/* roulang page: index */
:root {
            --primary: #1F5C8B;
            --primary-dark: #174A73;
            --primary-light: #EAF1F8;
            --accent-green: #2F9E6E;
            --accent-green-dark: #23825A;
            --accent-orange: #E98A2B;
            --accent-orange-dark: #C9711F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF1F8;
            --text-primary: #14293D;
            --text-body: #2B3A49;
            --text-secondary: #5B6B7B;
            --border: #DDE6F0;
            --footer-bg: #17324A;
            --footer-text: #B8C8D9;
            --footer-link: #D5E2EE;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 4px 12px rgba(28,60,91,0.06);
            --shadow-md: 0 8px 24px rgba(28,60,91,0.08);
            --shadow-lg: 0 14px 32px rgba(28,60,91,0.13);
            --shadow-hover: 0 18px 42px rgba(28,60,91,0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-sm);
            padding-right: var(--spacing-sm);
        }

        @media (min-width: 640px) {
            .grid-container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .grid-container {
                padding-left: var(--spacing-lg);
                padding-right: var(--spacing-lg);
            }
        }

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

        @media (max-width: 639px) {
            .section-pad {
                padding: var(--spacing-lg) 0;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-title .highlight {
            color: var(--primary);
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        @media (max-width: 639px) {
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: var(--spacing-md);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-orange {
            background: var(--accent-orange);
            color: #FFFFFF;
            border-color: var(--accent-orange);
        }
        .btn-orange:hover,
        .btn-orange:focus {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-green {
            background: var(--accent-green);
            color: #FFFFFF;
            border-color: var(--accent-green);
        }
        .btn-green:hover,
        .btn-green:focus {
            background: var(--accent-green-dark);
            border-color: var(--accent-green-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            line-height: 1.5;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-green {
            background: #E8F5EF;
            color: var(--accent-green-dark);
        }
        .badge-orange {
            background: #FFF3E8;
            color: var(--accent-orange-dark);
        }
        .badge-gray {
            background: #F0F3F7;
            color: var(--text-secondary);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: #FFFFFF;
            box-shadow: 0 2px 20px rgba(28,60,91,0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
        }

        .nav-top {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            min-height: var(--nav-height);
            flex-wrap: nowrap;
        }

        .nav-logo {
            flex-shrink: 0;
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-logo:hover,
        .nav-logo:focus {
            color: var(--text-primary);
        }
        .nav-logo span {
            color: var(--primary);
        }

        .nav-search {
            flex: 1 1 auto;
            max-width: 520px;
            margin: 0 var(--spacing-md);
            position: relative;
            min-width: 200px;
        }
        .nav-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 16px;
            pointer-events: none;
            z-index: 1;
        }
        .nav-search input {
            width: 100%;
            height: 46px;
            border-radius: 999px;
            border: 2px solid var(--border);
            background: #FFFFFF;
            padding: 0 20px 0 46px;
            font-size: 15px;
            color: var(--text-body);
            font-family: var(--font-family);
            transition: var(--transition);
        }
        .nav-search input::placeholder {
            color: #8A9AA8;
            font-size: 14px;
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31,92,139,0.12);
            outline: none;
        }

        .nav-actions {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-hamburger:hover {
            background: var(--primary-light);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 10px 0;
            border-top: 1px solid var(--border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .nav-categories::-webkit-scrollbar {
            height: 4px;
        }
        .nav-categories::-webkit-scrollbar-track {
            background: transparent;
        }
        .nav-categories::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .nav-categories a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 999px;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-categories a:hover,
        .nav-categories a:focus {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-categories a.active {
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            border-color: var(--primary);
        }

        @media (max-width: 1023px) {
            .nav-top {
                flex-wrap: wrap;
            }
            .nav-logo {
                font-size: 20px;
            }
            .nav-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                margin: var(--spacing-xs) 0 0;
            }
            .nav-actions {
                margin-left: auto;
            }
            .nav-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-categories {
                display: none;
                flex-wrap: nowrap;
                padding: 8px 0;
                gap: 4px;
            }
            .nav-categories.show {
                display: flex;
            }
            .nav-categories a {
                font-size: 13px;
                padding: 5px 14px;
            }
        }

        @media (max-width: 639px) {
            .nav-top {
                padding: 10px 0;
                min-height: auto;
                gap: 8px;
            }
            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
                border-radius: 10px;
            }
            .nav-search input {
                height: 42px;
                font-size: 14px;
                padding-left: 40px;
            }
            .nav-search .search-icon {
                left: 14px;
                font-size: 14px;
            }
            .nav-actions .btn-sm {
                padding: 6px 14px;
                font-size: 12px;
            }
            .nav-categories a {
                font-size: 12px;
                padding: 4px 12px;
            }
        }

        /* ========== Hero Bento ========== */
        .hero-bento {
            background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 1px solid var(--border);
        }
        .hero-main-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(31,92,139,0.08);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .hero-main-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31,92,139,0.06), transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .hero-badge .dot-live {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        .hero-badge-text {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .hero-bento h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }
        .hero-bento h1 .accent {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: var(--spacing-md);
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        .hero-side-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .hero-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hero-side-card .side-label {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-side-card .side-value {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .hero-side-card .side-detail {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }
        .hero-side-card .side-mini-list {
            list-style: none;
            margin-top: 10px;
            padding: 0;
        }
        .hero-side-card .side-mini-list li {
            font-size: 13px;
            color: var(--text-body);
            padding: 5px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-side-card .side-mini-list li:last-child {
            border-bottom: none;
        }
        .hero-side-card .side-mini-list i {
            color: var(--accent-green);
            font-size: 12px;
        }
        .hero-cta-bar {
            margin-top: var(--spacing-md);
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }
        .hero-cta-bar-text {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
        }
        .hero-cta-bar-text small {
            display: block;
            font-weight: 400;
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            margin-top: 2px;
        }
        .hero-cta-bar .btn {
            flex-shrink: 0;
        }

        @media (max-width: 1023px) {
            .hero-bento h1 {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-main-card {
                padding: 28px 22px;
            }
            .hero-side-card .side-value {
                font-size: 26px;
            }
        }

        @media (max-width: 639px) {
            .hero-bento {
                padding: var(--spacing-md) 0;
            }
            .hero-bento h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-main-card {
                padding: 22px 18px;
                border-radius: var(--radius-md);
            }
            .hero-side-card {
                padding: 18px 16px;
                border-radius: var(--radius-md);
            }
            .hero-cta-bar {
                padding: 16px 18px;
                flex-direction: column;
                text-align: center;
                border-radius: var(--radius-md);
            }
            .hero-cta-bar-text {
                font-size: 14px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
        }

        /* ========== Metrics Board ========== */
        .metrics-board {
            background: var(--section-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .metric-item {
            text-align: center;
            padding: var(--spacing-sm) var(--spacing-xs);
            position: relative;
        }
        .metric-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: var(--border);
        }
        .metric-value {
            font-size: 44px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.15;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .metric-value .trend {
            font-size: 16px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .trend-up {
            color: var(--accent-green);
        }
        .trend-up i {
            font-size: 12px;
        }
        .trend-flat {
            color: var(--accent-orange);
        }
        .metric-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .metric-note {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        .metrics-desc {
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border);
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 900px;
        }

        @media (max-width: 1023px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .metric-item:not(:last-child)::after {
                display: none;
            }
            .metric-value {
                font-size: 34px;
            }
        }
        @media (max-width: 639px) {
            .metrics-board {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .metric-value {
                font-size: 28px;
            }
            .metric-label {
                font-size: 13px;
            }
        }

        /* ========== Service Matrix ========== */
        .service-card-large,
        .service-card-small {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .service-card-large:hover,
        .service-card-small:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31,92,139,0.2);
        }
        .service-card-large {
            display: flex;
            gap: var(--spacing-md);
            align-items: center;
            min-height: 260px;
        }
        .service-card-large .service-text {
            flex: 1 1 55%;
        }
        .service-card-large .service-img {
            flex: 1 1 45%;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 180px;
        }
        .service-card-large .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: transform 0.4s ease;
        }
        .service-card-large:hover .service-img img {
            transform: scale(1.03);
        }
        .service-card-small {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 16px;
        }
        .service-card-small .service-img {
            width: 100%;
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 140px;
            margin-bottom: var(--spacing-sm);
        }
        .service-card-small .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.4s ease;
        }
        .service-card-small:hover .service-img img {
            transform: scale(1.03);
        }
        .service-card-small .service-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .service-card-small .service-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .service-card-large .service-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .service-card-large .service-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: var(--spacing-sm);
            transition: var(--transition);
        }
        .service-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .service-link i {
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .service-card-large {
                flex-direction: column;
                min-height: auto;
                text-align: left;
            }
            .service-card-large .service-img {
                width: 100%;
                height: 180px;
                flex: none;
            }
        }
        @media (max-width: 639px) {
            .service-card-large,
            .service-card-small {
                padding: 16px 14px;
                border-radius: var(--radius-md);
            }
            .service-card-large .service-img {
                height: 150px;
            }
            .service-card-small .service-img {
                height: 120px;
            }
        }

        /* ========== News Center ========== */
        .news-list {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-md);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: #FAFCFE;
        }
        .news-date {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .news-date .day {
            font-size: 22px;
        }
        .news-date .month {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .news-body {
            flex: 1;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        .news-readmore:hover {
            color: var(--primary-dark);
        }

        @media (max-width: 639px) {
            .news-item {
                flex-direction: column;
                gap: var(--spacing-xs);
                padding: var(--spacing-sm) var(--spacing-sm);
            }
            .news-date {
                width: auto;
                height: auto;
                flex-direction: row;
                gap: 4px;
                padding: 6px 12px;
                font-size: 13px;
                border-radius: 8px;
            }
            .news-date .day {
                font-size: 15px;
            }
            .news-date .month {
                font-size: 11px;
            }
        }

        /* ========== Comparison ========== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: var(--spacing-md);
            align-items: stretch;
        }
        .comparison-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            padding: 28px 24px;
            transition: var(--transition);
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }
        .comparison-card.winner {
            border-color: var(--accent-green);
            box-shadow: 0 8px 28px rgba(47,158,110,0.14);
        }
        .comparison-card .comp-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-card .comp-title .badge {
            font-size: 11px;
        }
        .comp-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .comp-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .comp-list li:last-child {
            border-bottom: none;
        }
        .comp-list i {
            font-size: 14px;
            flex-shrink: 0;
        }
        .comp-list .fa-check-circle {
            color: var(--accent-green);
        }
        .comp-list .fa-times-circle {
            color: #C0392B;
        }
        .comp-list .fa-minus-circle {
            color: var(--text-secondary);
        }
        .comp-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: var(--spacing-xs);
            padding-top: var(--spacing-xs);
            border-top: 1px dashed var(--border);
        }
        .comp-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-orange);
            padding: 0 var(--spacing-xs);
            letter-spacing: 0.05em;
        }
        .comp-vs .vs-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #FFFFFF;
            border: 2px solid var(--accent-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-sm);
        }

        @media (max-width: 1023px) {
            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .comp-vs {
                padding: var(--spacing-xs) 0;
            }
            .comp-vs .vs-circle {
                width: 42px;
                height: 42px;
                font-size: 14px;
            }
        }
        @media (max-width: 639px) {
            .comparison-card {
                padding: 18px 16px;
                border-radius: var(--radius-md);
            }
            .comp-vs {
                font-size: 16px;
            }
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            padding: var(--spacing-lg) var(--spacing-md);
            overflow: hidden;
        }
        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: var(--spacing-md) 0 var(--spacing-sm);
            line-height: 1.4;
        }
        .deep-content h3:first-child {
            margin-top: 0;
        }
        .deep-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: var(--spacing-sm);
        }
        .deep-content ul,
        .deep-content ol {
            margin: var(--spacing-sm) 0;
            padding-left: 22px;
        }
        .deep-content li {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 6px;
        }
        .deep-content blockquote {
            border-left: 4px solid var(--primary);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-sm) 0;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            font-style: italic;
        }
        .deep-content .content-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: var(--spacing-md) 0;
            height: 280px;
        }
        .deep-content .content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 639px) {
            .deep-content {
                padding: var(--spacing-md) var(--spacing-sm);
                border-radius: var(--radius-md);
            }
            .deep-content .content-img {
                height: 180px;
                margin: var(--spacing-sm) 0;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .deep-content p,
            .deep-content li {
                font-size: 14px;
            }
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            background: var(--section-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            position: relative;
            overflow: hidden;
        }
        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent-green), var(--accent-orange));
        }
        .brand-intro h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .brand-intro p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
        }

        @media (max-width: 639px) {
            .brand-intro {
                padding: var(--spacing-md) var(--spacing-sm);
                border-radius: var(--radius-md);
            }
        }

        /* ========== Hot Posts ========== */
        .hot-post-list {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            overflow: hidden;
        }
        .hot-post-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .hot-post-item:last-child {
            border-bottom: none;
        }
        .hot-post-item:hover {
            background: #FAFCFE;
        }
        .hot-post-rank {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
        }
        .hot-post-rank.top1 {
            background: var(--accent-orange);
            color: #FFFFFF;
        }
        .hot-post-rank.top2 {
            background: var(--primary);
            color: #FFFFFF;
        }
        .hot-post-rank.top3 {
            background: var(--accent-green);
            color: #FFFFFF;
        }
        .hot-post-body {
            flex: 1;
        }
        .hot-post-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .hot-post-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .hot-post-meta i {
            margin-right: 3px;
        }

        @media (max-width: 639px) {
            .hot-post-item {
                padding: var(--spacing-sm);
                gap: var(--spacing-xs);
            }
            .hot-post-rank {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .hot-post-title {
                font-size: 14px;
            }
        }

        /* ========== Entry Matrix ========== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-sm);
        }
        .entry-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .entry-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31,92,139,0.2);
        }
        .entry-item .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }
        .entry-item .entry-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .entry-item .entry-desc {
            font-size: 11px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        @media (max-width: 1023px) {
            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 639px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .entry-item {
                padding: 14px 10px;
            }
            .entry-item .entry-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
                border-radius: 10px;
            }
        }

        /* ========== Latest Updates ========== */
        .updates-table {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            overflow: hidden;
        }
        .update-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 14px var(--spacing-md);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .update-row:last-child {
            border-bottom: none;
        }
        .update-row:hover {
            background: #FAFCFE;
        }
        .update-type {
            flex-shrink: 0;
            min-width: 72px;
            text-align: center;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .update-type.green {
            background: #E8F5EF;
            color: var(--accent-green-dark);
        }
        .update-type.orange {
            background: #FFF3E8;
            color: var(--accent-orange-dark);
        }
        .update-content {
            flex: 1;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.5;
        }
        .update-content strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .update-time {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 639px) {
            .update-row {
                flex-wrap: wrap;
                padding: 10px var(--spacing-sm);
                gap: 6px;
            }
            .update-type {
                min-width: auto;
                font-size: 11px;
                padding: 3px 8px;
            }
            .update-content {
                font-size: 13px;
                flex: 1 1 100%;
            }
            .update-time {
                font-size: 12px;
            }
        }

        /* ========== FAQ Accordion ========== */
        .faq-section .accordion {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
            overflow: hidden;
            margin: 0;
            list-style: none;
        }
        .faq-section .accordion-item {
            border-bottom: 1px solid var(--border);
            background: #FFFFFF;
        }
        .faq-section .accordion-item:last-child {
            border-bottom: none;
        }
        .faq-section .accordion-title {
            display: block;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: #FFFFFF;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            padding-right: 52px;
            line-height: 1.5;
        }
        .faq-section .accordion-title::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            pointer-events: none;
        }
        .faq-section .accordion-item.is-active .accordion-title::after {
            content: '\f068';
            color: var(--primary);
        }
        .faq-section .accordion-title:hover,
        .faq-section .accordion-title:focus {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .faq-section .accordion-content {
            display: none;
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            background: #FFFFFF;
        }
        .faq-section .accordion-item.is-active .accordion-content {
            display: block;
        }

        @media (max-width: 639px) {
            .faq-section .accordion-title {
                padding: 14px 16px;
                padding-right: 44px;
                font-size: 14px;
            }
            .faq-section .accordion-content {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

        /* ========== CTA Form ========== */
        .cta-form-section {
            background: var(--section-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent-orange), var(--primary));
        }
        .form-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.08);
        }
        .form-card label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: block;
        }
        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border);
            background: #FFFFFF;
            padding: 12px 16px;
            font-size: 15px;
            font-family: var(--font-family);
            color: var(--text-body);
            transition: var(--transition);
            margin-bottom: 0;
        }
        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31,92,139,0.12);
            outline: none;
        }
        .form-card textarea {
            resize: vertical;
            min-height: 110px;
        }
        .form-card .form-group {
            margin-bottom: var(--spacing-sm);
        }
        .form-card .form-note {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .privacy-tip {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: var(--spacing-sm);
            display: flex;
            align-items: flex-start;
            gap: 6px;
        }
        .privacy-tip i {
            color: var(--accent-green);
            flex-shrink: 0;
            margin-top: 3px;
        }

        @media (max-width: 639px) {
            .cta-form-section {
                padding: var(--spacing-md) var(--spacing-sm);
                border-radius: var(--radius-md);
            }
            .form-card {
                padding: var(--spacing-sm);
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col p,
        .footer-col li {
            font-size: 13px;
            color: var(--footer-text);
            line-height: 1.8;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col a {
            color: var(--footer-link);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-col a:hover,
        .footer-col a:focus {
            color: #FFFFFF;
            padding-left: 4px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 15px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--footer-text);
        }
        .footer-bottom a {
            color: var(--footer-link);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        /* ========== Utility ========== */
        .text-center { text-align: center; }
        .text-right { text-align: right; }
        .mt-0 { margin-top: 0; }
        .mt-1 { margin-top: var(--spacing-xs); }
        .mt-2 { margin-top: var(--spacing-sm); }
        .mt-3 { margin-top: var(--spacing-md); }
        .mt-4 { margin-top: var(--spacing-lg); }
        .mb-0 { margin-bottom: 0; }
        .mb-1 { margin-bottom: var(--spacing-xs); }
        .mb-2 { margin-bottom: var(--spacing-sm); }
        .mb-3 { margin-bottom: var(--spacing-md); }
        .mb-4 { margin-bottom: var(--spacing-lg); }
        .gap-sm { gap: var(--spacing-sm); }
        .gap-md { gap: var(--spacing-md); }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        .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;
        }

        /* Back to top */
        .back-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            z-index: 50;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

/* roulang page: category2 */
:root {
            --primary: #1F5C8B;
            --primary-dark: #174A73;
            --primary-light: #EAF1F8;
            --accent-green: #2F9E6E;
            --accent-green-dark: #23825A;
            --accent-orange: #E98A2B;
            --accent-orange-dark: #C9711F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF1F8;
            --text-primary: #14293D;
            --text-body: #2B3A49;
            --text-secondary: #5B6B7B;
            --border: #DDE6F0;
            --footer-bg: #17324A;
            --footer-text: #B8C8D9;
            --footer-link: #D5E2EE;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 4px 12px rgba(28, 60, 91, 0.06);
            --shadow-md: 0 8px 24px rgba(28, 60, 91, 0.08);
            --shadow-lg: 0 14px 32px rgba(28, 60, 91, 0.13);
            --shadow-hover: 0 18px 42px rgba(28, 60, 91, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-title .highlight {
            color: var(--primary);
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: var(--spacing-lg);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

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

        .btn-orange {
            background: var(--accent-orange);
            color: #FFFFFF;
            border-color: var(--accent-orange);
        }

        .btn-orange:hover,
        .btn-orange:focus {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-green {
            background: var(--accent-green);
            color: #FFFFFF;
            border-color: var(--accent-green);
        }

        .btn-green:hover,
        .btn-green:focus {
            background: var(--accent-green-dark);
            border-color: var(--accent-green-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* Header / Navigation */
        .site-header {
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(28, 60, 91, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            min-height: var(--nav-height);
            padding: 10px 0;
            flex-wrap: wrap;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

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

        .search-area {
            flex: 1;
            max-width: 480px;
            min-width: 240px;
            position: relative;
        }

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

        .search-area input {
            width: 100%;
            height: 44px;
            border-radius: 999px;
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 0 20px 0 42px;
            font-family: var(--font-family);
            font-size: 14px;
            color: var(--text-primary);
            transition: var(--transition);
            outline: none;
        }

        .search-area input::placeholder {
            color: var(--text-secondary);
        }

        .search-area input:focus {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(31, 92, 139, 0.1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            padding: 6px 0;
            border-top: 1px solid var(--border);
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-categories a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-categories a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

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

        .nav-categories a.active:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }

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

        .mobile-menu-toggle:hover {
            background: var(--primary-light);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--section-bg);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

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

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

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

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

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

        /* Page Hero */
        .page-hero {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-lg) 0;
        }

        .page-hero .hero-content {
            max-width: 800px;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: var(--spacing-sm);
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

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

        /* Category Intro Section */
        .cat-intro-section {
            padding: var(--spacing-lg) 0;
        }

        .cat-intro-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31, 92, 139, 0.08);
        }

        .cat-intro-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin: 0 0 var(--spacing-sm) 0;
        }

        .cat-intro-card p:last-child {
            margin-bottom: 0;
        }

        .cat-stats-row {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border);
        }

        .cat-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cat-stat-item i {
            color: var(--primary);
            font-size: 16px;
        }

        .cat-stat-item strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        /* Feature Article */
        .feature-article-section {
            padding: var(--spacing-lg) 0;
        }

        .feature-article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31, 92, 139, 0.08);
        }

        .feature-article-body {
            padding: var(--spacing-lg);
        }

        .feature-article-tag {
            display: inline-block;
            background: var(--accent-orange);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: var(--spacing-sm);
        }

        .feature-article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.35;
        }

        .feature-article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .feature-article-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: var(--spacing-md) 0 var(--spacing-xs) 0;
        }

        .feature-article-body p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin: 0 0 var(--spacing-sm) 0;
        }

        .feature-article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--spacing-md) 0;
            font-style: normal;
            color: var(--text-body);
        }

        /* Post Cards */
        .posts-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
        }

        .posts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .post-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31, 92, 139, 0.08);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .post-card .post-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--section-bg);
        }

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

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

        .post-card .post-image .post-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-orange);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .post-card .post-image .post-badge.blue {
            background: var(--primary);
        }

        .post-card .post-image .post-badge.green {
            background: var(--accent-green);
        }

        .post-card .post-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-card .post-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.5;
        }

        .post-card .post-title a {
            color: var(--text-primary);
        }

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

        .post-card .post-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 var(--spacing-sm) 0;
            flex: 1;
        }

        .post-card .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-secondary);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border);
        }

        .post-card .post-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .post-card .post-meta .date i {
            font-size: 12px;
        }

        .post-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .post-card .read-more i {
            font-size: 11px;
            transition: transform 0.2s ease;
        }

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

        /* Small CTA Banner */
        .cta-banner-section {
            padding: var(--spacing-lg) 0;
        }

        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-banner .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 var(--spacing-xs) 0;
        }

        .cta-banner .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }

        .cta-banner .btn-orange {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
        }

        .faq-list {
            margin-top: var(--spacing-md);
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31, 92, 139, 0.08);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition);
        }

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

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

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 var(--spacing-lg);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin: 0;
        }

        /* CTA Form */
        .cta-form-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
        }

        .cta-form-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(31, 92, 139, 0.08);
        }

        .cta-form-card .form-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .cta-form-card .form-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-md) 0;
        }

        .cta-form-card .form-group {
            margin-bottom: var(--spacing-sm);
        }

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

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg);
            padding: 12px 16px;
            font-family: var(--font-family);
            font-size: 15px;
            color: var(--text-primary);
            transition: var(--transition);
            outline: none;
            appearance: none;
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(31, 92, 139, 0.1);
        }

        .cta-form-card textarea {
            resize: vertical;
            min-height: 120px;
        }

        .cta-form-card .privacy-hint {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: var(--spacing-sm);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: var(--spacing-xl) 0 var(--spacing-md) 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #FFFFFF;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 var(--spacing-sm) 0;
        }

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

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

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

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

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--footer-text);
            margin: 0;
        }

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

        .footer-bottom .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            color: var(--footer-link);
            font-size: 12px;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }

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

            .section-title {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .posts-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }

            .page-hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .grid-container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }

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

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

            .section-subtitle {
                font-size: 15px;
                margin-bottom: var(--spacing-md);
            }

            .header-inner {
                flex-wrap: wrap;
                gap: var(--spacing-sm);
                padding: 8px 0;
            }

            .logo-area {
                order: 1;
            }

            .header-actions {
                order: 2;
            }

            .search-area {
                order: 3;
                max-width: 100%;
                min-width: 100%;
                flex-basis: 100%;
            }

            .nav-categories {
                order: 4;
                gap: 2px;
                padding: 4px 0;
            }

            .nav-categories a {
                padding: 6px 12px;
                font-size: 13px;
            }

            .mobile-menu-toggle {
                display: flex;
                order: 2;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .posts-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-bottom {
                flex-direction: column;
                gap: var(--spacing-sm);
            }

            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md);
            }

            .feature-article-body {
                padding: var(--spacing-md);
            }

            .feature-article-body h2 {
                font-size: 20px;
            }

            .faq-question {
                padding: var(--spacing-sm) var(--spacing-md);
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 var(--spacing-md);
            }

            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-md) var(--spacing-sm) var(--spacing-md);
            }

            .cat-intro-card {
                padding: var(--spacing-md);
            }

            .cta-form-card {
                padding: var(--spacing-md);
            }
        }

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

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

            .page-hero h1 {
                font-size: 22px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

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

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .search-area input {
                height: 40px;
                font-size: 13px;
                padding-left: 36px;
            }

            .search-area .search-icon {
                left: 12px;
                font-size: 12px;
            }

            .cta-banner .cta-text h3 {
                font-size: 18px;
            }

            .cta-banner .cta-text p {
                font-size: 14px;
            }

            .post-card .post-body {
                padding: var(--spacing-sm);
            }

            .post-card .post-title {
                font-size: 15px;
            }

            .feature-article-body h3 {
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #1F5C8B;
        --primary-dark: #174A73;
        --primary-light: #EAF1F8;
        --accent-green: #2F9E6E;
        --accent-green-dark: #23825A;
        --accent-orange: #E98A2B;
        --accent-orange-dark: #C9711F;
        --bg: #F5F8FC;
        --card-bg: #FFFFFF;
        --section-bg: #EAF1F8;
        --text-primary: #14293D;
        --text-body: #2B3A49;
        --text-secondary: #5B6B7B;
        --border: #DDE6F0;
        --footer-bg: #17324A;
        --footer-text: #B8C8D9;
        --footer-link: #D5E2EE;
        --radius-sm: 10px;
        --radius-md: 14px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow-sm: 0 4px 12px rgba(28,60,91,0.06);
        --shadow-md: 0 8px 24px rgba(28,60,91,0.08);
        --shadow-lg: 0 14px 32px rgba(28,60,91,0.13);
        --shadow-hover: 0 18px 42px rgba(28,60,91,0.16);
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 64px;
        --spacing-xxl: 80px;
        --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --nav-height: 72px;
    }

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

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

    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-body);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

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

    a:hover,
    a:focus {
        color: var(--primary-dark);
        text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid var(--accent-orange);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .grid-container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    @media (min-width: 640px) {
        .grid-container {
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }
    }

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

    @media (max-width: 640px) {
        .section-pad {
            padding: var(--spacing-lg) 0;
        }
    }

    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: var(--spacing-sm);
        letter-spacing: -0.01em;
    }

    .section-title .highlight {
        color: var(--primary);
    }

    .section-subtitle {
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-secondary);
        max-width: 680px;
        margin-bottom: var(--spacing-lg);
    }

    @media (max-width: 640px) {
        .section-title {
            font-size: 22px;
        }
        .section-subtitle {
            font-size: 15px;
            margin-bottom: var(--spacing-md);
        }
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-family: var(--font-family);
        font-size: 15px;
        font-weight: 600;
        border-radius: 999px;
        padding: 12px 26px;
        line-height: 1.4;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        text-align: center;
        white-space: nowrap;
        user-select: none;
        text-decoration: none !important;
    }

    .btn-primary {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
    }

    .btn-secondary {
        background: transparent;
        color: var(--primary);
        border-color: var(--primary);
    }

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

    .btn-orange {
        background: var(--accent-orange);
        color: #FFFFFF;
        border-color: var(--accent-orange);
    }

    .btn-orange:hover,
    .btn-orange:focus {
        background: var(--accent-orange-dark);
        border-color: var(--accent-orange-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-green {
        background: var(--accent-green);
        color: #FFFFFF;
        border-color: var(--accent-green);
    }

    .btn-green:hover,
    .btn-green:focus {
        background: var(--accent-green-dark);
        border-color: var(--accent-green-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-sm {
        padding: 8px 18px;
        font-size: 14px;
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 12px rgba(28,60,91,0.05);
    }

    .header-main {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
        flex-wrap: wrap;
    }

    .header-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        flex-shrink: 0;
    }

    .header-logo a {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-primary);
    }

    .header-logo a:hover,
    .header-logo a:focus {
        color: var(--primary);
    }

    .header-logo-icon {
        color: var(--primary);
        font-size: 26px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--primary-light);
        border-radius: 50%;
        flex-shrink: 0;
    }

    .header-search {
        flex: 1;
        max-width: 520px;
        min-width: 200px;
        margin: 0 auto;
        order: 2;
        width: 100%;
    }

    .search-form {
        display: flex;
        align-items: center;
        background: #FFFFFF;
        border: 2px solid var(--border);
        border-radius: 999px;
        padding: 4px 4px 4px 16px;
        transition: var(--transition);
    }

    .search-form:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(31,92,139,0.12);
    }

    .search-form input {
        flex: 1;
        border: none;
        outline: none;
        font-family: var(--font-family);
        font-size: 15px;
        color: var(--text-primary);
        background: transparent;
        padding: 8px 0;
        min-width: 0;
    }

    .search-form input::placeholder {
        color: var(--text-secondary);
        font-size: 14px;
    }

    .search-form button {
        background: var(--primary);
        border: none;
        color: #FFFFFF;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition);
        flex-shrink: 0;
    }

    .search-form button:hover {
        background: var(--primary-dark);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    .nav-categories {
        display: flex;
        align-items: center;
        gap: 2px;
        padding: var(--spacing-xs) 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--border) transparent;
        flex-wrap: nowrap;
    }

    .nav-categories::-webkit-scrollbar {
        height: 4px;
    }

    .nav-categories::-webkit-scrollbar-track {
        background: transparent;
    }

    .nav-categories::-webkit-scrollbar-thumb {
        background: var(--border);
        border-radius: 999px;
    }

    .nav-categories a {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 999px;
        white-space: nowrap;
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .nav-categories a:hover {
        color: var(--primary);
        background: var(--primary-light);
    }

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

    .nav-categories a.active:hover {
        background: var(--primary-dark);
        color: #FFFFFF;
    }

    @media (max-width: 768px) {
        .header-main {
            flex-wrap: wrap;
            gap: 8px;
            padding: 12px 0;
        }
        .header-logo {
            font-size: 20px;
        }
        .header-logo-icon {
            width: 34px;
            height: 34px;
            font-size: 20px;
        }
        .header-search {
            order: 3;
            flex: 1 1 100%;
            max-width: 100%;
            margin: 4px 0 0;
            min-width: 100%;
        }
        .header-actions {
            margin-left: auto;
        }
        .header-actions .btn {
            padding: 8px 14px;
            font-size: 13px;
        }
        .nav-categories {
            gap: 0;
        }
        .nav-categories a {
            padding: 6px 12px;
            font-size: 13px;
        }
    }

    @media (max-width: 520px) {
        .header-logo {
            font-size: 18px;
        }
        .header-logo-icon {
            width: 30px;
            height: 30px;
            font-size: 16px;
        }
        .header-actions .btn {
            padding: 6px 10px;
            font-size: 12px;
            gap: 4px;
        }
        .search-form input {
            font-size: 14px;
        }
        .search-form button {
            width: 34px;
            height: 34px;
            font-size: 14px;
        }
    }

    /* ========== BREADCRUMB ========== */
    .breadcrumb-wrap {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        padding: 12px 0;
    }

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

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

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

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

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

    /* ========== CATEGORY HERO ========== */
    .category-hero {
        background: var(--primary-light);
        border-bottom: 1px solid var(--border);
        padding: var(--spacing-xl) 0;
        position: relative;
        overflow: hidden;
    }

    .category-hero::after {
        content: '';
        position: absolute;
        bottom: -60px;
        right: -40px;
        width: 320px;
        height: 320px;
        border: 2px solid rgba(31,92,139,0.08);
        border-radius: 50%;
        pointer-events: none;
    }

    .category-hero::before {
        content: '';
        position: absolute;
        top: -80px;
        left: -60px;
        width: 260px;
        height: 260px;
        border: 2px solid rgba(31,92,139,0.06);
        border-radius: 50%;
        pointer-events: none;
    }

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

    .category-hero h1 {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--text-primary);
        margin-bottom: var(--spacing-sm);
        letter-spacing: -0.01em;
    }

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

    .category-hero .hero-desc {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-body);
        max-width: 760px;
        margin-bottom: var(--spacing-md);
    }

    .hero-badge-row {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: #FFFFFF;
        border: 1px solid var(--border);
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
    }

    .hero-badge i {
        color: var(--primary);
        font-size: 12px;
    }

    @media (max-width: 768px) {
        .category-hero {
            padding: var(--spacing-lg) 0;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
        }
        .hero-badge {
            font-size: 12px;
            padding: 4px 10px;
        }
    }

    /* ========== STATS BAR ========== */
    .stats-bar {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        padding: var(--spacing-md) 0;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }

    .stat-block {
        padding: var(--spacing-sm);
        text-align: center;
        border-right: 1px solid var(--border);
    }

    .stat-block:last-child {
        border-right: none;
    }

    .stat-number {
        font-size: 42px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
        letter-spacing: -0.02em;
    }

    .stat-label {
        font-size: 14px;
        color: var(--text-secondary);
        margin-top: 4px;
    }

    .stat-trend {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        padding: 2px 8px;
        border-radius: 999px;
        margin-top: 6px;
        background: #F0FAF5;
        color: var(--accent-green);
    }

    .stat-trend.up {
        background: #FFF7EE;
        color: var(--accent-orange-dark);
    }

    .stat-trend .arrow {
        font-size: 10px;
        margin-right: 2px;
    }

    .stats-note {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        text-align: center;
        margin-top: var(--spacing-sm);
        padding: 0 var(--spacing-md);
        max-width: 820px;
        margin-left: auto;
        margin-right: auto;
    }

    @media (max-width: 768px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }
        .stat-block {
            border-right: none;
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-sm);
        }
        .stat-block:nth-child(2n) {
            border-right: none;
        }
        .stat-number {
            font-size: 32px;
        }
        .stats-note {
            font-size: 13px;
            padding: 0;
        }
    }

    /* ========== LONG-FORM ARTICLE ========== */
    .long-article-section {
        background: var(--bg);
    }

    .article-card {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
    }

    .article-image-wrap {
        border-radius: var(--radius-md);
        overflow: hidden;
        margin-bottom: var(--spacing-md);
    }

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

    .article-body h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.35;
        margin-bottom: var(--spacing-sm);
    }

    .article-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-xs);
    }

    .article-body p {
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-body);
        margin-bottom: var(--spacing-sm);
    }

    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: var(--primary-light);
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: var(--spacing-md) 0;
        font-style: italic;
        color: var(--text-primary);
    }

    .article-body ul {
        padding-left: 24px;
        margin-bottom: var(--spacing-sm);
    }

    .article-body ul li {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-body);
        margin-bottom: 6px;
    }

    @media (max-width: 768px) {
        .article-card {
            padding: var(--spacing-md);
        }
        .article-image-wrap img {
            height: 180px;
        }
        .article-body h2 {
            font-size: 20px;
        }
        .article-body p {
            font-size: 15px;
        }
    }

    /* ========== CONTENT CARDS LIST ========== */
    .content-list-section {
        background: var(--section-bg);
    }

    .content-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }

    .content-card {
        background: var(--card-bg);
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
        display: flex;
        flex-direction: column;
    }

    .content-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(31,92,139,0.25);
    }

    .content-card.featured {
        grid-column: span 2;
        flex-direction: row;
    }

    .content-card .card-cover {
        overflow: hidden;
        flex-shrink: 0;
        position: relative;
    }

    .content-card .card-cover img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        transition: transform 0.35s ease;
    }

    .content-card.featured .card-cover {
        width: 50%;
    }

    .content-card.featured .card-cover img {
        height: 100%;
        min-height: 220px;
        object-fit: cover;
    }

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

    .card-cover-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--primary);
        color: #FFFFFF;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: 0.02em;
    }

    .card-body {
        padding: var(--spacing-md);
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .card-date {
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 6px;
        font-variant-numeric: tabular-nums;
    }

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

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

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

    .card-excerpt {
        font-size: 14px;
        line-height: 1.75;
        color: var(--text-secondary);
        flex: 1;
        margin-bottom: var(--spacing-sm);
    }

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

    .card-link i {
        font-size: 12px;
        transition: transform 0.2s ease;
    }

    .card-link:hover {
        color: var(--primary-dark);
    }

    .card-link:hover i {
        transform: translateX(4px);
    }

    @media (max-width: 1024px) {
        .content-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .content-card.featured {
            grid-column: span 2;
        }
        .content-card.featured .card-cover img {
            height: 220px;
        }
    }

    @media (max-width: 768px) {
        .content-grid {
            grid-template-columns: 1fr;
        }
        .content-card.featured {
            grid-column: span 1;
            flex-direction: column;
        }
        .content-card.featured .card-cover {
            width: 100%;
        }
        .content-card.featured .card-cover img {
            height: 200px;
            min-height: auto;
        }
        .content-card .card-cover img {
            height: 160px;
        }
    }

    /* ========== CTA BANNER ========== */
    .cta-banner {
        background: var(--primary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        box-shadow: var(--shadow-md);
        position: relative;
        overflow: hidden;
    }

    .cta-banner::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20px;
        width: 240px;
        height: 240px;
        border: 3px solid rgba(255,255,255,0.1);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-banner::after {
        content: '';
        position: absolute;
        bottom: -70%;
        left: 20%;
        width: 300px;
        height: 300px;
        border: 2px solid rgba(255,255,255,0.06);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-banner-content {
        position: relative;
        z-index: 1;
        flex: 1;
        min-width: 200px;
    }

    .cta-banner-content h3 {
        font-size: 24px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 6px;
    }

    .cta-banner-content p {
        font-size: 15px;
        color: rgba(255,255,255,0.85);
        line-height: 1.7;
        margin-bottom: 0;
    }

    .cta-banner .btn {
        position: relative;
        z-index: 1;
        flex-shrink: 0;
        background: #FFFFFF;
        color: var(--primary);
        border-color: #FFFFFF;
    }

    .cta-banner .btn:hover {
        background: var(--primary-light);
        border-color: var(--primary-light);
        color: var(--primary-dark);
    }

    @media (max-width: 768px) {
        .cta-banner {
            flex-direction: column;
            text-align: center;
            padding: var(--spacing-md);
        }
        .cta-banner-content h3 {
            font-size: 20px;
        }
    }

    /* ========== FAQ ========== */
    .faq-section {
        background: #FFFFFF;
    }

    .accordion {
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .accordion-item {
        border-bottom: 1px solid var(--border);
    }

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

    .accordion-title {
        font-family: var(--font-family) !important;
        font-size: 16px !important;
        font-weight: 600 !important;
        color: var(--text-primary) !important;
        padding: 18px 24px !important;
        background: #FFFFFF !important;
        border: none !important;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        line-height: 1.5;
    }

    .accordion-title::after {
        content: '\f067';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 14px;
        color: var(--text-secondary);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .accordion-item.is-active .accordion-title::after {
        content: '\f068';
        color: var(--primary);
        transform: rotate(180deg);
    }

    .accordion-title:hover {
        background: var(--primary-light) !important;
        color: var(--primary) !important;
    }

    .accordion-title:focus {
        outline: 3px solid var(--accent-orange) !important;
        outline-offset: -2px;
    }

    .accordion-content {
        background: #FFFFFF !important;
        border: none !important;
        padding: 0 24px 18px !important;
        color: var(--text-body);
        font-size: 15px;
        line-height: 1.8;
    }

    .accordion-content p {
        margin-bottom: 0;
    }

    @media (max-width: 768px) {
        .accordion-title {
            font-size: 14px !important;
            padding: 14px 16px !important;
        }
        .accordion-content {
            padding: 0 16px 14px !important;
            font-size: 14px;
        }
    }

    /* ========== CTA FORM ========== */
    .cta-form-section {
        background: var(--section-bg);
    }

    .form-card {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-md);
    }

    .form-card h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
    }

    .form-card .form-subtitle {
        font-size: 15px;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-md);
    }

    .custom-form label {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 4px;
        display: block;
    }

    .custom-form input[type="text"],
    .custom-form input[type="email"],
    .custom-form input[type="tel"],
    .custom-form select,
    .custom-form textarea {
        font-family: var(--font-family);
        font-size: 15px;
        color: var(--text-primary);
        border: 2px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 10px 14px;
        background: #FFFFFF;
        width: 100%;
        transition: var(--transition);
        margin-bottom: var(--spacing-sm);
        box-sizing: border-box;
    }

    .custom-form input:focus,
    .custom-form select:focus,
    .custom-form textarea:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 4px rgba(31,92,139,0.10);
    }

    .custom-form textarea {
        min-height: 100px;
        resize: vertical;
    }

    .form-privacy-note {
        font-size: 12px;
        color: var(--text-secondary);
        margin-top: var(--spacing-sm);
        text-align: center;
    }

    @media (max-width: 768px) {
        .form-card {
            padding: var(--spacing-md);
        }
        .form-card h2 {
            font-size: 20px;
        }
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--footer-bg);
        color: var(--footer-text);
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: var(--spacing-sm);
    }

    .footer-logo-icon {
        color: var(--accent-orange);
        font-size: 22px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: rgba(233,138,43,0.15);
        border-radius: 50%;
    }

    .footer-col p {
        font-size: 14px;
        line-height: 1.8;
        color: var(--footer-text);
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: var(--spacing-sm);
    }

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

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

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

    .footer-col ul li a:hover {
        color: #FFFFFF;
        padding-left: 4px;
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
        border-top: 1px solid rgba(255,255,255,0.08);
    }

    .footer-bottom .copyright {
        font-size: 12px;
        color: var(--footer-text);
    }

    .footer-bottom .footer-links {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .footer-bottom .footer-links a {
        font-size: 12px;
        color: var(--footer-link);
    }

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

    .footer-bottom .footer-links .sep {
        color: rgba(255,255,255,0.25);
        font-size: 12px;
    }

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

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .footer-bottom .footer-links {
            flex-wrap: wrap;
            justify-content: center;
        }
    }

/* roulang page: category3 */
:root {
            --primary: #1F5C8B;
            --primary-dark: #174A73;
            --primary-light: #EAF1F8;
            --accent-green: #2F9E6E;
            --accent-green-dark: #23825A;
            --accent-orange: #E98A2B;
            --accent-orange-dark: #C9711F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF1F8;
            --text-primary: #14293D;
            --text-body: #2B3A49;
            --text-secondary: #5B6B7B;
            --border: #DDE6F0;
            --footer-bg: #17324A;
            --footer-text: #B8C8D9;
            --footer-link: #D5E2EE;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 4px 12px rgba(28,60,91,0.06);
            --shadow-md: 0 8px 24px rgba(28,60,91,0.08);
            --shadow-lg: 0 14px 32px rgba(28,60,91,0.13);
            --shadow-hover: 0 18px 42px rgba(28,60,91,0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
            --max-container: 1200px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: var(--max-container);
            margin: 0 auto;
            padding-left: var(--spacing-sm);
            padding-right: var(--spacing-sm);
        }

        @media (min-width: 640px) {
            .grid-container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .grid-container {
                padding-left: var(--spacing-lg);
                padding-right: var(--spacing-lg);
            }
        }

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

        @media (max-width: 640px) {
            .section-pad {
                padding: var(--spacing-lg) 0;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-title .highlight {
            color: var(--primary);
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: var(--spacing-md);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

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

        .btn-orange {
            background: var(--accent-orange);
            color: #FFFFFF;
            border-color: var(--accent-orange);
        }

        .btn-orange:hover,
        .btn-orange:focus {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-green {
            background: var(--accent-green);
            color: #FFFFFF;
            border-color: var(--accent-green);
        }

        .btn-green:hover,
        .btn-green:focus {
            background: var(--accent-green-dark);
            border-color: var(--accent-green-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-block {
            width: 100%;
        }

        .btn-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }

        /* ==================== Header / Navigation ==================== */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid rgba(31,92,139,0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(28,60,91,0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) 0;
            min-height: var(--nav-height);
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo:hover,
        .logo:focus {
            color: var(--primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 18px;
            flex-shrink: 0;
        }

        .header-search {
            flex: 1;
            max-width: 520px;
            min-width: 200px;
            position: relative;
        }

        .header-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 15px;
            pointer-events: none;
        }

        .header-search input {
            width: 100%;
            height: 46px;
            border-radius: 999px;
            border: 1.5px solid var(--border);
            background: var(--card-bg);
            padding: 0 48px 0 44px;
            font-family: var(--font-family);
            font-size: 15px;
            color: var(--text-primary);
            transition: var(--transition);
            outline: none;
        }

        .header-search input::placeholder {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31,92,139,0.12);
        }

        .header-search .search-btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: none;
            background: var(--primary);
            color: #FFFFFF;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .header-search .search-btn:hover {
            background: var(--primary-dark);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .nav-categories {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 8px 0 12px;
            border-top: 1px solid var(--border);
        }

        .nav-categories a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            gap: 4px;
        }

        .nav-categories a:hover,
        .nav-categories a:focus {
            background: var(--primary-light);
            color: var(--primary);
            border-color: rgba(31,92,139,0.15);
        }

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

        .nav-categories a.active:hover,
        .nav-categories a.active:focus {
            background: var(--primary-dark);
            color: #FFFFFF;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: var(--spacing-xs);
            }
            .logo {
                font-size: 19px;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }
            .header-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .menu-toggle {
                display: block;
            }
            .nav-categories {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                gap: 4px;
                padding: 8px 0;
                scrollbar-width: thin;
                scrollbar-color: var(--border) transparent;
            }
            .nav-categories::-webkit-scrollbar {
                height: 4px;
            }
            .nav-categories::-webkit-scrollbar-thumb {
                background: var(--border);
                border-radius: 4px;
            }
            .nav-categories a {
                white-space: nowrap;
                flex-shrink: 0;
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                gap: var(--spacing-xs);
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .logo {
                font-size: 17px;
                gap: 6px;
            }
            .header-actions .btn {
                padding: 6px 10px;
                font-size: 12px;
            }
        }

        /* ==================== Breadcrumb ==================== */
        .breadcrumb-wrap {
            background: transparent;
            padding: var(--spacing-md) 0 0;
        }

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

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

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

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

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

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

        /* ==================== Category Hero ==================== */
        .category-hero {
            padding: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .category-hero .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: var(--spacing-sm);
        }

        .category-hero .category-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 800px;
            margin: 0;
        }

        @media (max-width: 640px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .category-desc {
                font-size: 15px;
            }
        }

        /* ==================== Focus Article ==================== */
        .focus-article {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-lg);
            border: 1px solid rgba(31,92,139,0.06);
            margin-top: var(--spacing-md);
        }

        .focus-article .article-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            background: rgba(47,158,110,0.1);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .focus-article h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.35;
        }

        .focus-article .article-meta {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .focus-article .article-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        .focus-article .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .focus-article .article-body p {
            margin: 0 0 var(--spacing-md);
        }

        .focus-article .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }

        .focus-article .article-body ul {
            margin: 0 0 var(--spacing-md);
            padding-left: var(--spacing-md);
        }

        .focus-article .article-body li {
            margin-bottom: var(--spacing-xs);
            color: var(--text-body);
        }

        .focus-article .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: normal;
        }

        .focus-article .article-cover {
            margin: var(--spacing-md) 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }

        .focus-article .article-cover img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .focus-article .article-cover:hover img {
            transform: scale(1.03);
        }

        @media (max-width: 640px) {
            .focus-article {
                padding: var(--spacing-md);
            }
            .focus-article h2 {
                font-size: 18px;
            }
            .focus-article .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
        }

        /* ==================== Quick Guide Table ==================== */
        .quick-guide {
            margin-top: var(--spacing-lg);
        }

        .quick-guide .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: var(--spacing-sm);
        }

        .quick-guide .guide-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid rgba(31,92,139,0.06);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .quick-guide .guide-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .quick-guide .guide-item .guide-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: var(--spacing-xs);
            background: var(--primary-light);
            color: var(--primary);
        }

        .quick-guide .guide-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

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

        /* ==================== Content Cards ==================== */
        .content-list-section {
            margin-top: var(--spacing-lg);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .content-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(31,92,139,0.06);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31,92,139,0.2);
        }

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

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

        .content-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .content-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(31,92,139,0.9);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .content-card .card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-xs);
            line-height: 1.4;
        }

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

        .content-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xs);
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border);
        }

        .content-card .card-date {
            font-size: 12px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .content-card .card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Featured card */
        .content-card.featured {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .content-card.featured .card-cover {
            aspect-ratio: auto;
            height: 100%;
            min-height: 260px;
        }

        .content-card.featured .card-body {
            padding: var(--spacing-lg);
            justify-content: center;
        }

        .content-card.featured .card-title {
            font-size: 20px;
        }

        .content-card.featured .card-desc {
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .content-card.featured {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .content-card.featured .card-cover {
                min-height: 180px;
                aspect-ratio: 16/9;
            }
            .content-card.featured .card-body {
                padding: var(--spacing-md);
            }
            .content-card.featured .card-title {
                font-size: 17px;
            }
            .content-card .card-title {
                font-size: 16px;
            }
            .content-card .card-desc {
                font-size: 13px;
            }
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            background: var(--section-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }

        .faq-section .section-title {
            margin-bottom: var(--spacing-md);
        }

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

        .accordion-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-xs);
            border: 1px solid rgba(31,92,139,0.06);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .accordion-item.is-active {
            box-shadow: var(--shadow-md);
            border-color: rgba(31,92,139,0.15);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: var(--font-family);
            line-height: 1.5;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--primary);
        }

        .accordion-title .accordion-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-icon {
            background: var(--primary);
            color: #FFFFFF;
            transform: rotate(180deg);
        }

        .accordion-content {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-section {
                padding: var(--spacing-md);
            }
            .accordion-title {
                font-size: 14px;
                padding: var(--spacing-sm);
            }
            .accordion-content {
                padding: 0 var(--spacing-sm) var(--spacing-sm);
                font-size: 13px;
            }
        }

        /* ==================== CTA Banner ==================== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            pointer-events: none;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -50%;
            right: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(47,158,110,0.2);
            pointer-events: none;
        }

        .cta-banner .cta-text {
            flex: 1;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 var(--spacing-xs);
            line-height: 1.3;
        }

        .cta-banner .cta-text p {
            color: rgba(255,255,255,0.85);
            margin: 0;
            font-size: 15px;
            line-height: 1.6;
        }

        .cta-banner .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-banner .btn-orange {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
        }

        .cta-banner .btn-orange:hover {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
        }

        .cta-banner .btn-white-outline {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.6);
        }

        .cta-banner .btn-white-outline:hover {
            background: rgba(255,255,255,0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        @media (max-width: 640px) {
            .cta-banner {
                padding: var(--spacing-md);
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
            .cta-banner .cta-text h3 {
                font-size: 18px;
            }
            .cta-banner .cta-text p {
                font-size: 14px;
            }
            .cta-banner .cta-actions {
                width: 100%;
            }
            .cta-banner .cta-actions .btn {
                flex: 1;
                justify-content: center;
                padding: 10px 16px;
                font-size: 13px;
            }
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 15px;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul a {
            color: var(--footer-link);
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            margin: 2px 0;
            font-size: 12px;
            color: var(--footer-text);
        }

        .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--footer-link);
            font-size: 12px;
            transition: var(--transition);
        }

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

        .footer-links .divider {
            color: rgba(255,255,255,0.2);
            font-size: 12px;
        }

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

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
        }

        /* ==================== Additional Section Styles ==================== */
        .info-panel {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid rgba(31,92,139,0.06);
            box-shadow: var(--shadow-sm);
        }

        .info-panel .info-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-xs);
        }

        .info-panel .info-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: var(--spacing-xs);
        }

        .tag-group .tag {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 11px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .tag-group .tag:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        .divider-line {
            height: 1px;
            background: var(--border);
            margin: var(--spacing-lg) 0;
        }

        .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;
        }

/* roulang page: category4 */
:root {
        --primary: #1F5C8B;
        --primary-dark: #174A73;
        --primary-light: #EAF1F8;
        --accent-green: #2F9E6E;
        --accent-green-dark: #23825A;
        --accent-orange: #E98A2B;
        --accent-orange-dark: #C9711F;
        --bg: #F5F8FC;
        --card-bg: #FFFFFF;
        --section-bg: #EAF1F8;
        --text-primary: #14293D;
        --text-body: #2B3A49;
        --text-secondary: #5B6B7B;
        --border: #DDE6F0;
        --footer-bg: #17324A;
        --footer-text: #B8C8D9;
        --footer-link: #D5E2EE;
        --radius-sm: 10px;
        --radius-md: 14px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow-sm: 0 4px 12px rgba(28,60,91,0.06);
        --shadow-md: 0 8px 24px rgba(28,60,91,0.08);
        --shadow-lg: 0 14px 32px rgba(28,60,91,0.13);
        --shadow-hover: 0 18px 42px rgba(28,60,91,0.16);
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 64px;
        --spacing-xxl: 80px;
        --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --nav-height: 72px;
    }

    * {
        box-sizing: border-box;
    }

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

    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-body);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

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

    a:hover,
    a:focus {
        color: var(--primary-dark);
        text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid var(--accent-orange);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .grid-container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    @media (min-width: 1024px) {
        .grid-container {
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }
    }

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

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

    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: var(--spacing-sm);
        letter-spacing: -0.01em;
    }

    .section-title .highlight {
        color: var(--primary);
    }

    .section-subtitle {
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-secondary);
        max-width: 680px;
        margin-bottom: var(--spacing-lg);
    }

    @media (max-width: 768px) {
        .section-title {
            font-size: 22px;
        }
        .section-subtitle {
            font-size: 15px;
            margin-bottom: var(--spacing-md);
        }
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-family: var(--font-family);
        font-size: 15px;
        font-weight: 600;
        border-radius: 999px;
        padding: 12px 26px;
        line-height: 1.4;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        text-align: center;
        white-space: nowrap;
        user-select: none;
    }

    .btn-primary {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
    }

    .btn-secondary {
        background: transparent;
        color: var(--primary);
        border-color: var(--primary);
    }

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

    .btn-orange {
        background: var(--accent-orange);
        color: #FFFFFF;
        border-color: var(--accent-orange);
    }

    .btn-orange:hover,
    .btn-orange:focus {
        background: var(--accent-orange-dark);
        border-color: var(--accent-orange-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-green {
        background: var(--accent-green);
        color: #FFFFFF;
        border-color: var(--accent-green);
    }

    .btn-green:hover,
    .btn-green:focus {
        background: var(--accent-green-dark);
        border-color: var(--accent-green-dark);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-sm {
        padding: 8px 18px;
        font-size: 13px;
    }

    .btn-lg {
        padding: 14px 32px;
        font-size: 16px;
    }

    .top-bar {
        background: #FFFFFF;
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 12px rgba(28,60,91,0.08);
        height: auto;
        min-height: var(--nav-height);
        display: flex;
        align-items: center;
    }

    .nav-wrapper {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        padding: 12px 0;
        width: 100%;
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 22px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: -0.01em;
    }

    .nav-logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--primary);
        color: #FFFFFF;
        border-radius: 10px;
        font-size: 16px;
    }

    .nav-search {
        flex: 1;
        min-width: 200px;
        max-width: 520px;
        position: relative;
    }

    .nav-search input {
        width: 100%;
        border-radius: 999px;
        border: 2px solid var(--border);
        background: #FFFFFF;
        padding: 10px 20px 10px 42px;
        font-size: 14px;
        font-family: var(--font-family);
        color: var(--text-primary);
        transition: var(--transition);
        height: 42px;
        outline: none;
    }

    .nav-search input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(31,92,139,0.1);
    }

    .nav-search input::placeholder {
        color: #8A9BA8;
    }

    .nav-search-icon {
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        color: #8A9BA8;
        font-size: 14px;
        pointer-events: none;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .nav-join-btn {
        white-space: nowrap;
    }

    .nav-categories {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid var(--border);
    }

    .nav-categories a {
        display: inline-block;
        padding: 6px 14px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: transparent;
        transition: var(--transition);
        white-space: nowrap;
    }

    .nav-categories a:hover,
    .nav-categories a:focus {
        color: var(--primary);
        background: var(--primary-light);
    }

    .nav-categories a.active {
        color: #FFFFFF;
        background: var(--primary);
        font-weight: 600;
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: 2px solid var(--border);
        border-radius: 8px;
        padding: 8px 12px;
        font-size: 20px;
        color: var(--text-primary);
        cursor: pointer;
        transition: var(--transition);
        align-items: center;
        justify-content: center;
    }

    .nav-toggle:hover {
        background: var(--primary-light);
    }

    @media (max-width: 1024px) {
        .nav-wrapper {
            gap: var(--spacing-sm);
        }
        .nav-search {
            max-width: 100%;
            order: 3;
            flex-basis: 100%;
        }
        .nav-categories {
            order: 4;
        }
    }

    @media (max-width: 768px) {
        .nav-actions {
            display: none;
        }
        .nav-toggle {
            display: inline-flex;
        }
        .nav-categories {
            display: none;
            flex-direction: column;
            align-items: stretch;
            width: 100%;
        }
        .nav-categories.open {
            display: flex;
        }
        .nav-categories a {
            text-align: center;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
        }
        .nav-join-btn-mobile {
            display: inline-flex !important;
        }
    }

    .breadcrumb-bar {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border);
        padding: 12px 0;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-secondary);
        flex-wrap: wrap;
    }

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

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

    .breadcrumb .separator {
        color: #9AAEC2;
    }

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

    .category-hero {
        background: linear-gradient(135deg, #FFFFFF 0%, var(--section-bg) 100%);
        padding: var(--spacing-lg) 0;
        border-bottom: 1px solid var(--border);
    }

    .category-hero-inner {
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
        flex-wrap: wrap;
    }

    .category-hero-text {
        flex: 1;
        min-width: 280px;
    }

    .category-hero-text h1 {
        font-size: 32px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--text-primary);
        margin: 0 0 var(--spacing-sm);
        letter-spacing: -0.01em;
    }

    .category-hero-text p {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-secondary);
        margin: 0;
        max-width: 640px;
    }

    .category-hero-img {
        flex: 0 0 280px;
        max-width: 280px;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
    }

    .category-hero-img img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    @media (max-width: 768px) {
        .category-hero-text h1 {
            font-size: 24px;
        }
        .category-hero-img {
            flex-basis: 100%;
            max-width: 100%;
        }
        .category-hero-img img {
            height: 180px;
        }
    }

    .gear-intro {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
        margin-top: var(--spacing-md);
    }

    .gear-intro h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 var(--spacing-sm);
    }

    .gear-intro p {
        font-size: 15px;
        line-height: 1.9;
        color: var(--text-body);
        margin: 0 0 var(--spacing-sm);
    }

    .gear-intro .intro-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        margin-top: var(--spacing-sm);
    }

    .gear-intro .intro-tags span {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        background: var(--primary-light);
        color: var(--primary);
    }

    .long-article {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
        margin-top: var(--spacing-md);
    }

    .long-article h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 var(--spacing-md);
        line-height: 1.3;
    }

    .long-article h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin: var(--spacing-md) 0 var(--spacing-xs);
        line-height: 1.4;
    }

    .long-article p {
        font-size: 15px;
        line-height: 1.9;
        color: var(--text-body);
        margin: 0 0 var(--spacing-sm);
    }

    .long-article ul {
        margin: 0 0 var(--spacing-sm);
        padding-left: 20px;
    }

    .long-article ul li {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-body);
        margin-bottom: 6px;
    }

    .long-article blockquote {
        border-left: 4px solid var(--primary);
        background: var(--primary-light);
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: var(--spacing-sm) 0;
        font-size: 15px;
        color: var(--text-primary);
        line-height: 1.8;
    }

    .long-article .article-img {
        border-radius: var(--radius-md);
        overflow: hidden;
        margin: var(--spacing-sm) 0 var(--spacing-md);
    }

    .long-article .article-img img {
        width: 100%;
        height: 280px;
        object-fit: cover;
    }

    .gear-cards-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
    }

    @media (max-width: 1024px) {
        .gear-cards-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 640px) {
        .gear-cards-grid {
            grid-template-columns: 1fr;
        }
    }

    .gear-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid rgba(31,92,139,0.08);
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .gear-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(31,92,139,0.2);
    }

    .gear-card-img {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/10;
    }

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

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

    .gear-card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--accent-orange);
        color: #FFFFFF;
        font-size: 11px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: 0.02em;
    }

    .gear-card-badge.green {
        background: var(--accent-green);
    }

    .gear-card-badge.blue {
        background: var(--primary);
    }

    .gear-card-content {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .gear-card-content h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 8px;
        line-height: 1.4;
    }

    .gear-card-content p {
        font-size: 13px;
        line-height: 1.7;
        color: var(--text-secondary);
        margin: 0 0 12px;
        flex: 1;
    }

    .gear-card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: #8A9BA8;
        margin-bottom: 10px;
    }

    .gear-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }

    .gear-card-footer .btn {
        font-size: 12px;
        padding: 6px 14px;
    }

    .cta-banner {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        margin-top: var(--spacing-md);
    }

    .cta-banner h3 {
        font-size: 22px;
        font-weight: 700;
        margin: 0 0 6px;
        color: #FFFFFF;
    }

    .cta-banner p {
        font-size: 14px;
        margin: 0;
        color: rgba(255,255,255,0.85);
        max-width: 500px;
        line-height: 1.6;
    }

    .cta-banner .btn-orange {
        background: var(--accent-orange);
        border-color: var(--accent-orange);
    }

    .cta-banner .btn-orange:hover {
        background: var(--accent-orange-dark);
        border-color: var(--accent-orange-dark);
    }

    .faq-section {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
        margin-top: var(--spacing-md);
    }

    .faq-item {
        border-bottom: 1px solid var(--border);
    }

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

    .faq-question {
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        padding: 16px 0;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-family: var(--font-family);
        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(--primary-light);
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        transition: var(--transition);
    }

    .faq-question.active .faq-icon {
        background: var(--primary);
        color: #FFFFFF;
        transform: rotate(45deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        padding: 0;
    }

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

    .faq-answer p {
        font-size: 14px;
        line-height: 1.8;
        color: var(--text-secondary);
        margin: 0;
    }

    .form-section {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-md);
        margin-top: var(--spacing-md);
    }

    .form-section h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 6px;
    }

    .form-section .form-subtitle {
        font-size: 14px;
        color: var(--text-secondary);
        margin: 0 0 var(--spacing-md);
    }

    .form-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    @media (max-width: 640px) {
        .form-grid {
            grid-template-columns: 1fr;
        }
    }

    .form-field {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .form-field.full {
        grid-column: 1 / -1;
    }

    .form-field label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .form-field input,
    .form-field select,
    .form-field textarea {
        border-radius: var(--radius-sm);
        border: 2px solid var(--border);
        padding: 10px 14px;
        font-size: 14px;
        font-family: var(--font-family);
        color: var(--text-primary);
        background: #FFFFFF;
        transition: var(--transition);
        outline: none;
        width: 100%;
    }

    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(31,92,139,0.1);
    }

    .form-field textarea {
        min-height: 100px;
        resize: vertical;
    }

    .form-privacy {
        font-size: 12px;
        color: #8A9BA8;
        margin-top: var(--spacing-sm);
    }

    .site-footer {
        background: var(--footer-bg);
        color: var(--footer-text);
        padding: var(--spacing-xl) 0 var(--spacing-md);
        margin-top: var(--spacing-xl);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 640px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: var(--spacing-sm);
    }

    .footer-logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--primary);
        color: #FFFFFF;
        border-radius: 8px;
        font-size: 14px;
    }

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

    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #FFFFFF;
        margin: 0 0 var(--spacing-sm);
    }

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

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

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

    .footer-col ul li a:hover,
    .footer-col ul li a:focus {
        color: #FFFFFF;
    }

    .footer-bottom {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: var(--spacing-md);
    }

    .footer-links {
        display: flex;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }

    .footer-links a {
        color: var(--footer-link);
        font-size: 12px;
    }

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

    .footer-links span {
        color: rgba(255,255,255,0.3);
        font-size: 12px;
    }

    @media (max-width: 768px) {
        .footer-bottom {
            flex-direction: column;
            gap: var(--spacing-sm);
        }
    }

    .gear-timeline {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-sm);
        margin-top: var(--spacing-md);
    }

    .gear-timeline h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 var(--spacing-md);
    }

    .timeline-step {
        display: flex;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        align-items: flex-start;
    }

    .timeline-step:last-child {
        margin-bottom: 0;
    }

    .timeline-num {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--primary);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 16px;
    }

    .timeline-step h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 4px;
    }

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

/* roulang page: category6 */
/* ===== roulang design system ===== */
        :root {
            --primary: #1F5C8B;
            --primary-dark: #174A73;
            --primary-light: #EAF1F8;
            --accent-green: #2F9E6E;
            --accent-green-dark: #23825A;
            --accent-orange: #E98A2B;
            --accent-orange-dark: #C9711F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF1F8;
            --text-primary: #14293D;
            --text-body: #2B3A49;
            --text-secondary: #5B6B7B;
            --border: #DDE6F0;
            --footer-bg: #17324A;
            --footer-text: #B8C8D9;
            --footer-link: #D5E2EE;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 4px 12px rgba(28, 60, 91, 0.06);
            --shadow-md: 0 8px 24px rgba(28, 60, 91, 0.08);
            --shadow-lg: 0 14px 32px rgba(28, 60, 91, 0.13);
            --shadow-hover: 0 18px 42px rgba(28, 60, 91, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

        /* ===== reset & base ===== */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 var(--spacing-sm);
        }
        p {
            margin: 0 0 var(--spacing-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 15px;
        }

        /* ===== layout containers ===== */
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-sm);
            padding-right: var(--spacing-sm);
        }
        @media (min-width: 640px) {
            .grid-container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
        }
        @media (min-width: 1024px) {
            .grid-container {
                padding-left: var(--spacing-lg);
                padding-right: var(--spacing-lg);
            }
        }
        .section-pad {
            padding: var(--spacing-xl) 0;
        }
        @media (max-width: 639px) {
            .section-pad {
                padding: var(--spacing-lg) 0;
            }
        }

        /* ===== section titles ===== */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }
        .section-title .highlight {
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 639px) {
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: var(--spacing-md);
            }
        }

        /* ===== buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-orange {
            background: var(--accent-orange);
            color: #ffffff;
            border-color: var(--accent-orange);
        }
        .btn-orange:hover,
        .btn-orange:focus {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-green {
            background: var(--accent-green);
            color: #ffffff;
            border-color: var(--accent-green);
        }
        .btn-green:hover,
        .btn-green:focus {
            background: var(--accent-green-dark);
            border-color: var(--accent-green-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-block {
            width: 100%;
        }
        .btn:disabled,
        .btn.disabled {
            opacity: 0.55;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== badges & tags ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            line-height: 1.4;
            white-space: nowrap;
        }
        .badge-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-green {
            background: #e6f6ef;
            color: var(--accent-green-dark);
        }
        .badge-orange {
            background: #fdf2e5;
            color: var(--accent-orange-dark);
        }
        .badge-outline {
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-secondary);
        }

        /* ===== cards ===== */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-md);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 92, 139, 0.18);
        }
        .card-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
            transition: var(--transition);
        }
        .card:hover .card-cover img {
            transform: scale(1.03);
        }

        /* ===== header & nav ===== */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .site-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            min-height: var(--nav-height);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .brand-logo i {
            font-size: 24px;
            color: var(--accent-green);
        }
        .nav-search {
            flex: 1;
            max-width: 520px;
            min-width: 200px;
            position: relative;
        }
        .nav-search input {
            width: 100%;
            border-radius: 999px;
            border: 2px solid var(--border);
            background: var(--bg);
            padding: 10px 18px 10px 42px;
            font-size: 14px;
            color: var(--text-primary);
            transition: var(--transition);
            height: 44px;
        }
        .nav-search input::placeholder {
            color: var(--text-secondary);
            font-size: 13px;
        }
        .nav-search input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(31, 92, 139, 0.12);
            background: #ffffff;
        }
        .nav-search .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 14px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
        }
        .nav-categories {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 8px 0;
            align-items: center;
        }
        .nav-categories a {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-categories a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-categories a.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
        }
        .nav-categories a.active:hover {
            background: var(--primary-dark);
        }

        @media (max-width: 1023px) {
            .site-header-inner {
                flex-wrap: wrap;
                padding: 8px 0;
            }
            .brand-logo {
                order: 1;
            }
            .nav-toggle {
                display: block;
                order: 2;
            }
            .header-actions {
                order: 3;
            }
            .nav-search {
                order: 4;
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 4px;
            }
            .nav-categories {
                order: 5;
                flex-basis: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
            }
            .nav-categories::-webkit-scrollbar {
                height: 4px;
            }
            .nav-categories::-webkit-scrollbar-track {
                background: var(--bg);
            }
            .nav-categories::-webkit-scrollbar-thumb {
                background: var(--border);
                border-radius: 999px;
            }
        }
        @media (max-width: 639px) {
            .brand-logo {
                font-size: 17px;
            }
            .brand-logo i {
                font-size: 20px;
            }
            .nav-categories a {
                font-size: 13px;
                padding: 5px 10px;
            }
            .nav-search input {
                height: 40px;
                font-size: 13px;
                padding-left: 36px;
            }
            .nav-search .search-icon {
                left: 12px;
                font-size: 12px;
            }
        }

        /* ===== breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: var(--spacing-sm) 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 12px;
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== page header / hero ===== */
        .page-header {
            background: var(--section-bg);
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: var(--spacing-xl);
        }
        .page-header .page-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            line-height: 1.25;
        }
        @media (max-width: 639px) {
            .page-header .page-title {
                font-size: 24px;
            }
        }
        .page-header .page-summary {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ===== category intro section ===== */
        .cat-intro {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        .cat-intro h2 {
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }
        .cat-intro p {
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }
        .cat-intro p:last-child {
            margin-bottom: 0;
        }

        /* ===== featured long article ===== */
        .featured-article {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        .featured-article .article-tag {
            margin-bottom: var(--spacing-sm);
        }
        .featured-article h2 {
            font-size: 24px;
            margin-bottom: var(--spacing-sm);
        }
        .featured-article h3 {
            font-size: 18px;
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        .featured-article p {
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: var(--spacing-sm);
        }
        .featured-article ul {
            padding-left: var(--spacing-md);
            list-style: disc;
            margin-bottom: var(--spacing-sm);
        }
        .featured-article ul li {
            margin-bottom: 6px;
            line-height: 1.75;
        }
        .featured-article blockquote {
            border-left: 4px solid var(--accent-green);
            background: var(--primary-light);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: var(--spacing-sm) 0;
            font-style: italic;
            color: var(--text-primary);
        }
        .featured-article .article-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--spacing-md);
        }
        .featured-article .article-cover img {
            width: 100%;
            aspect-ratio: 21/9;
            object-fit: cover;
        }

        /* ===== content cards list ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
        }
        @media (max-width: 1023px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }
        .content-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 92, 139, 0.18);
        }
        .content-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--section-bg);
        }
        .content-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .content-card:hover .card-image img {
            transform: scale(1.04);
        }
        .content-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xs);
        }
        .content-card .card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .content-card h3 {
            font-size: 17px;
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }
        .content-card h3 a {
            color: var(--text-primary);
            transition: var(--transition);
        }
        .content-card h3 a:hover {
            color: var(--primary);
        }
        .content-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }
        .content-card .btn.read-more {
            align-self: flex-start;
            padding: 6px 14px;
            font-size: 13px;
            border-width: 1.5px;
        }
        .content-card.featured {
            grid-column: span 2;
            flex-direction: row;
        }
        @media (max-width: 1023px) {
            .content-card.featured {
                grid-column: span 2;
            }
        }
        @media (max-width: 639px) {
            .content-card.featured {
                grid-column: span 1;
                flex-direction: column;
            }
        }
        .content-card.featured .card-image {
            flex: 1 1 50%;
            aspect-ratio: auto;
            min-height: 260px;
        }
        .content-card.featured .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-card.featured .card-body {
            flex: 1 1 50%;
            padding: var(--spacing-lg);
        }
        .content-card.featured h3 {
            font-size: 20px;
        }
        @media (max-width: 639px) {
            .content-card.featured .card-image {
                min-height: 200px;
            }
            .content-card.featured .card-body {
                padding: var(--spacing-md);
            }
            .content-card.featured h3 {
                font-size: 17px;
            }
        }

        /* ===== CTA banner ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xl);
        }
        .cta-banner .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-banner h3 {
            color: #ffffff;
            font-size: 22px;
            margin-bottom: 6px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .cta-banner .cta-actions {
            display: flex;
            gap: var(--spacing-xs);
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .cta-banner .btn-orange {
            background: var(--accent-orange);
            border-color: var(--accent-orange);
        }
        .cta-banner .btn-orange:hover {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
        }
        .cta-banner .btn-white-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
        }
        .cta-banner .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
        }
        @media (max-width: 639px) {
            .cta-banner {
                padding: var(--spacing-md);
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-banner .cta-actions .btn {
                width: 100%;
            }
            .cta-banner h3 {
                font-size: 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: var(--spacing-xl);
        }
        .faq-list {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition);
            font-family: var(--font-family);
            line-height: 1.5;
        }
        .faq-question:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #ffffff;
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-answer p {
            margin-bottom: 0;
        }
        @media (max-width: 639px) {
            .faq-question {
                font-size: 14px;
                padding: var(--spacing-sm);
            }
            .faq-answer {
                font-size: 14px;
                padding: 0 var(--spacing-sm) var(--spacing-sm);
            }
        }

        /* ===== footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: var(--spacing-xl) 0 0;
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }
        .footer-col .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-xs);
        }
        .footer-col .footer-brand .footer-logo-icon {
            color: var(--accent-green);
            font-size: 20px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--footer-text);
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--footer-link);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: var(--spacing-md) 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .footer-bottom p {
            margin: 0;
            font-size: 12px;
            color: var(--footer-text);
            line-height: 1.6;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: var(--footer-link);
            font-size: 12px;
            transition: var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom .footer-links .divider {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        @media (max-width: 639px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer {
                padding-top: var(--spacing-lg);
            }
        }

        /* ===== misc utilities ===== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-sm {
            margin-bottom: var(--spacing-sm);
        }
        .mb-md {
            margin-bottom: var(--spacing-md);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .gap-sm {
            gap: var(--spacing-sm);
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .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;
        }

/* roulang page: category5 */
:root {
            --primary: #1F5C8B;
            --primary-dark: #174A73;
            --primary-light: #EAF1F8;
            --accent-green: #2F9E6E;
            --accent-green-dark: #23825A;
            --accent-orange: #E98A2B;
            --accent-orange-dark: #C9711F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF1F8;
            --text-primary: #14293D;
            --text-body: #2B3A49;
            --text-secondary: #5B6B7B;
            --border: #DDE6F0;
            --footer-bg: #17324A;
            --footer-text: #B8C8D9;
            --footer-link: #D5E2EE;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 4px 12px rgba(28, 60, 91, 0.06);
            --shadow-md: 0 8px 24px rgba(28, 60, 91, 0.08);
            --shadow-lg: 0 14px 32px rgba(28, 60, 91, 0.13);
            --shadow-hover: 0 18px 42px rgba(28, 60, 91, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--spacing-sm);
            padding-right: var(--spacing-sm);
        }

        @media (min-width: 640px) {
            .grid-container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
        }

        @media (min-width: 1024px) {
            .grid-container {
                padding-left: var(--spacing-lg);
                padding-right: var(--spacing-lg);
            }
        }

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

        @media (max-width: 639px) {
            .section-pad {
                padding: var(--spacing-lg) 0;
            }
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-title .highlight {
            color: var(--primary);
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        @media (max-width: 639px) {
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: var(--spacing-md);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-family);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 26px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

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

        .btn-orange {
            background: var(--accent-orange);
            color: #FFFFFF;
            border-color: var(--accent-orange);
        }

        .btn-orange:hover,
        .btn-orange:focus {
            background: var(--accent-orange-dark);
            border-color: var(--accent-orange-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-green {
            background: var(--accent-green);
            color: #FFFFFF;
            border-color: var(--accent-green);
        }

        .btn-green:hover,
        .btn-green:focus {
            background: var(--accent-green-dark);
            border-color: var(--accent-green-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-green {
            background: rgba(47, 158, 110, 0.12);
            color: var(--accent-green);
        }

        .badge-orange {
            background: rgba(233, 138, 43, 0.12);
            color: var(--accent-orange);
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 92, 139, 0.22);
        }

        .card-pad {
            padding: var(--spacing-md);
        }

        @media (max-width: 639px) {
            .card:hover {
                transform: none;
                box-shadow: var(--shadow-sm);
            }
        }

        /* Header / Nav */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(28, 60, 91, 0.05);
        }

        .header-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            min-height: var(--nav-height);
            flex-wrap: wrap;
            padding-top: var(--spacing-xs);
            padding-bottom: var(--spacing-xs);
        }

        .header-logo {
            flex-shrink: 0;
        }

        .header-logo a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .header-logo a i {
            color: var(--primary);
            font-size: 24px;
        }

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

        .header-search {
            flex: 1 1 auto;
            min-width: 200px;
            max-width: 520px;
            margin: 0 auto;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 16px;
            height: 42px;
            transition: var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31, 92, 139, 0.12);
            background: #FFFFFF;
        }

        .search-form i {
            color: var(--text-secondary);
            font-size: 15px;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .search-form input {
            border: none;
            background: transparent;
            flex: 1;
            font-family: var(--font-family);
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            height: 100%;
            padding: 0;
            min-width: 0;
        }

        .search-form input::placeholder {
            color: var(--text-secondary);
            opacity: 0.8;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .menu-toggle:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .nav-categories {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding: 0 var(--spacing-sm) var(--spacing-xs);
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .nav-categories::-webkit-scrollbar {
            height: 4px;
        }

        .nav-categories::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }

        .nav-categories a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 999px;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-categories a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-categories a.active {
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
        }

        .nav-categories a.active:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }

        @media (max-width: 1023px) {
            .header-container {
                flex-wrap: wrap;
            }
            .header-search {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin: var(--spacing-xs) 0 0;
            }
            .menu-toggle {
                display: flex;
                margin-left: auto;
            }
            .header-actions .btn {
                display: none;
            }
            .nav-categories {
                display: none;
                flex-wrap: nowrap;
                overflow-x: auto;
            }
            .nav-categories.mobile-open {
                display: flex;
            }
        }

        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
            .nav-categories {
                display: flex;
                flex-wrap: wrap;
                overflow-x: visible;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .breadcrumb-bar .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb-bar .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--border);
            font-size: 16px;
            margin-left: 4px;
        }

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

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

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

        /* Category Page Header */
        .cat-header {
            background: linear-gradient(135deg, var(--primary-light) 0%, #F5F8FC 65%);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            border-bottom: 1px solid var(--border);
        }

        .cat-header .cat-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .cat-header .cat-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        @media (max-width: 639px) {
            .cat-header .cat-title {
                font-size: 24px;
            }
            .cat-header .cat-sub {
                font-size: 14px;
            }
        }

        /* Category Description */
        .cat-desc {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md) var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .cat-desc p {
            margin: 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
        }

        .cat-desc .desc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            margin-top: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border);
        }

        /* Theme Long Article */
        .theme-article {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .theme-article .article-cover {
            height: 300px;
            background-size: cover;
            background-position: center;
            position: relative;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .theme-article .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 50, 74, 0.25) 0%, rgba(23, 50, 74, 0.45) 100%);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .theme-article .article-body {
            padding: var(--spacing-lg);
        }

        .theme-article .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }

        .theme-article .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .theme-article .article-body p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: var(--spacing-sm);
        }

        .theme-article .article-body ul {
            padding-left: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .theme-article .article-body ul li {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 6px;
        }

        @media (max-width: 639px) {
            .theme-article .article-cover {
                height: 180px;
            }
            .theme-article .article-body {
                padding: var(--spacing-md);
            }
            .theme-article .article-body h2 {
                font-size: 20px;
            }
        }

        /* Steps */
        .step-item {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            height: 100%;
            transition: var(--transition);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 92, 139, 0.22);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            flex-shrink: 0;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .step-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Featured Card */
        .featured-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .featured-card .featured-img {
            height: 280px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .featured-card .featured-body {
            padding: var(--spacing-md) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card .featured-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .featured-card .featured-body p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            flex: 1;
        }

        .featured-card .featured-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: var(--spacing-sm);
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: var(--spacing-sm);
        }

        .card-link i {
            transition: var(--transition);
        }

        .card-link:hover {
            color: var(--primary-dark);
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

        /* Content List Cards */
        .content-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 92, 139, 0.22);
        }

        .content-card .content-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .content-card .content-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .content-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .content-card .content-body p {
            font-size: 13px;
            line-height: 1.75;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: var(--spacing-xs);
        }

        .content-card .content-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border);
        }

        .content-card .content-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Venue Quick Look */
        .venue-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-md);
            height: 100%;
            transition: var(--transition);
        }

        .venue-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 92, 139, 0.22);
        }

        .venue-card .venue-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .venue-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

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

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .cta-banner .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-xs);
        }

        .cta-banner .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            max-width: 520px;
            line-height: 1.7;
        }

        .cta-banner .btn {
            flex-shrink: 0;
        }

        @media (max-width: 639px) {
            .cta-banner {
                padding: var(--spacing-md);
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .btn {
                width: 100%;
                justify-content: center;
            }
        }

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

        .faq-list .accordion-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: var(--spacing-xs);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-list .accordion-item:hover {
            border-color: rgba(31, 92, 139, 0.25);
        }

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

        .faq-list .accordion-title:hover {
            color: var(--primary);
        }

        .faq-list .accordion-title .fa-chevron-down {
            transition: var(--transition);
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .faq-list .accordion-item.is-active .accordion-title .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-list .accordion-content {
            padding: 0 20px 16px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            display: none;
        }

        .faq-list .accordion-item.is-active .accordion-content {
            display: block;
        }

        .faq-list .accordion-item.is-active {
            box-shadow: var(--shadow-md);
            border-color: rgba(31, 92, 139, 0.3);
        }

        /* Form */
        .form-section {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            border: 1px solid rgba(31, 92, 139, 0.08);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-lg);
        }

        .form-section .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            display: block;
        }

        .form-section input,
        .form-section select,
        .form-section textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-family: var(--font-family);
            font-size: 14px;
            color: var(--text-primary);
            background: #FFFFFF;
            transition: var(--transition);
            margin-bottom: var(--spacing-sm);
            outline: none;
            -webkit-appearance: none;
            appearance: none;
        }

        .form-section input:focus,
        .form-section select:focus,
        .form-section textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31, 92, 139, 0.12);
        }

        .form-section textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-section .privacy-hint {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .form-section .privacy-hint i {
            color: var(--accent-green);
        }

        @media (max-width: 639px) {
            .form-section {
                padding: var(--spacing-md);
            }
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

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

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

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

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

        .footer-col ul li a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: var(--footer-link);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-links a {
            font-size: 12px;
            color: var(--footer-link);
        }

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

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }
            .footer-links {
                justify-content: center;
            }
        }