/* roulang page: index */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-dark);
        }
        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.75rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }
        p {
            margin: 0;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-link-custom.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }
        .nav-chip {
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1.5px solid transparent;
            text-decoration: none;
            display: inline-block;
        }
        .nav-chip.chip-warmup {
            border-color: #F5A623;
            color: #F5A623;
            background: transparent;
        }
        .nav-chip.chip-warmup:hover {
            background: rgba(245, 166, 35, 0.12);
            text-decoration: none;
            color: #F5A623;
        }
        .nav-chip.chip-live {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            animation: chipPulse 2s infinite;
        }
        .nav-chip.chip-live:hover {
            background: var(--color-primary-hover);
            text-decoration: none;
            color: #fff;
        }
        .nav-chip.chip-replay {
            border-color: #9CA3AF;
            color: #9CA3AF;
            background: transparent;
        }
        .nav-chip.chip-replay:hover {
            background: rgba(156, 163, 175, 0.12);
            text-decoration: none;
            color: #9CA3AF;
        }
        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 11, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 11, 0);
            }
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-dark);
            z-index: 1049;
            padding: 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .mobile-menu.show {
            display: flex;
        }
        .mobile-menu .nav-link-custom {
            font-size: 1.1rem;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: #ccc;
        }
        .mobile-menu .nav-link-custom.active {
            color: var(--color-primary);
            background: rgba(255, 107, 11, 0.1);
        }
        .mobile-menu .nav-chip-group {
            border-left: none;
            margin-left: 0;
            padding-left: 0;
            flex-wrap: wrap;
            gap: 10px;
            padding: 12px 0;
        }

        /* Ticker */
        .ticker-bar {
            background: var(--color-dark-secondary);
            color: #fff;
            padding: 10px 0;
            overflow: hidden;
            white-space: nowrap;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ticker-bar .ticker-track {
            display: inline-block;
            animation: tickerScroll 40s linear infinite;
        }
        .ticker-bar .ticker-item {
            display: inline-block;
            margin-right: 48px;
            font-size: 0.9rem;
            color: var(--color-primary);
            font-weight: 500;
        }
        .ticker-bar .ticker-item span {
            color: #ccc;
            font-weight: 400;
            margin-left: 6px;
        }
        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        /* Section */
        .section-custom {
            padding: var(--section-padding) 0;
            position: relative;
        }
        .section-custom.section-alt {
            background-color: var(--color-light-gray);
        }
        .section-custom.section-dark {
            background-color: var(--color-dark);
            color: #fff;
        }
        .section-custom.section-dark h2,
        .section-custom.section-dark h3 {
            color: #fff;
        }
        .section-header {
            margin-bottom: 40px;
            text-align: center;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-lg);
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-desc {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 650px;
            margin: 0 auto;
        }

        /* Metrics Dashboard */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .metric-card .metric-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-lg);
        }
        .metric-card .metric-trend.up {
            color: var(--color-accent-green);
            background: rgba(16, 185, 129, 0.08);
        }
        .metric-card .metric-trend.down {
            color: var(--color-accent-red);
            background: rgba(224, 62, 45, 0.08);
        }
        .metric-card .metric-trend.stable {
            color: var(--color-accent-yellow);
            background: rgba(245, 197, 24, 0.08);
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .metric-card:hover::before {
            opacity: 1;
        }

        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .service-matrix .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-matrix .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .service-matrix .service-card.large {
            grid-row: 1 / 3;
        }
        .service-matrix .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .service-matrix .service-card h3 {
            font-size: 1.2rem;
            margin: 0;
        }
        .service-matrix .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .service-matrix .service-card.large {
            background: var(--color-dark);
            color: #fff;
            border-color: var(--color-dark);
        }
        .service-matrix .service-card.large h3 {
            color: #fff;
            font-size: 1.5rem;
        }
        .service-matrix .service-card.large p {
            color: #ccc;
            font-size: 1rem;
        }
        .service-matrix .service-card.large .service-icon {
            background: rgba(255, 107, 11, 0.25);
            font-size: 2rem;
            width: 60px;
            height: 60px;
        }

        /* Comparison */
        .comparison-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .comparison-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .comparison-card.before {
            border-left: 4px solid #9CA3AF;
        }
        .comparison-card.after {
            border-left: 4px solid var(--color-accent-green);
        }
        .comparison-card .comp-label {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 16px;
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
        }
        .comparison-card.before .comp-label {
            background: #f0f0f0;
            color: #6B7280;
        }
        .comparison-card.after .comp-label {
            background: rgba(16, 185, 129, 0.1);
            color: var(--color-accent-green);
        }
        .comparison-card .comp-stat {
            font-size: 3rem;
            font-weight: 800;
            color: var(--color-dark);
            margin-bottom: 8px;
            letter-spacing: -1px;
        }
        .comparison-card .comp-detail {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .comparison-card .comp-diff {
            display: inline-block;
            margin-top: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 6px 16px;
            border-radius: var(--radius-lg);
        }
        .comparison-card.after .comp-diff {
            background: rgba(16, 185, 129, 0.1);
            color: var(--color-accent-green);
        }
        .comparison-card.before .comp-diff {
            background: rgba(156, 163, 175, 0.1);
            color: #6B7280;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            background: rgba(255, 107, 11, 0.02);
            padding-left: 12px;
            border-radius: 0;
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 55px;
            text-align: center;
            padding-top: 2px;
        }
        .news-item .news-date .day {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            display: block;
        }
        .news-item .news-date .month {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            text-transform: uppercase;
            font-weight: 500;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-item .news-content .news-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-item .news-content .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-item .news-content .read-more:hover {
            gap: 8px;
            text-decoration: none;
        }

        /* Deep Content */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .deep-article {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .deep-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .deep-article .article-img {
            height: 240px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .deep-article .article-body {
            padding: 24px;
        }
        .deep-article .article-body h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .deep-article .article-body p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .deep-article .article-body .article-meta {
            font-size: 0.8rem;
            color: var(--color-text-disabled);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* Live Preview */
        .live-preview-card {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .live-preview-card .live-cover {
            background-size: cover;
            background-position: center;
            min-height: 280px;
            position: relative;
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }
        .live-preview-card .live-cover .live-badge {
            background: var(--color-accent-red);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 700;
            animation: chipPulse 2s infinite;
            display: inline-block;
        }
        .live-preview-card .live-info {
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
            color: #fff;
        }
        .live-preview-card .live-info h3 {
            color: #fff;
            font-size: 1.4rem;
        }
        .live-preview-card .live-info .live-countdown {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
        }
        .live-preview-card .live-info .live-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .live-preview-card .live-info .live-points li {
            font-size: 0.9rem;
            color: #ccc;
            padding-left: 18px;
            position: relative;
        }
        .live-preview-card .live-info .live-points li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        /* Price Comparison */
        .price-compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .price-compare-table thead th {
            background: var(--color-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            border: none;
        }
        .price-compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-md) 0 0 0;
        }
        .price-compare-table thead th:last-child {
            border-radius: 0 var(--radius-md) 0 0;
            background: var(--color-primary);
        }
        .price-compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            vertical-align: middle;
        }
        .price-compare-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
        }
        .price-compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .price-compare-table .check-icon {
            color: var(--color-accent-green);
            font-weight: 700;
            font-size: 1.2rem;
        }
        .price-compare-table .cross-icon {
            color: var(--color-accent-red);
            font-weight: 700;
        }
        .price-compare-table .highlight-col {
            background: rgba(255, 107, 11, 0.03);
        }

        /* Related */
        .related-track {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .related-card .related-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        .related-card .related-body {
            padding: 18px;
        }
        .related-card .related-body h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .related-card .related-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* Brand Intro */
        .brand-intro-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--color-primary);
            border-radius: 0;
        }
        .brand-intro-card h3 {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--color-dark);
        }
        .brand-intro-card p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            background: var(--color-light-gray);
            color: var(--color-dark);
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--color-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: var(--shadow-glow);
            border-color: var(--color-primary);
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition-smooth);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            background: #fff;
        }

        /* CTA Form */
        .cta-form-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #2A1A0A 100%);
            border-radius: var(--radius-md);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 107, 11, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-form-section h3 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .cta-desc {
            color: #ccc;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .cta-form-section .form-row {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto 14px;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .cta-form-section input[type="email"],
        .cta-form-section input[type="tel"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition-fast);
            outline: none;
        }
        .cta-form-section input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-glow);
        }
        .cta-form-section input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form-section .btn-cta {
            padding: 14px 32px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .btn-cta:hover {
            background: var(--color-primary-hover);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(255, 107, 11, 0.4);
        }
        .cta-form-section .btn-cta:active {
            transform: scale(0.97);
        }
        .cta-form-section .checkbox-row {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            color: #ccc;
            font-size: 0.85rem;
            position: relative;
            z-index: 1;
        }
        .cta-form-section .checkbox-row input[type="checkbox"] {
            accent-color: var(--color-primary);
            width: 16px;
            height: 16px;
        }

        /* Success Data Bar */
        .data-bar-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            background: var(--color-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .data-bar-item {
            text-align: center;
            padding: 28px 16px;
            color: #fff;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition-fast);
        }
        .data-bar-item:last-child {
            border-right: none;
        }
        .data-bar-item:hover {
            background: rgba(255, 107, 11, 0.1);
        }
        .data-bar-item .data-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            display: block;
        }
        .data-bar-item .data-label {
            font-size: 0.85rem;
            color: #ccc;
            margin-top: 4px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-card .testimonial-quote {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--color-primary);
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-dark);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-disabled);
        }

        /* Footer */
        .footer-custom {
            background: var(--color-dark);
            color: #ccc;
            padding: 48px 0 32px;
            font-size: 0.9rem;
        }
        .footer-custom .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-custom .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-custom .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-custom .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-custom .footer-col ul li a {
            color: #999;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-custom .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        .footer-custom .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-custom .footer-brand-desc {
            color: #999;
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-custom .footer-bottom a {
            color: #aaa;
            font-size: 0.8rem;
        }
        .footer-custom .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* Buttons */
        .btn-primary-custom {
            display: inline-block;
            padding: 12px 24px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(255, 107, 11, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary-custom:active {
            transform: scale(0.97);
        }
        .btn-primary-custom:focus-visible {
            box-shadow: var(--shadow-glow);
            outline: none;
        }
        .btn-outline-custom {
            display: inline-block;
            padding: 12px 24px;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }
        .btn-outline-custom:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            text-decoration: none;
        }
        .btn-outline-custom:active {
            transform: scale(0.97);
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .service-matrix .service-card.large {
                grid-row: auto;
                grid-column: 1 / -1;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
            }
            .related-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-bar-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .data-bar-item:nth-child(3) {
                border-right: none;
            }
            .footer-custom .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 991px) {
            .comparison-container {
                grid-template-columns: 1fr;
            }
            .live-preview-card {
                grid-template-columns: 1fr;
            }
            .live-preview-card .live-cover {
                min-height: 200px;
            }
            .price-compare-table {
                font-size: 0.8rem;
            }
            .price-compare-table thead th,
            .price-compare-table tbody td {
                padding: 10px 12px;
            }
            .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .nav-chip-group {
                display: none;
            }
            .mobile-menu .nav-chip-group {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .section-custom {
                padding: var(--section-padding-mobile) 0;
            }
            .cta-form-section {
                padding: 32px 24px;
            }
            .cta-form-section .form-row {
                flex-direction: column;
            }
            .brand-intro-card {
                padding: 28px;
            }
        }
        @media (max-width: 767px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 18px 14px;
            }
            .metric-card .metric-value {
                font-size: 2rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .related-track {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .data-bar-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-bar-item:nth-child(2) {
                border-right: none;
            }
            .data-bar-item:nth-child(3) {
                border-right: 1px solid rgba(255, 255, 255, 0.1);
            }
            .footer-custom .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-custom .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item .news-date {
                width: auto;
                text-align: left;
                display: flex;
                gap: 6px;
                align-items: baseline;
            }
            .news-item .news-date .day {
                font-size: 1.3rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .comparison-card .comp-stat {
                font-size: 2.2rem;
            }
            .data-bar-item .data-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .data-bar-strip {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form-section h3 {
                font-size: 1.3rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

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

        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .nav-chip {
            font-size: 0.8rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-block;
            line-height: 1.5;
        }

        .nav-chip.chip-warmup {
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }

        .nav-chip.chip-warmup:hover {
            background: rgba(255, 107, 11, 0.15);
            text-decoration: none;
            color: var(--color-primary);
        }

        .nav-chip.chip-live {
            background: var(--color-primary);
            color: #FFFFFF;
            border: 1.5px solid var(--color-primary);
        }

        .nav-chip.chip-live:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            text-decoration: none;
            color: #FFFFFF;
        }

        .nav-chip.chip-replay {
            border: 1.5px solid #9CA3AF;
            color: #9CA3AF;
            background: transparent;
        }

        .nav-chip.chip-replay:hover {
            background: rgba(156, 163, 175, 0.15);
            text-decoration: none;
            color: #9CA3AF;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Section通用 */
        .section-custom {
            padding: var(--section-padding) 0;
        }

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

        .section-custom.section-dark {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }

        .section-custom.section-dark h2,
        .section-custom.section-dark h3 {
            color: #FFFFFF;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-dark);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 2.5rem;
            max-width: 680px;
        }

        .section-dark .section-subtitle {
            color: #B0B0B0;
        }

        /* Hero Banner */
        .hero-banner-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-banner-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(26, 26, 26, 0.55) 50%, rgba(26, 26, 26, 0.75) 100%);
            z-index: 1;
        }

        .hero-banner-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .hero-banner-category .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }

        .hero-banner-category h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }

        .hero-banner-category .hero-desc {
            font-size: 1.1rem;
            color: #E0E0E0;
            max-width: 600px;
            line-height: 1.6;
        }

        /* 赛事快讯滚动条 */
        .ticker-bar {
            background: var(--color-dark-secondary);
            color: #FFFFFF;
            padding: 10px 0;
            overflow: hidden;
            white-space: nowrap;
            border-bottom: 2px solid var(--color-primary);
        }

        .ticker-bar .ticker-content {
            display: inline-block;
            animation: ticker-scroll 30s linear infinite;
            font-size: 0.9rem;
            color: #E0E0E0;
        }

        .ticker-bar .ticker-content span {
            color: var(--color-primary);
            font-weight: 600;
            margin: 0 8px;
        }

        .ticker-bar .ticker-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
            margin: 0 16px;
            vertical-align: middle;
        }

        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        /* 数据指标卡片 */
        .stat-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-card .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 8px;
            padding: 3px 10px;
            border-radius: var(--radius-lg);
        }

        .stat-card .stat-trend.up {
            color: var(--color-accent-green);
            background: rgba(16, 185, 129, 0.1);
        }

        .stat-card .stat-trend.down {
            color: var(--color-accent-red);
            background: rgba(224, 62, 45, 0.1);
        }

        .stat-card .stat-bar {
            height: 4px;
            background: var(--color-border-light);
            border-radius: 2px;
            margin-top: 10px;
            overflow: hidden;
        }

        .stat-card .stat-bar-fill {
            height: 100%;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width 0.8s ease;
        }

        /* 文章卡片 */
        .article-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .article-card .article-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
        }

        .article-card .article-img .article-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }

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

        .article-card .article-date {
            font-size: 0.8rem;
            color: var(--color-text-disabled);
            margin-bottom: 6px;
        }

        .article-card .article-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .article-card .article-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            flex: 1;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .article-card .article-link {
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
        }

        /* 侧边栏 */
        .sidebar-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 20px;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
        }

        .sidebar-card .hot-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            margin: 3px;
            background: var(--color-light-gray);
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .sidebar-card .hot-tag:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-color: var(--color-primary);
            text-decoration: none;
        }

        .sidebar-card .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-card .rank-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card .rank-list li:last-child {
            border-bottom: none;
        }

        .sidebar-card .rank-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .sidebar-card .rank-num.top3 {
            background: var(--color-accent-yellow);
            color: var(--color-dark);
        }

        /* 对比模块 */
        .compare-module {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 20px;
            align-items: center;
        }

        .compare-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
        }

        .compare-card.before {
            border-left: 4px solid #9CA3AF;
        }

        .compare-card.after {
            border-left: 4px solid var(--color-accent-green);
            background: #FAFFFB;
        }

        .compare-card .compare-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .compare-card .compare-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-dark);
            line-height: 1;
        }

        .compare-card .compare-detail {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        .compare-vs {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            background: var(--color-primary-light);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .compare-diff {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 10px;
        }

        .compare-diff.positive {
            background: rgba(16, 185, 129, 0.15);
            color: var(--color-accent-green);
        }

        .compare-diff.negative {
            background: rgba(224, 62, 45, 0.15);
            color: var(--color-accent-red);
        }

        /* 战术卡片 */
        .tactic-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-smooth);
        }

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

        .tactic-card .tactic-icon {
            width: 48px;
            height: 48px;
            background: var(--color-primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .tactic-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--color-dark);
        }

        .tactic-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* 装备卡片 */
        .equip-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .equip-card .equip-img {
            height: 220px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .equip-card .equip-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .equip-card .equip-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            margin-bottom: 6px;
        }

        .equip-card .equip-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            flex: 1;
            line-height: 1.5;
        }

        .equip-card .equip-rating {
            color: var(--color-accent-yellow);
            font-size: 0.9rem;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-section .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            background: var(--color-light-gray);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: #FFFFFF;
            color: var(--color-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-section .accordion-button:focus {
            box-shadow: var(--shadow-glow);
            border-color: var(--color-primary);
        }

        .faq-section .accordion-button::after {
            transition: transform var(--transition-smooth);
        }

        .faq-section .accordion-body {
            padding: 16px 20px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            background: #FFFFFF;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #E55A00 100%);
            padding: 60px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.75rem;
            margin-bottom: 0.75rem;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
            background: #FFFFFF;
            color: var(--color-dark);
        }

        .cta-form input:focus {
            border-color: var(--color-dark);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }

        .cta-form .btn-cta {
            padding: 12px 28px;
            background: var(--color-dark);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .cta-form .btn-cta:hover {
            background: #000000;
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .cta-checkbox {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            margin-top: 14px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
        }

        .cta-checkbox input {
            width: 16px;
            height: 16px;
            accent-color: var(--color-dark);
            cursor: pointer;
        }

        /* Footer */
        .footer-custom {
            background: var(--color-dark);
            color: #CCCCCC;
            padding: 50px 0 20px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: #A0A0A0;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: #A0A0A0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #888;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: #888;
        }

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

        .footer-bottom span {
            white-space: nowrap;
        }

        /* 按钮 */
        .btn-primary-custom {
            background: var(--color-primary);
            color: #FFFFFF;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary-custom:focus {
            box-shadow: var(--shadow-glow);
            outline: none;
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* 移动端 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-dark);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
                z-index: 1049;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-chip-group {
                border-left: none;
                margin-left: 0;
                padding-left: 0;
                padding-top: 10px;
                margin-top: 6px;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                width: 100%;
                justify-content: flex-start;
                flex-wrap: wrap;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .hero-banner-category {
                min-height: 320px;
            }
            .hero-banner-category h1 {
                font-size: 1.8rem;
            }
            .hero-banner-category .hero-desc {
                font-size: 0.95rem;
            }

            .compare-module {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .compare-vs {
                margin: 0 auto;
            }

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

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

            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .hero-banner-category {
                min-height: 280px;
            }
            .hero-banner-category h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .compare-card .compare-value {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner-category {
                min-height: 240px;
            }
            .hero-banner-category h1 {
                font-size: 1.3rem;
            }
            .hero-banner-category .hero-desc {
                font-size: 0.85rem;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--color-dark);
            line-height: 1.3;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
        }
        h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
            max-width: 720px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

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

        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .nav-chip {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            display: inline-block;
        }

        .nav-chip:hover {
            text-decoration: none;
            transform: translateY(-1px);
        }

        .chip-warmup {
            border: 1.5px solid rgba(245, 197, 24, 0.7);
            color: #F5C518;
            background: rgba(245, 197, 24, 0.08);
        }
        .chip-warmup:hover {
            background: rgba(245, 197, 24, 0.2);
            color: #F5C518;
        }

        .chip-live {
            background: var(--color-primary);
            color: #FFFFFF;
            border: 1.5px solid var(--color-primary);
            animation: chipPulse 2s infinite;
        }
        .chip-live:hover {
            background: var(--color-primary-hover);
            color: #FFFFFF;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 11, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 11, 0);
            }
        }

        .chip-replay {
            border: 1.5px solid rgba(156, 163, 175, 0.6);
            color: #9CA3AF;
            background: rgba(156, 163, 175, 0.06);
        }
        .chip-replay:hover {
            background: rgba(156, 163, 175, 0.15);
            color: #9CA3AF;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #FFFFFF;
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            line-height: 1;
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.82) 0%, rgba(26, 26, 26, 0.55) 50%, rgba(26, 26, 26, 0.72) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: #FFFFFF;
        }

        .category-banner .banner-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .category-banner h1 {
            color: #FFFFFF;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .category-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            line-height: 1.6;
        }

        /* Stats Mini Bar */
        .stats-mini-bar {
            background: var(--color-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 0;
        }

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

        .stat-mini-item {
            text-align: center;
            padding: 8px 0;
        }

        .stat-mini-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
        }

        .stat-mini-label {
            font-size: 0.8rem;
            color: #9CA3AF;
            margin-top: 2px;
        }

        .stat-trend-up {
            color: var(--color-accent-green);
            font-size: 0.75rem;
            margin-left: 4px;
        }

        .stat-trend-down {
            color: var(--color-accent-red);
            font-size: 0.75rem;
            margin-left: 4px;
        }

        /* Main Content Layout */
        .category-main {
            padding: 60px 0;
        }

        .category-main .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }

        /* Article Cards */
        .article-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-list-header h2 {
            margin-bottom: 0;
            font-size: 1.5rem;
            color: var(--color-dark);
        }

        .article-sort-tabs {
            display: flex;
            gap: 4px;
            background: var(--color-light-gray);
            border-radius: var(--radius-sm);
            padding: 3px;
        }

        .sort-tab {
            padding: 7px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            border: none;
            background: transparent;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .sort-tab.active,
        .sort-tab:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .article-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            align-items: flex-start;
        }

        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 107, 11, 0.2);
        }

        .article-card-img {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-light-gray);
        }

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

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

        .article-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .article-card-date {
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .article-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-title a {
            color: inherit;
            text-decoration: none;
        }

        .article-card-title a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .article-card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin-bottom: 10px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .article-tag {
            display: inline-block;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: var(--radius-lg);
            background: var(--color-light-gray);
            color: var(--color-text-secondary);
            font-weight: 500;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .article-tag:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            text-decoration: none;
        }

        .article-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            margin-top: auto;
            align-self: flex-start;
        }

        .article-read-more:hover {
            color: var(--color-primary-hover);
            gap: 8px;
            text-decoration: none;
        }

        .article-read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-read-more:hover i {
            transform: translateX(3px);
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            background: #fff;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }

        .pagination-custom .page-link-custom:hover {
            background: var(--color-light-gray);
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
        }

        .pagination-custom .page-link-custom.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .pagination-custom .page-link-custom.disabled {
            color: var(--color-text-disabled);
            pointer-events: none;
            background: var(--color-light-gray);
            border-color: var(--color-border-light);
        }

        /* Sidebar */
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h4 {
            margin-bottom: 16px;
            font-size: 1.05rem;
            color: var(--color-dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
        }

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

        .hot-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-lg);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--color-light-gray);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid transparent;
        }

        .hot-tag:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-color: rgba(255, 107, 11, 0.3);
            text-decoration: none;
            transform: translateY(-1px);
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            transition: all var(--transition-fast);
        }

        .hot-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-list li:hover {
            padding-left: 4px;
        }

        .hot-list .hot-rank {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .hot-list .hot-rank.top3 {
            color: var(--color-accent-red);
        }

        .hot-list a {
            font-size: 0.9rem;
            color: var(--color-text);
            font-weight: 500;
            line-height: 1.4;
            text-decoration: none;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-list a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        /* FAQ Section */
        .faq-section {
            background: var(--color-light-gray);
            padding: var(--section-padding) 0;
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-header h2 {
            color: var(--color-dark);
            margin-bottom: 8px;
        }

        .faq-section .section-header p {
            color: var(--color-text-secondary);
            margin: 0 auto;
            max-width: 500px;
        }

        .accordion-custom .accordion-item-custom {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item-custom:hover {
            box-shadow: var(--shadow-md);
        }

        .accordion-header-custom {
            width: 100%;
            background: #fff;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
        }

        .accordion-header-custom:hover {
            background: var(--color-light-gray);
        }

        .accordion-header-custom .accordion-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
            color: var(--color-text-secondary);
        }

        .accordion-header-custom[aria-expanded="true"] .accordion-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .accordion-body-custom {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }

        .accordion-body-custom.show {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #2A1A0A 50%, var(--color-dark) 100%);
            padding: var(--section-padding) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-section h2 {
            color: #FFFFFF;
            margin-bottom: 10px;
            font-size: 2rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 100%;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            outline: none;
        }

        .cta-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-glow);
        }

        .btn-cta {
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-cta:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 107, 11, 0.4);
        }

        .btn-cta:active {
            transform: scale(0.98);
        }

        .btn-cta:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .cta-checkbox-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            cursor: pointer;
        }

        .cta-checkbox-wrap input[type="checkbox"] {
            accent-color: var(--color-primary);
            width: 16px;
            height: 16px;
            cursor: pointer;
        }

        /* Footer */
        .footer-custom {
            background: var(--color-dark);
            color: #CCCCCC;
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: #9CA3AF;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

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

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

        .footer-col ul li a {
            color: #9CA3AF;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 0.82rem;
            color: #9CA3AF;
            align-items: center;
        }

        .footer-bottom a {
            color: #9CA3AF;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .category-main .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .category-banner {
                min-height: 260px;
            }
            .category-banner h1 {
                font-size: 2.2rem;
            }
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card-img {
                width: 100%;
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-link-custom {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .nav-chip-group {
                margin-left: 4px;
                padding-left: 6px;
                gap: 4px;
            }
            .nav-chip {
                font-size: 0.72rem;
                padding: 3px 8px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 60px;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-dark);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
                z-index: 1049;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-link-custom {
                width: 100%;
                padding: 10px 14px;
                font-size: 0.95rem;
                border-radius: 6px;
            }
            .nav-chip-group {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                flex-wrap: wrap;
                gap: 6px;
                padding-top: 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                width: 100%;
            }
            .category-banner {
                min-height: 220px;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-mini-value {
                font-size: 1.2rem;
            }
            .article-list-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-sort-tabs {
                width: 100%;
                justify-content: flex-start;
            }
            .article-card {
                padding: 16px;
                gap: 14px;
            }
            .article-card-img {
                height: 150px;
            }
            .article-card-title {
                font-size: 1rem;
            }
            .pagination-custom .page-link-custom {
                min-width: 34px;
                height: 34px;
                font-size: 0.82rem;
                padding: 0 10px;
            }
            .cta-form {
                flex-direction: column;
                gap: 10px;
            }
            .cta-form input[type="email"] {
                min-width: 100%;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .category-banner {
                min-height: 190px;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-desc {
                font-size: 0.85rem;
            }
            .stats-mini-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .article-card-img {
                height: 130px;
            }
            .sidebar-widget {
                padding: 16px;
            }
            .category-main {
                padding: 40px 0;
            }
            .faq-section {
                padding: 50px 0;
            }
            .cta-section {
                padding: 50px 0;
            }
        }

/* roulang page: category2 */
:root {
        --color-primary: #FF6B0B;
        --color-primary-hover: #E55A00;
        --color-primary-light: rgba(255, 107, 11, 0.1);
        --color-primary-glow: rgba(255, 107, 11, 0.4);
        --color-dark: #1A1A1A;
        --color-dark-secondary: #2A2A2A;
        --color-light-gray: #F4F4F5;
        --color-bg: #FFFFFF;
        --color-accent-yellow: #F5C518;
        --color-accent-red: #E03E2D;
        --color-accent-green: #10B981;
        --color-text: #333333;
        --color-text-secondary: #6B7280;
        --color-text-disabled: #9CA3AF;
        --color-border: #E5E7EB;
        --color-border-light: #F0F0F0;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 24px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
        --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
        --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
        --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
        --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
        --nav-height: 64px;
        --container-max: 1200px;
        --section-padding: 80px;
        --section-padding-mobile: 60px;
        --transition-fast: 0.2s ease;
        --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }

    body {
        font-family: var(--font-family);
        color: var(--color-text);
        background-color: var(--color-bg);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        padding-top: var(--nav-height);
        margin: 0;
    }

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

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

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

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

    button {
        cursor: pointer;
        font-family: inherit;
    }

    input {
        font-family: inherit;
    }

    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Navigation */
    .navbar-custom {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1050;
        height: var(--nav-height);
        background-color: var(--color-dark);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        transition: background-color var(--transition-fast);
    }

    .navbar-custom .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }

    .navbar-brand-custom {
        font-size: 1.35rem;
        font-weight: 700;
        color: #FFFFFF;
        white-space: nowrap;
        letter-spacing: 0.5px;
        transition: color var(--transition-fast);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .navbar-brand-custom:hover {
        color: var(--color-primary);
        text-decoration: none;
    }

    .navbar-brand-custom .brand-icon {
        width: 34px;
        height: 34px;
        background: var(--color-primary);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: #fff;
        flex-shrink: 0;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .nav-link-custom {
        color: #CCCCCC;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 8px 14px;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
        white-space: nowrap;
        position: relative;
    }

    .nav-link-custom:hover,
    .nav-link-custom.active {
        color: #FFFFFF;
        background-color: rgba(255, 255, 255, 0.08);
        text-decoration: none;
    }

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

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

    .nav-chip-group {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-left: 10px;
        padding-left: 10px;
        border-left: 1px solid rgba(255, 255, 255, 0.2);
    }

    .nav-chip {
        font-size: 0.8rem;
        padding: 4px 12px;
        border-radius: var(--radius-lg);
        font-weight: 500;
        white-space: nowrap;
        transition: all var(--transition-fast);
        text-decoration: none;
        display: inline-block;
        line-height: 1.5;
    }

    .nav-chip.chip-warmup {
        border: 1.5px solid #F5C518;
        color: #F5C518;
        background: transparent;
    }

    .nav-chip.chip-warmup:hover {
        background: rgba(245, 197, 24, 0.15);
        text-decoration: none;
        color: #F5C518;
    }

    .nav-chip.chip-live {
        background: var(--color-primary);
        color: #FFFFFF;
        border: 1.5px solid var(--color-primary);
    }

    .nav-chip.chip-live:hover {
        background: var(--color-primary-hover);
        text-decoration: none;
        color: #FFFFFF;
    }

    .nav-chip.chip-replay {
        border: 1.5px solid #9CA3AF;
        color: #9CA3AF;
        background: transparent;
    }

    .nav-chip.chip-replay:hover {
        background: rgba(156, 163, 175, 0.15);
        text-decoration: none;
        color: #9CA3AF;
    }

    .navbar-toggler-custom {
        display: none;
        background: none;
        border: none;
        color: #FFFFFF;
        font-size: 1.6rem;
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        transition: background var(--transition-fast);
    }

    .navbar-toggler-custom:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    /* Hero */
    .hero-category {
        position: relative;
        background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        min-height: 520px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        overflow: hidden;
    }

    .hero-category::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(26, 26, 26, 0.75) 0%, rgba(26, 26, 26, 0.55) 100%);
        z-index: 1;
    }

    .hero-category-content {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: 720px;
        padding: 40px 20px;
    }

    .hero-category h1 {
        font-size: 2.8rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 16px;
        line-height: 1.2;
        letter-spacing: 1px;
    }

    .hero-category .hero-subtitle {
        font-size: 1.15rem;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 28px;
        line-height: 1.6;
    }

    .hero-search-wrap {
        display: flex;
        max-width: 540px;
        margin: 0 auto 24px;
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-xl);
    }

    .hero-search-wrap input {
        flex: 1;
        border: none;
        padding: 14px 20px;
        font-size: 1rem;
        outline: none;
        color: var(--color-text);
        background: #FFFFFF;
        min-width: 0;
    }

    .hero-search-wrap input::placeholder {
        color: var(--color-text-disabled);
    }

    .hero-search-wrap button {
        background: var(--color-primary);
        border: none;
        color: #FFFFFF;
        padding: 14px 24px;
        font-weight: 600;
        font-size: 0.95rem;
        transition: background var(--transition-fast);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .hero-search-wrap button:hover {
        background: var(--color-primary-hover);
    }

    .hero-chip-row {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .hero-chip-tag {
        display: inline-block;
        padding: 8px 18px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-lg);
        color: #FFFFFF;
        font-size: 0.9rem;
        font-weight: 500;
        transition: all var(--transition-fast);
        text-decoration: none;
        white-space: nowrap;
    }

    .hero-chip-tag:hover {
        background: rgba(255, 255, 255, 0.22);
        border-color: rgba(255, 255, 255, 0.55);
        color: #FFFFFF;
        text-decoration: none;
    }

    /* Sections */
    .section-custom {
        padding: var(--section-padding) 0;
    }

    .section-custom-alt {
        background-color: var(--color-light-gray);
        padding: var(--section-padding) 0;
    }

    .section-title {
        font-size: 1.75rem;
        font-weight: 700;
        color: var(--color-dark);
        margin-bottom: 8px;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 1rem;
        color: var(--color-text-secondary);
        margin-bottom: 36px;
        line-height: 1.6;
    }

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

    .section-header .section-title {
        position: relative;
        display: inline-block;
    }

    .section-header .section-title::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 48px;
        height: 3px;
        background: var(--color-primary);
        border-radius: 2px;
    }

    /* Live Score Cards */
    .live-score-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .live-score-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        text-align: center;
        transition: all var(--transition-smooth);
        position: relative;
        overflow: hidden;
    }

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

    .live-score-card .live-badge {
        position: absolute;
        top: 10px;
        right: 10px;
        background: var(--color-accent-red);
        color: #fff;
        font-size: 0.7rem;
        padding: 3px 8px;
        border-radius: 20px;
        font-weight: 600;
        animation: pulse-live 1.8s infinite;
    }

    @keyframes pulse-live {
        0%,
        100% {
            opacity: 1;
        }
        50% {
            opacity: 0.55;
        }
    }

    .live-score-card .match-teams {
        font-weight: 700;
        font-size: 1.05rem;
        color: var(--color-dark);
        margin-bottom: 8px;
    }

    .live-score-card .match-score {
        font-size: 2rem;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 4px;
        letter-spacing: 2px;
    }

    .live-score-card .match-info {
        font-size: 0.8rem;
        color: var(--color-text-secondary);
    }

    .live-score-card .match-league {
        font-size: 0.75rem;
        color: var(--color-text-disabled);
        margin-top: 2px;
    }

    /* Data Metrics */
    .metrics-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .metric-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        text-align: center;
        transition: all var(--transition-smooth);
    }

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

    .metric-card .metric-value {
        font-size: 2.6rem;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.1;
        margin-bottom: 6px;
    }

    .metric-card .metric-label {
        font-size: 0.9rem;
        color: var(--color-text-secondary);
        font-weight: 500;
    }

    .metric-card .metric-trend {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 0.8rem;
        font-weight: 600;
        margin-top: 6px;
    }

    .metric-trend.up {
        color: var(--color-accent-green);
    }

    .metric-trend.down {
        color: var(--color-accent-red);
    }

    /* Deep Analysis */
    .analysis-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }

    .analysis-featured {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        transition: all var(--transition-smooth);
        display: flex;
        flex-direction: column;
    }

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

    .analysis-featured img {
        width: 100%;
        height: 240px;
        object-fit: cover;
    }

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

    .analysis-featured-body h3 {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--color-dark);
        margin-bottom: 8px;
        line-height: 1.3;
    }

    .analysis-featured-body p {
        font-size: 0.95rem;
        color: var(--color-text-secondary);
        line-height: 1.6;
        flex: 1;
    }

    .analysis-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .analysis-list-item {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 18px 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-smooth);
        display: flex;
        gap: 14px;
        align-items: flex-start;
        cursor: pointer;
    }

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

    .analysis-list-item .date-badge {
        background: var(--color-primary);
        color: #FFFFFF;
        border-radius: var(--radius-sm);
        padding: 8px 10px;
        text-align: center;
        font-weight: 700;
        font-size: 0.85rem;
        line-height: 1.2;
        flex-shrink: 0;
        min-width: 44px;
    }

    .analysis-list-item .date-badge span {
        display: block;
        font-size: 0.7rem;
        font-weight: 400;
        opacity: 0.85;
    }

    .analysis-list-item h4 {
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-dark);
        margin: 0 0 4px;
        line-height: 1.4;
    }

    .analysis-list-item p {
        font-size: 0.85rem;
        color: var(--color-text-secondary);
        margin: 0;
        line-height: 1.5;
    }

    /* Schedule Table */
    .schedule-table-wrap {
        overflow-x: auto;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
    }

    .schedule-table {
        width: 100%;
        border-collapse: collapse;
        background: #FFFFFF;
        min-width: 700px;
    }

    .schedule-table thead th {
        background: var(--color-dark);
        color: #FFFFFF;
        padding: 14px 16px;
        font-weight: 600;
        font-size: 0.9rem;
        text-align: left;
        white-space: nowrap;
    }

    .schedule-table tbody td {
        padding: 14px 16px;
        border-bottom: 1px solid var(--color-border-light);
        font-size: 0.9rem;
        vertical-align: middle;
    }

    .schedule-table tbody tr:hover {
        background: var(--color-light-gray);
    }

    .schedule-table .match-status {
        display: inline-block;
        padding: 4px 10px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        white-space: nowrap;
    }

    .schedule-table .status-upcoming {
        background: #FFF3E0;
        color: #E65100;
    }

    .schedule-table .status-finished {
        background: #E8F5E9;
        color: #2E7D32;
    }

    /* Comparison */
    .comparison-dual {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .comparison-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 28px 24px;
        box-shadow: var(--shadow-md);
        text-align: center;
        transition: all var(--transition-smooth);
        border: 2px solid transparent;
    }

    .comparison-card.card-before {
        border-color: #E5E7EB;
    }

    .comparison-card.card-after {
        border-color: var(--color-accent-green);
        background: #FAFFFB;
    }

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

    .comparison-card .comp-label {
        font-size: 0.85rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--color-text-secondary);
        margin-bottom: 12px;
    }

    .comparison-card .comp-team {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--color-dark);
        margin-bottom: 10px;
    }

    .comparison-card .comp-stat {
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 6px;
    }

    .comparison-card .comp-diff {
        font-size: 0.95rem;
        font-weight: 600;
    }

    .comp-diff.positive {
        color: var(--color-accent-green);
    }

    .comp-diff.negative {
        color: var(--color-accent-red);
    }

    /* Topics */
    .topics-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .topic-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 22px 20px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-smooth);
        display: flex;
        flex-direction: column;
    }

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

    .topic-card .topic-tag {
        display: inline-block;
        background: var(--color-primary-light);
        color: var(--color-primary);
        font-size: 0.75rem;
        font-weight: 600;
        padding: 4px 10px;
        border-radius: 20px;
        margin-bottom: 10px;
        align-self: flex-start;
    }

    .topic-card h4 {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--color-dark);
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .topic-card p {
        font-size: 0.85rem;
        color: var(--color-text-secondary);
        line-height: 1.5;
        flex: 1;
        margin-bottom: 10px;
    }

    .topic-card .topic-meta {
        font-size: 0.75rem;
        color: var(--color-text-disabled);
        display: flex;
        gap: 12px;
    }

    /* Services */
    .services-asymmetric {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 20px;
    }

    .services-asymmetric .service-card-large {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 28px 24px;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-smooth);
        display: flex;
        gap: 20px;
        align-items: center;
    }

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

    .services-asymmetric .service-icon-lg {
        width: 64px;
        height: 64px;
        border-radius: var(--radius-md);
        background: var(--color-primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.8rem;
        color: var(--color-primary);
        flex-shrink: 0;
    }

    .services-asymmetric .service-card-small {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 22px 18px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-smooth);
        margin-bottom: 16px;
        display: flex;
        gap: 14px;
        align-items: center;
    }

    .services-asymmetric .service-card-small:last-child {
        margin-bottom: 0;
    }

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

    .services-asymmetric .service-icon-sm {
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        background: var(--color-light-gray);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--color-primary);
        flex-shrink: 0;
    }

    .service-card-large h4,
    .service-card-small h4 {
        font-weight: 600;
        color: var(--color-dark);
        margin: 0 0 4px;
    }

    .service-card-large h4 {
        font-size: 1.2rem;
    }

    .service-card-small h4 {
        font-size: 1rem;
    }

    .service-card-large p,
    .service-card-small p {
        font-size: 0.85rem;
        color: var(--color-text-secondary);
        margin: 0;
        line-height: 1.5;
    }

    /* Brand Intro */
    .brand-intro-block {
        background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
        color: #FFFFFF;
        border-radius: var(--radius-xl);
        padding: 40px 36px;
        text-align: center;
        max-width: 800px;
        margin: 0 auto;
    }

    .brand-intro-block h3 {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 16px;
        color: var(--color-primary);
    }

    .brand-intro-block p {
        font-size: 1rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
        margin: 0;
    }

    /* FAQ */
    .faq-section .accordion-item {
        border: 1px solid var(--color-border-light);
        border-radius: var(--radius-md) !important;
        margin-bottom: 10px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .faq-section .accordion-button {
        font-weight: 600;
        font-size: 1rem;
        color: var(--color-dark);
        background: var(--color-light-gray);
        padding: 16px 20px;
        border-radius: var(--radius-md) !important;
        transition: all var(--transition-fast);
        box-shadow: none;
    }

    .faq-section .accordion-button:not(.collapsed) {
        background: #FFF;
        color: var(--color-primary);
        box-shadow: none;
    }

    .faq-section .accordion-button:focus {
        box-shadow: var(--shadow-glow);
        border-color: var(--color-primary);
    }

    .faq-section .accordion-button::after {
        transition: transform var(--transition-smooth);
    }

    .faq-section .accordion-body {
        padding: 16px 20px;
        font-size: 0.95rem;
        color: var(--color-text-secondary);
        line-height: 1.7;
        background: #FFFFFF;
    }

    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, #FF6B0B 0%, #E55A00 100%);
        padding: var(--section-padding) 0;
        text-align: center;
    }

    .cta-section h2 {
        font-size: 2rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 12px;
    }

    .cta-section p {
        font-size: 1.05rem;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 28px;
        line-height: 1.6;
    }

    .cta-form {
        display: flex;
        max-width: 480px;
        margin: 0 auto;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-form input {
        flex: 1;
        min-width: 220px;
        padding: 14px 18px;
        border-radius: var(--radius-sm);
        border: 2px solid transparent;
        font-size: 1rem;
        outline: none;
        transition: all var(--transition-fast);
        background: #FFFFFF;
        color: var(--color-text);
    }

    .cta-form input:focus {
        border-color: #FFFFFF;
        box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
    }

    .cta-form button {
        padding: 14px 28px;
        background: var(--color-dark);
        color: #FFFFFF;
        border: none;
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: 1rem;
        transition: all var(--transition-fast);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .cta-form button:hover {
        background: #000000;
        transform: scale(1.03);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    }

    .cta-checkbox-wrap {
        width: 100%;
        text-align: center;
        margin-top: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.85rem;
    }

    .cta-checkbox-wrap input {
        width: auto;
        min-width: auto;
        flex: none;
        accent-color: var(--color-dark);
    }

    /* Button */
    .btn-custom {
        display: inline-block;
        padding: 10px 20px;
        background: var(--color-primary);
        color: #FFFFFF;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.9rem;
        border: none;
        transition: all var(--transition-fast);
        cursor: pointer;
        text-decoration: none;
    }

    .btn-custom:hover {
        background: var(--color-primary-hover);
        color: #FFFFFF;
        text-decoration: none;
        transform: translateY(-1px);
        box-shadow: var(--shadow-md);
    }

    .btn-custom:focus-visible {
        box-shadow: var(--shadow-glow);
        outline: none;
    }

    .btn-custom:active {
        transform: scale(0.98);
    }

    .btn-outline-custom {
        display: inline-block;
        padding: 10px 20px;
        background: transparent;
        color: var(--color-primary);
        border: 2px solid var(--color-primary);
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.9rem;
        transition: all var(--transition-fast);
        cursor: pointer;
        text-decoration: none;
    }

    .btn-outline-custom:hover {
        background: var(--color-primary-light);
        color: var(--color-primary-hover);
        text-decoration: none;
    }

    /* Footer */
    .footer-custom {
        background: var(--color-dark);
        color: #CCCCCC;
        padding: 48px 0 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand {
        font-size: 1.3rem;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 8px;
    }

    .footer-brand-desc {
        font-size: 0.85rem;
        color: #9CA3AF;
        line-height: 1.6;
        margin: 0;
    }

    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 600;
        color: #FFFFFF;
        margin-bottom: 12px;
    }

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

    .footer-col ul li {
        margin-bottom: 6px;
    }

    .footer-col ul li a {
        color: #9CA3AF;
        font-size: 0.85rem;
        transition: color var(--transition-fast);
    }

    .footer-col ul li a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.8rem;
        color: #9CA3AF;
        justify-content: center;
        text-align: center;
    }

    .footer-bottom span {
        white-space: nowrap;
    }

    .footer-bottom a {
        color: #9CA3AF;
        transition: color var(--transition-fast);
    }

    .footer-bottom a:hover {
        color: var(--color-primary);
        text-decoration: none;
    }

    /* Mobile Nav */
    .mobile-menu-panel {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-dark);
        z-index: 1049;
        padding: 20px;
        overflow-y: auto;
        flex-direction: column;
        gap: 6px;
    }

    .mobile-menu-panel.open {
        display: flex;
    }

    .mobile-menu-panel .nav-link-custom {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
        color: #CCCCCC;
        border-radius: var(--radius-sm);
    }

    .mobile-menu-panel .nav-link-custom.active {
        color: var(--color-primary);
        background: rgba(255, 255, 255, 0.06);
    }

    .mobile-menu-panel .nav-chip-group {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        margin-top: 8px;
        gap: 10px;
        flex-wrap: wrap;
    }

    /* Responsive */
    @media (max-width: 992px) {
        .nav-links {
            display: none;
        }
        .navbar-toggler-custom {
            display: block;
        }
        .live-score-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .metrics-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .analysis-grid {
            grid-template-columns: 1fr;
        }
        .comparison-dual {
            grid-template-columns: 1fr;
        }
        .topics-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .services-asymmetric {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .hero-category h1 {
            font-size: 2.2rem;
        }
        .section-custom,
        .section-custom-alt {
            padding: var(--section-padding-mobile) 0;
        }
        .cta-section {
            padding: var(--section-padding-mobile) 0;
        }
    }

    @media (max-width: 768px) {
        .live-score-grid {
            grid-template-columns: 1fr 1fr;
        }
        .metrics-grid {
            grid-template-columns: 1fr 1fr;
        }
        .topics-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .hero-category {
            min-height: 400px;
        }
        .hero-category h1 {
            font-size: 1.8rem;
        }
        .hero-category .hero-subtitle {
            font-size: 1rem;
        }
        .hero-search-wrap {
            flex-direction: column;
            border-radius: var(--radius-md);
        }
        .hero-search-wrap input {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .hero-search-wrap button {
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            padding: 14px;
            text-align: center;
        }
        .cta-form {
            flex-direction: column;
            align-items: center;
        }
        .cta-form input {
            width: 100%;
            min-width: auto;
        }
        .cta-form button {
            width: 100%;
        }
        .comparison-card .comp-stat {
            font-size: 1.6rem;
        }
        .brand-intro-block {
            padding: 28px 20px;
            border-radius: var(--radius-md);
        }
    }

    @media (max-width: 520px) {
        .live-score-grid {
            grid-template-columns: 1fr;
        }
        .metrics-grid {
            grid-template-columns: 1fr;
        }
        .hero-chip-row {
            gap: 6px;
        }
        .hero-chip-tag {
            padding: 6px 12px;
            font-size: 0.8rem;
        }
        .schedule-table-wrap {
            border-radius: var(--radius-sm);
        }
        .section-title {
            font-size: 1.4rem;
        }
        .nav-chip-group {
            flex-wrap: wrap;
        }
    }

/* roulang page: category4 */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-dark);
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.2;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
        }

        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            line-height: 1.4;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

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

        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .nav-chip {
            font-size: 0.8rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-block;
        }

        .nav-chip:hover {
            text-decoration: none;
            transform: translateY(-1px);
        }

        .chip-warmup {
            background: transparent;
            color: #F5A623;
            border: 1.5px solid #F5A623;
        }

        .chip-warmup:hover {
            background: rgba(245, 166, 35, 0.15);
            color: #F7B84E;
            border-color: #F7B84E;
        }

        .chip-live {
            background: var(--color-primary);
            color: #FFFFFF;
            border: 1.5px solid var(--color-primary);
            animation: chipPulse 2s infinite;
        }

        .chip-live:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 11, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 11, 0);
            }
        }

        .chip-replay {
            background: transparent;
            color: #9CA3AF;
            border: 1.5px solid #6B7280;
        }

        .chip-replay:hover {
            background: rgba(107, 114, 128, 0.15);
            color: #B0B7C3;
            border-color: #9CA3AF;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.6rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* Mobile Navigation */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1040;
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-dark);
            z-index: 1045;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-height: calc(100vh - var(--nav-height));
            overflow-y: auto;
        }

        .mobile-menu-panel.active {
            display: block;
        }

        .mobile-menu-panel .nav-link-custom {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
        }

        .mobile-menu-panel .nav-chip-group {
            margin-left: 0;
            padding-left: 0;
            border-left: none;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Hero Section */
        .hero-category {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.82) 0%, rgba(26, 26, 26, 0.6) 50%, rgba(26, 26, 26, 0.85) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-category h1 {
            color: #FFFFFF;
            font-size: 2.8rem;
            margin-bottom: 12px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .hero-category .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 600px;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .hero-sub-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .hero-sub-nav a {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-radius: var(--radius-lg);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.2);
            white-space: nowrap;
        }

        .hero-sub-nav a:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.4);
            text-decoration: none;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .hero-sub-nav a.active-sub {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .btn-primary-custom {
            display: inline-block;
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #FFFFFF;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-primary-custom:focus-visible {
            box-shadow: var(--shadow-glow);
            outline: none;
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-hover);
            text-decoration: none;
            border-color: var(--color-primary-hover);
        }

        .btn-outline-custom:focus-visible {
            box-shadow: var(--shadow-glow);
            outline: none;
        }

        /* Section Common */
        .section-custom {
            padding: var(--section-padding) 0;
        }

        .section-custom.alt-bg {
            background-color: var(--color-light-gray);
        }

        .section-custom.dark-bg {
            background-color: var(--color-dark);
            color: #FFFFFF;
        }

        .section-custom.dark-bg h2,
        .section-custom.dark-bg h3 {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        .section-title {
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 650px;
            margin-bottom: 40px;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            background: var(--color-primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-card .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 6px;
        }

        .stat-trend.up {
            color: var(--color-accent-green);
        }

        .stat-trend.down {
            color: var(--color-accent-red);
        }

        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .service-matrix .service-card-large {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

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

        .service-matrix .service-card-large .service-icon-wrap {
            width: 56px;
            height: 56px;
            background: var(--color-primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.6rem;
            color: var(--color-primary);
        }

        .service-matrix .service-card-small {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .service-matrix .service-card-small .service-icon-wrap {
            width: 44px;
            height: 44px;
            background: var(--color-primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-primary);
        }

        .service-matrix .service-info h3 {
            margin-bottom: 6px;
            font-size: 1.2rem;
        }

        .service-matrix .service-info p {
            color: var(--color-text-secondary);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        .service-matrix-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        /* Comparison */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .comparison-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            position: relative;
        }

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

        .comparison-card.before-card {
            border-left: 4px solid var(--color-text-disabled);
        }

        .comparison-card.after-card {
            border-left: 4px solid var(--color-primary);
        }

        .comparison-card .comp-label {
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
        }

        .before-card .comp-label {
            background: #F0F0F0;
            color: #6B7280;
        }

        .after-card .comp-label {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .comparison-card .comp-value {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: 1;
        }

        .comparison-card .comp-detail {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .comparison-card .comp-diff {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 1.1rem;
            margin-top: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-lg);
        }

        .comp-diff.positive {
            background: rgba(16, 185, 129, 0.1);
            color: var(--color-accent-green);
        }

        .comp-diff.negative {
            background: rgba(224, 62, 45, 0.1);
            color: var(--color-accent-red);
        }

        /* Article List */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .article-item:hover {
            background: rgba(255, 107, 11, 0.02);
            padding-left: 12px;
            border-radius: var(--radius-sm);
        }

        .article-item .article-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            padding-top: 2px;
        }

        .article-item .article-date .day {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            display: block;
        }

        .article-item .article-date .month {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            display: block;
            margin-top: 2px;
        }

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

        .article-item .article-body h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-item .article-body h3 a {
            color: var(--color-dark);
            transition: color var(--transition-fast);
        }

        .article-item .article-body h3 a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .article-item .article-summary {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .article-item .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 6px;
        }

        .article-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-light-gray);
            color: var(--color-text-secondary);
            border-radius: var(--radius-lg);
            font-size: 0.78rem;
            font-weight: 500;
        }

        .article-item .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-item .read-more:hover {
            color: var(--color-primary-hover);
        }

        .article-item .article-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            object-fit: cover;
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination-custom .page-link-custom:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
        }

        .pagination-custom .page-link-custom.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #FFFFFF;
            font-weight: 600;
        }

        .pagination-custom .page-link-custom.disabled {
            color: var(--color-text-disabled);
            pointer-events: none;
            background: var(--color-light-gray);
            border-color: var(--color-border-light);
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

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

        .process-step .step-number {
            width: 50px;
            height: 50px;
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: 700;
            font-size: 1.2rem;
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .process-step p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .process-connector {
            display: none;
        }

        @media (min-width: 769px) {
            .process-steps {
                position: relative;
            }
            .process-steps::before {
                content: '';
                position: absolute;
                top: 25px;
                left: 12%;
                right: 12%;
                height: 2px;
                background: var(--color-border);
                z-index: 1;
            }
        }

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

        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

        .scenario-card .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

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

        .scenario-card .scenario-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .scenario-card .scenario-body p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #2A1F14 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 107, 11, 0.08) 0%, transparent 50%);
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input[type="email"],
        .cta-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(255, 107, 11, 0.25);
        }

        .cta-checkbox-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-top: 8px;
            justify-content: center;
            width: 100%;
        }

        .cta-checkbox-wrap input[type="checkbox"] {
            accent-color: var(--color-primary);
            width: 18px;
            height: 18px;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-header button {
            background: #FAFAFA;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            color: var(--color-dark);
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            border-radius: 0;
        }

        .accordion-custom .accordion-header button:hover {
            background: #F0F0F0;
        }

        .accordion-custom .accordion-header button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-header button:not(.collapsed) {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .accordion-custom .accordion-header button::after {
            content: '\F282';
            font-family: 'bootstrap-icons';
            font-size: 1.1rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .accordion-custom .accordion-header button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* Footer */
        .footer-custom {
            background-color: var(--color-dark);
            color: #CCCCCC;
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: #AAAAAA;
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: #AAAAAA;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #888888;
            align-items: center;
        }

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

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

        /* Responsive */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .article-item .article-thumb {
                width: 100px;
                height: 70px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .service-matrix .service-card-large {
                flex-direction: column;
                padding: 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-custom {
                padding: var(--section-padding-mobile) 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-category {
                min-height: 340px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-desc {
                font-size: 0.95rem;
            }
            .hero-sub-nav {
                gap: 6px;
            }
            .hero-sub-nav a {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .article-item {
                flex-wrap: wrap;
            }
            .article-item .article-thumb {
                width: 100%;
                height: 160px;
                order: -1;
            }
            .article-item .article-date {
                width: 100%;
                text-align: left;
                display: flex;
                gap: 8px;
                align-items: baseline;
            }
            .article-item .article-date .day {
                font-size: 1.2rem;
            }
            .comparison-card .comp-value {
                font-size: 2rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input[type="email"],
            .cta-form input[type="text"] {
                width: 100%;
                min-width: auto;
            }
            .pagination-custom .page-link-custom {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-category {
                min-height: 300px;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-sub-nav a {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--color-dark);
            line-height: 1.3;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

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

        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .nav-chip {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            display: inline-block;
            cursor: pointer;
        }

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

        .chip-warmup:hover {
            background: rgba(255, 107, 11, 0.15);
            color: var(--color-primary);
            text-decoration: none;
        }

        .chip-live {
            background: var(--color-primary);
            color: #fff;
            border: 1.5px solid var(--color-primary);
        }

        .chip-live:hover {
            background: var(--color-primary-hover);
            color: #fff;
            text-decoration: none;
        }

        .chip-replay {
            border: 1.5px solid #9CA3AF;
            color: #9CA3AF;
            background: transparent;
        }

        .chip-replay:hover {
            background: rgba(156, 163, 175, 0.15);
            color: #9CA3AF;
            text-decoration: none;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1;
        }

        .navbar-toggler-custom:hover {
            color: var(--color-primary);
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.7) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 90px 0 80px;
            color: #FFFFFF;
            text-align: center;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .category-hero h1 {
            color: #FFFFFF;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

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

        .section-custom .section-header {
            margin-bottom: 48px;
        }

        .section-custom .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        .section-custom .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
        }

        .section-custom .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
        }

        /* Article List Card */
        .article-card-horizontal {
            display: flex;
            gap: 28px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            align-items: flex-start;
        }

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

        .article-card-horizontal .card-img-wrap {
            flex-shrink: 0;
            width: 240px;
            height: 160px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-light-gray);
        }

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

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

        .article-card-horizontal .card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            min-width: 0;
        }

        .article-card-horizontal .card-date {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-card-horizontal .card-date .date-dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            display: inline-block;
        }

        .article-card-horizontal .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .article-card-horizontal .card-title a {
            color: inherit;
            text-decoration: none;
        }

        .article-card-horizontal .card-title a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .article-card-horizontal .card-excerpt {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            line-height: 1.6;
            flex: 1;
        }

        .article-card-horizontal .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .article-card-horizontal .card-tag {
            font-size: 0.78rem;
            padding: 3px 10px;
            border-radius: var(--radius-lg);
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 500;
            white-space: nowrap;
        }

        .article-card-horizontal .card-read-more {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .article-card-horizontal .card-read-more:hover {
            gap: 8px;
            text-decoration: none;
            color: var(--color-primary-hover);
        }

        .article-card-horizontal .card-read-more i {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
        }

        /* Alternating layout */
        .article-card-horizontal.alt-layout {
            flex-direction: row-reverse;
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination-custom .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            background: #fff;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }

        .pagination-custom .page-link:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
        }

        .pagination-custom .page-link.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            pointer-events: none;
        }

        .pagination-custom .page-link.disabled {
            color: var(--color-text-disabled);
            pointer-events: none;
            border-color: var(--color-border-light);
        }

        /* Hot Tags */
        .hot-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 20px 0;
        }

        .hot-tag-item {
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .hot-tag-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .hot-tag-item.hot {
            border-color: var(--color-accent-red);
            color: var(--color-accent-red);
            background: rgba(224, 62, 45, 0.05);
            font-weight: 700;
        }

        /* Comparison Card */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
        }

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

        .comparison-card .comp-img {
            width: 100%;
            height: 200px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 20px;
            background: var(--color-light-gray);
        }

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

        .comparison-card .comp-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
        }

        .comparison-card .comp-stats {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 16px 0;
            flex-wrap: wrap;
        }

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

        .comp-stat-val {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .comp-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        .comp-vs-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent-red);
            padding: 0 10px;
        }

        /* Deep Review */
        .deep-review-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: 900px;
            margin: 0 auto;
        }

        .deep-review-card .review-img {
            width: 100%;
            height: 320px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 24px;
            background: var(--color-light-gray);
        }

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

        .deep-review-card .review-body {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
        }

        .deep-review-card .review-body h3 {
            margin-top: 24px;
            margin-bottom: 12px;
            font-size: 1.25rem;
        }

        /* Buying Guide Steps */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }

        .guide-step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
        }

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

        .guide-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .guide-step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-dark);
        }

        .guide-step-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* Community Reviews */
        .community-review-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .review-quote-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-primary);
            transition: all var(--transition-smooth);
        }

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

        .review-quote-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text);
            font-style: italic;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .review-quote-card .quote-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }

        /* FAQ */
        .faq-section .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            background: var(--color-light-gray);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--color-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-section .accordion-button:focus {
            box-shadow: var(--shadow-glow);
            border-color: var(--color-primary);
        }

        .faq-section .accordion-button::after {
            transition: transform var(--transition-smooth);
        }

        .faq-section .accordion-body {
            padding: 18px 22px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            background: #fff;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        /* CTA */
        .cta-section-custom {
            background: linear-gradient(135deg, var(--color-dark) 0%, #2A1A0A 100%);
            padding: 70px 0;
            text-align: center;
            border-radius: var(--radius-xl);
            margin: 0 20px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section-custom h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .cta-section-custom p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            font-size: 1rem;
            background: #fff;
            transition: all var(--transition-fast);
            outline: none;
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
        }

        .cta-form .btn-cta {
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            background: var(--color-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-cta:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 6px 20px rgba(255, 107, 11, 0.4);
            transform: translateY(-1px);
        }

        .cta-form .btn-cta:active {
            transform: scale(0.98);
        }

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

        /* Brand Intro */
        .brand-intro-card {
            background: var(--color-light-gray);
            border-radius: var(--radius-md);
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }

        .brand-intro-card h3 {
            color: var(--color-dark);
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .brand-intro-card p {
            color: var(--color-text);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 650px;
            margin: 0 auto;
        }

        /* Footer */
        .footer-custom {
            background: var(--color-dark);
            color: #CCCCCC;
            padding: 60px 0 30px;
            margin-top: 60px;
        }

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

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: #CCCCCC;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-brand {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: #AAAAAA;
            margin-bottom: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #999;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: #999;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-dark);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                z-index: 1040;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-chip-group {
                border-left: none;
                margin-left: 0;
                padding-left: 0;
                padding-top: 8px;
                margin-top: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                justify-content: flex-start;
                width: 100%;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .article-card-horizontal {
                flex-direction: column !important;
                gap: 16px;
            }

            .article-card-horizontal .card-img-wrap {
                width: 100%;
                height: 200px;
            }

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

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

            .community-review-cards {
                grid-template-columns: 1fr;
            }

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

            .category-hero h1 {
                font-size: 2rem;
            }

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

            .cta-section-custom {
                margin: 0 12px;
                padding: 50px 20px;
                border-radius: var(--radius-md);
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .category-hero {
                padding: 60px 0 50px;
                min-height: 280px;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .deep-review-card {
                padding: 20px;
            }

            .deep-review-card .review-img {
                height: 200px;
            }

            .brand-intro-card {
                padding: 24px;
            }

            .pagination-custom .page-link {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }

            .category-hero .hero-desc {
                font-size: 0.9rem;
            }

            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form input {
                min-width: auto;
            }

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

            .comparison-card {
                padding: 20px;
            }

            .comparison-card .comp-img {
                height: 150px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #FF6B0B;
            --color-primary-hover: #E55A00;
            --color-primary-light: rgba(255, 107, 11, 0.1);
            --color-primary-glow: rgba(255, 107, 11, 0.4);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-light-gray: #F4F4F5;
            --color-bg: #FFFFFF;
            --color-accent-yellow: #F5C518;
            --color-accent-red: #E03E2D;
            --color-accent-green: #10B981;
            --color-text: #333333;
            --color-text-secondary: #6B7280;
            --color-text-disabled: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F0F0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 0 3px rgba(255, 107, 11, 0.4);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', system-ui, sans-serif;
            --nav-height: 64px;
            --container-max: 1200px;
            --section-padding: 80px;
            --section-padding-mobile: 60px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--color-dark);
            font-weight: 700;
            line-height: 1.3;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.35rem;
            font-weight: 600;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background-color: var(--color-dark);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            transition: background-color var(--transition-fast);
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .navbar-brand-custom .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            color: #CCCCCC;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

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

        .nav-chip-group {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .nav-chip {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-lg);
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-fast);
            display: inline-block;
            letter-spacing: 0.3px;
        }

        .chip-warmup {
            background: transparent;
            border: 1.5px solid #F5A623;
            color: #F5A623;
        }

        .chip-warmup:hover {
            background: rgba(245, 166, 35, 0.15);
            color: #F5A623;
            text-decoration: none;
        }

        .chip-live {
            background: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            color: #FFFFFF;
            animation: chipPulse 2s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 11, 0.4);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 107, 11, 0);
            }
        }

        .chip-live:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            text-decoration: none;
        }

        .chip-replay {
            background: transparent;
            border: 1.5px solid #9CA3AF;
            color: #9CA3AF;
        }

        .chip-replay:hover {
            background: rgba(156, 163, 175, 0.15);
            color: #9CA3AF;
            text-decoration: none;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.6rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
            cursor: pointer;
        }

        .navbar-toggler-custom:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* Mobile Navigation */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.6);
            z-index: 1040;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.active {
            display: block;
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            bottom: 0;
            background-color: var(--color-dark);
            z-index: 1045;
            padding: 20px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
        }

        .mobile-menu-panel.active {
            display: block;
            transform: translateX(0);
        }

        .mobile-menu-panel .nav-link-custom {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
            color: #CCCCCC;
            text-decoration: none;
        }

        .mobile-menu-panel .nav-link-custom:hover,
        .mobile-menu-panel .nav-link-custom.active {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }

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

        .mobile-menu-panel .nav-chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            border-left: none;
            margin-left: 0;
            padding-left: 0;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 40%, #1A1A1A 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 100px 0 80px;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.75) 0%, rgba(26, 26, 26, 0.9) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #FFFFFF;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero-title {
            color: #FFFFFF;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

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

        .hero-subtitle {
            color: #CCCCCC;
            font-size: 1.15rem;
            max-width: 620px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: none;
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--color-primary-hover);
            color: #FFFFFF;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-primary-custom:focus-visible {
            box-shadow: var(--shadow-glow);
            outline: none;
        }

        .btn-primary-custom:active {
            transform: scale(0.98);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .hero-trust-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .hero-trust-strip span {
            color: #9CA3AF;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust-strip .trust-icon {
            color: var(--color-accent-green);
            font-size: 1.1rem;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        /* Stats Section */
        .stats-section {
            background: var(--color-light-gray);
        }

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

        .stat-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }

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

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 6px;
        }

        .stat-trend.up {
            color: var(--color-accent-green);
        }

        .stat-trend.down {
            color: var(--color-accent-red);
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

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

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

        .feature-icon-wrapper {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }

        .feature-card:hover .feature-icon-wrapper {
            background: var(--color-primary);
            color: #FFFFFF;
            transform: scale(1.1);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--color-dark);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Topics Section */
        .topics-section {
            background: #FFFFFF;
        }

        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--color-light-gray);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .topic-card:hover {
            background: #FFFFFF;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            text-decoration: none;
            color: inherit;
        }

        .topic-rank {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .topic-rank.silver {
            background: #9CA3AF;
        }

        .topic-rank.bronze {
            background: #D4A574;
        }

        .topic-rank.plain {
            background: var(--color-dark-secondary);
        }

        .topic-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-dark);
        }

        .topic-info .topic-meta {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

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

        /* Showcase Section */
        .showcase-section {
            background: var(--color-dark);
            color: #FFFFFF;
        }

        .showcase-section h2 {
            color: #FFFFFF;
        }

        .showcase-section .section-subtitle {
            color: #CCCCCC;
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-image-wrapper {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .showcase-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .showcase-image-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: var(--radius-lg);
            letter-spacing: 0.5px;
        }

        .showcase-content h3 {
            font-size: 1.5rem;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .showcase-content p {
            color: #CCCCCC;
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .showcase-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .showcase-list li {
            color: #CCCCCC;
            padding: 8px 0;
            padding-left: 28px;
            position: relative;
            font-size: 0.95rem;
        }

        .showcase-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 16px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .showcase-list li::after {
            content: '';
            position: absolute;
            left: 6px;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        /* Stories Section */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .story-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

        .story-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

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

        .story-card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-dark);
        }

        .story-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .story-card-footer {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-disabled);
        }

        .story-card-footer .story-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* Rules Section */
        .rules-section {
            background: var(--color-light-gray);
        }

        .rules-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .rules-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .step-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-dark);
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* FAQ Section */
        .faq-section {
            background: #FFFFFF;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            background: #FFFFFF;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: var(--color-primary-light);
            box-shadow: none;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: var(--shadow-glow);
            border-color: var(--color-primary);
            z-index: 3;
        }

        .accordion-custom .accordion-button::after {
            transition: transform var(--transition-smooth);
            background-image: none;
            content: '\F282';
            font-family: 'bootstrap-icons';
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .accordion-custom .accordion-body {
            padding: 18px 24px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            background: #FFFFFF;
            border-top: 1px solid var(--color-border-light);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-wrapper {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-wrapper h2 {
            color: #FFFFFF;
            font-size: 1.85rem;
            margin-bottom: 12px;
        }

        .cta-wrapper p {
            color: #CCCCCC;
            font-size: 1rem;
            margin-bottom: 28px;
        }

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

        .cta-form input[type="email"],
        .cta-form input[type="text"] {
            flex: 1;
            min-width: 240px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 1rem;
            transition: all var(--transition-fast);
            outline: none;
        }

        .cta-form input[type="email"]::placeholder,
        .cta-form input[type="text"]::placeholder {
            color: #9CA3AF;
        }

        .cta-form input[type="email"]:focus,
        .cta-form input[type="text"]:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: var(--shadow-glow);
        }

        .cta-form .btn-primary-custom {
            flex-shrink: 0;
        }

        .cta-checkbox-row {
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: #CCCCCC;
            font-size: 0.9rem;
        }

        .cta-checkbox-row input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--color-primary);
            cursor: pointer;
        }

        /* Footer */
        .footer-custom {
            background-color: var(--color-dark);
            color: #CCCCCC;
            padding: 50px 0 20px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            color: #9CA3AF;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: #9CA3AF;
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #9CA3AF;
            text-align: center;
        }

        .footer-bottom a {
            color: #9CA3AF;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-padding {
                padding: var(--section-padding-mobile) 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                justify-content: center;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stories-grid {
                grid-template-columns: 1fr;
            }
            .rules-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input[type="email"],
            .cta-form input[type="text"] {
                min-width: 100%;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .showcase-content h3 {
                font-size: 1.25rem;
            }
            .hero-section {
                padding: 60px 0 50px;
                min-height: auto;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-trust-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-badge {
                font-size: 0.75rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }