/* roulang page: index */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

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

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }

        .main-nav>li {
            position: relative;
        }

        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }

        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 560px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
            padding: var(--space-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            opacity: 0;
            visibility: hidden;
            transition: all 0.25s ease;
            z-index: 999;
        }

        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 0;
            right: 0;
            height: 12px;
            background: transparent;
        }

        .mega-block-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mega-block-title a {
            font-size: 12px;
            font-weight: 400;
            color: var(--primary);
        }

        .mega-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mega-list a:hover {
            background: var(--primary-softer);
            color: var(--primary);
        }

        .mega-list a .tag {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 600;
        }

        .mega-card {
            display: flex;
            gap: 12px;
            padding: 14px;
            border-radius: var(--radius-md);
            background: var(--primary-softer);
            align-items: center;
            transition: all var(--transition);
        }

        .mega-card:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
        }

        .mega-card img {
            width: 72px;
            height: 56px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .mega-card .mega-card-info {
            flex: 1;
            min-width: 0;
        }

        .mega-card .mega-card-info strong {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .mega-card .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: 0;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

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

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

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

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

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(165deg, #e8f0fe 0%, #f5f8fc 55%, #eef3fa 100%);
            overflow: hidden;
            padding: var(--space-3xl) 0 var(--space-2xl);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 111, 237, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -100px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 111, 237, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }

        .hero-content {
            padding-right: var(--space-lg);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-light);
            box-shadow: 0 2px 8px rgba(47, 111, 237, 0.06);
            margin-bottom: var(--space-md);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: var(--space-md);
        }

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

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: var(--space-lg);
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            margin-bottom: var(--space-lg);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(47, 111, 237, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(47, 111, 237, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(47, 111, 237, 0.25);
        }

        .btn-secondary {
            background: var(--bg-white);
            color: var(--primary);
            border: 1.5px solid var(--border);
        }

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

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

        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(47, 111, 237, 0.4);
            outline-offset: 2px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-lg);
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-light);
        }

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

        .hero-stat .stat-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

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

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

        .countdown-ring {
            position: relative;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) calc(var(--progress, 65) * 1%), var(--border-light) 0);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 20px 40px rgba(47, 111, 237, 0.15);
        }

        .countdown-ring .ring-inner {
            width: 164px;
            height: 164px;
            border-radius: 50%;
            background: var(--bg-white);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .countdown-ring .countdown-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .countdown-ring .countdown-value {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: 1px;
        }

        .countdown-ring .countdown-unit {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-visual .hero-side-notes {
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--bg-white);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 13px;
            color: var(--text-secondary);
            box-shadow: var(--shadow-card);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-visual .hero-side-notes .check {
            color: var(--primary);
            font-weight: 700;
        }

        /* Section Base */
        section {
            padding: var(--space-2xl) 0;
        }

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

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

        .section-header {
            text-align: left;
            margin-bottom: var(--space-xl);
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            letter-spacing: -0.3px;
            margin-bottom: var(--space-sm);
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        /* Card Grid */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

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

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #c9dcf8;
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: var(--space-md);
            flex-shrink: 0;
        }

        .card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-xs);
            line-height: 1.5;
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--space-md);
            position: relative;
        }

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

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

        .card-img .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            backdrop-filter: blur(4px);
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: var(--space-sm);
            transition: all var(--transition);
        }

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

        /* Entry Matrix */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--space-sm);
        }

        .entry-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: var(--space-md) var(--space-sm);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            gap: 8px;
        }

        .entry-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

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

        .entry-item span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* Step Flow */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            position: relative;
        }

        .step {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            position: relative;
            padding: var(--space-lg);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
        }

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

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

        /* Data Display */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: var(--space-lg);
        }

        .data-item {
            text-align: center;
            padding: var(--space-md);
        }

        .data-item .data-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .data-item .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            font-size: 48px;
            color: var(--primary-soft);
            position: absolute;
            top: 8px;
            right: 20px;
            font-weight: 800;
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-md);
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .testimonial-author .author-info strong {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

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

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .scenario-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 200px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

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

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

        .scenario-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--space-md) var(--space-lg);
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
            color: #fff;
        }

        .scenario-card .overlay h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .scenario-card .overlay span {
            font-size: 13px;
            opacity: 0.85;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .news-item img {
            width: 100px;
            height: 66px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-item .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
            text-align: right;
        }

        /* FAQ accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 800px;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            width: 100%;
            text-align: left;
            background: none;
            border: 0;
            transition: all var(--transition);
        }

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

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition);
        }

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

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

        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-md);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* App multi-platform */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .platform-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: var(--space-xs);
            padding: var(--space-lg) var(--space-md);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .platform-item .plat-icon {
            font-size: 32px;
            margin-bottom: 4px;
        }

        .platform-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .platform-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Brand intro */
        .brand-intro {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .brand-intro h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-md);
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 2;
            margin-bottom: var(--space-md);
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-2xl) var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            opacity: 0.88;
            margin-bottom: var(--space-lg);
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
            color: var(--primary-dark);
        }

        /* Version update */
        .version-timeline {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            max-width: 700px;
        }

        .version-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md) var(--space-lg);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .version-item:hover {
            box-shadow: var(--shadow-card);
        }

        .version-item .ver-badge {
            flex-shrink: 0;
            padding: 4px 12px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 12px;
            height: fit-content;
            margin-top: 4px;
        }

        .version-item .ver-body h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .version-item .ver-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: #1a2735;
            color: #aab8c8;
            padding: var(--space-2xl) 0 var(--space-md);
            margin-top: var(--space-2xl);
        }

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

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #8ea0b5;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-md);
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: #8ea0b5;
            transition: all var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: var(--space-md);
            text-align: center;
            font-size: 13px;
            color: #7a8a9e;
        }

        .footer-bottom a {
            color: #8ea0b5;
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

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

            .hero-content {
                padding-right: 0;
            }

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

            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .grid-4,
            .platform-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

            .nav-hamburger {
                display: flex;
            }

            .nav-wrapper {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--space-md) 0;
                box-shadow: var(--shadow-hover);
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                transition: transform 0.3s ease;
                z-index: 999;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

            .nav-wrapper.open {
                transform: translateY(0);
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 0 var(--space-md);
            }

            .main-nav>li>a {
                padding: 12px 16px;
                justify-content: space-between;
                font-size: 15px;
            }

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

            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                box-shadow: none;
                border: 0;
                border-radius: 0;
                padding: var(--space-sm) var(--space-md);
                display: block;
                opacity: 1;
                visibility: visible;
                background: var(--primary-softer);
                margin: 0;
            }

            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                transform: none;
            }

            .mega-block-title {
                margin-top: var(--space-sm);
            }

            .mega-card {
                margin-top: var(--space-sm);
            }

            .hero {
                padding: var(--space-2xl) 0 var(--space-xl);
            }

            .hero h1 {
                font-size: 25px;
                line-height: 1.4;
            }

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

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                gap: var(--space-md);
            }

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

            .countdown-ring {
                width: 160px;
                height: 160px;
            }

            .countdown-ring .ring-inner {
                width: 126px;
                height: 126px;
            }

            .countdown-ring .countdown-value {
                font-size: 32px;
            }

            .grid-3,
            .grid-2,
            .grid-4,
            .steps,
            .testimonial-grid,
            .scenario-grid,
            .platform-grid,
            .entry-grid,
            .data-strip {
                grid-template-columns: 1fr;
            }

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

            .section-header h2 {
                font-size: 21px;
            }

            .data-item .data-num {
                font-size: 28px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }

            .news-item img {
                width: 100%;
                height: 160px;
            }

            .news-item .news-date {
                text-align: left;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

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

            .logo .logo-text {
                font-size: 17px;
            }

            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .hero h1 {
                font-size: 22px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 6px 12px;
            }

            .btn-lg {
                padding: 13px 24px;
                font-size: 14px;
            }

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

            .card {
                padding: var(--space-md);
            }

            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-xs);
            }

            .entry-item span {
                font-size: 12px;
            }

            .countdown-ring {
                width: 140px;
                height: 140px;
            }

            .countdown-ring .ring-inner {
                width: 110px;
                height: 110px;
            }

            .countdown-ring .countdown-value {
                font-size: 27px;
            }

            .countdown-ring .countdown-label {
                font-size: 11px;
            }

            .countdown-ring .countdown-unit {
                font-size: 12px;
            }
        }

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

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

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

        .mt-sm {
            margin-top: var(--space-sm);
        }
        .mt-md {
            margin-top: var(--space-md);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mb-sm {
            margin-bottom: var(--space-sm);
        }
        .mb-md {
            margin-bottom: var(--space-md);
        }
        .mb-lg {
            margin-bottom: var(--space-lg);
        }

/* roulang page: category2 */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--space-md);
        }
        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }
        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo .logo-text span {
            color: var(--primary);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }
        .main-nav>li {
            position: relative;
        }
        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }
        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }
        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 540px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: var(--space-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 999;
            border: 1px solid var(--border-light);
        }
        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-block-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: var(--space-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .mega-block-title a {
            font-size: 13px;
            font-weight: 400;
            color: var(--primary);
        }
        .mega-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mega-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mega-list li a:hover {
            background: var(--primary-softer);
            color: var(--primary);
        }
        .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: var(--radius-full);
            padding: 2px 8px;
            margin-left: 4px;
        }
        .mega-card {
            display: flex;
            gap: 12px;
            align-items: center;
            background: var(--primary-softer);
            border-radius: var(--radius-md);
            padding: 10px;
            transition: all var(--transition);
        }
        .mega-card:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .mega-card img {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .mega-card-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mega-card-info strong {
            font-size: 14px;
            color: var(--text-primary);
        }
        .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 28px;
            background: transparent;
            justify-content: center;
            align-items: stretch;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
            width: 100%;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span.separator {
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        /* Category Header */
        .category-header-split {
            background: var(--bg-white);
            padding: var(--space-xl) 0 var(--space-lg);
            border-bottom: 1px solid var(--border-light);
        }
        .category-header-split .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }
        .category-header-split .header-copy h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
        }
        .category-header-split .header-copy p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.9;
        }
        .header-meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--space-md);
        }
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-softer);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .chip:hover {
            background: var(--primary-soft);
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .header-highlight-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            min-height: 200px;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .header-highlight-card::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }
        .header-highlight-card .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            padding: 4px 12px;
            width: fit-content;
        }
        .header-highlight-card .live-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff5a5a;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .header-highlight-card h2 {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .header-highlight-card p {
            font-size: 15px;
            opacity: 0.9;
        }
        /* Section Base */
        .section {
            padding: var(--space-2xl) 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-header {
            margin-bottom: var(--space-lg);
        }
        .section-header h2 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .section-header .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .section-header .section-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }
        .section-header .section-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        /* Live Match Cards */
        .live-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .match-card .match-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .match-card .match-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .match-card:hover .match-img img {
            transform: scale(1.04);
        }
        .match-card .match-img .status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            letter-spacing: 0.5px;
        }
        .match-card .match-img .status-badge.live {
            background: #e94b4b;
        }
        .match-card .match-img .status-badge.upcoming {
            background: var(--primary);
        }
        .match-card .match-img .status-badge.finished {
            background: rgba(90, 100, 120, 0.7);
        }
        .match-card .match-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .match-card .match-league {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .match-card .match-teams {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .match-card .match-teams .vs {
            color: var(--accent);
            font-weight: 700;
            margin: 0 6px;
        }
        .match-card .match-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .match-card .match-meta .icon-text {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .match-card .match-actions {
            display: flex;
            gap: 10px;
            margin-top: auto;
            padding-top: 4px;
        }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(47, 111, 237, 0.2);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(47, 111, 237, 0.3);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary-light);
        }
        .btn-outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-block {
            width: 100%;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }
        .btn-accent:hover {
            background: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transform: translateY(-1px);
        }
        /* Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: var(--space-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .guide-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .guide-card .guide-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .guide-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* Hot Picks */
        .hot-picks-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .hot-pick-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .hot-pick-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .hot-pick-card img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .hot-pick-card .hot-pick-body {
            padding: var(--space-sm) var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hot-pick-card .hot-pick-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .hot-pick-card .hot-pick-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Service Guarantee */
        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: var(--space-xl);
            border: 1px solid var(--border-light);
        }
        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
        }
        .guarantee-item .g-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-softer);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .guarantee-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .guarantee-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            width: 100%;
            padding: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-sm);
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: transparent;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 12px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 var(--space-md);
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 var(--space-md) var(--space-md);
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-lg);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-banner .cta-copy {
            flex: 1;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-copy h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        .cta-banner .cta-copy p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
        }
        .cta-banner .cta-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .cta-banner .btn-white:hover {
            background: var(--primary-softer);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .cta-banner .btn-ghost {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
        }
        .cta-banner .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        /* Footer */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: var(--space-2xl) 0 var(--space-md);
            margin-top: var(--space-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--space-sm);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: var(--space-md);
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }
        .footer-bottom a {
            color: var(--primary);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .live-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-picks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-header-split .split-layout {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .mega-panel {
                min-width: 480px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .logo .logo-text {
                font-size: 18px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-wrapper {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-hover);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md);
                gap: var(--space-sm);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.35s ease;
                z-index: 998;
                justify-content: flex-start;
                visibility: hidden;
                opacity: 0;
            }
            .nav-wrapper.open {
                max-height: 80vh;
                overflow-y: auto;
                visibility: visible;
                opacity: 1;
                padding: var(--space-md);
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
            }
            .main-nav>li>a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                justify-content: space-between;
            }
            .main-nav>li>a.active::after {
                display: none;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: 100%;
                box-shadow: none;
                border: none;
                background: var(--primary-softer);
                padding: var(--space-sm);
                grid-template-columns: 1fr;
                display: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                gap: var(--space-sm);
                margin-top: 4px;
                border-radius: var(--radius-sm);
            }
            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                display: grid;
            }
            .main-nav>li.mega-open .mega-panel {
                display: grid;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .live-grid,
            .guide-grid,
            .hot-picks-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-strip {
                grid-template-columns: 1fr;
                padding: var(--space-lg);
            }
            .category-header-split {
                padding: var(--space-lg) 0;
            }
            .category-header-split .header-copy h1 {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--space-lg);
            }
            .cta-banner .cta-actions {
                width: 100%;
            }
            .cta-banner .cta-actions .btn {
                flex: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: auto;
            }
            .header-highlight-card {
                padding: var(--space-lg);
                min-height: 160px;
            }
            .header-highlight-card h2 {
                font-size: 19px;
            }
            .section-header .section-title-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .match-card .match-teams {
                font-size: 15px;
            }
            .btn {
                padding: 9px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--space-md);
            position: relative;
        }

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav>li {
            position: relative;
        }

        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }

        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 5px;
            background: var(--primary-soft);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            flex-shrink: 0;
        }

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

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 520px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: var(--space-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 1001;
        }

        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-block-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mega-block-title a {
            font-size: 12px;
            color: var(--primary);
            font-weight: 500;
        }

        .mega-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 7px 10px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mega-list li a:hover {
            background: var(--primary-softer);
            color: var(--primary);
        }

        .tag {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 600;
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

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

        .mega-card img {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .mega-card-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mega-card-info strong {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            padding: var(--space-md) 0 0;
        }

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

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

        .breadcrumb .sep {
            color: var(--border);
        }

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

        /* Category Header */
        .category-header {
            padding: var(--space-lg) 0 var(--space-xl);
            position: relative;
        }

        .category-header .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-md);
            letter-spacing: 0.3px;
        }

        .category-header h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin: 0 0 var(--space-sm);
            line-height: 1.25;
        }

        .category-header .header-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.9;
            margin: 0;
        }

        .category-header .header-meta {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            margin-top: var(--space-md);
            flex-wrap: wrap;
        }

        .category-header .header-meta span {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-header .header-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border);
        }

        /* Section */
        .section {
            padding: var(--space-xl) 0 var(--space-2xl);
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin: 0 0 var(--space-xs);
            line-height: 1.35;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
            margin: 0 0 var(--space-xl);
        }

        /* League Grid */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

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

        .league-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .league-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-softer);
            position: relative;
        }

        .league-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .league-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .league-card .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .league-card .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.4;
        }

        .league-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .league-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--space-xs);
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-muted);
        }

        .league-card .card-footer .card-link {
            color: var(--primary);
            font-weight: 500;
            font-size: 13px;
            transition: all var(--transition);
        }

        .league-card .card-footer .card-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* Guide Section */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .guide-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .guide-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .guide-item .guide-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-soft);
            line-height: 1;
        }

        .guide-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.4;
        }

        .guide-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Hot Matches */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }

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

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

        .hot-card .hot-img {
            width: 140px;
            flex-shrink: 0;
            background: var(--primary-softer);
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .hot-card .hot-info {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .hot-card .hot-info .hot-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 8px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        .hot-card .hot-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.4;
        }

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

        /* Service Guarantee */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .service-item {
            text-align: center;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .service-item .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 22px;
            color: var(--primary);
        }

        .service-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--space-xs);
        }

        .service-item p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            gap: var(--space-sm);
            width: 100%;
            text-align: left;
            transition: all var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--primary);
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 var(--space-md);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            padding-top: var(--space-xs);
            border-top: 1px solid var(--border-light);
        }

        /* CTA */
        .cta-section {
            padding: var(--space-2xl) 0 var(--space-3xl);
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-2xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-lg);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-box .cta-text {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .cta-box .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--space-xs);
            line-height: 1.4;
        }

        .cta-box .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.88);
            margin: 0;
            line-height: 1.8;
        }

        .cta-box .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .btn-primary:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
            color: var(--primary-dark);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.65);
        }

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

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

        /* Footer */
        .site-footer {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: var(--space-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            padding-bottom: var(--space-xl);
            border-bottom: 1px solid var(--border-light);
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.5px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--space-sm);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

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

        .footer-bottom {
            padding-top: var(--space-md);
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom p {
            margin: 0;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: var(--primary);
            font-weight: 500;
        }

        .footer-bottom a:hover {
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }

            .main-nav>li>a {
                padding: 10px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                height: 60px;
            }

            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

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

            .nav-toggle {
                display: flex;
            }

            .nav-wrapper {
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--space-sm);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-hover);
                display: none;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
                z-index: 999;
            }

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

            .main-nav {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }

            .main-nav>li {
                width: 100%;
            }

            .main-nav>li>a {
                padding: 14px 16px;
                font-size: 16px;
                width: 100%;
                justify-content: space-between;
            }

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

            .main-nav>li>a.active {
                background: var(--primary-soft);
                color: var(--primary);
                border-left: 3px solid var(--primary);
            }

            .mega-panel {
                position: static;
                transform: none;
                min-width: 0;
                width: 100%;
                grid-template-columns: 1fr;
                gap: var(--space-sm);
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                padding: var(--space-sm);
                display: none;
                border-top: 1px solid var(--border-light);
                margin-top: var(--space-xs);
            }

            .main-nav>li.mega-open .mega-panel {
                display: grid;
            }

            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                transform: none;
                display: grid;
            }

            .mega-card img {
                width: 40px;
                height: 40px;
            }

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

            .category-header .header-desc {
                font-size: 15px;
            }

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

            .guide-list {
                grid-template-columns: 1fr;
            }

            .hot-list {
                grid-template-columns: 1fr;
            }

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

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

            .section-title {
                font-size: 21px;
            }

            .cta-box {
                padding: var(--space-lg);
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }

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

            .cta-box .cta-actions {
                justify-content: center;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

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

            .category-header h1 {
                font-size: 23px;
            }

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

            .hot-card {
                flex-direction: column;
            }

            .hot-card .hot-img {
                width: 100%;
                aspect-ratio: 16/7;
            }

            .league-card .card-img {
                aspect-ratio: 16/9;
            }

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

            .cta-box .cta-actions {
                flex-direction: column;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
        --primary: #2F6FED;
        --primary-dark: #2458c9;
        --primary-light: #4A8BEF;
        --primary-soft: #EAF1FD;
        --primary-softer: #F5F8FC;
        --accent: #F59E0B;
        --accent-soft: #FFF7E8;
        --text-primary: #1A2B3E;
        --text-secondary: #4A5B6E;
        --text-muted: #7A8A9E;
        --border: #D9E2F0;
        --border-light: #E7EEF7;
        --bg-page: #F5F8FC;
        --bg-white: #FFFFFF;
        --shadow-card: 0 2px 8px rgba(47,111,237,0.06), 0 8px 24px rgba(47,111,237,0.08);
        --shadow-hover: 0 6px 20px rgba(47,111,237,0.12), 0 12px 32px rgba(47,111,237,0.14);
        --shadow-nav: 0 1px 2px rgba(47,111,237,0.04), 0 4px 16px rgba(47,111,237,0.06);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --radius-full: 999px;
        --space-xs: 8px;
        --space-sm: 12px;
        --space-md: 20px;
        --space-lg: 32px;
        --space-xl: 48px;
        --space-2xl: 64px;
        --space-3xl: 80px;
        --container: 1200px;
        --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        --transition: 0.22s ease;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
        -webkit-tap-highlight-color: transparent;
    }
    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-primary);
        background-color: var(--bg-page);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--primary);
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
        border: 0;
        outline: none;
        background: none;
    }
    button {
        cursor: pointer;
    }
    ul,
    ol,
    li {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    p {
        margin: 0;
    }
    .container {
        width: 100%;
        max-width: var(--container);
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* Header & Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-light);
        box-shadow: var(--shadow-nav);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
        gap: var(--space-md);
    }
    .logo {
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 22px;
        letter-spacing: 0.5px;
        color: var(--primary);
        line-height: 1.2;
    }
    .logo .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: var(--radius-sm);
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: #fff;
        font-weight: 800;
        flex-shrink: 0;
    }
    .logo .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
    }
    .logo .logo-text span {
        color: var(--primary);
    }
    .nav-wrapper {
        display: flex;
        align-items: center;
        gap: var(--space-md);
        flex: 1;
        justify-content: flex-end;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 2px;
        list-style: none;
    }
    .main-nav>li {
        position: relative;
    }
    .main-nav>li>a {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 10px 16px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        white-space: nowrap;
        position: relative;
    }
    .main-nav>li>a:hover,
    .main-nav>li>a.active {
        color: var(--primary);
        background: var(--primary-soft);
    }
    .main-nav>li>a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 16px;
        right: 16px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }
    .nav-caret {
        font-size: 10px;
        transition: transform var(--transition);
        opacity: 0.6;
    }
    .main-nav>li:hover .nav-caret,
    .main-nav>li:focus-within .nav-caret {
        transform: rotate(180deg);
    }
    .mega-panel {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 520px;
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-hover);
        padding: var(--space-lg);
        display: none;
        z-index: 1001;
        gap: var(--space-lg);
    }
    .main-nav>li:hover .mega-panel,
    .main-nav>li:focus-within .mega-panel {
        display: flex;
    }
    .mega-panel>div {
        flex: 1;
    }
    .mega-block-title {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: var(--space-sm);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .mega-block-title a {
        font-size: 13px;
        color: var(--primary);
        font-weight: 500;
    }
    .mega-list li a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        font-size: 14px;
        color: var(--text-secondary);
        border-bottom: 1px solid var(--border-light);
    }
    .mega-list li a:hover {
        color: var(--primary);
    }
    .tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        color: var(--accent);
        background: var(--accent-soft);
        padding: 2px 8px;
        border-radius: var(--radius-full);
    }
    .mega-card {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 10px;
        border-radius: var(--radius-sm);
        background: var(--primary-softer);
        transition: all var(--transition);
    }
    .mega-card:hover {
        background: var(--primary-soft);
        transform: translateY(-2px);
    }
    .mega-card img {
        width: 56px;
        height: 42px;
        object-fit: cover;
        border-radius: 6px;
        flex-shrink: 0;
    }
    .mega-card-info strong {
        display: block;
        font-size: 14px;
        color: var(--text-primary);
    }
    .mega-card-info span {
        display: block;
        font-size: 12px;
        color: var(--text-muted);
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 10px;
        border-radius: var(--radius-sm);
        background: none;
        border: 1px solid var(--border);
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Breadcrumb */
    .breadcrumb-bar {
        background: var(--bg-white);
        border-bottom: 1px solid var(--border-light);
        padding: 12px 0;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-muted);
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--text-secondary);
    }
    .breadcrumb a:hover {
        color: var(--primary);
    }
    .breadcrumb .sep {
        color: var(--border);
    }
    .breadcrumb .current {
        color: var(--primary);
        font-weight: 500;
    }

    /* Category Hero */
    .category-hero {
        background: linear-gradient(135deg, #1a3d8f 0%, #2F6FED 55%, #4A8BEF 100%);
        padding: var(--space-2xl) 0 var(--space-3xl);
        position: relative;
        overflow: hidden;
        color: #fff;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        top: -40%;
        right: -10%;
        width: 500px;
        height: 500px;
        background: rgba(255,255,255,0.06);
        border-radius: 50%;
        pointer-events: none;
    }
    .category-hero::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -5%;
        width: 400px;
        height: 400px;
        background: rgba(255,255,255,0.04);
        border-radius: 50%;
        pointer-events: none;
    }
    .category-hero .container {
        position: relative;
        z-index: 1;
    }
    .category-hero-content {
        max-width: 680px;
    }
    .category-hero-badge {
        display: inline-block;
        background: rgba(255,255,255,0.16);
        border: 1px solid rgba(255,255,255,0.28);
        padding: 6px 16px;
        border-radius: var(--radius-full);
        font-size: 13px;
        font-weight: 500;
        margin-bottom: var(--space-md);
        letter-spacing: 0.5px;
    }
    .category-hero h1 {
        font-size: 36px;
        font-weight: 700;
        letter-spacing: -0.5px;
        line-height: 1.3;
        margin-bottom: var(--space-sm);
    }
    .category-hero p {
        font-size: 16px;
        line-height: 1.9;
        color: rgba(255,255,255,0.88);
        max-width: 620px;
    }
    .hero-stats-row {
        display: flex;
        gap: var(--space-lg);
        margin-top: var(--space-lg);
        flex-wrap: wrap;
    }
    .hero-stat-item {
        background: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.18);
        border-radius: var(--radius-md);
        padding: 14px 20px;
        min-width: 120px;
        text-align: center;
        backdrop-filter: blur(4px);
    }
    .hero-stat-item strong {
        display: block;
        font-size: 24px;
        font-weight: 700;
        line-height: 1.2;
    }
    .hero-stat-item span {
        font-size: 13px;
        color: rgba(255,255,255,0.8);
    }

    /* Section General */
    .section {
        padding: var(--space-2xl) 0;
    }
    .section-alt {
        background: var(--bg-white);
    }
    .section-header {
        margin-bottom: var(--space-xl);
    }
    .section-header h2 {
        font-size: 26px;
        font-weight: 600;
        color: var(--text-primary);
        letter-spacing: -0.3px;
        margin-bottom: var(--space-xs);
    }
    .section-header p {
        font-size: 15px;
        color: var(--text-muted);
        max-width: 520px;
        line-height: 1.8;
    }
    .section-header.center {
        text-align: center;
    }
    .section-header.center p {
        margin-left: auto;
        margin-right: auto;
    }

    /* Live Score Cards Grid */
    .score-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    .score-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        padding: var(--space-md) var(--space-lg);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-md);
        border: 1px solid var(--border-light);
        transition: all var(--transition);
    }
    .score-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
        border-color: var(--primary-light);
    }
    .score-teams {
        flex: 1;
        min-width: 0;
    }
    .score-league {
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-soft);
        padding: 2px 10px;
        border-radius: var(--radius-full);
        display: inline-block;
        margin-bottom: 8px;
    }
    .score-team-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.5;
    }
    .score-team-name+.score-team-name {
        margin-top: 2px;
    }
    .score-status {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 4px;
    }
    .score-number {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-primary);
        text-align: center;
        letter-spacing: 1px;
        white-space: nowrap;
    }
    .score-number .divider {
        font-size: 18px;
        color: var(--text-muted);
        margin: 0 4px;
    }
    .score-card .score-badge {
        font-size: 11px;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: var(--radius-full);
        white-space: nowrap;
    }
    .score-badge.live {
        background: #FEF2E7;
        color: #EA580C;
    }
    .score-badge.ht {
        background: var(--primary-soft);
        color: var(--primary);
    }
    .score-badge.ft {
        background: #EEF2F7;
        color: var(--text-muted);
    }
    .score-badge.upcoming {
        background: var(--accent-soft);
        color: var(--accent);
    }

    /* Data Strip */
    .data-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-md);
    }
    .data-strip-item {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        padding: var(--space-lg);
        text-align: center;
        border: 1px solid var(--border-light);
        transition: all var(--transition);
    }
    .data-strip-item:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .data-strip-icon {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin: 0 auto var(--space-sm);
    }
    .data-strip-item h3 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .data-strip-item p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* Guide Cards */
    .guide-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    .guide-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: var(--space-xl) var(--space-lg);
        border: 1px solid var(--border-light);
        transition: all var(--transition);
        position: relative;
        overflow: hidden;
    }
    .guide-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .guide-card .guide-num {
        font-size: 14px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-soft);
        width: 32px;
        height: 32px;
        border-radius: var(--radius-full);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: var(--space-sm);
    }
    .guide-card h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: var(--space-xs);
    }
    .guide-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    /* Hot Matches */
    .hot-match-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    .hot-match-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        border: 1px solid var(--border-light);
        transition: all var(--transition);
    }
    .hot-match-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .hot-match-card img {
        width: 100%;
        height: 160px;
        object-fit: cover;
    }
    .hot-match-body {
        padding: var(--space-md) var(--space-lg);
    }
    .hot-match-body h3 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .hot-match-body p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
    }
    .hot-match-body .match-tag {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-soft);
        padding: 2px 10px;
        border-radius: var(--radius-full);
        margin-bottom: 8px;
    }

    /* FAQ */
    .faq-list details {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-light);
        margin-bottom: var(--space-sm);
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-list details:hover {
        box-shadow: var(--shadow-hover);
    }
    .faq-list summary {
        padding: var(--space-md) var(--space-lg);
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: color var(--transition);
    }
    .faq-list summary:hover {
        color: var(--primary);
    }
    .faq-list summary::after {
        content: '+';
        font-size: 20px;
        font-weight: 400;
        color: var(--text-muted);
        transition: transform var(--transition);
    }
    .faq-list details[open] summary::after {
        content: '−';
        transform: rotate(180deg);
    }
    .faq-list details[open] summary {
        color: var(--primary);
    }
    .faq-answer {
        padding: 0 var(--space-lg) var(--space-md);
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    /* Guarantee */
    .guarantee-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    .guarantee-item {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: var(--space-lg);
        border: 1px solid var(--border-light);
        display: flex;
        gap: var(--space-md);
        align-items: flex-start;
        transition: all var(--transition);
    }
    .guarantee-item:hover {
        box-shadow: var(--shadow-card);
        border-color: var(--primary-light);
    }
    .guarantee-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;
        flex-shrink: 0;
    }
    .guarantee-item h3 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .guarantee-item p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* CTA Banner */
    .cta-banner {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        border-radius: var(--radius-xl);
        padding: var(--space-2xl) var(--space-xl);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-lg);
        flex-wrap: wrap;
    }
    .cta-banner h2 {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .cta-banner p {
        font-size: 15px;
        color: rgba(255,255,255,0.88);
        max-width: 480px;
        line-height: 1.8;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 24px;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        white-space: nowrap;
        letter-spacing: 0.3px;
    }
    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 4px 12px rgba(47,111,237,0.24);
    }
    .btn-primary:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(47,111,237,0.32);
    }
    .btn-white {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    .btn-white:hover {
        background: var(--primary-soft);
        color: var(--primary-dark);
        transform: translateY(-2px);
    }
    .btn-outline-light {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255,255,255,0.5);
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,0.12);
        color: #fff;
        border-color: #fff;
        transform: translateY(-2px);
    }

    /* Footer */
    .site-footer {
        background: var(--text-primary);
        color: rgba(255,255,255,0.8);
        padding: var(--space-2xl) 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: var(--space-xl);
        padding-bottom: var(--space-xl);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .footer-brand .footer-logo {
        font-size: 24px;
        font-weight: 700;
        color: #fff;
        margin-bottom: var(--space-sm);
    }
    .footer-brand .footer-logo span {
        color: var(--primary-light);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255,255,255,0.68);
        max-width: 320px;
    }
    .footer-col h3 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: var(--space-md);
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        font-size: 14px;
        color: rgba(255,255,255,0.68);
        transition: color var(--transition);
    }
    .footer-col ul li a:hover {
        color: var(--primary-light);
    }
    .footer-bottom {
        padding: var(--space-md) 0 var(--space-lg);
        text-align: center;
    }
    .footer-bottom p {
        font-size: 13px;
        color: rgba(255,255,255,0.55);
        line-height: 1.8;
    }
    .footer-bottom a {
        color: rgba(255,255,255,0.7);
    }
    .footer-bottom a:hover {
        color: var(--primary-light);
    }
    .mt-sm {
        margin-top: 4px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .container {
            padding-left: 20px;
            padding-right: 20px;
        }
        .main-nav>li>a {
            padding: 10px 12px;
            font-size: 14px;
        }
        .score-grid {
            grid-template-columns: 1fr 1fr;
        }
        .data-strip {
            grid-template-columns: repeat(2, 1fr);
        }
        .guide-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .hot-match-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .guarantee-row {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            height: auto;
            flex-wrap: wrap;
            padding: 12px 0;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-wrapper {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            order: 3;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .nav-wrapper.open {
            display: flex;
        }
        .main-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 0;
        }
        .main-nav>li {
            position: relative;
            width: 100%;
        }
        .main-nav>li>a {
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0;
            justify-content: space-between;
        }
        .main-nav>li>a.active::after {
            display: none;
        }
        .mega-panel {
            position: static;
            min-width: auto;
            box-shadow: none;
            border: none;
            background: var(--primary-softer);
            border-radius: var(--radius-sm);
            padding: var(--space-sm);
            display: none;
            flex-direction: column;
            gap: var(--space-sm);
            margin-bottom: var(--space-xs);
        }
        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            display: none;
        }
        .main-nav>li .mega-panel.open {
            display: flex;
        }
        .mega-card {
            flex-direction: row;
        }
        .mega-card img {
            width: 48px;
            height: 36px;
        }
        .category-hero {
            padding: var(--space-xl) 0 var(--space-2xl);
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .category-hero p {
            font-size: 14px;
        }
        .hero-stats-row {
            gap: var(--space-sm);
        }
        .hero-stat-item {
            padding: 10px 14px;
            min-width: 90px;
        }
        .hero-stat-item strong {
            font-size: 20px;
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section-header h2 {
            font-size: 21px;
        }
        .score-grid {
            grid-template-columns: 1fr;
        }
        .score-card {
            padding: var(--space-sm) var(--space-md);
            flex-wrap: wrap;
        }
        .score-number {
            font-size: 24px;
        }
        .data-strip {
            grid-template-columns: 1fr 1fr;
        }
        .guide-list {
            grid-template-columns: 1fr;
        }
        .hot-match-grid {
            grid-template-columns: 1fr;
        }
        .guarantee-row {
            grid-template-columns: 1fr;
        }
        .cta-banner {
            flex-direction: column;
            text-align: center;
            padding: var(--space-xl) var(--space-md);
        }
        .cta-banner p {
            max-width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .category-hero h1 {
            font-size: 23px;
        }
        .category-hero p {
            font-size: 13px;
        }
        .hero-stat-item {
            min-width: 70px;
            padding: 8px 10px;
        }
        .hero-stat-item strong {
            font-size: 18px;
        }
        .section-header h2 {
            font-size: 19px;
        }
        .score-card {
            gap: var(--space-sm);
        }
        .score-number {
            font-size: 20px;
        }
        .data-strip {
            grid-template-columns: 1fr;
        }
        .btn {
            width: 100%;
            justify-content: center;
        }
    }

/* roulang page: category4 */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

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

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav>li {
            position: relative;
        }

        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }

        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: 24px 28px;
            min-width: 520px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px 28px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            z-index: 999;
        }

        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-block-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            letter-spacing: 0.3px;
        }

        .mega-block-title a {
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            white-space: nowrap;
        }

        .mega-block-title a:hover {
            text-decoration: underline;
        }

        .mega-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mega-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mega-list li a:hover {
            background: var(--primary-softer);
            color: var(--primary);
        }

        .mega-list .tag {
            font-size: 11px;
            background: var(--accent-soft);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: var(--radius-md);
            background: var(--primary-softer);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .mega-card:hover {
            border-color: var(--border-light);
            background: #f0f5ff;
        }

        .mega-card img {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .mega-card-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }

        .mega-card-info strong {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Navbar Toggler */
        .navbar-toggler {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            padding: 0;
        }

        .navbar-toggler .bar {
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
            display: block;
        }

        .navbar-toggler.open .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler.open .bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler.open .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: var(--space-md) 0 0;
        }

        .breadcrumb-nav {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            padding: 0;
            margin: 0;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .breadcrumb-nav li+li::before {
            content: '/';
            color: var(--border);
            margin-right: 4px;
        }

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

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

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

        /* Category Header */
        .category-header {
            padding: var(--space-lg) 0 var(--space-md);
            background: linear-gradient(135deg, #F5F8FC 0%, #EAF1FD 55%, #F5F8FC 100%);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -30px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(47, 111, 237, 0.04);
            pointer-events: none;
        }

        .category-header::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.03);
            pointer-events: none;
        }

        .category-header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-lg);
            position: relative;
            z-index: 1;
        }

        .category-header-text {
            flex: 1;
            max-width: 720px;
        }

        .category-header-text h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--space-sm);
            letter-spacing: -0.3px;
        }

        .category-header-text p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        .category-header-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-white);
            padding: 14px 22px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .category-header-badge .badge-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }

        .category-header-badge .badge-text {
            display: flex;
            flex-direction: column;
        }

        .category-header-badge .badge-text strong {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .category-header-badge .badge-text span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Filter Bar */
        .filter-section {
            padding: var(--space-md) 0 var(--space-sm);
            margin-bottom: var(--space-sm);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            background: var(--bg-white);
            padding: 14px 18px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-btn {
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--primary-softer);
            border-radius: var(--radius-full);
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

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

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

        /* Cards Grid */
        .cards-section {
            padding: var(--space-sm) 0 var(--space-md);
        }

        .match-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(47, 111, 237, 0.2);
        }

        .match-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8edf5;
        }

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

        .match-card:hover .match-card-img img {
            transform: scale(1.03);
        }

        .match-card-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.94);
            color: var(--primary);
            z-index: 2;
        }

        .match-card-tag.live {
            background: #FFE4E4;
            color: #E53935;
        }

        .match-card-tag.upcoming {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .match-card-tag.ended {
            background: #EFF3F8;
            color: var(--text-muted);
        }

        .match-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .match-card-league {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .match-card-league i {
            color: var(--primary);
            font-size: 11px;
        }

        .match-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin: 0;
        }

        .match-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .match-card-meta i {
            font-size: 12px;
            color: var(--primary-light);
        }

        .match-card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        .match-card-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .match-card-score .score-sep {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 16px;
        }

        .match-card-action {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .match-card-action:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Section Titles */
        .section-title-wrap {
            margin-bottom: var(--space-lg);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .section-title-wrap h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.2px;
            position: relative;
            padding-left: 16px;
        }

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

        .section-title-wrap .section-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            max-width: 400px;
            text-align: right;
        }

        .section-title-wrap .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .section-title-wrap .section-link:hover {
            text-decoration: underline;
        }

        /* Hot List */
        .hot-list-section {
            padding: var(--space-2xl) 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .hot-list-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--primary-softer);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: all var(--transition);
            border: 1px solid transparent;
            height: 100%;
        }

        .hot-list-card:hover {
            border-color: var(--border-light);
            background: #f0f5ff;
            box-shadow: var(--shadow-card);
        }

        .hot-list-rank {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            min-width: 36px;
            text-align: center;
            flex-shrink: 0;
        }

        .hot-list-rank.gold {
            color: #F59E0B;
        }

        .hot-list-rank.silver {
            color: #94A3B8;
        }

        .hot-list-rank.bronze {
            color: #D97706;
        }

        .hot-list-info {
            flex: 1;
            min-width: 0;
        }

        .hot-list-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list-info span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hot-list-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            box-shadow: var(--shadow-card);
        }

        /* Guide Section */
        .guide-section {
            padding: var(--space-2xl) 0;
        }

        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 22px 24px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }

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

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

        .guide-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .guide-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* Service Assurance */
        .service-section {
            padding: var(--space-2xl) 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .service-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            background: var(--primary-softer);
            border-radius: var(--radius-md);
            height: 100%;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .service-item:hover {
            border-color: var(--border-light);
            background: #f0f5ff;
        }

        .service-item-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            box-shadow: var(--shadow-card);
        }

        .service-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }

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

        /* Team Data Section */
        .team-section {
            padding: var(--space-2xl) 0;
        }

        .team-scroll-wrapper {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 8px 2px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .team-scroll-wrapper::-webkit-scrollbar {
            height: 6px;
        }

        .team-scroll-wrapper::-webkit-scrollbar-track {
            background: var(--border-light);
            border-radius: 3px;
        }

        .team-scroll-wrapper::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        .team-card {
            flex: 0 0 240px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 20px;
            scroll-snap-align: start;
            transition: all var(--transition);
        }

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

        .team-card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .team-card-logo {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-soft), #dbe7ff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .team-card-name h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 2px;
        }

        .team-card-name span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .team-stats {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .team-stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .team-stat-row strong {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .team-stat-bar {
            height: 6px;
            background: var(--border-light);
            border-radius: 3px;
            overflow: hidden;
            margin-top: 2px;
        }

        .team-stat-bar span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 3px;
            transition: width 0.4s ease;
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--space-2xl) 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

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

        .faq-item:hover {
            border-color: rgba(47, 111, 237, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            gap: 12px;
            transition: all var(--transition);
            user-select: none;
        }

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

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

        .faq-item.open .faq-question .faq-toggle-icon {
            transform: rotate(45deg);
            background: var(--primary-soft);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--space-3xl) 0;
            background: linear-gradient(135deg, #EAF1FD 0%, #F5F8FC 50%, #FFF7E8 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 20%;
            right: 8%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(47, 111, 237, 0.05);
            pointer-events: none;
        }

        .cta-box {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-hover);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            z-index: 1;
            border: 1px solid var(--border-light);
        }

        .cta-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-kaiyun {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: none;
        }

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

        .btn-kaiyun-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(47, 111, 237, 0.3);
        }

        .btn-kaiyun-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-kaiyun-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary-light);
        }

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

        /* Footer */
        .site-footer {
            background: #0F1E32;
            color: #A8B8CE;
            padding: var(--space-2xl) 0 0;
            margin-top: 0;
        }

        .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);
        }

        .footer-brand .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
            max-width: 360px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #A8B8CE;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            padding: 20px 0 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #7E8EA5;
            margin: 0;
        }

        .footer-bottom a {
            color: #A8B8CE;
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav>li>a {
                padding: 10px 12px;
                font-size: 14px;
            }
            .mega-panel {
                min-width: 440px;
                padding: 20px;
            }
            .category-header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .category-header-text h1 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .navbar-toggler {
                display: flex;
            }
            .nav-wrapper {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-nav);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.35s ease;
                gap: 4px;
                align-items: stretch;
                justify-content: flex-start;
            }
            .nav-wrapper.open {
                max-height: 80vh;
                overflow-y: auto;
                padding: 16px 20px 20px;
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                width: 100%;
            }
            .main-nav>li {
                width: 100%;
            }
            .main-nav>li>a {
                padding: 10px 14px;
                font-size: 15px;
                width: 100%;
                justify-content: space-between;
            }
            .main-nav>li>a.active::after {
                left: 14px;
                right: 14px;
                bottom: 0;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: 0;
                grid-template-columns: 1fr;
                padding: 16px;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: 1px solid var(--border-light);
                margin-top: 6px;
                margin-bottom: 8px;
                display: none;
            }
            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                display: grid;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                transform: none;
            }
            .main-nav>li.open-menu .mega-panel {
                display: grid;
            }
            .nav-caret {
                font-size: 12px;
            }
            .category-header {
                padding: var(--space-md) 0 var(--space-sm);
            }
            .category-header-content {
                flex-direction: column;
                gap: 12px;
            }
            .category-header-text h1 {
                font-size: 26px;
            }
            .category-header-text p {
                font-size: 14px;
            }
            .category-header-badge {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 18px;
            }
            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }
            .filter-btn {
                padding: 5px 12px;
                font-size: 12px;
            }
            .section-title-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title-wrap .section-subtitle {
                text-align: left;
                max-width: 100%;
            }
            .section-title-wrap h2 {
                font-size: 20px;
                padding-left: 12px;
            }
            .section-title-wrap h2::before {
                top: 3px;
                bottom: 3px;
                width: 3px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .cta-box p {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 28px;
            }
            .team-card {
                flex: 0 0 200px;
                padding: 16px;
            }
            .hot-list-card {
                padding: 12px 14px;
            }
            .guide-card {
                padding: 18px 20px;
            }
            .service-item {
                padding: 14px 16px;
            }
            .match-card-title {
                font-size: 15px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header-text h1 {
                font-size: 23px;
            }
            .category-header-text p {
                font-size: 13px;
                line-height: 1.7;
            }
            .filter-label {
                font-size: 13px;
            }
            .filter-group {
                gap: 4px;
            }
            .filter-btn {
                padding: 4px 10px;
                font-size: 11px;
            }
            .match-card-body {
                padding: 12px 14px 14px;
            }
            .match-card-score {
                font-size: 17px;
            }
            .cta-box {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-box h2 {
                font-size: 19px;
            }
            .btn-kaiyun {
                padding: 10px 22px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                font-size: 13px;
            }
            .section-title-wrap h2 {
                font-size: 18px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

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

        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }

        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav>li {
            position: relative;
        }

        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }

        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 480px;
            max-width: 560px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
            padding: var(--space-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition);
            z-index: 1001;
        }

        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-block-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mega-block-title a {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }

        .mega-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mega-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mega-list li a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            background: var(--accent-soft);
            color: var(--accent);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
        }

        .mega-card:hover {
            background: var(--primary-softer);
        }

        .mega-card img {
            width: 56px;
            height: 42px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }

        .mega-card-info {
            display: flex;
            flex-direction: column;
            line-height: 1.35;
        }

        .mega-card-info strong {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 600;
        }

        .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: var(--space-sm);
            padding-top: var(--space-md);
        }

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

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

        .breadcrumb .sep {
            color: var(--border);
        }

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

        /* Page hero */
        .page-hero {
            padding: var(--space-lg) 0 var(--space-xl);
            background: linear-gradient(180deg, #fff 0%, var(--primary-softer) 100%);
            border-bottom: 1px solid var(--border-light);
            margin-bottom: var(--space-2xl);
        }

        .page-hero .hero-content {
            max-width: 720px;
        }

        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            line-height: 1.3;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .hero-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--space-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-full);
            background: var(--bg-white);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            box-shadow: 0 1px 3px rgba(47, 111, 237, 0.04);
        }

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

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-title {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin-bottom: var(--space-sm);
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        .section-header .section-title {
            margin-bottom: var(--space-xs);
        }

        /* Cards grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .card-grid.three-col {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
        }

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

        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 111, 237, 0.2);
        }

        .content-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--primary-softer);
        }

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

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

        .content-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            backdrop-filter: blur(4px);
        }

        .content-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .content-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            transition: color var(--transition);
        }

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

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

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 4px;
            border-top: 1px solid var(--border-light);
        }

        .content-card .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-card .card-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* Guide cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .guide-card .guide-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-soft);
            line-height: 1;
        }

        .guide-card .guide-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

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

        /* Hot list */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .hot-item .hot-rank {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .hot-item .hot-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hot-item .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hot-item .hot-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hot-item .hot-badge {
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--accent-soft);
            color: var(--accent);
        }

        /* Service guarantee */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .service-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

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

        .service-item .service-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .service-item .service-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .service-item .service-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(47, 111, 237, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            transition: all var(--transition);
        }

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

        .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: 14px;
            font-weight: 600;
            transition: all var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 22px 18px;
        }

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

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

        /* CTA */
        .cta-section {
            padding: var(--space-2xl) 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            margin: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

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

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

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: var(--space-xl) var(--space-lg);
        }

        .cta-inner h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.3px;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .btn-primary:hover {
            background: var(--primary-softer);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

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

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
        }

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

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

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-block {
            width: 100%;
        }

        /* More link */
        .more-link-wrap {
            text-align: center;
            margin-top: var(--space-lg);
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .more-link:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: var(--space-2xl) 0 var(--space-md);
            margin-top: var(--space-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: var(--space-md);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--primary);
            font-weight: 500;
        }

        .footer-bottom a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .mt-sm {
            margin-top: var(--space-xs);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav>li>a {
                padding: 10px 12px;
                font-size: 14px;
            }

            .mega-panel {
                min-width: 400px;
                max-width: 480px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }

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

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

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

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                height: 60px;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-wrapper {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--space-md) var(--space-md) var(--space-lg);
                box-shadow: var(--shadow-hover);
                border-bottom: 1px solid var(--border-light);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
                z-index: 999;
            }

            .nav-wrapper.open {
                max-height: 80vh;
                overflow-y: auto;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                width: 100%;
            }

            .main-nav>li {
                width: 100%;
            }

            .main-nav>li>a {
                padding: 12px 16px;
                font-size: 15px;
                justify-content: space-between;
                width: 100%;
            }

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

            .mega-panel {
                position: static;
                transform: none;
                min-width: 0;
                max-width: none;
                grid-template-columns: 1fr;
                padding: var(--space-sm);
                box-shadow: none;
                border: none;
                background: var(--primary-softer);
                border-radius: var(--radius-sm);
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                margin-top: 4px;
            }

            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                display: grid;
                transform: none;
            }

            .main-nav>li>a.active+.mega-panel {
                display: grid;
            }

            .mega-card img {
                width: 48px;
                height: 36px;
            }

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

            .section-title {
                font-size: 20px;
            }

            .card-grid,
            .card-grid.two-col,
            .card-grid.three-col,
            .card-grid.four-col {
                grid-template-columns: 1fr;
            }

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

            .hot-list {
                grid-template-columns: 1fr;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

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

            .cta-section {
                border-radius: var(--radius-lg);
                margin: var(--space-xl) 0;
            }

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

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

            .hero-badge-list {
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 22px;
            }

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

            .section-title {
                font-size: 18px;
            }

            .card-grid .content-card .card-body {
                padding: 14px 16px 16px;
            }

            .content-card .card-title {
                font-size: 15px;
            }

            .hot-item {
                padding: 12px 14px;
                gap: 10px;
            }

            .hot-item .hot-rank {
                font-size: 18px;
                width: 26px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }

            .cta-inner {
                padding: var(--space-lg) var(--space-md);
            }

            .logo .logo-text {
                font-size: 17px;
            }

            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #2F6FED;
            --primary-dark: #2458c9;
            --primary-light: #4A8BEF;
            --primary-soft: #EAF1FD;
            --primary-softer: #F5F8FC;
            --accent: #F59E0B;
            --accent-soft: #FFF7E8;
            --text-primary: #1A2B3E;
            --text-secondary: #4A5B6E;
            --text-muted: #7A8A9E;
            --border: #D9E2F0;
            --border-light: #E7EEF7;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --shadow-card: 0 2px 8px rgba(47, 111, 237, 0.06), 0 8px 24px rgba(47, 111, 237, 0.08);
            --shadow-hover: 0 6px 20px rgba(47, 111, 237, 0.12), 0 12px 32px rgba(47, 111, 237, 0.14);
            --shadow-nav: 0 1px 2px rgba(47, 111, 237, 0.04), 0 4px 16px rgba(47, 111, 237, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --space-xs: 8px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container: 1200px;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-page);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: 0;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--space-md);
        }
        .logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            color: var(--primary);
            line-height: 1.2;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }
        .logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .logo .logo-text span {
            color: var(--primary);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav>li {
            position: relative;
        }
        .main-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .main-nav>li>a:hover,
        .main-nav>li>a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-caret {
            font-size: 10px;
            transition: transform var(--transition);
            opacity: 0.6;
        }
        .main-nav>li:hover .nav-caret,
        .main-nav>li:focus-within .nav-caret {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
            padding: var(--space-md);
            min-width: 520px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            z-index: 1001;
        }
        .main-nav>li:hover .mega-panel,
        .main-nav>li:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(4px);
        }
        .mega-block-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .mega-block-title a {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }
        .mega-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mega-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mega-list li a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .mega-list .tag {
            font-size: 11px;
            background: var(--accent-soft);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }
        .mega-card {
            display: flex;
            gap: 10px;
            background: var(--primary-softer);
            border-radius: var(--radius-sm);
            padding: 8px;
            align-items: center;
            transition: all var(--transition);
        }
        .mega-card:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .mega-card img {
            width: 48px;
            height: 48px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .mega-card-info strong {
            display: block;
            font-size: 13px;
            color: var(--text-primary);
        }
        .mega-card-info span {
            font-size: 12px;
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fff;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* Category Header */
        .category-header {
            background: linear-gradient(180deg, #EAF1FD 0%, #F5F8FC 100%);
            border-bottom: 1px solid var(--border-light);
            padding: var(--space-xl) 0 var(--space-lg);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: var(--space-md);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--space-sm);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.9;
            margin: 0;
        }
        .category-meta {
            display: flex;
            gap: var(--space-md);
            margin-top: var(--space-md);
            flex-wrap: wrap;
        }
        .category-meta span {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-meta .dot {
            width: 5px;
            height: 5px;
            background: var(--primary-light);
            border-radius: 50%;
            display: inline-block;
        }

        /* Main Content */
        .main-content {
            padding: var(--space-xl) 0 var(--space-2xl);
        }
        .section-block {
            margin-bottom: var(--space-2xl);
        }
        .section-block:last-child {
            margin-bottom: 0;
        }
        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.3px;
            position: relative;
            padding-left: 16px;
        }
        .section-heading h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-heading .heading-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }
        .section-heading .heading-link:hover {
            text-decoration: underline;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            background: #fff;
            padding: var(--space-sm) var(--space-md);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            margin-bottom: var(--space-lg);
        }
        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .filter-bar .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }
        .filter-bar .filter-tag {
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 13px;
            background: var(--primary-softer);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .filter-bar .filter-tag:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--border);
        }
        .filter-bar .filter-tag.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-bar .filter-sort {
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            white-space: nowrap;
        }

        /* Topic List */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        .topic-card {
            display: flex;
            gap: var(--space-md);
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .topic-card .topic-img {
            width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-soft);
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card .topic-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            min-width: 0;
        }
        .topic-card .topic-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .topic-card:hover .topic-title {
            color: var(--primary);
        }
        .topic-card .topic-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .topic-card .topic-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .topic-card .topic-meta .badge {
            background: var(--primary-soft);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 500;
        }
        .topic-card .topic-meta .badge-hot {
            background: #FEF2F2;
            color: #DC2626;
        }
        .topic-card .topic-stats {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .topic-card .topic-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* List More */
        .list-more {
            display: flex;
            justify-content: center;
            margin-top: var(--space-lg);
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            background: #fff;
        }
        .btn-more:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        /* Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .guide-card .guide-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: var(--space-sm);
        }
        .guide-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--space-xs);
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Hot Topics */
        .hot-topic-list {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .hot-topic-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .hot-topic-item:last-child {
            border-bottom: 0;
        }
        .hot-topic-item:hover {
            padding-left: 8px;
        }
        .hot-rank {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            background: var(--primary-softer);
            color: var(--text-muted);
        }
        .hot-rank.rank-1 {
            background: #FEF2F2;
            color: #DC2626;
        }
        .hot-rank.rank-2 {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .hot-rank.rank-3 {
            background: #F0FDF4;
            color: #16A34A;
        }
        .hot-topic-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-topic-item .hot-name {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .hot-topic-item .hot-desc {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .hot-topic-item .hot-count {
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: #fff;
            transition: all var(--transition);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .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: 14px;
            transition: transform var(--transition);
        }
        .faq-answer {
            padding: 0 var(--space-lg) var(--space-md);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .guarantee-card {
            display: flex;
            gap: var(--space-sm);
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            align-items: flex-start;
        }
        .guarantee-card .guarantee-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }
        .guarantee-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #EAF1FD 0%, #F5F8FC 50%, #EEF3FA 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--space-xs);
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 var(--space-lg);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(47, 111, 237, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: var(--space-2xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--space-sm);
        }
        .footer-brand .footer-logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--space-sm);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-bottom .mt-sm {
            margin-top: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .mega-panel {
                min-width: 400px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-wrapper {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: var(--space-md);
                gap: var(--space-xs);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-hover);
                display: none;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            .nav-wrapper.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .main-nav>li {
                width: 100%;
            }
            .main-nav>li>a {
                padding: 12px 16px;
                justify-content: space-between;
                width: 100%;
            }
            .main-nav>li>a.active::after {
                display: none;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: 0;
                padding: 0 0 0 16px;
                grid-template-columns: 1fr;
                display: none;
            }
            .main-nav>li:hover .mega-panel,
            .main-nav>li:focus-within .mega-panel {
                transform: none;
                display: grid;
            }
            .nav-toggle {
                display: flex;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .category-desc {
                font-size: 15px;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                flex-direction: column;
                gap: var(--space-sm);
            }
            .topic-card .topic-img {
                width: 100%;
                height: 140px;
            }
            .topic-card .topic-stats {
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: var(--space-lg) var(--space-md);
            }
            .cta-section h2 {
                font-size: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .section-heading h2 {
                font-size: 18px;
                padding-left: 12px;
            }
            .section-heading h2::before {
                height: 18px;
                width: 3px;
            }
            .topic-card {
                padding: var(--space-sm);
            }
            .topic-card .topic-title {
                font-size: 15px;
                white-space: normal;
            }
            .topic-card .topic-excerpt {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }
            .guide-card {
                padding: var(--space-md);
            }
            .faq-question {
                padding: var(--space-sm) var(--space-md);
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 var(--space-md) var(--space-sm);
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}