/* roulang page: index */
:root {
            --primary: #4F46E5;
            --primary-hover: #4338CA;
            --accent: #06B6D4;
            --accent-glow: rgba(6, 182, 212, 0.15);
            --bg-canvas: #F8FAFC;
            --bg-white: #FFFFFF;
            --dark-surface: #0B0F19;
            --dark-card: #111827;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border: #E2E8F0;
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 12px 28px -4px rgba(79, 70, 229, 0.12);
            --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            --container-max: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-canvas);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Bar */
        .top-bar {
            background-color: #0F172A;
            color: #94A3B8;
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 8px 0;
        }
        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-left, .top-bar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .top-bar a:hover {
            color: #38BDF8;
        }

        /* Main Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: #0F172A;
            letter-spacing: -0.5px;
        }
        .brand-logo-badge {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .btn-header {
            background-color: var(--primary);
            color: #fff !important;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
        }
        .btn-header:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }

        /* Hero Banner */
        .section-hero {
            background: linear-gradient(180deg, #F1F5F9 0%, #FFFFFF 100%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .hero-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(79, 70, 229, 0.08);
            border: 1px solid rgba(79, 70, 229, 0.2);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: #0F172A;
            margin-bottom: 20px;
            letter-spacing: -0.8px;
        }
        .hero-lead {
            font-size: 16px;
            color: #475569;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-bottom: 36px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
        }
        .btn-secondary {
            background-color: #fff;
            color: #334155;
            border: 1px solid var(--border);
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }
        .btn-secondary:hover {
            background-color: #F8FAFC;
            border-color: #CBD5E1;
        }
        .hero-indicators {
            display: flex;
            align-items: center;
            gap: 32px;
            border-top: 1px solid var(--border);
            padding-top: 24px;
        }
        .indicator-item h4 {
            font-size: 24px;
            font-weight: 800;
            color: #0F172A;
        }
        .indicator-item p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-media-wrapper {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.15);
            border: 1px solid rgba(255,255,255,0.8);
        }
        .hero-media-wrapper img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* Generic Section Standards */
        .section-block {
            padding: 88px 0;
            position: relative;
        }
        .section-bg-alt {
            background-color: #FFFFFF;
        }
        .section-bg-muted {
            background-color: #F8FAFC;
        }
        .section-bg-dark {
            background-color: var(--dark-surface);
            color: var(--text-light);
        }
        .section-header {
            margin-bottom: 56px;
        }
        .section-header-split {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-bg-dark .section-tag {
            color: var(--accent);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: #0F172A;
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .section-bg-dark .section-title {
            color: #FFFFFF;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-bg-dark .section-desc {
            color: #94A3B8;
        }

        /* Section 2: Engine Base */
        .engine-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .engine-preview {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .engine-preview img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .engine-spec-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .engine-spec-item {
            background-color: #F8FAFC;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .engine-spec-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: #0F172A;
            margin-bottom: 4px;
        }
        .engine-spec-item p {
            font-size: 14px;
            color: #64748B;
            line-height: 1.6;
        }

        /* Section 3: Advantage Grid */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .matrix-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
        }
        .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(79, 70, 229, 0.3);
        }
        .matrix-icon-wrapper {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .matrix-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #0F172A;
            margin-bottom: 12px;
        }
        .matrix-card p {
            font-size: 14px;
            color: #64748B;
            margin-bottom: 20px;
            line-height: 1.65;
        }
        .matrix-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: #475569;
        }
        .matrix-feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .matrix-feature-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* Section 4: Products */
        .product-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .product-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .product-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .product-media {
            height: 220px;
            overflow: hidden;
            background-color: #0F172A;
        }
        .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .product-card:hover .product-media img {
            transform: scale(1.05);
        }
        .product-body {
            padding: 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .product-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .tag-pill {
            font-size: 12px;
            background-color: #F1F5F9;
            color: #475569;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
        }
        .product-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0F172A;
            margin-bottom: 12px;
        }
        .product-body p {
            font-size: 14px;
            color: #64748B;
            line-height: 1.65;
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .product-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .product-card-link:hover {
            gap: 10px;
        }

        /* Section 5: Tech Architecture (Dark) */
        .arch-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .arch-lead h3 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .arch-lead p {
            color: #94A3B8;
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .arch-modules-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .arch-module-box {
            background-color: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 24px;
        }
        .arch-module-box h4 {
            color: #38BDF8;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .arch-module-box p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.6;
        }

        /* Section 6: Masonry Cases */
        .cases-bento {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .bento-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .bento-card-lg {
            grid-column: span 7;
        }
        .bento-card-sm {
            grid-column: span 5;
        }
        .bento-media {
            height: 260px;
            overflow: hidden;
        }
        .bento-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .bento-content {
            padding: 24px 28px;
        }
        .bento-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: #0F172A;
            margin-bottom: 10px;
        }
        .bento-content p {
            font-size: 14px;
            color: #64748B;
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .bento-metrics {
            display: flex;
            gap: 24px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        /* Section 7: Ecosystem Partners */
        .partner-marquee {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .partner-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: var(--radius-sm);
            text-align: center;
            font-weight: 600;
            font-size: 14px;
            color: #475569;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
        }

        /* Section 8: Deep Story */
        .story-container {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .story-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .story-details blockquote {
            font-size: 18px;
            color: #1E293B;
            font-weight: 600;
            line-height: 1.65;
            margin-bottom: 24px;
            border-left: 4px solid var(--primary);
            padding-left: 20px;
        }
        .story-details p {
            font-size: 14px;
            color: #64748B;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .story-author {
            font-size: 14px;
            font-weight: 700;
            color: #0F172A;
        }
        .story-author span {
            font-size: 13px;
            font-weight: 400;
            color: #94A3B8;
        }

        /* Section 9: Stats Bar */
        .stats-stripe {
            background-color: #0F172A;
            color: #FFFFFF;
            padding: 56px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 40px;
            font-weight: 800;
            color: #38BDF8;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }
        .stat-item p {
            font-size: 14px;
            color: #94A3B8;
        }

        /* Section 10: Testimonials */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .review-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-rating {
            color: #F59E0B;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 14px;
            color: #475569;
            line-height: 1.7;
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .review-user-name {
            font-size: 15px;
            font-weight: 700;
            color: #0F172A;
        }
        .review-user-meta {
            font-size: 13px;
            color: #94A3B8;
        }

        /* Section 11: News */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .news-media {
            height: 200px;
            overflow: hidden;
        }
        .news-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-header-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #94A3B8;
            margin-bottom: 12px;
        }
        .news-badge {
            background-color: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: #0F172A;
            margin-bottom: 12px;
            line-height: 1.45;
        }
        .news-body p {
            font-size: 14px;
            color: #64748B;
            line-height: 1.65;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .news-footer-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        /* Section 12: FAQ Accordion */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .faq-summary {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: #0F172A;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        .faq-summary::-webkit-details-marker {
            display: none;        }
        .faq-summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            transition: transform 0.2s ease;
        }
        details[open] .faq-summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        details[open] .faq-summary {
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }
        .faq-answer {
            padding: 20px 24px;
            font-size: 14px;
            color: #64748B;
            line-height: 1.75;
            background-color: #FAFAFA;
        }

        /* Section 13: Conversion CTA & Form */
        .cta-box-wrapper {
            background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.25);
        }
        .cta-info h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .cta-info p {
            color: #94A3B8;
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .cta-assurance-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-assurance-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: #E2E8F0;
        }
        .assurance-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(6, 182, 212, 0.2);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }
        .cta-form-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 36px;
            color: var(--text-main);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            margin-bottom: 8px;
        }
        .form-control, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: #1E293B;
            background-color: #F8FAFC;
            transition: var(--transition);
        }
        .form-control:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }
        .radio-options-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .radio-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #475569;
            background: #F8FAFC;
            border: 1px solid var(--border);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .radio-label:hover {
            border-color: var(--primary);
        }
        .btn-submit {
            width: 100%;
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            padding: 14px 24px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background-color: var(--primary-hover);
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
        }

        /* Footer */
        .site-footer {
            background-color: #0B0F19;
            color: #94A3B8;
            padding: 72px 0 32px;
            border-top: 1px solid var(--border-dark);
            font-size: 14px;
        }
        .footer-top-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-brand p {
            line-height: 1.75;
            margin-bottom: 20px;
            font-size: 13px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a:hover {
            color: #38BDF8;
        }
        .footer-contact-info p {
            margin-bottom: 10px;
            font-size: 13px;
            line-height: 1.6;
        }
        .footer-bottom-bar {
            border-top: 1px solid var(--border-dark);
            padding-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #64748B;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-grid, .engine-grid, .arch-layout, .story-container, .cta-box-wrapper {
                grid-template-columns: 1fr;
            }
            .matrix-grid, .product-cards-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-bento {
                grid-template-columns: 1fr;
            }
            .bento-card-lg, .bento-card-sm {
                grid-column: span 1;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-marquee {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-top-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar { display: none; }
            .nav-links { display: none; }
            .hero-title { font-size: 30px; }
            .matrix-grid, .product-cards-grid, .reviews-grid, .news-grid, .stats-grid, .partner-marquee, .footer-top-grid {
                grid-template-columns: 1fr;
            }
            .section-block { padding: 56px 0; }
            .cta-box-wrapper { padding: 32px 20px; }
            .footer-bottom-bar { flex-direction: column; gap: 12px; text-align: center; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-indicators { flex-direction: column; align-items: flex-start; gap: 16px; }
            .cta-form-card { padding: 24px 16px; }
            .radio-options-grid { grid-template-columns: 1fr; }
        }