/* roulang page: index */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }

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

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

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-gold-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }

        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-title .gold {
            color: var(--brand-gold);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }
        .btn-gold:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition-slow);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline-gold:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
        }

        .tag-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.07);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: color var(--transition), border-color var(--transition);
        }
        .tag-badge:hover {
            color: var(--brand-gold);
            border-color: var(--brand-gold);
        }

        .stat-number {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 42px;
            line-height: 1.2;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .stat-number.gold {
            color: var(--brand-gold);
            text-shadow: 0 0 24px rgba(212, 175, 55, 0.3);
        }

        /* ========== NAVBAR ========== */
        .site-header {
            background-color: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1040;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.28);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--brand-gold);
            color: #0A1424;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 700;
        }
        .brand-logo:hover {
            color: var(--brand-gold-hover);
        }
        .brand-logo:hover .logo-mark {
            background: var(--brand-gold-hover);
        }

        .navbar-nav {
            gap: 26px;
            align-items: center;
        }
        .navbar-nav .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 20px 0;
            position: relative;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--brand-gold);
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 100%;
        }

        .navbar-cta {
            margin-left: 18px;
            padding: 9px 22px;
            font-size: 13px;
            box-shadow: 0 0 14px rgba(212, 175, 55, 0.25);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            padding: 8px 12px;
            border-radius: 6px;
            transition: border-color var(--transition);
        }
        .navbar-toggler:hover {
            border-color: var(--brand-gold);
        }
        .navbar-toggler-icon {
            background-image: none;
            position: relative;
            width: 22px;
            height: 16px;
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after,
        .navbar-toggler-icon span {
            content: '';
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: #E6EDF3;
            border-radius: 2px;
            transition: background var(--transition);
        }
        .navbar-toggler-icon::before {
            top: 0;
        }
        .navbar-toggler-icon span {
            top: 7px;
        }
        .navbar-toggler-icon::after {
            bottom: 0;
        }
        .navbar-toggler:hover .navbar-toggler-icon::before,
        .navbar-toggler:hover .navbar-toggler-icon span,
        .navbar-toggler:hover .navbar-toggler-icon::after {
            background: var(--brand-gold);
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 0;
            min-height: 560px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background-color: var(--bg-primary);
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.38;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(8, 16, 30, 0.88) 0%, rgba(10, 20, 36, 0.62) 45%, rgba(13, 27, 47, 0.75) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 70px;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            max-width: 720px;
        }
        .hero-title .brand-highlight {
            color: var(--brand-gold);
            text-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
        }
        .hero-title .title-sep {
            color: var(--text-muted);
            font-weight: 300;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 34px;
        }
        .hero-data-float {
            position: absolute;
            right: 3%;
            bottom: 50px;
            z-index: 3;
            padding: 18px 22px;
            border-radius: var(--card-radius);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-card);
            min-width: 220px;
        }
        .hero-data-float .float-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .hero-data-float .float-value {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1.2;
        }
        .hero-data-float .float-sub {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            padding: 28px 0;
            background-color: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .data-strip .strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-strip .strip-item {
            text-align: center;
            padding: 8px 12px;
        }
        .data-strip .strip-number {
            font-family: var(--font-num);
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .data-strip .strip-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix .matrix-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 20px;
        }
        .service-matrix .matrix-left {
            grid-row: span 2;
            padding: 36px 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .service-matrix .matrix-left h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .service-matrix .matrix-left p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 18px;
        }
        .service-matrix .matrix-left .matrix-icon {
            font-size: 40px;
            color: var(--brand-gold);
            margin-bottom: 18px;
        }
        .service-matrix .matrix-right {
            padding: 24px 28px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .service-matrix .matrix-right .matrix-icon-sm {
            font-size: 24px;
            color: var(--brand-gold);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .service-matrix .matrix-right h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .service-matrix .matrix-right p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .brand-intro .intro-wrap {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro .intro-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }
        .brand-intro .intro-text p + p {
            margin-top: 12px;
        }
        .brand-intro .intro-img {
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--glass-border);
        }
        .brand-intro .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* ========== ADVANTAGE ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .advantage-card {
            padding: 30px 28px;
            text-align: center;
        }
        .advantage-card .adv-icon {
            font-size: 32px;
            color: var(--brand-gold);
            margin-bottom: 14px;
        }
        .advantage-card .adv-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .advantage-card .adv-number small {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .advantage-card .adv-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }
        .advantage-card .adv-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 10px;
            line-height: 1.7;
        }

        /* ========== PROCESS FLOW ========== */
        .process-flow .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }
        .process-flow .flow-step {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }
        .process-flow .step-node {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-gold);
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            font-weight: 600;
        }
        .process-flow .step-node::after {
            content: '';
            position: absolute;
            top: 50%;
            left: calc(100% + 8px);
            width: calc(100% - 16px);
            height: 2px;
            background: rgba(255, 255, 255, 0.12);
            z-index: 1;
        }
        .process-flow .flow-step:last-child .step-node::after {
            display: none;
        }
        .process-flow .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .process-flow .step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== SCENE ENTRY ========== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .scene-card {
            overflow: hidden;
            border-radius: var(--card-radius);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition-slow);
        }
        .scene-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scene-card .scene-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .scene-card .scene-body {
            padding: 18px 20px;
        }
        .scene-card .scene-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scene-card .scene-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CASE WALL ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            overflow: hidden;
            border-radius: var(--card-radius);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition-slow);
        }
        .case-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .case-card .case-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .case-card .case-body {
            padding: 20px 22px;
        }
        .case-card .case-tag {
            font-size: 12px;
            color: var(--brand-gold);
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            display: block;
        }
        .case-card .case-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .case-card .case-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 16px 20px;
            border-radius: var(--card-radius);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
            transition: border-color var(--transition), transform var(--transition-slow), background var(--transition);
        }
        .news-item:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            transform: translateY(-2px);
        }
        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .news-item .news-info {
            flex: 1;
        }
        .news-item .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: block;
        }
        .news-item .news-title:hover {
            color: var(--brand-gold);
        }
        .news-item .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .news-item .news-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== PARTNERS ========== */
        .partners-strip {
            background-color: var(--bg-deep);
            border-radius: var(--card-radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 18px;
        }
        .partner-logo {
            height: 52px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            transition: border-color var(--transition), color var(--transition);
        }
        .partner-logo:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            padding: 26px 24px;
        }
        .testimonial-card .testimonial-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .testimonial-card .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.16);
            border: 1px solid rgba(212, 175, 55, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-gold);
            flex-shrink: 0;
        }
        .testimonial-card .user-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .testimonial-card .user-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius) !important;
            margin-bottom: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-wrap .accordion-item:last-child {
            margin-bottom: 0;
        }
        .faq-wrap .accordion-item:hover {
            border-color: var(--glass-border-hover);
        }
        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: color var(--transition);
            letter-spacing: 0.01em;
        }
        .faq-wrap .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--brand-gold);
            width: auto;
            height: auto;
            transition: transform var(--transition);
        }
        .faq-wrap .accordion-button:not(.collapsed)::after {
            content: '−';
            transform: rotate(0deg);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--brand-gold);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            outline: 2px solid var(--brand-gold);
            outline-offset: -2px;
            border-radius: var(--card-radius);
            box-shadow: none;
        }
        .faq-wrap .accordion-body {
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 22px 18px;
        }
        .faq-wrap .accordion-collapse {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ========== GUARANTEE BAR ========== */
        .guarantee-bar {
            background-color: var(--bg-deep);
            border-radius: var(--card-radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 26px 30px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-card);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .guarantee-item .g-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-gold);
            flex-shrink: 0;
        }
        .guarantee-item .g-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .guarantee-item .g-sub {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== SUBSCRIBE ========== */
        .subscribe-section {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .subscribe-card {
            padding: 44px 40px;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }
        .subscribe-card .subscribe-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .subscribe-card .subscribe-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--btn-radius);
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
        }

        /* ========== FINAL CTA ========== */
        .final-cta {
            background-color: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(8, 16, 30, 0.95) 60%);
            z-index: 0;
        }
        .final-cta .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            padding: 70px 0;
        }
        .final-cta .cta-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .final-cta .cta-title .gold {
            color: var(--brand-gold);
            text-shadow: 0 0 24px rgba(212, 175, 55, 0.35);
        }
        .final-cta .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 52px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--brand-gold);
        }
        .footer-contact p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .footer-contact .contact-icon {
            color: var(--brand-gold);
            margin-right: 6px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 18px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .hero-title {
                font-size: 34px;
            }
            .hero-data-float {
                position: relative;
                right: auto;
                bottom: auto;
                margin-top: 20px;
                max-width: 320px;
            }
            .service-matrix .matrix-grid {
                grid-template-columns: 1fr;
            }
            .service-matrix .matrix-left {
                grid-row: auto;
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .process-flow .step-node::after {
                display: none;
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .brand-intro .intro-wrap {
                grid-template-columns: 1fr;
            }
            .navbar-nav {
                gap: 6px;
                padding: 16px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
            }
            .navbar-nav .nav-link::after {
                bottom: 4px;
            }
        }

        @media (max-width: 767px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-content {
                padding: 56px 0 48px;
            }
            .data-strip .strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .guarantee-bar {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-card {
                padding: 20px;
            }
            .final-cta .cta-title {
                font-size: 26px;
            }
            .process-flow .flow-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 575px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-gold,
            .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
            .stat-number {
                font-size: 32px;
            }
            .advantage-card .adv-number {
                font-size: 32px;
            }
            .partners-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .partner-logo {
                height: 44px;
                font-size: 11px;
            }
            .brand-intro .intro-img img {
                min-height: 220px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }
        
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        
        a:hover {
            color: var(--brand-gold-hover);
        }
        
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button,
        input {
            font-family: inherit;
        }
        
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        
        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        
        .section-title .gold {
            color: var(--brand-gold);
        }
        
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }
        
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }
        
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }
        
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(255, 255, 255, 0.22);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        
        .btn-outline-light:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.06);
        }
        
        /* Header */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1030;
            padding: 0;
        }
        
        .site-header .navbar {
            padding: 14px 0;
        }
        
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        
        .brand-logo:hover {
            color: var(--text-primary);
            text-decoration: none;
        }
        
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #D4AF37, #E8C55B);
            color: #0A1424;
            font-weight: 800;
            font-size: 18px;
            border-radius: 8px;
            box-shadow: 0 2px 12px rgba(212, 175, 55, 0.3);
        }
        
        .site-header .navbar-nav .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            position: relative;
            letter-spacing: 0.01em;
            transition: color var(--transition);
        }
        
        .site-header .navbar-nav .nav-link:hover {
            color: var(--brand-gold-hover);
        }
        
        .site-header .navbar-nav .nav-link.active {
            color: var(--brand-gold);
        }
        
        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
        }
        
        .navbar-cta {
            margin-left: 20px;
            font-size: 13px;
            padding: 10px 22px;
        }
        
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 6px 10px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.04);
        }
        
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
        }
        
        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 24px;
            height: 18px;
        }
        
        .navbar-toggler-icon span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        
        /* Page Header */
        .page-header {
            background: linear-gradient(135deg, #08101E 0%, #0D1B2F 55%, #10243D 100%);
            padding: 56px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .breadcrumb-wrap {
            padding: 0;
            margin: 0 0 18px;
            background: transparent;
        }
        
        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 13px;
        }
        
        .breadcrumb-wrap .breadcrumb-item {
            color: var(--text-muted);
        }
        
        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--text-secondary);
        }
        
        .breadcrumb-wrap .breadcrumb-item a:hover {
            color: var(--brand-gold-hover);
        }
        
        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--brand-gold);
        }
        
        .breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before {
            color: var(--text-muted);
            content: '>';
        }
        
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        
        .page-header .page-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        
        /* Info Data Strip */
        .data-strip-section {
            padding: 24px 0;
            background: var(--bg-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .data-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        
        .data-strip li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        .data-strip li i {
            color: var(--brand-gold);
            font-size: 14px;
        }
        
        .data-strip li .strip-value {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 14px;
        }
        
        /* Match Stats Grid */
        .stats-grid-section {
            padding-top: 64px;
            padding-bottom: 40px;
        }
        
        .match-stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            height: 100%;
            overflow: hidden;
        }
        
        .match-stat-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        
        .match-stat-card .card-cover {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
            border-bottom: 1px solid var(--glass-border);
        }
        
        .match-stat-card .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 20, 36, 0.15) 0%, rgba(10, 20, 36, 0.7) 100%);
        }
        
        .match-stat-card .card-cover .match-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 1;
            background: rgba(10, 20, 36, 0.82);
            color: var(--brand-gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--tag-radius);
            border: 1px solid rgba(212, 175, 55, 0.3);
            letter-spacing: 0.04em;
        }
        
        .match-stat-card .card-body {
            padding: 20px 22px 22px;
        }
        
        .match-stat-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        
        .match-stat-card .card-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        
        .stat-chart-placeholder {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 60px;
            padding: 8px 10px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .stat-chart-placeholder .bar {
            flex: 1;
            border-radius: 3px 3px 0 0;
            background: linear-gradient(180deg, rgba(212, 175, 55, 0.75) 0%, rgba(212, 175, 55, 0.25) 100%);
            min-height: 8px;
            transition: height var(--transition-slow), background var(--transition);
        }
        
        .match-stat-card:hover .stat-chart-placeholder .bar {
            background: linear-gradient(180deg, rgba(232, 197, 91, 0.9) 0%, rgba(212, 175, 55, 0.4) 100%);
        }
        
        .stat-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        
        .stat-legend span {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 10px;
            border-radius: var(--tag-radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        /* Featured Section */
        .featured-section {
            padding-top: 40px;
            padding-bottom: 64px;
        }
        
        .featured-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            padding: 20px;
            height: 100%;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        
        .featured-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        
        .featured-card .feat-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 175, 55, 0.12);
            border-radius: 10px;
            color: var(--brand-gold);
            font-size: 18px;
            border: 1px solid rgba(212, 175, 55, 0.2);
        }
        
        .featured-card .feat-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        
        .featured-card .feat-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* Tags */
        .tags-section {
            padding-top: 40px;
            padding-bottom: 64px;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tag-item {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            padding: 7px 18px;
            border-radius: var(--tag-radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
            text-decoration: none;
        }
        
        .tag-item:hover {
            color: var(--brand-gold-hover);
            border-color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.08);
            text-decoration: none;
        }
        
        /* Data Snapshot Section */
        .snapshot-section {
            padding-top: 64px;
            padding-bottom: 64px;
        }
        
        .snapshot-card {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(10, 20, 36, 0.5) 100%);
            border: 1px solid rgba(212, 175, 55, 0.2);
            border-radius: var(--card-radius-lg);
            padding: 36px 32px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        
        .snapshot-card .snapshot-label {
            font-size: 13px;
            color: var(--brand-gold);
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        
        .snapshot-card .snapshot-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.35;
        }
        
        .snapshot-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
        }
        
        .snapshot-number {
            text-align: left;
        }
        
        .snapshot-number .num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        
        .snapshot-number .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        
        /* View More Button */
        .view-more-section {
            padding-top: 20px;
            padding-bottom: 64px;
            text-align: center;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 0;
            margin-top: 0;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .footer-brand .brand-logo {
            font-size: 18px;
            margin-bottom: 14px;
        }
        
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 0;
        }
        
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }
        
        .footer-contact p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        
        .contact-icon {
            color: var(--brand-gold);
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 4px;
        }
        
        .footer-bottom {
            padding: 18px 0;
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        
        /* Responsive */
        @media (max-width: 991.98px) {
            section {
                padding: 56px 0;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            
            .footer-brand {
                grid-column: 1 / -1;
            }
            
            .navbar-cta {
                margin-left: 0;
                margin-top: 12px;
            }
            
            .site-header .navbar-nav .nav-link.active::after {
                left: 0;
                right: 0;
            }
            
            .site-header .navbar-nav .nav-link {
                padding: 10px 0;
            }
        }
        
        @media (max-width: 767.98px) {
            section {
                padding: 48px 0;
            }
            
            .page-header {
                padding: 40px 0 32px;
            }
            
            .page-header h1 {
                font-size: 28px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-brand {
                grid-column: auto;
            }
            
            .snapshot-card {
                padding: 24px 20px;
            }
            
            .snapshot-number .num {
                font-size: 28px;
            }
            
            .snapshot-numbers {
                gap: 16px 28px;
            }
            
            .match-stat-card .card-cover {
                height: 130px;
            }
        }
        
        @media (max-width: 519.98px) {
            .page-header h1 {
                font-size: 24px;
            }
            
            .section-title {
                font-size: 22px;
            }
            
            .data-strip {
                gap: 10px 18px;
            }
            
            .data-strip li {
                font-size: 12px;
            }
            
            .snapshot-numbers {
                flex-direction: column;
                gap: 12px;
            }
            
            .snapshot-card .snapshot-title {
                font-size: 20px;
            }
            
            .match-stat-card .card-cover {
                height: 120px;
            }
            
            .featured-card {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-gold-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-title .gold {
            color: var(--brand-gold);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--glass-border);
            transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition-slow);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.06);
            transform: translateY(-1px);
        }
        .btn-outline-gold:active {
            transform: translateY(0);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 999;
            padding: 0;
        }
        .site-header .navbar {
            padding: 0;
            min-height: 64px;
        }
        .site-header .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--brand-gold-hover);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #D4AF37 0%, #A8862D 100%);
            color: #0A1424;
            font-weight: 800;
            font-size: 16px;
            border-radius: 8px;
            box-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
        }
        .site-header .navbar-nav {
            gap: 2px;
        }
        .site-header .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 20px 14px !important;
            position: relative;
            letter-spacing: 0.02em;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            background: var(--brand-gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
            border-radius: 2px;
        }
        .site-header .nav-link:hover {
            color: var(--brand-gold);
        }
        .site-header .nav-link:hover::after {
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--brand-gold);
        }
        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }
        .navbar-cta {
            margin-left: 16px;
            padding: 9px 20px !important;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--btn-radius);
            background: var(--brand-gold);
            color: #0A1424;
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 14px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .navbar-cta:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 22px rgba(212, 175, 55, 0.5);
            transform: translateY(-1px);
            color: #0A1424;
        }
        .navbar-toggler {
            border: 1px solid var(--glass-border);
            background: rgba(255, 255, 255, 0.04);
            padding: 8px 10px;
            border-radius: 8px;
            transition: border-color var(--transition);
        }
        .navbar-toggler:hover {
            border-color: var(--brand-gold);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--gold-glow-soft);
            outline: none;
        }
        .navbar-toggler-icon {
            position: relative;
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: background var(--transition);
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            position: absolute;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition-slow);
        }
        .navbar-toggler-icon::before {
            top: -6px;
        }
        .navbar-toggler-icon::after {
            bottom: -6px;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
            background: transparent;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
            top: 0;
            transform: rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
            bottom: 0;
            transform: rotate(-45deg);
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: 52px 0 42px;
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .page-header h1 .gold {
            color: var(--brand-gold);
        }
        .page-header .page-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0 0 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--brand-gold);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--brand-gold);
            font-weight: 500;
        }

        /* ===== Info Strip ===== */
        .info-strip {
            padding: 24px 0;
            background: var(--bg-elevated);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .info-strip .strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .strip-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .strip-item i {
            color: var(--brand-gold);
            font-size: 15px;
        }
        .strip-item strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .strip-divider {
            width: 1px;
            height: 20px;
            background: rgba(255, 255, 255, 0.1);
            margin: 0 8px;
        }

        /* ===== News List ===== */
        .news-list-section {
            padding: 60px 0 72px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: flex;
            align-items: stretch;
            gap: 24px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            padding: 0;
        }
        .news-item:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .news-item .news-img {
            flex: 0 0 300px;
            max-width: 300px;
            min-height: 180px;
            background: var(--bg-elevated);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .news-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-item:hover .news-img img {
            transform: scale(1.04);
        }
        .news-item .news-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 20, 36, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }
        .news-item .news-body {
            flex: 1;
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-item .news-date i {
            color: var(--brand-gold);
            font-size: 12px;
        }
        .news-item .news-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color var(--transition);
        }
        .news-item:hover .news-title {
            color: var(--brand-gold-hover);
        }
        .news-item .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .news-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 3px 12px;
            border-radius: var(--tag-radius);
            transition: border-color var(--transition), color var(--transition);
        }
        .news-tag:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
        }
        .news-item.reverse {
            flex-direction: row-reverse;
        }
        .news-item.reverse .news-img::after {
            background: linear-gradient(240deg, rgba(10, 20, 36, 0.15) 0%, transparent 50%);
        }

        /* ===== Featured Picks ===== */
        .featured-section {
            padding: 64px 0 72px;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .featured-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .featured-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-card .featured-img {
            width: 100%;
            height: 160px;
            background: var(--bg-elevated);
            overflow: hidden;
            position: relative;
        }
        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-img img {
            transform: scale(1.05);
        }
        .featured-card .featured-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 20, 36, 0.5) 100%);
            pointer-events: none;
        }
        .featured-card .featured-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card .featured-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-gold);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .featured-card .featured-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .featured-card:hover .featured-title {
            color: var(--brand-gold-hover);
        }
        .featured-card .featured-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .featured-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition), gap var(--transition);
            text-decoration: none;
        }
        .featured-link:hover {
            color: var(--brand-gold-hover);
            gap: 8px;
        }

        /* ===== Tag Cloud ===== */
        .tag-section {
            padding: 56px 0 64px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tag-cloud a {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 7px 20px;
            border-radius: var(--tag-radius);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .tag-cloud a:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.08);
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-section {
            padding: 64px 0 72px;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .subscribe-box {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius-lg);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .subscribe-box .subscribe-text {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-box .subscribe-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .subscribe-box .subscribe-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 0 0 auto;
            min-width: 300px;
            max-width: 440px;
            width: 100%;
        }
        .subscribe-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--btn-radius);
            padding: 11px 18px;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            min-width: 0;
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input:focus {
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
        }

        /* ===== More Button Section ===== */
        .more-section {
            padding: 20px 0 70px;
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col ul a:hover {
            color: var(--brand-gold);
        }
        .footer-contact p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .contact-icon {
            color: var(--brand-gold);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 18px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .site-header .navbar .container {
                flex-wrap: wrap;
            }
            .site-header .navbar-collapse {
                background: var(--bg-deep);
                padding: 12px 16px 16px;
                border-radius: 12px;
                border: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 8px;
                width: 100%;
            }
            .site-header .navbar-nav {
                gap: 0;
                margin-bottom: 10px;
            }
            .site-header .nav-link {
                padding: 10px 8px !important;
                font-size: 14px;
            }
            .site-header .nav-link::after {
                left: 8px;
                right: 8px;
                bottom: 4px;
            }
            .navbar-cta {
                margin-left: 0;
                padding: 9px 18px !important;
                font-size: 13px;
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .news-item .news-img {
                flex: 0 0 220px;
                max-width: 220px;
                min-height: 150px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-box {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                min-width: 100%;
                max-width: 100%;
            }
        }
        @media (max-width: 767.98px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .page-header {
                padding: 36px 0 30px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .news-item,
            .news-item.reverse {
                flex-direction: column;
            }
            .news-item .news-img {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
                height: 190px;
                min-height: 190px;
            }
            .news-item .news-body {
                padding: 18px 20px;
            }
            .news-item .news-title {
                font-size: 17px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card .featured-img {
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .strip-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .strip-divider {
                display: none;
            }
            .subscribe-box {
                padding: 22px 18px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form .btn-gold {
                width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-gold-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-title .gold {
            color: var(--brand-gold);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(212, 175, 55, 0.45);
            transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition-slow);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline-gold:active {
            transform: translateY(0);
        }
        .badge-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: var(--tag-radius);
            background: rgba(212, 175, 55, 0.10);
            color: var(--brand-gold);
            border: 1px solid rgba(212, 175, 55, 0.18);
            transition: background var(--transition), border-color var(--transition), color var(--transition);
            text-decoration: none;
        }
        .badge-tag:hover {
            background: rgba(212, 175, 55, 0.18);
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
        }
        .badge-neutral {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: var(--tag-radius);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--glass-border);
        }
        /* Header */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
        }
        .site-header .navbar {
            padding: 14px 0;
            background: var(--bg-deep);
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .brand-logo:hover {
            color: var(--brand-gold-hover);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-gold), #A8872B);
            color: #0A1424;
            font-weight: 800;
            font-size: 18px;
            box-shadow: 0 0 16px rgba(212, 175, 55, 0.35);
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px !important;
            position: relative;
            transition: color var(--transition);
            letter-spacing: 0.02em;
        }
        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0);
            transform-origin: center;
            transition: opacity var(--transition), transform var(--transition-slow);
        }
        .site-header .nav-link:hover {
            color: var(--brand-gold-hover);
        }
        .site-header .nav-link:hover::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .site-header .nav-link.active {
            color: var(--brand-gold);
        }
        .site-header .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .navbar-cta {
            margin-left: 16px;
            padding: 10px 22px;
            font-size: 13px;
            box-shadow: 0 0 14px rgba(212, 175, 55, 0.25);
        }
        .navbar-toggler {
            border: 1px solid var(--glass-border);
            border-radius: 8px;
            padding: 8px 10px;
            background: var(--glass-bg);
            transition: border-color var(--transition);
        }
        .navbar-toggler:hover {
            border-color: var(--brand-gold);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
            outline: none;
        }
        .navbar-toggler-icon {
            display: flex;
            flex-direction: column;
            gap: 5px;
            justify-content: center;
        }
        .navbar-toggler-icon span,
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: background var(--transition);
        }
        .navbar-toggler-icon span {
            background: var(--brand-gold);
        }
        /* Page Header */
        .page-header {
            background: linear-gradient(135deg, #08101E 0%, #0D1B2F 55%, #10243D 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-header .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }
        .page-header .breadcrumb-wrap a {
            color: var(--text-secondary);
        }
        .page-header .breadcrumb-wrap a:hover {
            color: var(--brand-gold-hover);
        }
        .page-header .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .page-header h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }
        .page-header .page-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            position: relative;
            z-index: 1;
            margin-bottom: 0;
        }
        /* Info strip */
        .info-strip {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 18px 0;
        }
        .info-strip .strip-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            align-items: center;
        }
        .info-strip .strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .info-strip .strip-item i {
            color: var(--brand-gold);
            font-size: 15px;
            width: 20px;
            text-align: center;
        }
        /* Team cards */
        .team-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .team-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }
        .team-card .team-cover {
            position: relative;
            aspect-ratio: 16/9;
            background: #0D1B2F;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .team-card .team-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .team-card:hover .team-cover img {
            transform: scale(1.04);
        }
        .team-card .team-cover .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 16, 30, 0.05) 0%, rgba(8, 16, 30, 0.55) 100%);
            pointer-events: none;
        }
        .team-card .team-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-card .team-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .team-card .team-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .team-card .team-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .team-card .team-stats {
            display: flex;
            gap: 18px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .team-card .team-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .team-card .team-stat .stat-num {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1.2;
        }
        .team-card .team-stat .stat-label {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        /* Featured section */
        .featured-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-card .featured-cover {
            aspect-ratio: 16/9;
            background: #0D1B2F;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }
        .featured-card .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-card .featured-body {
            padding: 18px 20px 20px;
            flex: 1;
        }
        .featured-card .featured-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .featured-card .featured-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Tags */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tags-cloud a {
            text-decoration: none;
        }
        /* Subscribe CTA */
        .subscribe-panel {
            background: linear-gradient(135deg, #10243D 0%, #0D1B2F 60%, #08101E 100%);
            border: 1px solid rgba(212, 175, 55, 0.18);
            border-radius: var(--card-radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .subscribe-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-panel .subscribe-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .subscribe-panel .subscribe-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            padding: 12px 18px;
            border-radius: var(--btn-radius);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            font-size: 18px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--brand-gold-hover);
        }
        .footer-contact p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .footer-contact .contact-icon {
            color: var(--brand-gold);
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        /* Responsive */
        @media (max-width: 992px) {
            section {
                padding: 56px 0;
            }
            .page-header {
                padding: 40px 0 36px;
            }
            .page-header h1 {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 8px;
                width: fit-content;
            }
            .navbar-collapse {
                padding-top: 12px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .subscribe-panel {
                padding: 28px 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
            .team-card .team-stats {
                flex-wrap: wrap;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 24px;
            }
            .info-strip .strip-inner {
                gap: 12px 24px;
            }
            .info-strip .strip-item {
                font-size: 12px;
            }
            .btn-gold,
            .btn-outline-gold {
                font-size: 13px;
                padding: 10px 20px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }

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

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--brand-gold-hover);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }

        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-title .gold {
            color: var(--brand-gold);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }

        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(255, 255, 255, 0.16);
            transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition-slow);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.06);
            transform: translateY(-2px);
        }

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

        /* Header / Navigation */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .brand-logo:hover {
            color: var(--brand-gold);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--brand-gold) 0%, #A8842C 100%);
            color: #0A1424;
            font-size: 18px;
            font-weight: 700;
            border-radius: 10px;
            box-shadow: 0 0 14px var(--gold-glow-soft);
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px !important;
            position: relative;
            transition: color var(--transition);
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.6);
            transition: opacity var(--transition), transform var(--transition-slow);
        }

        .site-header .nav-link:hover {
            color: var(--brand-gold);
        }

        .site-header .nav-link:hover::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .site-header .nav-link.active {
            color: var(--brand-gold);
        }

        .site-header .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .navbar-cta {
            font-size: 13px;
            padding: 10px 22px;
            margin-left: 16px;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--brand-gold);
        }

        .navbar-toggler-icon {
            background: none;
            position: relative;
            width: 22px;
            height: 18px;
            display: block;
        }

        .navbar-toggler-icon span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            margin: 4px 0;
            border-radius: 2px;
            transition: background var(--transition);
        }

        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span {
            background: var(--brand-gold);
        }

        /* Page Header */
        .page-header {
            background: var(--bg-deep);
            padding: 56px 0 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header .breadcrumb {
            margin-bottom: 16px;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--brand-gold);
        }

        .page-header .breadcrumb-item a {
            color: var(--text-secondary);
            font-size: 13px;
            text-decoration: none;
        }

        .page-header .breadcrumb-item a:hover {
            color: var(--brand-gold);
        }

        .page-header .breadcrumb-item.active {
            font-size: 13px;
        }

        .page-header h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .page-header .header-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* Info Strip */
        .info-strip {
            padding: 24px 0;
            background: var(--bg-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .info-strip .strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .info-strip .strip-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .info-strip .strip-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(212, 175, 55, 0.10);
            color: var(--brand-gold);
            font-size: 15px;
            flex-shrink: 0;
        }

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

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

        /* Puzzle Grid Section */
        .puzzle-section {
            padding-top: 64px;
            padding-bottom: 64px;
        }

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

        .puzzle-card {
            position: relative;
            border-radius: var(--card-radius-lg);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            display: flex;
            flex-direction: column;
        }

        .puzzle-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .puzzle-card-large {
            grid-column: span 2;
            min-height: 320px;
        }

        .puzzle-card-small {
            grid-column: span 1;
            min-height: 320px;
        }

        .puzzle-card .card-img-wrap {
            position: relative;
            flex-shrink: 0;
            overflow: hidden;
            background: var(--bg-elevated);
        }

        .puzzle-card-large .card-img-wrap {
            height: 220px;
        }

        .puzzle-card-small .card-img-wrap {
            height: 140px;
        }

        .puzzle-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
            transition: opacity var(--transition-slow), transform var(--transition-slow);
        }

        .puzzle-card:hover .card-img-wrap img {
            opacity: 1;
            transform: scale(1.03);
        }

        .puzzle-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: #0A1424;
            background: var(--brand-gold);
            padding: 3px 12px;
            border-radius: var(--tag-radius);
            letter-spacing: 0.03em;
        }

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

        .puzzle-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .puzzle-card .card-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }

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

        .puzzle-card .card-meta i {
            color: var(--brand-gold);
            font-size: 12px;
        }

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

        .featured-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px;
            border-radius: var(--card-radius);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            transition: border-color var(--transition), background var(--transition), transform var(--transition-slow);
        }

        .featured-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            transform: translateY(-3px);
        }

        .featured-card .featured-img {
            width: 64px;
            height: 64px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }

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

        .featured-card .featured-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .featured-card .featured-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-pill {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            padding: 6px 18px;
            border-radius: var(--tag-radius);
            transition: all var(--transition);
            text-decoration: none;
        }

        .tag-pill:hover {
            color: var(--brand-gold);
            border-color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.08);
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--bg-deep);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--card-radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta .subscribe-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.12);
            color: var(--brand-gold);
            font-size: 22px;
            margin-bottom: 16px;
        }

        .subscribe-cta h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--btn-radius);
            padding: 12px 18px;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
        }

        .subscribe-form .btn-gold {
            flex-shrink: 0;
            padding: 12px 30px;
        }

        /* View More */
        .view-more-wrap {
            text-align: center;
            padding: 16px 0 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 56px;
            padding-bottom: 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-logo {
            font-size: 18px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 280px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-contact p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .contact-icon {
            color: var(--brand-gold);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .site-header .navbar-nav {
                padding-top: 12px;
                padding-bottom: 12px;
                gap: 0;
            }
            .site-header .nav-link {
                padding: 10px 0 !important;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .site-header .nav-link::after {
                display: none;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }

            .page-header h1 {
                font-size: 30px;
            }

            .puzzle-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .puzzle-card-large,
            .puzzle-card-small {
                grid-column: span 1;
                min-height: auto;
            }
            .puzzle-card-large .card-img-wrap {
                height: 180px;
            }
            .puzzle-card-small .card-img-wrap {
                height: 160px;
            }

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

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

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

            .subscribe-cta {
                padding: 36px 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn-gold {
                width: 100%;
            }
        }

        @media (max-width: 575px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .page-header {
                padding: 40px 0 32px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .header-desc {
                font-size: 13px;
            }

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

            .puzzle-section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .puzzle-card-large .card-img-wrap {
                height: 160px;
            }
            .puzzle-card-small .card-img-wrap {
                height: 140px;
            }
            .puzzle-card .card-body {
                padding: 16px 18px;
            }

            .subscribe-cta h3 {
                font-size: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A1424;
            --bg-secondary: #0D1B2F;
            --bg-elevated: #10243D;
            --bg-deep: #08101E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-border-hover: rgba(212, 175, 55, 0.45);
            --text-primary: #F5F7FA;
            --text-secondary: #A0B4C6;
            --text-muted: #6D8298;
            --brand-gold: #D4AF37;
            --brand-gold-hover: #E8C55B;
            --gold-glow: rgba(212, 175, 55, 0.35);
            --gold-glow-soft: rgba(212, 175, 55, 0.18);
            --card-radius: 14px;
            --card-radius-lg: 16px;
            --btn-radius: 8px;
            --tag-radius: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.48);
            --container-max: 1200px;
            --section-pad-desktop: 80px 0;
            --section-pad-mobile: 52px 0;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-num: 'SF Mono', 'Roboto Mono', 'Consolas', 'PingFang SC', 'Microsoft YaHei', monospace;
            --transition: 0.2s ease;
            --transition-slow: 0.32s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: linear-gradient(180deg, #0A1424 0%, #0D1B2F 40%, #0A1424 100%);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-gold-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--brand-gold);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 14px;
            border-radius: var(--tag-radius);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .section-title .gold {
            color: var(--brand-gold);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--brand-gold);
            box-shadow: 0 0 18px var(--gold-glow);
            transition: background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow), border-color var(--transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 28px rgba(212, 175, 55, 0.52);
            transform: translateY(-2px);
            color: #0A1424;
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 0 12px var(--gold-glow);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 14px;
            padding: 11px 26px;
            border-radius: var(--btn-radius);
            border: 1px solid rgba(255, 255, 255, 0.22);
            transition: border-color var(--transition), color var(--transition), background var(--transition), box-shadow var(--transition-slow);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.06);
            box-shadow: 0 0 16px var(--gold-glow-soft);
        }
        .btn-outline-gold:active {
            box-shadow: 0 0 8px var(--gold-glow-soft);
            transform: translateY(1px);
        }
        .tag-chip {
            display: inline-block;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            padding: 6px 18px;
            border-radius: var(--tag-radius);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
            text-decoration: none;
            cursor: pointer;
        }
        .tag-chip:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold-hover);
            background: rgba(212, 175, 55, 0.08);
        }
        .form-control-dark {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            border-radius: var(--btn-radius);
            padding: 12px 18px;
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-control-dark::placeholder {
            color: var(--text-muted);
        }
        .form-control-dark:focus {
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-primary);
            outline: none;
        }

        /* Header / Nav */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .brand-logo:hover {
            color: var(--text-primary);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand-gold);
            color: #0A1424;
            font-weight: 800;
            font-size: 18px;
            border-radius: 8px;
            box-shadow: 0 0 12px var(--gold-glow-soft);
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            color: #E6EDF3;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px !important;
            position: relative;
            transition: color var(--transition);
            letter-spacing: 0.01em;
            border-radius: 4px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 24px;
        }
        .nav-link:hover {
            color: var(--brand-gold);
        }
        .nav-link.active {
            color: var(--brand-gold);
        }
        .navbar-cta {
            font-size: 13px;
            padding: 10px 22px;
            margin-left: 12px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 6px;
            padding: 6px 10px;
            background: rgba(255, 255, 255, 0.04);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--gold-glow-soft);
            outline: none;
        }
        .navbar-toggler-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 18px;
            position: relative;
        }
        .navbar-toggler-icon span,
        .navbar-toggler-icon span::before,
        .navbar-toggler-icon span::after {
            content: '';
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            position: absolute;
        }
        .navbar-toggler-icon span::before {
            top: -7px;
        }
        .navbar-toggler-icon span::after {
            top: 7px;
        }

        /* Page Header */
        .page-header {
            background: var(--bg-deep);
            background-image: linear-gradient(160deg, #0A1424 0%, #0D1B2F 55%, #10243D 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -80px;
            right: 10%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb-wrap {
            margin-bottom: 18px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            background: transparent;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--brand-gold);
        }
        .breadcrumb .divider {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--brand-gold);
        }
        .page-header h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }
        .page-header h1 .gold {
            color: var(--brand-gold);
        }
        .page-header-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Info Strip */
        .info-strip {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            padding: 18px 0;
        }
        .info-strip-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 28px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .info-strip-content .strip-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            white-space: nowrap;
        }
        .info-strip-content .strip-item i {
            color: var(--brand-gold);
            font-size: 12px;
        }
        .strip-divider {
            width: 1px;
            height: 18px;
            background: rgba(255, 255, 255, 0.10);
        }

        /* Course Strips */
        .course-strip {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius-lg);
            box-shadow: var(--shadow-card);
            padding: 26px 28px;
            margin-bottom: 20px;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
        }
        .course-strip:last-child {
            margin-bottom: 0;
        }
        .course-strip:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .course-strip-number {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 175, 55, 0.10);
            border: 1px solid rgba(212, 175, 55, 0.22);
            border-radius: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-num);
            letter-spacing: -0.02em;
        }
        .course-strip-body {
            flex: 1;
            min-width: 0;
        }
        .course-strip-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: -0.005em;
        }
        .course-strip-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .course-strip-action {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }
        .course-strip-action .btn-outline-gold {
            font-size: 13px;
            padding: 9px 20px;
            white-space: nowrap;
        }

        /* Featured Cards */
        .featured-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), background var(--transition), box-shadow var(--transition-slow), transform var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            border-color: var(--glass-border-hover);
            background: var(--glass-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--bg-elevated);
        }
        .featured-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.005em;
        }
        .featured-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .featured-card-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-gold);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition), color var(--transition);
        }
        .featured-card-link:hover {
            color: var(--brand-gold-hover);
            gap: 10px;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Subscribe CTA */
        .subscribe-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--card-radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px 32px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 120px;
            background: radial-gradient(ellipse, rgba(212, 175, 55, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-card .section-title {
            margin-bottom: 10px;
        }
        .subscribe-card .section-desc {
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }
        .subscribe-form .form-control-dark {
            flex: 1;
        }

        /* More Link */
        .more-link-wrap {
            text-align: center;
            padding-top: 16px;
        }
        .more-link-wrap .btn-outline-gold {
            font-size: 14px;
            padding: 12px 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 260px;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--brand-gold);
        }
        .footer-contact p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.65;
        }
        .contact-icon {
            color: var(--brand-gold);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-deep);
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 10px;
                padding: 16px 18px;
                margin-top: 12px;
            }
            .navbar-nav {
                gap: 2px;
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 767.98px) {
            section {
                padding: var(--section-pad-mobile);
            }
            .page-header {
                padding: 40px 0 32px;
            }
            .page-header h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .course-strip {
                flex-direction: column;
                gap: 14px;
                padding: 20px 20px;
            }
            .course-strip-number {
                width: 44px;
                height: 44px;
                font-size: 18px;
                border-radius: 10px;
            }
            .course-strip-action {
                width: 100%;
            }
            .course-strip-action .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn-gold {
                width: 100%;
            }
            .info-strip-content {
                gap: 8px 18px;
            }
        }
        @media (max-width: 519.98px) {
            .page-header h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 21px;
            }
            .course-strip-body h3 {
                font-size: 17px;
            }
            .featured-card-body {
                padding: 16px 18px 18px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

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