/* roulang page: index */
:root {
            --primary: #2B5AA7;
            --primary-hover: #1E4A8A;
            --primary-light: #3E7BC9;
            --primary-bg: #EAF1FA;
            --primary-bg-light: #F4F7FC;
            --dark-navy: #1D3B5C;
            --dark-navy-2: #152D47;
            --text-main: #2C3E50;
            --text-weak: #6B7A8D;
            --text-light: #9AAFC5;
            --border: #D8E3F0;
            --border-light: #E5EDF6;
            --white: #FFFFFF;
            --accent-orange: #F5A623;
            --accent-green: #2BAE85;
            --shadow-sm: 0 2px 8px rgba(29, 59, 92, 0.06);
            --shadow-md: 0 4px 16px rgba(29, 59, 92, 0.08);
            --shadow-lg: 0 8px 24px rgba(29, 59, 92, 0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-img: 8px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.2s ease;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            background: var(--primary-bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-stack);
            color: var(--dark-navy);
            font-weight: 700;
            margin: 0 0 16px;
            line-height: 1.35;
        }

        h1 {
            font-size: 36px;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 26px;
            letter-spacing: -0.3px;
            position: relative;
            padding-left: 16px;
            margin-bottom: 28px;
        }

        h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        h3 {
            font-size: 18px;
            letter-spacing: -0.2px;
        }

        p {
            margin: 0 0 16px;
            color: var(--text-main);
        }

        .text-weak {
            color: var(--text-weak);
        }

        .text-small {
            font-size: 14px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: -16px 0 32px;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

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

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-light);
            transition: height var(--transition);
        }

        .site-header.scrolled .brand-bar {
            height: 40px;
        }

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

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .brand-actions .search-form {
            display: flex;
            align-items: center;
            background: var(--primary-bg-light);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition);
        }

        .brand-actions .search-form:focus-within {
            border-color: var(--primary-light);
        }

        .brand-actions .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-main);
            width: 140px;
            outline: none;
            padding: 4px 0;
            font-family: var(--font-stack);
        }

        .brand-actions .search-form .fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }

        .brand-actions .trend-chip {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .trend-chip:hover {
            background: var(--primary);
            color: var(--white);
        }

        .brand-actions .user-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .brand-actions .user-icon:hover {
            background: var(--primary);
            color: var(--white);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 0 24px;
            height: 44px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-bar .nav-link {
            font-size: 14px;
            color: var(--text-main);
            padding: 10px 18px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            font-weight: 500;
            transition: color var(--transition), border-color var(--transition);
            flex-shrink: 0;
        }

        .nav-bar .nav-link:hover {
            color: var(--primary);
        }

        .nav-bar .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--dark-navy);
            cursor: pointer;
            padding: 8px;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(180deg, var(--primary-bg-light) 0%, var(--white) 100%);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

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

        .hero-content h1 {
            font-size: 38px;
            margin-bottom: 20px;
            color: var(--dark-navy);
            line-height: 1.3;
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-stack);
            cursor: pointer;
            border: 2px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
            min-height: 44px;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

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

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            background: none;
            border: none;
            padding: 4px 0;
            cursor: pointer;
            position: relative;
            transition: opacity var(--transition);
            text-decoration: none;
        }

        .btn-text-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .btn-text-link:hover::after {
            width: 100%;
        }

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

        .hero-countdown {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
            background: var(--white);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 52px;
        }

        .countdown-item .cd-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark-navy);
            line-height: 1.2;
        }

        .countdown-item .cd-label {
            font-size: 11px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .countdown-sep {
            font-size: 20px;
            color: var(--text-light);
            font-weight: 700;
        }

        .hero-countdown .countdown-text {
            font-size: 13px;
            color: var(--text-weak);
            margin-left: 8px;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual .main-visual {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .hero-visual .main-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-visual .live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: #E74C3C;
            color: var(--white);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.5px;
        }

        .hero-visual .live-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--white);
            border-radius: 50%;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        .hero-visual .visual-caption {
            position: absolute;
            bottom: 12px;
            left: 12px;
            right: 12px;
            background: rgba(29, 59, 92, 0.85);
            color: var(--white);
            font-size: 13px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        /* ===== Metrics Dashboard ===== */
        .metrics-section {
            background: var(--white);
            padding: 32px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .metric-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .metric-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--dark-navy);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 8px;
        }

        .metric-trend {
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .metric-trend.up {
            color: var(--accent-green);
        }

        .metric-trend.down {
            color: var(--text-weak);
        }

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

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

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

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .card-body {
            padding: 20px 22px;
        }

        .card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--dark-navy);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .card-list {
            list-style: none;
            padding: 0;
            margin: 0 0 14px;
        }

        .card-list li {
            font-size: 13px;
            color: var(--text-weak);
            padding: 4px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .card-list li .fa-check {
            color: var(--accent-green);
            font-size: 12px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: var(--primary-bg);
            color: var(--primary);
            margin-right: 6px;
            margin-bottom: 6px;
            white-space: nowrap;
        }

        .tag-orange {
            background: #FFF3E0;
            color: #E67E22;
        }

        .tag-green {
            background: #E8F8F0;
            color: #27AE60;
        }

        .tag-dark {
            background: var(--dark-navy);
            color: var(--white);
        }

        /* ===== Comparison ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .comparison-card {
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 2px solid var(--border-light);
        }

        .comparison-card.old {
            background: #F9FAFB;
            border-color: #E0E6ED;
        }

        .comparison-card.new {
            background: var(--white);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .comparison-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card .cmp-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark-navy);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .comparison-card ul li {
            font-size: 14px;
            color: var(--text-main);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .comparison-card ul li .fa-xmark {
            color: #E74C3C;
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-card ul li .fa-check {
            color: var(--accent-green);
            font-size: 14px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-card .cmp-highlight {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 12px;
            letter-spacing: -0.5px;
        }

        /* ===== News ===== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition);
        }

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

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 56px;
            background: var(--primary-bg-light);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            flex-shrink: 0;
        }

        .news-date .day {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark-navy);
            line-height: 1.2;
        }

        .news-date .month {
            font-size: 12px;
            color: var(--text-weak);
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--dark-navy);
            line-height: 1.5;
        }

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

        /* ===== FAQ ===== */
        .faq-section .accordion {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .faq-section .accordion-item {
            background: var(--primary-bg-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }

        .faq-section .accordion-item.is-active {
            background: var(--white);
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
        }

        .faq-section .accordion-title {
            display: block;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark-navy);
            cursor: pointer;
            position: relative;
            padding-right: 48px;
            transition: color var(--transition);
        }

        .faq-section .accordion-title:hover {
            color: var(--primary);
        }

        .faq-section .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--primary);
            transition: transform var(--transition);
        }

        .faq-section .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .faq-section .accordion-content {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.8;
            display: none;
        }

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

        /* ===== CTA / Form ===== */
        .cta-section {
            background: var(--dark-navy);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .cta-section .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            padding: 40px 44px;
        }

        .cta-section h2 {
            color: var(--white);
            padding-left: 0;
            margin-bottom: 12px;
            font-size: 24px;
        }

        .cta-section h2::before {
            display: none;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .form-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
        }

        .form-card .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-navy);
            margin-bottom: 18px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-stack);
            color: var(--text-main);
            background: var(--white);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(62, 123, 201, 0.12);
        }

        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-navy-2);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: 0;
        }

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

        .footer-brand .brand-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand .brand-name .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--white);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            color: var(--white);
            margin-bottom: 14px;
            font-weight: 600;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-col .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-col .subscribe-box input {
            flex: 1;
            padding: 8px 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-size: 13px;
            outline: none;
            font-family: var(--font-stack);
        }

        .footer-col .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-col .subscribe-box .btn-subscribe {
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            font-family: var(--font-stack);
            transition: background var(--transition);
            white-space: nowrap;
        }

        .footer-col .subscribe-box .btn-subscribe:hover {
            background: var(--primary-hover);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

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

        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .cta-section .cta-inner {
                grid-template-columns: 1fr;
                padding: 28px 24px;
            }

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

            .section-pad {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .brand-bar {
                padding: 0 16px;
            }

            .nav-bar {
                padding: 0 8px;
                gap: 0;
            }

            .nav-bar .nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }

            .brand-actions .search-form input {
                width: 80px;
            }

            .brand-actions .trend-chip {
                display: none;
            }

            .card-grid-3,
            .card-grid-2,
            .metrics-grid {
                grid-template-columns: 1fr;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .section-pad {
                padding: 44px 0;
            }

            .hero-section {
                padding: 32px 0 40px;
            }

            .hero-visual .main-visual img {
                height: 200px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }

            .footer-bottom .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }

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

            .nav-bar.mobile-open {
                display: flex;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-content h1 {
                font-size: 24px;
            }

            .hero-content .hero-subtitle {
                font-size: 15px;
            }

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-group .btn {
                width: 100%;
            }

            .hero-countdown {
                flex-wrap: wrap;
                justify-content: center;
            }

            .countdown-item .cd-number {
                font-size: 20px;
            }

            .news-item {
                flex-direction: column;
                gap: 10px;
            }

            .news-date {
                min-width: auto;
                flex-direction: row;
                gap: 6px;
                align-items: baseline;
                padding: 4px 10px;
            }

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

            .brand-logo {
                font-size: 17px;
                gap: 6px;
            }

            .brand-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }

            .section-subtitle {
                font-size: 14px;
            }
        }

        /* ===== Deep Content / Brand ===== */
        .deep-content {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 20px;
        }

        .deep-content h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark-navy);
        }

        .deep-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .brand-intro {
            background: var(--primary-bg-light);
            border-radius: var(--radius-md);
            padding: 32px 36px;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .brand-intro h2 {
            padding-left: 0;
            margin-bottom: 16px;
        }

        .brand-intro h2::before {
            display: none;
        }

        .brand-intro p {
            font-size: 15px;
            line-height: 1.9;
            max-width: 800px;
            margin: 0 auto;
            color: var(--text-main);
        }

        /* ===== Hot Picks / Membership ===== */
        .hot-picks-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }

        .hot-pick-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 180px;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .hot-pick-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .hot-pick-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
            position: absolute;
            top: 0;
            left: 0;
        }

        .hot-pick-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 18px;
            background: linear-gradient(180deg, transparent 0%, rgba(29, 59, 92, 0.9) 100%);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        .hot-pick-card .overlay h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 4px;
        }

        .hot-pick-card .overlay .hot-badge {
            display: inline-block;
            background: #E74C3C;
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 10px;
            margin-bottom: 6px;
        }

        .hot-pick-card .overlay p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            line-height: 1.5;
        }

        .membership-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .membership-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .membership-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .membership-item .m-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .membership-item h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark-navy);
            margin-bottom: 6px;
        }

        .membership-item p {
            font-size: 12px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Timeline ===== */
        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }

        .timeline-list::before {
            content: "";
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }

        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 14px 0;
            position: relative;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            margin-top: 6px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 4px var(--primary-bg-light);
        }

        .timeline-content {
            flex: 1;
        }

        .timeline-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark-navy);
            margin-bottom: 4px;
        }

        .timeline-content p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        .timeline-content .tl-time {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        /* Misc utilities */
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .text-accent {
            color: var(--primary);
        }
        .fw-600 {
            font-weight: 600;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .w-100 {
            width: 100%;
        }

/* roulang page: category1 */
:root {
            --primary: #2B5AA7;
            --primary-hover: #1E4A8A;
            --primary-light: #3E7BC9;
            --primary-bg: #EAF1FA;
            --primary-bg-light: #F4F7FC;
            --dark-navy: #1D3B5C;
            --dark-navy-2: #152D47;
            --text-main: #2C3E50;
            --text-weak: #6B7A8D;
            --text-light: #9AAFC5;
            --border: #D8E3F0;
            --border-light: #E5EDF6;
            --white: #FFFFFF;
            --accent-orange: #F5A623;
            --accent-green: #2BAE85;
            --shadow-sm: 0 2px 8px rgba(29, 59, 92, 0.06);
            --shadow-md: 0 4px 16px rgba(29, 59, 92, 0.08);
            --shadow-lg: 0 8px 24px rgba(29, 59, 92, 0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-img: 8px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.2s ease;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            background: var(--primary-bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .text-weak {
            color: var(--text-weak);
        }

        .text-small {
            font-size: 14px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: -16px 0 32px;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

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

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-light);
            transition: height var(--transition);
        }

        .site-header.scrolled .brand-bar {
            height: 40px;
        }

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

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .brand-actions .search-form {
            display: flex;
            align-items: center;
            background: var(--primary-bg-light);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition);
        }

        .brand-actions .search-form:focus-within {
            border-color: var(--primary-light);
        }

        .brand-actions .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-main);
            width: 140px;
            outline: none;
            padding: 4px 0;
            font-family: var(--font-stack);
        }

        .brand-actions .search-form .fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }

        .brand-actions .trend-chip {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            display: inline-block;
        }

        .brand-actions .trend-chip:hover {
            background: var(--primary);
            color: var(--white);
        }

        .brand-actions .user-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .user-icon:hover {
            background: var(--primary);
            color: var(--white);
        }

        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 44px;
            transition: height var(--transition);
        }

        .site-header.scrolled .nav-row {
            height: 40px;
        }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg-light);
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: var(--primary-bg-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-main);
            font-size: 18px;
            transition: background var(--transition), color var(--transition);
        }

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

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--primary-bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }

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

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

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

        .breadcrumb .separator {
            color: var(--text-light);
            font-size: 10px;
        }

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

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--primary-bg-light) 50%, #E8F0F8 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(43, 90, 167, 0.06);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(245, 166, 35, 0.05);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 680px;
            line-height: 1.85;
            margin: 0;
        }

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

        .category-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .article-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            gap: 20px;
            padding: 20px;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .article-thumb {
            width: 220px;
            min-height: 150px;
            flex-shrink: 0;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: var(--primary-bg-light);
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-img);
        }

        .article-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .article-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-date .fa-calendar {
            font-size: 12px;
            color: var(--text-light);
        }

        .article-tag {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 500;
            display: inline-block;
        }

        .article-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0;
            line-height: 1.45;
            letter-spacing: 0.2px;
        }

        .article-title a {
            color: var(--dark-navy);
        }

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

        .article-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-readmore {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            transition: color var(--transition), gap var(--transition);
        }

        .article-readmore .fa-arrow-right {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .article-readmore:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        .article-readmore:hover .fa-arrow-right {
            transform: translateX(3px);
        }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 100px;
        }

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

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }

        .sidebar-card h3 .fa-fire,
        .sidebar-card h3 .fa-tags,
        .sidebar-card h3 .fa-bookmark {
            color: var(--accent-orange);
            font-size: 16px;
        }

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

        .hot-tag {
            font-size: 13px;
            background: var(--primary-bg-light);
            color: var(--text-main);
            padding: 5px 12px;
            border-radius: 16px;
            border: 1px solid var(--border-light);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            display: inline-block;
        }

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

        .hot-tag.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .recommend-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .recommend-item {
            display: flex;
            gap: 10px;
            align-items: center;
            transition: transform var(--transition);
        }

        .recommend-item:hover {
            transform: translateX(3px);
        }

        .recommend-item .rec-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .recommend-item .rec-num.top {
            background: var(--accent-orange);
            color: var(--white);
        }

        .recommend-item .rec-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
            font-weight: 500;
        }

        .recommend-item .rec-text:hover {
            color: var(--primary);
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 12px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            background: var(--white);
            transition: box-shadow var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-navy);
            background: var(--primary-bg-light);
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition), color var(--transition);
            font-family: var(--font-stack);
            line-height: 1.5;
        }

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

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 16px 20px 20px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            background: var(--white);
        }

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

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-navy-2) 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(43, 90, 167, 0.2);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(245, 166, 35, 0.1);
            pointer-events: none;
        }

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

        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 28px;
            color: var(--white);
            margin: 0 0 12px;
            font-weight: 700;
            line-height: 1.4;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 24px;
            line-height: 1.8;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            font-family: var(--font-stack);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(30, 74, 138, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            font-family: var(--font-stack);
            letter-spacing: 0.3px;
            margin-left: 10px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-navy-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .brand-name .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 14px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            color: var(--white);
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color var(--transition);
        }

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

        .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .subscribe-box input {
            flex: 1;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.05);
            color: var(--white);
            font-size: 13px;
            transition: border-color var(--transition);
            font-family: var(--font-stack);
            outline: none;
            min-width: 0;
        }

        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .subscribe-box input:focus {
            border-color: var(--primary-light);
        }

        .btn-subscribe {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
            font-family: var(--font-stack);
        }

        .btn-subscribe:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color var(--transition);
        }

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

        /* ===== Section Headings ===== */
        .section-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0;
            line-height: 1.4;
            position: relative;
            padding-left: 14px;
        }

        .section-heading h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-heading .heading-line {
            flex: 1;
            height: 1px;
            background: var(--border-light);
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: var(--white);
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            font-family: var(--font-stack);
        }

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

        .page-btn.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .page-btn .fa-chevron-left,
        .page-btn .fa-chevron-right {
            font-size: 12px;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .article-thumb {
                width: 180px;
                min-height: 130px;
            }

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

        @media screen and (max-width: 768px) {
            .brand-actions .search-form input {
                width: 80px;
            }

            .brand-actions .trend-chip {
                display: none;
            }

            .nav-row {
                padding: 0 16px;
                height: 40px;
            }

            .brand-bar {
                padding: 0 16px;
                height: 44px;
            }

            .nav-link {
                font-size: 13px;
                padding: 5px 10px;
            }

            .article-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }

            .article-thumb {
                width: 100%;
                min-height: 180px;
                height: auto;
            }

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

            .category-hero {
                padding: 36px 0 30px;
            }

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

            .cta-section {
                padding: 40px 0;
            }

            .cta-content h2 {
                font-size: 22px;
            }

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

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

            .pagination {
                gap: 5px;
            }

            .page-btn {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 520px) {
            .brand-actions .search-form {
                display: none;
            }

            .brand-actions .user-icon {
                display: flex;
            }

            .nav-row {
                padding: 0 8px;
                overflow-x: auto;
            }

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

            .nav-link {
                padding: 5px 9px;
                font-size: 12px;
            }

            .brand-bar {
                padding: 0 12px;
                height: 40px;
            }

            .brand-logo {
                font-size: 17px;
                gap: 6px;
            }

            .brand-logo .logo-mark {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }

            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }

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

            .hero-desc {
                font-size: 14px;
            }

            .article-thumb {
                min-height: 150px;
            }

            .article-title {
                font-size: 16px;
            }

            .article-meta {
                font-size: 12px;
                gap: 8px;
            }

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

            .cta-content h2 {
                font-size: 19px;
            }

            .btn-primary,
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 14px;
            }

            .btn-outline-light {
                margin-left: 0;
                margin-top: 8px;
            }

            .section-heading h2 {
                font-size: 20px;
                padding-left: 10px;
            }

            .section-heading h2::before {
                width: 3px;
                height: 18px;
            }

            .faq-question {
                font-size: 14px;
                padding: 13px 15px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 13px 15px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2B5AA7;
            --primary-hover: #1E4A8A;
            --primary-light: #3E7BC9;
            --primary-bg: #EAF1FA;
            --primary-bg-light: #F4F7FC;
            --dark-navy: #1D3B5C;
            --dark-navy-2: #152D47;
            --text-main: #2C3E50;
            --text-weak: #6B7A8D;
            --text-light: #9AAFC5;
            --border: #D8E3F0;
            --border-light: #E5EDF6;
            --white: #FFFFFF;
            --accent-orange: #F5A623;
            --accent-green: #2BAE85;
            --shadow-sm: 0 2px 8px rgba(29, 59, 92, 0.06);
            --shadow-md: 0 4px 16px rgba(29, 59, 92, 0.08);
            --shadow-lg: 0 8px 24px rgba(29, 59, 92, 0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-img: 8px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.2s ease;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            background: var(--primary-bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .text-weak {
            color: var(--text-weak);
        }

        .text-small {
            font-size: 14px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: -16px 0 32px;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

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

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-light);
            transition: height var(--transition);
        }

        .site-header.scrolled .brand-bar {
            height: 40px;
        }

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

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .brand-actions .search-form {
            display: flex;
            align-items: center;
            background: var(--primary-bg-light);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition);
        }

        .brand-actions .search-form:focus-within {
            border-color: var(--primary-light);
        }

        .brand-actions .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-main);
            width: 140px;
            outline: none;
            padding: 4px 0;
            font-family: var(--font-stack);
        }

        .brand-actions .search-form .fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }

        .brand-actions .trend-chip {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .trend-chip:hover {
            background: var(--primary);
            color: var(--white);
        }

        .brand-actions .user-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .user-icon:hover {
            background: var(--primary);
            color: var(--white);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 4px;
            padding: 0 24px;
            height: 44px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-bar .nav-link {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            position: relative;
            flex-shrink: 0;
        }

        .nav-bar .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg-light);
        }

        .nav-bar .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }

        .nav-bar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        /* Mobile hamburger */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--dark-navy);
            font-size: 20px;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

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

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--border);
            font-size: 11px;
        }

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

        /* ===== Hero Section ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--primary-bg-light) 60%, var(--white) 100%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(43, 90, 167, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 640px;
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            background: var(--white);
            padding: 8px 16px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .hero-stat-item .stat-icon {
            color: var(--primary);
            font-size: 14px;
        }

        .hero-stat-item strong {
            color: var(--dark-navy);
            font-weight: 700;
        }

        /* ===== Section Headers ===== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0;
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }

        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-header .section-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .section-header .section-link:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

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

        .featured-card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .featured-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--primary-bg);
        }

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

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

        .featured-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .featured-card .card-badge.hot {
            background: var(--accent-orange);
        }

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

        .featured-card .card-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .featured-card .card-date {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .featured-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark-navy);
            line-height: 1.5;
            margin: 0;
        }

        .featured-card .card-title a {
            color: var(--dark-navy);
            transition: color var(--transition);
        }

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

        .featured-card .card-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin: 0;
        }

        .featured-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-top: auto;
            padding-top: 8px;
        }

        .featured-card .card-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Guide List Section ===== */
        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

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

        .guide-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            display: flex;
            gap: 20px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .guide-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }

        .guide-item .guide-date-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            min-width: 56px;
            background: var(--primary-bg-light);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
            height: fit-content;
        }

        .guide-item .guide-date-day {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .guide-item .guide-date-month {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .guide-item .guide-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .guide-item .guide-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .guide-item .guide-tag {
            font-size: 11px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
            white-space: nowrap;
        }

        .guide-item .guide-tag.orange {
            background: #FFF5E6;
            color: #D4880F;
        }

        .guide-item .guide-tag.green {
            background: #E8F7F1;
            color: #1E8A63;
        }

        .guide-item .guide-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark-navy);
            line-height: 1.5;
            margin: 0;
        }

        .guide-item .guide-title a {
            color: var(--dark-navy);
            transition: color var(--transition);
        }

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

        .guide-item .guide-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin: 0;
        }

        .guide-item .read-more {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            transition: gap var(--transition), color var(--transition);
            margin-top: 4px;
            align-self: flex-start;
        }

        .guide-item .read-more:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        .guide-item .read-more::after {
            content: '\f061';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 11px;
        }

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

        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
        }

        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .sidebar-widget h3::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

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

        .trend-tags a {
            font-size: 12px;
            background: var(--primary-bg-light);
            color: var(--text-weak);
            padding: 6px 14px;
            border-radius: 16px;
            transition: background var(--transition), color var(--transition);
            border: 1px solid var(--border-light);
        }

        .trend-tags a:hover {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .hot-rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
        }

        .hot-rank-list .rank-number {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-rank-list .rank-number.top1 {
            background: var(--accent-orange);
            color: var(--white);
        }

        .hot-rank-list .rank-number.top2 {
            background: #6B7A8D;
            color: var(--white);
        }

        .hot-rank-list .rank-number.top3 {
            background: #C08A4E;
            color: var(--white);
        }

        .hot-rank-list a {
            color: var(--text-main);
            transition: color var(--transition);
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .hot-rank-list a:hover {
            color: var(--primary);
        }

        .sidebar-recommend {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-recommend .rec-item {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .sidebar-recommend .rec-thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-bg);
        }

        .sidebar-recommend .rec-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .sidebar-recommend .rec-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-recommend .rec-title {
            font-size: 13px;
            font-weight: 500;
            color: var(--dark-navy);
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: block;
        }

        .sidebar-recommend .rec-title:hover {
            color: var(--primary);
        }

        .sidebar-recommend .rec-date {
            font-size: 11px;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* ===== Steps Section ===== */
        .steps-section {
            background: var(--dark-navy);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .steps-section .steps-content {
            position: relative;
            z-index: 1;
        }

        .steps-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
        }

        .steps-section .steps-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

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

        .step-item .step-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 20px;
            transition: background var(--transition);
        }

        .step-item:hover .step-icon {
            background: rgba(255, 255, 255, 0.2);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin: 0;
            line-height: 1.4;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ Section ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

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

        .faq-item.active {
            border-color: var(--primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-navy);
            text-align: left;
            gap: 16px;
            transition: background var(--transition);
        }

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

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

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

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            display: none;
        }

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

        .faq-answer p {
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary-bg);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(43, 90, 167, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-text {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 8px;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.7;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-stack);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: none;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--white);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-bg-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--primary-hover);
        }

        .btn-subscribe {
            background: var(--primary);
            color: var(--white);
            font-family: var(--font-stack);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: none;
            transition: background var(--transition);
            white-space: nowrap;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-navy);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand .brand-name .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 16px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-col .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .footer-col .subscribe-box input {
            flex: 1;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 13px;
            color: var(--white);
            font-family: var(--font-stack);
            outline: none;
            transition: border-color var(--transition);
            min-width: 0;
        }

        .footer-col .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-col .subscribe-box input:focus {
            border-color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

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

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guide-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

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

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

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

            .container {
                padding: 0 16px;
            }

            .brand-bar {
                padding: 0 16px;
            }

            .brand-actions .search-form input {
                width: 80px;
            }

            .brand-actions .trend-chip {
                display: none;
            }

            .nav-bar {
                padding: 0 12px;
                gap: 2px;
            }

            .nav-bar .nav-link {
                padding: 0 12px;
                font-size: 13px;
            }

            .category-hero {
                padding: 36px 0 32px;
            }

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

            .hero-stats {
                gap: 12px;
            }

            .section-header h2 {
                font-size: 22px;
                padding-left: 12px;
            }

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

            .guide-layout {
                grid-template-columns: 1fr;
            }

            .sidebar-col {
                order: 2;
            }

            .guide-list-col {
                order: 1;
            }

            .guide-item {
                padding: 16px;
                gap: 14px;
                flex-direction: column;
            }

            .guide-item .guide-date-block {
                flex-direction: row;
                gap: 6px;
                padding: 6px 12px;
                align-items: baseline;
                min-width: auto;
                width: fit-content;
            }

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

            .steps-section {
                padding: 32px 24px;
            }

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

            .cta-section {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }

            .cta-section .cta-actions {
                justify-content: center;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .brand-bar {
                height: 44px;
            }

            .brand-logo {
                font-size: 17px;
                gap: 8px;
            }

            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

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

            .brand-actions .user-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .nav-bar .nav-link {
                font-size: 12px;
                padding: 0 10px;
            }

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

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .hero-stat-item {
                font-size: 11px;
                padding: 6px 12px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .guide-item .guide-title {
                font-size: 15px;
            }

            .steps-section h2 {
                font-size: 22px;
            }

            .cta-section h2 {
                font-size: 20px;
            }

            .cta-section .btn {
                width: 100%;
            }

            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }

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

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2B5AA7;
            --primary-hover: #1E4A8A;
            --primary-light: #3E7BC9;
            --primary-bg: #EAF1FA;
            --primary-bg-light: #F4F7FC;
            --dark-navy: #1D3B5C;
            --dark-navy-2: #152D47;
            --text-main: #2C3E50;
            --text-weak: #6B7A8D;
            --text-light: #9AAFC5;
            --border: #D8E3F0;
            --border-light: #E5EDF6;
            --white: #FFFFFF;
            --accent-orange: #F5A623;
            --accent-green: #2BAE85;
            --shadow-sm: 0 2px 8px rgba(29, 59, 92, 0.06);
            --shadow-md: 0 4px 16px rgba(29, 59, 92, 0.08);
            --shadow-lg: 0 8px 24px rgba(29, 59, 92, 0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-img: 8px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.2s ease;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            background: var(--primary-bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .section-pad-xs {
            padding: 32px 0;
        }

        .text-weak {
            color: var(--text-weak);
        }

        .text-small {
            font-size: 14px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: -8px 0 36px;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

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

        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 8px;
            padding-left: 14px;
            position: relative;
            line-height: 1.4;
        }

        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-light);
            transition: height var(--transition);
        }

        .site-header.scrolled .brand-bar {
            height: 40px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--dark-navy);
            white-space: nowrap;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .brand-logo:hover .logo-mark {
            background: var(--primary-hover);
        }

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

        .brand-actions .search-form {
            display: flex;
            align-items: center;
            background: var(--primary-bg-light);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition);
        }

        .brand-actions .search-form:focus-within {
            border-color: var(--primary-light);
        }

        .brand-actions .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-main);
            width: 140px;
            outline: none;
            padding: 4px 0;
            font-family: var(--font-stack);
        }

        .brand-actions .search-form .fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }

        .brand-actions .trend-chip {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            text-decoration: none;
            display: inline-block;
        }

        .brand-actions .trend-chip:hover {
            background: var(--primary);
            color: var(--white);
        }

        .brand-actions .user-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .user-icon:hover {
            background: var(--primary);
            color: var(--white);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0;
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            text-decoration: none;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg-light);
        }

        .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--dark-navy);
            font-size: 22px;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

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

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary-bg-light) 0%, var(--primary-bg) 50%, #E5EEF9 100%);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(62, 123, 201, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--text-light);
        }

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

        .category-hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .category-hero-text {
            flex: 1;
            min-width: 280px;
            max-width: 680px;
        }

        .category-hero-text h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .category-hero-text .hero-desc {
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.85;
            margin: 0 0 20px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 14px;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .hero-badge:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
        }

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

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .category-hero-visual {
            flex-shrink: 0;
            width: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image-card {
            width: 100%;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .hero-image-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .hero-image-card .hero-img-caption {
            padding: 12px 16px;
            font-size: 13px;
            color: var(--text-weak);
            background: var(--white);
            border-top: 1px solid var(--border-light);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-decoration: none;
            cursor: pointer;
            transition: all var(--transition);
            font-family: var(--font-stack);
            border: none;
            line-height: 1.4;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: var(--white);
            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: 1px solid var(--primary);
        }

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

        .btn-outline-white {
            background: transparent;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            color: var(--white);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 16px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition);
            position: relative;
            font-family: var(--font-stack);
        }

        .btn-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--primary);
            transition: width var(--transition);
        }

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

        .btn-link:hover::after {
            width: 100%;
        }

        .btn-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .btn-link:hover i {
            transform: translateX(3px);
        }

        /* ===== Metrics Dashboard ===== */
        .metrics-dashboard {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px 24px;
            margin-top: -28px;
            position: relative;
            z-index: 5;
            border: 1px solid var(--border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-item {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .metric-item:hover {
            background: var(--primary-bg-light);
        }

        .metric-value {
            font-size: 34px;
            font-weight: 700;
            color: var(--dark-navy);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 6px;
            padding: 2px 10px;
            border-radius: 12px;
        }

        .metric-trend.up {
            color: var(--accent-orange);
            background: #FFF7EB;
        }

        .metric-trend.down {
            color: var(--accent-green);
            background: #E8F6F1;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

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

        .card-body {
            padding: 20px 24px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark-navy);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 14px;
            line-height: 1.75;
        }

        /* ===== Service Matrix ===== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }

        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .service-card .card-inner {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-inner h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark-navy);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .service-card .card-inner .service-desc {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 14px;
            line-height: 1.75;
            flex: 1;
        }

        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .service-tag {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 500;
        }

        .service-card .btn-link {
            font-size: 13px;
        }

        /* ===== Comparison Section ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }

        .comparison-card.old {
            background: #F8FAFC;
            border-color: #E5E9F0;
        }

        .comparison-card.new {
            background: var(--white);
            border: 2px solid var(--primary);
            position: relative;
        }

        .comparison-card.new::before {
            content: '爱游戏推荐';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--primary);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card h3 .comp-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .comparison-card.old h3 .comp-icon {
            background: #E8EBF0;
            color: #6B7A8D;
        }

        .comparison-card.new h3 .comp-icon {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .comparison-card .comp-desc {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 16px;
            line-height: 1.75;
        }

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

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
            border-bottom: 1px solid var(--border-light);
        }

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

        .comparison-list li i {
            margin-top: 3px;
            flex-shrink: 0;
            font-size: 14px;
        }

        .comparison-card.old .comparison-list li i {
            color: #C0C9D4;
        }

        .comparison-card.new .comparison-list li i {
            color: var(--accent-green);
        }

        .comparison-highlight {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-bg-light);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            display: inline-block;
            margin-top: 12px;
        }

        /* ===== Deep Content ===== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
        }

        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .deep-content-block.reverse {
            grid-template-columns: 1fr 1fr;
            direction: rtl;
        }

        .deep-content-block.reverse > * {
            direction: ltr;
        }

        .deep-content-block .deep-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            line-height: 1.4;
        }

        .deep-content-block .deep-text p {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.9;
            margin: 0 0 14px;
        }

        .deep-content-block .deep-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .deep-content-block .deep-image img {
            width: 100%;
            height: 100%;
            max-height: 320px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .deep-image-caption {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            padding: 8px 0 0;
        }

        /* ===== Steps / Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px 20px;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
            counter-increment: step;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .process-step::before {
            content: counter(step);
            position: absolute;
            top: 16px;
            right: 18px;
            width: 30px;
            height: 30px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .process-step .step-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-bg-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-navy);
            margin: 0 0 8px;
        }

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

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

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

        .faq-item.active {
            background: var(--white);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item button {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-navy);
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-item button .fa-chevron-down {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active button .fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
        }

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

        .faq-answer p {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.85;
            margin: 0;
        }

        /* ===== CTA / Form ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-navy-2) 60%, #1A3552 100%);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(62, 123, 201, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            padding: 48px;
            position: relative;
            z-index: 1;
            align-items: center;
        }

        .cta-text {
            color: var(--white);
        }

        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 20px;
            line-height: 1.85;
        }

        .cta-text .cta-benefit-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .cta-text .cta-benefit-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 0;
        }

        .cta-text .cta-benefit-list li i {
            color: var(--accent-green);
            font-size: 14px;
        }

        .cta-form-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form-card .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 20px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            font-family: var(--font-stack);
            color: var(--text-main);
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
            box-sizing: border-box;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(62, 123, 201, 0.1);
        }

        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7A8D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        .form-submit {
            margin-top: 8px;
        }

        .form-submit .btn {
            width: 100%;
        }

        .form-note {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 10px;
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-navy-2);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
        }

        .footer-brand .brand-name .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .subscribe-box input {
            flex: 1;
            padding: 9px 14px;
            font-size: 13px;
            font-family: var(--font-stack);
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            outline: none;
            transition: border-color var(--transition);
        }

        .subscribe-box input:focus {
            border-color: var(--primary-light);
        }

        .btn-subscribe {
            padding: 9px 16px;
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-stack);
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        /* ===== Mobile Navigation ===== */
        .mobile-nav {
            display: none;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 8px 24px;
            flex-wrap: wrap;
            gap: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .cta-inner {
                grid-template-columns: 1fr;
                padding: 36px;
            }

            .deep-content-block,
            .deep-content-block.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
            }

            .deep-content-block.reverse > * {
                direction: ltr;
            }

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

            .category-hero-visual {
                width: 240px;
            }

            .hero-image-card img {
                height: 160px;
            }
        }

        @media (max-width: 768px) {
            .brand-actions .trend-chip {
                display: none;
            }

            .brand-actions .search-form input {
                width: 90px;
            }

            .category-hero {
                padding: 32px 0 28px;
            }

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

            .category-hero-visual {
                width: 100%;
                max-width: 320px;
            }

            .hero-image-card img {
                height: 180px;
            }

            .metrics-dashboard {
                padding: 24px 16px;
                margin-top: -16px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .metric-value {
                font-size: 26px;
            }

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

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

            .process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

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

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

            .cta-inner {
                padding: 24px 20px;
            }

            .cta-form-card {
                padding: 24px 20px;
            }

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

            .nav-bar {
                padding: 0 12px;
            }

            .nav-link {
                padding: 10px 14px;
                font-size: 13px;
            }

            .brand-bar {
                padding: 0 16px;
            }

            .hamburger-toggle {
                display: block;
            }

            .mobile-nav {
                display: flex;
            }

            .nav-bar.desktop-only {
                display: none;
            }

            .nav-bar.mobile-show {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
            }

            .nav-bar.mobile-show .nav-link {
                padding: 12px 16px;
                border-bottom: 1px solid var(--border-light);
                border-left: 3px solid transparent;
            }

            .nav-bar.mobile-show .nav-link.active {
                border-left-color: var(--primary);
                border-bottom-color: var(--border-light);
            }

            .section-head h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .brand-actions .search-form input {
                width: 60px;
                font-size: 12px;
            }

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

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

            .hero-badges {
                gap: 6px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 4px 10px;
            }

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

            .metric-value {
                font-size: 22px;
            }

            .metric-label {
                font-size: 12px;
            }

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

            .comparison-card h3 {
                font-size: 17px;
            }

            .cta-text h2 {
                font-size: 22px;
            }

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

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .btn {
                padding: 9px 16px;
                font-size: 14px;
            }

            .metrics-dashboard {
                padding: 18px 12px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2B5AA7;
            --primary-hover: #1E4A8A;
            --primary-light: #3E7BC9;
            --primary-bg: #EAF1FA;
            --primary-bg-light: #F4F7FC;
            --dark-navy: #1D3B5C;
            --dark-navy-2: #152D47;
            --text-main: #2C3E50;
            --text-weak: #6B7A8D;
            --text-light: #9AAFC5;
            --border: #D8E3F0;
            --border-light: #E5EDF6;
            --white: #FFFFFF;
            --accent-orange: #F5A623;
            --accent-green: #2BAE85;
            --shadow-sm: 0 2px 8px rgba(29, 59, 92, 0.06);
            --shadow-md: 0 4px 16px rgba(29, 59, 92, 0.08);
            --shadow-lg: 0 8px 24px rgba(29, 59, 92, 0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-img: 8px;
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.2s ease;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
            background: var(--primary-bg-light);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        .text-weak {
            color: var(--text-weak);
        }

        .text-small {
            font-size: 14px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: -16px 0 32px;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

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

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
            padding: 0 24px;
            border-bottom: 1px solid var(--border-light);
            transition: height var(--transition);
        }

        .site-header.scrolled .brand-bar {
            height: 40px;
        }

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

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .brand-actions .search-form {
            display: flex;
            align-items: center;
            background: var(--primary-bg-light);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition);
        }

        .brand-actions .search-form:focus-within {
            border-color: var(--primary-light);
        }

        .brand-actions .search-form input {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-main);
            width: 140px;
            outline: none;
            padding: 4px 0;
            font-family: var(--font-stack);
        }

        .brand-actions .search-form .fa-search {
            color: var(--text-weak);
            font-size: 13px;
        }

        .brand-actions .trend-chip {
            font-size: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .trend-chip:hover {
            background: var(--primary);
            color: var(--white);
        }

        .brand-actions .user-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: background var(--transition), color var(--transition);
        }

        .brand-actions .user-icon:hover {
            background: var(--primary);
            color: var(--white);
        }

        .nav-bar {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            height: 44px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg-light);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--dark-navy);
            cursor: pointer;
            padding: 6px;
            border-radius: 4px;
            transition: background var(--transition);
        }

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

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-light);
        }

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

        /* ===== Hero Section ===== */
        .page-hero {
            background: linear-gradient(135deg, #F4F7FC 0%, var(--primary-bg) 55%, #E3EDF8 100%);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(43, 90, 167, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-content {
            max-width: 760px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--white);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .hero-badge.highlight {
            background: var(--accent-orange);
            color: var(--white);
            border-color: var(--accent-orange);
        }

        .hero-badge .fa-star {
            font-size: 10px;
            color: var(--accent-orange);
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-weak);
            line-height: 1.9;
            margin: 0 0 28px;
            max-width: 680px;
        }

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

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .hero-stat-item .stat-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark-navy);
            line-height: 1;
            white-space: nowrap;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.4;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-stack);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-align: center;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(43, 90, 167, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(43, 90, 167, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(43, 90, 167, 0.25);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--primary);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

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

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

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }

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

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: none;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            padding: 0;
            font-family: var(--font-stack);
            transition: color var(--transition);
            text-decoration: none;
            border-bottom: 1px solid transparent;
        }

        .btn-text-link:hover {
            color: var(--primary-hover);
            border-bottom-color: var(--primary-hover);
        }

        .btn-text-link .fa-arrow-right {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .btn-text-link:hover .fa-arrow-right {
            transform: translateX(4px);
        }

        /* ===== Section Titles ===== */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 8px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: "";
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-title.center {
            justify-content: center;
        }

        .section-title.center::before {
            display: none;
        }

        .section-title.center::after {
            content: "";
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-left: 4px;
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .info-card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            position: relative;
            overflow: hidden;
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border);
        }

        .info-card .card-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .info-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .info-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin: 0 0 14px;
        }

        .info-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .info-card ul li {
            font-size: 13px;
            color: var(--text-main);
            line-height: 1.7;
            padding-left: 18px;
            position: relative;
            margin-bottom: 6px;
        }

        .info-card ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-green);
            font-weight: 700;
        }

        .info-card .card-img {
            margin-bottom: 16px;
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--primary-bg-light);
            position: relative;
        }

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

        .info-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
        }

        /* ===== Step / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 32px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 28px 20px;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
            counter-increment: step-counter;
            text-align: center;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-card::before {
            content: counter(step-counter);
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 2px 8px rgba(43, 90, 167, 0.3);
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 8px;
        }

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

        /* ===== Deep Content ===== */
        .deep-content {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 36px;
            margin-bottom: 24px;
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 16px;
            line-height: 1.4;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .deep-content h3 .fa-icon {
            color: var(--primary);
            font-size: 18px;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-main);
            line-height: 2.0;
            margin: 0 0 16px;
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        .deep-content .content-img {
            margin: 20px 0;
            border-radius: var(--radius-img);
            overflow: hidden;
            aspect-ratio: 21/9;
            background: var(--primary-bg-light);
        }

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

        .deep-content .img-caption {
            font-size: 12px;
            color: var(--text-weak);
            text-align: center;
            margin: 8px 0 16px;
        }

        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .scenario-item .scenario-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .scenario-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-navy);
            margin: 0 0 6px;
        }

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

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 32px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-item:hover,
        .faq-item.active {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark-navy);
            font-family: var(--font-stack);
            text-align: left;
            transition: background var(--transition), color var(--transition);
            gap: 16px;
        }

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

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 12px;
            transition: transform var(--transition), background var(--transition), color var(--transition);
        }

        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(180deg);
            background: var(--primary);
            color: var(--white);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.9;
        }

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

        /* ===== CTA Form ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-navy-2) 100%);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(62, 123, 201, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            padding: 48px 40px;
            position: relative;
            z-index: 1;
        }

        .cta-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cta-left h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 0 0 24px;
        }

        .cta-left .cta-perks {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .cta-left .cta-perks li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
        }

        .cta-left .cta-perks li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-green);
            font-weight: 700;
        }

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

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

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

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-stack);
            color: var(--text-main);
            background: var(--white);
            transition: border-color var(--transition), box-shadow var(--transition);
            outline: none;
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(62, 123, 201, 0.15);
        }

        .cta-form-card textarea {
            resize: vertical;
            min-height: 80px;
        }

        .cta-form-card .btn-primary {
            width: 100%;
            margin-top: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-navy-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand .brand-name .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }

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

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

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

        .footer-col .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .footer-col .subscribe-box input {
            flex: 1;
            padding: 9px 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            color: var(--white);
            font-size: 13px;
            font-family: var(--font-stack);
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-col .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-col .subscribe-box input:focus {
            border-color: var(--primary-light);
        }

        .footer-col .btn-subscribe {
            padding: 9px 16px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            font-family: var(--font-stack);
            transition: background var(--transition);
            white-space: nowrap;
        }

        .footer-col .btn-subscribe:hover {
            background: var(--primary-hover);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: color var(--transition);
        }

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

        .footer-links span {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 36px 28px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-gap: var(--section-gap-mobile);
            }

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

            .brand-actions .trend-chip {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
                height: auto;
                gap: 2px;
                border-top: 1px solid var(--border-light);
            }

            .nav-bar.open {
                display: flex;
            }

            .nav-link {
                padding: 10px 12px;
                font-size: 14px;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-link.active {
                background: var(--primary-bg);
                border-radius: var(--radius-sm);
            }

            .page-hero {
                padding: 32px 0 40px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: 10px;
                padding-top: 16px;
                margin-top: 24px;
            }

            .hero-stat-item {
                padding: 10px 14px;
                gap: 8px;
            }

            .hero-stat-item .stat-num {
                font-size: 20px;
            }

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

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

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .deep-content {
                padding: 24px;
            }

            .deep-content p {
                font-size: 14px;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 18px;
                font-size: 13px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

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

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

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

            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
            }

            .container {
                padding: 0 16px;
            }

            .brand-bar {
                padding: 0 16px;
            }

            .nav-bar {
                padding: 4px 16px;
            }
        }

        @media (max-width: 520px) {
            .brand-logo {
                font-size: 17px;
            }

            .brand-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .hero-badge {
                font-size: 11px;
                padding: 3px 10px;
            }

            .hero-stat-item {
                flex: 1;
                min-width: 120px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .cta-form-card {
                padding: 20px;
            }

            .cta-inner {
                padding: 24px 20px;
            }

            .cta-left h2 {
                font-size: 22px;
            }
        }