/* roulang page: index */
:root {
            --primary: #2F6BFF;
            --primary-dark: #1D4ED8;
            --primary-light: #EFF4FF;
            --accent: #0EA5E9;
            --accent-light: #E0F2FE;
            --energy: #F59E0B;
            --energy-dark: #D97706;
            --energy-light: #FEF3C7;
            --bg: #F8FAFC;
            --bg-blue: #F0F4FF;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E5E9F0;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 8px 24px rgba(47, 107, 255, 0.12);
            --shadow-hover: 0 12px 32px rgba(47, 107, 255, 0.16);
            --shadow-energy: 0 6px 20px rgba(245, 158, 11, 0.18);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 88px 0;
            --section-padding-sm: 56px 0;
            --card-padding: 28px 32px;
            --card-padding-sm: 20px 22px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-appearance: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text);
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: 40px;
            line-height: 1.22;
            margin-bottom: 20px;
        }
        h2 {
            font-size: 28px;
            line-height: 1.3;
            margin-bottom: 18px;
        }
        h3 {
            font-size: 19px;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        p {
            margin: 0 0 16px;
            color: var(--text-body);
        }

        ul, ol {
            padding-left: 20px;
            margin: 0 0 16px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .nav-logo .logo-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
        }
        .nav-links > li {
            position: relative;
            margin: 0;
        }
        .nav-links > li > a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }
        .nav-links > li > a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links > li > a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-links > li > a .fa-chevron-down {
            font-size: 11px;
            margin-left: 4px;
            transition: transform var(--transition);
        }
        .nav-links > li.has-mega:hover > a .fa-chevron-down {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border-light);
            padding: 24px 28px;
            width: 560px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 999;
            margin-top: 8px;
        }
        .nav-links > li.has-mega:hover .mega-panel,
        .nav-links > li.has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid #fff;
        }
        .mega-panel .mega-title {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            color: var(--text-muted);
            font-weight: 600;
            margin-bottom: 14px;
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 16px;
        }
        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            color: var(--text-body);
            transition: background var(--transition), color var(--transition);
        }
        .mega-item:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mega-item .mega-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .mega-item .mega-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.3;
        }
        .mega-item .mega-sub {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            white-space: nowrap;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .btn-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(47, 107, 255, 0.25);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--text);
            flex-shrink: 0;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg);
        }
        .nav-toggle .fa-bars,
        .nav-toggle .fa-xmark {
            font-size: 18px;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            list-style: none;
            margin: 12px 0 0;
            padding: 0;
            background: #fff;
            border-top: 1px solid var(--border-light);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .mobile-menu.open {
            max-height: 560px;
        }
        .mobile-menu li {
            margin: 0;
        }
        .mobile-menu li a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-menu li a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline:active {
            background: #DCE7FF;
        }
        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: transparent;
            padding: 8px 12px;
        }
        .btn-ghost:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-energy {
            background: var(--energy);
            color: #fff;
            border-color: var(--energy);
        }
        .btn-energy:hover {
            background: var(--energy-dark);
            border-color: var(--energy-dark);
            color: #fff;
            box-shadow: var(--shadow-energy);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== BADGES / TAGS ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            letter-spacing: 0.3px;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-energy {
            background: var(--energy-light);
            color: var(--energy-dark);
        }
        .badge-accent {
            background: var(--accent-light);
            color: #0284C7;
        }
        .badge-muted {
            background: #F1F5F9;
            color: var(--text-muted);
        }
        .badge-live {
            background: #FEF2F2;
            color: #DC2626;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        .badge-live .dot {
            width: 6px;
            height: 6px;
            background: #DC2626;
            border-radius: 50%;
            display: inline-block;
            margin-right: 2px;
            animation: blink 1.5s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: #fff;
        }
        .section-blue-tint {
            background: var(--bg-blue);
        }
        .section-header {
            margin-bottom: 42px;
            max-width: 720px;
        }
        .section-header.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header .eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }
        .section-header h2 {
            margin-bottom: 14px;
        }
        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== HERO ========== */
        .hero {
            background: var(--bg-blue);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(47,107,255,0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(14,165,233,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
            margin-bottom: 44px;
        }
        .hero-copy .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .hero-copy h1 {
            font-size: 42px;
            line-height: 1.18;
            margin-bottom: 18px;
            color: var(--text);
        }
        .hero-copy h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-copy h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 5px;
            background: rgba(47,107,255,0.18);
            border-radius: 2px;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 26px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Hero live card */
        .hero-live-card {
            background: #fff;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            height: 100%;
        }
        .hero-live-card .live-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: var(--bg);
            border-bottom: 1px solid var(--border-light);
        }
        .hero-live-card .live-card-top .live-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-live-card .live-card-top .countdown {
            font-size: 14px;
            font-weight: 700;
            color: var(--energy-dark);
            background: var(--energy-light);
            padding: 4px 12px;
            border-radius: 6px;
        }
        .hero-live-card .live-card-body {
            padding: 20px;
        }
        .live-match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .live-match-row:last-child {
            border-bottom: none;
        }
        .live-match-row .team {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .live-match-row .score {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }
        .live-match-row .live-dot {
            width: 8px;
            height: 8px;
            background: #22C55E;
            border-radius: 50%;
            animation: blink 1.5s infinite;
        }

        /* Hero metrics */
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 8px;
        }
        .metric-card {
            background: #fff;
            border-radius: 10px;
            padding: 20px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            border-left: 3px solid var(--primary);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-card .metric-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -0.5px;
            font-variant-numeric: tabular-nums;
        }
        .metric-card .metric-value .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 5px;
        }

        /* ========== SERVICES ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: #fff;
            border-radius: 12px;
            padding: var(--card-padding);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 107, 255, 0.25);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .service-card h3 {
            margin: 4px 0 6px;
        }
        .service-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 0;
        }
        .service-card .service-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .service-card .service-link .fa-arrow-right {
            font-size: 12px;
            transition: transform var(--transition);
        }
        .service-card .service-link:hover .fa-arrow-right {
            transform: translateX(3px);
        }

        /* ========== COMPARISON ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }
        .comparison-panel {
            border-radius: 14px;
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .comparison-panel.old {
            background: #F9FAFB;
        }
        .comparison-panel.new {
            background: var(--primary-light);
            border-color: rgba(47, 107, 255, 0.3);
            box-shadow: var(--shadow-md);
        }
        .comparison-panel .panel-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            padding: 4px 10px;
            border-radius: 6px;
            margin-bottom: 16px;
        }
        .comparison-panel.old .panel-label {
            background: #E2E8F0;
            color: #64748B;
        }
        .comparison-panel.new .panel-label {
            background: var(--primary);
            color: #fff;
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list li .fa-xmark {
            color: #EF4444;
            margin-top: 4px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .comparison-list li .fa-check {
            color: #22C55E;
            margin-top: 4px;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 32px;
            max-width: 760px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 30px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.2);
        }
        .timeline-item .timeline-date {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }
        .timeline-item h4 {
            font-size: 17px;
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-light);
            border-radius: 14px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 22px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            text-decoration: none;
            color: inherit;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: #F8FBFF;
        }
        .news-item .news-img {
            width: 140px;
            height: 92px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .news-item .news-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-item .news-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            background: var(--bg-blue);
            color: var(--primary);
            white-space: nowrap;
        }
        .news-item h3 {
            font-size: 17px;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item h3 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .news-item h3 a:hover {
            color: var(--primary);
        }
        .news-item .news-excerpt {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .news-item .news-readmore:hover {
            gap: 8px;
        }
        .news-item .news-readmore .fa-arrow-right {
            font-size: 11px;
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .guarantee-card {
            background: #fff;
            border-radius: 12px;
            padding: 26px 22px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .guarantee-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .guarantee-card .g-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }
        .guarantee-card h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .guarantee-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 0;
        }

        /* ========== BRAND STORY ========== */
        .brand-story {
            background: var(--bg-blue);
            position: relative;
            overflow: hidden;
            border-radius: 18px;
            padding: 48px 52px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            border: 1px solid var(--border-light);
        }
        .brand-story .bs-text h2 {
            margin-bottom: 18px;
        }
        .brand-story .bs-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 14px;
        }
        .brand-story .bs-image {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            aspect-ratio: 16/10;
        }
        .brand-story .bs-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== QUICK ANSWERS ========== */
        .qa-quick-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .qa-quick-item {
            background: #fff;
            border-radius: 10px;
            padding: 18px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .qa-quick-item:hover {
            box-shadow: var(--shadow-md);
        }
        .qa-quick-item .qa-q {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .qa-quick-item .qa-q .fa-question-circle {
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .qa-quick-item .qa-a {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            border: 1px solid var(--border-light);
            border-radius: 14px;
            background: #fff;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item.active {
            background: #F8FBFF;
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            border: none;
            background: transparent;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            transition: transform var(--transition);
            border-radius: 50%;
            background: var(--primary-light);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 0;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--bg-blue);
            position: relative;
            overflow: hidden;
            border-radius: 18px;
            padding: 52px 48px;
            border: 1px solid var(--border-light);
            max-width: 640px;
            margin: 0 auto;
            box-shadow: var(--shadow-md);
        }
        .cta-form-section .cta-title {
            text-align: center;
            margin-bottom: 8px;
        }
        .cta-form-section .cta-subtitle {
            text-align: center;
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 26px;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cta-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-form .form-row .form-group {
            flex: 1;
            min-width: 180px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text);
            background: #fff;
            transition: border-color var(--transition), box-shadow var(--transition);
            -webkit-appearance: none;
            appearance: none;
        }
        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.15);
        }
        .cta-form .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
            line-height: 1.6;
        }

        /* ========== HOT GAMES ========== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .game-card {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .game-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(47, 107, 255, 0.3);
        }
        .game-card .game-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .game-card .game-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .game-card .game-info {
            padding: 14px 16px;
        }
        .game-card .game-info h4 {
            font-size: 15px;
            margin-bottom: 4px;
        }
        .game-card .game-info .game-level {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-mark {
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copy {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story {
                grid-template-columns: 1fr;
                padding: 32px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 30px;
            }
            h2 {
                font-size: 22px;
            }
            .section {
                padding: var(--section-padding-sm);
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero {
                padding: 48px 0 36px;
            }
            .hero-copy h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
                line-height: 1.75;
            }
            .hero-live-card {
                margin-top: 8px;
            }
            .hero-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 14px 12px;
            }
            .metric-card .metric-value {
                font-size: 22px;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .news-item .news-img {
                width: 100%;
                height: 160px;
            }
            .qa-quick-list {
                grid-template-columns: 1fr;
            }
            .cta-form-section {
                padding: 32px 20px;
                border-radius: 14px;
            }
            .cta-form .form-row {
                flex-direction: column;
                gap: 10px;
            }
            .brand-story {
                padding: 24px 18px;
                border-radius: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-copy h1 {
                font-size: 26px;
            }
            .hero-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-card .metric-value {
                font-size: 20px;
            }
            .services-grid,
            .guarantee-grid,
            .games-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .cta-form-section {
                padding: 24px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2F6BFF;
            --primary-dark: #1D4ED8;
            --primary-light: #EFF4FF;
            --accent: #0EA5E9;
            --accent-light: #E0F2FE;
            --energy: #F59E0B;
            --energy-dark: #D97706;
            --energy-light: #FEF3C7;
            --bg: #F8FAFC;
            --bg-blue: #F0F4FF;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E5E9F0;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 8px 24px rgba(47, 107, 255, 0.12);
            --shadow-hover: 0 12px 32px rgba(47, 107, 255, 0.16);
            --shadow-energy: 0 6px 20px rgba(245, 158, 11, 0.18);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 88px 0;
            --section-padding-sm: 56px 0;
            --card-padding: 28px 32px;
            --card-padding-sm: 20px 22px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-appearance: none;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
        }

        .nav-links>li {
            position: relative;
            margin: 0;
        }

        .nav-links>li>a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

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

        .nav-links>li>a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-links>li>a .fa-chevron-down {
            font-size: 11px;
            margin-left: 4px;
            transition: transform var(--transition);
        }

        .nav-links>li.has-mega:hover>a .fa-chevron-down {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border-light);
            padding: 24px;
            width: 480px;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 1001;
        }

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

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
        }

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

        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px;
            border-radius: 10px;
            background: var(--bg);
            transition: background var(--transition), transform var(--transition);
        }

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

        .mega-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .mega-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

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

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: #dbe7ff;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: var(--bg-blue);
            padding: 72px 0 56px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(47, 107, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-dual {
            display: grid;
            grid-template-columns: 1fr 0.85fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: -0.3px;
        }

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

        .hero-left .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 560px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .badge-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            transition: border-color var(--transition), color var(--transition);
        }

        .badge-outline i {
            color: var(--primary);
            font-size: 12px;
        }

        /* Right quick grid */
        .quick-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .quick-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
            text-align: center;
        }

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

        .quick-card .qc-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .qc-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .qc-icon.cyan {
            background: var(--accent-light);
            color: var(--accent);
        }

        .qc-icon.orange {
            background: var(--energy-light);
            color: var(--energy-dark);
        }

        .qc-icon.purple {
            background: #EDE9FE;
            color: #7C3AED;
        }

        .quick-card .qc-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .quick-card .qc-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 4px;
        }

        /* ========== SECTION ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-sm {
            padding: var(--section-padding-sm);
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-head .left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: -0.2px;
        }

        .section-head .left p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .text-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .text-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .text-link:hover i {
            transform: translateX(3px);
        }

        /* ========== RANKING LIST ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .rank-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 28px;
            display: grid;
            grid-template-columns: 60px 1fr 1.2fr 0.8fr 0.7fr 0.6fr;
            align-items: center;
            gap: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 107, 255, 0.25);
        }

        .rank-number {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-muted);
            background: var(--bg);
        }

        .rank-card.top1 .rank-number {
            background: var(--energy-light);
            color: var(--energy-dark);
        }

        .rank-card.top2 .rank-number {
            background: #F1F5F9;
            color: #64748B;
        }

        .rank-card.top3 .rank-number {
            background: #FEF3C7;
            color: #D97706;
        }

        .rank-player {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .rank-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .rank-avatar.orange {
            background: var(--energy-light);
            color: var(--energy-dark);
        }

        .rank-avatar.cyan {
            background: var(--accent-light);
            color: var(--accent);
        }

        .rank-player-info .player-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0;
        }

        .rank-player-info .player-team {
            font-size: 13px;
            color: var(--text-muted);
            margin: 2px 0 0;
        }

        .rank-game {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .game-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }

        .game-tag.green {
            background: #DCFCE7;
            color: #15803D;
        }

        .game-tag.yellow {
            background: var(--energy-light);
            color: var(--energy-dark);
        }

        .game-tag.red {
            background: #FEE2E2;
            color: #DC2626;
        }

        .rank-stats {
            display: flex;
            gap: 20px;
            align-items: center;
        }

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

        .stat-block .sb-value {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            display: block;
        }

        .stat-block .sb-label {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }

        .rank-change {
            font-size: 13px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            justify-content: center;
        }

        .rank-change.up {
            color: #16A34A;
        }

        .rank-change.down {
            color: #DC2626;
        }

        .rank-change.same {
            color: var(--text-muted);
        }

        .rank-change i {
            font-size: 11px;
        }

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

        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .featured-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }

        .featured-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.75) 100%);
            border-radius: 0;
        }

        .featured-tag {
            position: relative;
            z-index: 1;
            background: var(--energy);
            color: #fff;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .featured-body {
            padding: 22px 24px 24px;
        }

        .featured-body .fb-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 2px;
        }

        .featured-body .fb-role {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 14px;
        }

        .fb-stats-row {
            display: flex;
            gap: 24px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .fb-stat .fbs-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .fb-stat .fbs-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== RULES SECTION ========== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .rule-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .rule-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .rule-card:nth-child(2) .rule-icon {
            background: var(--accent-light);
            color: var(--accent);
        }

        .rule-card:nth-child(3) .rule-icon {
            background: var(--energy-light);
            color: var(--energy-dark);
        }

        .rule-card:nth-child(4) .rule-icon {
            background: #EDE9FE;
            color: #7C3AED;
        }

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

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

        /* ========== TREND SECTION ========== */
        .trend-banner {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 24px;
        }

        .trend-banner .tb-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .trend-banner .tb-text p {
            font-size: 15px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(47, 107, 255, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(47, 107, 255, 0.35);
            transform: translateY(-2px);
        }

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

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

        .btn-energy {
            background: var(--energy);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
        }

        .btn-energy:hover {
            background: var(--energy-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
            transform: translateY(-2px);
        }

        /* ========== CTA SECTION ========== */
        .cta-card {
            background: var(--bg-blue);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            text-align: center;
            border: 1px solid rgba(47, 107, 255, 0.15);
        }

        .cta-card h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px;
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-body);
            margin: 0 auto 24px;
            max-width: 520px;
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 64px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: #64748B;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            font-size: 13px;
            color: #94A3B8;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-dual {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-left .hero-desc {
                max-width: 100%;
            }

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

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

            .rank-card {
                grid-template-columns: 48px 1fr 0.8fr 0.6fr;
                gap: 14px;
                padding: 18px 20px;
            }

            .rank-stats {
                gap: 12px;
            }

            .rank-change {
                font-size: 12px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 56px 0;
                --section-padding-sm: 40px 0;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
                z-index: 999;
                max-height: calc(100vh - 62px);
                overflow-y: auto;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links>li>a {
                padding: 12px 16px;
                font-size: 15px;
            }

            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                width: 100%;
                box-shadow: none;
                border: none;
                padding: 0 16px 8px;
                display: none;
            }

            .nav-links>li.has-mega.open .mega-panel {
                display: block;
            }

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

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

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

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

            .rank-card {
                grid-template-columns: 44px 1fr;
                gap: 12px;
                padding: 16px;
                position: relative;
            }

            .rank-stats {
                grid-column: 2;
                justify-content: flex-start;
                gap: 20px;
                flex-wrap: wrap;
            }

            .rank-game {
                grid-column: 2;
            }

            .rank-change {
                position: absolute;
                top: 16px;
                right: 16px;
            }

            .trend-banner {
                grid-template-columns: 1fr;
                padding: 28px 24px;
                text-align: center;
            }

            .trend-banner .tb-text {
                text-align: center;
            }

            .cta-card {
                padding: 32px 24px;
            }

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

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

            .footer-bottom .copy {
                text-align: center;
                width: 100%;
            }

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

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

            .container-wide {
                padding: 0 16px;
            }

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

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

            .rank-card {
                grid-template-columns: 38px 1fr;
                padding: 14px;
                gap: 10px;
            }

            .rank-number {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .rank-avatar {
                width: 40px;
                height: 40px;
                font-size: 15px;
            }

            .rank-player-info .player-name {
                font-size: 15px;
            }

            .stat-block .sb-value {
                font-size: 15px;
            }

            .featured-img {
                height: 150px;
            }

            .cta-card h3 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6BFF;
            --primary-dark: #1D4ED8;
            --primary-light: #EFF4FF;
            --accent: #0EA5E9;
            --accent-light: #E0F2FE;
            --energy: #F59E0B;
            --energy-dark: #D97706;
            --energy-light: #FEF3C7;
            --bg: #F8FAFC;
            --bg-blue: #F0F4FF;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E5E9F0;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 8px 24px rgba(47, 107, 255, 0.12);
            --shadow-hover: 0 12px 32px rgba(47, 107, 255, 0.16);
            --shadow-energy: 0 6px 20px rgba(245, 158, 11, 0.18);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 88px 0;
            --section-padding-sm: 56px 0;
            --card-padding: 28px 32px;
            --card-padding-sm: 20px 22px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-appearance: none;
            appearance: none;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
        }

        .nav-links > li {
            position: relative;
            margin: 0;
        }

        .nav-links > li > a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

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

        .nav-links > li > a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-links > li > a .fa-chevron-down {
            font-size: 11px;
            margin-left: 4px;
            transition: transform var(--transition);
        }

        .nav-links > li.has-mega:hover > a .fa-chevron-down {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border-light);
            padding: 20px;
            width: 520px;
            display: none;
            z-index: 1001;
        }

        .nav-links > li.has-mega:hover .mega-panel {
            display: block;
        }

        .mega-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

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

        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px;
            border-radius: 10px;
            transition: background-color var(--transition), transform var(--transition);
        }

        .mega-item:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .mega-icon {
            width: 34px;
            height: 34px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }

        .mega-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

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

        .mobile-nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition);
        }

        .mobile-nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-nav-toggle.active {
            background: var(--primary);
            color: #fff;
        }

        /* ========== CLASSIFICATION HERO ========== */
        .page-hero {
            background: var(--bg-blue);
            border-bottom: 1px solid var(--border-light);
            padding: 64px 0 52px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(47, 107, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

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

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

        .page-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 40px;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }

        .page-hero-left {
            flex: 1 1 520px;
            max-width: 640px;
        }

        .page-hero-left .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--primary-light);
            margin-bottom: 16px;
        }

        .page-hero-left h1 {
            font-size: 38px;
            line-height: 1.28;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

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

        .page-hero-left .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 24px;
            max-width: 580px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--surface);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            border: 1px solid var(--border);
        }

        .hero-tags .tag i {
            color: var(--accent);
            font-size: 12px;
        }

        .page-hero-right {
            flex: 0 0 340px;
            align-self: center;
        }

        .hero-mini-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            text-align: center;
        }

        .hero-mini-card .mini-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .hero-mini-card .mini-value {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .hero-mini-card .mini-trend {
            font-size: 13px;
            font-weight: 500;
            color: #10B981;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-sm {
            padding: var(--section-padding-sm);
        }

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

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

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-body);
            margin: 0;
            max-width: 600px;
            line-height: 1.8;
        }

        /* ========== STATS GRID ========== */
        .stats-grid-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0.8;
        }

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

        .stat-card .stat-icon {
            width: 38px;
            height: 38px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 12px;
        }

        .stat-card .stat-value {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== DATA LIST ========== */
        .data-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .data-article-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .data-article-card .article-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .data-article-card .article-date i {
            color: var(--accent);
            font-size: 12px;
        }

        .data-article-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin: 4px 0 6px;
        }

        .data-article-card .article-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            flex: 1;
        }

        .data-article-card .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }

        .data-article-card .article-category {
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 500;
        }

        .data-article-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition), color var(--transition);
        }

        .data-article-card .read-more:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .topic-card .topic-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

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

        .topic-card .topic-badge {
            display: inline-block;
            font-size: 12px;
            background: var(--energy-light);
            color: var(--energy-dark);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0 0 10px;
        }

        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        /* ========== SERVICE CARDS ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .service-card .service-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 17px;
        }

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

        .service-card p {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SUBSCRIBE ========== */
        .cta-section {
            background: var(--bg);
            padding: var(--section-padding-sm);
        }

        .cta-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            padding: 40px;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-body);
            margin: 0 0 24px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            align-items: center;
        }

        .cta-form input[type="email"],
        .cta-form select {
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--surface);
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 220px;
        }

        .cta-form input[type="email"]:focus,
        .cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.12);
            outline: none;
        }

        .cta-form .btn-primary {
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: background-color var(--transition), box-shadow var(--transition);
        }

        .cta-form .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        .cta-form .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .cta-form .btn-primary:active {
            background: var(--primary-dark);
            transform: scale(0.98);
        }

        .form-success-msg {
            display: none;
            background: #ECFDF5;
            border: 1px solid #A7F3D0;
            color: #047857;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            margin-top: 12px;
            font-weight: 500;
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
        }

        /* ========== MORE LINK ========== */
        .more-link-wrapper {
            text-align: center;
            padding-bottom: 36px;
        }

        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            padding: 10px 20px;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition), color var(--transition), border-color var(--transition);
        }

        .more-link:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .more-link i {
            transition: transform var(--transition);
        }

        .more-link:hover i {
            transform: translateX(4px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--text);
            color: #CBD5E1;
            padding: 60px 0 28px;
            border-top: 1px solid #1E293B;
        }

        .site-footer a {
            color: #CBD5E1;
            transition: color var(--transition);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-mark {
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li {
            margin: 0;
        }

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

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

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copy {
            font-size: 13px;
            color: #64748B;
        }

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

        .footer-bottom .footer-links a {
            font-size: 13px;
            color: #94A3B8;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1023px) {
            .stats-grid-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-list-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .mobile-nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 4px;
                box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
                border-bottom: 1px solid var(--border-light);
                display: none;
                z-index: 999;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links > li {
                width: 100%;
            }
            .nav-links > li > a {
                padding: 10px 12px;
                font-size: 15px;
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 8px;
            }
            .nav-links > li.has-mega .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                box-shadow: none;
                border: none;
                padding: 0 0 0 12px;
                display: none;
                border-radius: 0;
            }
            .nav-links > li.has-mega:hover .mega-panel,
            .nav-links > li.has-mega:focus-within .mega-panel,
            .nav-links > li.has-mega.open .mega-panel {
                display: block;
            }
            .mega-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero-left h1 {
                font-size: 28px;
            }
            .page-hero-right {
                flex: 0 0 100%;
                max-width: 340px;
            }
            .page-hero-content {
                gap: 24px;
            }
            .hero-mini-card .mini-value {
                font-size: 34px;
            }
            .stats-grid-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 18px;
            }
            .stat-card .stat-value {
                font-size: 24px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input[type="email"],
            .cta-form select {
                width: 100%;
                min-width: 0;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 56px 0;
            }
            .page-hero-left h1 {
                font-size: 24px;
            }
            .stats-grid-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px;
            }
            .hero-tags {
                gap: 6px;
            }
            .hero-tags .tag {
                font-size: 12px;
                padding: 4px 10px;
            }
            .data-article-card {
                padding: 18px;
            }
            .data-article-card h3 {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #2F6BFF;
      --primary-dark: #1D4ED8;
      --primary-light: #EFF4FF;
      --accent: #0EA5E9;
      --accent-light: #E0F2FE;
      --energy: #F59E0B;
      --energy-dark: #D97706;
      --energy-light: #FEF3C7;
      --bg: #F8FAFC;
      --bg-blue: #F0F4FF;
      --surface: #FFFFFF;
      --text: #0F172A;
      --text-body: #475569;
      --text-muted: #94A3B8;
      --border: #E5E9F0;
      --border-light: #EEF2F6;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 8px 24px rgba(47, 107, 255, 0.12);
      --shadow-hover: 0 12px 32px rgba(47, 107, 255, 0.16);
      --shadow-energy: 0 6px 20px rgba(245, 158, 11, 0.18);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      --section-padding: 88px 0;
      --section-padding-sm: 56px 0;
      --card-padding: 28px 32px;
      --card-padding-sm: 20px 22px;
      --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
    }

    html {
      font-size: 16px;
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

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

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

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

    a:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      border-radius: 4px;
    }

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

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

    button {
      cursor: pointer;
      border: none;
      background: none;
      -webkit-appearance: none;
    }

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

    .container-wide {
      max-width: 1360px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border-light);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 14px 0;
      transition: box-shadow var(--transition);
    }

    .site-header.scrolled {
      box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: nowrap;
      position: relative;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .nav-logo .logo-mark {
      width: 34px;
      height: 34px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: -0.5px;
      flex-shrink: 0;
    }

    .nav-logo .logo-text {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: 0.2px;
      white-space: nowrap;
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
      margin: 0;
      padding: 0;
      flex-shrink: 1;
    }

    .nav-links > li {
      position: relative;
      margin: 0;
    }

    .nav-links > li > a {
      display: block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      border-radius: 6px;
      white-space: nowrap;
      transition: color var(--transition), background-color var(--transition);
    }

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

    .nav-links > li > a.active {
      color: var(--primary);
      background: var(--primary-light);
      font-weight: 600;
    }

    .nav-links > li > a .fa-chevron-down {
      font-size: 11px;
      margin-left: 4px;
      transition: transform var(--transition);
    }

    .nav-links > li.has-mega:hover > a .fa-chevron-down {
      transform: rotate(180deg);
    }

    .mega-panel {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      background: #fff;
      border-radius: 14px;
      box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
      border: 1px solid var(--border-light);
      width: 560px;
      padding: 20px;
      display: none;
      z-index: 999;
    }

    .has-mega:hover .mega-panel,
    .has-mega:focus-within .mega-panel {
      display: block;
    }

    .mega-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 12px;
      letter-spacing: 0.3px;
    }

    .mega-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .mega-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px;
      border-radius: 10px;
      transition: background-color var(--transition);
    }

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

    .mega-icon {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
    }

    .mega-label {
      font-weight: 600;
      color: var(--text);
      font-size: 14px;
      line-height: 1.4;
    }

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

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
      border: 1px solid var(--border);
    }

    /* ========== HERO / PAGE HEADER ========== */
    .page-header {
      background: var(--bg-blue);
      padding: 64px 0 72px;
      border-bottom: 1px solid var(--border-light);
      position: relative;
      overflow: hidden;
    }

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

    .page-header::after {
      content: '';
      position: absolute;
      top: -120px;
      right: -80px;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(47, 107, 255, 0.08), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .page-header-grid {
      display: flex;
      align-items: center;
      gap: 48px;
      flex-wrap: wrap;
    }

    .page-header-info {
      flex: 1 1 480px;
    }

    .page-header-visual {
      flex: 1 1 360px;
      max-width: 480px;
      position: relative;
    }

    .page-header-visual img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      aspect-ratio: 16/10;
      object-fit: cover;
      width: 100%;
    }

    .page-header-visual .live-chip {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: #fff;
      border-radius: 20px;
      padding: 8px 16px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 13px;
      color: var(--text);
    }

    .live-dot {
      width: 8px;
      height: 8px;
      background: #ef4444;
      border-radius: 50%;
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.9); }
    }

    .breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
      background: #fff;
      padding: 6px 12px;
      border-radius: 20px;
      border: 1px solid var(--border-light);
    }

    .breadcrumb i {
      font-size: 10px;
    }

    .page-header h1 {
      font-size: 38px;
      line-height: 1.25;
      color: var(--text);
      margin: 0 0 16px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

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

    .page-header p.lead {
      font-size: 17px;
      color: var(--text-body);
      max-width: 620px;
      margin: 0 0 24px;
      line-height: 1.8;
    }

    .header-stats {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }

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

    .header-stat .number {
      font-size: 24px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.2;
    }

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

    /* ========== GENERIC SECTION ========== */
    .section {
      padding: var(--section-padding);
    }

    .section-sm {
      padding: var(--section-padding-sm);
    }

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

    .section-heading {
      margin-bottom: 40px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .section-heading h2 {
      font-size: 28px;
      color: var(--text);
      margin: 0 0 8px;
      font-weight: 700;
      letter-spacing: 0.3px;
    }

    .section-heading p {
      margin: 0;
      color: var(--text-muted);
      font-size: 15px;
      max-width: 560px;
    }

    .section-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 600;
      font-size: 15px;
      color: var(--primary);
      white-space: nowrap;
    }

    .section-link i {
      transition: transform var(--transition);
    }

    .section-link:hover i {
      transform: translateX(4px);
    }

    /* ========== CARDS ========== */
    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: var(--card-padding);
      transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
    }

    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
      border-color: #dbe5f0;
    }

    .card-energy {
      border-top: 3px solid var(--energy);
    }

    .card-accent {
      border-top: 3px solid var(--accent);
    }

    .card-primary {
      border-top: 3px solid var(--primary);
    }

    .schedule-card {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 18px 20px;
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
    }

    .schedule-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
      border-color: #dbe5f0;
    }

    .schedule-card .game-icon {
      width: 46px;
      height: 46px;
      background: var(--primary-light);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      flex-shrink: 0;
    }

    .schedule-card .match-info {
      flex: 1 1 auto;
      min-width: 0;
    }

    .schedule-card .match-title {
      font-weight: 700;
      color: var(--text);
      font-size: 16px;
      line-height: 1.4;
      margin-bottom: 4px;
    }

    .schedule-card .match-meta {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .badge-live {
      background: #fee2e2;
      color: #dc2626;
    }

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

    .badge-finished {
      background: var(--border-light);
      color: var(--text-muted);
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 500;
      background: var(--primary-light);
      color: var(--primary);
    }

    /* ========== BUTTONS ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 15px;
      transition: background-color var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
      line-height: 1.2;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 12px rgba(47, 107, 255, 0.2);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      box-shadow: 0 8px 20px rgba(47, 107, 255, 0.28);
      transform: translateY(-1px);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(47, 107, 255, 0.18);
    }

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

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

    .btn-ghost {
      background: transparent;
      color: var(--primary);
      padding-left: 4px;
      padding-right: 4px;
    }

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

    .btn-sm {
      padding: 8px 16px;
      font-size: 14px;
      border-radius: 6px;
    }

    .btn-lg {
      padding: 14px 28px;
      font-size: 16px;
      border-radius: 10px;
    }

    .btn-block {
      width: 100%;
    }

    /* ========== SCHEDULE LIST ========== */
    .schedule-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .schedule-group {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .schedule-group-header {
      padding: 16px 24px;
      background: #fafbfd;
      border-bottom: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .schedule-group-header h3 {
      margin: 0;
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
    }

    .schedule-group-body {
      padding: 8px 24px;
    }

    .schedule-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-light);
      flex-wrap: wrap;
    }

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

    .schedule-time {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      width: 70px;
      flex-shrink: 0;
    }

    .schedule-teams {
      flex: 1 1 200px;
      min-width: 0;
      font-weight: 600;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .schedule-tag {
      flex-shrink: 0;
    }

    .schedule-status {
      flex-shrink: 0;
    }

    /* ========== FORM ========== */
    .form-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      padding: 40px;
      max-width: 680px;
      margin: 0 auto;
      border: 1px solid var(--border-light);
      position: relative;
      overflow: hidden;
    }

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

    .form-card h2 {
      font-size: 26px;
      color: var(--text);
      margin: 0 0 8px;
      font-weight: 700;
    }

    .form-card p {
      color: var(--text-body);
      margin: 0 0 24px;
    }

    .form-grid {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .form-field {
      flex: 1 1 200px;
    }

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

    .form-field input,
    .form-field select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: #fff;
      font-size: 15px;
      color: var(--text);
      transition: border-color var(--transition), box-shadow var(--transition);
      outline: none;
    }

    .form-field input:focus,
    .form-field select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.12);
    }

    .privacy-note {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 16px;
      text-align: center;
    }

    /* ========== FOOTER ========== */
    .site-footer {
      background: #0F172A;
      color: #cbd5e1;
      padding: 56px 0 0;
    }

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

    .footer-brand p {
      margin: 16px 0 0;
      font-size: 14px;
      line-height: 1.8;
      color: #94a3b8;
      max-width: 340px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
    }

    .footer-logo .logo-mark {
      width: 38px;
      height: 38px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin: 0 0 16px;
      letter-spacing: 0.3px;
    }

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

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

    .footer-col ul a {
      color: #94a3b8;
      font-size: 14px;
      transition: color var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #64748b;
    }

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

    .footer-links a {
      color: #94a3b8;
      font-size: 13px;
    }

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

    /* ========== UTILITIES ========== */
    .text-center { text-align: center; }
    .mt-0 { margin-top: 0; }
    .mt-2 { margin-top: 16px; }
    .mt-3 { margin-top: 24px; }
    .mt-4 { margin-top: 32px; }
    .mb-2 { margin-bottom: 16px; }
    .mb-3 { margin-bottom: 24px; }
    .mb-4 { margin-bottom: 32px; }
    .flex { display: flex; }
    .items-center { align-items: center; }
    .justify-between { justify-content: space-between; }
    .gap-2 { gap: 16px; }
    .gap-3 { gap: 24px; }
    .flex-wrap { flex-wrap: wrap; }

    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .nav-links { gap: 2px; }
      .nav-links > li > a { padding: 8px 10px; font-size: 14px; }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .page-header h1 { font-size: 32px; }
      .section { padding: 64px 0; }
    }

    @media (max-width: 820px) {
      .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 12px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border-light);
        gap: 0;
        max-height: 80vh;
        overflow-y: auto;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links > li {
        width: 100%;
      }
      .nav-links > li > a {
        padding: 12px 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        white-space: normal;
      }
      .nav-links > li > a .fa-chevron-down {
        margin-left: auto;
      }
      .nav-toggle {
        display: flex;
      }
      .mega-panel {
        position: static;
        transform: none;
        width: 100%;
        box-shadow: none;
        border: none;
        padding: 8px 0 8px 16px;
        display: none;
        background: transparent;
      }
      .has-mega:hover .mega-panel,
      .has-mega:focus-within .mega-panel {
        display: none;
      }
      .has-mega.open .mega-panel {
        display: block;
      }
      .mega-grid {
        grid-template-columns: 1fr;
      }
      .grid-2,
      .grid-3,
      .grid-4 {
        grid-template-columns: 1fr;
      }
      .page-header-grid {
        flex-direction: column;
      }
      .page-header-visual {
        max-width: 100%;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .card {
        padding: var(--card-padding-sm);
      }
      .schedule-card {
        flex-wrap: wrap;
      }
      .section-heading {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .page-header {
        padding: 40px 0 48px;
      }
      .page-header h1 {
        font-size: 26px;
      }
      .header-stats {
        gap: 16px;
      }
      .header-stat .number {
        font-size: 20px;
      }
      .schedule-row {
        flex-wrap: wrap;
      }
      .schedule-time {
        width: auto;
      }
      .form-card {
        padding: 28px 20px;
      }
      .form-grid {
        flex-direction: column;
      }
    }

/* roulang page: category4 */
:root {
            --primary: #2F6BFF;
            --primary-dark: #1D4ED8;
            --primary-light: #EFF4FF;
            --accent: #0EA5E9;
            --accent-light: #E0F2FE;
            --energy: #F59E0B;
            --energy-dark: #D97706;
            --energy-light: #FEF3C7;
            --bg: #F8FAFC;
            --bg-blue: #F0F4FF;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border: #E5E9F0;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 8px 24px rgba(47, 107, 255, 0.12);
            --shadow-hover: 0 12px 32px rgba(47, 107, 255, 0.16);
            --shadow-energy: 0 6px 20px rgba(245, 158, 11, 0.18);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --section-padding: 88px 0;
            --section-padding-sm: 56px 0;
            --card-padding: 28px 32px;
            --card-padding-sm: 20px 22px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-appearance: none;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 14px 0;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background-color var(--transition);
        }

        .nav-toggle:hover {
            background: #E0E9FF;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
        }

        .nav-links > li {
            position: relative;
            margin: 0;
        }

        .nav-links > li > a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background-color var(--transition);
        }

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

        .nav-links > li > a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-links > li > a .fa-chevron-down {
            font-size: 11px;
            margin-left: 4px;
            transition: transform var(--transition);
        }

        .nav-links > li.has-mega:hover > a .fa-chevron-down {
            transform: rotate(180deg);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(12px);
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border-light);
            padding: 20px;
            min-width: 420px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 1001;
        }

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

        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px;
            border-radius: 10px;
            transition: background-color var(--transition);
        }

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

        .mega-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .mega-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .mega-sub {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
            margin-top: 2px;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-padding);
        }

        .section-sm {
            padding: var(--section-padding-sm);
        }

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

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }

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

        .section-header .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 4px;
            padding: 4px 10px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(47, 107, 255, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(47, 107, 255, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(47, 107, 255, 0.2);
        }

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

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

        .btn-text {
            background: none;
            color: var(--primary);
            padding: 6px 10px;
            font-size: 14px;
            font-weight: 600;
            gap: 4px;
        }

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

        .btn-text .fa-arrow-right {
            font-size: 13px;
            transition: transform var(--transition);
        }

        .btn-text:hover .fa-arrow-right {
            transform: translateX(3px);
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(47, 107, 255, 0.25);
        }

        .card-sm {
            padding: var(--card-padding-sm);
            border-radius: var(--radius-md);
        }

        /* ========== TAGS / BADGES ========== */
        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 4px;
            padding: 3px 10px;
            line-height: 1.5;
            letter-spacing: 0.2px;
        }

        .tag-accent {
            color: var(--accent);
            background: var(--accent-light);
        }

        .tag-energy {
            color: var(--energy-dark);
            background: var(--energy-light);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--energy);
            border-radius: 4px;
            padding: 2px 8px;
            letter-spacing: 0.3px;
            line-height: 1.5;
            box-shadow: var(--shadow-energy);
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            background: linear-gradient(135deg, #F0F4FF 0%, #F8FAFC 45%, #FFFFFF 100%);
            padding: 64px 0 52px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(47, 107, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 24px;
        }

        .category-hero .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 6px 14px;
        }

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

        /* ========== TAG FILTER ========== */
        .tag-filter-bar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .tag-filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-right: 6px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .tag-filter-label i {
            color: var(--primary);
            font-size: 14px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-body);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            background: var(--primary-light);
            border-color: rgba(47, 107, 255, 0.4);
            color: var(--primary);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .filter-chip .chip-count {
            font-size: 11px;
            font-weight: 600;
            background: rgba(15, 23, 42, 0.06);
            border-radius: 10px;
            padding: 1px 8px;
        }

        .filter-chip.active .chip-count {
            background: rgba(255, 255, 255, 0.2);
        }

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

        .guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 107, 255, 0.25);
        }

        .guide-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-blue);
        }

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

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

        .guide-card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .guide-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .guide-card-body .tag {
            align-self: flex-start;
            font-size: 11px;
            padding: 2px 8px;
        }

        .guide-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin: 0;
            letter-spacing: -0.2px;
        }

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

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

        .guide-card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .guide-card-meta .meta-date i {
            font-size: 12px;
        }

        /* ========== DATA SNAPSHOT ========== */
        .snapshot-bar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .snapshot-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-left: 16px;
            border-left: 3px solid var(--primary);
        }

        .snapshot-item:nth-child(2) {
            border-left-color: var(--accent);
        }

        .snapshot-item:nth-child(3) {
            border-left-color: var(--energy);
        }

        .snapshot-item:nth-child(4) {
            border-left-color: #10B981;
        }

        .snapshot-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

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

        /* ========== FEATURED GUIDES ========== */
        .featured-guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            gap: 0;
        }

        .featured-guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(47, 107, 255, 0.25);
        }

        .featured-guide-img {
            width: 180px;
            min-height: 100%;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
            background: var(--bg-blue);
        }

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

        .featured-guide-card:hover .featured-guide-img img {
            transform: scale(1.05);
        }

        .featured-guide-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .featured-guide-body .tag {
            align-self: flex-start;
            font-size: 11px;
        }

        .featured-guide-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .featured-guide-excerpt {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .featured-guide-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        /* ========== SUBMIT CTA ========== */
        .submit-cta {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }

        .submit-cta::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }

        .submit-cta-content {
            flex: 1;
        }

        .submit-cta-title {
            font-size: 21px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }

        .submit-cta-text {
            font-size: 15px;
            color: var(--text-body);
            margin: 0;
            line-height: 1.8;
        }

        .submit-cta-action {
            flex-shrink: 0;
        }

        /* ========== LOAD MORE ========== */
        .load-more-wrap {
            display: flex;
            justify-content: center;
            padding-top: 24px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            background: var(--surface);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-load-more:hover {
            background: var(--primary-light);
            border-color: rgba(47, 107, 255, 0.4);
            color: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        .btn-load-more i {
            font-size: 14px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 320px;
        }

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

        .footer-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
        }

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

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .snapshot-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding: 22px 24px;
            }

            .featured-guide-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .featured-guide-img {
                width: 150px;
            }
        }

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

            .section-title {
                font-size: 23px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
                gap: 2px;
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
                max-height: 80vh;
                overflow-y: auto;
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links > li > a {
                padding: 12px 14px;
                font-size: 16px;
                border-radius: 8px;
            }

            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: 1px solid var(--border-light);
                margin: 8px 0 4px;
                min-width: auto;
                padding: 12px 14px;
                display: none;
            }

            .nav-links > li.has-mega.open .mega-panel {
                display: block;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 4px;
            }

            .category-hero {
                padding: 44px 0 36px;
            }

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

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

            .tag-filter-bar {
                padding: 14px 16px;
                gap: 8px;
            }

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

            .snapshot-bar {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
                padding: 18px 20px;
            }

            .snapshot-value {
                font-size: 22px;
            }

            .featured-guide-img {
                width: 120px;
            }

            .featured-guide-body {
                padding: 16px 18px;
            }

            .featured-guide-title {
                font-size: 16px;
            }

            .submit-cta {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
                gap: 18px;
            }

            .submit-cta::before {
                width: 100%;
                height: 4px;
                top: 0;
                left: 0;
                right: 0;
                background: linear-gradient(90deg, var(--primary), var(--accent));
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

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

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

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

            .category-hero .hero-stats {
                gap: 8px;
            }

            .snapshot-bar {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px 18px;
            }

            .snapshot-item {
                padding-left: 12px;
            }

            .featured-guide-card {
                flex-direction: column;
            }

            .featured-guide-img {
                width: 100%;
                aspect-ratio: 16 / 7;
                min-height: auto;
            }

            .featured-guide-body {
                padding: 18px 20px 20px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }