/* roulang page: index */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-sans);
            color: var(--text-primary);
            margin: 0;
            line-height: 1.3;
        }

        h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: 19px;
            font-weight: 600;
        }

        p {
            margin: 0;
            color: var(--text-secondary);
        }

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

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

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

        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

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

        .section-sm {
            padding: 48px 0;
        }

        .section-bg-alt {
            background-color: var(--bg-secondary);
        }

        .section-bg-elevated {
            background-color: var(--bg-tertiary);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }

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

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

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

        .text-accent {
            color: var(--accent) !important;
        }

        .text-purple {
            color: var(--purple) !important;
        }

        .text-amber {
            color: var(--amber) !important;
        }

        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        .fw-700 {
            font-weight: 700;
        }

        .fw-800 {
            font-weight: 800;
        }

        .fs-sm {
            font-size: 14px;
        }

        .fs-xs {
            font-size: 13px;
        }

        .mt-6 {
            margin-top: 48px;
        }

        .mb-6 {
            margin-bottom: 48px;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

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

        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        .btn-lg-custom {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-sm);
        }

        .btn-block-custom {
            display: flex;
            width: 100%;
            justify-content: center;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(15, 18, 24, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .header-row-top {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .brand-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .brand-logo-text span {
            color: var(--accent);
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            min-width: 120px;
            position: relative;
        }

        .header-search input {
            width: 100%;
            padding: 9px 16px 9px 40px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }

        .header-search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

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

        .btn-login {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 12px;
            transition: color var(--transition);
        }

        .btn-login:hover {
            color: var(--text-primary);
        }

        .btn-register {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: 50px;
            padding: 8px 18px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }

        .btn-register:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
        }

        .header-row-tabs {
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            border-top: 1px solid var(--border);
            gap: 4px;
        }

        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            white-space: nowrap;
        }

        .nav-tabs-custom li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-tabs-custom li a:hover {
            color: var(--text-primary);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-tabs-custom li a.active {
            color: var(--accent);
            background-color: var(--accent-dim);
            font-weight: 600;
        }

        .nav-tabs-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        /* Mobile nav toggle */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            padding: 6px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 60px 0 56px;
            background-color: var(--bg-primary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            pointer-events: none;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            opacity: 0.35;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 18, 24, 0.6) 0%, rgba(15, 18, 24, 0.85) 60%, var(--bg-primary) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 24px;
        }

        .hero-profile {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .hero-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            overflow: hidden;
            border: 3px solid var(--accent);
            box-shadow: 0 0 32px rgba(0, 229, 160, 0.3);
            flex-shrink: 0;
        }

        .hero-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .hero-name {
            font-size: 26px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-name .verified-icon {
            color: var(--accent);
            font-size: 18px;
        }

        .hero-tagline {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-tagline .badge-tag {
            background-color: var(--purple-dim);
            color: var(--purple);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }

        .hero-h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.8px;
            color: var(--text-primary);
            max-width: 720px;
        }

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

        .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            font-weight: 400;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            min-width: 100px;
        }

        .hero-stat-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }

        .hero-stat-value.accent {
            color: var(--accent);
        }

        .hero-stat-value.amber {
            color: var(--amber);
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-cta-wrap {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 4px;
        }

        /* Data quick strip */
        .data-quick-strip {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
            overflow: hidden;
        }

        .data-quick-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
        }

        .data-quick-row::-webkit-scrollbar {
            display: none;
        }

        .data-quick-item {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 18px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .data-quick-item:hover {
            border-color: var(--border-hover);
            background-color: var(--bg-elevated);
        }

        .data-quick-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .data-quick-dot.green {
            background-color: var(--accent);
            box-shadow: 0 0 8px rgba(0, 229, 160, 0.5);
        }

        .data-quick-dot.amber {
            background-color: var(--amber);
            box-shadow: 0 0 8px rgba(255, 184, 0, 0.5);
        }

        .data-quick-dot.purple {
            background-color: var(--purple);
            box-shadow: 0 0 8px rgba(124, 77, 255, 0.5);
        }

        .data-quick-text {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .data-quick-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* Cards */
        .card-custom {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition);
            position: relative;
        }

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

        .card-custom-sm {
            border-radius: var(--radius-md);
            padding: 18px;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .card-icon.green {
            background-color: var(--accent-dim);
            color: var(--accent);
        }

        .card-icon.purple {
            background-color: var(--purple-dim);
            color: var(--purple);
        }

        .card-icon.amber {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

        .card-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        .card-cover-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background-color: var(--bg-elevated);
        }

        .card-cover-img-sm {
            height: 110px;
        }

        /* Layout: info stream + right sidebar */
        .info-stream-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .stream-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .stream-item:hover {
            padding-left: 8px;
        }

        .stream-item-img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            background-color: var(--bg-elevated);
            flex-shrink: 0;
        }

        .stream-item-body {
            flex: 1;
        }

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

        .stream-item-title a:hover {
            color: var(--accent);
        }

        .stream-item-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .stream-item-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            line-height: 1.6;
        }

        /* Right sidebar / hot list */
        .hot-list-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            position: sticky;
            top: 140px;
        }

        .hot-list-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .hot-list-item:hover {
            padding-left: 6px;
        }

        .hot-rank {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .hot-rank.top1 {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

        .hot-rank.top2 {
            background-color: var(--purple-dim);
            color: var(--purple);
        }

        .hot-rank.top3 {
            background-color: var(--accent-dim);
            color: var(--accent);
        }

        .hot-list-info {
            flex: 1;
        }

        .hot-list-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hot-list-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        .hot-list-badge {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 50px;
            background-color: var(--accent-dim);
            color: var(--accent);
            flex-shrink: 0;
        }

        /* Topic pills strip */
        .topic-strip {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .topic-strip-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .topic-pill:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--accent-dim);
        }

        .topic-pill.active {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--accent-dim);
        }

        /* Scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            position: relative;
        }

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

        .scene-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            background-color: var(--bg-elevated);
            border-radius: 0;
        }

        .scene-card-body {
            padding: 18px;
        }

        .scene-card-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scene-card-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

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

        .compare-card {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition);
        }

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

        .compare-card.featured {
            border-color: var(--accent);
            background: linear-gradient(180deg, rgba(0, 229, 160, 0.06) 0%, var(--bg-tertiary) 40%);
        }

        .compare-card-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .compare-card-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border);
        }

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

        .compare-check {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-x {
            color: var(--text-muted);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .badge-featured {
            display: inline-block;
            background-color: var(--accent);
            color: var(--bg-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

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

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            flex-shrink: 0;
            min-width: 90px;
            padding-top: 2px;
        }

        .news-body {
            flex: 1;
            min-width: 200px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .news-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }

        /* Brand intro */
        .brand-intro {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent), var(--purple));
        }

        .brand-intro-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .brand-intro-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
        }

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

        .testimonial-card {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: all var(--transition);
            position: relative;
        }

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

        .testimonial-quote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--bg-elevated);
            overflow: hidden;
            flex-shrink: 0;
        }

        .testimonial-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

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

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-question-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--bg-elevated);
            color: var(--text-muted);
            font-size: 12px;
            transition: all var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-left: 2px solid var(--accent);
            margin-left: 20px;
            padding-left: 16px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

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

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition);
        }

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

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .guarantee-icon.green {
            background-color: var(--accent-dim);
            color: var(--accent);
        }

        .guarantee-icon.purple {
            background-color: var(--purple-dim);
            color: var(--purple);
        }

        .guarantee-icon.amber {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

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

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

        /* Subscribe CTA */
        .subscribe-section {
            background-color: var(--bg-secondary);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-card {
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }

        .subscribe-form button {
            padding: 12px 24px;
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: auto;
        }

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

        .footer-brand-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 10px;
            max-width: 280px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

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

        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }

        .footer-form input {
            flex: 1;
            min-width: 0;
            padding: 9px 14px;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 13px;
            transition: all var(--transition);
        }

        .footer-form input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.12);
        }

        .footer-form button {
            padding: 9px 16px;
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 13px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .footer-form button:hover {
            background-color: var(--accent-hover);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

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

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

        /* Fixed bottom CTA bar */
        .fixed-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background-color: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 20px;
            gap: 16px;
            transition: all var(--transition);
        }

        .fixed-bottom-cta-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .fixed-bottom-cta-btn {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: 50px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .fixed-bottom-cta-btn:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0, 229, 160, 0.3);
        }

        .fixed-bottom-cta-collapse {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .fixed-bottom-cta-collapse:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        /* Media partner */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .partner-logo {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-muted);
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }

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

        /* Play types tabs */
        .play-type-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .play-type-card {
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition);
        }

        .play-type-card:hover, .play-type-card.active {
            border-color: var(--accent);
            background-color: var(--accent-dim);
            box-shadow: var(--shadow-glow);
        }

        .play-type-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .play-type-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Latest updates */
        .update-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .update-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
            background-color: var(--purple-dim);
            color: var(--purple);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .update-badge.green {
            background-color: var(--accent-dim);
            color: var(--accent);
        }

        .update-badge.amber {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

        .update-content {
            flex: 1;
        }

        .update-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
        }

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

        /* Images placeholder */
        .img-placeholder {
            background-color: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-faint);
            font-size: 12px;
            letter-spacing: 0.5px;
            overflow: hidden;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-stream-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hot-list-card {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 24px;
            }
            .hero-h1 {
                font-size: 28px;
            }
            .hero-section {
                padding: 40px 0 36px;
            }
            .header-search {
                display: none;
            }
            .header-row-top {
                height: 56px;
            }
            .header-row-tabs {
                height: 42px;
            }
            .nav-tabs-custom li a {
                padding: 8px 12px;
                font-size: 13px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-strip {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: 1fr 1fr;
            }
            .play-type-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-intro {
                padding: 24px 22px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 18px;
            }
            .news-date {
                min-width: auto;
            }
            .fixed-bottom-cta {
                height: 56px;
                gap: 10px;
            }
            .fixed-bottom-cta-text {
                font-size: 12px;
            }
            .fixed-bottom-cta-btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .stream-item {
                flex-direction: column;
                gap: 10px;
            }
            .stream-item-img {
                width: 100%;
                height: 140px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form button {
                width: 100%;
            }
            .footer-form {
                flex-direction: column;
            }
            .footer-form button {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .topic-strip {
                padding: 14px 16px;
            }
            .hero-avatar {
                width: 60px;
                height: 60px;
            }
            .hero-stats {
                gap: 14px;
            }
            .hero-stat-value {
                font-size: 20px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 21px;
            }
            .hero-h1 {
                font-size: 24px;
            }
            .hero-sub {
                font-size: 14px;
            }
            .btn-primary-custom, .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-cta-wrap {
                width: 100%;
                flex-direction: column;
                gap: 8px;
            }
            .hero-cta-wrap .btn {
                width: 100%;
            }
            .header-actions .btn-login {
                display: none;
            }
            .brand-logo-text {
                font-size: 17px;
            }
            .partner-grid {
                grid-template-columns: 1fr;
            }
            .data-quick-item {
                padding: 8px 14px;
            }
            .data-quick-text {
                font-size: 12px;
            }
            .card-custom {
                padding: 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14px;
            }
            .fixed-bottom-cta-text {
                display: none;
            }
            .fixed-bottom-cta {
                justify-content: center;
            }
            .fixed-bottom-cta-btn {
                width: auto;
                padding: 8px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 14px 16px;
                margin-left: 14px;
                padding-left: 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 400px) {
            .hero-h1 {
                font-size: 21px;
            }
            .hero-name {
                font-size: 20px;
            }
            .hero-stat-value {
                font-size: 18px;
            }
            .nav-tabs-custom li a {
                padding: 6px 10px;
                font-size: 12px;
            }
            .header-row-tabs {
                height: 38px;
            }
            .brand-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
        }
        .section-bg-elevated {
            background-color: var(--bg-tertiary);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-purple {
            color: var(--purple) !important;
        }
        .text-amber {
            color: var(--amber) !important;
        }
        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }
        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background-color: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .header-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--text-primary);
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .brand-logo-text {
            font-size: 20px;
            letter-spacing: 0.3px;
        }
        .brand-logo-text span {
            color: var(--accent);
        }
        .header-search {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 360px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 16px;
            gap: 10px;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .header-search-icon {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .header-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .header-search input::placeholder {
            color: var(--text-faint);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .btn-login:hover {
            color: var(--accent);
            background-color: var(--accent-dim);
            border-color: var(--accent-dim);
        }
        .btn-register {
            background-color: var(--accent);
            color: var(--bg-primary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }
        .btn-register:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.3);
        }
        .header-row-tabs {
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }
        .nav-tabs-custom li {
            flex-shrink: 0;
        }
        .nav-tabs-custom a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-tabs-custom a:hover {
            color: var(--text-primary);
            background-color: var(--bg-elevated);
        }
        .nav-tabs-custom a.active {
            color: var(--accent);
            background-color: var(--accent-dim);
            font-weight: 600;
        }
        .nav-tabs-custom a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 20px 0;
            background-color: transparent;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '>';
            color: var(--text-faint);
            font-size: 12px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Category Page Specific Styles */
        .category-h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .category-intro {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.75;
            margin-bottom: 32px;
        }

        /* Data Cards Grid */
        .data-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-stat-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .data-stat-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .data-stat-card .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .stat-icon.green {
            background-color: var(--accent-dim);
            color: var(--accent);
        }
        .stat-icon.purple {
            background-color: var(--purple-dim);
            color: var(--purple);
        }
        .stat-icon.amber {
            background-color: var(--amber-dim);
            color: var(--amber);
        }
        .data-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .data-stat-card .stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .data-stat-card .stat-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            margin-top: 8px;
        }
        .stat-change.up {
            color: var(--accent);
        }
        .stat-change.down {
            color: #FF6B6B;
        }
        .data-stat-card .stat-detail {
            font-size: 12px;
            color: var(--text-faint);
            margin-top: 4px;
        }

        /* Chart Placeholder */
        .chart-placeholder-wrapper {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .chart-placeholder-wrapper:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }
        .chart-placeholder-wrapper img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: 0;
            opacity: 0.85;
            transition: all var(--transition);
        }
        .chart-placeholder-wrapper:hover img {
            opacity: 1;
            transform: scale(1.01);
        }
        .chart-placeholder-body {
            padding: 20px 24px;
        }
        .chart-placeholder-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .chart-placeholder-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Data Articles List */
        .data-article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .data-article-item {
            display: flex;
            gap: 16px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition);
        }
        .data-article-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }
        .data-article-item img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .data-article-content {
            flex: 1;
            min-width: 0;
        }
        .data-article-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .data-article-content h4 a {
            color: var(--text-primary);
        }
        .data-article-content h4 a:hover {
            color: var(--accent);
        }
        .data-article-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        /* Tool Entry Card */
        .tool-entry-card {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-secondary));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tool-entry-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.08), transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .tool-entry-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .tool-entry-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-dim), var(--purple-dim));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
        }
        .tool-entry-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 0;
        }
        .tool-entry-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 520px;
        }

        /* Load More Button */
        .load-more-section {
            text-align: center;
            padding-top: 12px;
        }
        .load-more-btn {
            background-color: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 12px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .load-more-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--accent-dim);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 14px;
            max-width: 280px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-form {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background-color: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 13px;
            outline: none;
            transition: all var(--transition);
            min-width: 0;
        }
        .footer-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .footer-form input::placeholder {
            color: var(--text-faint);
        }
        .footer-form button {
            background-color: var(--accent);
            color: var(--bg-primary);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .footer-form button:hover {
            background-color: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.3);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .footer-bottom span {
            font-size: 13px;
            color: var(--text-faint);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-faint);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .data-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-row-top {
                height: 56px;
                gap: 12px;
            }
            .header-search {
                max-width: 160px;
                padding: 6px 12px;
            }
            .header-search input {
                font-size: 12px;
            }
            .brand-logo-text {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 15px;
            }
            .btn-login, .btn-register {
                padding: 6px 12px;
                font-size: 12px;
            }
            .header-row-tabs {
                height: 44px;
            }
            .nav-tabs-custom a {
                padding: 8px 12px;
                font-size: 13px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-h1 {
                font-size: 28px;
            }
            .data-card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-stat-card {
                padding: 18px;
            }
            .data-stat-card .stat-value {
                font-size: 24px;
            }
            .chart-placeholder-wrapper img {
                height: 200px;
            }
            .data-article-item {
                flex-direction: column;
                gap: 12px;
            }
            .data-article-item img {
                width: 100%;
                height: 160px;
                border-radius: var(--radius-sm);
            }
            .tool-entry-card {
                padding: 24px;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-form {
                flex-direction: column;
            }
            .footer-form button {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-row-top {
                gap: 8px;
            }
            .header-search {
                max-width: 120px;
                padding: 5px 10px;
            }
            .header-search input {
                font-size: 11px;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login, .btn-register {
                padding: 5px 10px;
                font-size: 11px;
            }
            .brand-logo-text {
                font-size: 15px;
            }
            .brand-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 13px;
            }
            .nav-tabs-custom a {
                padding: 7px 10px;
                font-size: 12px;
            }
            .section-title {
                font-size: 21px;
            }
            .category-h1 {
                font-size: 24px;
            }
            .category-intro {
                font-size: 14px;
            }
            .data-stat-card .stat-value {
                font-size: 21px;
            }
            .chart-placeholder-wrapper img {
                height: 160px;
            }
            .breadcrumb-section {
                padding: 14px 0;
            }
            .breadcrumb-custom {
                font-size: 12px;
            }
        }

        /* Bootstrap override for buttons */
        .btn:focus {
            box-shadow: none !important;
        }
        .btn-primary-custom, .btn-outline-custom, .load-more-btn, .btn-login, .btn-register {
            cursor: pointer;
        }
        .site-header .container {
            max-width: var(--container-max);
        }
        main {
            flex: 1;
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
        }
        .section-bg-elevated {
            background-color: var(--bg-tertiary);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .text-purple {
            color: var(--purple) !important;
        }
        .text-amber {
            color: var(--amber) !important;
        }
        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }
        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(15, 18, 24, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 64px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--text-primary);
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .brand-logo-text {
            font-weight: 800;
            font-size: 20px;
        }
        .brand-logo-text > span {
            color: var(--accent);
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 18px;
            gap: 10px;
            flex: 1;
            max-width: 320px;
            min-width: 0;
            transition: border-color var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow);
        }
        .header-search-icon {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: var(--text-faint);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .btn-login:hover {
            color: var(--text-primary);
            background-color: var(--bg-elevated);
        }
        .btn-register {
            background-color: var(--accent);
            color: var(--bg-primary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }
        .btn-register:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.3);
        }
        .header-row-tabs {
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            border-top: 1px solid var(--border);
        }
        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            white-space: nowrap;
            min-width: max-content;
        }
        .nav-tabs-custom li a {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-tabs-custom li a:hover {
            color: var(--text-primary);
            background-color: var(--bg-secondary);
        }
        .nav-tabs-custom li a.active {
            color: var(--accent);
            font-weight: 600;
        }
        .nav-tabs-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-custom li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li + li::before {
            content: '/';
            color: var(--text-faint);
            font-size: 12px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* Page hero / header */
        .page-header {
            padding: 32px 0 16px;
        }
        .page-header h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .page-header .page-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.75;
        }

        /* Team cards */
        .team-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .team-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .team-card .team-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-tertiary));
        }
        .team-card .team-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-card .team-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .team-card .team-region {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            background-color: var(--bg-tertiary);
            padding: 3px 10px;
            border-radius: 50px;
        }
        .team-card .team-stats {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            gap: 12px;
            flex-wrap: wrap;
        }
        .team-card .win-rate {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
            line-height: 1;
        }
        .team-card .win-rate small {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0;
        }
        .team-card .recent-record {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .team-card .record-win {
            color: var(--accent);
            font-weight: 600;
        }
        .team-card .record-loss {
            color: var(--text-muted);
        }
        .team-card .team-footer {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .team-card .team-footer .odds-label {
            font-size: 12px;
            color: var(--text-muted);
        }
        .team-card .team-footer .odds-value {
            font-size: 15px;
            font-weight: 600;
            color: var(--amber);
        }

        /* Player ranking */
        .player-rank-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            margin-bottom: 12px;
        }
        .player-rank-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }
        .player-rank-card .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
            background-color: var(--bg-elevated);
            color: var(--text-secondary);
        }
        .player-rank-card .rank-num.top1 {
            background-color: var(--amber-dim);
            color: var(--amber);
        }
        .player-rank-card .rank-num.top2 {
            background-color: rgba(192, 192, 192, 0.15);
            color: #C0C0C0;
        }
        .player-rank-card .rank-num.top3 {
            background-color: rgba(205, 127, 50, 0.2);
            color: #CD7F32;
        }
        .player-rank-card .player-info {
            flex: 1;
            min-width: 0;
        }
        .player-rank-card .player-name {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 2px;
        }
        .player-rank-card .player-pos {
            font-size: 13px;
            color: var(--text-muted);
        }
        .player-rank-card .player-stat {
            text-align: right;
            flex-shrink: 0;
        }
        .player-rank-card .player-stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .player-rank-card .player-stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* News cards */
        .news-item-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-item-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }
        .news-item-card .news-date {
            font-size: 12px;
            color: var(--text-faint);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .news-item-card .news-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-item-card .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-item-card .news-link {
            color: var(--accent);
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .news-item-card .news-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* Season analysis */
        .analysis-panel {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--bg-elevated) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .analysis-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, var(--purple-dim) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .analysis-panel .analysis-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .analysis-panel .analysis-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            position: relative;
            z-index: 1;
        }
        .analysis-panel .analysis-stat {
            background-color: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
        }
        .analysis-panel .analysis-stat-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .analysis-panel .analysis-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* CTA strip */
        .cta-strip {
            background: linear-gradient(135deg, var(--accent-dim) 0%, var(--bg-secondary) 40%, var(--bg-tertiary) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-strip .cta-text {
            flex: 1;
            min-width: 200px;
        }
        .cta-strip .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cta-strip .cta-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            margin-top: auto;
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .footer-form input {
            flex: 1;
            min-width: 0;
            background-color: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: all var(--transition);
        }
        .footer-form input::placeholder {
            color: var(--text-faint);
        }
        .footer-form input:focus {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px var(--accent-dim);
        }
        .footer-form button {
            background-color: var(--accent);
            color: var(--bg-primary);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .footer-form button:hover {
            background-color: var(--accent-hover);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-faint);
            flex-wrap: wrap;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-faint);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .header-search {
                max-width: 200px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .header-row-top {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
                flex-wrap: wrap;
                gap: 10px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                width: 100%;
                flex-basis: 100%;
            }
            .header-row-tabs {
                height: 44px;
            }
            .nav-tabs-custom li a {
                padding: 10px 14px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .team-card .team-stats {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .analysis-panel {
                padding: 24px 20px;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .player-rank-card {
                padding: 12px 16px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .player-rank-card .player-stat {
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-actions .btn-login {
                padding: 6px 12px;
                font-size: 13px;
            }
            .header-actions .btn-register {
                padding: 6px 14px;
                font-size: 13px;
            }
            .brand-logo-text {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 21px;
            }
            .team-card .win-rate {
                font-size: 24px;
            }
            .analysis-panel .analysis-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .analysis-panel .analysis-stat-value {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb-custom {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        button { cursor: pointer; border: none; outline: none; }

        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section { padding: var(--section-pad) 0; }
        .section-sm { padding: 48px 0; }
        .section-bg-alt { background-color: var(--bg-secondary); }
        .section-bg-elevated { background-color: var(--bg-tertiary); }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .section-header { margin-bottom: 36px; }
        .section-header-center { text-align: center; }
        .section-header-center .section-desc { margin-left: auto; margin-right: auto; }

        .text-accent { color: var(--accent) !important; }
        .text-purple { color: var(--purple) !important; }
        .text-amber { color: var(--amber) !important; }
        .text-muted-custom { color: var(--text-muted) !important; }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }
        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }
        .btn-outline-custom:active { transform: translateY(0); }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-row-top {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #0F1218;
            letter-spacing: -0.5px;
        }
        .brand-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-primary);
        }
        .brand-logo-text span { color: var(--accent); }
        .header-search {
            flex: 1;
            max-width: 420px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-icon {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 13px;
            pointer-events: none;
        }
        .header-search input {
            width: 100%;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 9px 16px 9px 36px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }
        .header-search input::placeholder { color: var(--text-muted); }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login, .btn-register {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
        }
        .btn-register {
            background: var(--accent);
            color: var(--bg-primary);
        }
        .btn-register:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.3);
        }
        .header-row-tabs {
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header-row-tabs::-webkit-scrollbar { display: none; }
        .nav-tabs-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            white-space: nowrap;
            min-height: 48px;
        }
        .nav-tabs-custom li a {
            display: block;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.1px;
        }
        .nav-tabs-custom li a:hover {
            color: var(--text-primary);
            background: var(--accent-dim);
            border-radius: 8px 8px 0 0;
        }
        .nav-tabs-custom li a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover { color: var(--accent); }
        .breadcrumb-custom .separator { color: var(--text-faint); font-size: 11px; }
        .breadcrumb-custom .current { color: var(--accent); font-weight: 500; }

        /* Page Hero (分类页首屏) */
        .page-hero {
            padding: 56px 0 40px;
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border);
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .page-hero .lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Stats strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 24px 0;
        }
        .stat-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.3px;
            display: block;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .news-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .news-card-img {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-elevated);
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
            border-radius: var(--radius-sm);
        }
        .news-card:hover .news-card-img img { transform: scale(1.06); }
        .news-card-body { flex: 1; display: flex; flex-direction: column; }
        .news-card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-date .badge-tag {
            background: var(--accent-dim);
            color: var(--accent);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 500;
        }
        .news-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.1px;
            line-height: 1.4;
        }
        .news-card-title a { color: var(--text-primary); }
        .news-card-title a:hover { color: var(--accent); }
        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: transparent;
            padding: 0;
            transition: all var(--transition);
            align-self: flex-start;
        }
        .btn-read-more:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* Featured cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            position: relative;
        }
        .featured-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .featured-card-img {
            height: 200px;
            overflow: hidden;
            background: var(--bg-elevated);
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
            border-radius: 0;
        }
        .featured-card:hover .featured-card-img img { transform: scale(1.08); }
        .featured-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 18, 24, 0.85);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid var(--border-hover);
            backdrop-filter: blur(8px);
        }
        .featured-card-body {
            padding: 20px;
        }
        .featured-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.1px;
            line-height: 1.4;
        }
        .featured-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .featured-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .featured-card-link:hover { color: var(--accent-hover); gap: 10px; }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(145deg, var(--bg-tertiary) 0%, var(--bg-elevated) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 160px;
            background: radial-gradient(ellipse, rgba(0, 229, 160, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
        }
        .subscribe-cta p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder { color: var(--text-muted); }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }

        /* Load more */
        .load-more-wrap {
            text-align: center;
            padding: 20px 0 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--accent); }
        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-form input {
            flex: 1;
            min-width: 140px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-form input::placeholder { color: var(--text-muted); }
        .footer-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }
        .footer-form button {
            background: var(--accent);
            color: var(--bg-primary);
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .footer-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.3);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-faint);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--text-faint);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover { color: var(--accent); }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-strip { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .header-row-top { height: auto; padding: 10px 0; flex-wrap: wrap; }
            .header-search { order: 3; max-width: 100%; flex: 1 1 100%; }
            .header-actions { margin-left: auto; }
            .page-hero h1 { font-size: 28px; }
            .section { padding: var(--section-pad-mobile) 0; }
            .news-card { flex-direction: column; gap: 12px; }
            .news-card-img { width: 100%; height: 160px; }
            .featured-grid { grid-template-columns: 1fr; }
            .featured-card-img { height: 180px; }
            .stats-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
            .subscribe-cta { padding: 28px 18px; }
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .brand-logo-text { font-size: 17px; }
            .nav-tabs-custom li a { padding: 10px 14px; font-size: 13px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .page-hero h1 { font-size: 24px; }
            .stats-strip { grid-template-columns: 1fr 1fr; }
            .stat-value { font-size: 20px; }
            .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
            .header-search input { font-size: 13px; padding-left: 32px; }
            .news-card-title { font-size: 16px; }
            .featured-card-title { font-size: 16px; }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

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

        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

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

        .section-sm {
            padding: 48px 0;
        }

        .section-bg-alt {
            background-color: var(--bg-secondary);
        }

        .section-bg-elevated {
            background-color: var(--bg-tertiary);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }

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

        .text-accent {
            color: var(--accent) !important;
        }

        .text-purple {
            color: var(--purple) !important;
        }

        .text-amber {
            color: var(--amber) !important;
        }

        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }

        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

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

        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition);
        }

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

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--purple));
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }

        .brand-logo-text {
            font-size: 19px;
            letter-spacing: 0.5px;
        }

        .brand-logo-text span {
            color: var(--accent);
        }

        .header-search {
            flex: 1;
            max-width: 420px;
            position: relative;
            margin: 0 16px;
        }

        .header-search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background-color: var(--bg-secondary);
            color: var(--text-primary);
            padding: 0 16px 0 40px;
            font-size: 14px;
            transition: all var(--transition);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }

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

        .btn-login, .btn-register {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login {
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
        }

        .btn-login:hover {
            color: var(--text-primary);
            border-color: var(--border-hover);
            background-color: var(--bg-elevated);
        }

        .btn-register {
            color: var(--bg-primary);
            background-color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-register:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--bg-primary);
        }

        .header-row-tabs {
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-custom {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            white-space: nowrap;
        }

        .nav-tabs-custom li a {
            display: block;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 20px;
            transition: all var(--transition);
            position: relative;
        }

        .nav-tabs-custom li a:hover {
            color: var(--text-primary);
            background-color: var(--bg-elevated);
        }

        .nav-tabs-custom li a.active {
            color: var(--accent);
            background-color: var(--accent-dim);
            font-weight: 600;
        }

        .nav-tabs-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--accent);
            border-radius: 1px;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: 20px 0 0;
            margin-bottom: 0;
        }

        .custom-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .custom-breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .custom-breadcrumb li a:hover {
            color: var(--accent);
        }

        .custom-breadcrumb li.separator {
            color: var(--text-faint);
            user-select: none;
        }

        .custom-breadcrumb li.current {
            color: var(--text-secondary);
        }

        /* Category Hero (non-Hero, simple) */
        .category-intro {
            padding: 28px 0 36px;
            border-bottom: 1px solid var(--border);
            background-color: var(--bg-primary);
        }

        .category-intro h1 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .category-intro .intro-text {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Strategy Cards */
        .strategy-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .strategy-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--bg-tertiary);
            flex-shrink: 0;
        }

        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .strategy-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .strategy-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 0;
            line-height: 1.5;
        }

        .strategy-card-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }

        .strategy-card-body h3 a:hover {
            color: var(--accent);
        }

        .strategy-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 4px;
        }

        .strategy-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
            background-color: var(--accent-dim);
            color: var(--accent);
            white-space: nowrap;
        }

        .strategy-tag.purple {
            background-color: var(--purple-dim);
            color: var(--purple);
        }

        .strategy-tag.amber {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

        .strategy-card-body .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }

        .strategy-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .strategy-card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* Strategy Points */
        .strategy-points-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .strategy-point-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition);
        }

        .strategy-point-item:hover {
            border-color: var(--border-hover);
            background-color: var(--bg-tertiary);
        }

        .strategy-point-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .strategy-point-item:nth-child(2) .strategy-point-icon {
            background-color: var(--purple-dim);
            color: var(--purple);
        }

        .strategy-point-item:nth-child(3) .strategy-point-icon {
            background-color: var(--amber-dim);
            color: var(--amber);
        }

        .strategy-point-item:nth-child(4) .strategy-point-icon {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-hover);
        }

        .strategy-point-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .strategy-point-text strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Beginner Guide Bar */
        .beginner-guide-bar {
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-elevated));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .beginner-guide-content {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            min-width: 260px;
        }

        .beginner-guide-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .beginner-guide-text h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .beginner-guide-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            text-align: left;
            transition: all var(--transition);
            cursor: pointer;
            background: none;
            border: none;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-left: 2px solid var(--accent);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* Load More */
        .load-more-wrapper {
            text-align: center;
            padding-top: 16px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        .footer-form {
            display: flex;
            gap: 10px;
            margin-top: 4px;
        }

        .footer-form input {
            flex: 1;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            padding: 0 14px;
            font-size: 14px;
            transition: all var(--transition);
            min-width: 0;
        }

        .footer-form input::placeholder {
            color: var(--text-muted);
        }

        .footer-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }

        .footer-form button {
            height: 40px;
            padding: 0 20px;
            border-radius: 8px;
            background-color: var(--accent);
            color: var(--bg-primary);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .footer-form button:hover {
            background-color: var(--accent-hover);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }

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

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

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

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

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .header-search {
                max-width: 280px;
            }

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

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

            .section-sm {
                padding: 32px 0;
            }

            .header-row-top {
                height: 56px;
                gap: 8px;
            }

            .brand-logo-text {
                font-size: 16px;
            }

            .brand-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }

            .header-search {
                display: none;
            }

            .header-row-tabs {
                height: 42px;
            }

            .nav-tabs-custom li a {
                padding: 8px 14px;
                font-size: 13px;
            }

            .category-intro {
                padding: 20px 0 28px;
            }

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

            .category-intro .intro-text {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .strategy-card-body {
                padding: 16px;
            }

            .strategy-card-body h3 {
                font-size: 16px;
            }

            .beginner-guide-bar {
                padding: 20px;
            }

            .beginner-guide-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
                border-radius: 10px;
            }

            .beginner-guide-text h3 {
                font-size: 16px;
            }

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

            .footer-form {
                flex-direction: column;
            }

            .footer-form button {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .header-row-top {
                gap: 6px;
            }

            .btn-login, .btn-register {
                padding: 6px 12px;
                font-size: 12px;
            }

            .nav-tabs-custom li a {
                padding: 6px 10px;
                font-size: 12px;
                border-radius: 14px;
            }

            .category-intro h1 {
                font-size: 20px;
            }

            .section-title {
                font-size: 20px;
            }

            .strategy-card-img {
                aspect-ratio: 16/10;
            }

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

            .faq-answer-inner {
                margin-left: 16px;
                padding-left: 12px;
                padding-right: 16px;
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0F1218;
            --bg-secondary: #181C24;
            --bg-tertiary: #1E232D;
            --bg-elevated: #222836;
            --accent: #00E5A0;
            --accent-hover: #00c98a;
            --accent-dim: rgba(0, 229, 160, 0.12);
            --purple: #7C4DFF;
            --purple-dim: rgba(124, 77, 255, 0.15);
            --amber: #FFB800;
            --amber-dim: rgba(255, 184, 0, 0.12);
            --text-primary: #F2F4F8;
            --text-secondary: #B0B6C3;
            --text-muted: #7A8292;
            --text-faint: #555D6B;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 160, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 229, 160, 0.18);
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1280px;
            --section-pad: 72px;
            --section-pad-mobile: 40px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--section-pad) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-xs {
            padding: 32px 0;
        }
        .section-bg-alt {
            background-color: var(--bg-secondary);
        }
        .section-bg-elevated {
            background-color: var(--bg-tertiary);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        .text-accent {
            color: var(--accent) !important;
        }
        .text-purple {
            color: var(--purple) !important;
        }
        .text-amber {
            color: var(--amber) !important;
        }
        .text-muted-custom {
            color: var(--text-muted) !important;
        }

        /* Buttons */
        .btn-primary-custom {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            position: relative;
            overflow: hidden;
        }
        .btn-primary-custom:hover {
            background-color: var(--accent-hover);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(0, 229, 160, 0.3);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.2);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }
        .btn-outline-custom:hover {
            background-color: var(--accent-dim);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }
        .btn-sm-custom {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* Header / Nav */
        .site-header {
            background-color: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
        }
        .header-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 64px;
            padding: 8px 0;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-primary);
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0;
        }
        .brand-logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }
        .brand-logo-text span {
            color: var(--accent);
        }
        .header-search {
            display: flex;
            align-items: center;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 16px;
            gap: 10px;
            flex: 1;
            max-width: 420px;
            transition: border-color var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.1);
        }
        .header-search-icon {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            width: 100%;
            font-size: 14px;
        }
        .header-search input::placeholder {
            color: var(--text-faint);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login, .btn-register {
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border);
        }
        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--accent-dim);
        }
        .btn-register {
            background: var(--accent);
            color: var(--bg-primary);
            border: 1px solid var(--accent);
        }
        .btn-register:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.3);
        }

        .header-row-tabs {
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            border-top: 1px solid var(--border);
            padding: 0;
            min-height: 48px;
            display: flex;
            align-items: center;
        }
        .header-row-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            white-space: nowrap;
        }
        .nav-tabs-custom li a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            border-radius: 4px 4px 0 0;
        }
        .nav-tabs-custom li a:hover {
            color: var(--text-primary);
            background-color: rgba(255, 255, 255, 0.04);
        }
        .nav-tabs-custom li a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            background-color: var(--accent-dim);
        }

        /* Breadcrumb */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            margin: 0 0 16px;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-custom li a {
            color: var(--text-muted);
        }
        .breadcrumb-custom li a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom li.separator {
            color: var(--text-faint);
        }
        .breadcrumb-custom li.current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* Category hero (non-Hero) */
        .category-intro {
            padding: 48px 0 32px;
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border);
        }
        .category-intro-h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .category-intro-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Info list cards */
        .info-card {
            display: flex;
            gap: 18px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px;
            margin-bottom: 14px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .info-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .info-card-thumb {
            width: 120px;
            min-width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background-color: var(--bg-elevated);
        }
        .info-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.4s ease;
        }
        .info-card:hover .info-card-thumb img {
            transform: scale(1.05);
        }
        .info-card-body {
            flex: 1;
            min-width: 0;
        }
        .info-card-date {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--amber);
            background-color: var(--amber-dim);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .info-card-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .info-card-title a {
            color: var(--text-primary);
        }
        .info-card-title a:hover {
            color: var(--accent);
        }
        .info-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }
        .info-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition);
        }
        .info-card-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }

        /* Editor picks */
        .editor-card {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .editor-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .editor-card-img {
            height: 180px;
            overflow: hidden;
            background-color: var(--bg-elevated);
            position: relative;
        }
        .editor-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .editor-card:hover .editor-card-img img {
            transform: scale(1.06);
        }
        .editor-card-body {
            padding: 20px;
        }
        .editor-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--purple);
            background-color: var(--purple-dim);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .editor-card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .editor-card-title a {
            color: var(--text-primary);
        }
        .editor-card-title a:hover {
            color: var(--accent);
        }
        .editor-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Trend data strip */
        .trend-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .trend-item {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }
        .trend-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }
        .trend-item-value {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }
        .trend-item-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Insight list */
        .insight-card {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            margin-bottom: 10px;
            transition: all var(--transition);
        }
        .insight-card:hover {
            border-color: var(--border-hover);
            background-color: var(--bg-tertiary);
        }
        .insight-icon {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-dim), var(--purple-dim));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
        }
        .insight-card-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .insight-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-elevated) 50%, var(--bg-secondary) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 140%;
            height: 220%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 160, 0.07) 0%, transparent 60%);
            pointer-events: none;
        }
        .subscribe-cta-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
        }
        .subscribe-cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
        }
        .subscribe-form {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 10px;
            position: relative;
        }
        .subscribe-form input {
            flex: 1;
            background-color: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            min-width: 0;
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.2);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: var(--text-faint);
        }

        /* Load more */
        .load-more-wrap {
            text-align: center;
            padding: 10px 0 20px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .footer-form input {
            flex: 1;
            min-width: 0;
            background-color: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 9px 14px;
            color: var(--text-primary);
            font-size: 13px;
            transition: all var(--transition);
        }
        .footer-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
            outline: none;
        }
        .footer-form input::placeholder {
            color: var(--text-faint);
        }
        .footer-form button {
            background-color: var(--accent);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .footer-form button:hover {
            background-color: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(0, 229, 160, 0.25);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
        }
        .footer-bottom span {
            font-size: 13px;
            color: var(--text-faint);
        }
        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-faint);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .header-row-top {
                flex-wrap: nowrap;
                gap: 10px;
            }
            .header-search {
                max-width: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .trend-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .category-intro-h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-row-top {
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 4px;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login, .btn-register {
                padding: 6px 12px;
                font-size: 13px;
            }
            .nav-tabs-custom li a {
                padding: 10px 14px;
                font-size: 13px;
            }
            .info-card {
                flex-direction: column;
                gap: 12px;
            }
            .info-card-thumb {
                width: 100%;
                min-width: 0;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-cta {
                padding: 28px 18px;
            }
            .subscribe-cta-title {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .section-title {
                font-size: 23px;
            }
            .category-intro {
                padding: 32px 0 24px;
            }
            .category-intro-h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-logo-text {
                font-size: 16px;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .header-actions .btn-login {
                display: none;
            }
            .info-card-date {
                font-size: 12px;
            }
            .info-card-title {
                font-size: 16px;
            }
            .info-card-summary {
                font-size: 13px;
            }
            .info-card-link {
                font-size: 12px;
            }
            .trend-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .trend-item-value {
                font-size: 24px;
            }
            .trend-item-label {
                font-size: 12px;
            }
            .editor-card-img {
                height: 150px;
            }
            .editor-card-body {
                padding: 16px;
            }
            .editor-card-title {
                font-size: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

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