/* roulang page: index */
:root {
            --primary: #1F6FEB;
            --primary-hover: #1858c0;
            --primary-light: #e8f0fe;
            --accent: #00C3A6;
            --accent-amber: #F5A623;
            --bg: #F4F7FB;
            --bg-white: #FFFFFF;
            --title: #0A1F33;
            --text: #3A4A5C;
            --muted: #7A8AA3;
            --border: #E2E9F3;
            --divider: #EDF2F8;
            --shadow-sm: 0 2px 8px rgba(15, 43, 77, .06);
            --shadow-md: 0 4px 16px rgba(15, 43, 77, .10);
            --shadow-lg: 0 8px 24px rgba(15, 43, 77, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-faq: 8px;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: 180ms ease;
            --container: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select {
            font-family: var(--font-cn);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-tight {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, .25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(31, 111, 235, .35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(31, 111, 235, .2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            background: #f0f6ff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .3px;
            line-height: 1.5;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(0, 195, 166, .12);
            color: #009b87;
        }
        .badge-amber {
            background: rgba(245, 166, 35, .15);
            color: #c07f10;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--muted);
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(244, 247, 251, .62);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 43, 77, .08);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 12px rgba(15, 43, 77, .08);
            border-bottom: none;
        }
        .site-header.scrolled::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
            opacity: .7;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--title);
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0;
        }
        .logo span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 4px 0;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: width var(--transition);
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 32px;
            align-items: center;
            justify-content: center;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--title);
            border-radius: 1px;
            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);
        }
        .mobile-menu {
            display: none;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--divider);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 720px;
            padding-top: var(--header-height);
            display: flex;
            align-items: center;
            background: var(--bg);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            pointer-events: none;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 25% 30%, rgba(31, 111, 235, .08), transparent 55%),
                radial-gradient(ellipse at 75% 65%, rgba(0, 195, 166, .06), transparent 50%),
                radial-gradient(ellipse at 10% 85%, rgba(245, 166, 35, .04), transparent 40%);
            z-index: 0;
        }
        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(15, 43, 77, .035) 1px, transparent 1px);
            background-size: 28px 28px;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            width: 100%;
        }
        .hero-content {
            padding-bottom: 24px;
        }
        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }
        .hero-label .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .5;
                transform: scale(1.4);
            }
        }
        .hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -.5px;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-mini {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-mini .num {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat-mini .label {
            font-size: 13px;
            color: var(--muted);
        }
        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-board {
            background: rgba(255, 255, 255, .85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow-md);
        }
        .hero-board-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }
        .hero-board-header .live {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 12px;
        }
        .hero-board-header .live .pulse {
            width: 7px;
            height: 7px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        .hero-board-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .hero-board-card {
            background: #fff;
            border: 1px solid var(--divider);
            border-radius: 10px;
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-board-card .metric-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-board-card .metric-label {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }
        .hero-board-card .trend {
            font-size: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .trend.up {
            color: var(--accent);
        }
        .trend.flat {
            color: var(--accent-amber);
        }
        .trend.down {
            color: #e05b5b;
        }

        /* Hero pricing/对比选型 */
        .hero-pricing-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 4px;
        }
        .hero-price-card {
            background: #fff;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            padding: 16px 14px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            cursor: default;
        }
        .hero-price-card.recommended {
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(31, 111, 235, .22);
            transform: translateY(-4px);
            background: linear-gradient(135deg, #ffffff 60%, #f0f6ff 100%);
        }
        .hero-price-card .plan-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 6px;
        }
        .hero-price-card .plan-value {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .hero-price-card.recommended .plan-value {
            color: var(--primary);
            font-size: 26px;
        }
        .hero-price-card .plan-desc {
            font-size: 11px;
            color: var(--muted);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .hero-price-card .btn {
            width: 100%;
            padding: 7px 12px;
            font-size: 13px;
        }
        .hero-price-card .plan-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            position: absolute;
            top: -9px;
            left: 50%;
            transform: translateX(-50%);
            letter-spacing: .5px;
        }

        /* 指标看板 */
        .metrics-section {
            background: #fff;
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
            margin-bottom: 10px;
        }
        .metric-trend {
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 资料目录 */
        .directory-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .directory-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .directory-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .directory-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 31, 51, .65));
        }
        .directory-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .directory-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .directory-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .directory-card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }
        .directory-card-body .card-meta .count {
            font-weight: 600;
            color: var(--primary);
        }

        /* 价值点 / 服务矩阵 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .service-card-img {
            height: 150px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #e8f0fe;
        }
        .service-card-img .img-placeholder-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }
        .service-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 6px;
            line-height: 1.3;
        }
        .service-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .service-card-body .badge-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        /* 品牌介绍 */
        .brand-intro {
            background: var(--title);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .brand-intro::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(31, 111, 235, .2), transparent 50%),
                radial-gradient(ellipse at 15% 80%, rgba(0, 195, 166, .12), transparent 45%);
            pointer-events: none;
        }
        .brand-intro-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .brand-intro p {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .brand-intro .brand-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .brand-intro .brand-tags .badge {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 14px;
            font-size: 12px;
        }
        .brand-intro-visual {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
        }
        .brand-intro-visual .big-num {
            font-family: var(--font-num);
            font-size: 56px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -2px;
        }
        .brand-intro-visual .big-num span {
            color: var(--accent);
        }
        .brand-intro-visual .big-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        /* 结果对比 */
        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 16px;
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 16px;
            align-items: stretch;
        }
        .compare-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 18px 22px;
            transition: all var(--transition);
        }
        .compare-item.winner {
            background: rgba(0, 195, 166, .06);
            border-color: rgba(0, 195, 166, .3);
            box-shadow: 0 2px 10px rgba(0, 195, 166, .12);
        }
        .compare-item .compare-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: .5px;
            margin-bottom: 6px;
        }
        .compare-item.winner .compare-label {
            color: #009b87;
        }
        .compare-item .compare-desc {
            font-size: 14px;
            color: var(--text);
            line-height: 1.55;
        }
        .compare-item.winner .compare-desc {
            color: #00796b;
            font-weight: 500;
        }
        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 50%;
            font-weight: 700;
            font-size: 13px;
            color: var(--muted);
            align-self: center;
            flex-shrink: 0;
        }

        /* 资讯区 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-list-item {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            transition: all var(--transition);
        }
        .news-list-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(3px);
        }
        .news-list-item .news-index {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--border);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
            line-height: 1;
        }
        .news-list-item .news-content {
            flex: 1;
        }
        .news-list-item .news-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .news-list-item .news-content .news-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .news-side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .news-side-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 16px;
        }
        .news-side-card .side-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--divider);
            align-items: center;
        }
        .news-side-card .side-item:last-child {
            border-bottom: none;
        }
        .news-side-card .side-item .side-thumb {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            background-color: #e8f0fe;
        }
        .news-side-card .side-item .side-info h5 {
            font-size: 13px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.4;
            margin-bottom: 2px;
        }
        .news-side-card .side-item .side-info span {
            font-size: 11px;
            color: var(--muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-faq);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            background: #f7fafd;
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 280ms ease, padding 280ms ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px 22px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.75;
            max-width: 680px;
        }

        /* 转化表单 */
        .cta-form-section {
            background: var(--title);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(31, 111, 235, .25), transparent 55%),
                radial-gradient(ellipse at 85% 80%, rgba(0, 195, 166, .15), transparent 50%);
            pointer-events: none;
        }
        .cta-form-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-form-content h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-form-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-form-content .form-benefit-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-form-content .form-benefit-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            list-style: none;
        }
        .cta-form-content .form-benefit-list li .check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(0, 195, 166, .25);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px 28px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, .2);
        }
        .form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 6px;
        }
        .form-card .form-sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 22px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid #D7E3F2;
            border-radius: 8px;
            font-size: 15px;
            color: var(--title);
            background: #FBFCFE;
            transition: all var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 235, .12);
            background: #fff;
        }
        .form-group input.error {
            border-color: #e05b5b;
            box-shadow: 0 0 0 3px rgba(224, 91, 91, .1);
        }
        .form-error-msg {
            font-size: 12px;
            color: #e05b5b;
            margin-top: 4px;
            display: none;
        }
        .form-group .error-msg.visible {
            display: block;
        }
        .form-privacy {
            font-size: 12px;
            color: var(--muted);
            margin-top: 12px;
            line-height: 1.5;
        }
        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 6px;
        }
        .form-submit-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(31, 111, 235, .3);
        }
        .form-submit-btn:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background: #0d1a2b;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo span {
            color: #5b9cf5;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact li {
            display: flex;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 8px;
            align-items: flex-start;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 36px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .directory-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-inner {
                gap: 32px;
            }
            .cta-form-inner {
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 60px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-pricing-strip {
                grid-template-columns: 1fr;
            }
            .hero-price-card.recommended {
                transform: translateY(0);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-value {
                font-size: 26px;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .directory-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-inner {
                grid-template-columns: 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .compare-vs {
                width: 32px;
                height: 32px;
                font-size: 11px;
                margin: 0 auto;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-board-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-board-card .metric-value {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 24px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-mini .num {
                font-size: 18px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px 12px;
            }
            .metric-value {
                font-size: 22px;
            }
            .metric-label {
                font-size: 12px;
            }
            .hero-board {
                padding: 16px;
            }
            .hero-board-grid {
                grid-template-columns: 1fr;
            }
            .compare-item {
                padding: 14px 16px;
            }
            .form-card {
                padding: 24px 18px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F6FEB;
            --primary-hover: #1858c0;
            --primary-light: #e8f0fe;
            --accent: #00C3A6;
            --accent-amber: #F5A623;
            --bg: #F4F7FB;
            --bg-white: #FFFFFF;
            --title: #0A1F33;
            --text: #3A4A5C;
            --muted: #7A8AA3;
            --border: #E2E9F3;
            --divider: #EDF2F8;
            --shadow-sm: 0 2px 8px rgba(15, 43, 77, .06);
            --shadow-md: 0 4px 16px rgba(15, 43, 77, .10);
            --shadow-lg: 0 8px 24px rgba(15, 43, 77, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-faq: 8px;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: 180ms ease;
            --container: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button, input, select {
            font-family: var(--font-cn);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-tight {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, .25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(31, 111, 235, .35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(31, 111, 235, .2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            background: #f0f6ff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn:focus-visible, a:focus-visible, button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .3px;
            line-height: 1.5;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(0, 195, 166, .12);
            color: #009b87;
        }
        .badge-amber {
            background: rgba(245, 166, 35, .15);
            color: #c07f10;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--muted);
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            display: flex;
            align-items: center;
            background: rgba(244, 247, 251, .62);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 43, 77, .08);
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 77, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--title);
            letter-spacing: .5px;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 8px;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: color var(--transition), background var(--transition);
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(31, 111, 235, .06);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: background var(--transition);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--title);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger:hover {
            background: var(--primary-light);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 24px;
            z-index: 99;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu ul li a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            transition: background var(--transition), color var(--transition);
        }
        .mobile-menu ul li a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu ul li a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - Category Lead Capture */
        .hero-category {
            padding-top: calc(var(--header-height) + 48px);
            padding-bottom: 56px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(31, 111, 235, .08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-category-inner {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-category-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-pain {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 166, 35, .14);
            color: #b06e00;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            width: fit-content;
        }
        .hero-pain::before {
            content: '•';
            font-size: 18px;
            line-height: 1;
            color: var(--accent-amber);
        }
        .hero-category h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.2;
            margin: 0;
        }
        .hero-category h1 .highlight {
            color: var(--primary);
        }
        .hero-sub {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 520px;
            margin: 0;
        }
        .hero-form-mini {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            max-width: 520px;
        }
        .hero-form-mini .form-group {
            flex: 1;
            min-width: 150px;
        }
        .hero-form-mini label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 4px;
        }
        .hero-form-mini select,
        .hero-form-mini input {
            width: 100%;
            padding: 10px 14px;
            border: 1.5px solid #D7E3F2;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--text);
            background: #F9FBFF;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .hero-form-mini select:focus,
        .hero-form-mini input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 235, .12);
        }
        .hero-form-mini .btn {
            flex-shrink: 0;
        }
        .hero-form-mini .privacy-note {
            width: 100%;
            font-size: 12px;
            color: var(--muted);
            margin: 4px 0 0;
        }
        .hero-category-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .metric-mini-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .metric-mini-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-mini-card .metric-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .metric-mini-card .metric-label {
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
        }
        .metric-mini-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
        }
        .trend-up {
            color: var(--accent);
        }
        .trend-down {
            color: #E5484D;
        }
        .trend-flat {
            color: var(--muted);
        }

        /* Main content area with sidebar */
        .main-content {
            padding: 56px 0 80px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* Article list cards */
        .entry-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .entry-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .entry-card-img {
            flex: 0 0 260px;
            min-height: 160px;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
            position: relative;
            overflow: hidden;
        }
        .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .entry-card-body {
            flex: 1;
            padding: 20px 24px 20px 8px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .entry-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.3;
            margin: 0;
        }
        .entry-card-body h3 a:hover {
            color: var(--primary);
        }
        .entry-card-body .entry-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .entry-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted);
        }
        .entry-meta .meta-sep {
            color: var(--border);
        }
        .entry-meta .badge {
            font-size: 11px;
            padding: 2px 10px;
        }
        .pagination-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
        }
        .pagination-row .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            border-radius: 6px;
            border: 1px solid var(--border);
            background: var(--bg-white);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
        }
        .pagination-row .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .pagination-row .page-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .pagination-row .page-btn:disabled {
            opacity: .4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .sidebar-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--divider);
        }
        .hot-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hot-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text);
            transition: color var(--transition);
            cursor: pointer;
        }
        .hot-list li:hover {
            color: var(--primary);
        }
        .hot-list .hot-rank {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mini-metric-box {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .mini-metric-box .mm-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mm-row .mm-label {
            font-size: 14px;
            color: var(--muted);
        }
        .mm-row .mm-value {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .mm-row .mm-value .unit {
            font-size: 12px;
            color: var(--muted);
            font-weight: 500;
            margin-left: 2px;
        }

        /* Brand intro */
        .brand-intro {
            padding: 64px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }
        .brand-intro-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-inner .brand-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--title);
            margin: 0 0 16px;
        }
        .brand-intro-inner .brand-text p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin: 0 0 12px;
        }
        .brand-intro-inner .brand-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 260px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-intro-inner .brand-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* CTA band */
        .cta-band {
            padding: 72px 0;
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, .06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-band-inner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .cta-band-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin: 0 auto 28px;
            max-width: 560px;
            line-height: 1.7;
        }
        .cta-band-inner .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
        }
        .cta-band-inner .btn-white:hover {
            background: #f0f6ff;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #0A1626;
            color: #fff;
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, .9);
            margin: 0 0 16px;
            letter-spacing: .5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact li span {
            font-weight: 600;
            color: rgba(255, 255, 255, .8);
            min-width: 42px;
        }
        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-category-right {
                grid-template-columns: repeat(2, 1fr);
                max-width: 480px;
            }
            .content-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 280px;
            }
            .brand-intro-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero-category {
                padding-top: calc(var(--header-height) + 24px);
                padding-bottom: 40px;
            }
            .hero-category h1 {
                font-size: 28px;
            }
            .hero-form-mini {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-form-mini .form-group {
                min-width: 100%;
            }
            .hero-form-mini .btn {
                width: 100%;
            }
            .entry-card {
                flex-direction: column;
            }
            .entry-card-img {
                flex-basis: auto;
                min-height: 180px;
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }
            .entry-card-body {
                padding: 16px 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .sidebar {
                flex-direction: column;
            }
            .sidebar-card {
                min-width: auto;
            }
            .cta-band-inner h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 24px;
            }
            .hero-category-right {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .metric-mini-card .metric-num {
                font-size: 22px;
            }
            .entry-card-body h3 {
                font-size: 17px;
            }
            .container {
                padding: 0 16px;
            }
            .cta-band-inner h2 {
                font-size: 21px;
            }
            .hero-form-mini {
                padding: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F6FEB;
            --primary-hover: #1858c0;
            --primary-light: #e8f0fe;
            --accent: #00C3A6;
            --accent-amber: #F5A623;
            --bg: #F4F7FB;
            --bg-white: #FFFFFF;
            --title: #0A1F33;
            --text: #3A4A5C;
            --muted: #7A8AA3;
            --border: #E2E9F3;
            --divider: #EDF2F8;
            --shadow-sm: 0 2px 8px rgba(15, 43, 77, .06);
            --shadow-md: 0 4px 16px rgba(15, 43, 77, .10);
            --shadow-lg: 0 8px 24px rgba(15, 43, 77, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-faq: 8px;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: 180ms ease;
            --container: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            margin: 0;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select {
            font-family: var(--font-cn);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 72px 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, .25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(31, 111, 235, .35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(31, 111, 235, .2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            background: #f0f6ff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .3px;
            line-height: 1.5;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(0, 195, 166, .12);
            color: #009b87;
        }
        .badge-amber {
            background: rgba(245, 166, 35, .15);
            color: #c07f10;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--muted);
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(244, 247, 251, .62);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 43, 77, .08);
            box-shadow: 0 2px 8px rgba(15, 43, 77, .04);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(15, 43, 77, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--title);
            white-space: nowrap;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(31, 111, 235, .06);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--title);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .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);
        }
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                background: rgba(255, 255, 255, .97);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(15, 43, 77, .1);
                display: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
        }
        /* Hero */
        .hero {
            padding: 56px 0 64px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: radial-gradient(ellipse at 20% 30%, rgba(31, 111, 235, .05) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 70%, rgba(0, 195, 166, .06) 0%, transparent 55%),
                        var(--bg);
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(rgba(15, 43, 77, .045) 1px, transparent 1px);
            background-size: 22px 22px;
            pointer-events: none;
            opacity: .5;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-title {
            font-size: 38px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-trial-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            transition: color var(--transition);
        }
        .hero-trial-link:hover {
            color: var(--primary-hover);
        }
        .hero-trial-link::after {
            content: '→';
            font-size: 18px;
            transition: transform var(--transition);
        }
        .hero-trial-link:hover::after {
            transform: translateX(4px);
        }
        .hero-main-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            transition: transform var(--transition);
        }
        .hero-main-card:hover {
            transform: translateY(-4px);
        }
        .hero-card-cover {
            height: 180px;
            background: linear-gradient(135deg, #1F6FEB 0%, #0A3D91 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .hero-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .85;
        }
        .hero-card-cover .cover-label {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(10, 31, 51, .7);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .4px;
            backdrop-filter: blur(6px);
        }
        .hero-card-body {
            padding: 24px 28px;
        }
        .hero-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            margin: 0 0 8px;
        }
        .hero-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0 0 16px;
        }
        .hero-card-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding-top: 14px;
            border-top: 1px solid var(--divider);
            font-size: 13px;
            color: var(--muted);
        }
        .hero-card-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-mini-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .mini-metric-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .mini-metric-card .metric-num {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .mini-metric-card .metric-label {
            font-size: 12px;
            color: var(--muted);
            margin-top: 4px;
        }
        /* Grid Cards Section */
        .grid-cards-section {
            background: var(--bg);
        }
        .grid-cards-wrapper {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-cover-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .grid-cover-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .grid-cover-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
        }
        .grid-cover-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .grid-cover-card:hover .grid-cover-media img {
            transform: scale(1.05);
        }
        .grid-cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 16px 12px;
            background: linear-gradient(to top, rgba(10, 31, 51, .82) 0%, rgba(10, 31, 51, .35) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .grid-cover-overlay .badge {
            margin-bottom: 8px;
        }
        .grid-cover-overlay h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.3;
            text-shadow: 0 1px 4px rgba(0, 0, 0, .3);
        }
        .grid-cover-info {
            padding: 14px 18px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
            flex-wrap: wrap;
            gap: 8px;
        }
        .grid-cover-info .info-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
        }
        .grid-cover-desc {
            padding: 0 18px 18px;
            font-size: 13px;
            color: var(--text);
            line-height: 1.6;
        }
        /* Compare Section */
        .compare-section {
            background: var(--bg-white);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }
        .compare-grid {
            display: grid;
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 16px;
            align-items: center;
        }
        .compare-item {
            background: #F8FAFD;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 18px 22px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.5;
            min-height: 68px;
            display: flex;
            align-items: center;
        }
        .compare-item.winner {
            background: rgba(0, 195, 166, .1);
            border-color: rgba(0, 195, 166, .3);
            font-weight: 600;
            color: var(--title);
        }
        .compare-item.winner .compare-tag {
            display: inline-block;
            margin-right: 8px;
            padding: 2px 8px;
            border-radius: 4px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .4px;
        }
        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .compare-dimension {
            text-align: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--title);
            margin-bottom: 16px;
        }
        /* Brand Intro */
        .brand-intro {
            background: var(--bg);
            padding: 56px 0 72px;
        }
        .brand-intro-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            max-width: 860px;
            margin: 0 auto;
        }
        .brand-intro-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            margin: 0 0 16px;
        }
        .brand-intro-card p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            margin: 0;
        }
        /* FAQ */
        .faq-section {
            background: var(--bg-white);
            border-top: 1px solid var(--divider);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            background: var(--bg-white);
            border-radius: var(--radius-faq);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item.open {
            border-left: 3px solid var(--primary);
            background: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            cursor: pointer;
            transition: background var(--transition);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(31, 111, 235, .04);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 14px;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text);
            line-height: 1.7;
            max-width: 92%;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0D2A5C 0%, #1F6FEB 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, .04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: rgba(0, 195, 166, .08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, .7);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* Form Section */
        .form-section {
            background: var(--bg);
            padding: 72px 0;
        }
        .form-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 40px;
            max-width: 900px;
            margin: 0 auto;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 8px;
        }
        .form-group input,
        .form-group select {
            padding: 12px 16px;
            border: 1.5px solid #D7E3F2;
            border-radius: var(--radius-btn);
            font-size: 15px;
            color: var(--text);
            background: var(--bg-white);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 111, 235, .12);
        }
        .form-group input::placeholder {
            color: #AAB8CC;
        }
        .form-submit-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .form-privacy {
            font-size: 12px;
            color: var(--muted);
            max-width: 400px;
            line-height: 1.5;
        }
        .form-error {
            font-size: 12px;
            color: #E5484D;
            margin-top: 6px;
            display: none;
        }
        .form-group.error input,
        .form-group.error select {
            border-color: #E5484D;
        }
        .form-group.error .form-error {
            display: block;
        }
        /* Footer */
        .site-footer {
            background: #0D2235;
            color: #fff;
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: .5px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--accent);
            color: #0D2235;
            font-size: 18px;
            font-weight: 700;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
        }
        .footer-contact li span {
            color: rgba(255, 255, 255, .4);
            font-size: 12px;
            min-width: 36px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                min-height: auto;
                padding: 48px 0 56px;
            }
            .hero-title {
                font-size: 30px;
            }
            .grid-cards-wrapper {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .compare-vs {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-mini-metrics {
                gap: 10px;
            }
            .grid-cards-wrapper {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .form-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .form-card {
                padding: 24px 20px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-title {
                font-size: 22px;
            }
            .hero-card-body {
                padding: 16px 18px;
            }
            .compare-item {
                font-size: 14px;
                padding: 14px 16px;
                min-height: auto;
            }
            .form-submit-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 23px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
            .grid-cover-overlay h3 {
                font-size: 15px;
            }
            .hero-card-cover {
                height: 140px;
            }
            .mini-metric-card .metric-num {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F6FEB;
            --primary-hover: #1858c0;
            --primary-light: #e8f0fe;
            --accent: #00C3A6;
            --accent-amber: #F5A623;
            --bg: #F4F7FB;
            --bg-white: #FFFFFF;
            --title: #0A1F33;
            --text: #3A4A5C;
            --muted: #7A8AA3;
            --border: #E2E9F3;
            --divider: #EDF2F8;
            --shadow-sm: 0 2px 8px rgba(15, 43, 77, .06);
            --shadow-md: 0 4px 16px rgba(15, 43, 77, .10);
            --shadow-lg: 0 8px 24px rgba(15, 43, 77, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-faq: 8px;
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
            --transition: 180ms ease;
            --container: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select {
            font-family: var(--font-cn);
            font-size: 16px;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-tight {
            padding: 56px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.25;
            margin-bottom: 16px;
            margin-top: 0;
        }
        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 40px;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(31, 111, 235, .25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(31, 111, 235, .35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(31, 111, 235, .2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            background: #f0f6ff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .3px;
            line-height: 1.5;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: rgba(0, 195, 166, .12);
            color: #009b87;
        }
        .badge-amber {
            background: rgba(245, 166, 35, .15);
            color: #c07f10;
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--muted);
        }
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(244, 247, 251, .62);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(15, 43, 77, .08);
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            border-bottom: 2px solid var(--primary);
            box-shadow: 0 2px 16px rgba(15, 43, 77, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--title);
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: .5px;
        }
        .logo-text em {
            font-style: normal;
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--primary-light);
        }
        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--title);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            transition: all var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav .btn {
            margin-top: 12px;
            width: 100%;
            justify-content: center;
        }

        /* Hero */
        .page-hero {
            padding-top: calc(var(--header-height) + 48px);
            padding-bottom: 56px;
            background: linear-gradient(180deg, #EDF3FC 0%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31, 111, 235, .08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.2;
            margin: 0 0 18px 0;
        }
        .hero-content h1 .highlight {
            color: var(--primary);
        }
        .hero-content .hero-sub {
            font-size: 17px;
            color: var(--text);
            line-height: 1.7;
            margin: 0 0 28px 0;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-side-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .hero-side-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .hero-side-card .metric-info {
            flex: 1;
        }
        .hero-side-card .metric-value {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-side-card .metric-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 2px;
        }

        /* Featured big card */
        .featured-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 360px;
        }
        .featured-card .featured-img {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .featured-card .featured-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(0deg, rgba(10, 31, 51, .5) 0%, transparent 100%);
            pointer-events: none;
        }
        .featured-card .featured-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }
        .featured-card .featured-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            margin: 0;
            line-height: 1.3;
        }
        .featured-card .featured-body p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            margin: 0;
        }
        .featured-card .featured-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .featured-card .featured-meta span {
            font-size: 13px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .featured-card .featured-meta span::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* Brand intro */
        .brand-intro {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px 36px;
            display: flex;
            gap: 28px;
            align-items: flex-start;
        }
        .brand-intro .brand-mark {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-intro .brand-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            margin: 0 0 10px 0;
        }
        .brand-intro .brand-text p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin: 0;
        }

        /* Ordered list */
        .ordered-list-section {
            background: transparent;
        }
        .ordered-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            counter-reset: history-item;
        }
        .ordered-item {
            counter-increment: history-item;
            display: grid;
            grid-template-columns: 64px 1fr auto;
            gap: 20px;
            padding: 24px 20px;
            border-bottom: 1px solid var(--divider);
            position: relative;
            transition: all var(--transition);
            border-radius: 0;
            background: transparent;
            cursor: default;
        }
        .ordered-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            background: transparent;
            border-radius: 3px;
            transition: background var(--transition);
        }
        .ordered-item:hover::before {
            background: var(--primary);
        }
        .ordered-item:hover {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-radius: var(--radius-card);
        }
        .ordered-item .item-number {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--border);
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition);
        }
        .ordered-item:hover .item-number {
            color: var(--primary);
        }
        .ordered-item .item-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title);
            margin: 0 0 6px 0;
            line-height: 1.4;
        }
        .ordered-item .item-content p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }
        .ordered-item .item-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .trend-up {
            color: var(--accent);
        }
        .trend-flat {
            color: var(--muted);
        }
        .trend-down {
            color: #e05c5c;
        }
        .trend-arrow {
            font-size: 16px;
        }

        /* CTA */
        .cta-band {
            background: var(--title);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-band .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px 0;
        }
        .cta-band .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            margin: 0;
        }
        .cta-band .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-band .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .cta-band .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .5);
        }
        .cta-band .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        /* Footer */
        .site-footer {
            background: #0A1F33;
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 24px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
        }
        .footer-logo .logo-icon {
            background: var(--accent);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px 0;
            letter-spacing: .5px;
        }
        .footer-col ul li {
            list-style: none;
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 10px;
        }
        .footer-contact li span {
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
            flex-shrink: 0;
        }
        .footer-bottom {
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 300px;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .featured-img {
                min-height: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 4px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-side-card {
                flex: 1;
                min-width: 140px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .page-hero {
                paddingtop: calc(var(--header-height) + 24px);
                padding-bottom: 40px;
            }
            .featured-card .featured-body {
                padding: 24px 20px;
            }
            .featured-card .featured-img {
                min-height: 200px;
            }
            .ordered-item {
                grid-template-columns: 48px 1fr;
                gap: 12px;
                padding: 20px 12px;
            }
            .ordered-item .item-trend {
                grid-column: 2;
                justify-self: start;
            }
            .cta-band {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-band .cta-actions {
                justify-content: center;
            }
            .brand-intro {
                flex-direction: column;
                gap: 16px;
                padding: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 { font-size: 24px; }
            .section-title { font-size: 24px; }
            .btn-lg { padding: 14px 28px; font-size: 15px; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-side { flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .section { padding: 56px 0; }
        }

/* roulang page: category4 */
:root {
    --primary: #1F6FEB;
    --primary-hover: #1858c0;
    --primary-light: #e8f0fe;
    --accent: #00C3A6;
    --accent-amber: #F5A623;
    --bg: #F4F7FB;
    --bg-white: #FFFFFF;
    --title: #0A1F33;
    --text: #3A4A5C;
    --muted: #7A8AA3;
    --border: #E2E9F3;
    --divider: #EDF2F8;
    --shadow-sm: 0 2px 8px rgba(15, 43, 77, .06);
    --shadow-md: 0 4px 16px rgba(15, 43, 77, .10);
    --shadow-lg: 0 8px 24px rgba(15, 43, 77, .12);
    --radius-card: 12px;
    --radius-btn: 8px;
    --radius-faq: 8px;
    --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-num: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
    --transition: 180ms ease;
    --container: 1200px;
    --header-height: 72px;
}

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

body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

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

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

button,
input,
select {
    font-family: var(--font-cn);
    font-size: 16px;
    outline: none;
}

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

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

.section {
    padding: 80px 0;
}

.section-tight {
    padding: 56px 0;
}

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--title);
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--muted);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 40px;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    cursor: pointer;
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(31, 111, 235, .25);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 16px rgba(31, 111, 235, .35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(31, 111, 235, .2);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
    box-shadow: none;
}

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

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

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

.btn-white:hover {
    background: #f0f6ff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

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

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .3px;
    line-height: 1.5;
}

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

.badge-accent {
    background: rgba(0, 195, 166, .12);
    color: #009b87;
}

.badge-amber {
    background: rgba(245, 166, 35, .15);
    color: #c07f10;
}

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

.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

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

/* Header / Navigation */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    background: rgba(244, 247, 251, .62);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 43, 77, .08);
    transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.scrolled {
    background: #FFFFFF;
    box-shadow: 0 2px 16px rgba(15, 43, 77, .08);
    border-bottom: 2px solid var(--primary);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 24px;
    max-width: var(--container);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: var(--title);
    letter-spacing: .5px;
    flex-shrink: 0;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    list-style: none;
}

.nav-links a {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    border-radius: 6px;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(31, 111, 235, .06);
}

.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
    background: rgba(31, 111, 235, .08);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    flex-shrink: 0;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-white);
    cursor: pointer;
    transition: all var(--transition);
}

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

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

/* Hero */
.hero {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 56px;
    min-height: 420px;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, rgba(31, 111, 235, .03) 0%, rgba(244, 247, 251, 0) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(31, 111, 235, .06) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 195, 166, .05) 0%, transparent 70%);
    pointer-events: none;
}

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

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

.hero-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--title);
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: .3px;
}

.hero-title .highlight {
    color: var(--primary);
    position: relative;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-note {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-note .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* Hero ticket wall */
.hero-tickets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    align-items: start;
}

.ticket-main {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F6FF 100%);
    border: 2px solid var(--primary);
    border-radius: 16px;
    padding: 24px 28px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

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

.ticket-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--primary);
    border-radius: 4px 0 0 4px;
}

.ticket-main .ticket-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.ticket-main .ticket-value {
    font-family: var(--font-num);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 6px;
}

.ticket-main .ticket-desc {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 16px;
}

.ticket-sub {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    text-align: left;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.ticket-sub:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.ticket-sub .ticket-icon {
    font-size: 22px;
    margin-bottom: 6px;
}

.ticket-sub .ticket-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: .5px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.ticket-sub .ticket-value {
    font-family: var(--font-num);
    font-size: 20px;
    font-weight: 700;
    color: var(--title);
    margin-bottom: 4px;
}

.ticket-sub .ticket-desc {
    font-size: 12px;
    color: var(--muted);
}

/* Dual column main section */
.dual-section {
    padding: 64px 0;
}

.dual-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 32px;
    align-items: start;
}

.dashboard-panel {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 28px 24px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.dashboard-panel h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dashboard-panel h3 .live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

.metric-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--divider);
}

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

.metric-item .metric-label {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 4px;
}

.metric-item .metric-value {
    font-family: var(--font-num);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.metric-item .metric-value .trend {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
}

.metric-item .metric-value .trend.down {
    color: var(--accent-amber);
}

.metric-item .metric-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.metric-progress {
    margin-top: 16px;
    padding: 14px;
    background: var(--primary-light);
    border-radius: 8px;
    text-align: center;
}

.metric-progress .progress-num {
    font-family: var(--font-num);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 4px;
}

.metric-progress .progress-text {
    font-size: 12px;
    color: var(--muted);
}

/* Timeline */
.timeline-panel {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 28px 24px;
}

.timeline-panel h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-list {
    position: relative;
    padding-left: 28px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--divider);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: 28px;
    padding-left: 20px;
    transition: all var(--transition);
    border-radius: 8px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(31, 111, 235, .15);
    z-index: 1;
}

.timeline-item.accent::before {
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 195, 166, .15);
}

.timeline-item:hover {
    background: rgba(31, 111, 235, .03);
    padding-left: 24px;
}

.timeline-item .timeline-date {
    font-family: var(--font-num);
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.timeline-item .timeline-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 4px;
}

.timeline-item .timeline-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
}

.timeline-item .timeline-badge {
    margin-top: 4px;
}

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

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

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

.feature-card .feature-img {
    height: 140px;
    background: #E8F0FE;
    position: relative;
    overflow: hidden;
}

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

.feature-card .feature-img .feature-icon {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, .92);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 10px;
}

/* Compare section */
.compare-section {
    background: var(--bg-white);
    border-top: 1px solid var(--divider);
    border-bottom: 1px solid var(--divider);
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: start;
    margin-top: 32px;
}

.compare-col {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
}

.compare-col.winner {
    background: rgba(0, 195, 166, .06);
    border-color: rgba(0, 195, 166, .3);
}

.compare-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 16px;
    text-align: center;
}

.compare-col.winner h4 {
    color: #009b87;
}

.compare-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider);
}

.compare-row:last-child {
    border-bottom: none;
}

.compare-row .compare-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--title);
    flex-shrink: 0;
    min-width: 72px;
}

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

.compare-row .compare-win {
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    font-size: 16px;
}

.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--title);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
    margin: auto 0;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

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

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

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

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

.faq-item .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--title);
    transition: all var(--transition);
    user-select: none;
}

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

.faq-item .faq-question .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--muted);
    transition: all var(--transition);
}

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

.faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    padding: 0 22px;
}

.faq-item.active .faq-answer {
    max-height: 240px;
    padding: 0 22px 18px;
    border-left: 3px solid var(--primary);
    margin-left: 22px;
    padding-left: 16px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #0A1F33 0%, #1F6FEB 100%);
    padding: 64px 0;
}

.cta-section .section-title {
    color: #fff;
}

.cta-section .section-desc {
    color: rgba(255, 255, 255, .7);
}

.cta-form {
    max-width: 560px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

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

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

.cta-form input,
.cta-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #D7E3F2;
    border-radius: var(--radius-btn);
    font-size: 15px;
    color: var(--text);
    background: #FAFCFF;
    transition: all var(--transition);
    box-sizing: border-box;
}

.cta-form input:focus,
.cta-form select:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(31, 111, 235, .1);
}

.cta-form input::placeholder {
    color: var(--muted);
    font-size: 14px;
}

.cta-form .form-submit {
    width: 100%;
    margin-top: 6px;
}

.cta-form .form-note {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    margin-top: 12px;
}

/* Brand intro section */
.brand-section {
    padding: 56px 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--divider);
}

.brand-card {
    background: linear-gradient(135deg, #F0F6FF 0%, #FAFCFF 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 36px 32px;
    max-width: 860px;
    margin: 0 auto;
}

.brand-card .brand-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--title);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-card .brand-title .logo-icon-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}

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

/* Footer */
.site-footer {
    background: #0A1F33;
    color: #fff;
    padding: 56px 0 24px;
    margin-top: 0;
}

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

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

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-col ul li a {
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
    transition: color var(--transition);
}

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

.footer-logo {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo .logo-icon {
    background: var(--accent);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 10px;
}

.footer-contact li span {
    font-weight: 600;
    color: rgba(255, 255, 255, .85);
    min-width: 36px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero {
        min-height: auto;
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .dual-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-panel {
        position: static;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, .98);
        padding: 16px 24px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        border-bottom: 2px solid var(--primary);
        z-index: 999;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links a {
        display: block;
        padding: 12px 16px;
        font-size: 15px;
    }
    .nav-cta {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 26px;
    }
    .hero-tickets {
        grid-template-columns: 1fr;
    }
    .ticket-main {
        grid-column: 1;
    }
    .section {
        padding: 56px 0;
    }
    .section-title {
        font-size: 24px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .compare-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .compare-vs {
        margin: 0 auto;
        transform: rotate(0);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .dual-grid {
        gap: 20px;
    }
}

@media (max-width: 520px) {
    .hero-tickets {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 22px;
    }
    .cta-form {
        padding: 24px 18px;
    }
    .container {
        padding: 0 16px;
    }
    .brand-card {
        padding: 24px 18px;
    }
}