/* roulang page: index */
:root {
            --primary: #1E3A8A;
            --primary-hover: #172554;
            --interactive: #2563EB;
            --dark: #0F172A;
            --slate: #334155;
            --muted: #64748B;
            --light-bg: #F8FAFC;
            --card-bg: #FFFFFF;
            --border-color: #E2E8F0;
            --accent: #D97706;
            --success: #059669;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --shadow-subtle: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
            --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 10px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base */
        * { box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--light-bg);
            color: var(--slate);
            margin: 0;
            padding: 0;
            line-height: 1.65;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--dark);
            font-weight: 700;
            margin-top: 0;
            line-height: 1.35;
        }
        a {
            color: var(--interactive);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover { color: var(--primary-hover); }
        img { max-width: 100%; height: auto; display: block; }
        
        /* Layout & Utilities */
        .site-container {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-padding {
            padding-top: 84px;
            padding-bottom: 84px;
        }
        .bg-white { background-color: #FFFFFF; }
        .bg-light { background-color: var(--light-bg); }
        .bg-dark { background-color: var(--dark); color: #F8FAFC; }
        .border-top { border-top: 1px solid var(--border-color); }
        .border-bottom { border-bottom: 1px solid var(--border-color); }

        /* Typography Helper */
        .section-header {
            margin-bottom: 50px;
            text-align: center;
        }
        .section-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            background: #EFF6FF;
            padding: 4px 12px;
            border-radius: 9999px;
            margin-bottom: 12px;
            border: 1px solid #DBEAFE;
        }
        .section-title {
            font-size: 32px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* Top Announcement Promo Bar */
        .top-promo-bar {
            background-color: var(--dark);
            color: #94A3B8;
            font-size: 12px;
            line-height: 38px;
            height: 38px;
            border-bottom: 1px solid #1E293B;
        }
        .promo-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .promo-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--success);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.25);
        }

        /* Primary Header Navigation */
        .site-header {
            background-color: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--interactive));
            color: #FFFFFF;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--slate);
            padding: 8px 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--interactive);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--interactive);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            position: relative;
            width: 220px;
        }
        .header-search input {
            width: 100%;
            height: 38px;
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 36px 0 12px;
            font-size: 13px;
            color: var(--slate);
            margin: 0;
        }
        .header-search input:focus {
            background: #FFFFFF;
            border-color: var(--interactive);
            outline: none;
            box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
        }
        .header-search i {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 13px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--interactive);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #FFFFFF;
            color: var(--slate);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--light-bg);
            border-color: #CBD5E1;
            color: var(--dark);
        }

        /* Mobile Menu Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--dark);
            cursor: pointer;
            padding: 4px;
        }

        /* Section 1: Hero Block */
        .hero-section {
            padding: 70px 0 80px;
            background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .hero-title {
            font-size: 40px;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 28px;
            line-height: 1.75;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            color: var(--slate);
            box-shadow: var(--shadow-subtle);
        }
        .tag-pill i { color: var(--interactive); }
        .hero-dashboard-panel {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 14px;
            margin-bottom: 18px;
        }
        .panel-badge {
            background: #EFF6FF;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
        }
        .hero-terminal-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            margin-bottom: 16px;
            border: 1px solid #E2E8F0;
        }
        .hero-terminal-img img {
            width: 100%;
            height: 230px;
            object-fit: cover;
        }

        /* Section 2: Service Matrix */
        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-subtle);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }
        .service-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: #EFF6FF;
            color: var(--interactive);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .service-title {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-desc {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 20px;
            flex-grow: 1;
            line-height: 1.6;
        }
        .service-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--interactive);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Section 3: Data Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow-subtle);
        }
        .metric-val {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            font-family: Arial, Helvetica, sans-serif;
            line-height: 1;
            margin-bottom: 8px;
        }
        .metric-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .metric-desc {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
        }

        /* Section 4: Workflow Steps */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            position: relative;
            box-shadow: var(--shadow-subtle);
        }
        .step-number {
            font-size: 28px;
            font-weight: 800;
            color: #CBD5E1;
            line-height: 1;
            margin-bottom: 12px;
            font-family: Arial, sans-serif;
        }
        .step-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .step-text {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Section 5: Media Showcase */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .media-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .media-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CBD5E1;
        }
        .media-thumb-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: #0F172A;
        }
        .media-thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .media-card:hover .media-thumb-wrap img {
            transform: scale(1.05);
        }
        .badge-resolution {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.85);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
        }
        .badge-rating {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: var(--accent);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 4px;
        }
        .media-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .media-title {
            font-size: 17px;
            margin-bottom: 10px;
            color: var(--dark);
            line-height: 1.4;
        }
        .media-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 14px;
        }
        .media-desc {
            font-size: 13px;
            color: var(--slate);
            line-height: 1.6;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .media-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            font-size: 12px;
        }

        /* Section 6: Info & News Split */
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .info-focus-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-focus-img {
            height: 240px;
            overflow: hidden;
        }
        .info-focus-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-focus-content {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .info-list-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        .info-list-item:hover {
            border-color: var(--interactive);
            box-shadow: var(--shadow-card);
        }
        .info-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .info-item-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 12px;
        }

        /* Section 7: Partner Network */
        .partner-box {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .partner-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 10px;
            text-align: center;
            font-weight: 600;
            color: var(--muted);
            font-size: 13px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .partner-item i {
            font-size: 24px;
            color: var(--slate);
        }

        /* Section 8: FAQ Accordion */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #FFFFFF;
        }
        .faq-question:hover {
            background: #F8FAFC;
        }
        .faq-answer {
            padding: 0 24px 18px 24px;
            font-size: 14px;
            color: var(--slate);
            line-height: 1.7;
            border-top: 1px solid #F1F5F9;
            padding-top: 14px;
        }

        /* Section 9: Security Guarantee Strip */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guarantee-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            box-shadow: var(--shadow-subtle);
        }
        .guarantee-icon {
            font-size: 28px;
            color: var(--interactive);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Section 10: Special Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            display: flex;
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }
        .topic-card-img {
            width: 40%;
            min-height: 180px;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card-body {
            width: 60%;
            padding: 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* Section 11: GEO Table */
        .node-table {
            width: 100%;
            border-collapse: collapse;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            font-size: 14px;
            box-shadow: var(--shadow-subtle);
        }
        .node-table th {
            background: #F1F5F9;
            color: var(--dark);
            text-align: left;
            padding: 14px 18px;
            font-weight: 700;
            border-bottom: 1px solid var(--border-color);
        }
        .node-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-color);
            color: var(--slate);
        }
        .node-table tr:last-child td { border-bottom: none; }
        .node-table tr:hover td { background: #F8FAFC; }

        /* Section 12: Device Compatibility Matrix */
        .device-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .device-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-subtle);
        }
        .device-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .device-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .device-list {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* Section 13: Final Conversion CTA */
        .final-cta-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            box-shadow: var(--shadow-card);
            max-width: 900px;
            margin: 0 auto;
        }
        .feedback-form {
            display: flex;
            max-width: 540px;
            margin: 24px auto 0;
            gap: 10px;
        }
        .feedback-form input {
            flex-grow: 1;
            height: 44px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 16px;
            font-size: 14px;
            margin: 0;
        }
        .feedback-form input:focus {
            outline: none;
            border-color: var(--interactive);
        }

        /* Footer System */
        .site-footer {
            background: #0B1120;
            color: #94A3B8;
            padding-top: 64px;
            padding-bottom: 32px;
            font-size: 14px;
            border-top: 1px solid #1E293B;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #64748B;
            margin-bottom: 20px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: #FFFFFF;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 13px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #64748B;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .metrics-grid, .step-timeline, .device-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-box {
                grid-template-columns: repeat(3, 1fr);
            }
            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section-padding { padding-top: 52px; padding-bottom: 52px; }
            .hero-title { font-size: 28px; }
            .section-title { font-size: 24px; }
            .nav-menu, .nav-actions .header-search { display: none; }
            .mobile-toggle { display: block; }
            .info-layout, .topic-grid, .guarantee-grid, .showcase-grid {
                grid-template-columns: 1fr;
            }
            .topic-card { flex-direction: column; }
            .topic-card-img, .topic-card-body { width: 100%; }
            .metrics-grid, .step-timeline, .device-matrix {
                grid-template-columns: 1fr;
            }
            .partner-box { grid-template-columns: repeat(2, 1fr); }
            .feedback-form { flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            .hero-section .grid-x > .cell:first-child { margin-bottom: 36px; }
        }

/* roulang page: category1 */
:root {
      --primary: #1E3A8A;
      --primary-hover: #172554;
      --interactive: #2563EB;
      --dark: #0F172A;
      --slate: #334155;
      --muted: #64748B;
      --light-bg: #F8FAFC;
      --card-bg: #FFFFFF;
      --border-color: #E2E8F0;
      --accent: #D97706;
      --success: #059669;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --shadow-subtle: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
      --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 10px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--light-bg);
      color: var(--slate);
      margin: 0;
      padding: 0;
      line-height: 1.65;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: var(--interactive);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover { color: var(--primary-hover); }
    img { max-width: 100%; height: auto; display: block; }

    .site-container {
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .section-padding {
      padding-top: 72px;
      padding-bottom: 72px;
    }
    .border-top { border-top: 1px solid var(--border-color); }
    .border-bottom { border-bottom: 1px solid var(--border-color); }

    /* Top Promo Bar */
    .promo-bar {
      background-color: var(--dark);
      color: #94A3B8;
      font-size: 12px;
      height: 36px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .promo-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .promo-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .promo-status {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
    }

    /* Primary Header */
    .site-header {
      background-color: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--interactive));
      color: #FFFFFF;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 32px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--slate);
      padding: 8px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--interactive);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--interactive);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .header-search {
      position: relative;
      width: 220px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 36px 0 12px;
      font-size: 13px;
      color: var(--slate);
      margin: 0;
    }
    .header-search input:focus {
      background: #FFFFFF;
      border-color: var(--interactive);
      outline: none;
      box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
    }
    .header-search i {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
      font-size: 13px;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--interactive);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 14px;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      color: #FFFFFF;
      transform: translateY(-1px);
    }

    /* Section Header Common */
    .section-header {
      margin-bottom: 40px;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--primary);
      background: #EFF6FF;
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 12px;
      border: 1px solid #DBEAFE;
    }
    .section-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-subtitle {
      font-size: 15px;
      color: var(--muted);
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

    /* Block 1: Breadcrumb & Filter Header */
    .category-banner {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0 32px;
    }
    .breadcrumbs-wrap {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumbs-wrap a { color: var(--muted); }
    .breadcrumbs-wrap a:hover { color: var(--interactive); }
    .page-main-h1 {
      font-size: 32px;
      font-weight: 800;
      color: var(--dark);
      margin: 0 0 12px 0;
      letter-spacing: -0.5px;
    }
    .page-main-desc {
      font-size: 15px;
      color: var(--muted);
      max-width: 860px;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .filter-panel {
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .filter-row {
      display: flex;
      align-items: flex-start;
      margin-bottom: 14px;
      font-size: 13px;
    }
    .filter-row:last-child { margin-bottom: 0; }
    .filter-label {
      width: 80px;
      color: var(--muted);
      font-weight: 600;
      padding-top: 4px;
      flex-shrink: 0;
    }
    .filter-options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-tag {
      padding: 4px 14px;
      border-radius: var(--radius-sm);
      color: var(--slate);
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      font-size: 13px;
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-tag:hover {
      border-color: var(--interactive);
      color: var(--interactive);
    }
    .filter-tag.active {
      background: var(--interactive);
      color: #FFFFFF;
      border-color: var(--interactive);
      font-weight: 600;
    }

    /* Block 2: 12-Card Grid */
    .resource-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 24px;
    }
    .resource-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }
    .card-thumb {
      position: relative;
      background: #0F172A;
      overflow: hidden;
      aspect-ratio: 16 / 9;
    }
    .card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .resource-card:hover .card-thumb img {
      transform: scale(1.05);
    }
    .card-badge-res {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(15, 23, 42, 0.85);
      color: #38BDF8;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 3px;
      letter-spacing: 0.5px;
      backdrop-filter: blur(4px);
    }
    .card-badge-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(217, 119, 6, 0.9);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 3px;
    }
    .card-body {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
      margin: 0 0 8px 0;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-meta-list {
      font-size: 12px;
      color: var(--muted);
      margin-bottom: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .card-meta-list span {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .card-footer-info {
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
    }
    .ping-indicator {
      display: flex;
      align-items: center;
      gap: 5px;
      color: var(--success);
      font-weight: 600;
    }
    .ping-dot {
      width: 6px;
      height: 6px;
      background: var(--success);
      border-radius: 50%;
    }
    .card-play-btn {
      color: var(--interactive);
      font-weight: 600;
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .card-play-btn:hover {
      color: var(--primary-hover);
    }

    /* Pagination */
    .pagination-bar {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-top: 24px;
    }
    .page-item {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      color: var(--slate);
      font-size: 14px;
      font-weight: 600;
    }
    .page-item.active {
      background: var(--interactive);
      color: #FFFFFF;
      border-color: var(--interactive);
    }
    .page-item:hover:not(.active) {
      border-color: var(--interactive);
      color: var(--interactive);
    }

    /* Block 3: Exclusive Highlights (3 Col) */
    .curated-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .curated-img-wrap {
      position: relative;
      height: 180px;
      background: #0F172A;
    }
    .curated-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .curated-pill {
      position: absolute;
      top: 14px;
      left: 14px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      letter-spacing: 0.5px;
    }
    .curated-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .curated-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
      margin: 0 0 10px 0;
    }
    .curated-brief {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .curated-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      background: var(--light-bg);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      font-size: 12px;
      color: var(--slate);
    }

    /* Block 4: Tech Specs & Dual Column */
    .specs-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px;
      box-shadow: var(--shadow-card);
    }
    .specs-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .specs-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid #F1F5F9;
    }
    .specs-item:last-child { border-bottom: none; }
    .specs-icon {
      width: 42px;
      height: 42px;
      background: #EFF6FF;
      color: var(--interactive);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }
    .specs-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
    }
    .specs-desc {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.6;
      margin: 0;
    }

    /* Block 5: FAQ Accordion */
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #CBD5E1;
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-summary i {
      color: var(--muted);
      font-size: 14px;
      transition: transform 0.3s ease;
    }
    .faq-details {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--slate);
      line-height: 1.7;
      border-top: 1px solid #F8FAFC;
    }

    /* Block 6: Trust & Safety Strip */
    .trust-strip {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0;
    }
    .trust-col {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 10px;
    }
    .trust-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: #EFF6FF;
      color: var(--interactive);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }
    .trust-text h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin: 0 0 4px;
    }
    .trust-text p {
      font-size: 13px;
      color: var(--muted);
      margin: 0;
      line-height: 1.5;
    }

    /* Block 7: Subscription & CTA */
    .sub-banner {
      background: linear-gradient(135deg, var(--dark) 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: #FFFFFF;
      box-shadow: var(--shadow-hover);
    }
    .sub-title {
      font-size: 26px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 10px;
    }
    .sub-desc {
      font-size: 14px;
      color: #94A3B8;
      margin-bottom: 24px;
      max-width: 620px;
      line-height: 1.7;
    }
    .sub-form {
      display: flex;
      gap: 12px;
      max-width: 560px;
    }
    .sub-form input {
      flex: 1;
      height: 46px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      padding: 0 16px;
      font-size: 14px;
      margin: 0;
    }
    .sub-form input:focus {
      background: rgba(255, 255, 255, 0.15);
      border-color: var(--interactive);
      outline: none;
    }
    .sub-form button {
      height: 46px;
      padding: 0 24px;
      font-weight: 700;
      font-size: 14px;
      white-space: nowrap;
      background: var(--interactive);
      color: #FFFFFF;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }
    .sub-form button:hover {
      background: #1D4ED8;
    }

    /* Footer Standard */
    .site-footer {
      background-color: #0B1120;
      color: #94A3B8;
      padding: 64px 0 32px;
      border-top: 1px solid #1E293B;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 13px;
      color: #64748B;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #FFFFFF;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a {
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-links a:hover { color: #FFFFFF; }
    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid #1E293B;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    @media screen and (max-width: 1024px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    }
    @media screen and (max-width: 640px) {
      .header-search, .nav-actions .btn-primary { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .sub-form { flex-direction: column; }
      .sub-banner { padding: 30px 20px; }
      .filter-row { flex-direction: column; gap: 8px; }
      .filter-label { width: 100%; }}