/* roulang page: index */
:root {
            --color-primary: #2563EB;
            --color-primary-dark: #1D4ED8;
            --color-primary-light: #EFF4FA;
            --color-deep-blue: #1C3D5A;
            --color-accent-gold: #E6A23C;
            --color-bg-warm: #FAFBFC;
            --color-text-main: #1E293B;
            --color-text-secondary: #475569;
            --color-text-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-border-light: #F1F5F9;
            --color-success: #10B981;
            --color-danger: #E74C3C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-icon: 12px;
            --shadow-card: 0 1px 3px rgba(30, 58, 95, .06), 0 4px 16px rgba(30, 58, 95, .05);
            --shadow-hover: 0 2px 6px rgba(30, 58, 95, .08), 0 12px 32px rgba(30, 58, 95, .12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-num: 'Inter', 'DIN Alternate', 'Roboto Mono', monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background: var(--color-bg-warm);
            color: var(--color-text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 96px 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-deep-blue);
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-top: 12px;
            line-height: 1.7;
        }

        .gold-rule {
            display: block;
            width: 32px;
            height: 2px;
            background: var(--color-accent-gold);
            margin: 18px auto 0;
            border-radius: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: all .25s ease;
            border: 1px solid transparent;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, .28);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .18);
        }

        .btn-outline {
            background: #fff;
            border-color: #CBD5E1;
            color: var(--color-primary);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30, 58, 95, .06);
        }
        .btn-outline:active {
            transform: translateY(0);
            background: var(--color-primary-light);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-gold {
            background: var(--color-accent-gold);
            color: var(--color-deep-blue);
            font-weight: 700;
            padding: 16px 40px;
            font-size: 16px;
            border-radius: 12px;
        }
        .btn-gold:hover {
            background: #F0B34A;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 162, 60, .35);
        }
        .btn-gold:focus-visible {
            outline: 2px solid var(--color-accent-gold);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(230, 162, 60, .22);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            height: 72px;
            box-shadow: 0 4px 20px rgba(30, 58, 95, .06);
            border-bottom: 1px solid rgba(226, 232, 240, .5);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 28px;
        }

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

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(37, 99, 235, .25);
        }

        .logo-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--color-deep-blue);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo-text em {
            font-style: normal;
            color: var(--color-primary);
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            position: relative;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-primary-dark);
            background: #F1F5F9;
        }

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .hot-trigger {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all .2s;
            border: 1px solid transparent;
        }

        .hot-trigger:hover,
        .hot-trigger:focus-within {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .hot-trigger i {
            font-size: 11px;
            transition: transform .25s;
        }

        .hot-trigger:hover i {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            right: 0;
            top: calc(100% + 12px);
            width: 480px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--color-border);
            padding: 22px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all .25s ease;
            z-index: 1001;
            pointer-events: none;
        }

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

        .mega-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-muted);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: .5px;
        }

        .mega-col a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            color: var(--color-text-main);
            font-size: 14px;
            font-weight: 500;
            transition: all .2s;
        }

        .mega-col a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .mega-col a i {
            width: 28px;
            height: 28px;
            background: var(--color-primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
        }

        .mega-footer {
            grid-column: 1 / -1;
            background: var(--color-primary-light);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 13px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mega-footer i {
            color: var(--color-primary);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: var(--color-primary-light);
            position: relative;
            z-index: 2001;
        }

        .hamburger span {
            width: 18px;
            height: 2px;
            background: var(--color-deep-blue);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .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 {
            position: fixed;
            top: 0;
            right: -100%;
            width: 82%;
            max-width: 360px;
            height: 100vh;
            background: #fff;
            z-index: 2000;
            padding: 96px 28px 40px;
            transition: right .35s cubic-bezier(.4, 0, .2, 1);
            box-shadow: -12px 0 40px rgba(30, 58, 95, .12);
            overflow-y: auto;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-menu .mobile-nav-links a {
            display: block;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-main);
            transition: all .2s;
        }

        .mobile-menu .mobile-nav-links a:hover,
        .mobile-menu .mobile-nav-links a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .mobile-menu .mobile-hot {
            margin-top: 28px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 20px;
        }

        .mobile-menu .mobile-hot h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: .5px;
            margin-bottom: 12px;
        }

        .mobile-menu .mobile-hot a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

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

        .mobile-menu .mobile-hot a i {
            width: 30px;
            height: 30px;
            background: var(--color-primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
        }

        .mobile-cta {
            margin-top: 28px;
        }

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

        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, .5);
            z-index: 1999;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(2px);
        }

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

        /* Hero */
        .hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--color-bg-warm);
            overflow: hidden;
        }

        .hero-wrap {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 48px;
            align-items: center;
            min-height: 480px;
        }

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

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-kicker i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.28;
            color: var(--color-deep-blue);
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--color-primary);
            position: relative;
        }

        .hero h1 .gold {
            color: var(--color-accent-gold);
        }

        .hero-sub {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

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

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .hero-trust span i {
            color: var(--color-primary);
            font-size: 14px;
        }

        .hero-visual {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 380px;
        }

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

        .hero-shade {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(250, 251, 252, .95) 0%, rgba(250, 251, 252, .6) 40%, rgba(37, 99, 235, .08) 100%);
            mix-blend-mode: normal;
        }

        .hero-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(28, 61, 90, .85);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: 6px;
            z-index: 3;
        }

        .hero-badge i {
            color: var(--color-accent-gold);
        }

        /* Stats */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 36px 24px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 16px;
            position: relative;
        }

        .stat-item + .stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: var(--color-border-light);
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 800;
            color: var(--color-deep-blue);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-label {
            display: block;
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        .stat-line {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--color-accent-gold);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        /* News */
        .news-section {
            background: var(--color-bg-warm);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

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

        .news-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all .25s ease;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }

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

        .news-thumb {
            flex-shrink: 0;
            width: 132px;
            height: 96px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-border-light);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

        .news-body {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex: 1;
            min-width: 0;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .news-tag {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: .3px;
        }

        .news-time {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-num);
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s;
        }

        .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            border: 1px dashed var(--color-border);
            min-height: 260px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .news-empty i {
            font-size: 42px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }

        .news-empty p {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .news-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-deep-blue);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
        }

        .side-card h3::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--color-accent-gold);
            border-radius: 2px;
        }

        .side-link-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .side-link-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-main);
            transition: all .2s;
        }

        .side-link-list a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .side-link-list a i {
            width: 28px;
            height: 28px;
            background: var(--color-primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
        }

        .side-recommend {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .side-rec-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 8px;
            border-radius: 12px;
            transition: background .2s;
        }

        .side-rec-item:hover {
            background: var(--color-primary-light);
        }

        .side-rec-item img {
            width: 56px;
            height: 56px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-border-light);
        }

        .side-rec-item h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-main);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .side-rec-item span {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-num);
            display: block;
            margin-top: 2px;
        }

        /* Compare Table */
        .compare-section {
            background: #fff;
        }

        .compare-wrap {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
        }

        .compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            font-size: 14px;
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }

        .compare-table th {
            background: #F8FAFC;
            font-weight: 700;
            font-size: 15px;
            color: var(--color-text-main);
            padding-top: 22px;
            padding-bottom: 22px;
        }

        .compare-table th .plan-sub {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .compare-table th .plan-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            margin-top: 6px;
            letter-spacing: .5px;
        }

        .compare-table th.gold-col .plan-badge {
            background: var(--color-accent-gold);
            color: #fff;
        }

        .compare-table td {
            color: var(--color-text-secondary);
        }

        .compare-table td:first-child {
            font-weight: 600;
            color: var(--color-text-main);
            text-align: left;
            font-size: 14px;
        }

        .compare-table tr:hover td {
            background: #F0F6FF;
        }

        .compare-table tr:hover td:first-child {
            box-shadow: inset 3px 0 0 var(--color-primary);
        }

        .compare-table .icon-yes {
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(16, 185, 129, .12);
            color: var(--color-success);
            font-size: 12px;
        }

        .compare-table .icon-no {
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(231, 76, 60, .1);
            color: var(--color-danger);
            font-size: 12px;
        }

        .compare-scroll {
            overflow-x: auto;
        }

        /* Level Cards */
        .levels-section {
            background: var(--color-primary-light);
        }

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

        .level-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            position: relative;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
        }

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

        .level-card.featured {
            border: 2px solid var(--color-accent-gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-16px);
            background: linear-gradient(180deg, #fff 0%, #FFFDF8 100%);
        }

        .level-card.featured:hover {
            transform: translateY(-18px);
            box-shadow: 0 8px 40px rgba(230, 162, 60, .18);
        }

        .level-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-deep-blue);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            letter-spacing: .8px;
            white-space: nowrap;
        }

        .level-card.featured .level-badge {
            background: var(--color-accent-gold);
            color: var(--color-deep-blue);
        }

        .level-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-deep-blue);
            text-align: center;
            margin-top: 4px;
        }

        .level-role {
            text-align: center;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .level-benefit-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            flex: 1;
            margin: 16px 0 24px;
        }

        .level-benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .level-benefit-list li .benefit-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 14px;
            flex-shrink: 0;
        }

        .level-card.featured .level-benefit-list li .benefit-icon {
            background: rgba(230, 162, 60, .12);
            color: var(--color-accent-gold);
        }

        .level-footer {
            padding-top: 18px;
            border-top: 1px solid var(--color-border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .level-footer .level-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: var(--color-primary-light);
            padding: 4px 12px;
            border-radius: 999px;
        }

        .level-card.featured .level-footer .level-tag {
            background: rgba(230, 162, 60, .12);
            color: var(--color-accent-gold);
        }

        .level-footer a {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }

        .level-footer a:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }

        /* Preview */
        .preview-section {
            background: var(--color-primary-light);
            padding-top: 0;
            margin-top: 0;
        }

        .preview-wrap {
            background: #fff;
            border-radius: 20px;
            padding: 32px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 32px;
            align-items: stretch;
        }

        .preview-main {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            min-height: 320px;
        }

        .preview-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .preview-main .preview-shade {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, .1) 0%, rgba(15, 23, 42, .65) 100%);
        }

        .preview-vip-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: linear-gradient(135deg, #E6A23C, #F0B34A);
            color: #fff;
            font-size: 12px;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 1px;
            box-shadow: 0 2px 12px rgba(230, 162, 60, .4);
            z-index: 2;
        }

        .preview-main .ls-icon {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            background: rgba(15, 23, 42, .5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            backdrop-filter: blur(4px);
            z-index: 2;
        }

        .preview-main .preview-caption {
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 20px;
            z-index: 2;
            color: #fff;
        }

        .preview-main .preview-caption h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .preview-main .preview-caption p {
            font-size: 13px;
            opacity: .85;
        }

        .preview-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            justify-content: space-between;
        }

        .preview-item {
            display: flex;
            gap: 16px;
            padding: 14px;
            border-radius: 14px;
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border-light);
            align-items: center;
            transition: all .2s;
        }

        .preview-item:hover {
            background: #fff;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        .preview-item img {
            width: 96px;
            height: 64px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-border-light);
        }

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

        .preview-item .preview-item-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }

        .preview-item .preview-item-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .preview-item .lock-small {
            width: 28px;
            height: 28px;
            background: var(--color-primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg-warm);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .2s;
        }

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

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-card);
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-main);
            cursor: pointer;
            transition: color .2s;
            border-left: 4px solid transparent;
        }

        .faq-item.open .faq-question {
            border-left-color: var(--color-primary);
        }

        .faq-question i {
            width: 22px;
            height: 22px;
            background: var(--color-border-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: all .3s ease;
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 20px 0 24px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-deep-blue);
            position: relative;
            overflow: hidden;
            padding: 88px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 320px;
            height: 320px;
            border-radius: 48px;
            background: rgba(230, 162, 60, .08);
            transform: rotate(45deg);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .12);
        }

        .cta-inner {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-price-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .cta-price-old {
            font-size: 16px;
            color: rgba(255, 255, 255, .5);
            text-decoration: line-through;
        }

        .cta-price-now {
            font-size: 44px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-accent-gold);
            line-height: 1;
            letter-spacing: -1px;
        }

        .cta-price-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-deep-blue);
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 14px;
            border-radius: 999px;
            color: #fff;
        }

        .cta-note {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            flex-wrap: wrap;
        }

        .cta-note i {
            margin-right: 5px;
            color: rgba(255, 255, 255, .4);
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep-blue);
            color: #CBD5E1;
            padding: 72px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text em {
            color: var(--color-accent-gold);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: all .2s;
            display: inline-flex;
            align-items: center;
        }

        .footer-col ul a:hover {
            color: #93C5FD;
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a:hover {
            color: rgba(255, 255, 255, .8);
        }

        /* Back to top */
        .back-top {
            position: fixed;
            right: 28px;
            bottom: 28px;
            width: 44px;
            height: 44px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 6px 20px rgba(37, 99, 235, .35);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .3s ease;
            z-index: 999;
        }

        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

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

        .back-top:focus-visible {
            outline: 3px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
                min-height: 0;
            }

            .hero-visual {
                height: 300px;
                max-width: 720px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-content {
                max-width: 680px;
            }

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

            .news-side {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

            .level-card {
                padding: 26px 20px;
            }

            .preview-wrap {
                grid-template-columns: 1fr;
            }

            .preview-main {
                min-height: 260px;
            }

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

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

            .section-head {
                margin-bottom: 32px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .main-nav {
                display: none;
            }

            .hot-trigger {
                display: none;
            }

            .nav-actions .btn-sm {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 48px 0;
            }

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

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

            .hero-actions .btn {
                width: calc(50% - 8px);
                justify-content: center;
                padding: 12px 16px;
                font-size: 14px;
            }

            .hero-visual {
                height: 220px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 24px;
            }

            .stat-item + .stat-item::before {
                display: none;
            }

            .stat-num {
                font-size: 26px;
            }

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

            .news-card {
                flex-direction: column;
                padding: 16px;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }

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

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

            .level-card.featured {
                transform: none;
                order: -1;
            }

            .level-card.featured:hover {
                transform: none;
            }

            .preview-wrap {
                padding: 20px;
                grid-template-columns: 1fr;
            }

            .preview-main {
                min-height: 200px;
            }

            .preview-item img {
                width: 80px;
                height: 54px;
            }

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

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

            .cta-inner h2 {
                font-size: 26px;
            }

            .cta-price-now {
                font-size: 32px;
            }

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

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

            .back-top {
                right: 16px;
                bottom: 16px;
                width: 38px;
                height: 38px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .hero-trust {
                gap: 12px;
            }

            .preview-item {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .footer-bottom {
                font-size: 12px;
                gap: 4px;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #EFF4FA;
    --color-deep-blue: #1C3D5A;
    --color-accent-gold: #E6A23C;
    --color-bg-warm: #FAFBFC;
    --color-text-main: #1E293B;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;
    --color-border: #E2E8F0;
    --color-success: #10B981;
    --color-danger: #E74C3C;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 1px 3px rgba(30,58,95,.06), 0 4px 16px rgba(30,58,95,.05);
    --shadow-hover: 0 2px 6px rgba(30,58,95,.08), 0 12px 32px rgba(30,58,95,.12);
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
    --font-num: 'Inter', 'DIN Alternate', 'Roboto Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.75; color: var(--color-text-main); background: var(--color-bg-warm); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style-position: inside; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 780px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 15px; font-weight: 600; padding: 12px 24px; border-radius: var(--radius-btn); border: none; cursor: pointer; transition: all .25s ease; font-family: var(--font-sans); line-height: 1.4; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); color: #fff; }
.btn-primary:active { transform: translateY(0); }
.btn-gold { background: var(--color-accent-gold); color: var(--color-deep-blue); font-weight: 700; }
.btn-gold:hover { background: #F0B34A; transform: translateY(-2px); color: var(--color-deep-blue); }
.btn-outline { background: #fff; border: 1px solid #CBD5E1; color: var(--color-primary); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-light); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid rgba(226,232,240,.8); transition: box-shadow .3s ease; }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(30,58,95,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 40px; height: 40px; border-radius: 12px; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; color: var(--color-primary); font-size: 18px; transition: background .2s; }
.logo:hover .logo-mark { background: rgba(37,99,235,.12); }
.logo-text { font-size: 20px; font-weight: 800; color: var(--color-deep-blue); letter-spacing: .5px; white-space: nowrap; }
.logo-text em { font-style: normal; color: var(--color-primary); }
.main-nav { display: flex; gap: 4px; align-items: center; }
.nav-link { display: inline-block; padding: 8px 16px; font-size: 15px; font-weight: 500; color: var(--color-text-main); border-radius: 10px; transition: all .2s ease; position: relative; }
.nav-link:hover { color: var(--color-primary-dark); background: #F1F5F9; }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; background: var(--color-primary); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 40px; height: 40px; border: none; background: none; cursor: pointer; border-radius: 10px; padding: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--color-text-main); margin: 4px auto; transition: all .3s ease; }
.nav-toggle:hover span { background: var(--color-primary); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(3px, -3px); }

.breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--color-border); padding: 14px 0; }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; font-size: 14px; color: var(--color-text-muted); gap: 8px; list-style: none; }
.breadcrumb-list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb-list a { color: var(--color-text-secondary); transition: color .2s; }
.breadcrumb-list a:hover { color: var(--color-primary); }
.breadcrumb-list .sep { color: var(--color-text-muted); font-size: 12px; }
.breadcrumb-list .current { color: var(--color-text-main); font-weight: 500; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.article-header { padding: 64px 0 56px; background: linear-gradient(90deg, rgba(250,251,252,.96) 0%, rgba(250,251,252,.8) 55%, rgba(37,99,235,.08) 100%), url('/assets/images/backpic/back-2.webp') right center / 50% auto no-repeat; border-bottom: 1px solid rgba(226,232,240,.6); position: relative; overflow: hidden; }
.article-header::after { content: ''; position: absolute; right: 0; top: 0; width: 1px; height: 100%; background: linear-gradient(180deg, rgba(37,99,235,.06), rgba(37,99,235,.12)); }
.article-header-inner { max-width: 780px; position: relative; z-index: 2; }
.article-category { display: inline-block; background: rgba(37,99,235,.1); color: var(--color-primary); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 16px; }
.article-header h1 { font-size: 38px; font-weight: 800; line-height: 1.3; color: var(--color-deep-blue); margin-bottom: 20px; letter-spacing: .5px; }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 14px; color: var(--color-text-secondary); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.7); padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(226,232,240,.7); }
.article-meta i { color: var(--color-primary); font-size: 13px; }

.article-content-section { padding: 56px 0 24px; }
.article-body { font-size: 16px; line-height: 1.75; color: var(--color-text-main); word-break: break-word; }
.article-body h2 { font-size: 28px; font-weight: 700; color: var(--color-deep-blue); margin: 44px 0 16px; line-height: 1.4; }
.article-body h3 { font-size: 21px; font-weight: 700; color: var(--color-deep-blue); margin: 36px 0 12px; line-height: 1.4; }
.article-body p { margin-bottom: 24px; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--color-primary-dark); }
.article-body img { border-radius: 16px; box-shadow: var(--shadow-card); margin: 28px 0; width: 100%; height: auto; object-fit: cover; }
.article-body blockquote { border-left: 4px solid var(--color-primary); background: var(--color-primary-light); padding: 20px 24px; border-radius: 0 12px 12px 0; margin: 28px 0; color: var(--color-text-secondary); font-style: normal; }
.article-body blockquote p { margin-bottom: 0; }
.article-body ul, .article-body ol { margin: 0 0 24px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--color-primary); }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-card); }
.article-body th { background: var(--color-primary-light); font-weight: 600; color: var(--color-deep-blue); padding: 14px 18px; border: 1px solid var(--color-border); text-align: left; }
.article-body td { padding: 12px 18px; border: 1px solid var(--color-border); background: #fff; }
.article-body code { background: #F1F5F9; border-radius: 6px; padding: 2px 6px; font-size: 14px; color: var(--color-primary-dark); }
.article-body pre { background: var(--color-deep-blue); color: #E2E8F0; border-radius: 12px; padding: 20px; overflow-x: auto; margin: 24px 0; line-height: 1.6; }
.article-body pre code { background: none; color: inherit; padding: 0; font-size: 14px; }
.article-body hr { border: none; border-top: 1px solid var(--color-border); margin: 40px 0; }

.article-not-found { text-align: center; padding: 80px 24px; background: #F8FAFC; border-radius: var(--radius-card); border: 1px dashed var(--color-border); }
.article-not-found i { font-size: 52px; color: var(--color-text-muted); margin-bottom: 20px; display: block; }
.article-not-found p { font-size: 18px; font-weight: 600; color: var(--color-text-secondary); margin-bottom: 24px; }

.post-nav-section { padding: 24px 0 64px; }
.post-nav-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.post-nav-card { display: block; padding: 24px 28px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: all .25s ease; }
.post-nav-card:hover { box-shadow: var(--shadow-hover); border-color: var(--color-primary); transform: translateY(-2px); }
.post-nav-card.text-right { text-align: right; }
.post-nav-label { display: block; font-size: 13px; color: var(--color-text-muted); margin-bottom: 10px; letter-spacing: .5px; }
.post-nav-label i { font-size: 12px; }
.post-nav-title { display: block; font-size: 16px; font-weight: 600; color: var(--color-text-main); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.related-section { padding: 64px 0 72px; background: var(--color-primary-light); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--color-primary); background: rgba(37,99,235,.08); padding: 4px 16px; border-radius: 999px; margin-bottom: 12px; }
.section-title { font-size: 30px; font-weight: 700; color: var(--color-deep-blue); line-height: 1.3; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: all .25s ease; border: 1px solid var(--color-border); }
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.related-thumb { height: 180px; overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-info { padding: 20px; }
.related-info h3 { font-size: 16px; font-weight: 600; color: var(--color-text-main); margin-bottom: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover .related-info h3 { color: var(--color-primary); }
.related-time { font-size: 13px; color: var(--color-text-muted); font-family: var(--font-num); }
.back-to-cat { text-align: center; margin-top: 36px; }
.back-to-cat a { display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary); font-size: 15px; font-weight: 600; padding: 10px 20px; border-radius: 999px; background: #fff; border: 1px solid var(--color-border); transition: all .2s ease; }
.back-to-cat a:hover { border-color: var(--color-primary); box-shadow: var(--shadow-card); }

.cta-section { background: var(--color-deep-blue); padding: 72px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; right: -80px; top: -60px; width: 280px; height: 280px; border-radius: 50%; border: 3px solid rgba(230,162,60,.15); }
.cta-section::after { content: ''; position: absolute; left: -40px; bottom: -80px; width: 180px; height: 180px; border-radius: 50%; border: 2px solid rgba(37,99,235,.15); }
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; line-height: 1.3; }
.cta-section p { color: #94A3B8; font-size: 16px; margin-bottom: 32px; }
.price-anchor { display: block; margin-bottom: 36px; }
.price-anchor .price-old { font-size: 16px; color: #64748B; text-decoration: line-through; margin-right: 12px; }
.price-anchor .price-now { font-size: 38px; font-weight: 800; color: var(--color-accent-gold); font-family: var(--font-num); }
.price-anchor .price-unit { display: inline-block; font-size: 13px; color: var(--color-deep-blue); background: rgba(255,255,255,.1); border-radius: 999px; padding: 4px 12px; vertical-align: middle; margin-left: 8px; }
.cta-note { font-size: 14px; color: #94A3B8; margin-top: 20px; opacity: .8; }

.site-footer { background: var(--color-deep-blue); color: #CBD5E1; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-mark { background: rgba(255,255,255,.08); color: var(--color-accent-gold); }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text em { color: var(--color-accent-gold); }
.footer-brand p { font-size: 14px; color: #94A3B8; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: #94A3B8; font-size: 14px; transition: all .25s ease; display: inline-block; }
.footer-col a:hover { color: #93C5FD; padding-left: 3px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid #334155; font-size: 13px; color: #64748B; }
.footer-bottom a { color: #64748B; transition: color .2s; }
.footer-bottom a:hover { color: #93C5FD; }

@media (max-width: 1024px) {
    .article-header { background-position: 90% center; background-size: 65% auto; }
    .article-header h1 { font-size: 32px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .main-nav.mobile-open { display: flex; position: fixed; top: 72px; right: 0; bottom: 0; width: 80%; max-width: 340px; background: #fff; flex-direction: column; padding: 32px 24px; box-shadow: -4px 0 20px rgba(30,58,95,.1); z-index: 99; overflow-y: auto; }
    .main-nav.mobile-open .nav-link { padding: 14px 16px; font-size: 17px; width: 100%; }
    .main-nav.mobile-open .nav-link.active::after { display: none; }
    .main-nav.mobile-open .nav-link.active { background: var(--color-primary-light); }
    .nav-toggle { display: block; }
    .header-cta { display: none; }
    .article-header { padding: 48px 0 40px; background-size: cover; background-position: 70% center; }
    .article-header::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--color-bg-warm) 0%, rgba(250,251,252,.9) 70%); z-index: 1; }
    .article-header h1 { font-size: 28px; margin-bottom: 16px; }
    .article-meta { gap: 8px; }
    .article-meta span { font-size: 13px; padding: 3px 10px; }
    .article-content-section { padding: 40px 0 16px; }
    .post-nav-grid { grid-template-columns: 1fr; gap: 16px; }
    .related-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 26px; }
    .cta-section { padding: 56px 0; }
    .cta-section h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .logo-text { font-size: 18px; }
    .article-header h1 { font-size: 24px; }
    .article-meta span.full { width: 100%; }
    .btn { padding: 10px 18px; font-size: 14px; }
    .breadcrumb-list { font-size: 13px; }
    .breadcrumb-list .current { max-width: 140px; }
}

/* roulang page: category1 */
:root {
            --color-primary: #2563EB;
            --color-primary-dark: #1D4ED8;
            --color-primary-light: #EFF4FA;
            --color-deep-blue: #1C3D5A;
            --color-accent-gold: #E6A23C;
            --color-bg-warm: #FAFBFC;
            --color-text-main: #1E293B;
            --color-text-secondary: #475569;
            --color-text-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #E74C3C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(30, 58, 95, .06), 0 4px 16px rgba(30, 58, 95, .05);
            --shadow-hover: 0 2px 6px rgba(30, 58, 95, .08), 0 12px 32px rgba(30, 58, 95, .12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-num: 'Inter', 'DIN Alternate', 'Roboto Mono', monospace;
            --transition-fast: .2s ease;
            --transition-slow: .35s ease;
            --nav-height: 72px;
            --container-max: 1200px;
            --section-pad: 96px;
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: var(--color-deep-blue);
            font-weight: 700;
        }

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

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

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--color-deep-blue);
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .section-head .accent-line {
            display: block;
            width: 48px;
            height: 2px;
            background: var(--color-accent-gold);
            margin: 16px auto 0;
            border-radius: 2px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: #ffffff;
            border-bottom: 1px solid rgba(226, 232, 240, .7);
            box-shadow: 0 4px 20px rgba(30, 58, 95, .06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-deep-blue);
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            border-radius: 10px;
            font-size: 17px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 19px;
            line-height: 1.2;
        }

        .logo-text em {
            font-style: normal;
            color: var(--color-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-right: auto;
            margin-left: 32px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-link:hover {
            color: var(--color-primary-dark);
            background: #F1F5F9;
        }

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

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

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

        .mega-trigger {
            position: relative;
        }

        .mega-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-main);
            background: var(--color-primary-light);
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mega-btn i {
            color: var(--color-primary);
            font-size: 13px;
        }

        .mega-btn:hover {
            background: #E2E8F0;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 480px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-hover);
            padding: 20px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
            z-index: 1001;
        }

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

        .mega-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid #F1F5F9;
        }

        .mega-col a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 10px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-text-main);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mega-col a i {
            width: 22px;
            text-align: center;
            color: var(--color-primary);
            font-size: 15px;
        }

        .mega-col a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }

        .mega-col a em {
            font-style: normal;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-left: auto;
            font-family: var(--font-num);
        }

        .mega-footer {
            grid-column: 1 / -1;
            background: var(--color-primary-light);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 600;
            text-align: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            line-height: 1.5;
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .mega-btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .15);
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, .25);
        }

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

        .btn-outline {
            background: #fff;
            color: var(--color-primary);
            border-color: #CBD5E1;
        }

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

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

        .btn-gold {
            background: var(--color-accent-gold);
            color: var(--color-deep-blue);
            border-color: var(--color-accent-gold);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
        }

        .btn-gold:hover {
            background: #F0B34A;
            color: var(--color-deep-blue);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(230, 162, 60, .35);
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 5px;
            border-radius: 10px;
            background: var(--color-primary-light);
            transition: background var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-deep-blue);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-toggle:hover {
            background: #E2E8F0;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 2000;
            box-shadow: -8px 0 40px rgba(30, 58, 95, .15);
            transition: right var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: 24px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(30, 41, 59, .45);
            z-index: 1999;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-fast), visibility var(--transition-fast);
        }

        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }

        .drawer-head .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-deep-blue);
        }

        .drawer-head .logo-text em {
            font-style: normal;
            color: var(--color-primary);
        }

        .drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-text-secondary);
            background: var(--color-primary-light);
            transition: background var(--transition-fast);
        }

        .drawer-close:hover {
            background: #E2E8F0;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-link {
            display: flex;
            align-items: center;
            min-height: 50px;
            padding: 0 14px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-main);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

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

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

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(90deg, rgba(250, 251, 252, .95) 0%, rgba(250, 251, 252, .7) 50%, rgba(37, 99, 235, .08) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 80px 0;
            overflow: hidden;
        }

        .page-hero .container {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .hero-content {
            flex: 1 1 55%;
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 20px;
        }

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

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-deep-blue);
            margin-bottom: 16px;
        }

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

        .hero-content .hero-desc {
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin-bottom: 28px;
        }

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

        .hero-visual {
            flex: 0 0 45%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            min-height: 320px;
            background: var(--color-primary-light);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, .08) 0%, transparent 60%);
        }

        /* ===== Feature Section ===== */
        .feature-section {
            background: var(--color-bg-warm);
        }

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

        .feature-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 12px;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-deep-blue);
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--color-text-secondary);
        }

        /* ===== Sports Section ===== */
        .sports-section {
            background: var(--color-primary-light);
        }

        .sports-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }

        .sport-item {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            border: 1px solid transparent;
        }

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

        .sport-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 50%;
            font-size: 20px;
        }

        .sport-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .sport-item span {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ===== Quality Section ===== */
        .quality-section {
            background: var(--color-bg-warm);
        }

        .split-layout {
            display: flex;
            align-items: center;
            gap: 64px;
        }

        .split-text {
            flex: 1 1 55%;
        }

        .split-text h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-deep-blue);
            margin-bottom: 12px;
        }

        .split-text .intro {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .quality-list {
            display: grid;
            gap: 16px;
        }

        .quality-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .quality-item i {
            color: var(--color-primary);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
            width: 22px;
            text-align: center;
        }

        .quality-item strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .quality-item span {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .split-image {
            flex: 0 0 42%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

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

        .split-image .image-badge {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(28, 61, 90, .85);
            color: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            padding: 56px 0;
        }

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

        .stat-num {
            display: block;
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-deep-blue);
            line-height: 1.3;
        }

        .stat-item .accent-line {
            display: block;
            width: 32px;
            height: 2px;
            background: var(--color-accent-gold);
            margin: 10px auto 12px;
            border-radius: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        /* ===== Content Section ===== */
        .content-section {
            background: var(--color-primary-light);
        }

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

        .content-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

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

        .content-card .cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E2E8F0;
        }

        .content-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .content-card .cover .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(37, 99, 235, .92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .content-card .card-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--color-text-main);
            transition: color var(--transition-fast);
        }

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

        .content-card .summary {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .content-card .meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
            border-top: 1px solid #F1F5F9;
            padding-top: 14px;
        }

        .content-card .meta .time {
            font-family: var(--font-num);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-card .meta .time i {
            font-size: 12px;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--color-bg-warm);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 24px;
            align-items: start;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }

        .faq-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

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

        .faq-item.open::before {
            opacity: 1;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-main);
            cursor: pointer;
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
            background: none;
        }

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

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

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            transition: transform var(--transition-fast), background var(--transition-fast);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-deep-blue) 0%, #16304A 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(230, 162, 60, .08);
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-inner .btn-gold {
            margin-bottom: 16px;
        }

        .cta-inner .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .cta-inner .cta-note i {
            font-size: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-deep-blue);
            color: #CBD5E1;
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-text em {
            color: var(--color-accent-gold);
        }

        .footer-brand .logo-mark {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .2);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .footer-col ul {
            display: grid;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #CBD5E1;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
            display: inline-block;
        }

        .footer-col ul li a:hover {
            color: #93C5FD;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #64748B;
        }

        .footer-bottom a {
            color: #64748B;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #93C5FD;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 72px;
            }

            .main-nav {
                display: none;
            }

            .mega-trigger {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                padding: 64px 0;
            }

            .page-hero .container {
                flex-direction: column;
                gap: 40px;
            }

            .hero-content {
                max-width: 100%;
                text-align: center;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

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

            .hero-visual {
                flex: none;
                width: 100%;
                max-height: 320px;
            }

            .hero-visual img {
                min-height: 240px;
                max-height: 320px;
            }

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

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

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

            .split-layout {
                flex-direction: column;
                gap: 40px;
            }

            .split-text {
                flex: none;
            }

            .split-image {
                flex: none;
                width: 100%;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
                --nav-height: 64px;
            }

            .container {
                padding: 0 16px;
            }

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

            .header-actions .btn-primary {
                display: none;
            }

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

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

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

            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
                padding: 40px 0;
            }

            .stat-num {
                font-size: 26px;
            }

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

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

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

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

            .split-text h2 {
                font-size: 24px;
            }

            .split-image img {
                height: 280px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 28px;
            }

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

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

            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .sport-item {
                padding: 20px 12px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 32px 0;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .btn-gold {
                width: 100%;
            }

            .cta-inner .btn-gold {
                width: auto;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #2563EB;
            --color-primary-dark: #1D4ED8;
            --color-primary-light: #EFF4FA;
            --color-deep-blue: #1C3D5A;
            --color-accent-gold: #E6A23C;
            --color-bg-warm: #FAFBFC;
            --color-white: #FFFFFF;
            --color-text-main: #1E293B;
            --color-text-secondary: #475569;
            --color-text-weak: #94A3B8;
            --color-border: #E2E8F0;
            --color-success: #10B981;
            --color-danger: #E74C3C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 1px 3px rgba(30, 58, 95, .06), 0 4px 16px rgba(30, 58, 95, .05);
            --shadow-hover: 0 2px 6px rgba(30, 58, 95, .08), 0 12px 32px rgba(30, 58, 95, .12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-num: 'Inter', 'DIN Alternate', 'Roboto Mono', monospace;
            --spacing-section: 96px;
            --spacing-section-mobile: 56px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg-warm);
            color: var(--color-text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

        button {
            font-family: var(--font-sans);
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

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

        .section-deep {
            background: var(--color-deep-blue);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head .tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border: 1px solid transparent;
            transition: all .25s ease;
            line-height: 1.4;
            outline: none;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 2px var(--color-white), 0 0 0 4px var(--color-primary);
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: #fff;
            border: 1px solid #CBD5E1;
            color: var(--color-primary);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            background: var(--color-primary-light);
        }

        .btn-gold {
            background: var(--color-accent-gold);
            color: var(--color-deep-blue);
            font-weight: 700;
        }
        .btn-gold:hover {
            background: #F0B34A;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 162, 60, .35);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid rgba(226, 232, 240, .6);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            display: flex;
            align-items: center;
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30, 58, 95, .06);
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-deep-blue);
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--color-primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 17px;
        }

        .logo-text em {
            font-style: normal;
            color: var(--color-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 40px;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-main);
            border-radius: 10px;
            transition: all .2s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary-dark);
            background: #F1F5F9;
        }

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

        .nav-link.active::after {
            content: '';
            display: block;
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

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

        .nav-cta .btn {
            padding: 9px 20px;
            font-size: 14px;
        }

        .mega-trigger {
            position: relative;
        }

        .mega-trigger>button {
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-main);
            padding: 8px 14px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s ease;
        }

        .mega-trigger>button:hover {
            background: #F1F5F9;
            color: var(--color-primary-dark);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 16px);
            right: 0;
            width: 480px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all .25s ease;
            z-index: 90;
            border: 1px solid rgba(226, 232, 240, .6);
        }

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

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

        .mega-col h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-weak);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

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

        .mega-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-main);
            padding: 6px 8px;
            border-radius: 8px;
            transition: all .2s ease;
        }

        .mega-links a:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .mega-links i {
            width: 20px;
            color: var(--color-primary);
            font-size: 13px;
        }

        .mega-content-item {
            display: flex;
            gap: 10px;
            padding: 8px;
            border-radius: 10px;
            transition: background .2s ease;
        }

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

        .mega-content-item .thumb {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .mega-content-item .meta {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-main);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .mega-content-item .time {
            font-size: 12px;
            color: var(--color-text-weak);
            font-family: var(--font-num);
        }

        .mega-footer {
            margin-top: 16px;
            background: var(--color-primary-light);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            position: relative;
            z-index: 110;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-main);
            margin: 5px auto;
            border-radius: 2px;
            transition: all .3s ease;
        }

        .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: 0;
            right: -80%;
            width: 80%;
            height: 100vh;
            background: #fff;
            z-index: 100;
            padding: 96px 28px 40px;
            box-shadow: -4px 0 24px rgba(30, 58, 95, .1);
            transition: right .35s ease;
            overflow-y: auto;
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            border-radius: 10px;
        }

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

        .mobile-menu .nav-link.active::after {
            display: none;
        }

        /* ===== Hero ===== */
        .category-hero {
            background:
                linear-gradient(90deg, rgba(250, 251, 252, .97) 0%, rgba(250, 251, 252, .8) 55%, rgba(37, 99, 235, .1) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 80px 0 72px;
            position: relative;
            border-bottom: 1px solid rgba(226, 232, 240, .5);
        }

        .category-hero-inner {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .category-hero-content {
            flex: 1;
            max-width: 640px;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-deep-blue);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

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

        .category-hero h1 .highlight-gold {
            color: var(--color-accent-gold);
        }

        .category-hero p.lead {
            font-size: 18px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            gap: 28px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid rgba(226, 232, 240, .6);
        }

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

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

        .category-hero-visual {
            flex: 0 0 360px;
            position: relative;
        }

        .hero-card-stack {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            padding: 28px;
            border: 1px solid rgba(226, 232, 240, .5);
            position: relative;
            z-index: 2;
        }

        .hero-card-stack::before {
            content: '';
            position: absolute;
            top: 16px;
            left: 16px;
            right: 16px;
            bottom: -12px;
            background: rgba(37, 99, 235, .08);
            border-radius: 20px;
            z-index: -1;
        }

        .hero-card-stack .label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .hero-card-stack .tier-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid #F1F5F9;
        }

        .hero-card-stack .tier-row:last-child {
            border-bottom: none;
        }

        .tier-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-name .tier-badge {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .tier-name .tier-badge.gold {
            background: rgba(230, 162, 60, .12);
            color: var(--color-accent-gold);
        }

        .tier-price {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-main);
        }

        .tier-price small {
            font-size: 12px;
            color: var(--color-text-weak);
            font-weight: 400;
        }

        .hero-card-stack .note {
            margin-top: 16px;
            font-size: 13px;
            color: var(--color-text-weak);
            background: var(--color-bg-warm);
            border-radius: 10px;
            padding: 10px 14px;
            text-align: center;
        }

        /* ===== Stats strip ===== */
        .stats-strip {
            background: #fff;
            border-bottom: 1px solid rgba(226, 232, 240, .5);
            padding: 32px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

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

        .stat-number {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-deep-blue);
            line-height: 1.2;
        }

        .stat-number::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-accent-gold);
            margin: 10px auto 0;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 10px;
        }

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

        .tier-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            padding: 36px 32px;
            position: relative;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border);
        }

        .tier-card.featured {
            border: 2px solid var(--color-accent-gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-16px);
        }

        .tier-card.featured:hover {
            transform: translateY(-18px);
            box-shadow: 0 4px 12px rgba(30, 58, 95, .1), 0 20px 48px rgba(230, 162, 60, .15);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 12px;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 20px;
            padding: 4px 14px;
        }

        .tier-card.featured .tier-badge {
            background: var(--color-accent-gold);
            color: #fff;
        }

        .tier-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .tier-card.featured .tier-icon {
            background: rgba(230, 162, 60, .12);
            color: var(--color-accent-gold);
        }

        .tier-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 6px;
        }

        .tier-card .tier-sub {
            font-size: 14px;
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }

        .tier-features {
            flex: 1;
            margin-bottom: 28px;
        }

        .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 8px 0;
        }

        .tier-features li i {
            color: var(--color-success);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .tier-cta {
            display: flex;
            justify-content: center;
        }

        /* ===== Comparison table ===== */
        .compare-wrap {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .compare-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 760px;
        }

        .compare-table th,
        .compare-table td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid #F1F5F9;
            font-size: 14px;
        }

        .compare-table th {
            background: #F8FAFC;
            font-weight: 700;
            color: var(--color-text-main);
            padding-top: 20px;
            padding-bottom: 20px;
        }

        .compare-table th .tier-level {
            font-size: 13px;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 10px;
            padding: 4px 14px;
            display: inline-block;
            margin-top: 6px;
        }

        .compare-table th.gold-header .tier-level {
            background: var(--color-accent-gold);
            color: #fff;
        }

        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--color-text-main);
        }

        .compare-table tbody tr {
            transition: background .15s ease;
        }

        .compare-table tbody tr:hover {
            background: #F0F6FF;
        }

        .compare-table tbody tr:hover td:first-child {
            box-shadow: inset 3px 0 0 var(--color-primary);
        }

        .compare-table td:last-child,
        .compare-table th:last-child {
            border-right: none;
        }

        .icon-check {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(16, 185, 129, .1);
        }

        .icon-check i {
            color: var(--color-success);
            font-size: 12px;
        }

        .icon-times {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(231, 76, 60, .1);
        }

        .icon-times i {
            color: var(--color-danger);
            font-size: 12px;
        }

        /* ===== Scenarios ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--color-primary);
            transition: height .3s ease;
        }

        .scenario-card:hover::before {
            height: 100%;
        }

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

        .scenario-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 10px;
        }

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

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-item::after {
            content: '';
            position: absolute;
            top: 30px;
            left: calc(60% + 10px);
            width: calc(80% - 20px);
            height: 2px;
            background: #E2E8F0;
            z-index: 0;
        }

        .step-item:last-child::after {
            display: none;
        }

        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
            z-index: 1;
            border: 2px solid #fff;
            box-shadow: var(--shadow-card);
        }

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

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

        /* ===== Exclusive content ===== */
        .exclusive-section {
            background: var(--color-primary-light);
            padding: var(--spacing-section) 0;
        }

        .exclusive-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .exclusive-main {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 380px;
        }

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

        .exclusive-main .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 61, 90, 0) 30%, rgba(28, 61, 90, .85) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 32px;
        }

        .exclusive-main .vip-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: linear-gradient(135deg, #E6A23C, #F0B34A);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(230, 162, 60, .4);
        }

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

        .exclusive-main p {
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            line-height: 1.6;
        }

        .exclusive-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .exclusive-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border-radius: 14px;
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, .6);
            transition: all .25s ease;
        }

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

        .exclusive-item .thumb {
            width: 96px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .exclusive-item .content {
            flex: 1;
            min-width: 0;
        }

        .exclusive-item .title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }

        .exclusive-item .desc {
            font-size: 13px;
            color: var(--color-text-weak);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .exclusive-item .lock {
            color: var(--color-accent-gold);
            font-size: 16px;
            flex-shrink: 0;
            position: relative;
        }

        .exclusive-item .lock:hover::after {
            content: '会员专享';
            position: absolute;
            top: -28px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-deep-blue);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            box-shadow: var(--shadow-card);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 24px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all .3s ease;
        }

        .faq-item.open {
            border-left: 4px solid var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-main);
            transition: color .2s ease;
            border: none;
            background: none;
            text-align: left;
            width: 100%;
        }

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

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

        .faq-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-deep-blue);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(230, 162, 60, .06);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: 10%;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(230, 162, 60, .1);
            border-radius: 50%;
        }

        .cta-inner {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: #CBD5E1;
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .price-anchor {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .price-original {
            color: #94A3B8;
            text-decoration: line-through;
            font-size: 18px;
        }

        .price-current {
            font-family: var(--font-num);
            color: var(--color-accent-gold);
            font-size: 36px;
            font-weight: 800;
        }

        .price-period {
            background: rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 12px;
            color: #fff;
        }

        .cta-note {
            font-size: 14px;
            color: #94A3B8;
            margin-top: 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-deep-blue);
            color: #CBD5E1;
            padding: 80px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-text em {
            color: var(--color-accent-gold);
        }

        .footer-brand .logo-mark {
            background: rgba(255, 255, 255, .1);
            color: var(--color-accent-gold);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .footer-col ul a {
            color: #CBD5E1;
            font-size: 14px;
            transition: all .2s ease;
        }

        .footer-col ul a:hover {
            color: #93C5FD;
            padding-left: 2px;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #64748B;
        }

        .footer-bottom a {
            color: #64748B;
            transition: color .2s ease;
        }

        .footer-bottom a:hover {
            color: #93C5FD;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                margin-left: 16px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 14px;
            }

            .mega-panel {
                width: 420px;
            }

            .category-hero h1 {
                font-size: 36px;
            }

            .category-hero-visual {
                flex-basis: 300px;
            }

            .tier-grid {
                gap: 16px;
            }

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }

            .step-item::after {
                display: none;
            }

            .exclusive-inner {
                grid-template-columns: 1fr;
            }

            .exclusive-main {
                height: 320px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }

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

            .section-head h2 {
                font-size: 26px;
            }

            .desktop-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .mobile-menu {
                display: block;
                pointer-events: none;
            }

            .mobile-menu.open {
                pointer-events: auto;
            }

            .category-hero {
                padding: 64px 0 56px;
            }

            .category-hero-inner {
                flex-direction: column;
                gap: 40px;
            }

            .category-hero-content {
                text-align: center;
                margin: 0 auto;
            }

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

            .category-hero p.lead {
                font-size: 16px;
                margin: 0 auto 28px;
            }

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

            .hero-trust {
                justify-content: center;
                flex-wrap: wrap;
                gap: 16px 24px;
            }

            .category-hero-visual {
                flex-basis: auto;
                width: 100%;
                max-width: 400px;
                margin: 0 auto;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }

            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }

            .tier-card.featured {
                transform: none;
            }

            .tier-card.featured:hover {
                transform: translateY(-4px);
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

            .compare-scroll {
                max-height: 460px;
                overflow-y: auto;
            }

            .compare-table th {
                position: sticky;
                top: 0;
                z-index: 2;
            }

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

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

            .exclusive-list {
                gap: 12px;
            }

            .exclusive-item {
                padding: 12px 16px;
            }

            .exclusive-item .thumb {
                width: 80px;
                height: 60px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-cta .btn {
                width: calc(50% - 8px);
                padding: 12px 16px;
                font-size: 14px;
            }

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

            .stat-number {
                font-size: 30px;
            }

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

            .exclusive-main {
                height: 260px;
            }

            .exclusive-main .overlay {
                padding: 20px;
            }

            .exclusive-main h3 {
                font-size: 18px;
            }

            .exclusive-item {
                flex-wrap: wrap;
            }

            .exclusive-item .thumb {
                width: 100%;
                height: 120px;
            }

            .exclusive-item .content {
                width: calc(100% - 40px);
            }

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

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

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