/* roulang page: index */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }

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

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }

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

        .container {
            max-width: 1240px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }

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

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }

        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }

        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }

        .navbar-hupu .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }

        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

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

        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.9rem;
            right: 0.9rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .nav-mega-trigger {
            position: relative;
        }

        .nav-mega-trigger .btn-mega {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-mega-trigger .btn-mega:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 720px;
            max-width: calc(100vw - 30px);
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 48px rgba(15, 60, 90, 0.16);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all 0.3s ease;
            z-index: 1050;
            display: grid;
            grid-template-columns: 1fr 1fr 1.1fr;
            gap: 1.25rem;
        }

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

        .mega-panel .mega-title {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }

        .mega-panel .mega-link {
            display: block;
            padding: 0.45rem 0;
            font-size: 0.875rem;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border-lighter);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .mega-panel .mega-link:hover {
            color: var(--primary);
            text-decoration: none;
            padding-left: 0.35rem;
        }

        .mega-panel .mega-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 20px;
            padding: 0.2rem 0.6rem;
            margin: 0.15rem 0.1rem;
            text-decoration: none;
            transition: var(--transition-base);
        }

        .mega-panel .mega-tag:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .mega-panel .mega-card-mini {
            background: var(--bg-section);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            text-decoration: none;
            display: block;
        }

        .mega-panel .mega-card-mini:hover {
            box-shadow: var(--shadow-card-hover);
            text-decoration: none;
        }

        .mega-card-mini img {
            width: 100%;
            height: 80px;
            object-fit: cover;
        }

        .mega-card-mini .mega-mini-body {
            padding: 0.5rem 0.75rem;
        }

        .mega-card-mini .mega-mini-body strong {
            font-size: 0.8rem;
            color: var(--text-primary);
            display: block;
            line-height: 1.3;
        }

        .mega-card-mini .mega-mini-body span {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* Mobile nav */
        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.45rem 0.7rem;
            font-size: 1.2rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }

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

        .offcanvas-hupu {
            background: var(--card-bg);
            padding: 1.5rem;
            max-width: 320px;
        }

        /* Hero */
        .hero-data {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 117, 168, 0.06) 0%, rgba(244, 248, 251, 0.9) 45%, rgba(246, 250, 253, 0.96) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-light);
        }

        .hero-data .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(246, 250, 253, 0.93) 0%, rgba(246, 250, 253, 0.8) 40%, rgba(246, 250, 253, 0.62) 65%, rgba(246, 250, 253, 0.4) 100%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-inner {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .hero-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 20px;
            padding: 0.35rem 0.85rem;
            margin-bottom: 1.2rem;
            letter-spacing: 0.4px;
        }

        .hero-data h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 1rem;
            line-height: 1.25;
        }

        .hero-data .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            max-width: 560px;
        }

        .hero-sell-list {
            list-style: none;
            margin: 0 0 1.5rem;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .hero-sell-list li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .hero-sell-list li i {
            color: var(--primary);
            font-size: 0.85rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .btn-primary-hupu {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.72rem 1.5rem;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary-hupu:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(15, 117, 168, 0.3);
        }

        .btn-accent-hupu {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.72rem 1.5rem;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-accent-hupu:hover {
            background: var(--accent-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(228, 87, 46, 0.3);
        }

        .btn-outline-hupu {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 0.68rem 1.4rem;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

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

        .hero-trust-bar {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hero-trust-bar span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .hero-trust-bar i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        /* Hero data dashboard */
        .hero-dashboard {
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
        }

        .dashboard-title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .dashboard-title-row h2 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .dashboard-live-badge {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 20px;
            padding: 0.25rem 0.6rem;
            animation: pulse-live 2s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.7rem;
            margin-bottom: 1.2rem;
        }

        .metric-card-mini {
            background: var(--card-bg-tint);
            border-radius: var(--radius-md);
            padding: 0.75rem 0.85rem;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

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

        .metric-card-mini .metric-name {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .metric-card-mini .metric-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .metric-card-mini .metric-delta {
            font-size: 0.72rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            margin-top: 0.15rem;
        }

        .delta-up { color: #0E9F6E; }
        .delta-down { color: var(--accent); }

        .dashboard-top5 {
            border-top: 1px solid var(--border-light);
            padding-top: 0.9rem;
        }

        .dashboard-top5 .top5-title {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--text-secondary);
            margin-bottom: 0.6rem;
            letter-spacing: 0.4px;
        }

        .top5-scroll {
            display: flex;
            gap: 0.4rem;
            overflow-x: auto;
            padding-bottom: 0.25rem;
            scrollbar-width: thin;
        }

        .top5-item {
            flex: 0 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.45rem 0.7rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .top5-item:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .top5-item .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 0.7rem;
            font-weight: 700;
        }

        /* Section common */
        .section-hupu {
            padding: 4rem 0;
        }

        .section-hupu .section-header {
            margin-bottom: 2rem;
        }

        .section-hupu .section-header h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin-bottom: 0.75rem;
        }

        .section-hupu .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }

        .section-divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, var(--border-light) 0%, var(--border-lighter) 50%, var(--border-light) 100%);
            margin: 0;
        }

        /* Cards */
        .card-hupu {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.75rem;
            transition: var(--transition-base);
            height: 100%;
        }

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

        .card-hupu .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 20px;
            padding: 0.2rem 0.6rem;
            margin-bottom: 0.8rem;
        }

        .card-hupu .card-tag.tag-accent {
            color: var(--accent);
            background: var(--accent-soft);
        }

        .card-hupu h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.35;
        }

        .card-hupu p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .card-hupu .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .card-hupu img.card-cover {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
        }

        /* Service matrix asymmetry */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 1.25rem;
        }

        .service-matrix .service-main {
            grid-row: span 2;
        }

        .service-matrix .service-side {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .service-matrix .service-wide {
            grid-column: span 2;
        }

        .mini-bar {
            display: flex;
            gap: 0.3rem;
            align-items: flex-end;
            height: 40px;
            margin: 0.8rem 0 0.5rem;
        }

        .mini-bar .bar-seg {
            flex: 1;
            background: var(--primary-light);
            border-radius: 3px 3px 0 0;
            min-height: 6px;
            transition: var(--transition-base);
        }

        .mini-bar .bar-seg.highlight {
            background: var(--primary);
        }

        .mini-bar .bar-seg.seg-accent {
            background: var(--accent);
        }

        /* Comparison table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            background: var(--card-bg);
            box-shadow: var(--shadow-card);
        }

        .compare-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .compare-table thead th {
            background: var(--primary-light);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.5px;
            padding: 0.9rem 1rem;
            text-align: left;
            border-bottom: 2px solid var(--primary);
            white-space: nowrap;
        }

        .compare-table tbody td {
            padding: 0.85rem 1rem;
            border-bottom: 1px solid var(--border-lighter);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background: var(--bg-section);
        }

        .compare-bar {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .compare-bar .bar-track {
            flex: 1;
            height: 10px;
            background: var(--border-lighter);
            border-radius: 5px;
            overflow: hidden;
        }

        .compare-bar .bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 5px;
            transition: width 0.5s ease;
        }

        .compare-bar .bar-fill.bar-accent {
            background: var(--accent);
        }

        .compare-arrow-up { color: #0E9F6E; font-weight: 700; }
        .compare-arrow-down { color: var(--accent); font-weight: 700; }

        .scroll-hint {
            font-size: 0.72rem;
            color: var(--text-muted);
            text-align: right;
            padding-top: 0.5rem;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            gap: 1.25rem;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 1.25rem 1.5rem;
            transition: var(--transition-base);
            align-items: flex-start;
        }

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

        .news-item .news-date {
            flex: 0 0 80px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            padding-top: 0.2rem;
        }

        .news-item .news-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }

        .news-item .news-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 0.75rem;
        }

        .news-item .btn-read-more {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.35rem 0.8rem;
            transition: var(--transition-base);
            display: inline-block;
            text-decoration: none;
            background: transparent;
        }

        .news-item .btn-read-more:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            text-decoration: none;
        }

        .news-thumb {
            flex: 0 0 100px;
            width: 100px;
            height: 70px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        /* FAQ */
        .faq-list .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: 0 2px 8px rgba(15, 60, 90, 0.04);
        }

        .faq-list .accordion-button {
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 1.1rem 1.4rem;
            border: none;
            box-shadow: none;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition-base);
        }

        .faq-list .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-left-color: var(--primary);
            box-shadow: none;
        }

        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.15);
            border-left-color: var(--primary);
        }

        .faq-list .accordion-button::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 700;
            background-image: none;
            font-size: 1rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

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

        .faq-list .accordion-body {
            padding: 1.25rem 1.4rem;
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.75;
        }

        .faq-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 700;
            margin-right: 0.6rem;
            flex-shrink: 0;
        }

        /* Form */
        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 2.25rem;
        }

        .form-card .form-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.35rem;
        }

        .form-card .form-control,
        .form-card .form-select {
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.7rem 0.9rem;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: var(--bg-section);
            transition: var(--transition-base);
            min-height: 44px;
        }

        .form-card .form-control:focus,
        .form-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.12);
            background: #fff;
        }

        .form-card .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }

        .form-card .form-check-input:focus {
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.15);
        }

        .form-privacy-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 1rem;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .site-footer .footer-desc {
            font-size: 0.82rem;
            color: rgba(198, 210, 220, 0.75);
            line-height: 1.7;
            max-width: 420px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 0.5rem;
        }

        .site-footer .footer-links a {
            color: var(--footer-text);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition-base);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 0.25rem;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(198, 210, 220, 0.2);
            padding-top: 1.25rem;
            margin-top: 2rem;
            font-size: 0.75rem;
            color: rgba(198, 210, 220, 0.65);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom a {
            color: rgba(198, 210, 220, 0.7);
            text-decoration: none;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* Bento / card variations */
        .card-row-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .card-row-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }

        .badge-hupu {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 4px;
            padding: 0.2rem 0.55rem;
        }

        .badge-accent-hupu {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border-radius: 4px;
            padding: 0.2rem 0.55rem;
        }

        /* Review bubbles */
        .review-bubble {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
        }

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

        .review-bubble .review-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
            position: relative;
            padding-left: 0.5rem;
        }

        .review-bubble .review-text::before {
            content: '\201C';
            font-size: 2rem;
            color: var(--primary-light);
            position: absolute;
            left: -0.2rem;
            top: -0.5rem;
            font-weight: 700;
        }

        .review-bubble .review-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .review-bubble .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .review-bubble .review-name {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .review-bubble .review-role {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* Hot list */
        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 0.85rem 1rem;
            transition: var(--transition-base);
        }

        .hot-list-item:hover {
            border-color: var(--primary);
            background: var(--bg-section);
        }

        .hot-list-item .hot-rank {
            flex: 0 0 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-sm);
        }

        .hot-list-item .hot-rank.rank-top {
            color: var(--accent);
            background: var(--accent-soft);
        }

        .hot-list-item .hot-title {
            flex: 1;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hot-list-item .hot-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: block;
            font-weight: 400;
        }

        .hot-list-item .hot-score {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* Deep content */
        .deep-content {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 2.25rem;
            box-shadow: var(--shadow-card);
        }

        .deep-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.2px;
        }

        .deep-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 1.5rem 0 0.75rem;
        }

        .deep-content p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .hero-data h1 { font-size: 2.3rem; }
            .mega-panel { width: 640px; grid-template-columns: 1fr 1fr; }
            .mega-panel .mega-card-mini { display: none; }
        }

        @media (max-width: 991px) {
            .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
            .hero-data { padding: 3rem 0 2.5rem; }
            .hero-data h1 { font-size: 2rem; }
            .service-matrix { grid-template-columns: 1fr; }
            .service-matrix .service-main { grid-row: auto; }
            .service-matrix .service-wide { grid-column: span 1; }
            .card-row-3 { grid-template-columns: repeat(2, 1fr); }
            .navbar-hupu .nav-link { padding: 0.45rem 0.7rem; font-size: 0.8rem; }
            .mega-panel { width: 100%; position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 1rem 0; display: none; }
            .nav-mega-trigger.open .mega-panel { display: grid; }
        }

        @media (max-width: 767px) {
            .navbar-hupu { flex-wrap: wrap; gap: 0.75rem; }
            .navbar-toggler-hupu { display: block; }
            .navbar-nav-custom { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 0.25rem; padding: 0.75rem 0; }
            .navbar-nav-custom.open { display: flex; }
            .navbar-hupu .nav-link { width: 100%; padding: 0.6rem 0.75rem; }
            .nav-mega-trigger { width: 100%; }
            .nav-mega-trigger .btn-mega { width: 100%; justify-content: space-between; }
            .mega-panel { grid-template-columns: 1fr; gap: 0.75rem; }
            .hero-data h1 { font-size: 1.7rem; }
            .hero-subtitle { font-size: 0.95rem; }
            .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
            .card-row-3, .card-row-2 { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; gap: 0.75rem; }
            .news-item .news-date { flex: 0 0 auto; }
            .news-thumb { flex: 0 0 auto; width: 100%; height: 160px; }
            .section-hupu { padding: 2.75rem 0; }
            .form-card { padding: 1.5rem; }
            .site-footer .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
            .review-bubble { padding: 1.25rem; }
        }

        @media (max-width: 575px) {
            .hero-data { padding: 2.25rem 0 2rem; }
            .hero-data h1 { font-size: 1.5rem; }
            .hero-cta-group { flex-direction: column; }
            .hero-cta-group .btn { width: 100%; justify-content: center; }
            .dashboard-grid { grid-template-columns: 1fr; }
            .section-hupu .section-header h2 { font-size: 1.45rem; }
            .card-hupu { padding: 1.35rem; }
            .deep-content { padding: 1.5rem; }
            .hot-list-item { flex-wrap: wrap; gap: 0.5rem; }
            .hot-list-item .hot-title { flex-basis: 100%; }
        }

        @media (min-width: 992px) {
            .navbar-nav-custom { display: flex !important; }
            .mega-panel { display: grid; }
        }

/* roulang page: category2 */
:root {
      --primary: #0F75A8;
      --primary-dark: #0B5E8A;
      --primary-light: #E8F4FA;
      --accent: #E4572E;
      --accent-dark: #C9431F;
      --accent-soft: #FEF3EE;
      --gold: #F2A03D;
      --bg-base: #F6FAFD;
      --bg-section: #F4F8FB;
      --card-bg: #FFFFFF;
      --card-bg-tint: #F0F7FC;
      --text-primary: #1A2B3C;
      --text-secondary: #526474;
      --text-muted: #7B8C9B;
      --border-light: #DDE7EE;
      --border-lighter: #EAF1F6;
      --footer-bg: #1E2D3D;
      --footer-text: #C6D2DC;
      --radius-lg: 12px;
      --radius-md: 8px;
      --radius-sm: 6px;
      --radius-xs: 4px;
      --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
      --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
      --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
      --transition-base: all 0.25s ease;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --bs-primary: #0F75A8;
      --bs-link-color: #0F75A8;
      --bs-border-radius: 8px;
      --bs-btn-border-radius: 6px;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-base);
      color: var(--text-primary);
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition-base);
    }
    a:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      max-width: 1240px;
    }

    /* Header / Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1040;
      background: rgba(255, 255, 255, 0.97);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: var(--shadow-nav);
    }
    .navbar-hupu {
      padding: 0.65rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      flex-wrap: nowrap;
    }
    .navbar-hupu .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.25px;
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
    }
    .navbar-hupu .brand-logo:hover {
      text-decoration: none;
      color: var(--primary);
    }
    .brand-logo .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #fff;
      border-radius: var(--radius-md);
      font-size: 1rem;
      font-weight: 700;
    }
    .brand-logo .logo-text {
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: 0.5px;
    }
    .brand-logo .logo-sub {
      font-size: 0.7rem;
      font-weight: 400;
      color: var(--text-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    .navbar-nav-custom {
      display: flex;
      align-items: center;
      gap: 0.15rem;
      list-style: none;
      margin: 0;
      padding: 0;
      flex-wrap: nowrap;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
    }
    .navbar-nav-custom::-webkit-scrollbar {
      display: none;
    }
    .navbar-hupu .nav-item {
      position: relative;
      white-space: nowrap;
    }
    .navbar-hupu .nav-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-secondary);
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-sm);
      transition: var(--transition-base);
      display: block;
      letter-spacing: 0.2px;
      text-decoration: none;
      position: relative;
    }
    .navbar-hupu .nav-link:hover {
      color: var(--primary);
      background: var(--primary-light);
      text-decoration: none;
    }
    .navbar-hupu .nav-link.active {
      color: var(--primary);
      background: var(--primary-light);
    }
    .navbar-hupu .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0.9rem;
      right: 0.9rem;
      height: 2px;
      background: var(--primary);
      border-radius: 2px 2px 0 0;
    }
    .navbar-toggler-hupu {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      color: var(--text-primary);
      padding: 0.4rem 0.7rem;
      font-size: 1.1rem;
      transition: var(--transition-base);
      display: none;
    }
    .navbar-toggler-hupu:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary);
    }
    .nav-mega-trigger {
      position: relative;
    }
    .nav-mega-trigger .btn-mega {
      background: transparent;
      border: none;
      color: var(--text-secondary);
      font-size: 0.875rem;
      font-weight: 600;
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-sm);
      transition: var(--transition-base);
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      cursor: pointer;
    }
    .nav-mega-trigger .btn-mega:hover {
      color: var(--primary);
      background: var(--primary-light);
    }
    .mega-panel {
      position: absolute;
      right: 0;
      top: calc(100% + 0.6rem);
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card-hover);
      padding: 1rem;
      width: 680px;
      max-width: 90vw;
      display: none;
      z-index: 1100;
    }
    .mega-panel.show {
      display: block;
    }
    .mega-title {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      color: var(--text-muted);
      text-transform: uppercase;
      margin-bottom: 0.6rem;
    }
    .mega-link {
      display: block;
      padding: 0.4rem 0.5rem;
      border-radius: var(--radius-sm);
      color: var(--text-secondary);
      font-size: 0.9rem;
      text-decoration: none;
    }
    .mega-link:hover {
      background: var(--primary-light);
      color: var(--primary);
      text-decoration: none;
    }
    .mega-card {
      display: flex;
      gap: 0.75rem;
      align-items: center;
      background: var(--bg-section);
      border-radius: var(--radius-md);
      padding: 0.6rem;
      text-decoration: none;
      color: var(--text-primary);
      transition: var(--transition-base);
    }
    .mega-card:hover {
      background: var(--primary-light);
      color: var(--primary-dark);
      text-decoration: none;
    }
    .mega-card img {
      width: 60px;
      height: 44px;
      object-fit: cover;
      border-radius: var(--radius-xs);
    }
    .mega-card .mega-card-title {
      font-size: 0.85rem;
      font-weight: 700;
    }
    .mega-card .mega-card-sub {
      font-size: 0.7rem;
      color: var(--text-muted);
    }

    /* Mobile Nav */
    .mobile-nav-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.3);
      z-index: 1050;
    }
    .mobile-nav-overlay.show {
      display: block;
    }
    .mobile-nav {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 280px;
      background: #fff;
      z-index: 1060;
      padding: 1rem;
      transform: translateX(-100%);
      transition: transform 0.3s ease;
      overflow-y: auto;
    }
    .mobile-nav.show {
      transform: translateX(0);
    }
    .mobile-nav .close-btn {
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-secondary);
      cursor: pointer;
      padding: 0.5rem;
    }
    .mobile-nav .nav-link {
      padding: 0.6rem 0.8rem;
      border-radius: var(--radius-sm);
      display: block;
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 600;
    }
    .mobile-nav .nav-link.active,
    .mobile-nav .nav-link:hover {
      background: var(--primary-light);
      color: var(--primary);
      text-decoration: none;
    }

    /* Hero */
    .category-hero {
      background-image: linear-gradient(to right, rgba(244, 248, 251, 0.97), rgba(232, 244, 250, 0.92)), url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      padding: 2.5rem 0;
      border-bottom: 1px solid var(--border-light);
    }
    .hero-breadcrumb {
      margin-bottom: 0.75rem;
    }
    .hero-breadcrumb .breadcrumb {
      margin: 0;
      background: transparent;
      font-size: 0.85rem;
    }
    .hero-breadcrumb .breadcrumb-item a {
      color: var(--primary);
      text-decoration: none;
    }
    .hero-breadcrumb .breadcrumb-item.active {
      color: var(--text-muted);
    }
    .category-hero h1 {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 0.75rem;
      color: var(--text-primary);
    }
    .hero-lead {
      font-size: 1rem;
      color: var(--text-secondary);
      max-width: 720px;
      line-height: 1.7;
    }

    /* Main layout */
    .content-wrap {
      padding: 2.5rem 0 4rem;
    }
    .sidebar-widget {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      padding: 1.25rem;
      margin-bottom: 1.5rem;
    }
    .widget-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1rem;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }
    .widget-title i {
      color: var(--primary);
    }
    .hot-card {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      background: var(--bg-section);
      border-radius: var(--radius-md);
      padding: 0.65rem;
      margin-bottom: 0.75rem;
      text-decoration: none;
      color: var(--text-primary);
      transition: var(--transition-base);
    }
    .hot-card:hover {
      background: var(--primary-light);
      text-decoration: none;
    }
    .hot-card img {
      width: 70px;
      height: 52px;
      object-fit: cover;
      border-radius: var(--radius-xs);
    }
    .hot-card .hot-title {
      font-size: 0.9rem;
      font-weight: 700;
      line-height: 1.3;
    }
    .hot-card .hot-meta {
      font-size: 0.7rem;
      color: var(--text-muted);
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
    }
    .tag-cloud .tag {
      background: var(--bg-section);
      border: 1px solid var(--border-light);
      border-radius: 20px;
      padding: 0.25rem 0.75rem;
      font-size: 0.75rem;
      color: var(--text-secondary);
      text-decoration: none;
      transition: var(--transition-base);
    }
    .tag-cloud .tag:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary);
      text-decoration: none;
    }

    /* Ranking list */
    .ranking-list {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }
    .ranking-list .list-header {
      background: var(--primary);
      color: #fff;
      padding: 1rem 1.5rem;
      font-weight: 700;
      font-size: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .ranking-item {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 1rem;
      padding: 1rem 1.5rem;
      border-bottom: 1px solid var(--border-lighter);
      transition: background 0.2s;
    }
    .ranking-item:last-child {
      border-bottom: none;
    }
    .ranking-item:hover {
      background: var(--bg-section);
    }
    .rank-badge {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .rank-content {
      flex: 1;
      min-width: 200px;
    }
    .rank-title {
      font-weight: 700;
      color: var(--text-primary);
      font-size: 0.95rem;
      margin-bottom: 0.2rem;
    }
    .rank-desc {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }
    .rank-metric {
      text-align: right;
      min-width: 100px;
    }
    .heat-value {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--primary);
    }
    .heat-change {
      font-size: 0.8rem;
      font-weight: 600;
    }
    .heat-change.up {
      color: #2e9e5b;
    }
    .heat-change.down {
      color: var(--accent);
    }
    .heat-bar {
      height: 6px;
      background: #e9f0f5;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 0.3rem;
    }
    .heat-bar .bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary) 0%, var(--gold) 100%);
      border-radius: 4px;
    }
    .date-badge {
      font-size: 0.75rem;
      color: var(--text-muted);
      white-space: nowrap;
    }

    /* CTA strip */
    .cta-section {
      background: var(--primary-dark);
      border-radius: var(--radius-lg);
      padding: 2rem;
      color: #fff;
      margin-top: 2.5rem;
    }
    .cta-section h2 {
      font-weight: 800;
      margin-bottom: 0.5rem;
    }
    .cta-section p {
      color: rgba(255,255,255,0.85);
      margin-bottom: 1.5rem;
    }
    .cta-form .form-control,
    .cta-form .form-select {
      background: rgba(255,255,255,0.95);
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: var(--radius-sm);
      height: 44px;
      font-size: 0.9rem;
    }
    .cta-form .btn-cta {
      background: var(--accent);
      border: none;
      color: #fff;
      font-weight: 700;
      border-radius: var(--radius-sm);
      height: 44px;
      padding: 0 1.5rem;
      transition: var(--transition-base);
    }
    .cta-form .btn-cta:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
    }
    .privacy-note {
      font-size: 0.75rem;
      color: rgba(255,255,255,0.7);
      margin-top: 0.75rem;
    }

    /* Footer */
    .site-footer {
      background: var(--footer-bg);
      color: var(--footer-text);
      padding: 3rem 0 1.5rem;
      margin-top: 3rem;
    }
    .site-footer .footer-brand {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 0.75rem;
    }
    .site-footer .footer-desc {
      font-size: 0.9rem;
      line-height: 1.7;
      color: var(--footer-text);
    }
    .site-footer .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .site-footer .footer-links li {
      margin-bottom: 0.4rem;
    }
    .site-footer .footer-links a {
      color: var(--footer-text);
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition-base);
    }
    .site-footer .footer-links a:hover {
      color: #fff;
      text-decoration: underline;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      margin-top: 2rem;
      padding-top: 1.25rem;
      font-size: 0.8rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.75rem;
    }
    .footer-bottom a {
      color: var(--footer-text);
      text-decoration: none;
    }
    .footer-bottom a:hover {
      color: #fff;
      text-decoration: underline;
    }

    /* Bootstrap overrides */
    .breadcrumb {
      --bs-breadcrumb-divider-color: var(--text-muted);
    }
    .btn-primary {
      --bs-btn-bg: var(--primary);
      --bs-btn-border-color: var(--primary);
      --bs-btn-hover-bg: var(--primary-dark);
      --bs-btn-hover-border-color: var(--primary-dark);
      --bs-btn-active-bg: var(--primary-dark);
      --bs-btn-active-border-color: var(--primary-dark);
      --bs-btn-focus-shadow-rgb: 15,117,168;
      border-radius: var(--radius-sm);
    }
    .btn-outline-primary {
      --bs-btn-color: var(--primary);
      --bs-btn-border-color: var(--primary);
      --bs-btn-hover-bg: var(--primary-light);
      --bs-btn-hover-border-color: var(--primary);
      --bs-btn-active-bg: var(--primary-light);
      --bs-btn-active-border-color: var(--primary);
      border-radius: var(--radius-sm);
    }
    .card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-card);
    }

    @media (max-width: 991.98px) {
      .navbar-hupu .navbar-nav-custom {
        display: none;
      }
      .navbar-toggler-hupu {
        display: inline-block;
      }
      .nav-mega-trigger {
        display: none;
      }
      .ranking-item {
        flex-wrap: wrap;
      }
      .rank-metric {
        text-align: left;
        min-width: auto;
        margin-left: 52px;
      }
      .category-hero h1 {
        font-size: 1.6rem;
      }
      .content-wrap .row > [class*="col-"] {
        margin-bottom: 1.5rem;
      }
    }
    @media (max-width: 575.98px) {
      .category-hero {
        padding: 2rem 0;
      }
      .category-hero h1 {
        font-size: 1.4rem;
      }
      .hero-lead {
        font-size: 0.9rem;
      }
      .rank-badge {
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
      }
      .ranking-item {
        padding: 0.9rem 1rem;
      }
      .rank-metric {
        margin-left: 46px;
      }
      .cta-section {
        padding: 1.5rem;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

/* roulang page: category1 */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }

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

        .container {
            max-width: 1240px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }

        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .navbar-hupu .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }

        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: block;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.1rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }

        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }
        .navbar-hupu .nav-link {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.85rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }
        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .navbar-hupu .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.85rem;
            right: 0.85rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger .btn-mega {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            padding: 0.5rem 0.85rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.35rem;
            cursor: pointer;
            letter-spacing: 0.2px;
        }
        .nav-mega-trigger .btn-mega:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-mega-trigger .btn-mega i {
            transition: transform 0.25s ease;
            font-size: 0.7rem;
        }
        .nav-mega-trigger .btn-mega.open i {
            transform: rotate(180deg);
        }

        .mega-panel {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 680px;
            max-width: 90vw;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card-hover);
            padding: 1.25rem;
            z-index: 1050;
        }
        .mega-panel.show {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1rem;
            animation: megaFadeIn 0.2s ease;
        }
        @keyframes megaFadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mega-title {
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 0.5rem;
        }
        .mega-link {
            display: block;
            padding: 0.35rem 0;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-link:hover {
            color: var(--primary);
            text-decoration: none;
            padding-left: 0.4rem;
        }
        .mega-card {
            background: var(--card-bg-tint);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-decoration: none;
            display: block;
        }
        .mega-card:hover {
            text-decoration: none;
            box-shadow: var(--shadow-card);
        }
        .mega-card img {
            width: 100%;
            height: 80px;
            object-fit: cover;
        }
        .mega-card .mega-card-body {
            padding: 0.6rem 0.8rem;
        }
        .mega-card .mega-card-body span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            line-height: 1.4;
        }

        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.1rem;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .navbar-toggler-hupu:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* Mobile Nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(26, 43, 60, 0.45);
            z-index: 1055;
        }
        .mobile-nav-overlay.show {
            display: block;
        }
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1060;
            transition: right 0.3s ease;
            padding: 1.5rem 1.25rem;
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            right: 0;
        }
        .mobile-nav-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
        }
        .mobile-nav-drawer .drawer-header button {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            width: 38px;
            height: 38px;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .mobile-nav-drawer .drawer-header button:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-nav-drawer .m-nav-link {
            display: block;
            padding: 0.7rem 0.8rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
            font-size: 0.9rem;
        }
        .mobile-nav-drawer .m-nav-link:hover,
        .mobile-nav-drawer .m-nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }

        /* Breadcrumb */
        .breadcrumb-hupu {
            background: transparent;
            padding: 1rem 0 0.5rem;
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-hupu .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider-color: var(--text-muted);
        }
        .breadcrumb-hupu .breadcrumb-item a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-hupu .breadcrumb-item a:hover {
            text-decoration: underline;
        }
        .breadcrumb-hupu .breadcrumb-item.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(135deg, rgba(15, 117, 168, 0.88) 0%, rgba(11, 94, 138, 0.92) 55%, rgba(26, 43, 60, 0.95) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 2.25rem 2.5rem;
            color: #fff;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(242, 160, 61, 0.25) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 680px;
        }
        .category-hero h1 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 0.6rem;
            color: #fff;
            line-height: 1.35;
        }
        .category-hero .hero-intro {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 620px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 1.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .category-hero .hero-stats i {
            color: var(--gold);
        }

        /* Section Base */
        .section-block {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.2px;
            margin-bottom: 0.75rem;
        }
        .section-subtitle {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 1.25rem;
            line-height: 1.7;
        }

        /* List Cards */
        .rank-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1rem 1.25rem;
            margin-bottom: 0.75rem;
            transition: var(--transition-base);
        }
        .rank-list-item:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .rank-list-item .rank-number {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .rank-list-item .rank-number.top-1 {
            background: var(--gold);
            color: #fff;
        }
        .rank-list-item .rank-number.top-2 {
            background: #B0C4D9;
            color: #fff;
        }
        .rank-list-item .rank-number.top-3 {
            background: #D9A05B;
            color: #fff;
        }
        .rank-list-item .rank-body {
            flex: 1;
            min-width: 0;
        }
        .rank-list-item .rank-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
            line-height: 1.45;
        }
        .rank-list-item .rank-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.4rem;
        }
        .rank-list-item .rank-meta {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .rank-list-item .rank-meta i {
            color: var(--primary);
            margin-right: 0.25rem;
        }
        .rank-list-item .heat-badge {
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.25rem 0.6rem;
            border-radius: 999px;
            background: var(--accent-soft);
            color: var(--accent);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .rank-list-item .heat-badge.hot {
            background: var(--accent);
            color: #fff;
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            margin-bottom: 1.25rem;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card .sidebar-title {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.9rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--primary-light);
        }
        .sidebar-card .sidebar-item {
            display: flex;
            gap: 0.7rem;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-lighter);
            align-items: center;
        }
        .sidebar-card .sidebar-item:last-child {
            border-bottom: none;
        }
        .sidebar-card .sidebar-item img {
            width: 58px;
            height: 48px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .sidebar-card .sidebar-item .si-text {
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            text-decoration: none;
            display: block;
        }
        .sidebar-card .sidebar-item .si-text:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .sidebar-card .sidebar-item .si-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.45rem;
        }
        .sidebar-card .tag-cloud a {
            font-size: 0.78rem;
            padding: 0.28rem 0.65rem;
            border-radius: 999px;
            background: var(--card-bg-tint);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .sidebar-card .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            text-decoration: none;
        }

        /* Comparison Table */
        .compare-table-wrap {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
            overflow-x: auto;
        }
        .compare-table-wrap .table {
            margin-bottom: 0;
            min-width: 640px;
            font-size: 0.9rem;
        }
        .compare-table-wrap .table thead th {
            font-weight: 700;
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            color: var(--text-secondary);
            border-bottom: 2px solid var(--border-light);
            background: var(--card-bg-tint);
            padding: 0.75rem 0.9rem;
            white-space: nowrap;
        }
        .compare-table-wrap .table tbody td {
            padding: 0.8rem 0.9rem;
            border-bottom: 1px solid var(--border-lighter);
            vertical-align: middle;
            color: var(--text-primary);
        }
        .compare-table-wrap .table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-bar {
            height: 8px;
            background: var(--border-lighter);
            border-radius: 4px;
            min-width: 100px;
            overflow: hidden;
        }
        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
            transition: width 0.5s ease;
        }
        .compare-bar .bar-fill.accent-fill {
            background: var(--accent);
        }
        .change-up {
            color: #1A9E6B;
            font-weight: 700;
            white-space: nowrap;
        }
        .change-down {
            color: #D94A3A;
            font-weight: 700;
            white-space: nowrap;
        }

        /* Deep Content */
        .deep-content-box {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.75rem 2rem;
            box-shadow: var(--shadow-card);
        }
        .deep-content-box h2 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }
        .deep-content-box h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-top: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        .deep-content-box p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0.9rem;
        }

        /* FAQ */
        .accordion-hupu {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .accordion-hupu .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-lighter);
            background: transparent;
        }
        .accordion-hupu .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-hupu .accordion-button {
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--text-primary);
            background: var(--card-bg);
            padding: 1.1rem 1.5rem;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .accordion-hupu .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            margin-left: auto;
            width: auto;
            height: auto;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .accordion-hupu .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .accordion-hupu .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(15, 117, 168, 0.2);
            outline: none;
        }
        .accordion-hupu .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-hupu .accordion-button .faq-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .accordion-hupu .accordion-button:not(.collapsed) .faq-num {
            background: var(--primary);
            color: #fff;
        }
        .accordion-hupu .accordion-body {
            padding: 0.9rem 1.5rem 1.25rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #0A4D70 100%);
            border-radius: var(--radius-lg);
            padding: 2rem 2.5rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .cta-banner .cta-text h2 {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-banner .cta-text p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }
        .btn-cta {
            background: var(--accent);
            border: none;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(228, 87, 46, 0.3);
        }
        .btn-outline-hupu {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .btn-outline-hupu:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 3.5rem;
            border-top: 4px solid var(--primary);
        }
        .site-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .site-footer .footer-desc {
            font-size: 0.86rem;
            color: var(--footer-text);
            line-height: 1.8;
            max-width: 400px;
        }
        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .site-footer .footer-links a {
            font-size: 0.85rem;
            color: var(--footer-text);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 0.3rem;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2rem;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .navbar-hupu .nav-link {
                font-size: 0.8rem;
                padding: 0.45rem 0.7rem;
            }
            .category-hero h1 {
                font-size: 1.55rem;
            }
        }

        @media (max-width: 991px) {
            .navbar-toggler-hupu {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
            .nav-mega-trigger {
                display: none;
            }
            .category-hero {
                padding: 1.75rem 1.5rem;
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .category-hero .hero-intro {
                font-size: 0.9rem;
            }
            .section-block {
                margin-bottom: 2.25rem;
            }
            .deep-content-box {
                padding: 1.25rem 1.5rem;
            }
            .cta-banner {
                padding: 1.5rem 1.75rem;
            }
        }

        @media (max-width: 767px) {
            .category-hero {
                padding: 1.4rem 1.25rem;
                min-height: 180px;
                border-radius: var(--radius-md);
            }
            .category-hero h1 {
                font-size: 1.25rem;
                letter-spacing: -0.1px;
            }
            .category-hero .hero-intro {
                font-size: 0.84rem;
                line-height: 1.65;
            }
            .category-hero .hero-stats {
                gap: 0.8rem;
                font-size: 0.78rem;
            }
            .rank-list-item {
                padding: 0.8rem 0.9rem;
                gap: 0.7rem;
            }
            .rank-list-item .rank-number {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .rank-list-item .rank-title {
                font-size: 0.88rem;
            }
            .rank-list-item .rank-desc {
                font-size: 0.8rem;
            }
            .compare-table-wrap {
                padding: 1rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
            .deep-content-box {
                padding: 1rem 1.15rem;
            }
            .deep-content-box h2 {
                font-size: 1.05rem;
            }
            .deep-content-box p {
                font-size: 0.85rem;
            }
            .accordion-hupu .accordion-button {
                font-size: 0.85rem;
                padding: 0.9rem 1rem;
            }
            .accordion-hupu .accordion-body {
                padding: 0.7rem 1rem 1rem;
                font-size: 0.83rem;
            }
            .cta-banner {
                padding: 1.25rem 1.25rem;
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 2rem 0 1rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        @media (max-width: 575px) {
            body {
                font-size: 14px;
            }
            .category-hero {
                padding: 1.15rem 1rem;
                min-height: 160px;
            }
            .category-hero h1 {
                font-size: 1.15rem;
                line-height: 1.4;
            }
            .category-hero .hero-intro {
                font-size: 0.8rem;
            }
            .rank-list-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .rank-list-item .heat-badge {
                align-self: flex-start;
            }
            .section-title {
                font-size: 1.15rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1240px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .navbar-hupu .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }
        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }
        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }
        .navbar-hupu .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }
        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .navbar-hupu .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.9rem;
            right: 0.9rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .btn-mega {
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-mega:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-mega i {
            transition: transform 0.25s ease;
        }
        .btn-mega.open i {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 700px;
            max-width: 90vw;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 1.5rem;
            display: none;
            z-index: 1050;
            grid-template-columns: 1fr 1fr 1.2fr;
            gap: 1rem;
        }
        .mega-panel.show {
            display: grid;
        }
        .mega-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.3px;
        }
        .mega-link {
            display: block;
            padding: 0.4rem 0.5rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-link:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .mega-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .mega-tag {
            background: var(--card-bg-tint);
            color: var(--primary);
            padding: 0.3rem 0.6rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-tag:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .mega-card {
            background: var(--bg-section);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .mega-card img {
            width: 100%;
            height: 90px;
            object-fit: cover;
        }
        .mega-card-body {
            padding: 0.75rem;
        }
        .mega-card-body a {
            font-weight: 700;
            font-size: 0.875rem;
            color: var(--text-primary);
            text-decoration: none;
        }
        .mega-card-body a:hover {
            color: var(--primary);
        }
        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            font-size: 1.25rem;
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        @media (max-width: 991.98px) {
            .navbar-toggler-hupu {
                display: inline-block;
            }
            .navbar-nav-custom {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem;
                gap: 0.5rem;
                overflow-y: auto;
                z-index: 1030;
                box-shadow: var(--shadow-card);
            }
            .navbar-nav-custom.open {
                display: flex;
            }
            .navbar-hupu .nav-item {
                width: 100%;
            }
            .navbar-hupu .nav-link {
                padding: 0.75rem 1rem;
                width: 100%;
            }
            .nav-mega-trigger .btn-mega {
                width: 100%;
                justify-content: space-between;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                box-shadow: none;
                border: none;
                padding: 1rem 0.5rem;
                grid-template-columns: 1fr;
                display: none;
            }
            .mega-panel.show {
                display: grid;
            }
            .mega-card img {
                height: 120px;
            }
        }
        /* Breadcrumb */
        .breadcrumb-hupu {
            background: transparent;
            padding: 1rem 0;
            margin-bottom: 0;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .breadcrumb-hupu .breadcrumb {
            margin: 0;
            padding: 0;
        }
        .breadcrumb-hupu .breadcrumb-item {
            display: flex;
            align-items: center;
        }
        .breadcrumb-hupu .breadcrumb-item a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .breadcrumb-hupu .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-hupu .breadcrumb-item.active {
            color: var(--primary);
        }
        .breadcrumb-item+.breadcrumb-item::before {
            content: "›";
            color: var(--text-muted);
            padding: 0 0.5rem;
        }
        /* Category Hero */
        .category-hero {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 3rem 0;
            min-height: 240px;
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 117, 168, 0.85) 0%, rgba(11, 94, 138, 0.7) 100%);
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 760px;
        }
        .category-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.3px;
        }
        .category-hero .hero-sub {
            font-size: 1rem;
            line-height: 1.8;
            color: rgba(255,255,255,0.92);
            margin-bottom: 0;
        }
        @media (max-width: 575.98px) {
            .category-hero {
                min-height: 220px;
                padding: 2rem 0;
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
        }
        /* Main Layout */
        .main-wrapper {
            padding: 0 0 3rem 0;
        }
        .player-list-container .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.2px;
        }
        .player-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1rem 1.25rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: var(--transition-base);
        }
        .player-card:hover {
            border-color: #cfe0eb;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .player-rank {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--card-bg-tint);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .player-rank.rank-1 {
            background: #FFF5E6;
            color: #E4572E;
        }
        .player-rank.rank-2 {
            background: #F0F7FC;
            color: #0F75A8;
        }
        .player-rank.rank-3 {
            background: #F6EBF7;
            color: #8E5B9F;
        }
        .player-info {
            flex: 1;
            min-width: 0;
        }
        .player-info .player-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }
        .player-info .player-summary {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .heat-bar-wrapper {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }
        .heat-bar {
            flex: 1;
            height: 8px;
            background: var(--border-lighter);
            border-radius: 4px;
            overflow: hidden;
        }
        .heat-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary) 0%, #4A9BC7 100%);
            border-radius: 4px;
            transition: width 0.6s ease;
        }
        .heat-bar-fill.high {
            background: linear-gradient(90deg, var(--accent) 0%, #F2A03D 100%);
        }
        .player-meta {
            text-align: right;
            flex-shrink: 0;
            min-width: 90px;
        }
        .player-heat-value {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent);
        }
        .player-change {
            font-size: 0.75rem;
            font-weight: 600;
            color: #2E8B57;
        }
        .player-change.down {
            color: #C0392B;
        }
        .player-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }
        @media (max-width: 575.98px) {
            .player-card {
                flex-wrap: wrap;
                padding: 1rem;
            }
            .player-rank {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .player-meta {
                width: 100%;
                text-align: left;
                display: flex;
                align-items: center;
                justify-content: space-between;
                margin-top: 0.75rem;
            }
        }
        /* Sidebar */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1.25rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .sidebar-card .card-title i {
            color: var(--primary);
            margin-right: 0.4rem;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-cloud a {
            background: var(--card-bg-tint);
            color: var(--primary);
            padding: 0.4rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            border-color: var(--primary);
        }
        .side-news-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-lighter);
        }
        .side-news-item:last-child {
            border-bottom: none;
        }
        .side-news-item img {
            width: 64px;
            height: 48px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .side-news-item .side-news-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            text-decoration: none;
        }
        .side-news-item .side-news-title:hover {
            color: var(--primary);
        }
        .side-news-item .side-news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }
        /* CTA Strip */
        .cta-strip {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 2rem;
            color: #fff;
            margin-top: 2rem;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
        }
        .cta-strip h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-strip p {
            color: rgba(255,255,255,0.9);
            margin-bottom: 1.25rem;
            font-size: 0.95rem;
        }
        .cta-form .form-control {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            color: #fff;
            border-radius: var(--radius-sm);
            height: 44px;
        }
        .cta-form .form-control::placeholder {
            color: rgba(255,255,255,0.7);
        }
        .cta-form .form-control:focus {
            background: rgba(255,255,255,0.2);
            border-color: #fff;
            box-shadow: none;
        }
        .cta-form .btn-subscribe {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            height: 44px;
            font-weight: 600;
            padding: 0 1.5rem;
            transition: var(--transition-base);
        }
        .cta-form .btn-subscribe:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
        }
        .cta-note {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.7);
            margin-top: 0.5rem;
            margin-bottom: 0;
        }
        @media (max-width: 575.98px) {
            .cta-strip {
                padding: 1.5rem;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 2.5rem 0 1rem;
            margin-top: 3rem;
        }
        .site-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #B6C4CF;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .site-footer .footer-links a {
            color: #C6D2DC;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 1.5rem;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #9FB1BE;
        }
        .footer-bottom a {
            color: #CBD7E0;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        @media (max-width: 575.98px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* Bootstrap overrides */
        .btn-primary {
            --bs-btn-bg: #0F75A8;
            --bs-btn-border-color: #0F75A8;
            --bs-btn-hover-bg: #0B5E8A;
            --bs-btn-hover-border-color: #0B5E8A;
            --bs-btn-active-bg: #0B5E8A;
            --bs-btn-active-border-color: #0B5E8A;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-light);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.15);
        }

/* roulang page: category4 */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1240px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .navbar-hupu .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }
        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }
        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }
        .navbar-hupu .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }
        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .navbar-hupu .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.9rem;
            right: 0.9rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger .btn-mega {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-light);
            padding: 0.45rem 0.95rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-mega-trigger .btn-mega:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .nav-mega-trigger .btn-mega i {
            transition: transform 0.25s ease;
        }
        .nav-mega-trigger.open .btn-mega i {
            transform: rotate(180deg);
        }
        .mega-panel {
            display: none;
            position: absolute;
            right: 0;
            top: calc(100% + 10px);
            width: 720px;
            max-width: 90vw;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 40px rgba(15, 60, 90, 0.16);
            border: 1px solid var(--border-light);
            padding: 1.5rem;
            z-index: 1050;
        }
        .mega-panel.show {
            display: block;
        }
        .mega-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }
        .mega-link {
            display: block;
            padding: 0.5rem 0.35rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
            padding-left: 0.6rem;
        }
        .mega-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .mega-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.75rem;
            margin: 0.2rem 0.2rem 0.2rem 0;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-tag:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .mega-card {
            display: block;
            text-decoration: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            background: #fff;
        }
        .mega-card:hover {
            text-decoration: none;
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .mega-card img {
            width: 100%;
            height: 90px;
            object-fit: cover;
        }
        .mega-card-body {
            padding: 0.75rem;
        }
        .mega-card-body .mega-card-title {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .mega-card-body .mega-card-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            line-height: 1.4;
        }
        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.45rem 0.7rem;
            font-size: 1.2rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .navbar-toggler-hupu:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        @media (max-width: 991px) {
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.2rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-nav);
                max-height: 70vh;
                overflow-y: auto;
                z-index: 1060;
            }
            .navbar-nav-custom.show {
                display: flex;
            }
            .navbar-nav-custom .nav-item {
                width: 100%;
            }
            .navbar-hupu .nav-link {
                display: block;
                padding: 0.7rem 0.9rem;
                font-size: 0.95rem;
            }
            .navbar-toggler-hupu {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-mega-trigger {
                width: 100%;
            }
            .nav-mega-trigger .btn-mega {
                width: 100%;
                justify-content: flex-start;
                margin-top: 0.25rem;
                border: 0;
                border-top: 1px solid var(--border-lighter);
                border-radius: 0;
                padding: 0.7rem 0.9rem;
                background: transparent;
                color: var(--text-secondary);
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                box-shadow: none;
                border: 0;
                border-top: 1px solid var(--border-lighter);
                border-radius: 0;
                padding: 0.75rem 0.9rem;
            }
        }

        /* Breadcrumb */
        .breadcrumb-area {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 0.65rem 0;
            font-size: 0.825rem;
        }
        .breadcrumb-area .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .breadcrumb-area .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb-area .breadcrumb li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .breadcrumb-area .breadcrumb li a:hover {
            color: var(--primary);
        }
        .breadcrumb-area .breadcrumb li.current {
            color: var(--primary);
            font-weight: 600;
        }
        .breadcrumb-area .breadcrumb li i {
            font-size: 0.6rem;
            color: var(--text-muted);
        }

        /* Hero */
        .hero-category {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 2.8rem 0 2.4rem;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(246, 250, 253, 0.95) 0%, rgba(232, 244, 250, 0.88) 50%, rgba(15, 117, 168, 0.4) 100%);
            z-index: 0;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
        }
        .hero-category .hero-tag {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            background: var(--accent);
            color: #fff;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }
        .hero-category h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.7rem;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .hero-category .hero-lead {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .hero-category {
                padding: 2rem 0 1.8rem;
                min-height: 220px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category .hero-lead {
                font-size: 0.9rem;
            }
        }

        /* Section base */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-block .section-label {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.4rem;
        }
        .section-block .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.2px;
            margin-bottom: 0.5rem;
        }
        .section-block .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 1.8rem;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 2.5rem 0;
            }
            .section-block .section-title {
                font-size: 1.4rem;
            }
        }

        /* Card base */
        .hupu-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .hupu-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hupu-card .card-body {
            padding: 1.4rem 1.5rem;
        }
        .hupu-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.45rem;
        }
        .hupu-card .card-text {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.8rem;
        }
        .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .card-meta i {
            color: var(--primary);
        }
        .badge-custom {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-orange {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .badge-green {
            background: #E6F6EC;
            color: #1B8A4A;
        }
        .badge-gray {
            background: #F1F4F7;
            color: var(--text-muted);
        }

        /* Buttons */
        .btn-hupu-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-hupu-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(15, 117, 168, 0.3);
        }
        .btn-hupu-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-hupu-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(228, 87, 46, 0.3);
        }
        .btn-hupu-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-hupu-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            text-decoration: none;
        }
        .btn-hupu-sm {
            padding: 0.35rem 0.9rem;
            font-size: 0.78rem;
            border-radius: var(--radius-xs);
        }
        .btn-link-arrow {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 0;
        }
        .btn-link-arrow:hover {
            color: var(--primary-dark);
            text-decoration: underline;
            gap: 0.5rem;
        }

        /* Ranking table / list */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .ranking-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.2rem 1.4rem;
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            transition: var(--transition-base);
        }
        .ranking-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .ranking-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            background: var(--primary);
        }
        .ranking-num.top1 {
            background: var(--accent);
        }
        .ranking-num.top2 {
            background: var(--gold);
        }
        .ranking-num.top3 {
            background: #E8A87C;
        }
        .ranking-content {
            flex: 1;
            min-width: 0;
        }
        .ranking-content .ranking-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
        }
        .ranking-content .ranking-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0.5rem;
        }
        .ranking-stats {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .ranking-stat {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .ranking-stat .stat-value {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.9rem;
        }
        .ranking-stat .trend-up {
            color: #1B8A4A;
            font-weight: 700;
        }
        .ranking-stat .trend-down {
            color: var(--accent);
            font-weight: 700;
        }
        .ranking-change {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 700;
            font-size: 0.8rem;
        }
        .ranking-change.up {
            color: #1B8A4A;
        }
        .ranking-change.down {
            color: var(--accent);
        }
        .ranking-change.same {
            color: var(--text-muted);
        }
        @media (max-width: 576px) {
            .ranking-item {
                flex-direction: column;
                gap: 0.7rem;
                padding: 1rem;
            }
            .ranking-num {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .ranking-change {
                margin-top: 0.3rem;
            }
        }

        /* Sidebar */
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 1.4rem 1.5rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-widget .widget-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-widget .widget-title i {
            color: var(--accent);
            font-size: 0.9rem;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.65rem 0;
            border-bottom: 1px solid var(--border-lighter);
        }
        .hot-item:last-child {
            border-bottom: 0;
        }
        .hot-item .hot-thumb {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item .hot-title {
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: block;
            text-decoration: none;
        }
        .hot-item .hot-title:hover {
            color: var(--primary);
        }
        .hot-item .hot-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: var(--bg-section);
            color: var(--text-secondary);
            border-radius: 20px;
            font-size: 0.78rem;
            text-decoration: none;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }
        .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary-light);
            text-decoration: none;
        }

        /* Data bars */
        .data-bar-container {
            background: var(--bg-section);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.5rem;
            margin-bottom: 1rem;
        }
        .data-bar-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 0.8rem;
        }
        .data-bar-row:last-child {
            margin-bottom: 0;
        }
        .data-bar-label {
            flex-shrink: 0;
            width: 100px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .data-bar-track {
            flex: 1;
            height: 10px;
            background: #E8EDF2;
            border-radius: 5px;
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 0.6s ease;
        }
        .data-bar-fill.blue {
            background: linear-gradient(90deg, var(--primary) 0%, #4A9EC9 100%);
        }
        .data-bar-fill.orange {
            background: linear-gradient(90deg, var(--accent) 0%, #F08A5D 100%);
        }
        .data-bar-fill.gold {
            background: linear-gradient(90deg, #E8A200 0%, var(--gold) 100%);
        }
        .data-bar-value {
            flex-shrink: 0;
            width: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: right;
        }
        @media (max-width: 576px) {
            .data-bar-label {
                width: 70px;
                font-size: 0.75rem;
            }
            .data-bar-value {
                width: 40px;
                font-size: 0.75rem;
            }
        }

        /* FAQ Accordion */
        .accordion-hupu {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-hupu .accordion-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 0.9rem;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .accordion-hupu .accordion-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .accordion-hupu .accordion-button {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            background: #fff;
            padding: 1.1rem 1.4rem;
            border-radius: var(--radius-lg) !important;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .accordion-hupu .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .accordion-hupu .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
            border-color: var(--primary-light);
        }
        .accordion-hupu .accordion-button::after {
            display: none;
        }
        .accordion-hupu .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.7rem;
            transition: transform 0.25s ease;
        }
        .accordion-hupu .accordion-button:not(.collapsed) .faq-icon {
            transform: rotate(90deg);
            background: var(--primary);
            color: #fff;
        }
        .accordion-hupu .accordion-body {
            padding: 1.1rem 1.4rem 1.4rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border-lighter);
        }
        .accordion-hupu .faq-index {
            flex-shrink: 0;
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.5px;
        }

        /* CTA Strip */
        .cta-strip {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2.8rem;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-strip::after {
            content: '';
            position: absolute;
            right: 60px;
            bottom: -100px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(228, 87, 46, 0.25);
        }
        .cta-strip .cta-content {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }
        .cta-strip .cta-title {
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 0.4rem;
        }
        .cta-strip .cta-desc {
            font-size: 0.9rem;
            opacity: 0.85;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-strip .btn-hupu-accent {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .cta-strip {
                padding: 1.8rem 1.5rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-strip .cta-title {
                font-size: 1.1rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #1E2D3D;
            color: #C6D2DC;
            padding: 3rem 0 1.5rem;
            margin-top: 3.5rem;
        }
        .site-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.7rem;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.75;
            color: #C6D2DC;
            margin-bottom: 0;
            max-width: 400px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .site-footer .footer-links a {
            color: #C6D2DC;
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(198, 210, 220, 0.2);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: #8FA0B0;
        }
        .site-footer .footer-bottom a {
            color: #8FA0B0;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 2rem 0 1.2rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }

        /* Responsive grid helpers */
        @media (max-width: 992px) {
            .ranking-sidebar {
                margin-top: 2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }

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

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

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1240px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .navbar-hupu .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }
        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }
        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }
        .navbar-hupu .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }
        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .navbar-hupu .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.9rem;
            right: 0.9rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .btn-mega {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.45rem 1rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition-base);
        }
        .btn-mega:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-mega i {
            font-size: 0.7rem;
            transition: transform 0.25s ease;
        }
        .nav-mega-trigger.open .btn-mega i {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 0.7rem);
            right: 0;
            min-width: 620px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 1.5rem;
            display: none;
            z-index: 1060;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1.25rem;
        }
        .nav-mega-trigger.open .mega-panel {
            display: grid;
        }
        .mega-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.8rem;
        }
        .mega-link {
            display: block;
            padding: 0.4rem 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-link:hover {
            color: var(--primary);
            text-decoration: none;
            padding-left: 0.4rem;
        }
        .mega-card-entry {
            background: var(--bg-section);
            border-radius: var(--radius-md);
            padding: 0.75rem;
            display: block;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-card-entry:hover {
            background: var(--primary-light);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .mega-card-entry img {
            width: 100%;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 0.5rem;
        }
        .mega-card-entry span {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.7rem;
            font-size: 1.1rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .navbar-toggler-hupu:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* Mobile nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.show {
            opacity: 1;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: var(--card-bg);
            box-shadow: -8px 0 24px rgba(15, 60, 90, 0.12);
            z-index: 1055;
            overflow-y: auto;
            transition: right 0.3s ease;
            padding: 1.5rem 1.25rem;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-panel .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        .mobile-nav-panel .btn-close-mobile {
            background: transparent;
            border: none;
            font-size: 1.3rem;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 0.3rem;
        }
        .mobile-nav-panel .btn-close-mobile:hover {
            color: var(--accent);
        }
        .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-nav-list li {
            border-bottom: 1px solid var(--border-lighter);
        }
        .mobile-nav-list li a {
            display: block;
            padding: 0.8rem 0;
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.95rem;
            text-decoration: none;
        }
        .mobile-nav-list li a:hover,
        .mobile-nav-list li a.active {
            color: var(--primary);
        }

        /* Breadcrumb */
        .breadcrumb-hupu {
            background: transparent;
            padding: 1.25rem 0 0.5rem;
            margin: 0;
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-hupu a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-hupu a:hover {
            color: var(--primary);
        }
        .breadcrumb-hupu .separator {
            color: var(--border-light);
        }
        .breadcrumb-hupu .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Hero */
        .cat-hero {
            position: relative;
            min-height: 280px;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 2rem;
            display: flex;
            align-items: flex-end;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(246, 250, 253, 0.9) 0%, rgba(246, 250, 253, 0.65) 50%, rgba(15, 117, 168, 0.35) 100%);
            z-index: 1;
        }
        .cat-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 2rem 2rem 1.75rem;
            max-width: 720px;
        }
        .cat-hero .cat-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }
        .cat-hero h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 0.6rem;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .cat-hero .hero-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            max-width: 640px;
        }

        /* Section titles */
        .section-title-group {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .section-title-group h2 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.2px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .section-title-group h2 i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .section-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Main list area */
        .category-main-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        .rumor-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rumor-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.5rem;
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
        }
        .rumor-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .rumor-rank {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: var(--card-bg-tint);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
        }
        .rumor-card:nth-child(1) .rumor-rank {
            background: var(--accent-soft);
            color: var(--accent);
            border-color: var(--accent);
        }
        .rumor-card:nth-child(2) .rumor-rank {
            background: #FFF8E8;
            color: var(--gold);
            border-color: var(--gold);
        }
        .rumor-card:nth-child(3) .rumor-rank {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .rumor-content {
            flex: 1;
            min-width: 0;
        }
        .rumor-content .rumor-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 0.5rem;
        }
        .rumor-content .rumor-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .cred-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            padding: 0.2rem 0.75rem;
            border-radius: 20px;
            text-transform: uppercase;
        }
        .cred-badge.high {
            background: #E6F7E6;
            color: #1A7A1A;
        }
        .cred-badge.mid {
            background: #FFF8E8;
            color: #B87400;
        }
        .cred-badge.low {
            background: #F3F0F0;
            color: #7B8C9B;
        }
        .rumor-content h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.4rem;
            line-height: 1.4;
        }
        .rumor-content p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 0.5rem;
        }
        .rumor-heat {
            flex-shrink: 0;
            text-align: right;
            min-width: 80px;
        }
        .rumor-heat .heat-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
        }
        .rumor-heat .heat-label {
            font-size: 0.68rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }
        .heat-bar {
            width: 80px;
            height: 4px;
            background: var(--border-lighter);
            border-radius: 4px;
            margin-top: 0.35rem;
            overflow: hidden;
            margin-left: auto;
        }
        .heat-bar span {
            display: block;
            height: 100%;
            background: var(--accent);
            border-radius: 4px;
        }

        /* Sidebar */
        .sidebar-cat {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h3 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card h3 i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .hot-entry {
            display: flex;
            gap: 0.8rem;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-lighter);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .hot-entry:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .hot-entry:hover {
            text-decoration: none;
        }
        .hot-entry img {
            width: 64px;
            height: 48px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .hot-entry .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-entry .hot-info span {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            line-height: 1.35;
            margin-bottom: 0.2rem;
        }
        .hot-entry .hot-info small {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-cloud a {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            background: var(--bg-section);
            color: var(--text-secondary);
            border-radius: 20px;
            border: 1px solid var(--border-light);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .tag-cloud a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            text-decoration: none;
        }
        .quick-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .quick-nav-list li {
            border-bottom: 1px solid var(--border-lighter);
        }
        .quick-nav-list li:last-child {
            border-bottom: none;
        }
        .quick-nav-list li a {
            display: block;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .quick-nav-list li a:hover {
            color: var(--primary);
            padding-left: 0.5rem;
            text-decoration: none;
        }

        /* Credibility explainer */
        .cred-section {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow-card);
        }
        .cred-section h2 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .cred-section h2 i {
            color: var(--accent);
        }
        .cred-section p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 1rem;
        }
        .cred-levels {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 1rem;
        }
        .cred-level-item {
            background: var(--bg-section);
            border-radius: var(--radius-md);
            padding: 1rem;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .cred-level-item .level-name {
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .cred-level-item .level-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .level-high .level-name { color: #1A7A1A; }
        .level-mid .level-name { color: #B87400; }
        .level-low .level-name { color: #7B8C9B; }

        /* Bottom CTA */
        .bottom-cta {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        .bottom-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .bottom-cta .cta-text h2 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
        }
        .bottom-cta .cta-text p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .btn-cta-primary {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.7rem 2rem;
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-cta-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(228, 87, 46, 0.3);
        }
        .btn-cta-outline {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 0.65rem 1.8rem;
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.3px;
            margin-left: 0.5rem;
        }
        .btn-cta-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            text-decoration: none;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 1rem;
        }
        .site-footer .footer-brand {
            font-size: 1rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: var(--footer-text);
            max-width: 420px;
        }
        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.45rem;
        }
        .site-footer .footer-links a {
            color: var(--footer-text);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: none;
            padding-left: 0.3rem;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2rem;
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.75rem;
            color: rgba(198, 210, 220, 0.7);
            justify-content: space-between;
        }
        .site-footer .footer-bottom a {
            color: rgba(198, 210, 220, 0.7);
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-nav-custom {
                display: none;
            }
            .navbar-toggler-hupu {
                display: block;
            }
            .nav-mega-trigger {
                display: none;
            }
            .category-main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-cat {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 240px;
            }
            .cred-levels {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .cat-hero {
                min-height: 220px;
                border-radius: var(--radius-md);
            }
            .cat-hero .hero-content {
                padding: 1.5rem 1.25rem;
            }
            .cat-hero h1 {
                font-size: 1.45rem;
            }
            .cat-hero .hero-desc {
                font-size: 0.85rem;
            }
            .rumor-card {
                flex-direction: column;
                padding: 1rem 1.25rem;
            }
            .rumor-heat {
                text-align: left;
                min-width: auto;
                margin-top: 0.25rem;
            }
            .heat-bar {
                margin-left: 0;
            }
            .bottom-cta {
                padding: 1.5rem;
                flex-direction: column;
                text-align: center;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .cred-levels {
                grid-template-columns: 1fr;
            }
            .sidebar-cat {
                flex-direction: column;
            }
            .sidebar-card {
                min-width: auto;
            }
            .mega-panel {
                display: none !important;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .breadcrumb-hupu {
                font-size: 0.75rem;
                padding-top: 0.9rem;
            }
            .cat-hero h1 {
                font-size: 1.3rem;
            }
            .rumor-content h3 {
                font-size: 0.92rem;
            }
            .rumor-content p {
                font-size: 0.8rem;
            }
            .section-title-group h2 {
                font-size: 1.15rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0F75A8;
            --primary-dark: #0B5E8A;
            --primary-light: #E8F4FA;
            --accent: #E4572E;
            --accent-dark: #C9431F;
            --accent-soft: #FEF3EE;
            --gold: #F2A03D;
            --bg-base: #F6FAFD;
            --bg-section: #F4F8FB;
            --card-bg: #FFFFFF;
            --card-bg-tint: #F0F7FC;
            --text-primary: #1A2B3C;
            --text-secondary: #526474;
            --text-muted: #7B8C9B;
            --border-light: #DDE7EE;
            --border-lighter: #EAF1F6;
            --footer-bg: #1E2D3D;
            --footer-text: #C6D2DC;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(15, 60, 90, 0.08);
            --shadow-card-hover: 0 12px 28px rgba(15, 60, 90, 0.14);
            --shadow-nav: 0 2px 16px rgba(15, 60, 90, 0.06);
            --transition-base: all 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --bs-primary: #0F75A8;
            --bs-link-color: #0F75A8;
            --bs-border-radius: 8px;
            --bs-btn-border-radius: 6px;
        }
        /* roulang page: category6 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1240px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
        }
        .navbar-hupu {
            padding: 0.65rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .navbar-hupu .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.25px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
        }
        .navbar-hupu .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 700;
        }
        .brand-logo .logo-text {
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .brand-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.15rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-nav-custom::-webkit-scrollbar {
            display: none;
        }
        .navbar-hupu .nav-item {
            position: relative;
            white-space: nowrap;
        }
        .navbar-hupu .nav-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: block;
            letter-spacing: 0.2px;
            text-decoration: none;
            position: relative;
        }
        .navbar-hupu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .navbar-hupu .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-hupu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.9rem;
            right: 0.9rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger .btn-mega {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-mega-trigger .btn-mega:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-mega-trigger .btn-mega .fa-chevron-down {
            transition: transform 0.25s ease;
            font-size: 0.7rem;
        }
        .nav-mega-trigger.open .btn-mega .fa-chevron-down {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 0.65rem);
            right: 0;
            width: 680px;
            max-width: 92vw;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 1.5rem;
            display: none;
            z-index: 1050;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 1.5rem;
        }
        .mega-panel.open {
            display: grid;
        }
        .mega-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }
        .mega-link {
            display: block;
            padding: 0.35rem 0;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-link:hover {
            color: var(--primary);
            text-decoration: none;
            padding-left: 0.3rem;
        }
        .mega-tag {
            display: inline-block;
            padding: 0.15rem 0.6rem;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            margin: 0.15rem 0.25rem 0.15rem 0;
        }
        .mega-card {
            display: block;
            background: var(--card-bg-tint);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mega-card:hover {
            text-decoration: none;
            box-shadow: var(--shadow-card);
        }
        .mega-card img {
            width: 100%;
            height: 72px;
            object-fit: cover;
        }
        .mega-card-body {
            padding: 0.5rem 0.75rem;
        }
        .mega-card-body .mega-card-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
        }
        .mega-card-body .mega-card-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .navbar-toggler-hupu {
            display: none;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            font-size: 1.2rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .navbar-toggler-hupu:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        @media (max-width: 1199.98px) {
            .navbar-nav-custom {
                gap: 0;
            }
            .navbar-hupu .nav-link {
                padding: 0.5rem 0.7rem;
                font-size: 0.82rem;
            }
            .mega-panel {
                width: 620px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-toggler-hupu {
                display: block;
            }
            .navbar-nav-custom {
                display: none;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.99);
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-card);
                padding: 0.75rem 1rem;
                gap: 0.25rem;
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .navbar-nav-custom.mobile-open {
                display: flex;
            }
            .navbar-hupu .nav-link {
                padding: 0.7rem 0.8rem;
                font-size: 0.95rem;
            }
            .nav-mega-trigger .btn-mega {
                width: 100%;
                justify-content: flex-start;
                padding: 0.7rem 0.8rem;
                font-size: 0.95rem;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                grid-template-columns: 1fr;
                gap: 0.8rem;
                margin-top: 0.5rem;
                padding: 1rem;
            }
            .mega-panel.open {
                display: grid;
            }
            .mega-card img {
                height: 60px;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-hupu {
                gap: 0.8rem;
            }
            .brand-logo .logo-sub {
                display: none;
            }
            .navbar-hupu .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }
        /* Breadcrumb */
        .breadcrumb-hupu {
            background: transparent;
            padding: 1rem 0 0.5rem;
            margin: 0;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .breadcrumb-hupu .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-hupu .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-hupu .breadcrumb-item.active {
            color: var(--text-secondary);
        }
        /* Hero */
        .hero-category {
            position: relative;
            background-image: linear-gradient(rgba(15, 117, 168, 0.82), rgba(11, 94, 138, 0.88)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 240px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin: 1rem 0 2rem;
            padding: 2.2rem 2rem;
        }
        .hero-category .hero-cat-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 780px;
        }
        .hero-category h1 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 0.6rem;
            color: #fff;
            line-height: 1.3;
        }
        .hero-category .hero-cat-sub {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            max-width: 720px;
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 0.8rem;
        }
        @media (max-width: 767.98px) {
            .hero-category {
                margin: 0.75rem 0 1.5rem;
                padding: 1.5rem 1.2rem;
                min-height: auto;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-category .hero-cat-sub {
                font-size: 0.85rem;
            }
        }
        /* Section Common */
        .section-block {
            margin-bottom: 3.5rem;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: -0.2px;
        }
        .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        /* Card */
        .card-hupu {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            overflow: hidden;
        }
        .card-hupu:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .card-hupu .card-body-hupu {
            padding: 1.25rem 1.5rem;
        }
        .card-hupu .card-title-hupu {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .card-hupu .card-text-hupu {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.8rem;
        }
        /* Badge */
        .badge-hupu {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: var(--radius-xs);
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .badge-gold {
            background: #FEF7E8;
            color: var(--gold);
        }
        /* Ranking List */
        .equip-rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            transition: var(--transition-base);
        }
        .equip-rank-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateX(2px);
        }
        .equip-rank-num {
            width: 42px;
            height: 42px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .equip-rank-num.top-gold {
            background: #FEF7E8;
            color: #B8860B;
        }
        .equip-rank-num.top-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .equip-rank-info {
            flex: 1;
            min-width: 0;
        }
        .equip-rank-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
        }
        .equip-rank-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .equip-rank-meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-top: 0.3rem;
        }
        .equip-rank-heat {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .equip-rank-bar {
            width: 80px;
            height: 5px;
            background: var(--border-light);
            border-radius: 3px;
            overflow: hidden;
        }
        .equip-rank-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
        }
        .equip-rank-bar-fill.accent {
            background: var(--accent);
        }
        .equip-rank-change {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .equip-rank-change.up {
            color: #16A34A;
        }
        .equip-rank-change.down {
            color: var(--accent);
        }
        @media (max-width: 767.98px) {
            .equip-rank-item {
                flex-wrap: wrap;
                gap: 0.75rem;
                padding: 0.9rem 1rem;
            }
            .equip-rank-num {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .equip-rank-title {
                font-size: 0.85rem;
            }
            .equip-rank-desc {
                font-size: 0.75rem;
            }
            .equip-rank-bar {
                width: 60px;
            }
        }
        /* Sidebar */
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1.25rem 1.4rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-card .sidebar-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .sidebar-tag {
            display: inline-block;
            padding: 0.25rem 0.8rem;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--bg-section);
            color: var(--text-secondary);
            border-radius: 20px;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .sidebar-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        .sidebar-hot-item {
            display: flex;
            gap: 0.8rem;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-lighter);
            transition: var(--transition-base);
        }
        .sidebar-hot-item:last-child {
            border-bottom: none;
        }
        .sidebar-hot-item:hover {
            transform: translateX(3px);
        }
        .sidebar-hot-item img {
            width: 64px;
            height: 64px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .sidebar-hot-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-hot-title {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.2rem;
        }
        .sidebar-hot-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        /* Feature Section */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 991.98px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1.5rem 1.4rem;
            transition: var(--transition-base);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .feature-card .feature-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }
        .feature-card .feature-text {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Flow Steps */
        .flow-steps {
            display: flex;
            gap: 1.5rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }
        .flow-step {
            flex: 1;
            min-width: 180px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.3rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
        }
        .flow-step:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }
        .flow-step .step-num {
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 0.3rem;
        }
        .flow-step .step-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }
        .flow-step .step-text {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* FAQ */
        .accordion-hupu .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.65rem;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .accordion-hupu .accordion-header {
            margin: 0;
        }
        .accordion-hupu .accordion-button {
            background: var(--card-bg);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md) !important;
            border: none;
            box-shadow: none !important;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .accordion-hupu .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-left: 3px solid var(--primary);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .accordion-hupu .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.25s ease;
            margin-left: auto;
        }
        .accordion-hupu .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .accordion-hupu .accordion-button:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18) !important;
        }
        .accordion-hupu .accordion-body {
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.7;
            padding: 1rem 1.25rem 1.2rem;
            border-top: 1px solid var(--border-lighter);
        }
        .accordion-hupu .faq-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 0.7rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2.5rem;
            color: #fff;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .cta-section .cta-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 1.2rem;
            max-width: 600px;
        }
        .cta-section .btn-cta-white {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 0.65rem 1.8rem;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .cta-section .btn-cta-white:hover {
            background: var(--accent-soft);
            color: var(--accent-dark);
            transform: translateY(-1px);
        }
        @media (max-width: 767.98px) {
            .cta-section {
                padding: 1.8rem 1.4rem;
            }
            .cta-section .cta-title {
                font-size: 1.15rem;
            }
        }
        /* Buttons */
        .btn-hupu-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .btn-hupu-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .btn-hupu-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 0.55rem 1.5rem;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .btn-hupu-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            text-decoration: none;
        }
        .btn-hupu-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .btn-hupu-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            text-decoration: none;
        }
        /* Form */
        .form-hupu .form-control {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0.55rem 0.9rem;
            font-size: 0.85rem;
            min-height: 44px;
            transition: var(--transition-base);
            color: var(--text-primary);
            background: var(--card-bg);
        }
        .form-hupu .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 117, 168, 0.18);
        }
        .form-hupu .form-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.3rem;
        }
        .form-hupu .form-text-muted {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        /* Table */
        .table-compare {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .table-compare thead th {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
        }
        .table-compare tbody td {
            padding: 0.8rem 1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-lighter);
            vertical-align: middle;
        }
        .table-compare tbody tr:last-child td {
            border-bottom: none;
        }
        .table-compare tbody tr:hover td {
            background: var(--card-bg-tint);
        }
        .table-bar-cell {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .table-bar-cell .bar-track {
            flex: 1;
            height: 7px;
            background: var(--border-light);
            border-radius: 4px;
            overflow: hidden;
        }
        .table-bar-cell .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
        }
        .table-bar-cell .bar-fill.accent {
            background: var(--accent);
        }
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--footer-text);
            max-width: 400px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .site-footer .footer-links a {
            color: var(--footer-text);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 0.3rem;
            text-decoration: none;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 2rem 0 1rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }
        /* Misc */
        .section-block {
            margin-bottom: 3.5rem;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary-hupu {
            color: var(--primary);
        }
        .fw-bold {
            font-weight: 700;
        }
        .mb-2 {
            margin-bottom: 0.5rem;
        }
        .mt-3 {
            margin-top: 1rem;
        }
        .bg-tint-blue {
            background: var(--card-bg-tint);
        }
        .divider {
            border-top: 1px solid var(--border-lighter);
            margin: 2rem 0;
        }