/* roulang page: index */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }

        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14.5px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
        }

        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 0;
        }

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

        .mobile-menu a {
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-left-color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                height: 60px;
                gap: 10px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .nav-logo-sub {
                font-size: 10px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 60px 0 72px;
            background-color: #F0F5FA;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
            pointer-events: none;
        }

        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 59, 87, 0.02) 0%, rgba(45, 125, 210, 0.04) 50%, rgba(242, 161, 4, 0.03) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 880px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--secondary);
            margin-bottom: 24px;
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 0 28px;
            height: 48px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
            border: 2px solid transparent;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 18px rgba(242, 161, 4, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(242, 161, 4, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 0 28px;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 59, 87, 0.3);
            outline-offset: 2px;
        }

        .hero-reward-panel {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            max-width: 720px;
            margin: 0 auto;
            text-align: left;
        }

        .hero-reward-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-progress-track {
            width: 100%;
            height: 10px;
            background: #E8EEF5;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            border-radius: 10px;
            transition: width 0.6s ease;
        }

        .hero-progress-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .hero-progress-meta strong {
            color: var(--primary);
        }

        .hero-reward-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 12px;
        }

        .hero-reward-item {
            background: var(--bg-page);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            text-align: center;
            transition: var(--transition);
        }

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

        .hero-reward-item .reward-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1.4;
        }

        .hero-reward-item .reward-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 40px 0 48px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .btn-primary,
            .btn-secondary {
                height: 44px;
                padding: 0 20px;
                font-size: 14px;
            }
            .hero-reward-panel {
                padding: 18px;
            }
            .hero-reward-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 24px;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-secondary {
                width: 100%;
            }
            .hero-reward-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        .section--tinted {
            background: #FFFFFF;
        }

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

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

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            background: var(--secondary-light);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header p {
                font-size: 14.5px;
            }
        }

        /* ===== Brand Story ===== */
        .brand-story-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-story-text {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .brand-story-text p {
            margin-bottom: 16px;
        }

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

        .brand-story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .brand-story-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .brand-story-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-story-text {
                font-size: 15px;
            }
            .brand-story-image img {
                height: 200px;
            }
        }

        /* ===== Featured Content Cards ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .featured-card--large {
            grid-column: span 7;
        }

        .featured-card--medium {
            grid-column: span 5;
        }

        .featured-card--small {
            grid-column: span 4;
        }

        .featured-card--wide {
            grid-column: span 12;
        }

        .featured-card-icon {
            width: 48px;
            height: 48px;
            background: var(--secondary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--secondary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .featured-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .featured-card .fc-desc {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex-grow: 1;
        }

        .featured-card .fc-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin-top: 16px;
            transition: var(--transition);
        }

        .featured-card .fc-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .featured-card-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            border: 1px solid var(--border-light);
        }

        .featured-card-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }

        .featured-card:hover .featured-card-image img {
            transform: scale(1.03);
        }

        .depth-content {
            grid-column: span 12;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 8px;
        }

        .depth-article {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: var(--transition);
        }

        .depth-article:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .depth-article h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .depth-article p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 10px;
        }

        .depth-article .key-point {
            background: var(--secondary-light);
            border-left: 3px solid var(--secondary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-main);
            margin-top: 16px;
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .featured-card--large,
            .featured-card--medium,
            .featured-card--small {
                grid-column: span 6;
            }
            .depth-content {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .featured-card--large,
            .featured-card--medium,
            .featured-card--small,
            .featured-card--wide {
                grid-column: span 12;
            }
            .featured-card {
                padding: 20px;
            }
            .depth-article {
                padding: 20px;
            }
            .depth-content {
                gap: 16px;
                margin-top: 0;
            }
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .testimonial-rating {
            display: flex;
            gap: 4px;
            color: var(--accent);
            font-size: 16px;
            margin-bottom: 12px;
        }

        .testimonial-text {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex-grow: 1;
            margin-bottom: 16px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-author-info .ta-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .testimonial-author-info .ta-role {
            font-size: 12.5px;
            color: var(--text-muted);
        }

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

        /* ===== News Center ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 16px;
            transition: var(--transition);
        }

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

        .news-item-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .news-item-image img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-item:hover .news-item-image img {
            transform: scale(1.04);
        }

        .news-item-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-item-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .news-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .news-item-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .news-item-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-sidebar-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 20px;
        }

        .news-sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .news-sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .news-sidebar-tags a {
            display: inline-block;
            font-size: 13px;
            padding: 5px 12px;
            background: var(--bg-page);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .news-sidebar-tags a:hover {
            background: var(--secondary-light);
            color: var(--primary);
            border-color: var(--secondary);
        }

        .news-sidebar-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }

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

        .news-sidebar-item .nsi-date {
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-page);
            padding: 3px 8px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .news-sidebar-item .nsi-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: var(--transition);
        }

        .news-sidebar-item:hover .nsi-title {
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar-card {
                flex: 1 1 280px;
            }
        }

        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                padding: 14px;
            }
            .news-item-image img {
                height: 160px;
            }
            .news-sidebar {
                flex-direction: column;
            }
        }

        /* ===== Data Analysis ===== */
        .data-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-bottom: 32px;
        }

        .data-stat-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

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

        .data-stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .data-stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .data-trend-visual {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .data-trend-visual h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .trend-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 160px;
            padding-bottom: 24px;
        }

        .trend-bar-wrapper {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            height: 100%;
            justify-content: flex-end;
        }

        .trend-bar {
            width: 100%;
            max-width: 48px;
            background: linear-gradient(180deg, var(--secondary), var(--primary));
            border-radius: 4px 4px 0 0;
            transition: var(--transition);
            min-height: 8px;
        }

        .trend-bar:hover {
            background: linear-gradient(180deg, var(--accent), var(--accent-hover));
        }

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

        @media (max-width: 768px) {
            .data-stat-number {
                font-size: 26px;
            }
            .data-stat-card {
                padding: 16px;
            }
            .trend-bars {
                height: 120px;
                gap: 6px;
            }
        }

        /* ===== Ranking List ===== */
        .ranking-table {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .ranking-row {
            display: grid;
            grid-template-columns: 60px 1fr 100px 100px 80px;
            gap: 12px;
            padding: 16px 20px;
            align-items: center;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .ranking-row:last-child {
            border-bottom: none;
        }

        .ranking-row:hover {
            background: var(--secondary-light);
        }

        .ranking-row.ranking-row--header {
            background: var(--bg-page);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .ranking-row--header:hover {
            background: var(--bg-page);
        }

        .rank-number {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
        }

        .rank-number--top1 {
            color: var(--accent);
            font-size: 20px;
        }
        .rank-number--top2 {
            color: var(--secondary);
            font-size: 18px;
        }
        .rank-number--top3 {
            color: var(--success);
            font-size: 18px;
        }

        .rank-title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }

        .rank-metric {
            font-size: 13.5px;
            color: var(--text-secondary);
            text-align: center;
        }

        .rank-trend {
            font-size: 13px;
            font-weight: 600;
            text-align: center;
        }

        .rank-trend--up {
            color: var(--danger);
        }
        .rank-trend--down {
            color: var(--success);
        }
        .rank-trend--stable {
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .ranking-row {
                grid-template-columns: 40px 1fr 70px 60px;
                padding: 12px 14px;
                gap: 8px;
                font-size: 13px;
            }
            .rank-number {
                font-size: 14px;
            }
            .rank-title {
                font-size: 13px;
            }
            .rank-metric {
                font-size: 12px;
            }
            .rank-trend {
                font-size: 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-icon {
            font-size: 20px;
            font-weight: 400;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 14.5px;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA / Subscribe ===== */
        .cta-section {
            background: var(--bg-footer);
            padding: var(--spacing-section) 0;
        }

        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-info p {
            font-size: 15.5px;
            color: #B8C7D5;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            color: #D0DCE6;
            font-size: 14.5px;
        }

        .cta-info-item-icon {
            width: 28px;
            height: 28px;
            background: rgba(242, 161, 4, 0.2);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .cta-form .form-hint {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid #D8E0E8;
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            appearance: none;
        }

        .form-textarea {
            height: auto;
            min-height: 100px;
            padding: 12px 14px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(45, 125, 210, 0.15);
        }

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

        .form-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }

        .form-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 18px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        .form-submit:focus-visible {
            outline: 3px solid rgba(242, 161, 4, 0.4);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .cta-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-info h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .cta-form {
                padding: 20px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A1620;
            color: #A0B0BD;
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            color: #8A9BA8;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo-icon {
            width: 30px;
            height: 30px;
            background: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            font-weight: 700;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: #8A9BA8;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: #6A7A88;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: #6A7A88;
            transition: var(--transition);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* ===== Utility ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .mb-0 { margin-bottom: 0; }
        .mt-0 { margin-top: 0; }
        .text-center { text-align: center; }

/* roulang page: category1 */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            padding: 0;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
        }
        p {
            margin: 0;
            padding: 0;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14.5px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
            cursor: pointer;
        }
        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            padding: 16px 0 8px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #F0F6FC 0%, #E6F0F8 60%, #DCE8F4 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(15, 59, 87, 0.05);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: rgba(45, 125, 210, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            left: 35%;
            bottom: -80px;
            width: 200px;
            height: 200px;
            background: rgba(242, 161, 4, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 0.5px;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-top: 14px;
            max-width: 720px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 22px;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero .hero-stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        .category-hero .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Filter Tags ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 16px 0 20px;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 28px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            margin-right: 6px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #FFFFFF;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .filter-tag:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: var(--secondary-light);
        }
        .filter-tag.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Layout: Featured + List ===== */
        .analysis-layout {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .featured-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .featured-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .featured-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .featured-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }
        .featured-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-summary {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            margin-top: auto;
            align-self: flex-start;
        }
        .card-link:hover {
            color: var(--secondary);
            gap: 10px;
        }
        .card-link .arrow {
            transition: var(--transition);
        }
        .card-link:hover .arrow {
            transform: translateX(4px);
        }

        .side-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .side-list-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 16px 18px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
            cursor: pointer;
        }
        .side-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
            border-color: rgba(45, 125, 210, 0.2);
        }
        .side-list-item .side-img {
            width: 100px;
            height: 70px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--secondary-light);
        }
        .side-list-item .side-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .side-list-item .side-content {
            flex: 1;
            min-width: 0;
        }
        .side-list-item .side-date {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .side-list-item .side-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .side-list-item .side-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            transition: var(--transition);
        }
        .side-list-item:hover .side-more {
            color: var(--primary);
        }

        /* Bottom row cards */
        .bottom-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 36px;
        }
        .bottom-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .bottom-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .bottom-card .bottom-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .bottom-card .bottom-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .bottom-card:hover .bottom-img img {
            transform: scale(1.04);
        }
        .bottom-card .bottom-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .bottom-card .bottom-date {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .bottom-card .bottom-title {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .bottom-card .bottom-summary {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .bottom-card .bottom-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            margin-top: auto;
            align-self: flex-start;
        }
        .bottom-card .bottom-link:hover {
            color: var(--secondary);
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 24px 0 36px;
        }
        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }
        .pagination .page-current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        .pagination .page-dots {
            border: none;
            background: transparent;
            color: var(--text-muted);
        }

        /* ===== Analysis Dimension Section ===== */
        .dimension-section {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 40px 36px;
            margin-bottom: 36px;
        }
        .dimension-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .dimension-item {
            padding: 20px 18px;
            background: var(--bg-page);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .dimension-item:hover {
            border-color: var(--secondary);
            background: var(--secondary-light);
        }
        .dimension-item .dim-icon {
            font-size: 26px;
            margin-bottom: 10px;
            color: var(--secondary);
        }
        .dimension-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .dimension-item p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 36px;
        }
        .faq-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-deep);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(45, 125, 210, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 20px;
            font-weight: 400;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active-faq .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.8;
        }
        .faq-item.active-faq .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ===== CTA / Contact ===== */
        .cta-section {
            background: var(--bg-footer);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            margin-bottom: 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
        .cta-info h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .cta-info p {
            font-size: 14.5px;
            color: #AFC0CF;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .cta-contact-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #B8C9D6;
        }
        .cta-contact-item .cta-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 26px;
            border: none;
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 44px;
            padding: 10px 14px;
            border: 1px solid #D8E0E8;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            outline: none;
        }
        .form-group textarea {
            height: 100px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(45, 125, 210, 0.1);
        }
        .form-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 46px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }
        .form-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: #B8C9D6;
            padding-top: 48px;
            padding-bottom: 28px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: #8A9BA8;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: #8A9BA8;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 12.5px;
            color: #6E7E8D;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: #8A9BA8;
            font-size: 12.5px;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .analysis-layout {
                grid-template-columns: 1fr;
            }
            .bottom-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 32px 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero {
                padding: 36px 28px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .nav-hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px 20px;
                gap: 4px;
                box-shadow: 0 4px 12px rgba(15, 59, 87, 0.08);
                border-bottom: 1px solid var(--border-light);
                z-index: 99;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                width: 100%;
                padding: 10px 14px;
                font-size: 15px;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
                height: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .bottom-cards {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .side-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .side-list-item .side-img {
                width: 100%;
                height: 140px;
            }
            .category-hero {
                padding: 28px 20px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-stats {
                gap: 12px;
            }
            .category-hero .hero-stat-num {
                font-size: 20px;
            }
            .dimension-section {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-form {
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .nav-container {
                height: 64px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 6px;
            }
            .nav-cta {
                font-size: 12px;
                padding: 6px 10px;
                height: 36px;
            }
            .nav-links {
                top: 64px;
            }
            .category-hero h1 {
                font-size: 19px;
            }
            .category-hero .hero-sub {
                font-size: 14px;
            }
            .featured-card .card-body {
                padding: 16px 16px 18px;
            }
            .card-title {
                font-size: 16px;
            }
            .bottom-card .bottom-body {
                padding: 12px 14px 14px;
            }
            .pagination a, .pagination span {
                min-width: 34px;
                height: 36px;
                font-size: 13px;
                padding: 0 8px;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
        }
        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 16px 16px;
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu ul li a {
            display: block;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu ul li a:hover,
        .mobile-menu ul li a.active {
            color: var(--primary);
            background: var(--secondary-light);
        }
        .mobile-menu .nav-cta {
            display: flex;
            width: 100%;
            margin-top: 10px;
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta-desktop {
                display: none;
            }
        }
        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 28px 0 8px;
            background: transparent;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            padding: 20px 0 36px;
            background: transparent;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .category-hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 860px;
            margin-bottom: 22px;
        }
        .filter-tags {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
            gap: 8px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }
        .filter-tags::-webkit-scrollbar {
            height: 4px;
        }
        .filter-tags::-webkit-scrollbar-track {
            background: transparent;
        }
        .filter-tags::-webkit-scrollbar-thumb {
            background: var(--border-mid);
            border-radius: 4px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: var(--transition);
            cursor: pointer;
            flex-shrink: 0;
        }
        .filter-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--secondary-light);
        }
        .filter-tag.active-tag {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ===== Featured Card ===== */
        .featured-section {
            padding: 16px 0 32px;
        }
        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 480px 1fr;
            min-height: 340px;
        }
        .featured-card-image {
            position: relative;
            min-height: 280px;
            background: #EAF3FB;
        }
        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 12.5px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.5px;
        }
        .featured-card-body {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card-body .fc-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .featured-card-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .featured-card-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 18px;
        }
        .featured-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 20px;
        }
        .featured-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-secondary);
        }
        .featured-meta-item i {
            color: var(--secondary);
            font-size: 15px;
        }
        .confidence-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(242, 161, 4, 0.12);
            color: #B77900;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
        }
        .confidence-badge i {
            font-size: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(242, 161, 4, 0.25);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 18px rgba(242, 161, 4, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--secondary-light);
            border-color: var(--secondary);
            color: var(--secondary);
        }

        /* ===== Recommendation List ===== */
        .rec-list-section {
            padding: 24px 0 48px;
        }
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header-row h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
        }
        .section-header-row .section-note {
            font-size: 14px;
            color: var(--text-muted);
        }
        .rec-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .rec-list-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            padding: 16px;
        }
        .rec-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(15, 59, 87, 0.14);
        }
        .rec-list-item-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 150px;
            background: #EAF3FB;
            flex-shrink: 0;
        }
        .rec-list-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .rec-list-item:hover .rec-list-item-image img {
            transform: scale(1.03);
        }
        .rec-list-item-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .rec-item-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .rec-item-date i {
            font-size: 13px;
            color: var(--secondary);
        }
        .rec-list-item-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rec-list-item-content p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
            cursor: pointer;
            align-self: flex-start;
        }
        .btn-read-more:hover {
            color: var(--secondary);
            gap: 10px;
        }
        .btn-read-more i {
            font-size: 12px;
            transition: var(--transition);
        }

        /* ===== Data Strip ===== */
        .data-strip {
            background: var(--primary);
            padding: 40px 0;
            border-radius: 0;
        }
        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-strip-item {
            text-align: center;
            color: #fff;
        }
        .data-strip-item .number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-strip-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Method Section ===== */
        .method-section {
            padding: 60px 0;
        }
        .method-content {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
        }
        .method-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .method-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            margin-top: 24px;
        }
        .method-content p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: transparent;
        }
        .faq-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 28px;
            text-align: center;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(15, 59, 87, 0.14);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            gap: 12px;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 15px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-footer);
            color: #fff;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .cta-info h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.85;
            margin-bottom: 18px;
        }
        .cta-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14.5px;
            color: rgba(255, 255, 255, 0.8);
        }
        .cta-contact-list li i {
            width: 20px;
            color: var(--accent);
            text-align: center;
        }
        .cta-form {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }
        .cta-form h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 44px;
            padding: 10px 14px;
            border: 1.5px solid #D8E0E8;
            border-radius: var(--radius-sm);
            font-size: 14.5px;
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            outline: none;
        }
        .form-group textarea {
            height: 100px;
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 59, 87, 0.08);
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6B7C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }
        .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15.5px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(242, 161, 4, 0.25);
            cursor: pointer;
            border: none;
        }
        .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 18px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A1927;
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .featured-card {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .featured-card-image {
                min-height: 220px;
                max-height: 300px;
            }
            .featured-card-body {
                padding: 22px 24px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 25px;
            }
            .rec-list-item {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 14px;
            }
            .rec-list-item-image {
                height: 180px;
            }
            .section-header-row h2 {
                font-size: 22px;
            }
            .featured-card-body h2 {
                font-size: 20px;
            }
            .method-content {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero-desc {
                font-size: 14.5px;
            }
            .featured-card-body {
                padding: 18px 16px;
            }
            .featured-card-body h2 {
                font-size: 18px;
            }
            .featured-meta-row {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                padding: 12px 18px;
                font-size: 14px;
            }
            .rec-list-item {
                padding: 10px;
            }
            .rec-list-item-image {
                height: 150px;
            }
            .rec-list-item-content h3 {
                font-size: 16px;
            }
            .rec-list-item-content p {
                font-size: 13.5px;
            }
            .cta-form {
                padding: 20px 16px;
            }
            .data-strip {
                padding: 28px 0;
            }
            .data-strip-item .number {
                font-size: 28px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }

        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
        }

        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 16px 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu ul li a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-menu ul li a:hover {
            background: var(--secondary-light);
            color: var(--primary);
        }

        .mobile-menu ul li a.active {
            background: var(--secondary-light);
            color: var(--primary);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta {
                margin-left: auto;
            }
        }

        @media (max-width: 480px) {
            .nav-cta {
                font-size: 12px;
                padding: 8px 12px;
                height: 38px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            font-size: 13.5px;
            color: var(--text-muted);
        }

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

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

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

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Page Hero */
        .page-hero {
            background: linear-gradient(135deg, #F0F5FA 0%, #E8F1F9 60%, #F7FAFC 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(45, 125, 210, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .page-hero-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .page-hero-desc {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 580px;
        }

        .page-hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .page-hero-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 22px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .hero-stat-label {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 32px 0;
            }
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-hero-title {
                font-size: 23px;
            }
            .page-hero-image img {
                height: 160px;
            }
            .hero-stats {
                gap: 16px;
            }
        }

        /* Section Base */
        .section {
            padding: 56px 0;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 20px;
            }
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            color: var(--primary);
            border-color: var(--secondary);
            background: var(--secondary-light);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }

        /* Knowledge Layout */
        .knowledge-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        @media (max-width: 900px) {
            .knowledge-layout {
                grid-template-columns: 1fr;
            }
            .knowledge-sidebar {
                order: -1;
            }
        }

        /* Knowledge Cards */
        .knowledge-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .knowledge-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

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

        .knowledge-card-inner {
            display: flex;
            gap: 0;
        }

        .knowledge-card-image {
            flex-shrink: 0;
            width: 260px;
            min-height: 170px;
            position: relative;
            overflow: hidden;
        }

        .knowledge-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

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

        .knowledge-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .knowledge-card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-weight: 500;
            font-size: 12px;
            border-radius: var(--radius-pill);
        }

        .knowledge-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .knowledge-card-title a:hover {
            color: var(--primary);
        }

        .knowledge-card-excerpt {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 12px;
        }

        .knowledge-card-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
        }

        .knowledge-card-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        @media (max-width: 640px) {
            .knowledge-card-inner {
                flex-direction: column;
            }
            .knowledge-card-image {
                width: 100%;
                min-height: 150px;
            }
            .knowledge-card-body {
                padding: 16px;
            }
        }

        /* Sidebar */
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
        }

        .sidebar-topic-list li {
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

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

        .sidebar-topic-list a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            line-height: 1.5;
        }

        .sidebar-topic-list a:hover {
            color: var(--primary);
        }

        .sidebar-topic-list .topic-count {
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-page);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
        }

        .sidebar-news-item {
            display: flex;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }

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

        .sidebar-news-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            padding-top: 2px;
        }

        .sidebar-news-item a {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .sidebar-news-item a:hover {
            color: var(--primary);
        }

        .sidebar-cta {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 26px 20px;
        }

        .sidebar-cta h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .sidebar-cta p {
            font-size: 13px;
            color: rgba(245, 248, 252, 0.75);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .sidebar-cta-btn {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 13.5px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

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

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

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .pagination-btn:hover {
            border-color: var(--secondary);
            color: var(--primary);
            background: var(--secondary-light);
        }

        .pagination-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            gap: 12px;
            width: 100%;
            text-align: left;
        }

        .faq-question span {
            flex: 1;
        }

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

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, #1A506E 100%);
            padding: 56px 0;
            border-radius: var(--radius-lg);
            margin: 0 auto;
        }

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

        .cta-info h3 {
            font-size: 23px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .cta-info p {
            font-size: 14.5px;
            color: rgba(245, 248, 252, 0.78);
            line-height: 1.8;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            height: 44px;
            padding: 0 12px;
            font-size: 14px;
            color: var(--text-main);
            background: #fff;
            border: 1px solid #D8E0E8;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            margin-bottom: 14px;
            outline: none;
        }

        .cta-form textarea {
            height: 90px;
            padding: 10px 12px;
            resize: vertical;
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(45, 125, 210, 0.12);
        }

        .cta-form button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            height: 46px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }

        .cta-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-md);
            }
            .cta-form {
                padding: 20px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(245, 248, 252, 0.7);
            padding: 48px 0 24px;
            margin-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: rgba(245, 248, 252, 0.62);
            line-height: 1.8;
        }

        .footer-col h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

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

        .footer-col ul li a {
            font-size: 13.5px;
            color: rgba(245, 248, 252, 0.62);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(245, 248, 252, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 16px;
            font-size: 12.5px;
            color: rgba(245, 248, 252, 0.55);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: rgba(245, 248, 252, 0.62);
            font-size: 12.5px;
        }

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

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        @media (min-width: 640px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

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

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }

        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            display: none;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14.5px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
            transition: var(--transition);
        }

        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: var(--transition);
        }

        .nav-hamburger:hover {
            background: var(--secondary-light);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 0 8px;
            border-top: 1px solid var(--border-light);
            background: #FFFFFF;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            background: var(--secondary-light);
            color: var(--primary);
        }

        .mobile-menu a.active {
            background: var(--secondary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu .mobile-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            margin: 8px 16px 12px;
            transition: var(--transition);
            text-align: center;
        }

        .mobile-menu .mobile-cta:hover {
            background: var(--accent-hover);
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
            .nav-cta {
                display: inline-flex;
            }
            .nav-hamburger {
                display: none;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

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

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

        /* ===== Page Header ===== */
        .page-header-section {
            background: linear-gradient(135deg, #F5F8FC 0%, #EAF3FB 100%);
            padding: 48px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .page-header-content h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .page-header-content p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        @media (min-width: 768px) {
            .page-header-section {
                padding: 64px 0;
            }
            .page-header-content h1 {
                font-size: 32px;
            }
        }

        /* ===== Filter Tags ===== */
        .filter-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
        }

        .filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-mid) transparent;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-page);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .filter-tag:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: var(--border-mid);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-right: 4px;
            flex-shrink: 0;
        }

        /* ===== Main Content Layout ===== */
        .main-section {
            padding: 40px 0;
        }

        @media (min-width: 768px) {
            .main-section {
                padding: 56px 0;
            }
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }

        @media (min-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr 300px;
                gap: 40px;
                align-items: start;
            }
        }

        /* ===== Data Table Card ===== */
        .data-table-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 24px;
        }

        .data-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-light);
            background: #FAFCFE;
            gap: 12px;
            flex-wrap: wrap;
        }

        .data-table-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-table-title .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-pill);
        }

        .data-table-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .data-table-meta .update-dot {
            width: 6px;
            height: 6px;
            background: var(--success);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .table-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .data-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            font-size: 14px;
        }

        .data-table thead th {
            text-align: left;
            padding: 12px 16px;
            font-weight: 600;
            font-size: 13px;
            color: var(--text-secondary);
            background: #F5F8FC;
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-main);
            white-space: nowrap;
        }

        .data-table tbody tr {
            transition: var(--transition);
        }

        .data-table tbody tr:hover {
            background: #FAFCFE;
        }

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

        .data-table .table-match {
            font-weight: 600;
            color: var(--text-main);
        }

        .data-table .table-league {
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-page);
            padding: 3px 8px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .data-table .index-change-up {
            color: var(--success);
            font-weight: 600;
        }

        .data-table .index-change-down {
            color: var(--danger);
            font-weight: 600;
        }

        .data-table .index-change-flat {
            color: var(--text-muted);
            font-weight: 500;
        }

        .data-table .value-highlight {
            font-weight: 700;
            color: var(--primary);
        }

        .data-table .view-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            transition: var(--transition);
        }

        .data-table .view-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        /* ===== Data Cards ===== */
        .data-cards-section {
            margin-bottom: 24px;
        }

        .data-cards-section-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        @media (min-width: 640px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .data-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            gap: 8px;
            flex-wrap: wrap;
        }

        .data-card-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: var(--secondary-light);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
        }

        .data-card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .data-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .data-card-desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .data-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            gap: 8px;
            flex-wrap: wrap;
        }

        .data-card-index {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .data-card-index .index-item {
            font-size: 12.5px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .data-card-index .index-item strong {
            font-weight: 700;
            color: var(--text-main);
        }

        .data-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            transition: var(--transition);
        }

        .data-card-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 .icon-dot {
            width: 4px;
            height: 16px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }

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

        .hot-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-page);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            padding: 6px 12px;
            transition: var(--transition);
            cursor: pointer;
        }

        .hot-tag:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: var(--border-mid);
        }

        .recent-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .recent-item {
            display: flex;
            gap: 10px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .recent-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .recent-item:hover .recent-title {
            color: var(--primary);
        }

        .recent-date {
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
            font-weight: 500;
            min-width: 42px;
        }

        .recent-title {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: var(--transition);
        }

        .subscribe-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            color: #fff;
        }

        .subscribe-box h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .subscribe-box p {
            font-size: 13.5px;
            color: rgba(245, 248, 252, 0.8);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .subscribe-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            width: 100%;
        }

        .subscribe-btn:hover {
            background: var(--accent-hover);
        }

        /* ===== Pagination ===== */
        .pagination-section {
            padding: 20px 0 0;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .pagination a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: var(--border-mid);
        }

        .pagination .page-current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination .page-dots {
            background: transparent;
            border: none;
            color: var(--text-muted);
        }

        /* ===== Deep Content Section ===== */
        .deep-section {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-card);
            margin-top: 32px;
        }

        @media (min-width: 768px) {
            .deep-section {
                padding: 36px 32px;
            }
        }

        .deep-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .deep-section h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 20px 0 10px;
        }

        .deep-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-section ul, .deep-section ol {
            margin: 0 0 16px 20px;
            color: var(--text-secondary);
        }

        .deep-section ul li, .deep-section ol li {
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 6px;
        }

        .deep-section .highlight-box {
            background: var(--secondary-light);
            border-left: 4px solid var(--secondary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
        }

        .deep-section .highlight-box p {
            margin-bottom: 0;
            color: var(--text-main);
            font-weight: 500;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-card);
            margin-top: 32px;
        }

        @media (min-width: 768px) {
            .faq-section {
                padding: 36px 32px;
            }
        }

        .faq-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #FAFCFE;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: var(--secondary-light);
        }

        .faq-question h3 {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            flex: 1;
            line-height: 1.5;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 40px 24px;
            margin-top: 32px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }

        @media (min-width: 768px) {
            .cta-section {
                grid-template-columns: 1.2fr 1fr;
                padding: 48px 40px;
                gap: 40px;
            }
        }

        .cta-info h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        @media (min-width: 768px) {
            .cta-info h2 {
                font-size: 26px;
            }
        }

        .cta-info p {
            font-size: 15px;
            color: rgba(245, 248, 252, 0.8);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .cta-info .contact-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(245, 248, 252, 0.9);
        }

        .cta-info .contact-line strong {
            font-weight: 600;
            color: var(--accent);
        }

        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        }

        .cta-form h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-main);
            background: #FAFCFE;
            border: 1px solid #D8E0E8;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            outline: none;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(45, 125, 210, 0.12);
            background: #fff;
        }

        .form-submit-btn {
            width: 100%;
            height: 44px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .form-submit-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: #B8C7D4;
            padding: 48px 0 24px;
            margin-top: 64px;
        }

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

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
                gap: 40px;
            }
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 13.5px;
            color: #8A9BA8;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-col ul li a {
            font-size: 13.5px;
            color: #8A9BA8;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            font-size: 12.5px;
            color: #6A7B8A;
            flex-wrap: wrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: #8A9BA8;
            transition: var(--transition);
        }

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

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 16px;
            }
        }

        /* ===== Animations & Extras ===== */
        .fade-in {
            animation: fadeIn 0.5s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .section-animate {
            opacity: 0;
            animation: fadeIn 0.5s ease forwards;
        }

        .section-animate:nth-child(1) { animation-delay: 0.05s; }
        .section-animate:nth-child(2) { animation-delay: 0.1s; }
        .section-animate:nth-child(3) { animation-delay: 0.15s; }
        .section-animate:nth-child(4) { animation-delay: 0.2s; }
        .section-animate:nth-child(5) { animation-delay: 0.25s; }

        :focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

/* roulang page: category5 */
:root {
            --primary: #0F3B57;
            --primary-deep: #0A2B3F;
            --accent: #F2A104;
            --accent-hover: #D98F00;
            --secondary: #2D7DD2;
            --secondary-light: #EAF3FB;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1F2B;
            --text-main: #1F2D3D;
            --text-secondary: #5A6B7C;
            --text-muted: #8A99A8;
            --text-inverse: #F5F8FC;
            --border-light: rgba(15, 59, 87, 0.08);
            --border-mid: rgba(15, 59, 87, 0.15);
            --success: #2E8B57;
            --danger: #C0392B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 16px rgba(15, 59, 87, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(15, 59, 87, 0.12);
            --shadow-nav: 0 1px 4px rgba(15, 59, 87, 0.06);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-light);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.08);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: var(--secondary-light);
            border-color: rgba(15, 59, 87, 0.12);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14.5px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            height: 44px;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(242, 161, 4, 0.25);
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 14px rgba(242, 161, 4, 0.35);
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mid);
            background: #fff;
        }
        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 24px rgba(15, 59, 87, 0.1);
                display: none;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
        }
        @media (max-width: 480px) {
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .nav-logo-sub {
                font-size: 10px;
            }
            .nav-container {
                height: 64px;
            }
            .nav-links {
                top: 64px;
                max-height: calc(100vh - 64px);
            }
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #F5F8FC 0%, #E8F0F7 50%, #F5F8FC 100%);
            padding: 56px 0 48px;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(45, 125, 210, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 10%;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(242, 161, 4, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .page-banner-text {
            flex: 1;
        }
        .page-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            box-shadow: 0 2px 10px rgba(242, 161, 4, 0.3);
        }
        .page-banner h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .page-banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 640px;
        }
        .page-banner-image {
            flex-shrink: 0;
            width: 280px;
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--border-light);
        }
        .page-banner-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner-inner {
                flex-direction: column;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 26px;
                line-height: 1.35;
            }
            .page-banner-desc {
                font-size: 15px;
            }
            .page-banner-image {
                width: 100%;
                height: 180px;
            }
        }
        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 22px;
            }
            .page-banner-badge {
                font-size: 12px;
                padding: 5px 14px;
            }
            .page-banner-image {
                height: 160px;
            }
        }
        /* Section Base */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: #fff;
        }
        @media (max-width: 640px) {
            .section {
                padding: 40px 0;
            }
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            background: var(--secondary-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 14.5px;
            }
        }
        /* Filter Tags */
        .filter-bar {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
        }
        .filter-label {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            background: var(--bg-page);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .filter-tag:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: var(--secondary-light);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 640px) {
            .filter-bar {
                padding: 16px;
                border-radius: var(--radius-sm);
                overflow-x: auto;
            }
            .filter-tags {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .filter-tag {
                flex-shrink: 0;
                font-size: 12.5px;
                padding: 6px 14px;
            }
        }
        /* Timeline */
        .timeline-section {
            padding: 0 0 64px;
        }
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--secondary), rgba(45, 125, 210, 0.15));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 20px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px rgba(242, 161, 4, 0.25);
            transition: var(--transition);
        }
        .timeline-item:hover::before {
            box-shadow: 0 0 0 6px rgba(242, 161, 4, 0.2);
            transform: scale(1.1);
        }
        .result-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .result-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--border-mid);
        }
        .result-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 24px;
            background: linear-gradient(to right, #FAFBFD, #fff);
            border-bottom: 1px solid var(--border-light);
        }
        .result-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .result-card-title h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }
        .result-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.3px;
        }
        .result-status.done {
            background: #E8F5EE;
            color: var(--success);
            border: 1px solid rgba(46, 139, 87, 0.2);
        }
        .result-status.closed {
            background: #FDF0EF;
            color: var(--danger);
            border: 1px solid rgba(192, 57, 43, 0.15);
        }
        .result-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .result-card-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .result-info-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .result-info-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .result-info-label {
            font-size: 12.5px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .result-info-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }
        .result-info-value.highlight {
            color: var(--accent);
            font-size: 18px;
        }
        .result-info-value.success-text {
            color: var(--success);
        }
        .result-matches {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
        }
        .match-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-page);
            padding: 5px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            line-height: 1.5;
        }
        .match-chip .score {
            font-weight: 700;
            color: var(--primary);
        }
        .result-card-footer {
            padding: 14px 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            background: #FAFBFD;
        }
        .result-card-footer .note {
            font-size: 13px;
            color: var(--text-muted);
        }
        .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--secondary);
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(45, 125, 210, 0.3);
            background: #fff;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-detail:hover {
            background: var(--secondary-light);
            border-color: var(--secondary);
            color: var(--primary);
            text-decoration: none;
        }
        @media (max-width: 640px) {
            .timeline {
                padding-left: 20px;
            }
            .timeline::before {
                left: 5px;
            }
            .timeline-item {
                padding-left: 14px;
            }
            .timeline-item::before {
                left: -18px;
                width: 10px;
                height: 10px;
                top: 18px;
            }
            .result-card-header {
                padding: 14px 16px;
                gap: 8px;
            }
            .result-card-title h3 {
                font-size: 15px;
            }
            .result-card-body {
                padding: 16px;
            }
            .result-card-footer {
                padding: 12px 16px;
            }
            .result-info-row {
                gap: 16px;
            }
            .result-info-value {
                font-size: 14px;
            }
            .result-info-value.highlight {
                font-size: 16px;
            }
        }
        /* Latest Result Detail */
        .latest-result {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .latest-result-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .latest-result-header h2 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }
        .latest-result-header .badge-light {
            background: var(--accent);
            color: #fff;
            font-size: 12.5px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .latest-result-body {
            padding: 26px 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .latest-result-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--secondary-light);
        }
        .latest-result-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .latest-result-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 12px;
            background: var(--bg-page);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            gap: 12px;
            flex-wrap: wrap;
        }
        .latest-result-list li span:first-child {
            font-weight: 500;
            color: var(--text-main);
        }
        .latest-result-list li span:last-child {
            font-weight: 700;
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .latest-result-body {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px;
            }
            .latest-result-header {
                padding: 18px 20px;
            }
            .latest-result-header h2 {
                font-size: 17px;
            }
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: var(--border-mid);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 24px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--secondary-light);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 15px 16px;
                font-size: 14.5px;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 13.5px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }
        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: var(--secondary-light);
        }
        .pagination span.current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination .disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(242, 161, 4, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 5%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(45, 125, 210, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .cta-text p {
            font-size: 15.5px;
            color: rgba(245, 248, 252, 0.85);
            line-height: 1.85;
            max-width: 520px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 15.5px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(242, 161, 4, 0.35);
        }
        .cta-btn:hover {
            background: #FFB920;
            box-shadow: 0 6px 24px rgba(242, 161, 4, 0.5);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .cta-text p {
                font-size: 14.5px;
            }
            .cta-btn {
                padding: 12px 24px;
                font-size: 14.5px;
            }
        }
        /* Sidebar */
        .layout-with-sidebar {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        .sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 20px;
        }
        .sidebar-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-light);
        }
        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            gap: 8px;
        }
        .sidebar-card ul li a:hover {
            background: var(--secondary-light);
            color: var(--primary);
        }
        .sidebar-card ul li a .count {
            font-size: 11.5px;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg-page);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
        }
        @media (max-width: 1024px) {
            .layout-with-sidebar {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 640px) {
            .sidebar {
                grid-template-columns: 1fr;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(245, 248, 252, 0.75);
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: #8A9BA8;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: #8A9BA8;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12.5px;
            color: #8A9BA8;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: #8A9BA8;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* Cover image in list */
        .cover-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
        }
        /* Focus outline */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }