/* roulang page: index */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }

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

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }

        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }

        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

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

        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }

        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }

        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }

        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: relative;
            z-index: 1040;
            background: #fff;
        }

        .brand-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 64px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-form-desktop {
            display: flex;
            align-items: center;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-light);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 220px;
        }

        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-form-desktop input {
            border: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--text-body);
            flex: 1;
            min-width: 0;
        }

        .search-form-desktop input:focus {
            outline: none;
        }

        .search-form-desktop button {
            background: transparent;
            border: none;
            padding: 8px 12px;
            color: var(--text-muted);
            cursor: pointer;
            transition: color var(--transition);
        }

        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }

        .channel-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

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

        .channel-nav li {
            position: relative;
        }

        .channel-nav a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .channel-nav a:hover {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.05);
        }

        .channel-nav a.active {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            font-weight: 600;
        }

        .channel-cta {
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            white-space: nowrap;
            transition: color var(--transition);
        }

        .channel-cta:hover {
            color: var(--orange-hover);
        }

        .site-header.scrolled .brand-bar {
            height: 0;
            opacity: 0;
            overflow: hidden;
            border-bottom: none;
        }

        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background-color var(--transition);
        }

        .mobile-toggle:hover {
            background-color: rgba(37, 99, 235, 0.06);
        }

        .mobile-drawer-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-drawer-backdrop.active {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: #fff;
            z-index: 1060;
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -8px 0 32px rgba(15, 23, 42, 0.15);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 20px 16px;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-drawer-close {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background-color var(--transition);
        }

        .mobile-drawer-close:hover {
            background-color: rgba(37, 99, 235, 0.08);
        }

        .mobile-drawer-nav {
            list-style: none;
            padding: 12px 0;
            margin: 0;
            flex: 1;
        }

        .mobile-drawer-nav li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid rgba(227, 234, 245, 0.5);
            transition: all var(--transition);
        }

        .mobile-drawer-nav li a:hover {
            background-color: rgba(37, 99, 235, 0.04);
            color: var(--blue-primary);
        }

        .mobile-drawer-nav li a.active {
            color: var(--blue-primary);
            font-weight: 600;
            background-color: rgba(37, 99, 235, 0.06);
        }

        .mobile-drawer-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid var(--border-color);
        }

        /* ===== Hero ===== */
        .hero-section {
            background-color: #EDF3FE;
            background-image: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(14, 165, 233, 0.05) 100%);
            position: relative;
            overflow: hidden;
            min-height: 68vh;
            display: flex;
            align-items: center;
            padding: 40px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.65);
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-region-tag {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
            width: fit-content;
        }

        .hero-region-tag i {
            color: var(--cyan-accent);
            font-size: 14px;
        }

        .hero-title {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-heading);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 20px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
            padding-top: 8px;
            border-top: 1px solid rgba(37, 99, 235, 0.12);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--blue-primary);
            letter-spacing: -0.5px;
        }

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

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(37, 99, 235, 0.18);
            aspect-ratio: 16 / 10;
            background: #fff;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(15, 23, 42, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(4px);
        }

        .hero-image-badge i {
            color: var(--orange-cta);
        }

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

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

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

        .info-card {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 4px;
            flex-shrink: 0;
        }

        .info-card-icon.blue {
            background: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .info-card-icon.cyan {
            background: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        .info-card-icon.orange {
            background: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .info-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
            line-height: 1.4;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== Content Card ===== */
        .content-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .content-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

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

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

        .content-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .content-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin: 0;
        }

        .content-card-body .card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .content-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }

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

        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            transition: all var(--transition);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .news-date-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(255, 122, 41, 0.1);
            border-radius: 8px;
            padding: 10px 14px;
            min-width: 64px;
            flex-shrink: 0;
        }

        .news-date-day {
            font-size: 20px;
            font-weight: 700;
            color: var(--orange-cta);
            line-height: 1.2;
        }

        .news-date-month {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .news-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            align-self: flex-end;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .news-link:hover {
            color: var(--blue-hover);
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.04);
        }

        .faq-accordion .accordion-header {
            margin: 0;
        }

        .faq-accordion .accordion-button {
            background: var(--bg-white);
            border: none;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            text-align: left;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border-radius: 0;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.03);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            display: none;
        }

        .faq-accordion .accordion-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease, color var(--transition);
        }

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

        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

        /* ===== Comparison Table ===== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .comparison-card {
            padding: 28px 24px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            background: var(--bg-white);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .comparison-card.highlight {
            border-color: rgba(37, 99, 235, 0.3);
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(14, 165, 233, 0.03) 100%);
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card h3 i {
            color: var(--blue-primary);
        }

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

        .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(227, 234, 245, 0.6);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list li i {
            color: var(--blue-primary);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-list li i.fa-xmark {
            color: #94A3B8;
        }

        /* ===== Event Calendar ===== */
        .event-calendar {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .event-calendar::-webkit-scrollbar {
            height: 6px;
        }

        .event-calendar::-webkit-scrollbar-track {
            background: transparent;
        }

        .event-calendar::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }

        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            min-width: 260px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .event-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            background: rgba(255, 122, 41, 0.08);
            border-radius: 6px;
            padding: 4px 12px;
            width: fit-content;
        }

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

        .event-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .event-follow-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background: transparent;
            border: 1px solid var(--blue-primary);
            border-radius: 6px;
            padding: 6px 14px;
            cursor: pointer;
            transition: all var(--transition);
            width: fit-content;
        }

        .event-follow-btn:hover {
            background: rgba(37, 99, 235, 0.08);
            color: var(--blue-hover);
        }

        /* ===== Deep Reading ===== */
        .deep-reading-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .deep-reading-card {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .deep-reading-img {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .deep-reading-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .deep-reading-body h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin: 0;
        }

        .deep-reading-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .deep-reading-body .badge {
            width: fit-content;
        }

        /* ===== Guarantee Bar ===== */
        .guarantee-bar {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .guarantee-item i {
            color: var(--cyan-accent);
            font-size: 18px;
        }

        /* ===== Bottom CTA Bar ===== */
        .bottom-cta-bar {
            position: sticky;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: #0F172A;
            padding: 14px 24px;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: 0 -8px 30px rgba(15, 23, 42, 0.3);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .bottom-cta-bar.visible {
            display: flex;
        }

        .bottom-cta-text {
            font-size: 14px;
            color: #E2E8F0;
            font-weight: 500;
            line-height: 1.5;
        }

        .bottom-cta-text strong {
            color: #fff;
            font-weight: 700;
        }

        .bottom-cta-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .bottom-cta-close {
            background: transparent;
            border: none;
            color: #94A3B8;
            font-size: 18px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .bottom-cta-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Scene Showcase ===== */
        .scene-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .scene-tab {
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border-card);
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .scene-tab:hover {
            color: var(--blue-primary);
            border-color: rgba(37, 99, 235, 0.3);
        }

        .scene-tab.active {
            background: var(--blue-primary);
            color: #fff;
            border-color: var(--blue-primary);
        }

        .scene-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
            padding: 30px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }

        .scene-panel-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .scene-panel-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .scene-panel-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .scene-panel-content ul li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .scene-panel-content ul li i {
            color: var(--blue-primary);
            margin-top: 5px;
            flex-shrink: 0;
        }

        .scene-panel-img {
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

        /* ===== Specialty Cards ===== */
        .specialty-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .specialty-card {
            padding: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .specialty-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
        }

        .specialty-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .specialty-card .specialty-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            align-self: flex-start;
            margin-top: auto;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-card {
            padding: 36px 32px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .brand-intro-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .brand-intro-img {
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-contact p {
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--cyan-accent);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #64748B;
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: #64748B;
            transition: color var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .brand-bar {
                height: 60px;
            }

            .channel-bar {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .brand-actions .search-form-desktop {
                display: none;
            }

            .brand-actions .login-link {
                display: none;
            }

            .mobile-drawer-backdrop.active {
                display: block;
            }

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

            .hero-content {
                padding-right: 0;
            }

            .hero-section {
                padding: 30px 0;
                min-height: auto;
            }

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

            .cards-grid-2,
            .cards-grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .scene-panel {
                grid-template-columns: 1fr;
                padding: 20px;
            }

            .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .deep-reading-grid {
                grid-template-columns: 1fr;
            }

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

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

            .bottom-cta-bar {
                padding: 12px 16px;
                gap: 10px;
            }

            .bottom-cta-text {
                font-size: 13px;
            }

            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 14px;
                line-height: 1.7;
            }

            .hero-actions {
                gap: 10px;
            }

            .hero-stats {
                gap: 16px;
            }

            .event-card {
                min-width: 220px;
            }

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

            .news-item {
                flex-direction: column;
                gap: 12px;
            }

            .news-date-block {
                flex-direction: row;
                gap: 6px;
                padding: 6px 12px;
                min-width: auto;
            }

            .news-date-day {
                font-size: 16px;
            }

            .news-link {
                align-self: flex-start;
            }

            .guarantee-bar {
                gap: 12px;
                padding: 16px;
            }

            .guarantee-item {
                font-size: 13px;
                white-space: normal;
            }

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

            .bottom-cta-actions {
                width: 100%;
                flex-wrap: wrap;
            }

            .search-form-desktop {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }

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

            .hero-subtitle {
                font-size: 13px;
            }

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

            .cards-grid {
                gap: 12px;
            }

            .info-card {
                padding: 20px 18px;
            }

            .deep-reading-card {
                flex-direction: column;
                gap: 12px;
            }

            .deep-reading-img {
                width: 100%;
                height: 160px;
            }

            .scene-tab {
                padding: 8px 14px;
                font-size: 13px;
            }

            .comparison-card {
                padding: 20px 18px;
            }

            .event-card {
                min-width: 180px;
                padding: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category1 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }

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

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }

        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }

        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

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

        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }

        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }

        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }

        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
        }

        .brand-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
            height: 64px;
        }

        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
        }

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

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

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-form-desktop {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .search-form-desktop input {
            border: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 13px;
            width: 180px;
            color: var(--text-body);
        }

        .search-form-desktop input:focus {
            outline: none;
        }

        .search-form-desktop button {
            border: none;
            background: transparent;
            color: var(--text-muted);
            padding: 8px 12px;
            cursor: pointer;
            transition: color var(--transition);
        }

        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }

        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .login-link:hover {
            color: var(--blue-primary);
        }

        .channel-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            transition: all 0.3s ease;
        }

        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
        }

        .channel-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            height: 48px;
            align-items: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
        }

        .channel-nav li {
            white-space: nowrap;
        }

        .channel-nav li a {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .channel-nav li a:hover {
            color: var(--blue-primary);
        }

        .channel-nav li a.active {
            color: var(--blue-primary);
            border-bottom-color: var(--blue-primary);
            font-weight: 600;
        }

        .channel-cta {
            display: flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            white-space: nowrap;
            padding: 6px 14px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.06);
            transition: all var(--transition);
        }

        .channel-cta:hover {
            background: rgba(37, 99, 235, 0.1);
            color: var(--blue-hover);
        }

        .mobile-toggle {
            display: none;
            border: none;
            background: transparent;
            font-size: 20px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 8px;
        }

        /* Mobile Drawer */
        .mobile-drawer-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1060;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-drawer-backdrop.open {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: var(--bg-white);
            z-index: 1061;
            box-shadow: -4px 0 24px rgba(15, 23, 42, 0.12);
            transition: right 0.3s ease;
            overflow-y: auto;
            padding: 24px 20px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-drawer .channel-nav {
            flex-direction: column;
            height: auto;
            gap: 0;
            overflow-x: visible;
        }

        .mobile-drawer .channel-nav li a {
            height: auto;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 15px;
        }

        .mobile-drawer .channel-nav li a.active {
            border-bottom-color: var(--blue-primary);
        }

        .drawer-close {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--text-muted);
            cursor: pointer;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 16px 0 0;
            background: var(--bg-light);
        }

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

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

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

        .breadcrumb-nav .separator {
            color: #cbd5e1;
        }

        .breadcrumb-nav .current {
            color: var(--blue-primary);
            font-weight: 600;
        }

        /* Category Header */
        .category-header {
            background: var(--bg-light);
            padding: 28px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-header .cat-title-wrap {
            position: relative;
            z-index: 1;
        }

        .category-header h1 {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .category-header .cat-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
        }

        /* Stats Strip */
        .stats-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }

        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            padding: 16px;
            background: var(--bg-light);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--blue-primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Match List */
        .match-list-section {
            background: var(--bg-white);
        }

        .match-card {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            transition: all var(--transition);
            flex-wrap: wrap;
        }

        .match-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
            transform: translateY(-2px);
        }

        .match-date-block {
            min-width: 56px;
            text-align: center;
            background: linear-gradient(180deg, var(--blue-primary), var(--blue-hover));
            color: #fff;
            border-radius: 10px;
            padding: 8px 10px;
            font-weight: 700;
            line-height: 1.3;
        }

        .match-date-block .day {
            font-size: 22px;
            display: block;
        }

        .match-date-block .month {
            font-size: 12px;
            display: block;
            opacity: 0.9;
        }

        .match-info {
            flex: 1;
            min-width: 200px;
        }

        .match-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--cyan-accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

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

        .match-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .match-meta i {
            margin-right: 4px;
            color: var(--text-muted);
        }

        .match-actions {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        /* Topic Cards */
        .topic-cards-section {
            background: var(--bg-light);
        }

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

        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

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

        .topic-card-body {
            padding: 18px 20px;
        }

        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .topic-card-body .btn {
            font-size: 13px;
            padding: 6px 14px;
        }

        /* Terminology */
        .terminology-section {
            background: var(--bg-white);
        }

        .term-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .term-item {
            background: var(--bg-light);
            padding: 18px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
        }

        .term-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--blue-primary);
            margin-bottom: 6px;
        }

        .term-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-light);
        }

        .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            box-shadow: var(--shadow-card);
            background: var(--bg-white);
            overflow: hidden;
        }

        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md) !important;
            transition: all var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.05);
            color: var(--blue-primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
            box-shadow: none;
        }

        .accordion-button::after {
            background-size: 12px;
            transition: all var(--transition);
        }

        .accordion-body {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            padding: 16px 20px;
        }

        /* CTA Subscribe */
        .subscribe-section {
            background: var(--bg-white);
        }

        .subscribe-panel {
            background: linear-gradient(135deg, #0F172A, #1E293B);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 122, 41, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-panel h3 {
            color: #fff;
            font-size: clamp(18px, 2.5vw, 24px);
            font-weight: 700;
            margin-bottom: 6px;
            position: relative;
            z-index: 1;
        }

        .subscribe-panel p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            margin: 0;
            max-width: 500px;
            position: relative;
            z-index: 1;
        }

        .subscribe-panel .btn-cta {
            position: relative;
            z-index: 1;
            padding: 12px 24px;
            font-size: 15px;
            white-space: nowrap;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 280px;
        }

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

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color var(--transition);
        }

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

        .footer-contact h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-contact p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--cyan-accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 12px;
        }

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

        /* Responsive */
        @media (max-width: 992px) {
            .brand-bar {
                height: 56px;
            }
            .brand-bar-inner {
                height: 56px;
            }
            .search-form-desktop {
                display: none;
            }
            .login-link {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-bar {
                display: none;
            }
            .mobile-drawer-backdrop {
                display: block;
            }
            .mobile-drawer-backdrop.open {
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-drawer-backdrop:not(.open) {
                pointer-events: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .term-list {
                grid-template-columns: 1fr 1fr;
            }
            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .term-list {
                grid-template-columns: 1fr;
            }
            .stats-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .match-date-block {
                flex-direction: row;
                display: flex;
                gap: 6px;
                align-items: baseline;
                padding: 6px 12px;
            }
            .match-date-block .day {
                font-size: 16px;
                display: inline;
            }
            .match-date-block .month {
                font-size: 12px;
                display: inline;
            }
            .match-actions {
                width: 100%;
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-strip-grid {
                grid-template-columns: 1fr;
            }
            .brand-logo {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .category-header h1 {
                font-size: clamp(24px, 7vw, 32px);
            }
        }

/* roulang page: category3 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }

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

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }

        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }

        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

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

        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }

        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }

        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }

        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: relative;
            z-index: 1000;
            background: var(--bg-white);
        }

        .brand-bar {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            height: 64px;
            display: flex;
            align-items: center;
            transition: height 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
        }

        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            transition: color var(--transition);
        }

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

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

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-form-desktop {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 5px 10px 5px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-form-desktop input {
            border: none;
            background: transparent;
            padding: 4px 8px;
            font-size: 13px;
            width: 180px;
            color: var(--text-body);
            outline: none;
        }

        .search-form-desktop button {
            background: transparent;
            border: none;
            color: var(--text-muted);
            padding: 4px 6px;
            cursor: pointer;
            transition: color var(--transition);
        }

        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }

        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition);
            white-space: nowrap;
        }

        .login-link:hover {
            color: var(--blue-primary);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }

        .channel-bar {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
            transition: height 0.3s ease, box-shadow 0.3s ease;
        }

        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .channel-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            align-items: center;
        }

        .channel-nav li a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .channel-nav li a:hover {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.06);
        }

        .channel-nav li a.active {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.1);
            font-weight: 600;
        }

        .channel-cta {
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            border: 1px solid rgba(255, 122, 41, 0.35);
            border-radius: 8px;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .channel-cta:hover {
            background: rgba(255, 122, 41, 0.08);
            color: var(--orange-hover);
            border-color: var(--orange-cta);
        }

        .site-header.scrolled .brand-bar {
            height: 0;
            opacity: 0;
            overflow: hidden;
            border-bottom: none;
            transform: translateY(-8px);
        }

        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .mobile-drawer-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-drawer-backdrop.show {
            display: block;
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: var(--bg-white);
            z-index: 2000;
            box-shadow: -4px 0 30px rgba(15, 23, 42, 0.15);
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-drawer.show {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-drawer-close {
            background: transparent;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer-close:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }

        .mobile-drawer-body {
            padding: 20px;
        }

        .mobile-drawer-body .mobile-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer-body .mobile-nav-list li a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer-body .mobile-nav-list li a:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }

        .mobile-drawer-body .mobile-nav-list li a.active {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.08);
            font-weight: 600;
        }

        .mobile-drawer-footer {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }

        .mobile-drawer-footer .btn {
            width: 100%;
            margin-bottom: 8px;
            display: block;
        }

        /* ===== Category Header ===== */
        .category-header {
            background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 45%, #1D4ED8 100%);
            padding: 48px 0 64px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-header::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 122, 41, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .breadcrumb {
            margin-bottom: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .category-header h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 14px;
        }

        .category-header .category-desc {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            max-width: 720px;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
            margin-top: -32px;
            position: relative;
            z-index: 2;
        }

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

        .stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--bg-light);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(37, 99, 235, 0.3);
            box-shadow: var(--shadow-card);
        }

        .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .stat-icon.blue {
            background: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .stat-icon.cyan {
            background: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        .stat-icon.orange {
            background: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .stat-icon.green {
            background: rgba(34, 197, 94, 0.1);
            color: #22C55E;
        }

        .stat-info .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
        }

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

        /* ===== Ranking List Section ===== */
        .ranking-list {
            padding-top: 48px;
        }

        .ranking-card {
            display: flex;
            gap: 18px;
            padding: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            margin-bottom: 16px;
            position: relative;
        }

        .ranking-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .ranking-number {
            width: 48px;
            min-width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-number.top1 {
            background: linear-gradient(135deg, #F59E0B, #F97316);
            color: #fff;
        }

        .ranking-number.top2 {
            background: linear-gradient(135deg, #94A3B8, #64748B);
            color: #fff;
        }

        .ranking-number.top3 {
            background: linear-gradient(135deg, #D97706, #B45309);
            color: #fff;
        }

        .ranking-number.normal {
            background: rgba(37, 99, 235, 0.08);
            color: var(--blue-primary);
        }

        .ranking-card .ranking-img {
            width: 110px;
            min-width: 110px;
            height: 82px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-info .ranking-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .ranking-info .ranking-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .ranking-info .ranking-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .ranking-card .ranking-action {
            display: flex;
            align-items: center;
            margin-left: 12px;
            flex-shrink: 0;
        }

        .ranking-card .ranking-action .btn {
            padding: 8px 14px;
            font-size: 13px;
            white-space: nowrap;
        }

        /* ===== Topic Cards ===== */
        .topic-card {
            padding: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            height: 100%;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .topic-card a {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            transition: color var(--transition);
        }

        .topic-card a:hover {
            color: var(--blue-hover);
        }

        /* ===== Terms Block ===== */
        .terms-block {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .terms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }

        .term-item {
            padding: 16px 18px;
            background: var(--bg-light);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .term-item:hover {
            border-color: rgba(37, 99, 235, 0.3);
            box-shadow: var(--shadow-card);
        }

        .term-item .term-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--blue-primary);
            margin-bottom: 4px;
        }

        .term-item .term-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
        }

        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: 0;
        }

        .accordion-button:not(.collapsed) {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.04);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: -2px;
        }

        .accordion-button::after {
            background-size: 16px;
            transition: transform 0.3s ease;
        }

        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 16px 20px 18px;
            line-height: 1.7;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--blue-primary) 0%, #1E40AF 60%, #1E3A5F 100%);
            padding: 48px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta .container {
            position: relative;
            z-index: 1;
        }

        .subscribe-cta h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .subscribe-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            max-width: 560px;
        }

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

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), background var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input:focus {
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.15);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
        }

        .subscribe-form .btn {
            padding: 12px 22px;
            font-size: 14px;
            border-radius: 10px;
            background: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
            transition: background var(--transition), border-color var(--transition);
        }

        .subscribe-form .btn:hover {
            background: var(--orange-hover);
            border-color: var(--orange-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        .footer-contact h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-contact p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: rgba(255, 255, 255, 0.5);
            width: 16px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .brand-bar {
                height: 60px;
            }

            .search-form-desktop {
                display: none;
            }

            .login-link {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .channel-bar {
                height: auto;
                padding: 0;
                overflow: hidden;
            }

            .channel-bar-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 0;
            }

            .channel-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 2px;
                padding: 8px 4px;
                -webkit-overflow-scrolling: touch;
            }

            .channel-nav li a {
                font-size: 13px;
                padding: 7px 12px;
                white-space: nowrap;
            }

            .channel-cta {
                display: none;
            }

            .site-header.scrolled .brand-bar {
                height: 0;
            }

            .site-header.scrolled .channel-bar {
                height: auto;
                box-shadow: var(--shadow-nav);
            }

            .stats-strip-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .ranking-card {
                flex-wrap: wrap;
            }

            .ranking-card .ranking-img {
                width: 80px;
                min-width: 80px;
                height: 60px;
            }

            .ranking-card .ranking-action {
                margin-left: 0;
                margin-top: 10px;
                width: 100%;
                justify-content: flex-end;
            }

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

        @media (max-width: 575px) {
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .category-header {
                padding: 32px 0 48px;
            }

            .stats-strip-inner {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-item {
                padding: 10px 12px;
                gap: 10px;
            }

            .stat-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }

            .stat-info .stat-value {
                font-size: 16px;
            }

            .stat-info .stat-label {
                font-size: 11px;
            }

            .ranking-card {
                gap: 12px;
                padding: 14px;
            }

            .ranking-number {
                width: 36px;
                min-width: 36px;
                height: 36px;
                font-size: 16px;
                border-radius: 8px;
            }

            .ranking-card .ranking-img {
                width: 64px;
                min-width: 64px;
                height: 48px;
                border-radius: 8px;
            }

            .ranking-info .ranking-title {
                font-size: 15px;
            }

            .ranking-info .ranking-desc {
                font-size: 13px;
            }

            .ranking-card .ranking-action .btn {
                padding: 6px 12px;
                font-size: 12px;
            }

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

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

/* roulang page: category2 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }

        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }

        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

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

        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }

        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }

        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }

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

        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }

        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }

        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }

        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: relative;
            z-index: 1000;
            background: #fff;
        }

        .brand-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 64px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

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

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-accent));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-form-desktop {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 0 10px;
            height: 38px;
            width: 240px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-form-desktop input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 13px;
            color: var(--text-body);
            outline: none;
            min-width: 0;
        }

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

        .search-form-desktop button {
            border: none;
            background: transparent;
            color: var(--text-muted);
            padding: 4px 6px;
            cursor: pointer;
            font-size: 14px;
            transition: color var(--transition);
        }

        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }

        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .login-link:hover {
            color: var(--blue-primary);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            font-size: 18px;
            color: var(--text-heading);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }

        .channel-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav li {
            flex-shrink: 0;
        }

        .channel-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .channel-nav a:hover {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.05);
        }

        .channel-nav a.active {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.08);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background: var(--blue-primary);
        }

        .channel-cta {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            background: rgba(255, 122, 41, 0.08);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .channel-cta:hover {
            background: rgba(255, 122, 41, 0.15);
            color: var(--orange-hover);
        }

        .site-header.scrolled .brand-bar {
            height: 0;
            opacity: 0;
            pointer-events: none;
            border-bottom: none;
        }

        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1001;
        }

        .site-header.scrolled .channel-bar-inner {
            height: 56px;
        }

        /* Mobile Drawer */
        .mobile-drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-drawer-backdrop.show {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1101;
            transition: right 0.3s ease;
            box-shadow: -8px 0 30px rgba(15, 23, 42, 0.15);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-drawer.show {
            right: 0;
        }

        .mobile-drawer-header {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-drawer-close {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: all var(--transition);
        }

        .mobile-drawer-close:hover {
            color: var(--blue-primary);
            background: var(--bg-light);
        }

        .mobile-drawer-body {
            padding: 16px 20px;
            flex: 1;
        }

        .mobile-drawer-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer-nav a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 10px;
            transition: all var(--transition);
        }

        .mobile-drawer-nav a:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }

        .mobile-drawer-nav a.active {
            background: rgba(37, 99, 235, 0.08);
            color: var(--blue-primary);
            font-weight: 600;
        }

        .mobile-drawer-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-drawer-footer .btn {
            width: 100%;
            text-align: center;
        }

        body.drawer-open {
            overflow: hidden;
        }

        /* ===== Category Header ===== */
        .category-header {
            background: linear-gradient(135deg, #F5F8FE 0%, #EAF1FE 55%, #E0EDFE 100%);
            padding-top: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.05);
            z-index: 0;
        }

        .category-header::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.05);
            z-index: 0;
        }

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

        .breadcrumb {
            margin-bottom: 12px;
            font-size: 13px;
            color: var(--text-muted);
            background: none;
            padding: 0;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--blue-primary);
            font-weight: 600;
        }

        .category-header-content {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 36px;
        }

        .category-header-text {
            max-width: 680px;
        }

        .category-header-text h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-heading);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .category-header-text p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .category-header-image {
            flex-shrink: 0;
            width: 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 12px 36px rgba(37, 99, 235, 0.15);
            border: 1px solid var(--border-card);
        }

        .category-header-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .category-header-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }

        .category-header-stats .badge {
            font-size: 12px;
            padding: 6px 14px;
        }

        /* ===== Stat Strip ===== */
        .stat-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }

        .stat-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-strip-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 4px;
        }

        .stat-strip-item .icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--blue-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .stat-strip-item .stat-text {
            font-size: 13px;
            line-height: 1.4;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-strip-item .stat-text strong {
            display: block;
            font-size: 15px;
            color: var(--text-heading);
            font-weight: 700;
        }

        /* ===== Roster Cards Section ===== */
        .roster-section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .roster-section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

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

        .roster-card {
            display: flex;
            flex-direction: column;
        }

        .roster-card .card-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        .roster-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .roster-card .card-img .img-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .roster-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .roster-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .roster-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .roster-card .card-meta i {
            color: var(--cyan-accent);
            margin-right: 3px;
        }

        .roster-card .card-summary {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .roster-card .card-link {
            align-self: flex-start;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .roster-card .card-link:hover {
            color: var(--blue-hover);
            gap: 8px;
        }

        .roster-more-link {
            text-align: center;
            margin-top: 32px;
        }

        /* ===== Topic Cards ===== */
        .topic-section {
            background: var(--bg-white);
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .topic-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 28px;
        }

        .topic-card {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            cursor: pointer;
        }

        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(14, 165, 233, 0.1));
            color: var(--blue-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
            line-height: 1.4;
        }

        .topic-card p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin: 0;
            flex: 1;
        }

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

        .topic-card .topic-link:hover {
            color: var(--blue-hover);
        }

        /* ===== Glossary Section ===== */
        .glossary-section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 28px;
        }

        .glossary-item {
            background: var(--bg-white);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition);
        }

        .glossary-item:hover {
            border-color: rgba(37, 99, 235, 0.2);
            box-shadow: var(--shadow-card);
        }

        .glossary-item .glossary-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(14, 165, 233, 0.08);
            color: var(--cyan-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .glossary-item .glossary-text h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 4px;
        }

        .glossary-item .glossary-text p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.03);
            transition: all var(--transition);
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-button {
            background: var(--bg-white);
            color: var(--text-heading);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button::after {
            background-size: 14px;
            background-color: transparent;
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.04);
            color: var(--blue-primary);
        }

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

        .faq-accordion .accordion-button:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-body {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            padding: 16px 20px 20px;
            border-top: 1px solid var(--border-color);
        }

        /* ===== Subscription CTA ===== */
        .subscribe-section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .subscribe-box {
            background: linear-gradient(135deg, #0F172A 0%, #1D3A6B 100%);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            box-shadow: 0 16px 44px rgba(15, 23, 42, 0.18);
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 122, 41, 0.08);
        }

        .subscribe-box::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: 20%;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.1);
        }

        .subscribe-box > * {
            position: relative;
            z-index: 1;
        }

        .subscribe-text h2 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .subscribe-text p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            max-width: 520px;
        }

        .subscribe-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .subscribe-actions .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 14px;
            transition: all var(--transition);
        }

        .subscribe-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #B0BCCE;
            padding-top: 48px;
            padding-bottom: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.65;
            color: #94A3B8;
            max-width: 380px;
            margin-bottom: 16px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-col ul a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-contact p {
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .footer-contact i {
            margin-right: 6px;
            color: var(--cyan-accent);
        }

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #64748B;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .brand-bar {
                height: 56px;
            }

            .brand-bar-inner {
                gap: 12px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .search-form-desktop {
                display: none;
            }

            .login-link {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .channel-bar {
                height: 48px;
            }

            .channel-bar-inner {
                gap: 10px;
            }

            .channel-cta {
                display: none;
            }

            .category-header {
                padding-top: 28px;
                padding-bottom: 32px;
            }

            .category-header-content {
                flex-direction: column;
                gap: 20px;
            }

            .category-header-image {
                width: 100%;
                max-width: 360px;
            }

            .category-header-image img {
                height: 160px;
            }

            .stat-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .roster-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .topic-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

            .subscribe-box {
                padding: 30px 32px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
                --section-padding-mobile: 32px;
            }

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

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

            .roster-section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .category-header-text h1 {
                font-size: 26px;
            }

            .subscribe-box {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .subscribe-actions {
                width: 100%;
            }

            .subscribe-actions .btn {
                flex: 1;
                text-align: center;
            }

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

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

        @media (max-width: 520px) {
            .stat-strip-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .stat-strip-item {
                padding: 6px 0;
            }

            .category-header-image img {
                height: 140px;
            }

            .badge {
                font-size: 11px;
                padding: 4px 8px;
            }

            .roster-card .card-body {
                padding: 14px 16px 16px;
            }

            .roster-card .card-title {
                font-size: 16px;
            }

            .roster-card .card-summary {
                font-size: 13px;
            }

            .glossary-item {
                padding: 14px 16px;
            }

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

            .faq-accordion .accordion-body {
                font-size: 13px;
                padding: 12px 16px 16px;
            }
        }

        @media (min-width: 993px) {
            .mobile-drawer,
            .mobile-drawer-backdrop {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
            padding-top: 112px;
        }

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

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

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

        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }
        .section-alt { background-color: var(--bg-white); }

        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }
        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }
        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline-primary {
            background-color: transparent;
            color: var(--blue-primary);
            border: 1px solid var(--blue-primary);
        }
        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }
        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }
        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-cta:active { transform: translateY(0); }

        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
            display: inline-block;
        }
        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }
        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all 0.3s ease;
        }
        .brand-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 64px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            white-space: nowrap;
        }
        .brand-logo:hover { color: var(--blue-primary); }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-form-desktop {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 4px 6px 4px 14px;
            gap: 6px;
        }
        .search-form-desktop input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-body);
            width: 180px;
            padding: 4px 0;
        }
        .search-form-desktop input:focus {
            outline: none;
            box-shadow: none;
        }
        .search-form-desktop input::placeholder { color: var(--text-muted); }
        .search-form-desktop button {
            border: none;
            background: var(--blue-primary);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-form-desktop button:hover { background: var(--blue-hover); }
        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .login-link:hover { color: var(--blue-primary); }
        .mobile-toggle {
            display: none;
            border: none;
            background: none;
            font-size: 22px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 4px;
        }
        .channel-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .channel-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }
        .channel-nav li a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .channel-nav li a:hover {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.06);
        }
        .channel-nav li a.active {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.1);
            font-weight: 600;
        }
        .channel-cta {
            display: flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            padding: 6px 14px;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .channel-cta:hover {
            background: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }
        .mobile-drawer-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1060;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-drawer-backdrop.show { opacity: 1; }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: #fff;
            z-index: 1070;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-drawer.open { right: 0; }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-drawer-close {
            border: none;
            background: none;
            font-size: 22px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 4px;
        }
        .mobile-drawer-body {
            padding: 16px 20px;
            flex: 1;
        }
        .mobile-drawer-body ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-drawer-body ul li a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition);
        }
        .mobile-drawer-body ul li a:hover,
        .mobile-drawer-body ul li a.active { color: var(--blue-primary); }
        .mobile-drawer-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .site-header.scrolled .brand-bar {
            height: 0;
            overflow: hidden;
            border-bottom: none;
            opacity: 0;
            padding: 0;
        }
        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        body.menu-open { overflow: hidden; }

        @media (max-width: 991px) {
            .brand-bar { height: 60px; }
            .channel-bar { display: none; }
            .mobile-toggle { display: block; }
            .search-form-desktop { display: none; }
            .login-link { display: none; }
            .mobile-drawer-backdrop { display: block; }
            body { padding-top: 60px; }
            .brand-actions .btn-cta { padding: 6px 12px; font-size: 12px; }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover { color: var(--blue-primary); }
        .breadcrumb-nav .sep { color: var(--border-color); font-size: 10px; }
        .breadcrumb-nav .current { color: var(--blue-primary); font-weight: 500; }

        /* ===== Category Header ===== */
        .category-header {
            padding: 48px 0;
            background: linear-gradient(135deg, #EAEFFC 0%, #F5F8FE 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .category-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-header-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .category-header-content h1 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-heading);
            margin-bottom: 14px;
        }
        .category-header-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 18px;
        }
        .category-header-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .category-header-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 260px;
        }
        .category-header-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }
        .category-header-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(255, 122, 41, 0.1) 100%);
            pointer-events: none;
        }

        @media (max-width: 767px) {
            .category-header-inner { grid-template-columns: 1fr; }
            .category-header-visual { min-height: 200px; }
            .category-header-visual img { min-height: 200px; }
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-item {
            background: var(--bg-white);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--blue-primary);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .stat-number .suffix { font-size: 16px; font-weight: 600; margin-left: 2px; }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .stats-bar { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 575px) {
            .stats-bar { grid-template-columns: 1fr 1fr; gap: 10px; }
            .stat-number { font-size: 22px; }
            .stat-label { font-size: 12px; }
        }

        /* ===== Guide List ===== */
        .guide-list-item {
            display: flex;
            gap: 20px;
            padding: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            transition: all var(--transition);
        }
        .guide-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .guide-list-img {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .guide-list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .guide-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }
        .guide-list-top {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            flex-wrap: wrap;
        }
        .guide-list-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .guide-list-title a {
            color: var(--text-heading);
            transition: color var(--transition);
        }
        .guide-list-title a:hover { color: var(--blue-primary); }
        .guide-list-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .guide-list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .guide-list-action {
            display: flex;
            justify-content: flex-end;
        }

        @media (max-width: 767px) {
            .guide-list-item { flex-direction: column; }
            .guide-list-img { width: 100%; height: 160px; }
            .guide-list-action { justify-content: flex-start; }
        }

        /* ===== Topic Cards ===== */
        .topic-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .topic-card-image img { transform: scale(1.05); }
        .topic-card-body {
            padding: 18px 20px;
        }
        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .topic-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        /* ===== Glossary Block ===== */
        .glossary-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .glossary-term {
            padding: 16px 18px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--blue-primary);
        }
        .glossary-term h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .glossary-term p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.04);
        }
        .faq-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.04);
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
            opacity: 0.6;
        }
        .faq-accordion .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 20px;
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 45%, #0EA5E9 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-banner-text h3 {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 560px;
            margin: 0;
        }
        .cta-banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-banner .btn-cta {
            background: var(--orange-cta);
            color: #fff;
            border: none;
            font-weight: 700;
            padding: 12px 24px;
        }
        .cta-banner .btn-cta:hover {
            background: var(--orange-hover);
            transform: translateY(-2px);
        }
        .cta-banner .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .cta-banner .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        @media (max-width: 767px) {
            .cta-banner { padding: 32px 20px; }
            .cta-banner-inner { flex-direction: column; align-items: flex-start; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 14px;
        }
        .footer-col h4,
        .footer-contact h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: #fff; }
        .footer-contact p {
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .footer-contact p i {
            width: 18px;
            color: var(--cyan-accent);
        }
        .footer-bottom {
            padding: 16px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #64748B;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            font-size: 12px;
            color: #64748B;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover { color: #fff; }

        @media (max-width: 991px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 575px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category6 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 72px;
            --section-padding-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--blue-primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--blue-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-white);
        }
        .section-title {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }
        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }
        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            color: var(--blue-primary);
            border: 1px solid var(--blue-primary);
        }
        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }
        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }
        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }
        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }
        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #fff;
            box-shadow: var(--shadow-nav);
            transition: all 0.3s ease;
        }
        .brand-bar {
            height: 64px;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--blue-primary);
        }
        .brand-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-accent));
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-form-desktop {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: border-color var(--transition);
            width: 240px;
        }
        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .search-form-desktop input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--text-body);
            min-width: 0;
        }
        .search-form-desktop input::placeholder {
            color: var(--text-muted);
        }
        .search-form-desktop button {
            border: none;
            background: transparent;
            color: var(--text-muted);
            padding: 8px 12px;
            cursor: pointer;
            transition: color var(--transition);
            font-size: 13px;
        }
        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }
        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .login-link:hover {
            color: var(--blue-primary);
        }
        .mobile-toggle {
            display: none;
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg-light);
        }
        .channel-bar {
            height: 48px;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            gap: 16px;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav li {
            flex-shrink: 0;
        }
        .channel-nav a {
            display: inline-block;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .channel-nav a:hover {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.05);
        }
        .channel-nav a.active {
            color: var(--blue-primary);
            font-weight: 600;
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--blue-primary);
            border-radius: 2px 2px 0 0;
        }
        .channel-cta {
            display: flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: 6px;
            transition: all var(--transition);
        }
        .channel-cta:hover {
            background: rgba(255, 122, 41, 0.08);
            color: var(--orange-hover);
        }
        /* Header Scroll Shrink */
        .site-header.scrolled .brand-bar {
            height: 0;
            opacity: 0;
            pointer-events: none;
            border-bottom: none;
        }
        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
        }
        .site-header.scrolled .channel-bar-inner {
            height: 56px;
        }
        /* ===== Mobile Drawer ===== */
        .mobile-drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .mobile-drawer-backdrop.active {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: #fff;
            z-index: 1110;
            transition: right 0.35s ease;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-drawer-header .brand-logo {
            font-size: 18px;
        }
        .mobile-drawer-header .brand-logo-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }
        .mobile-drawer-close {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .mobile-drawer-close:hover {
            background: var(--bg-light);
        }
        .mobile-drawer-nav {
            list-style: none;
            margin: 0;
            padding: 16px 0;
        }
        .mobile-drawer-nav li a {
            display: block;
            padding: 12px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
        }
        .mobile-drawer-nav li a:hover {
            background: var(--bg-light);
            color: var(--blue-primary);
        }
        .mobile-drawer-nav li a.active {
            background: rgba(37, 99, 235, 0.06);
            color: var(--blue-primary);
            font-weight: 600;
            border-right: 3px solid var(--blue-primary);
        }
        .mobile-drawer-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding-top: 140px;
            padding-bottom: 16px;
            background: #fff;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb li a:hover {
            color: var(--blue-primary);
        }
        .breadcrumb li .separator {
            color: var(--text-muted);
            font-size: 11px;
        }
        .breadcrumb li.current {
            color: var(--text-heading);
            font-weight: 600;
        }
        /* ===== Category Header ===== */
        .category-hero {
            position: relative;
            padding: 48px 0 56px;
            background: linear-gradient(135deg, #F0F5FF 0%, #F8FBFF 45%, #EEF6FF 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-heading);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .category-hero-text .hero-description {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 24px;
        }
        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 20px;
        }
        .category-hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .category-hero-meta .meta-item i {
            color: var(--cyan-accent);
            font-size: 14px;
        }
        .category-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid rgba(37, 99, 235, 0.12);
            aspect-ratio: 4/3;
            position: relative;
        }
        .category-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-hero-image .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.75) 0%, transparent 100%);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
        }
        /* ===== Stats Bar ===== */
        .stats-bar-section {
            padding: 32px 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
        }
        .stats-bar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .stats-bar-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .stats-bar-item:hover {
            border-color: rgba(37, 99, 235, 0.25);
            background: rgba(37, 99, 235, 0.04);
        }
        .stats-bar-item .stats-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .stats-bar-item .stats-icon.blue {
            background: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        .stats-bar-item .stats-icon.orange {
            background: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }
        .stats-bar-item .stats-icon.cyan {
            background: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }
        .stats-bar-item .stats-icon.green {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
        }
        .stats-bar-item .stats-text {
            display: flex;
            flex-direction: column;
        }
        .stats-bar-item .stats-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
        }
        .stats-bar-item .stats-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* ===== Wiki List ===== */
        .wiki-list-section {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .wiki-list-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .wiki-list-header .left-group .section-title {
            margin-bottom: 6px;
        }
        .wiki-list-header .left-group .section-subtitle {
            margin-bottom: 0;
        }
        .wiki-filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .wiki-filter-tabs .filter-tab {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            background: #fff;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .wiki-filter-tabs .filter-tab:hover {
            border-color: var(--blue-primary);
            color: var(--blue-primary);
        }
        .wiki-filter-tabs .filter-tab.active {
            background: var(--blue-primary);
            border-color: var(--blue-primary);
            color: #fff;
        }
        .wiki-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .wiki-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .wiki-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .wiki-card .wiki-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .wiki-card .wiki-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .wiki-card:hover .wiki-card-image img {
            transform: scale(1.04);
        }
        .wiki-card .wiki-card-image .wiki-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .wiki-card .wiki-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .wiki-card .wiki-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .wiki-card .wiki-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .wiki-card .wiki-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .wiki-card .wiki-card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .wiki-card .wiki-card-meta .meta-left i {
            font-size: 13px;
            color: var(--cyan-accent);
        }
        .wiki-card .wiki-card-meta .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .wiki-card .wiki-card-meta .read-more:hover {
            color: var(--blue-hover);
            gap: 6px;
        }
        /* ===== Topics Section ===== */
        .topics-section {
            padding-top: 56px;
            padding-bottom: 56px;
            background: #fff;
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            border: 1px solid var(--border-card);
            transition: all var(--transition);
        }
        .topic-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.72) 0%, rgba(15, 23, 42, 0.1) 45%, transparent 100%);
            transition: all var(--transition);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .topic-card:hover::after {
            background: linear-gradient(to top, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.18) 50%, transparent 100%);
        }
        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card .topic-card-content {
            position: relative;
            z-index: 3;
            padding: 20px 22px;
            width: 100%;
        }
        .topic-card .topic-card-content .topic-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            margin-bottom: 8px;
            backdrop-filter: blur(4px);
        }
        .topic-card .topic-card-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .topic-card .topic-card-content p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }
        /* ===== Glossary Section ===== */
        .glossary-section {
            padding-top: 56px;
            padding-bottom: 56px;
            background: var(--bg-light);
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .glossary-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border-card);
            transition: all var(--transition);
        }
        .glossary-item:hover {
            border-color: rgba(37, 99, 235, 0.2);
            box-shadow: var(--shadow-card);
        }
        .glossary-item .glossary-term {
            font-size: 15px;
            font-weight: 700;
            color: var(--blue-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .glossary-item .glossary-term i {
            font-size: 14px;
            color: var(--cyan-accent);
        }
        .glossary-item .glossary-definition {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ===== FAQ Section ===== */
        .faq-section {
            padding-top: 56px;
            padding-bottom: 56px;
            background: #fff;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-item:hover {
            border-color: rgba(37, 99, 235, 0.25);
        }
        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            padding: 16px 20px;
            background: #fff;
            border: none;
            box-shadow: none;
            transition: all var(--transition);
            border-radius: var(--radius-md);
        }
        .accordion-button:not(.collapsed) {
            color: var(--blue-primary);
            background: rgba(37, 99, 235, 0.04);
            box-shadow: none;
        }
        .accordion-button:focus {
            outline: none;
            box-shadow: none;
            border-color: rgba(37, 99, 235, 0.3);
        }
        .accordion-button::after {
            content: '\f0d7';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
            background: none;
        }
        .accordion-button:not(.collapsed)::after {
            color: var(--blue-primary);
            transform: rotate(180deg);
        }
        .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 20px 18px;
            background: #fff;
            border-top: 1px solid var(--border-color);
            margin-top: 0;
        }
        .accordion-body::before {
            display: none;
        }
        /* ===== Subscribe CTA ===== */
        .subscribe-cta-section {
            padding-top: 56px;
            padding-bottom: 72px;
            background: var(--bg-light);
        }
        .subscribe-cta-card {
            background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #0EA5E9 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(37, 99, 235, 0.25);
        }
        .subscribe-cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta-card::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: rgba(255, 122, 41, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta-card .subscribe-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .subscribe-cta-card .subscribe-text h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .subscribe-cta-card .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
            line-height: 1.8;
            max-width: 480px;
        }
        .subscribe-cta-card .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-cta-card .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-cta-card .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .subscribe-cta-card .subscribe-form input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.22);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.18);
        }
        .subscribe-cta-card .subscribe-form .btn-cta {
            padding: 12px 24px;
            font-size: 14px;
            white-space: nowrap;
        }
        .subscribe-cta-card .subscribe-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 10px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding-top: 56px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #94A3B8;
            margin-bottom: 16px;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--cyan-accent);
        }
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-contact p {
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact p i {
            color: var(--cyan-accent);
            font-size: 13px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
        }
        .footer-bottom span {
            font-size: 13px;
            color: #64748B;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--cyan-accent);
        }
        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .category-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero-image {
                max-width: 480px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .subscribe-cta-card .subscribe-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-actions .search-form-desktop {
                display: none;
            }
            .brand-actions .login-link {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-bar {
                display: none;
            }
            .site-header.scrolled .brand-bar {
                height: 0;
                opacity: 0;
                pointer-events: none;
            }
            .site-header.scrolled .channel-bar {
                height: 0;
                opacity: 0;
                pointer-events: none;
            }
            .site-header.mobile-scrolled {
                box-shadow: var(--shadow-nav);
            }
        }
        @media (max-width: 767px) {
            .wiki-cards-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .category-hero {
                padding: 32px 0 40px;
            }
            .subscribe-cta-card {
                padding: 32px 24px;
            }
            .subscribe-cta-card .subscribe-form {
                flex-direction: column;
            }
            .subscribe-cta-card .subscribe-form input {
                min-width: 0;
            }
            .stats-bar-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .wiki-list-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .stats-bar-grid {
                grid-template-columns: 1fr;
            }
            .wiki-cards-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                aspect-ratio: 16/10;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .breadcrumb-area {
                padding-top: 100px;
            }
            .category-hero-text h1 {
                font-size: 24px;
            }
            .category-hero-meta {
                gap: 12px;
            }
        }
        @media (max-width: 767px) {
            .brand-bar {
                height: 60px;
            }
            .brand-bar-inner {
                height: 60px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --blue-primary: #2563EB;
            --blue-hover: #1D4ED8;
            --cyan-accent: #0EA5E9;
            --orange-cta: #FF7A29;
            --orange-hover: #EA6A1E;
            --bg-light: #F5F8FE;
            --bg-white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #1E293B;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --border-color: #E3EAF5;
            --border-card: #E6ECF6;
            --radius-sm: 8px;
            --radius-md: 10px;
            --radius-card: 14px;
            --radius-lg: 16px;
            --shadow-card: 0 8px 24px rgba(37, 99, 235, 0.08);
            --shadow-card-hover: 0 14px 34px rgba(37, 99, 235, 0.16);
            --shadow-nav: 0 4px 20px rgba(15, 23, 42, 0.08);
            --transition: 0.25s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Roboto', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --section-padding: 64px;
            --section-padding-mobile: 36px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--blue-primary);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--blue-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-white);
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
        }
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 20px;
            font-size: 15px;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.3px;
        }
        .btn:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--blue-primary);
            color: #fff;
            border: 1px solid var(--blue-primary);
        }
        .btn-primary:hover {
            background-color: var(--blue-hover);
            border-color: var(--blue-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            color: var(--blue-primary);
            border: 1px solid var(--blue-primary);
        }
        .btn-outline-primary:hover {
            background-color: rgba(37, 99, 235, 0.06);
            border-color: var(--blue-primary);
            color: var(--blue-hover);
        }
        .btn-cta {
            background-color: var(--orange-cta);
            color: #fff;
            border: 1px solid var(--orange-cta);
        }
        .btn-cta:hover {
            background-color: var(--orange-hover);
            border-color: var(--orange-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .badge {
            border-radius: 6px;
            font-weight: 600;
            font-size: 12px;
            padding: 5px 10px;
            letter-spacing: 0.3px;
        }
        .badge-blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        .badge-orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }
        .badge-cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: relative;
            z-index: 1020;
        }
        .brand-bar {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            height: 64px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }
        .brand-logo:hover {
            color: var(--blue-primary);
        }
        .brand-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--blue-primary), var(--cyan-accent));
            color: #fff;
            font-size: 18px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-form-desktop {
            display: flex;
            align-items: center;
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 0 10px;
            height: 36px;
            width: 220px;
            transition: border-color var(--transition);
        }
        .search-form-desktop:focus-within {
            border-color: var(--blue-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .search-form-desktop input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-body);
            width: 100%;
            outline: none;
        }
        .search-form-desktop input::placeholder {
            color: var(--text-muted);
        }
        .search-form-desktop button {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px;
            font-size: 13px;
            display: flex;
            align-items: center;
            transition: color var(--transition);
        }
        .search-form-desktop button:hover {
            color: var(--blue-primary);
        }
        .login-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .login-link:hover {
            color: var(--blue-primary);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 20px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 4px;
        }
        .channel-bar {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            height: 48px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        .channel-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .channel-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav li a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 7px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .channel-nav li a:hover {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.06);
        }
        .channel-nav li a.active {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.1);
        }
        .channel-cta {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange-cta);
            padding: 6px 14px;
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
            background-color: rgba(255, 122, 41, 0.08);
        }
        .channel-cta:hover {
            background-color: rgba(255, 122, 41, 0.16);
            color: var(--orange-hover);
        }
        /* Scrolled state */
        .site-header.scrolled .brand-bar {
            height: 0;
            overflow: hidden;
            border-bottom: none;
            padding: 0;
            transition: all 0.3s ease;
        }
        .site-header.scrolled .channel-bar {
            height: 56px;
            box-shadow: var(--shadow-nav);
        }
        /* Mobile Drawer */
        .mobile-drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(15, 23, 42, 0.5);
            z-index: 1030;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .mobile-drawer-backdrop.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100%;
            background-color: var(--bg-white);
            z-index: 1035;
            transition: right 0.3s ease;
            box-shadow: -4px 0 20px rgba(15, 23, 42, 0.12);
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-drawer-close {
            background: transparent;
            border: none;
            font-size: 20px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px;
        }
        .mobile-drawer-body {
            flex: 1;
            overflow-y: auto;
            padding: 16px 20px;
        }
        .mobile-drawer-body ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-drawer-body ul li {
            margin-bottom: 4px;
        }
        .mobile-drawer-body ul li a {
            display: block;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 8px;
            transition: all var(--transition);
        }
        .mobile-drawer-body ul li a:hover {
            background-color: rgba(37, 99, 235, 0.06);
            color: var(--blue-primary);
        }
        .mobile-drawer-body ul li a.active {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        body.drawer-open {
            overflow: hidden;
        }
        /* ===== Category Header ===== */
        .category-header {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 40px 0 36px;
            position: relative;
        }
        .category-header-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }
        .breadcrumb {
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--blue-primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--blue-primary);
            font-weight: 500;
        }
        .category-header h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .category-header-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
            position: relative;
            z-index: 1;
        }
        /* ===== Stats Strip ===== */
        .stats-strip {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }
        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stats-strip-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            background-color: var(--bg-light);
        }
        .stats-strip-icon {
            width: 40px;
            height: 40px;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }
        .stats-strip-icon.blue {
            background-color: rgba(37, 99, 235, 0.1);
            color: var(--blue-primary);
        }
        .stats-strip-icon.cyan {
            background-color: rgba(14, 165, 233, 0.1);
            color: var(--cyan-accent);
        }
        .stats-strip-icon.orange {
            background-color: rgba(255, 122, 41, 0.12);
            color: var(--orange-cta);
        }
        .stats-strip-icon.green {
            background-color: rgba(16, 185, 129, 0.1);
            color: #10B981;
        }
        .stats-strip-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .stats-strip-text strong {
            display: block;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
        }
        /* ===== News List ===== */
        .news-section {
            background-color: var(--bg-light);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(37, 99, 235, 0.2);
            transform: translateY(-2px);
        }
        .news-date-block {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 10px;
            background-color: rgba(37, 99, 235, 0.06);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .news-date-block .month {
            font-size: 12px;
            font-weight: 600;
            color: var(--orange-cta);
            line-height: 1.2;
        }
        .news-date-block .day {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-item-content h3 a {
            color: var(--text-heading);
            transition: color var(--transition);
        }
        .news-item-content h3 a:hover {
            color: var(--blue-primary);
        }
        .news-item-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .news-item-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .news-item-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--blue-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-read-more:hover {
            color: var(--blue-hover);
            gap: 6px;
        }
        .news-item-focus {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 0;
            padding: 0;
            overflow: hidden;
        }
        .news-item-focus .news-focus-img {
            height: 100%;
            min-height: 140px;
        }
        .news-item-focus .news-focus-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item-focus .news-item-content {
            padding: 18px 20px;
        }
        .news-more-wrapper {
            text-align: center;
            margin-top: 28px;
        }
        /* ===== Topic Cards ===== */
        .topic-section {
            background-color: var(--bg-white);
        }
        .topic-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .topic-card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.05);
        }
        .topic-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .topic-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ===== Glossary Section ===== */
        .glossary-section {
            background-color: var(--bg-light);
        }
        .glossary-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: var(--bg-white);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            transition: all var(--transition);
        }
        .glossary-item:hover {
            border-color: rgba(37, 99, 235, 0.25);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.06);
        }
        .glossary-term {
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 700;
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.08);
            padding: 4px 12px;
            border-radius: 6px;
            min-width: 80px;
            text-align: center;
        }
        .glossary-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--bg-white);
        }
        .accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background-color: var(--bg-white);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.04);
        }
        .accordion-header {
            margin: 0;
        }
        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            background-color: var(--bg-white);
            border: none;
            padding: 16px 20px;
            box-shadow: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
        }
        .accordion-button:not(.collapsed) {
            color: var(--blue-primary);
            background-color: rgba(37, 99, 235, 0.04);
            box-shadow: none;
        }
        .accordion-button:focus {
            outline: 2px solid rgba(37, 99, 235, 0.45);
            outline-offset: -2px;
            box-shadow: none;
        }
        .accordion-button::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--blue-primary);
        }
        .accordion-body {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            padding: 16px 20px 18px;
        }
        /* ===== CTA Section ===== */
        .cta-strip-section {
            background-color: var(--bg-light);
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .cta-strip {
            background: linear-gradient(135deg, var(--blue-primary), var(--blue-hover));
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: 0 10px 30px rgba(37, 99, 235, 0.18);
        }
        .cta-strip-text h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .cta-strip-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }
        .cta-strip-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-cta-white {
            background-color: #fff;
            color: var(--blue-primary);
            border: 1px solid #fff;
        }
        .btn-cta-white:hover {
            background-color: rgba(255, 255, 255, 0.9);
            color: var(--blue-hover);
        }
        .btn-cta-outline-white {
            background-color: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
        }
        .btn-cta-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--text-heading);
            color: #cbd5e1;
            padding-top: 56px;
            padding-bottom: 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--cyan-accent);
        }
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-contact p {
            font-size: 13px;
            color: #94a3b8;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--cyan-accent);
        }
        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .search-form-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .channel-nav {
                gap: 0;
            }
            .channel-nav li a {
                padding: 8px 12px;
                font-size: 13px;
            }
            .channel-cta {
                display: none;
            }
            .news-item-focus {
                grid-template-columns: 1fr;
            }
            .news-item-focus .news-focus-img {
                height: 180px;
            }
            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .brand-bar {
                height: 56px;
            }
            .brand-logo {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .channel-bar {
                height: 44px;
            }
            .channel-nav li a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .category-header {
                padding: 28px 0 24px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .news-date-block {
                width: 100%;
                height: auto;
                flex-direction: row;
                gap: 8px;
                padding: 6px 10px;
                align-items: baseline;
            }
            .news-date-block .day {
                font-size: 16px;
            }
            .news-item-content h3 {
                font-size: 15px;
            }
            .cta-strip {
                padding: 22px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-strip-actions {
                width: 100%;
                justify-content: center;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
        }
        @media (max-width: 576px) {
            .stats-strip-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            .topic-card-img {
                height: 140px;
            }
            .glossary-item {
                flex-direction: column;
                gap: 8px;
            }
            .glossary-term {
                align-self: flex-start;
            }
            .news-item-footer {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
        }

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