/* roulang page: index */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: var(--font);
            color: var(--text);
            margin-top: 0;
        }
        h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
        }
        h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.45;
        }
        p {
            margin: 0 0 16px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* Header / Navigation */
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo span {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
        }

        /* Bottom Tab Navigation (Mobile) */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }
        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }
        .bottom-tab-nav .tab-item.active {
            color: var(--primary);
        }
        .bottom-tab-nav .tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
        }
        .bottom-tab-nav .tab-item {
            position: relative;
        }

        /* Hero */
        .hero {
            background: linear-gradient(180deg, #EAF3FA 0%, var(--bg) 100%);
            padding: 48px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: rgba(46, 134, 193, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .hero-title .highlight {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 420px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--accent-dark);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(242, 120, 75, 0.25);
        }
        .btn-secondary {
            background: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust .trust-item i {
            color: var(--primary);
            font-size: 14px;
        }

        .hero-visual {
            background: #FFFFFF;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            padding: 28px;
            border: 1px solid var(--border);
        }
        .progress-ring-wrap {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .progress-ring {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: conic-gradient(var(--accent) 0deg 252deg, var(--border) 252deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }
        .progress-ring::before {
            content: '';
            position: absolute;
            inset: 12px;
            background: #FFFFFF;
            border-radius: 50%;
        }
        .progress-ring .ring-value {
            position: relative;
            z-index: 1;
            font-weight: 800;
            font-size: 26px;
            color: var(--accent);
            text-align: center;
            line-height: 1;
        }
        .progress-ring .ring-value small {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }
        .progress-info h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .progress-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .tier-preview {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 14px;
        }
        .tier-item .tier-name {
            font-weight: 600;
            color: var(--text);
        }
        .tier-item .tier-amount {
            color: var(--accent);
            font-weight: 700;
        }

        /* Section Common */
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-muted);
            max-width: 560px;
            font-size: 15px;
            margin-bottom: 0;
        }

        /* Metrics Dashboard */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 22px;
            transition: all 0.25s ease;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .metric-card .metric-value {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Series Navigation */
        .series-nav-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 16px;
        }
        .series-nav-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 12px;
            text-align: center;
            transition: all 0.25s ease;
            box-shadow: var(--shadow);
        }
        .series-nav-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .series-nav-card .series-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .series-nav-card .series-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0;
        }
        .series-nav-card .series-count {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .service-card.featured {
            grid-column: span 2;
            flex-direction: row;
        }
        .service-card .card-image {
            background: var(--bg-alt);
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .service-card.featured .card-image {
            aspect-ratio: auto;
            width: 45%;
            min-height: 260px;
        }
        .service-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .service-card .card-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .service-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            flex: 1;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .service-card .card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Deep Content */
        .deep-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 36px;
        }
        .deep-content .article-meta {
            display: flex;
            gap: 16px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .deep-content .article-meta i {
            color: var(--primary);
        }
        .deep-content h2 {
            font-size: 26px;
            margin-bottom: 20px;
        }
        .deep-content h3 {
            font-size: 19px;
            margin-top: 28px;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }
        .deep-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
            margin-bottom: 16px;
        }
        .deep-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
        }
        .deep-content .article-image {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: 24px 0;
        }
        .deep-content .article-image img {
            width: 100%;
            height: auto;
        }

        /* Brand Introduction */
        .brand-intro {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro .brand-image {
            background: var(--bg-alt);
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 240px;
        }
        .brand-intro .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro .brand-highlights {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .brand-highlight-item {
            text-align: center;
            min-width: 80px;
        }
        .brand-highlight-item .bh-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
        }
        .brand-highlight-item .bh-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* News Center */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            align-items: start;
            transition: background 0.2s ease;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item .news-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            padding-top: 2px;
        }
        .news-item .news-content h3 {
            font-size: 16px;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-item .news-content h3 a {
            color: var(--text);
        }
        .news-item .news-content h3 a:hover {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .news-item .btn-read {
            font-size: 13px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--primary);
            background: #FFFFFF;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .news-item .btn-read:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: all 0.25s ease;
        }
        .comparison-card.recommended {
            border: 2px solid var(--accent);
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.15);
            position: relative;
        }
        .comparison-card.recommended::before {
            content: '推荐方案';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .comparison-card .comp-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .comparison-card .comp-header .comp-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .comparison-card h3 {
            margin-bottom: 0;
            font-size: 19px;
        }
        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-card ul li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--border);
        }
        .comparison-card ul li:last-child {
            border-bottom: none;
        }
        .comparison-card ul li i {
            color: var(--primary);
            font-size: 14px;
            margin-top: 3px;
        }
        .comparison-card ul li .cross {
            color: var(--text-muted);
            opacity: 0.6;
        }

        /* Horizontal Track (片库轨道) */
        .track-section {
            background: var(--bg-alt);
        }
        .track-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 12px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        .track-card {
            flex: 0 0 200px;
            scroll-snap-align: start;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.25s ease;
            position: relative;
        }
        .track-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .track-card .track-cover {
            background: var(--bg-alt);
            aspect-ratio: 3/4;
            overflow: hidden;
        }
        .track-card .track-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .track-card .track-info {
            padding: 14px 14px;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }
        .track-card .track-info h4 {
            font-size: 14px;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .track-card .track-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .track-card .track-info .track-cta {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            cursor: pointer;
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #FFFFFF;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.2s ease;
        }
        .faq-item .faq-question:hover {
            background: var(--primary-soft);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
            background: #FFFFFF;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* Security System */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .security-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 22px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .security-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .security-card .shield-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .security-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .security-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Activity Wall */
        .activity-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .activity-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.25s ease;
        }
        .activity-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .activity-item .activity-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .activity-item h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .activity-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .activity-item .btn-mini {
            font-size: 12px;
            padding: 6px 12px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-block;
            transition: all 0.2s ease;
        }
        .activity-item .btn-mini:hover {
            background: var(--primary);
            color: #fff;
        }

        /* Limited Time Entry */
        .limited-entry {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .limited-entry::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
        }
        .limited-entry .countdown {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 16px;
        }
        .limited-entry .countdown .cd-unit {
            background: var(--bg);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 52px;
        }
        .limited-entry .countdown .cd-unit .cd-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .limited-entry .countdown .cd-unit .cd-label {
            font-size: 11px;
            color: var(--text-muted);
        }
        .limited-entry h2 {
            margin-bottom: 10px;
        }
        .limited-entry p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        /* Conversion Form */
        .form-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
        }
        .form-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 32px 28px;
        }
        .form-card form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-card label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            display: block;
        }
        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font);
            background: #FFFFFF;
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.12);
            outline: none;
        }
        .form-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-card .form-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }
        .form-card .form-submit:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.4);
            transform: translateY(-1px);
        }
        .form-side {
            background: var(--primary-soft);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .form-side h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }
        .form-side .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text);
        }
        .form-side .contact-item i {
            color: var(--primary);
            font-size: 18px;
            width: 24px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: #1A2B3D;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .site-footer p {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-col h4 {
            color: #FFFFFF;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 12px;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 20px;
            z-index: 50;
            background: var(--primary);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-md);
            transition: all 0.3s ease;
            opacity: 0;
            pointer-events: none;
            cursor: pointer;
            border: none;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 32px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .series-nav-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.featured {
                grid-column: span 2;
                flex-direction: column;
            }
            .service-card.featured .card-image {
                width: 100%;
                aspect-ratio: 16/10;
                min-height: auto;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-item {
                grid-template-columns: 80px 1fr;
                gap: 14px;
            }
            .news-item .btn-read {
                grid-column: 2;
                justify-self: start;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .activity-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .limited-entry {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            :root {
                --nav-height: 56px;
                --section-space: var(--section-space-mobile);
            }
            body {
                font-size: 14px;
                padding-bottom: var(--tab-height);
            }
            h1 {
                font-size: 27px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                height: var(--nav-height);
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                gap: 0;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
                padding: 12px 20px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                width: 100%;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hamburger {
                display: block;
            }
            .bottom-tab-nav {
                display: block;
            }
            .hero {
                padding: 32px 0 40px;
            }
            .hero .container {
                gap: 24px;
            }
            .hero-title {
                font-size: 27px;
            }
            .hero-subtitle {
                font-size: 15px;
                margin-bottom: 20px;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                padding: 12px 18px;
                font-size: 14px;
            }
            .hero-visual {
                padding: 16px;
            }
            .progress-ring-wrap {
                gap: 16px;
                justify-content: center;
            }
            .progress-ring {
                width: 100px;
                height: 100px;
            }
            .progress-ring .ring-value {
                font-size: 22px;
            }
            .tier-item {
                font-size: 13px;
                padding: 8px 12px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .metric-card {
                padding: 18px 16px;
            }
            .metric-card .metric-value {
                font-size: 28px;
            }
            .series-nav-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .series-nav-card {
                padding: 14px 10px;
            }
            .series-nav-card .series-icon {
                font-size: 22px;
                margin-bottom: 6px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card.featured {
                grid-column: span 1;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .deep-content h2 {
                font-size: 21px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .deep-content p {
                font-size: 14px;
                line-height: 1.8;
            }
            .deep-content blockquote {
                padding: 14px 16px;
                font-size: 14px;
            }
            .comparison-card {
                padding: 20px 16px;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px 0;
            }
            .news-item .news-date {
                font-size: 12px;
            }
            .news-item .btn-read {
                grid-column: 1;
                justify-self: start;
            }
            .activity-wall {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .track-card {
                flex: 0 0 160px;
            }
            .limited-entry {
                padding: 24px 18px;
            }
            .limited-entry .countdown .cd-unit {
                min-width: 44px;
                padding: 6px 8px;
            }
            .limited-entry .countdown .cd-unit .cd-num {
                font-size: 18px;
            }
            .form-card {
                padding: 22px 16px;
            }
            .form-side {
                padding: 22px 16px;
            }
            .site-footer {
                padding: 36px 0 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .back-to-top {
                bottom: 72px;
                right: 12px;
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
        }

        /* Bottom Tab Navigation (Mobile) */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }

        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }

        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }

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

        .bottom-tab-nav .tab-item.active i {
            color: var(--primary);
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #F5F8FB 0%, #E8F2FA 40%, #DCECF7 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(46, 134, 193, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(242, 120, 75, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
            margin: 0 0 28px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .btn-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
            text-align: center;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .hero-trust-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        .hero-trust-strip .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-trust-strip .trust-item i {
            color: var(--primary);
            font-size: 16px;
        }

        .hero-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            min-height: 340px;
            background-color: var(--card);
        }

        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }

        .hero-image .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 24px;
            background: linear-gradient(to top, rgba(26, 43, 61, 0.85) 0%, rgba(26, 43, 61, 0.4) 40%, transparent 100%);
            color: #fff;
        }

        .hero-image .hero-image-overlay .overlay-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 4px;
        }

        .hero-image .hero-image-overlay .overlay-title {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
        }

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 680px;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        /* Stats Board */
        .stats-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -8px;
        }

        .stat-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all 0.3s ease;
        }

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

        .stat-card .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .stat-card .stat-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* Team Cards Grid - Irregular */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

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

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

        .team-card .team-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .team-card .team-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .team-card .team-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.04em;
        }

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

        .team-card .team-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .team-card .team-card-body .team-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .team-card .team-card-body .team-meta i {
            color: var(--primary);
            font-size: 13px;
        }

        .team-card .team-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0 0 14px;
            flex: 1;
        }

        .team-card .team-card-body .team-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }

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

        .team-card.span-8 {
            grid-column: span 8;
        }

        .team-card.span-4 {
            grid-column: span 4;
        }

        .team-card.span-6 {
            grid-column: span 6;
        }

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

        .team-card.featured {
            border: 2px solid var(--primary);
            position: relative;
        }

        .team-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 2;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
        }

        /* Team Comparison */
        .comparison-section {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 40px 32px;
            border: 1px solid var(--border);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            position: relative;
        }

        .comparison-grid::before {
            content: 'VS';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.3);
        }

        .comparison-card {
            background: var(--card);
            padding: 28px 26px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .comparison-card:first-child {
            border-right: none;
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
        }

        .comparison-card:last-child {
            border-left: none;
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
            line-height: 1.4;
            text-align: center;
        }

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

        .comparison-card .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            line-height: 1.6;
        }

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

        .comparison-card .comparison-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-card .comparison-list li i.fa-times {
            color: #ccc;
        }

        /* Player Data Display */
        .player-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .player-data-panel {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .player-data-panel .panel-header {
            background: var(--primary-soft);
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .player-data-panel .panel-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .player-data-panel .panel-header .badge {
            font-size: 11px;
            background: var(--accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
        }

        .player-data-panel .player-list {
            padding: 12px 20px;
        }

        .player-list .player-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .player-item .player-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }

        .player-item .player-info {
            flex: 1;
        }

        .player-item .player-info .player-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .player-item .player-info .player-position {
            font-size: 12px;
            color: var(--text-muted);
        }

        .player-item .player-stats {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .player-item .player-stats span {
            text-align: center;
        }

        .player-item .player-stats .stat-num {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 15px;
        }

        /* Deep Content Section */
        .deep-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow);
        }

        .deep-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 20px;
            line-height: 1.4;
        }

        .deep-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 28px 0 12px;
            line-height: 1.45;
        }

        .deep-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
            margin: 0 0 16px;
        }

        .deep-content blockquote {
            border-left: 3px solid var(--accent);
            background: #FFF9F6;
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: normal;
        }

        .deep-content blockquote p {
            margin: 0;
            font-weight: 500;
            color: var(--text);
            font-size: 15px;
        }

        .deep-content .content-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: 20px 0;
            box-shadow: var(--shadow);
        }

        .deep-content .content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .deep-content ul {
            padding-left: 20px;
            margin: 12px 0 16px;
        }

        .deep-content ul li {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 8px;
            list-style-type: disc;
        }

        /* FAQ Section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.2s ease;
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.2s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }

        /* CTA Form Section */
        .cta-form-section {
            background: linear-gradient(135deg, #1F6EA5 0%, #2E86C1 50%, #1A2B3D 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-form-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(242, 120, 75, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-form-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-form-info h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-form-info p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.75;
            margin: 0 0 20px;
        }

        .cta-form-info .contact-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cta-form-info .contact-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            padding: 6px 0;
        }

        .cta-form-info .contact-info-list li i {
            color: #F8D0C0;
            width: 20px;
            text-align: center;
        }

        .form-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 26px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }

        .form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            font-family: var(--font);
            color: var(--text);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            box-sizing: border-box;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
            outline: none;
        }

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

        .form-submit-btn {
            width: 100%;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
            margin-top: 4px;
        }

        .form-submit-btn:hover,
        .form-submit-btn:focus {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #1A2B3D;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: 32px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .site-footer p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            padding: 5px 0;
            transition: color 0.2s ease;
        }

        .footer-col a:hover,
        .footer-col a:focus {
            color: #F2784B;
        }

        .footer-col a i {
            width: 18px;
            text-align: center;
            margin-right: 4px;
        }

        .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: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color 0.2s ease;
        }

        .footer-bottom .footer-links a:hover,
        .footer-bottom .footer-links a:focus {
            color: #F2784B;
        }

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

            .hero-content h1 {
                font-size: 32px;
            }

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

            .team-card.span-8,
            .team-card.span-4,
            .team-card.span-6 {
                grid-column: span 6;
            }

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

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

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-space: var(--section-space-mobile);
            }

            .site-header .main-nav {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .bottom-tab-nav {
                display: block;
            }

            body {
                padding-bottom: var(--tab-height);
            }

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

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

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

            .hero-cta-group {
                flex-direction: column;
            }

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

            .hero-trust-strip {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }

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

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

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

            .stat-card {
                padding: 16px 12px;
            }

            .stat-card .stat-value {
                font-size: 24px;
            }

            .team-card.span-8,
            .team-card.span-4,
            .team-card.span-6,
            .team-card.span-12 {
                grid-column: span 12;
            }

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

            .comparison-grid::before {
                display: none;
            }

            .comparison-card:first-child,
            .comparison-card:last-child {
                border: 1px solid var(--border);
                border-radius: var(--radius);
            }

            .comparison-section {
                padding: 20px 16px;
            }

            .deep-content {
                padding: 24px 20px;
            }

            .deep-content h2 {
                font-size: 22px;
            }

            .cta-form-section {
                padding: 32px 20px;
            }

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

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

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

            .footer-grid > div:first-child {
                grid-column: span 2;
            }

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

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

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

            .footer-grid > div:first-child {
                grid-column: span 1;
            }

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

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

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .player-item {
                flex-wrap: wrap;
                gap: 8px;
            }

            .player-item .player-stats {
                width: 100%;
                justify-content: space-around;
                padding-left: 54px;
            }
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            z-index: 98;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
        }

        .mobile-nav-drawer.open {
            display: block;
        }

        .mobile-nav-drawer a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: color 0.2s ease;
        }

        .mobile-nav-drawer a:last-child {
            border-bottom: none;
        }

        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a:focus {
            color: var(--primary);
        }

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

        .mobile-nav-drawer .nav-cta {
            display: block;
            background: var(--accent);
            color: #fff;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            text-align: center;
            margin-top: 12px;
            border-bottom: none;
            font-weight: 600;
        }

/* roulang page: category1 */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
            --section-space: 80px;
            --section-space-mobile: 56px;
        }

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

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1 0 auto;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

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

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }

        /* ===== Bottom Tab Navigation ===== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }

        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }

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

        .bottom-tab-nav .tab-item.active i {
            color: var(--primary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--bg-alt);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

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

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

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

        .breadcrumb-bar .separator {
            color: var(--text-muted);
            opacity: 0.6;
        }

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

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #E8F2FA 0%, #F5F8FB 45%, #FDE8DE 100%);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(46, 134, 193, 0.06);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(242, 120, 75, 0.05);
            pointer-events: none;
        }

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

        .category-hero .hero-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.32;
            color: var(--text);
            margin: 0 0 18px;
            letter-spacing: -0.01em;
        }

        .category-hero .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-muted);
            margin: 0 0 28px;
            max-width: 540px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .category-hero .hero-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }

        .category-hero .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(242, 120, 75, 0.28);
        }

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

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary:active {
            background: var(--primary-soft);
            box-shadow: var(--shadow);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

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

        .btn-block {
            width: 100%;
        }

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

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

        .section-white {
            background: #FFFFFF;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
            margin: 0;
            max-width: 680px;
        }

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

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

        /* ===== Metric Cards ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            text-align: center;
        }

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

        .metric-card .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Feature Intro ===== */
        .feature-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .feature-intro-grid .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .feature-intro-grid .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 300px;
        }

        .feature-intro-grid .feature-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 16px;
            color: var(--text);
        }

        .feature-intro-grid .feature-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
            margin: 0 0 16px;
        }

        .feature-intro-grid .feature-content .feature-list {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
        }

        .feature-intro-grid .feature-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
            border-bottom: 1px solid var(--border);
        }

        .feature-intro-grid .feature-content .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-intro-grid .feature-content .feature-list li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .timeline {
            position: relative;
            padding-left: 36px;
            margin-top: 20px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -31px;
            top: 28px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

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

        .timeline-item .timeline-status {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        .timeline-item .timeline-status.live {
            background: #E8F5E9;
            color: #2E7D32;
        }

        .timeline-item .timeline-status.finished {
            background: var(--bg-alt);
            color: var(--text-muted);
        }

        .timeline-item .timeline-status.upcoming {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .timeline-item .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 12px;
        }

        .timeline-item .timeline-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .timeline-item .timeline-link:hover {
            color: var(--primary-dark);
        }

        /* ===== Ranking ===== */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .ranking-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .ranking-card .ranking-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .ranking-card .ranking-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .ranking-card .ranking-header .ranking-badge {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 12px;
            border-radius: 50px;
        }

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

        .ranking-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

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

        .ranking-list .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .ranking-list .rank-num.top1 {
            background: #FDE8DE;
            color: var(--accent-dark);
        }

        .ranking-list .rank-num.top2 {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .ranking-list .rank-num.top3 {
            background: #FFF3E0;
            color: #E65100;
        }

        .ranking-list .rank-name {
            flex: 1;
            font-weight: 500;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .ranking-list .rank-value {
            font-weight: 700;
            color: var(--accent);
            font-size: 15px;
            white-space: nowrap;
        }

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

        .service-feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            text-align: center;
        }

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

        .service-feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 16px;
        }

        .service-feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }

        .service-feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Data Flow ===== */
        .data-flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-flow-step {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 20px;
            box-shadow: var(--shadow);
            text-align: center;
            position: relative;
        }

        .data-flow-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .data-flow-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .data-flow-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            max-width: 800px;
        }

        .faq-accordion .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: none;
            transition: box-shadow 0.25s ease;
        }

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

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: var(--card);
            border: none;
            cursor: pointer;
            width: 100%;
            text-align: left;
            line-height: 1.5;
        }

        .faq-accordion .accordion-title .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-accordion .accordion-content {
            display: none;
            padding: 0 20px 20px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
        }

        .faq-accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            background: linear-gradient(135deg, #E8F2FA 0%, #F5F8FB 50%, #FDE8DE 100%);
            padding: var(--section-space) 0;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0 0 14px;
        }

        .cta-info p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
            margin: 0 0 20px;
        }

        .cta-info .cta-contact {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
        }

        .cta-info .cta-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text);
            padding: 8px 0;
        }

        .cta-info .cta-contact li i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .cta-form-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
        }

        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .cta-form-card .form-hint {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 20px;
            line-height: 1.6;
        }

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

        .cta-form-card label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-family: var(--font);
            font-size: 14px;
            color: var(--text);
            background: #FFFFFF;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            box-shadow: none;
            -webkit-appearance: none;
            appearance: none;
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
            outline: none;
        }

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

        .cta-form-card .btn {
            margin-top: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1A2B3D;
            color: #C5D2DE;
            padding: 56px 0 0;
            flex-shrink: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: #9DAEBF;
            margin: 0 0 16px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }

        .site-footer .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #9DAEBF;
            padding: 6px 0;
            transition: color 0.2s ease;
        }

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

        .site-footer .footer-col a i {
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #7D8FA5;
        }

        .site-footer .footer-bottom a {
            color: #9DAEBF;
            font-size: 13px;
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 14px;
            }

            .main-nav a {
                font-size: 14px;
            }

            .category-hero .hero-grid {
                gap: 32px;
            }

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

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

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

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

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-space: var(--section-space-mobile);
            }

            .site-header .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .main-nav {
                display: none;
            }

            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 16px 24px;
                gap: 4px;
                z-index: 1000;
            }

            .main-nav.mobile-open a {
                width: 100%;
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
            }

            .main-nav.mobile-open a:last-child {
                border-bottom: none;
            }

            .hamburger {
                display: block;
            }

            .bottom-tab-nav {
                display: block;
            }

            body {
                padding-bottom: calc(var(--tab-height) + 20px);
            }

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

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

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

            .category-hero .hero-visual img {
                min-height: 200px;
            }

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

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

            .metric-card .metric-value {
                font-size: 28px;
            }

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

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

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

            .data-flow-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

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

            .cta-form-card {
                padding: 24px 20px;
            }

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

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

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

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

            .timeline {
                padding-left: 28px;
            }

            .timeline-item::before {
                left: -23px;
                width: 10px;
                height: 10px;
                top: 24px;
            }
        }

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

            .brand-logo {
                font-size: 18px;
                gap: 8px;
            }

            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

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

            .category-hero h1 {
                font-size: 24px;
            }

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

            .category-hero .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }

            .faq-accordion .accordion-title {
                font-size: 14px;
                padding: 15px 16px;
            }

            .faq-accordion .accordion-content {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
        }
        @media (max-width: 640px) {
            :root {
                --nav-height: 56px;
                --section-space: var(--section-space-mobile);
            }
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Header / Navigation */
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo span {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
        }
        .mobile-menu {
            display: none;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 12px;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            z-index: 99;
            box-shadow: 0 8px 24px rgba(20, 45, 70, 0.10);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            transition: color 0.2s ease;
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-menu a:hover,
        .mobile-menu a:focus {
            color: var(--primary);
        }
        .mobile-menu .nav-cta {
            text-align: center;
            margin-top: 8px;
            border-bottom: none;
        }
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
        }
        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
            .hamburger {
                display: none;
            }
        }

        /* Bottom Tab Navigation (Mobile) */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 98;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }
        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }
        .bottom-tab-nav .tab-item.active {
            color: var(--primary);
        }
        .bottom-tab-nav .tab-item.active i {
            color: var(--primary);
        }
        .bottom-tab-nav .tab-item:hover,
        .bottom-tab-nav .tab-item:focus {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: calc(var(--tab-height) + 20px);
            }
        }
        @media (min-width: 1025px) {
            .bottom-tab-nav {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }

        /* Buttons */
        .btn {
            display: inline-block;
            font-family: var(--font);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
            text-align: center;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(242, 120, 75, 0.28);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .btn-secondary:active {
            background: #D8E8F5;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-block {
            display: block;
            width: 100%;
        }

        /* Section spacing */
        .section {
            padding: var(--section-space) 0;
        }
        @media (max-width: 640px) {
            .section {
                padding: var(--section-space-mobile) 0;
            }
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 0 0 8px 0;
        }
        .section-heading .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0;
            max-width: 720px;
        }
        @media (max-width: 640px) {
            .section-heading h2 {
                font-size: 22px;
            }
            .section-heading .section-sub {
                font-size: 14px;
            }
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, #F5F8FB 0%, #E8F2FA 100%);
            padding: 64px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin: 0 0 16px 0;
            letter-spacing: -0.01em;
        }
        .hero-content .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 24px 0;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-progress-wrap {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #FFFFFF;
            border-radius: var(--radius);
            padding: 16px 20px;
            box-shadow: var(--shadow-md);
            max-width: 480px;
            border: 1px solid var(--border);
        }
        .progress-ring {
            width: 72px;
            height: 72px;
            flex-shrink: 0;
            position: relative;
        }
        .progress-ring svg {
            transform: rotate(-90deg);
            width: 72px;
            height: 72px;
        }
        .progress-ring .ring-bg {
            fill: none;
            stroke: var(--border);
            stroke-width: 7;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--accent);
            stroke-width: 7;
            stroke-linecap: round;
            stroke-dasharray: 163.36;
            stroke-dashoffset: 35.94;
            transition: stroke-dashoffset 0.5s ease;
        }
        .progress-ring .ring-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 16px;
            font-weight: 800;
            color: var(--accent);
        }
        .progress-info .progress-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .progress-info .progress-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 8px;
        }
        .progress-info .progress-bar-track {
            width: 100%;
            height: 6px;
            background: var(--bg-alt);
            border-radius: 3px;
            overflow: hidden;
        }
        .progress-info .progress-bar-fill {
            height: 6px;
            background: var(--accent);
            border-radius: 3px;
            width: 78%;
        }
        .hero-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            background: var(--primary-soft);
        }
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .hero {
                padding: 40px 0 56px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .hero-progress-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-progress-wrap .progress-ring {
                width: 60px;
                height: 60px;
            }
            .hero-progress-wrap .progress-ring svg {
                width: 60px;
                height: 60px;
            }
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            display: block;
            margin-bottom: 6px;
        }
        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
        }
        @media (max-width: 400px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 28px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 6px;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--primary-soft);
            box-shadow: 0 0 0 3px var(--primary);
            z-index: 1;
        }
        .timeline-item .timeline-content {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .timeline-item .timeline-content:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .timeline-item .timeline-stage {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .timeline-item .timeline-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px 0;
        }
        .timeline-item .timeline-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 12px;
        }
        .timeline-item .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .timeline-item .timeline-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg-alt);
            padding: 3px 10px;
            border-radius: 4px;
        }
        @media (max-width: 640px) {
            .timeline {
                padding-left: 20px;
            }
            .timeline-item {
                padding-left: 18px;
            }
            .timeline-item::before {
                left: -17px;
                width: 12px;
                height: 12px;
                top: 4px;
            }
            .timeline-item .timeline-content {
                padding: 18px 16px;
            }
            .timeline-item .timeline-title {
                font-size: 17px;
            }
        }

        /* Coach Grid */
        .coach-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .coach-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .coach-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .coach-card .coach-photo {
            aspect-ratio: 4/3;
            background: var(--primary-soft);
            overflow: hidden;
        }
        .coach-card .coach-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .coach-card .coach-body {
            padding: 20px;
        }
        .coach-card .coach-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px 0;
        }
        .coach-card .coach-role {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 8px 0;
        }
        .coach-card .coach-bio {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .coach-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Philosophy / Deep Content */
        .philosophy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .philosophy-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
            background: var(--primary-soft);
        }
        .philosophy-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .philosophy-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
        }
        .philosophy-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .philosophy-text .highlight-quote {
            background: var(--primary-soft);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 16px 0;
        }
        .philosophy-points {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .philosophy-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .philosophy-points li i {
            color: var(--primary);
            margin-top: 5px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .philosophy-text h3 {
                font-size: 19px;
            }
        }

        /* Form */
        .form-section {
            background: var(--primary-soft);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .form-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
        }
        .form-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 20px;
        }
        .form-info .contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .form-info .contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .form-info .contact-list li:last-child {
            border-bottom: none;
        }
        .form-info .contact-list li i {
            width: 32px;
            height: 32px;
            background: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            box-shadow: var(--shadow);
        }
        .form-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .form-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 20px 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            font-family: var(--font);
            font-size: 15px;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: #FFF;
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            appearance: none;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7A8D' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-card {
                padding: 20px;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            gap: 12px;
            user-select: none;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px;
        }
        .faq-answer p {
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1A2B3D 0%, #233B54 100%);
            padding: 64px 0;
            position: relative;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            margin: 0 0 12px 0;
        }
        .cta-section .cta-sub {
            font-size: 16px;
            color: #B8C7D9;
            margin: 0 0 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 24px rgba(242, 120, 75, 0.45);
            font-size: 17px;
            padding: 15px 36px;
        }
        .cta-section .btn-primary:hover,
        .cta-section .btn-primary:focus {
            background: var(--accent-dark);
            box-shadow: 0 8px 30px rgba(242, 120, 75, 0.55);
        }
        .cta-section .btn-ghost {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid #52677D;
            font-size: 17px;
            padding: 15px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all 0.25s ease;
            cursor: pointer;
            display: inline-block;
        }
        .cta-section .btn-ghost:hover,
        .cta-section .btn-ghost:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 44px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section .cta-sub {
                font-size: 14px;
            }
            .cta-section .btn-primary,
            .cta-section .btn-ghost {
                font-size: 15px;
                padding: 12px 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: #1A2B3D;
            padding: 48px 0 24px;
            color: #B8C7D9;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .site-footer p {
            color: #B8C7D9;
            line-height: 1.7;
            margin: 0 0 12px;
            font-size: 14px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px;
        }
        .footer-col a {
            display: block;
            color: #B8C7D9;
            font-size: 14px;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover,
        .footer-col a:focus {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid #2E4258;
            font-size: 13px;
            color: #8FA2B5;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: #8FA2B5;
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-bottom .footer-links a:hover,
        .footer-bottom .footer-links a:focus {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        /* Misc */
        .section-divider {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 0;
        }
        @media (max-width: 640px) {
            body {
                font-size: 14px;
            }
            .section-heading h2 {
                font-size: 22px;
                line-height: 1.4;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text);
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 16px;
        }
        h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
        }
        h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
        }
        p {
            margin: 0 0 16px;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            text-align: left;
            margin-bottom: 32px;
        }
        .section-title h2 {
            margin-bottom: 8px;
            font-size: 26px;
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 0;
            max-width: 680px;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
        }
        .badge-primary {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }
        .badge-accent {
            background: #FFF0EB;
            color: var(--accent-dark);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-muted);
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo span {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
            font-size: 14px;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
        }

        /* Bottom Tab Navigation */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }
        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }
        .bottom-tab-nav .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-nav .tab-item.active i {
            color: var(--primary);
        }

        /* Hero */
        .venue-hero {
            background: linear-gradient(135deg, #F5F8FB 0%, #E8F2FA 55%, #D6E9F7 100%);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .venue-hero::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(46, 134, 193, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .venue-hero .container {
            position: relative;
            z-index: 1;
        }
        .venue-hero h1 {
            font-size: 36px;
            margin-bottom: 14px;
            max-width: 700px;
        }
        .venue-hero .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }
        .hero-trust {
            display: flex;
            gap: 24px;
            margin-top: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .hero-trust .trust-item i {
            color: var(--primary);
            font-size: 16px;
        }

        /* Stats strip */
        .stats-strip {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
            margin-top: -1px;
        }
        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stats-strip .stat-item {
            text-align: center;
            padding: 8px 12px;
        }
        .stats-strip .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.3;
        }
        .stats-strip .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Venue cards section */
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .venue-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .venue-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary-soft);
        }
        .venue-card-img {
            position: relative;
            height: 220px;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .venue-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .venue-card:hover .venue-card-img img {
            transform: scale(1.04);
        }
        .venue-card-img .img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 43, 61, 0.35);
            z-index: 1;
        }
        .venue-card-img .venue-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--text);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }
        .venue-card-img .venue-city {
            position: absolute;
            bottom: 12px;
            left: 12px;
            z-index: 2;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            text-shadow: 0 1px 4px rgba(0,0,0,0.3);
        }
        .venue-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .venue-card-body h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .venue-card-body .venue-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .venue-features {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .venue-features span {
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .venue-features span i {
            color: var(--primary);
            font-size: 11px;
        }
        .venue-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .venue-price {
            font-size: 13px;
            color: var(--text-muted);
        }
        .venue-price strong {
            color: var(--accent);
            font-size: 18px;
            font-weight: 700;
        }
        .venue-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Filter section */
        .filter-panel {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 24px;
            margin-bottom: 28px;
        }
        .filter-panel .filter-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-panel .filter-title i {
            color: var(--primary);
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 12px;
        }
        .filter-chip {
            padding: 7px 16px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: #fff;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-search {
            display: flex;
            gap: 10px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .filter-search input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .filter-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
            outline: none;
        }
        .filter-search .btn-search {
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-search .btn-search:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Venue location info */
        .location-panel {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 28px;
        }
        .location-panel h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }
        .location-panel h3 i {
            color: var(--accent);
        }
        .location-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 18px;
        }
        .location-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px;
            background: var(--bg);
            border-radius: var(--radius-sm);
        }
        .location-item i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .location-item .loc-text {
            font-size: 13px;
            color: var(--text);
            line-height: 1.6;
        }
        .location-item .loc-text strong {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        /* CTA Section */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-panel h2 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 6px;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            font-size: 15px;
            max-width: 500px;
        }
        .cta-panel .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(242, 120, 75, 0.4);
            font-size: 15px;
        }
        .cta-panel .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(242, 120, 75, 0.5);
        }

        /* Form Section */
        .form-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            padding: 32px;
        }
        .form-card h3 {
            margin-bottom: 6px;
        }
        .form-card .form-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font);
            background: #fff;
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            width: 100%;
        }
        .form-submit:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #1A2B3D;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            flex-shrink: 0;
        }
        .site-footer p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }
        .site-footer .footer-col a:hover {
            color: #fff;
        }
        .site-footer .footer-col a i {
            margin-right: 6px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color 0.2s ease;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 12px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .venue-grid {
                grid-template-columns: 1fr 1fr;
            }
            .location-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                padding: 10px 0;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .main-nav.mobile-open {
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 24px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
                z-index: 101;
                gap: 10px;
            }
            .main-nav.mobile-open a {
                width: 100%;
                padding: 8px 0;
                font-size: 15px;
            }
            .main-nav.mobile-open .nav-cta {
                text-align: center;
                margin-top: 6px;
            }
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: var(--tab-height);
            }
            .venue-hero {
                padding: 36px 0 36px;
            }
            .venue-hero h1 {
                font-size: 26px;
            }
            .venue-hero .hero-sub {
                font-size: 15px;
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .venue-grid {
                grid-template-columns: 1fr;
            }
            .venue-card-img {
                height: 180px;
            }
            .filter-panel {
                padding: 18px;
            }
            .location-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .stats-strip .stat-num {
                font-size: 22px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 32px 24px;
                text-align: center;
                justify-content: center;
            }
            .cta-panel p {
                margin-bottom: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .venue-hero h1 {
                font-size: 22px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .filter-search {
                flex-direction: column;
            }
            .filter-search .btn-search {
                justify-content: center;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2E86C1;
            --primary-dark: #1F6EA5;
            --primary-soft: #E8F2FA;
            --accent: #F2784B;
            --accent-dark: #D95F2E;
            --bg: #F5F8FB;
            --bg-alt: #EEF3F8;
            --card: #FFFFFF;
            --text: #1A2B3D;
            --text-muted: #6B7A8D;
            --border: #E6ECF2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
            --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
            --nav-height: 72px;
            --tab-height: 60px;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            background: #FFFFFF;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-logo span {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
            transition: all 0.25s ease;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff !important;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 4px;
            z-index: 101;
        }
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #FFFFFF;
            border-top: 1px solid var(--border);
            height: var(--tab-height);
            box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        .bottom-tab-nav .tab-list {
            display: flex;
            height: 100%;
            align-items: center;
            justify-content: space-around;
        }
        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            flex: 1;
            text-align: center;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .bottom-tab-nav .tab-item i {
            font-size: 18px;
            line-height: 1;
        }
        .bottom-tab-nav .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-nav .tab-item.active i {
            color: var(--primary);
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 8px 24px rgba(20, 45, 70, 0.12);
            z-index: 98;
            padding: 16px 24px 24px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: color 0.2s ease;
        }
        .mobile-menu-panel a:last-child {
            border-bottom: none;
        }
        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            color: var(--primary);
        }
        .section-space {
            padding: var(--section-space) 0;
        }
        .section-space-sm {
            padding: 48px 0;
        }
        .section-space-lg {
            padding: 100px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 680px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            line-height: 1.4;
            text-align: center;
            justify-content: center;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--accent-dark);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(242, 120, 75, 0.24);
        }
        .btn-secondary {
            background: #FFFFFF;
            color: var(--primary);
            border-color: var(--border);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .btn-secondary:active {
            background: var(--bg-alt);
            border-color: var(--primary-dark);
        }
        .btn-block {
            width: 100%;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-body {
            padding: 24px 28px;
        }
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 20px;
            background: var(--primary-soft);
            color: var(--primary-dark);
        }
        .badge-accent {
            background: #FFF0E8;
            color: var(--accent-dark);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-muted);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #E8F2FA 0%, #F5F8FB 50%, #EEF3F8 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .hero-banner::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: 0.08;
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 1;
        }
        .hero-banner h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-banner .hero-sub {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 28px;
        }
        .hero-banner .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            max-height: 320px;
            object-fit: cover;
            width: 100%;
        }
        .group-buy-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 24px 28px;
            max-width: 380px;
            width: 100%;
        }
        .group-buy-card .group-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .group-buy-card .group-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .group-buy-card .group-price .currency {
            font-size: 20px;
            font-weight: 600;
        }
        .group-buy-card .group-hint {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .group-buy-card .group-avatars {
            display: flex;
            align-items: center;
            gap: -6px;
            margin-bottom: 16px;
        }
        .group-buy-card .group-avatars .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-soft);
            border: 2px solid #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-right: -8px;
        }
        .group-buy-card .group-avatars .avatar:first-child {
            margin-right: 0;
        }
        .group-buy-card .group-avatars span {
            font-size: 13px;
            color: var(--text-muted);
            margin-left: 12px;
        }
        .product-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .product-card .product-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-alt);
            position: relative;
        }
        .product-card .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .product-card:hover .product-img img {
            transform: scale(1.05);
        }
        .product-card .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
        }
        .product-card .product-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card .product-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
        .product-card .product-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .product-card .spec-bar {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }
        .product-card .spec-bar .spec-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .product-card .spec-bar .spec-item .spec-label {
            min-width: 48px;
            font-weight: 500;
            color: var(--text);
        }
        .product-card .spec-bar .spec-item .spec-fill {
            flex: 1;
            height: 6px;
            background: var(--bg-alt);
            border-radius: 3px;
            overflow: hidden;
        }
        .product-card .spec-bar .spec-item .spec-fill .spec-progress {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
        }
        .product-card .product-price-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
        }
        .product-card .product-price {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-dark);
        }
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            background: var(--card);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
        }
        .comparison-table thead th {
            background: var(--primary-soft);
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 2px solid var(--primary);
        }
        .comparison-table thead th:first-child {
            border-radius: 0;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            font-size: 14px;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }
        .comparison-table tbody tr:nth-child(even) {
            background: #FAFCFE;
        }
        .comparison-table tbody tr:hover {
            background: var(--primary-soft);
        }
        .comparison-table .highlight-col {
            background: #FFF8F3;
            border-left: 3px solid var(--accent);
        }
        .comparison-table .check-icon {
            color: var(--primary);
            font-weight: 600;
        }
        .comparison-table .cross-icon {
            color: var(--text-muted);
        }
        .guide-article {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 40px 48px;
        }
        .guide-article h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
            margin-top: 32px;
        }
        .guide-article h3:first-child {
            margin-top: 0;
        }
        .guide-article p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .guide-article blockquote {
            border-left: 3px solid var(--primary);
            background: var(--primary-soft);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-size: 16px;
            color: var(--text);
            font-weight: 500;
        }
        .faq-item {
            background: var(--card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: all 0.2s ease;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }
        .cta-form-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-form-section .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .cta-form-section .cta-info {
            padding: 48px 40px;
            color: #fff;
        }
        .cta-form-section .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .cta-form-section .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .cta-form-section .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 12px;
        }
        .cta-form-section .cta-contact-item i {
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .cta-form-section .cta-form {
            padding: 48px 40px;
            background: var(--card);
        }
        .cta-form-section .cta-form .form-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 20px;
        }
        .cta-form-section .cta-form .form-field {
            margin-bottom: 16px;
        }
        .cta-form-section .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cta-form-section .cta-form input,
        .cta-form-section .cta-form select,
        .cta-form-section .cta-form textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-family: var(--font);
            color: var(--text);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .cta-form-section .cta-form input:focus,
        .cta-form-section .cta-form select:focus,
        .cta-form-section .cta-form textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(46, 134, 193, 0.15);
        }
        .cta-form-section .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }
        .trust-badge-row {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 20px 0;
        }
        .trust-badge-row .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .trust-badge-row .trust-item i {
            color: var(--primary);
            font-size: 18px;
        }
        .site-footer {
            background: #1A2B3D;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            flex-shrink: 0;
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 10px;
            transition: color 0.2s ease;
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
        }
        .site-footer .footer-col a i {
            margin-right: 6px;
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-footer .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .site-footer .footer-bottom .footer-links a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form-section .cta-inner {
                grid-template-columns: 1fr;
            }
            .cta-form-section .cta-info {
                padding: 32px 28px;
            }
            .cta-form-section .cta-form {
                padding: 32px 28px;
            }
            .hero-banner h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-space: 52px;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: var(--tab-height);
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero-banner {
                min-height: 360px;
                padding: 32px 0;
            }
            .hero-banner h1 {
                font-size: 26px;
            }
            .hero-banner .hero-sub {
                font-size: 16px;
            }
            .hero-banner .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-banner .hero-actions .btn {
                width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-bottom .footer-links {
                justify-content: center;
            }
            .guide-article {
                padding: 24px 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .group-buy-card {
                max-width: 100%;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 24px;
            }
            .hero-banner .hero-sub {
                font-size: 15px;
            }
            .section-title {
                font-size: 20px;
            }
            .product-card .product-body {
                padding: 16px 18px 20px;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .group-buy-card {
                padding: 18px 20px;
            }
            .group-buy-card .group-price {
                font-size: 28px;
            }
        }

/* roulang page: category6 */
:root {
  --primary: #2E86C1;
  --primary-dark: #1F6EA5;
  --primary-soft: #E8F2FA;
  --accent: #F2784B;
  --accent-dark: #D95F2E;
  --bg: #F5F8FB;
  --bg-alt: #EEF3F8;
  --card: #FFFFFF;
  --text: #1A2B3D;
  --text-muted: #6B7A8D;
  --border: #E6ECF2;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
  --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
  --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
  --nav-height: 72px;
  --tab-height: 60px;
  --section-space: 88px;
  --section-space-mobile: 52px;
  --container-max: 1200px;
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  margin: 0;
  padding: 0;
  padding-bottom: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--primary-dark);
  text-decoration: none;
}

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

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

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

/* Header */
.site-header {
  background: #FFFFFF;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.brand-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 4px 0;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--primary);
}

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

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
  transition: all 0.25s ease;
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--accent-dark);
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

/* Bottom Tab Navigation */
.bottom-tab-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  height: var(--tab-height);
  box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-tab-nav .tab-list {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-around;
}

.bottom-tab-nav .tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  flex: 1;
  text-align: center;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.bottom-tab-nav .tab-item i {
  font-size: 18px;
  line-height: 1;
}

.bottom-tab-nav .tab-item.active {
  color: var(--primary);
}

.bottom-tab-nav .tab-item.active i {
  color: var(--primary);
}

.bottom-tab-nav .tab-item:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  text-align: center;
  line-height: 1.5;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
  transform: translateY(-1px);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-dark);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

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

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(20, 45, 70, 0.12);
}

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

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

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

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

.card-body {
  padding: 24px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

/* Badge / Tag */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}

.badge-primary {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.badge-accent {
  background: #FEF0EA;
  color: var(--accent-dark);
}

.badge-success {
  background: #E8F8EE;
  color: #1A8A4A;
}

.badge-full {
  background: #F5F0F0;
  color: #8A5A5A;
}

.badge-warning {
  background: #FEF9E7;
  color: #B8860B;
}

/* Form */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
  display: block;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  transition: all 0.25s ease;
  line-height: 1.5;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(46, 134, 193, 0.15);
  outline: none;
}

.form-input::placeholder {
  color: #A0AEBA;
}

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

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B7A8D' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* Page Banner */
.page-banner {
  position: relative;
  background: var(--primary);
  background-image: linear-gradient(135deg, rgba(31, 110, 165, 0.92) 0%, rgba(46, 134, 193, 0.86) 100%), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 72px 0 64px;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 50px;
  background: var(--bg);
  border-radius: 50% 50% 0 0;
  z-index: 1;
}

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

.page-banner h1 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 14px;
}

.page-banner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.75;
  max-width: 650px;
  margin-bottom: 20px;
}

.banner-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.banner-badges .badge {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 14px;
  font-size: 13px;
  backdrop-filter: blur(4px);
}

/* Event Calendar */
.calendar-wrapper {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--primary-soft);
}

.calendar-header .month-label {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.calendar-header .month-nav {
  display: flex;
  gap: 8px;
}

.calendar-header .month-nav button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-header .month-nav button:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  padding: 12px 16px;
}

.calendar-weekday {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
}

.calendar-day {
  text-align: center;
  font-size: 14px;
  color: var(--text);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  cursor: default;
  position: relative;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.calendar-day.empty {
  background: transparent;
  cursor: default;
  min-height: 48px;
}

.calendar-day.has-event {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(46, 134, 193, 0.25);
}

.calendar-day.has-event:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.calendar-day .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 4px;
}

.calendar-day.today {
  border: 2px solid var(--primary);
  font-weight: 700;
}

.calendar-day.other-month {
  color: #C5D0DB;
}

/* Event List */
.event-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.event-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
  flex-wrap: wrap;
}

.event-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.event-date-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 72px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
  padding: 8px;
  flex-shrink: 0;
}

.event-date-block .month {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  line-height: 1.2;
}

.event-date-block .day {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.2;
}

.event-item-content {
  flex: 1;
  min-width: 200px;
}

.event-item-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.event-item-content p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
}

.event-item-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

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

.event-item-meta i {
  color: var(--primary);
  font-size: 13px;
}

.event-item-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Past Events */
.past-event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.past-event-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-alt);
  position: relative;
}

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

.past-event-img .overlay-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(26, 43, 61, 0.75);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.past-event-body {
  padding: 20px;
}

.past-event-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.past-event-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

/* Share Area */
.share-area {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 32px;
  text-align: center;
}

.share-area h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.share-area p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.share-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font);
}

.share-btn:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.share-btn i {
  font-size: 16px;
}

.share-btn.wechat:hover {
  background: #E8F8EE;
  border-color: #1A8A4A;
  color: #1A8A4A;
}

.share-btn.weibo:hover {
  background: #FEF0EA;
  border-color: #E86A33;
  color: #E86A33;
}

.share-btn.qq:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

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

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.25s ease;
}

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

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

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

.step-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
}

.step-card .step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(242, 120, 75, 0.35);
}

.step-card .step-icon {
  font-size: 32px;
  color: var(--primary);
  margin: 12px 0 10px;
}

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

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

/* FAQ */
.faq-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.25s ease;
}

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

.faq-question {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: color 0.2s ease;
}

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

.faq-question .faq-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  font-size: 14px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
}

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

.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

/* CTA Form */
.contact-form-wrapper {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 36px;
}

.contact-form-wrapper h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.contact-form-wrapper .form-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

.contact-form-grid .full-width {
  grid-column: 1 / -1;
}

.contact-side-info {
  background: var(--primary-soft);
  border-radius: var(--radius);
  padding: 24px;
}

.contact-side-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.contact-side-info p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

.contact-side-info .info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}

.contact-side-info .info-item i {
  color: var(--primary);
  width: 18px;
  text-align: center;
}

/* Footer */
.site-footer {
  background: #1A2B3D;
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 24px;
  margin-top: 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: #F2784B;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}

.footer-grid p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

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

.footer-col a {
  display: block;
  font-size: 14px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-col a i {
  margin-right: 6px;
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: flex;
  gap: 16px;
  font-size: 13px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --nav-height: 64px;
  }

  .main-nav {
    gap: 14px;
  }

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

  .nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
    --section-space: 68px;
  }

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

  .site-header {
    height: auto;
    padding: 8px 0;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .hamburger {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #fff;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }

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

  .main-nav a {
    width: 100%;
    padding: 10px 0;
    font-size: 15px;
  }

  .main-nav a.active::after {
    display: none;
  }

  .bottom-tab-nav {
    display: block;
  }

  body {
    padding-bottom: calc(var(--tab-height) + env(safe-area-inset-bottom, 0) + 12px);
  }

  .page-banner {
    padding: 44px 0 40px;
  }

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

  .page-banner p {
    font-size: 14px;
  }

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

  .calendar-grid {
    gap: 2px;
    padding: 8px;
  }

  .calendar-day {
    min-height: 36px;
    font-size: 12px;
    padding: 4px 2px;
  }

  .calendar-weekday {
    font-size: 11px;
    padding: 4px 0;
  }

  .event-item {
    flex-direction: column;
    padding: 16px;
  }

  .event-date-block {
    flex-direction: row;
    min-width: auto;
    height: auto;
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 14px;
  }

  .event-date-block .month {
    font-size: 14px;
  }

  .event-date-block .day {
    font-size: 22px;
  }

  .event-item-side {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .past-event-grid {
    grid-template-columns: 1fr;
  }

  .past-event-img {
    height: 180px;
  }

  .contact-form-wrapper {
    padding: 20px;
  }

  .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form-grid .full-width {
    grid-column: auto;
  }

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

  .stat-number {
    font-size: 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .share-area {
    padding: 20px;
  }

  .share-btn {
    font-size: 12px;
    padding: 8px 12px;
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-number {
    font-size: 22px;
  }

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

  .event-item-meta {
    flex-direction: column;
    gap: 4px;
  }

  .page-banner h1 {
    font-size: 22px;
  }
}

/* roulang page: category7 */
:root {
        --primary: #2E86C1;
        --primary-dark: #1F6EA5;
        --primary-soft: #E8F2FA;
        --accent: #F2784B;
        --accent-dark: #D95F2E;
        --bg: #F5F8FB;
        --bg-alt: #EEF3F8;
        --card: #FFFFFF;
        --text: #1A2B3D;
        --text-muted: #6B7A8D;
        --border: #E6ECF2;
        --radius: 12px;
        --radius-sm: 8px;
        --shadow: 0 2px 12px rgba(20, 45, 70, 0.06);
        --shadow-md: 0 6px 24px rgba(20, 45, 70, 0.10);
        --shadow-lg: 0 8px 28px rgba(20, 45, 70, 0.14);
        --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
        --nav-height: 72px;
        --tab-height: 60px;
        --section-space: 88px;
        --section-space-mobile: 52px;
        --container-max: 1200px;
    }

    @media (max-width: 640px) {
        :root {
            --nav-height: 56px;
            --section-space: var(--section-space-mobile);
        }
    }

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

    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background-color: var(--bg);
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    a:hover,
    a:focus {
        color: var(--primary-dark);
        text-decoration: none;
    }

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

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

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

    .site-header {
        background: #FFFFFF;
        height: var(--nav-height);
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 1px 8px rgba(20, 45, 70, 0.05);
    }

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

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 22px;
        color: var(--text);
        letter-spacing: -0.01em;
        white-space: nowrap;
    }

    .brand-logo .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        flex-shrink: 0;
    }

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

    .main-nav {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: wrap;
    }

    .main-nav a {
        color: var(--text);
        font-size: 14px;
        font-weight: 500;
        padding: 4px 0;
        position: relative;
        transition: color 0.2s ease;
        white-space: nowrap;
    }

    .main-nav a:hover,
    .main-nav a:focus {
        color: var(--primary);
    }

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

    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }

    .nav-cta {
        background: var(--accent);
        color: #fff !important;
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
        transition: all 0.25s ease;
    }

    .nav-cta:hover,
    .nav-cta:focus {
        background: var(--accent-dark);
        color: #fff !important;
        box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
        transform: translateY(-1px);
    }

    .hamburger {
        display: none;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--text);
        cursor: pointer;
        padding: 4px;
    }

    .bottom-tab-nav {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 99;
        background: #FFFFFF;
        border-top: 1px solid var(--border);
        height: var(--tab-height);
        box-shadow: 0 -2px 12px rgba(20, 45, 70, 0.07);
        padding-bottom: env(safe-area-inset-bottom, 0);
    }

    .bottom-tab-nav .tab-list {
        display: flex;
        height: 100%;
        align-items: center;
        justify-content: space-around;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .bottom-tab-nav .tab-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        font-size: 11px;
        color: var(--text-muted);
        font-weight: 500;
        flex: 1;
        text-align: center;
        padding: 6px 0;
        transition: color 0.2s ease;
    }

    .bottom-tab-nav .tab-item i {
        font-size: 18px;
        line-height: 1;
    }

    .bottom-tab-nav .tab-item.active {
        color: var(--primary);
    }

    .bottom-tab-nav .tab-item.active i {
        color: var(--primary);
    }

    .bottom-tab-nav .tab-item:hover,
    .bottom-tab-nav .tab-item:focus {
        color: var(--primary);
    }

    @media (max-width: 1024px) {
        .main-nav {
            display: none;
        }
        .hamburger {
            display: block;
        }
        .bottom-tab-nav {
            display: block;
        }
        body {
            padding-bottom: calc(var(--tab-height) + 20px);
        }
    }

    @media (min-width: 1025px) {
        .bottom-tab-nav {
            display: none;
        }
        body {
            padding-bottom: 0;
        }
    }

    /* Mobile drawer */
    .mobile-drawer {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: var(--tab-height);
        background: #fff;
        z-index: 98;
        padding: 24px;
        overflow-y: auto;
        box-shadow: 0 8px 28px rgba(20, 45, 70, 0.14);
    }

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

    .mobile-drawer a {
        display: block;
        padding: 14px 0;
        font-size: 16px;
        font-weight: 500;
        color: var(--text);
        border-bottom: 1px solid var(--border);
    }

    .mobile-drawer a:hover,
    .mobile-drawer a:focus {
        color: var(--primary);
    }

    .mobile-drawer a.active {
        color: var(--primary);
        font-weight: 600;
    }

    .mobile-drawer .drawer-cta {
        margin-top: 16px;
        background: var(--accent);
        color: #fff !important;
        text-align: center;
        border-radius: var(--radius-sm);
        border-bottom: none;
        padding: 14px 20px;
    }

    /* Page banner */
    .page-banner {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #4CA0D0 100%);
        padding: 64px 0 56px;
        position: relative;
        overflow: hidden;
        color: #fff;
    }

    .page-banner::after {
        content: '';
        position: absolute;
        top: -40%;
        right: -10%;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        pointer-events: none;
    }

    .page-banner::before {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -5%;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: rgba(242, 120, 75, 0.12);
        pointer-events: none;
    }

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

    .page-banner h1 {
        font-size: 34px;
        font-weight: 800;
        line-height: 1.35;
        margin: 0 0 16px;
        color: #fff;
    }

    .page-banner .banner-sub {
        font-size: 17px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.88);
        max-width: 720px;
        margin: 0 0 24px;
    }

    .banner-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .banner-breadcrumb a {
        color: rgba(255, 255, 255, 0.85);
    }

    .banner-breadcrumb a:hover {
        color: #fff;
    }

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

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

    .section-title {
        font-size: 26px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--text);
        margin: 0 0 12px;
    }

    .section-subtitle {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        margin: 0 0 32px;
        max-width: 680px;
    }

    .section-header {
        margin-bottom: 36px;
    }

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

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

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

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

    .card-body {
        padding: 28px;
    }

    .card-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
    }

    .card-text {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 15px;
        padding: 12px 24px;
        border: none;
        cursor: pointer;
        transition: all 0.25s ease;
        text-decoration: none;
        line-height: 1.4;
        font-family: var(--font);
    }

    .btn-primary {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 4px 14px rgba(242, 120, 75, 0.28);
    }

    .btn-primary:hover {
        background: var(--accent-dark);
        color: #fff;
        box-shadow: 0 6px 20px rgba(242, 120, 75, 0.38);
        transform: translateY(-1px);
    }

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

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

    .btn-secondary:hover {
        background: var(--primary-soft);
        border-color: var(--primary);
        color: var(--primary-dark);
    }

    .btn-light {
        background: #fff;
        color: var(--primary-dark);
    }

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

    .btn-lg {
        padding: 14px 32px;
        font-size: 16px;
        border-radius: 10px;
    }

    /* Badge */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        line-height: 1.5;
    }

    .badge-primary {
        background: var(--primary-soft);
        color: var(--primary-dark);
    }

    .badge-accent {
        background: rgba(242, 120, 75, 0.12);
        color: var(--accent-dark);
    }

    .badge-outline {
        background: transparent;
        color: var(--text-muted);
        border: 1px solid var(--border);
    }

    /* Membership tiers */
    .tier-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        align-items: stretch;
    }

    .tier-card {
        background: var(--card);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 32px 28px;
        display: flex;
        flex-direction: column;
        position: relative;
        transition: all 0.3s ease;
    }

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

    .tier-card.featured {
        border: 2px solid var(--accent);
        box-shadow: 0 8px 32px rgba(242, 120, 75, 0.16);
        transform: scale(1.03);
        z-index: 2;
    }

    .tier-card.featured:hover {
        transform: scale(1.03) translateY(-4px);
        box-shadow: 0 12px 36px rgba(242, 120, 75, 0.22);
    }

    .tier-badge {
        position: absolute;
        top: -12px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--accent);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 4px 16px;
        border-radius: 20px;
        white-space: nowrap;
        box-shadow: 0 4px 12px rgba(242, 120, 75, 0.3);
    }

    .tier-name {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 4px;
    }

    .tier-price {
        font-size: 32px;
        font-weight: 800;
        color: var(--primary-dark);
        margin: 8px 0 4px;
    }

    .tier-price small {
        font-size: 14px;
        font-weight: 400;
        color: var(--text-muted);
    }

    .tier-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin: 8px 0 16px;
    }

    .tier-features {
        list-style: none;
        margin: 0 0 20px;
        padding: 0;
        flex: 1;
    }

    .tier-features li {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        font-size: 14px;
        color: var(--text);
        line-height: 1.6;
        padding: 6px 0;
    }

    .tier-features li i {
        color: var(--primary);
        flex-shrink: 0;
        margin-top: 4px;
        font-size: 13px;
    }

    .tier-features li.muted {
        color: var(--text-muted);
    }

    .tier-features li.muted i {
        color: #C4D0DC;
    }

    .tier-card .btn {
        width: 100%;
    }

    /* Points rules */
    .points-rule-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .points-rule-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 20px;
        background: var(--card);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
    }

    .points-rule-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        flex-shrink: 0;
    }

    .points-rule-item h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 4px;
    }

    .points-rule-item p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin: 0;
    }

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

    .exchange-item {
        border: 2px dashed var(--border);
        border-radius: var(--radius);
        padding: 20px;
        text-align: center;
        background: var(--card);
        transition: all 0.3s ease;
    }

    .exchange-item:hover {
        border-color: var(--accent);
        border-style: solid;
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }

    .exchange-item .exchange-icon {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin: 0 auto 12px;
    }

    .exchange-item h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 4px;
    }

    .exchange-item .points-required {
        font-size: 13px;
        color: var(--accent-dark);
        font-weight: 600;
        margin: 0 0 8px;
    }

    .exchange-item p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin: 0;
    }

    .exchange-item .btn {
        margin-top: 12px;
        font-size: 13px;
        padding: 8px 16px;
    }

    /* Member perks highlights */
    .perk-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .perk-card {
        display: flex;
        gap: 16px;
        padding: 24px;
        background: var(--card);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        transition: all 0.3s ease;
    }

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

    .perk-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        flex-shrink: 0;
    }

    .perk-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 6px;
    }

    .perk-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0;
    }

    /* Growth path */
    .growth-path {
        display: flex;
        align-items: stretch;
        gap: 0;
        position: relative;
        margin-top: 24px;
    }

    .growth-step {
        flex: 1;
        text-align: center;
        padding: 0 16px;
        position: relative;
    }

    .growth-step::before {
        content: '';
        position: absolute;
        top: 24px;
        left: 50%;
        width: 100%;
        height: 2px;
        background: var(--border);
        z-index: 0;
    }

    .growth-step:first-child::before {
        left: 50%;
        width: 50%;
    }

    .growth-step:last-child::before {
        width: 50%;
        left: 0;
    }

    .growth-dot {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--card);
        border: 2px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--text-muted);
        margin: 0 auto 12px;
        position: relative;
        z-index: 1;
        transition: all 0.3s ease;
    }

    .growth-step.active .growth-dot {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(46, 134, 193, 0.28);
    }

    .growth-step h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 4px;
    }

    .growth-step p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
        margin: 0;
    }

    /* FAQ */
    .faq-section .accordion {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .faq-section .accordion-item {
        margin-bottom: 10px;
    }

    .faq-section .accordion-title {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        padding: 16px 20px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        transition: all 0.25s ease;
        box-shadow: var(--shadow);
    }

    .faq-section .accordion-title:hover {
        border-color: var(--primary);
        color: var(--primary-dark);
    }

    .faq-section .accordion-title .faq-icon {
        flex-shrink: 0;
        transition: transform 0.3s ease;
        color: var(--text-muted);
        font-size: 14px;
    }

    .faq-section .accordion-item.is-active .accordion-title {
        border-color: var(--primary);
        color: var(--primary-dark);
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    .faq-section .accordion-item.is-active .accordion-title .faq-icon {
        transform: rotate(180deg);
        color: var(--primary);
    }

    .faq-section .accordion-content {
        background: var(--card);
        border: 1px solid var(--border);
        border-top: none;
        border-bottom-left-radius: var(--radius-sm);
        border-bottom-right-radius: var(--radius-sm);
        padding: 0 20px;
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.35s ease, padding 0.35s ease;
        box-shadow: var(--shadow);
    }

    .faq-section .accordion-item.is-active .accordion-content {
        max-height: 500px;
        padding: 16px 20px;
    }

    .faq-section .accordion-content p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.8;
        margin: 0;
    }

    /* CTA section */
    .cta-section {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #3D8EC7 100%);
        border-radius: var(--radius);
        padding: 48px 40px;
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -5%;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
    }

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

    .cta-section h2 {
        font-size: 26px;
        font-weight: 800;
        color: #fff;
        margin: 0 0 12px;
    }

    .cta-section p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.85);
        line-height: 1.8;
        margin: 0 0 24px;
        max-width: 600px;
    }

    /* Form */
    .form-card {
        background: var(--card);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 32px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 6px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 12px 14px;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-family: var(--font);
        color: var(--text);
        background: #fff;
        transition: all 0.25s ease;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
    }

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

    .form-side-info {
        padding: 20px 0;
    }

    .form-side-info h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 12px;
    }

    .form-side-info p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin: 0 0 8px;
    }

    .form-side-info p i {
        color: var(--primary);
        width: 20px;
        margin-right: 6px;
    }

    /* Footer */
    .site-footer {
        background: #1A2B3D;
        color: rgba(255, 255, 255, 0.75);
        padding: 56px 0 24px;
        margin-top: var(--section-space);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }

    .footer-brand .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--primary);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
    }

    .site-footer p {
        font-size: 13px;
        line-height: 1.8;
        margin: 0 0 16px;
        color: rgba(255, 255, 255, 0.65);
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin: 0 0 14px;
    }

    .footer-col a {
        display: block;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        padding: 4px 0;
        transition: color 0.2s ease;
    }

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

    .footer-col a i {
        width: 18px;
        margin-right: 4px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
    }

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

    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 12px;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .tier-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .tier-card {
            padding: 24px 18px;
        }
        .exchange-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .perk-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .points-rule-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .tier-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .tier-card.featured {
            transform: scale(1);
        }
        .tier-card.featured:hover {
            transform: translateY(-4px);
        }
        .exchange-grid {
            grid-template-columns: 1fr;
        }
        .perk-grid {
            grid-template-columns: 1fr;
        }
        .points-rule-grid {
            grid-template-columns: 1fr;
        }
        .growth-path {
            flex-direction: column;
            gap: 20px;
        }
        .growth-step::before {
            display: none;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 640px) {
        .page-banner {
            padding: 40px 0 36px;
        }
        .page-banner h1 {
            font-size: 26px;
        }
        .page-banner .banner-sub {
            font-size: 15px;
        }
        .section-title {
            font-size: 22px;
        }
        .cta-section {
            padding: 32px 24px;
        }
        .cta-section h2 {
            font-size: 22px;
        }
        .form-card {
            padding: 24px 20px;
        }
    }

    @media (max-width: 1024px) and (min-width: 641px) {
        .main-nav {
            display: none;
        }
        .hamburger {
            display: block;
        }
    }