollbar-track {
            background: var(--primary-soft);
            border-radius: 3px;
        }

        .scene-track::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 3px;
        }

        .scene-card {
            min-width: 300px;
            max-width: 360px;
            flex: 0 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-slow);
        }

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

        .scene-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--primary-soft);
        }

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

        .scene-card-body h3 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--text-dark);
        }

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

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .testimonial-quote {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            flex: 1;
            font-style: italic;
            position: relative;
            padding-left: 16px;
        }

        .testimonial-quote::before {
            content: '“';
            font-size: 32px;
            color: var(--primary);
            position: absolute;
            left: -4px;
            top: -8px;
            font-weight: 700;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-author-info h4 {
            font-size: 14px;
            color: var(--text-dark);
            font-weight: 600;
        }

        .testimonial-author-info p {
            font-size: 12px;
            color: var(--text-soft);
        }

        /* Partner tags */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .partner-tag {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .partner-tag:hover {
            border-color: #D0E0FF;
            background: var(--primary-soft);
        }

        .partner-tag h3 {
            font-size: 16px;
            color: var(--text-dark);
        }

        .partner-tag p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .partner-tag .tag-badge {
            display: inline-block;
            width: fit-content;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 12px;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
            transition: border-color var(--transition-base);
        }

        .faq-item.is-open {
            border-left: 3px solid var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 12px;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            background: none;
            border: none;
            transition: color var(--transition-base);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: transform var(--transition-base);
        }

        .faq-item.is-open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.is-open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            position: relative;
        }

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

        .pricing-card--featured {
            border: 2px solid var(--primary);
            box-shadow: 0 12px 36px rgba(28, 92, 255, 0.14);
            transform: translateY(-8px);
            background: #FCFDFF;
        }

        .pricing-card--featured:hover {
            transform: translateY(-10px);
            box-shadow: 0 16px 40px rgba(28, 92, 255, 0.20);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--gold);
            color: #3D3220;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.05em;
        }

        .pricing-card h3 {
            font-size: 18px;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .pricing-price {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }

        .pricing-price span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0;
        }

        .pricing-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .pricing-card ul li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .pricing-card ul li::before {
            content: '✓';
            color: #10B981;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .pricing-card .btn {
            margin-top: auto;
        }

        /* Brand intro */
        .brand-intro {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 32px;
            align-items: center;
        }

        .brand-intro .brand-mark {
            width: 80px;
            height: 80px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-intro h2 {
            font-size: 24px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Version updates */
        .changelog-list {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            max-width: 700px;
            margin: 0 auto;
        }

        .changelog-item {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .changelog-item:last-child {
            border-bottom: none;
        }

        .changelog-version {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 10px;
            white-space: nowrap;
            min-width: 62px;
            text-align: center;
            flex-shrink: 0;
        }

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

        /* Floating CTA bar */
        .floating-cta {
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-white);
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            box-shadow: 0 8px 28px rgba(15, 23, 42, 0.16);
            padding: 10px 16px;
            z-index: 90;
            display: flex;
            align-items: center;
            gap: 14px;
            max-width: 520px;
            width: calc(100% - 32px);
            transition: all var(--transition-base);
        }

        .floating-cta p {
            font-size: 13px;
            color: var(--text-body);
            flex: 1;
            line-height: 1.5;
        }

        .floating-cta .btn {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col ul li a:hover {
            color: #A5C1FF;
        }

        .footer-contact p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 2;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: #A5C1FF;
        }

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

        /* Responsive */
        @media (max-width: 1280px) {
            .hero .container {
                grid-template-columns: 1fr 400px;
                gap: 36px;
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card--featured {
                transform: translateY(0);
            }
            .pricing-card--featured:hover {
                transform: translateY(-3px);
            }
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 72px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                min-height: auto;
            }
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .bento-card--large {
                grid-column: span 2;
                grid-row: auto;
            }
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 28px 24px;
            }
            .brand-intro .brand-mark {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 24px;
            }
            .nav-links {
                display: none;
            }
            .nav-ctas {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav .nav-links {
                display: flex;
            }
            .mobile-nav .nav-ctas {
                display: flex;
            }
            .hero {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-ctas {
                flex-direction: column;
            }
            .hero-ctas .btn {
                width: 100%;
            }
            .hero-invite-card {
                padding: 20px;
            }
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-card--large {
                grid-column: auto;
            }
            .milestone-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .news-list li {
                flex-direction: column;
                gap: 6px;
                padding: 16px 18px;
            }
            .news-date {
                min-width: auto;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 24px 18px;
            }
            .cta-banner {
                padding: 36px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .floating-cta {
                flex-direction: column;
                padding: 14px;
                gap: 10px;
            }
            .floating-cta p {
                text-align: center;
            }
            .floating-cta .btn {
                width: 100%;
            }
        }

        @media (max-width: 640px) {
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .hero-visual img {
                height: 180px;
            }
            .bento-card img,
            .bento-card--large img {
                height: 150px;
            }
            .scene-card {
                min-width: 260px;
            }
            .pricing-price {
                font-size: 26px;
            }
            .changelog-item {
                flex-direction: column;
                gap: 8px;
                padding: 14px 16px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #1C5CFF;
  --primary-hover: #1648D6;
  --primary-deep: #0F3CC9;
  --primary-light: #EAF1FF;
  --primary-soft: #F5F8FE;
  --bg-page: #F7FAFF;
  --bg-white: #FFFFFF;
  --text-dark: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-soft: #94A3B8;
  --border: #E6EDF7;
  --border-soft: #D9E2F0;
  --gold: #C9A961;
  --gold-light: #F8F4EB;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-sm: 6px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 24px rgba(15,23,42,0.06);
  --shadow-card-hover: 0 12px 32px rgba(15,23,42,0.10);
  --shadow-btn: 0 4px 12px rgba(28,92,255,0.22);
  --shadow-btn-hover: 0 6px 18px rgba(28,92,255,0.30);
  --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --container-max: 1200px;
  --header-height: 72px;
  --section-gap: 72px;
  --section-gap-mobile: 56px;
  --transition-base: 200ms ease;
  --transition-slow: 350ms ease;
  --outline-focus: 3px solid rgba(28,92,255,0.35);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base), border-color var(--transition-base);
}
a:hover {
  color: var(--primary-hover);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: var(--outline-focus);
  outline-offset: 2px;
  border-radius: var(--radius-btn);
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}
.section--tight {
  padding-top: 56px;
  padding-bottom: 56px;
}
.section--soft {
  background: var(--primary-soft);
}
.section--white {
  background: var(--bg-white);
}
.section-head {
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.75;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}
.nav-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}
.nav-logo:hover {
  color: var(--text-dark);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.nav-links li a {
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 2px;
  position: relative;
  transition: color var(--transition-base);
  white-space: nowrap;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}
.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 100%;
}
.nav-links li a:hover,
.nav-links li a.active {
  color: var(--primary);
}
.nav-ctas {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: var(--shadow-btn-hover);
  color: #fff;
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--primary-light);
  color: var(--primary);
  border-color: transparent;
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--text-body);
  border-color: var(--border-soft);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.btn-gold {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  box-shadow: 0 4px 12px rgba(201,169,97,0.28);
}
.btn-gold:hover {
  background: #b8913f;
  border-color: #b8913f;
  color: #fff;
  box-shadow: 0 6px 18px rgba(201,169,97,0.36);
  transform: translateY(-1px);
}
.btn-lg {
  padding: 13px 30px;
  font-size: 16px;
}
.btn-block {
  width: 100%;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-white);
  transition: border-color var(--transition-base);
}
.menu-toggle:hover {
  border-color: var(--primary);
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hero-subpage {
  position: relative;
  background: linear-gradient(180deg, #F5F8FE 0%, #EAF1FF 100%);
  padding: 64px 0 56px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero-subpage::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -100px;
  width: 380px;
  height: 380px;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius: 50%;
  opacity: 0.2;
  pointer-events: none;
}
.hero-subpage .container {
  position: relative;
  z-index: 1;
}
.hero-subpage-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 16px;
}
.hero-subpage h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.hero-subpage p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.75;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--text-soft);
}
.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}
.booking-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
}
.filter-panel {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
  box-shadow: var(--shadow-card);
}
.filter-panel h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-panel h3::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}
.filter-group {
  margin-bottom: 18px;
}
.filter-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 8px;
}
.filter-group select,
.filter-group input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-btn);
  font-size: 14px;
  color: var(--text-body);
  background: var(--bg-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(28,92,255,0.15);
}
.filter-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.booking-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.booking-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px 1fr;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}
.booking-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: var(--border-soft);
}
.booking-card-img {
  position: relative;
  min-height: 180px;
  background: var(--primary-soft);
  overflow: hidden;
}
.booking-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.booking-card:hover .booking-card-img img {
  transform: scale(1.04);
}
.booking-card-img .tag {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  backdrop-filter: blur(4px);
  white-space: nowrap;
}
.booking-card-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.booking-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.35;
}
.booking-card-body 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;
}
.booking-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.booking-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.booking-meta .dot {
  width: 4px;
  height: 4px;
  background: var(--text-soft);
  border-radius: 50%;
  margin: 0 2px;
}
.booking-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}
.booking-price {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
}
.booking-price small {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-soft);
}
.booking-card .btn {
  min-height: 40px;
  padding: 8px 18px;
  font-size: 14px;
}
.booking-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--gold);
  font-weight: 600;
  background: var(--gold-light);
  padding: 2px 10px;
  border-radius: 20px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.step-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  text-align: left;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
}
.step-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  border-radius: 50%;
  margin-bottom: 12px;
}
.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.type-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}
.type-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.type-card .type-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 22px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.type-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.type-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.type-card .type-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.type-card .type-link:hover {
  color: var(--primary-hover);
  gap: 8px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(15,23,42,0.03);
}
.faq-item.active {
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  transition: color var(--transition-base);
  min-height: 44px;
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 18px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 18px 18px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}
.cta-banner {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.cta-banner h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.cta-banner p {
  font-size: 15px;
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  line-height: 1.7;
}
.cta-banner .btn {
  font-size: 15px;
  padding: 12px 26px;
  min-height: 46px;
}
.cta-banner .btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.cta-banner .btn-white:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: var(--primary-deep);
}
.cta-banner .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.cta-banner .btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
.cta-banner .cta-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.site-footer {
  background: #0F172A;
  color: #fff;
  padding: 56px 0 0;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer .footer-brand h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.site-footer .footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.68);
  line-height: 1.75;
  max-width: 300px;
}
.site-footer .footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.site-footer .footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.site-footer .footer-col ul li a {
  color: rgba(255,255,255,0.68);
  font-size: 14px;
  transition: color var(--transition-base);
}
.site-footer .footer-col ul li a:hover {
  color: #8fb5ff;
}
.site-footer .footer-contact p {
  font-size: 13px;
  color: rgba(255,255,255,0.68);
  line-height: 1.9;
}
.site-footer .footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.site-footer .footer-bottom .footer-links {
  display: flex;
  gap: 16px;
}
.site-footer .footer-bottom .footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}
.site-footer .footer-bottom .footer-links a:hover {
  color: #8fb5ff;
}
@media (max-width: 1024px) {
  .nav-links {
    gap: 16px;
  }
  .nav-links li a {
    font-size: 14px;
  }
  .booking-shell {
    grid-template-columns: 1fr;
  }
  .filter-panel {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .filter-actions {
    flex-direction: row;
    align-items: center;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-gap: 56px;
  }
  .site-header {
    height: var(--header-height);
  }
  .menu-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(15,23,42,0.08);
    z-index: 99;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li a::after {
    display: none;
  }
  .nav-links li:last-child a {
    border-bottom: none;
  }
  .nav-ctas {
    gap: 8px;
  }
  .nav-ctas .btn {
    padding: 8px 14px;
    font-size: 13px;
    min-height: 38px;
  }
  .hero-subpage {
    padding: 44px 0 40px;
  }
  .hero-subpage h1 {
    font-size: 30px;
  }
  .hero-subpage p {
    font-size: 15px;
  }
  .booking-card {
    grid-template-columns: 1fr;
  }
  .booking-card-img {
    min-height: 180px;
  }
  .filter-panel {
    grid-template-columns: 1fr;
    padding: 18px 16px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .type-grid {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    padding: 32px 24px;
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }
  .cta-banner h2 {
    font-size: 22px;
  }
  .site-footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .site-footer .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .section-head h2 {
    font-size: 24px;
  }
}
@media (max-width: 640px) {
  .nav-logo {
    font-size: 20px;
  }
  .nav-logo .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .hero-subpage h1 {
    font-size: 26px;
  }
  .booking-card-body {
    padding: 16px;
  }
  .booking-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 18px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            min-height: 44px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn--primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn--primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .btn--outline {
            background: var(--bg-white);
            color: var(--primary);
            border: 1px solid var(--border-soft);
            font-weight: 600;
        }

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

        .btn--ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

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

        .btn--gold {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 4px 12px rgba(201, 169, 97, 0.28);
        }

        .btn--gold:hover {
            background: #b89550;
            color: #fff;
            box-shadow: 0 6px 18px rgba(201, 169, 97, 0.36);
            transform: translateY(-2px);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 14px;
            min-height: 38px;
        }

        .btn--lg {
            padding: 14px 28px;
            font-size: 16px;
            min-height: 50px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            background: var(--bg-white);
            border: 1px solid var(--border);
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Hero */
        .page-hero {
            padding: 72px 0 56px;
            background: var(--primary-soft);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.6);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 18px;
        }

        .page-hero .hero-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-body);
        }

        .badge--primary {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .badge--gold {
            background: var(--gold-light);
            border-color: var(--gold);
            color: #8a6d31;
        }

        /* Filter & Content Layout */
        .filter-content-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            align-items: start;
        }

        .filter-panel {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            position: sticky;
            top: calc(var(--header-height) + 24px);
        }

        .filter-panel h2 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group:last-child {
            margin-bottom: 0;
        }

        .filter-group h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .filter-options label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
            cursor: pointer;
            padding: 4px 0;
            transition: color var(--transition-base);
            min-height: 36px;
        }

        .filter-options label:hover {
            color: var(--primary);
            font-weight: 500;
        }

        .filter-options input[type="radio"],
        .filter-options input[type="checkbox"] {
            accent-color: var(--primary);
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .filter-reset {
            width: 100%;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--text-muted);
            background: var(--primary-soft);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            min-height: 36px;
        }

        .filter-reset:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .benefits-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .benefit-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 24px;
            min-height: 200px;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .benefit-card__image {
            position: relative;
            min-height: 200px;
            overflow: hidden;
            background: var(--primary-soft);
        }

        .benefit-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .benefit-card__image .fallback-text {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
        }

        .benefit-card__body {
            padding: 24px 24px 24px 8px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .benefit-card__tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .benefit-card__tag--gold {
            color: #8a6d31;
            background: var(--gold-light);
        }

        .benefit-card__body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .benefit-card__body p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .benefit-card__meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .benefit-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Tier Overview */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .tier-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            position: relative;
        }

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

        .tier-card--featured {
            border-color: var(--primary);
            box-shadow: 0 8px 28px rgba(28, 92, 255, 0.14);
        }

        .tier-card--featured .tier-card__badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .tier-card__badge--hidden {
            display: none;
        }

        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .tier-card .tier-card__en {
            font-size: 13px;
            color: var(--text-soft);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .tier-card ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
        }

        .tier-card ul li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .tier-card ul li::before {
            content: '✓';
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .tier-card--featured ul li::before {
            color: var(--gold);
        }

        /* Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .process-step {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
        }

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

        .process-step__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 14px;
        }

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

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 32px;
            max-width: 860px;
        }

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

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

        .faq-item.open {
            border-left: 3px solid var(--primary);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            min-height: 52px;
            transition: color var(--transition-base);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner__content {
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .cta-banner__content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-banner__content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
        }

        .cta-banner__actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #fff;
            padding: 64px 0 28px;
            margin-top: var(--section-gap);
        }

        .site-footer .container {
            display: flex;
            flex-direction: column;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .filter-content-layout {
                grid-template-columns: 1fr;
            }

            .filter-panel {
                position: static;
                display: flex;
                flex-wrap: wrap;
                gap: 20px;
            }

            .filter-panel h2 {
                width: 100%;
                margin-bottom: 0;
            }

            .filter-group {
                flex: 1;
                min-width: 150px;
                margin-bottom: 0;
            }

            .benefit-card {
                grid-template-columns: 200px 1fr;
            }

            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

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

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: nowrap;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 28px rgba(15, 23, 42, 0.10);
                z-index: 99;
            }

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

            .nav-links li a {
                font-size: 16px;
                padding: 8px 0;
                width: 100%;
            }

            .nav-ctas {
                gap: 8px;
            }

            .nav-ctas .btn {
                padding: 8px 14px;
                font-size: 13px;
                min-height: 38px;
            }

            .hamburger {
                display: flex;
            }

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

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

            .filter-panel {
                flex-direction: column;
                gap: 16px;
            }

            .benefit-card {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .benefit-card__image {
                min-height: 180px;
                max-height: 220px;
            }

            .benefit-card__body {
                padding: 20px;
            }

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

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

            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
                gap: 20px;
            }

            .cta-banner__actions {
                width: 100%;
            }

            .cta-banner__actions .btn {
                flex: 1;
            }

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

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

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 26px;
            }

            .btn--lg {
                padding: 12px 20px;
                font-size: 15px;
                min-height: 46px;
            }

            .benefit-card__body h3 {
                font-size: 18px;
            }

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

            .process-step {
                padding: 20px 16px;
            }

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

/* roulang page: category3 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }
        a:hover {
            color: var(--primary-hover);
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section--tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .section--soft {
            background: var(--primary-soft);
        }
        .section--white {
            background: var(--bg-white);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }
        .nav-logo:hover {
            color: var(--text-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links li a {
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }
        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--primary);
        }
        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition-base);
            min-height: 44px;
            white-space: nowrap;
        }
        .btn--outline {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            color: var(--text-body);
        }
        .btn--outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn--primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn--primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn--ghost-white {
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .btn--ghost-white:hover {
            background: rgba(255, 255, 255, 0.28);
            color: #fff;
        }
        .btn--white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }
        .btn--white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            color: var(--primary-deep);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .hamburger:hover {
            background: var(--primary-light);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Category Hero */
        .cat-hero {
            background: linear-gradient(135deg, #F0F5FF 0%, #EAF1FF 50%, #F8F4EB 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            background: rgba(28, 92, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cat-hero__text {
            flex: 1 1 560px;
            max-width: 640px;
        }
        .cat-hero__text .badge {
            display: inline-block;
            background: var(--gold-light);
            color: #8A6D2F;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(201, 169, 97, 0.35);
        }
        .cat-hero__text h1 {
            font-size: 40px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }
        .cat-hero__text p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 24px;
        }
        .cat-hero__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cat-hero__visual {
            flex: 1 1 320px;
            max-width: 420px;
        }
        .cat-hero__visual img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #DCE6F5;
        }

        /* Category filter layout */
        .cat-main {
            padding-top: 48px;
            padding-bottom: 80px;
        }
        .cat-layout {
            display: flex;
            gap: 32px;
            align-items: flex-start;
        }
        .cat-sidebar {
            flex: 0 0 280px;
            position: sticky;
            top: calc(var(--header-height) + 24px);
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            max-height: calc(100vh - var(--header-height) - 48px);
            overflow-y: auto;
        }
        .cat-sidebar h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }
        .filter-group {
            margin-bottom: 20px;
        }
        .filter-group h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .filter-options label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
            cursor: pointer;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base), color var(--transition-base);
        }
        .filter-options label:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .filter-options input[type="radio"],
        .filter-options input[type="checkbox"] {
            accent-color: var(--primary);
            width: 16px;
            height: 16px;
            cursor: pointer;
        }
        .cat-list {
            flex: 1 1 auto;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .service-card {
            display: flex;
            gap: 24px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .service-card__img {
            flex: 0 0 220px;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 16/11;
            background: #DCE6F5;
        }
        .service-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-card__img img {
            transform: scale(1.04);
        }
        .service-card__body {
            flex: 1 1 auto;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card__body .tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag--gold {
            background: var(--gold-light);
            color: #8A6D2F;
        }
        .service-card__body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .service-card__body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .service-card__meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-soft);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .service-card__meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Feature section */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .feature-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .step-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            position: relative;
            transition: box-shadow var(--transition-base);
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .step-card__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 32px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-soft);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            list-style: none;
            min-height: 48px;
            transition: color var(--transition-base);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-soft);
            transition: transform var(--transition-base);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-left: 3px solid var(--primary);
            margin-left: 12px;
        }

        /* CTA banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: 0 16px 40px rgba(28, 92, 255, 0.25);
            flex-wrap: wrap;
        }
        .cta-banner__text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner__text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.86);
        }
        .cta-banner__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #E2E8F0;
            padding-top: 64px;
            padding-bottom: 24px;
            margin-top: 48px;
        }
        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-base);
        }
        .footer-col ul a:hover {
            color: #BFDBFE;
        }
        .footer-contact p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.9;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #64748B;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom a {
            font-size: 13px;
            color: #64748B;
        }
        .footer-bottom a:hover {
            color: #BFDBFE;
        }

        /* Section titles */
        .section-title {
            text-align: left;
            margin-bottom: 32px;
        }
        .section-title h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .section-title p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 560px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-layout {
                flex-direction: column;
            }
            .cat-sidebar {
                position: static;
                flex: 1 1 auto;
                max-height: none;
                width: 100%;
                display: flex;
                flex-wrap: wrap;
                gap: 16px;
            }
            .cat-sidebar .filter-group {
                flex: 1 1 200px;
            }
            .service-card {
                flex-direction: column;
            }
            .service-card__img {
                flex: 0 0 auto;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 0;
                width: 100%;
                font-size: 16px;
            }
            .nav-ctas {
                gap: 8px;
            }
            .nav-ctas .btn {
                padding: 9px 14px;
                font-size: 13px;
            }
            .hamburger {
                display: flex;
            }
            .cat-hero {
                padding: 48px 0 40px;
            }
            .cat-hero__text h1 {
                font-size: 30px;
            }
            .cat-hero__visual {
                max-width: 100%;
            }
            .feature-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .cta-banner__text h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 480px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .cat-hero__text h1 {
                font-size: 26px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 14px;
                min-height: 42px;
            }
            .cta-banner__actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner__actions .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

        .section--primary-light {
            background: var(--primary-light);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .badge--gold {
            background: var(--gold-light);
            color: #8A6D2F;
        }

        .badge--white {
            background: rgba(255, 255, 255, 0.7);
            color: var(--primary);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition-base);
            white-space: nowrap;
            min-height: 44px;
            cursor: pointer;
            border: 1px solid transparent;
        }

        .btn--primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn--primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn--primary:active {
            background: var(--primary-deep);
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn--outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-soft);
        }

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

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

        .btn--white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
        }

        .btn--white:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(15, 23, 42, 0.16);
            color: var(--primary-deep);
        }

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

        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        .btn--gold {
            background: transparent;
            color: var(--gold);
            border-color: var(--gold);
        }

        .btn--gold:hover {
            background: rgba(201, 169, 97, 0.1);
            border-color: #B89555;
            transform: translateY(-2px);
            color: #A88949;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 22px;
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(10px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-10px) rotate(-45deg);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: rgba(255, 255, 255, 0.98);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
        }

        .nav-overlay.is-open {
            display: block;
        }

        .nav-overlay .nav-links {
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
            justify-content: flex-start;
            width: 100%;
        }

        .nav-overlay .nav-links li a {
            font-size: 18px;
            padding: 8px 0;
            display: block;
        }

        .nav-overlay .nav-ctas {
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
            width: 100%;
        }

        .nav-overlay .nav-ctas .btn {
            width: 100%;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            padding: 72px 0 56px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(247, 250, 255, 0.94) 0%, rgba(247, 250, 255, 0.85) 55%, rgba(247, 250, 255, 0.96) 100%);
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .page-hero .breadcrumb a {
            color: var(--text-muted);
        }

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

        .page-hero .breadcrumb .sep {
            color: var(--text-soft);
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: var(--text-body);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-soft);
            flex-shrink: 0;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 4px 0;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-right: 4px;
        }

        .filter-chip {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg-white);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-base);
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-btn);
        }

        /* Scene grid */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .scene-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }

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

        .scene-card__image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
            flex-shrink: 0;
        }

        .scene-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .scene-card__image .img-fallback {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 28px;
            font-weight: 700;
            background: var(--primary-light);
            z-index: 0;
        }

        .scene-card__body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .scene-card__type {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 12px;
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        .scene-card__title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .scene-card__desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .scene-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .scene-card__footer .capacity {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .scene-card__link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            transition: color var(--transition-base);
        }

        .scene-card__link:hover {
            color: var(--primary-hover);
        }

        .scene-card--large {
            grid-column: span 3;
        }

        .scene-card--medium {
            grid-column: span 2;
        }

        .scene-card--small {
            grid-column: span 2;
        }

        .scene-card--wide {
            grid-column: span 6;
            flex-direction: row;
        }

        .scene-card--wide .scene-card__image {
            width: 40%;
            aspect-ratio: auto;
            min-height: 240px;
        }

        .scene-card--wide .scene-card__body {
            width: 60%;
        }

        /* Scene advantages */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .adv-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition-base);
        }

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

        .adv-item .adv-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-size: 20px;
            margin-bottom: 14px;
        }

        .adv-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.3;
        }

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

        /* Scene flow */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .flow-step {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            position: relative;
            transition: all var(--transition-base);
        }

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

        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.3;
        }

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

        /* Section headers */
        .section-head {
            max-width: 680px;
            margin-bottom: 36px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

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

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            min-height: 48px;
            background: none;
            border: none;
            transition: color var(--transition-base);
        }

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

        .faq-item__question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            transition: transform var(--transition-base);
            line-height: 1;
        }

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

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.active .faq-item__answer {
            max-height: 500px;
            padding: 0 22px 22px;
        }

        .faq-item__answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: 0 16px 40px rgba(28, 92, 255, 0.25);
        }

        .cta-banner__text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-banner__text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
        }

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

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: var(--container-max);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #EAF1FF;
        }

        .footer-contact p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #64748B;
        }

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

        .footer-bottom .footer-links a {
            color: #94A3B8;
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-bottom .footer-links a:hover {
            color: #EAF1FF;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links li a {
                font-size: 14px;
            }
            .scene-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
            .scene-card--large {
                grid-column: span 4;
            }
            .scene-card--medium {
                grid-column: span 2;
            }
            .scene-card--small {
                grid-column: span 2;
            }
            .scene-card--wide {
                grid-column: span 4;
            }
            .adv-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-contact {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }
            .nav-links {
                display: none;
            }
            .nav-ctas {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scene-card--large,
            .scene-card--medium,
            .scene-card--small,
            .scene-card--wide {
                grid-column: span 1;
            }
            .scene-card--wide {
                flex-direction: column;
            }
            .scene-card--wide .scene-card__image {
                width: 100%;
                aspect-ratio: 16 / 10;
                min-height: auto;
            }
            .scene-card--wide .scene-card__body {
                width: 100%;
            }
            .adv-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                flex-direction: column;
                text-align: left;
                padding: 32px 24px;
            }
            .cta-banner__actions {
                width: 100%;
            }
            .cta-banner__actions .btn {
                flex: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-contact {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 8px 14px;
                font-size: 13px;
                min-height: 40px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .scene-card__body {
                padding: 18px 18px 20px;
            }
            .scene-card__title {
                font-size: 18px;
            }
            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
            }
            .filter-chip {
                flex-shrink: 0;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition-base);
            white-space: nowrap;
            min-height: 44px;
        }

        .btn-secondary {
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(28, 92, 255, 0.18);
        }

        .btn-secondary:hover {
            background: #DCE8FF;
            color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-hover);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border: 1px solid #fff;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.10);
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            min-height: 44px;
            min-width: 44px;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 24px 24px 40px;
            overflow-y: auto;
            flex-direction: column;
        }

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

        .mobile-menu .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
        }

        .mobile-menu .nav-links li {
            width: 100%;
        }

        .mobile-menu .nav-links li a {
            display: block;
            padding: 12px 4px;
            font-size: 17px;
            font-weight: 500;
            border-bottom: 1px solid var(--border);
            width: 100%;
        }

        .mobile-menu .nav-ctas {
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
            width: 100%;
        }

        .mobile-menu .nav-ctas .btn {
            width: 100%;
        }

        .page-hero {
            background: linear-gradient(135deg, #F5F8FE 0%, #EAF1FF 100%);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

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

        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 12px 16px;
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-btn {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            background: var(--primary-soft);
            border: 1px solid transparent;
            transition: all var(--transition-base);
            min-height: 36px;
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

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

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .card-main {
            grid-column: span 7;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .card-main .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #EAF1FF;
        }

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

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

        .card-main .card-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-main .card-tag {
            display: inline-block;
            align-self: flex-start;
            background: var(--gold-light);
            color: #8F6F2C;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .card-main h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .card-main p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-main .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .card-main .card-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        .card-side {
            grid-column: span 5;
            display: grid;
            grid-template-columns: 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .card-small {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }

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

        .card-small .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            flex-shrink: 0;
        }

        .card-small h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .card-small p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 10px;
        }

        .card-small .card-meta {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card-row {
            grid-column: span 12;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card-row .card-small {
            flex-direction: row;
            align-items: flex-start;
            gap: 16px;
            padding: 22px 24px;
        }

        .card-row .card-small .card-icon {
            margin-bottom: 0;
            flex-shrink: 0;
        }

        .card-row .card-small .card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-row .card-small h3 {
            font-size: 16px;
        }

        .card-row .card-small p {
            font-size: 13px;
            margin-bottom: 4px;
        }

        .section-title-area {
            margin-bottom: 36px;
        }

        .section-title-area .section-eyebrow {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title-area h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-title-area p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.75;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item.open {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: transparent;
            border: none;
            text-align: left;
            cursor: pointer;
            gap: 12px;
            min-height: 54px;
            transition: color var(--transition-base);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: transform var(--transition-base);
        }

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

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

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

        .faq-answer p {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin-left: 20px;
            padding-left: 16px;
        }

        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-banner .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .cta-banner .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 0;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .footer-contact .contact-info {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.9;
            margin-top: 4px;
        }

        .footer-contact .contact-info a {
            color: #94A3B8;
            transition: color var(--transition-base);
        }

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

        .site-footer {
            background: #0F172A;
            color: #E2E8F0;
            padding: 56px 0 32px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-base);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 12px;
            color: #64748B;
        }

        .site-footer .footer-bottom span {
            white-space: nowrap;
        }

        .site-footer .footer-links {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .site-footer .footer-links a {
            font-size: 12px;
            color: #94A3B8;
        }

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

        .feature-horizontal {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .feature-horizontal .feature-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #EAF1FF;
            box-shadow: var(--shadow-card);
        }

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

        .feature-horizontal .feature-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .feature-horizontal .feature-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        @media (max-width: 1024px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }

            .nav-links {
                gap: 16px;
            }

            .nav-links li a {
                font-size: 13px;
            }

            .btn {
                padding: 9px 14px;
                font-size: 13px;
            }

            .card-main {
                grid-column: span 12;
            }

            .card-side {
                grid-column: span 12;
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }

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

            .card-row .card-small:nth-child(3) {
                grid-column: span 2;
            }

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

            .feature-horizontal .feature-img {
                order: -1;
            }

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

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-gap: 48px;
                --section-gap-mobile: 40px;
            }

            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-ctas {
                display: none;
            }

            .mobile-menu .nav-links {
                display: flex;
            }

            .mobile-menu .nav-ctas {
                display: flex;
            }

            .page-hero {
                padding: 40px 0 36px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .hero-stat .stat-num {
                font-size: 22px;
            }

            .section-title-area h2 {
                font-size: 24px;
            }

            .filter-bar {
                gap: 4px;
                padding: 10px 12px;
            }

            .filter-btn {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }

            .card-side {
                grid-template-columns: 1fr;
            }

            .card-row {
                grid-template-columns: 1fr;
            }

            .card-row .card-small:nth-child(3) {
                grid-column: span 1;
            }

            .card-main .card-body {
                padding: 18px 20px 22px;
            }

            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-banner .cta-actions {
                width: 100%;
            }

            .cta-banner .cta-actions .btn {
                width: 100%;
            }

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

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

        @media (max-width: 480px) {
            .nav-logo {
                font-size: 20px;
            }

            .nav-logo .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-desc {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-stats {
                gap: 20px;
            }

            .card-main h2 {
                font-size: 19px;
            }

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

            .card-row .card-small .card-icon {
                margin-bottom: 0;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 80px;
            --section-gap-mobile: 56px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 15px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 44px;
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-btn-hover);
            color: #fff;
        }

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

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

        .btn-gold {
            background: var(--gold);
            color: #fff;
            box-shadow: 0 4px 12px rgba(201, 169, 97, 0.25);
        }

        .btn-gold:hover {
            background: #B8964F;
            color: #fff;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
        }

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

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            min-height: 50px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }

        .hamburger:hover {
            background: var(--primary-soft);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color var(--transition-base);
        }

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

        .breadcrumb .sep {
            color: var(--text-soft);
            font-size: 13px;
        }

        .breadcrumb .current {
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 600;
        }

        /* Short Hero */
        .page-hero {
            background: var(--primary-soft);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .hero-meta-item .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        /* Filter Bar */
        .filter-bar {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: -28px;
            position: relative;
            z-index: 10;
        }

        .filter-tabs {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-tab {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--primary-soft);
            border: 1px solid transparent;
            transition: all var(--transition-base);
            min-height: 36px;
            white-space: nowrap;
        }

        .filter-tab:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(28, 92, 255, 0.2);
        }

        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            min-height: 44px;
            flex: 1;
            min-width: 220px;
            max-width: 320px;
        }

        .filter-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-body);
            width: 100%;
            padding: 8px 0;
        }

        .filter-search input::placeholder {
            color: var(--text-soft);
        }

        .filter-search .search-icon {
            color: var(--text-muted);
            font-size: 15px;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            gap: 0;
            transition: all var(--transition-base);
            position: relative;
        }

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

        .news-card-image {
            flex-shrink: 0;
            width: 260px;
            min-height: 100%;
            background: var(--primary-soft);
            position: relative;
            overflow: hidden;
        }

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

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

        .news-category-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        .news-card-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }

        .news-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 2px;
        }

        .news-card-title a {
            color: var(--text-dark);
            transition: color var(--transition-base);
        }

        .news-card-title a:hover {
            color: var(--primary);
        }

        .news-card-summary {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 13px;
            color: var(--text-soft);
        }

        .news-card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card-meta .meta-item strong {
            color: var(--text-body);
            font-weight: 600;
        }

        .news-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
        }

        .news-card-link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
        }

        .pagination .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-btn);
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--border-soft);
            box-shadow: var(--shadow-card);
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            transition: color var(--transition-base);
            min-height: 52px;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 240px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            line-height: 1.7;
        }

        .cta-banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding-top: 64px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            color: #94A3B8;
            font-size: 14px;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-contact p {
            font-size: 14px;
            line-height: 2;
            color: #94A3B8;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 13px;
            color: #64748B;
        }

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

        .footer-bottom .footer-links a {
            color: #64748B;
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-bottom .footer-links a:hover {
            color: #CBD5E1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }

            .nav-links li a {
                font-size: 14px;
            }

            .news-card-image {
                width: 220px;
            }

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

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
                align-items: stretch;
            }

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

            .nav-links li a {
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--border-soft);
            }

            .nav-links li a::after {
                display: none;
            }

            .nav-ctas {
                gap: 8px;
            }

            .nav-ctas .btn {
                padding: 9px 16px;
                font-size: 14px;
                min-height: 40px;
            }

            .nav-ctas .btn-outline {
                display: none;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .filter-bar {
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                margin-top: -20px;
            }

            .filter-search {
                max-width: none;
            }

            .news-card {
                flex-direction: column;
            }

            .news-card-image {
                width: 100%;
                height: 200px;
                min-height: auto;
            }

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

            .news-card-title {
                font-size: 17px;
            }

            .cta-banner {
                padding: 40px 28px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-banner .container {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-logo {
                font-size: 20px;
            }

            .nav-logo .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .nav-ctas .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
                min-height: 36px;
            }

            .page-hero {
                padding: 40px 0 36px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .filter-tabs {
                gap: 6px;
            }

            .filter-tab {
                padding: 6px 12px;
                font-size: 13px;
                min-height: 32px;
            }

            .news-card-summary {
                font-size: 13.5px;
            }

            .faq-question {
                font-size: 14.5px;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .cta-banner {
                padding: 32px 20px;
            }

            .cta-banner h2 {
                font-size: 21px;
            }

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

            .cta-banner-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1C5CFF;
            --primary-hover: #1648D6;
            --primary-deep: #0F3CC9;
            --primary-light: #EAF1FF;
            --primary-soft: #F5F8FE;
            --bg-page: #F7FAFF;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-soft: #94A3B8;
            --border: #E6EDF7;
            --border-soft: #D9E2F0;
            --gold: #C9A961;
            --gold-light: #F8F4EB;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 6px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(15, 23, 42, 0.10);
            --shadow-btn: 0 4px 12px rgba(28, 92, 255, 0.22);
            --shadow-btn-hover: 0 6px 18px rgba(28, 92, 255, 0.30);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --section-gap: 80px;
            --section-gap-mobile: 52px;
            --transition-base: 200ms ease;
            --transition-slow: 350ms ease;
            --outline-focus: 3px solid rgba(28, 92, 255, 0.35);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--outline-focus);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

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

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section--soft {
            background: var(--primary-soft);
        }

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .nav-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-base);
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: var(--shadow-btn);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.01em;
            min-height: 44px;
            white-space: nowrap;
            line-height: 1.4;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

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

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

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
            transform: translateY(-1px);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

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

        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(15, 23, 42, 0.15);
        }

        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(15, 23, 42, 0.20);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-base);
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

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

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: transform 250ms ease, opacity 250ms ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 99;
            padding: 28px 24px 40px;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transition: opacity 250ms ease, visibility 250ms ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu .mobile-nav-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu .mobile-nav-links li a {
            display: block;
            padding: 14px 12px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
        }

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

        .mobile-menu .mobile-ctas {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        /* Hero */
        .hero {
            position: relative;
            background: var(--primary-soft);
            padding-top: 72px;
            padding-bottom: 72px;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            max-width: 800px;
        }

        .hero p {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 28px;
        }

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

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

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

        .hero-stat strong {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            padding: 9px 18px;
            border-radius: 22px;
            background: var(--bg-white);
            color: var(--text-body);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            cursor: pointer;
            min-height: 40px;
            white-space: nowrap;
        }

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

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(28, 92, 255, 0.25);
        }

        .filter-count {
            font-size: 12px;
            background: rgba(255, 255, 255, 0.3);
            padding: 1px 8px;
            border-radius: 12px;
            font-weight: 600;
        }

        /* List layout */
        .plan-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .plan-item {
            display: flex;
            gap: 24px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            align-items: flex-start;
            cursor: default;
        }

        .plan-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--border-soft);
        }

        .plan-item-image {
            width: 200px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--primary-light);
            aspect-ratio: 4/3;
        }

        .plan-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .plan-item:hover .plan-item-image img {
            transform: scale(1.04);
        }

        .plan-item-body {
            flex: 1;
            min-width: 0;
        }

        .plan-item-header {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .plan-item-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0;
            letter-spacing: -0.005em;
        }

        .plan-item-badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            background: var(--gold-light);
            color: #8B6914;
            padding: 4px 12px;
            border-radius: 6px;
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .plan-item-badge--hot {
            background: var(--primary-light);
            color: var(--primary);
        }

        .plan-item-desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .plan-item-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .plan-item-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--primary-soft);
            padding: 4px 12px;
            border-radius: 6px;
        }

        .plan-item-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-base);
            padding: 6px 0;
            min-height: 36px;
        }

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

        /* FAQ */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-item.open {
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: all var(--transition-base);
            gap: 16px;
            min-height: 56px;
            line-height: 1.5;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 500;
            transition: transform var(--transition-base);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease, padding 350ms ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* CTA banner */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Section titles */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 28px;
        }

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

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

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

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: var(--container-max);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-base);
            padding: 4px 0;
            display: inline-block;
        }

        .footer-col ul li a:hover {
            color: #EAF1FF;
        }

        .footer-contact p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 2;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: #64748B;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

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

        .footer-links a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: #EAF1FF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 14px;
            }

            .nav-links li a {
                font-size: 13px;
            }

            .nav-ctas .btn-secondary {
                display: none;
            }

            .hero h1 {
                font-size: 34px;
            }

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

            .plan-item-image {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-gap: 56px;
            }

            .nav-links {
                display: none;
            }

            .nav-ctas {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .hero {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero p {
                font-size: 15px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat strong {
                font-size: 22px;
            }

            .plan-item {
                flex-direction: column;
                gap: 16px;
                padding: 16px;
            }

            .plan-item-image {
                width: 100%;
                aspect-ratio: 16/9;
            }

            .plan-item-title {
                font-size: 18px;
            }

            .filter-bar {
                gap: 8px;
            }

            .filter-btn {
                font-size: 13px;
                padding: 8px 14px;
                min-height: 38px;
            }

            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-content h2 {
                font-size: 24px;
            }

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

            .cta-actions .btn {
                width: 100%;
            }

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

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

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

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 24px;
            }

            .hero p {
                font-size: 14px;
            }

            .hero-tag {
                font-size: 12px;
            }

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

            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 14px;
                padding-left: 16px;
                padding-right: 16px;
            }
        }