/* roulang page: index */
:root {
            --primary: #0A5C36;
            --primary-light: #00C853;
            --secondary: #FF6D00;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F172A;
            --bg-dark-forest: #0B1310;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --border-active: rgba(0, 200, 83, 0.25);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 12px 24px -4px rgba(10, 92, 54, 0.08);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            -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: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部状态栏与白底导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
        .header-topbar {
            background: #F1F5F9;
            border-bottom: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
            padding: 6px 0;
        }
        .header-topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 500;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--primary-light);
            border-radius: 50%;
            box-shadow: 0 0 0 2px rgba(0, 200, 83, 0.2);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.15); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        .main-nav {
            padding: 16px 0;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            list-style: none;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .btn-primary {
            background-color: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(255, 109, 0, 0.2);
        }
        .btn-primary:hover {
            background-color: #E65100;
            transform: translateY(-1px);
        }
        .btn-outline {
            border-color: var(--border-color);
            background: #fff;
            color: var(--text-main);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 统一 Section 规范 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 50px auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            background: rgba(10, 92, 54, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块 1: Hero 卡片堆叠首屏 */
        #hero {
            padding: 70px 0 90px;
            background: linear-gradient(180deg, #F0FDF4 0%, var(--bg-light) 100%);
            border-bottom: 1px solid var(--border-color);
        }
        .hero-layout {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-text {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        /* 卡片堆叠结构 */
        .card-stack-wrap {
            position: relative;
            padding: 20px 0;
        }
        .main-stack-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
            border: 1px solid var(--border-color);
            position: relative;
            z-index: 2;
        }
        .side-stack-card-1 {
            position: absolute;
            top: -10px;
            right: -20px;
            width: 85%;
            height: 90%;
            background: #E8F5E9;
            border-radius: var(--radius-lg);
            border: 1px solid #C8E6C9;
            z-index: 1;
            transform: rotate(3deg);
        }
        .side-stack-card-2 {
            position: absolute;
            bottom: -15px;
            left: -15px;
            width: 90%;
            height: 90%;
            background: #F1F5F9;
            border-radius: var(--radius-lg);
            border: 1px solid #CBD5E1;
            z-index: 0;
            transform: rotate(-2deg);
        }
        .score-board-sim {
            border-radius: var(--radius-md);
            background: var(--bg-dark);
            color: #fff;
            padding: 16px;
            margin-bottom: 16px;
        }
        .score-match-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: #94A3B8;
            margin-bottom: 12px;
        }
        .live-tag {
            color: var(--primary-light);
            font-weight: 700;
        }
        .score-teams {
            display: flex;
            justify-content: space-around;
            align-items: center;
            font-weight: 700;
            font-size: 18px;
        }
        .score-num {
            font-size: 28px;
            color: #38BDF8;
            letter-spacing: 2px;
        }
        .mini-stat-bar {
            margin-top: 12px;
            background: #1E293B;
            height: 6px;
            border-radius: 3px;
            overflow: hidden;
            display: flex;
        }
        .stat-fill-left { width: 58%; background: var(--primary-light); }
        .stat-fill-right { width: 42%; background: var(--secondary); }

        /* 板块 2: 问题陈述区 */
        #problem {
            background: #FFFFFF;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .problem-card {
            background: #FEF2F2;
            border: 1px solid #FEE2E2;
            padding: 30px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .problem-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .problem-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: #DC2626;
            margin-bottom: 12px;
        }
        .problem-card h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .problem-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 板块 3: 操作演示与引擎 */
        #operation {
            background: var(--bg-light);
            border-top: 1px solid var(--border-color);
        }
        .demo-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .demo-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .step-item {
            background: #fff;
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            display: flex;
            gap: 16px;
        }
        .step-index {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-item h4 {
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 4: 结果预览与多维面板 */
        #preview {
            background: #FFFFFF;
        }
        .preview-showcase {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
        }
        .preview-top-tabs {
            display: flex;
            gap: 12px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 16px;
            margin-bottom: 24px;
        }
        .preview-tab-btn {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-body);
        }
        .preview-tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .preview-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }
        .preview-main-table {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .match-row:last-child { border-bottom: none; }
        .match-time { color: var(--text-muted); font-size: 13px; width: 60px; }
        .match-team { font-weight: 600; flex: 1; text-align: right; }
        .match-score-badge {
            background: #E2E8F0;
            padding: 4px 12px;
            border-radius: 4px;
            margin: 0 16px;
            font-weight: 800;
            color: var(--text-main);
        }
        .match-score-badge.goal {
            background: #DCFCE7;
            color: var(--primary);
        }
        .match-team-away { font-weight: 600; flex: 1; text-align: left; }
        .preview-side-insights {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 20px;
        }
        .insight-stat {
            margin-bottom: 16px;
        }
        .insight-stat-title {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .insight-bar {
            height: 8px;
            background: #E2E8F0;
            border-radius: 4px;
            overflow: hidden;
        }
        .insight-progress {
            height: 100%;
            background: var(--primary);
        }

        /* 板块 5: 核心优势集群 (6卡片) */
        #features {
            background: #FAFAFA;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
        }
        .feature-box:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .feature-icon-box {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(10, 92, 54, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 18px;
        }
        .feature-box h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .feature-box p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 6: 终端产品展示 */
        #products {
            background: #FFFFFF;
        }
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .product-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .product-card.featured {
            border: 2px solid var(--primary);
            box-shadow: 0 12px 30px rgba(10, 92, 54, 0.12);
        }
        .featured-ribbon {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 12px;
            font-weight: 700;
        }
        .product-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .product-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .product-specs {
            list-style: none;
            margin-bottom: 28px;
            flex-grow: 1;
        }
        .product-specs li {
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .product-specs li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 板块 7: 常见卡住点解析 */
        #bottlenecks {
            background: #F1F5F9;
        }
        .accordion-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .accordion-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 22px 26px;
            transition: var(--transition);
        }
        .accordion-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .accordion-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 板块 8: 深色实盘与架构理念 */
        #dark-showcase {
            background: var(--bg-dark);
            color: #fff;
            padding: 90px 0;
        }
        #dark-showcase .section-title {
            color: #fff;
        }
        #dark-showcase .section-desc {
            color: #94A3B8;
        }
        .showcase-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .tech-pillars {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .pillar-item {
            background: #1E293B;
            border: 1px solid #334155;
            padding: 18px 22px;
            border-radius: var(--radius-md);
        }
        .pillar-item h4 {
            font-size: 16px;
            color: var(--primary-light);
            margin-bottom: 6px;
        }
        .pillar-item p {
            font-size: 13px;
            color: #CBD5E1;
            line-height: 1.6;
        }
        .terminal-panel {
            background: #090D16;
            border: 1px solid #334155;
            border-radius: var(--radius-md);
            padding: 20px;
            font-family: monospace;
            font-size: 13px;
            color: #38BDF8;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }
        .terminal-header {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid #1E293B;
        }
        .t-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
        .t-red { background: #EF4444; }
        .t-yellow { background: #F59E0B; }
        .t-green { background: #10B981; }

        /* 板块 9: 关键数据统计条 */
        #metrics {
            padding: 60px 0;
            background: var(--primary);
            color: #fff;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .metric-item h3 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 6px;
            letter-spacing: -1px;
            color: #fff;
        }
        .metric-item p {
            font-size: 14px;
            color: #DCFCE7;
            font-weight: 500;
        }

        /* 板块 10: 成功路径与部署流程 */
        #success-path {
            background: #FFFFFF;
        }
        .path-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .path-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
        }
        .path-number {
            font-size: 36px;
            font-weight: 900;
            color: #E2E8F0;
            line-height: 1;
            margin-bottom: 12px;
        }
        .path-card h4 {
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .path-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 11: 方案演练与成功案例 */
        #cases {
            background: #FAFAFA;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: var(--shadow-sm);
        }
        .case-media {
            background: #0F172A;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 40px;
        }
        .case-tag {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 700;
            margin-bottom: 10px;
            display: inline-block;
        }
        .case-content h3 {
            font-size: 24px;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .case-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .case-stats-row {
            display: flex;
            gap: 32px;
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
        }
        .c-stat-val {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }
        .c-stat-lbl {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块 12: 用户口碑与评价墙 */
        #testimonials {
            background: #FFFFFF;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-card {
            background: #F8FAFC;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 26px;
        }
        .testi-stars {
            color: #F59E0B;
            font-size: 14px;
            margin-bottom: 12px;
        }
        .testi-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            background: #CBD5E1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #fff;
            font-size: 14px;
        }
        .author-info h4 { font-size: 14px; color: var(--text-main); }
        .author-info span { font-size: 12px; color: var(--text-muted); }

        /* 板块 13: 体育赛事资讯与比分动态 */
        #news {
            background: #F8FAFC;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            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-md);
        }
        .news-thumb {
            height: 140px;
            background: #E2E8F0;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-body h4 {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .news-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        /* 板块 14: 开始使用与极速开通收口 */
        #conversion {
            background: linear-gradient(135deg, #0A5C36 0%, #064E3B 100%);
            color: #fff;
            padding: 80px 0;
            text-align: center;
        }
        .cta-box {
            max-width: 780px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 16px;
            color: #DCFCE7;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 18px;
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: var(--bg-dark-forest);
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid #1F2937;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 800;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: #94A3B8;
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }
        .footer-bottom a {
            color: #64748B;
        }
        .footer-bottom a:hover {
            color: #94A3B8;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-layout, .demo-layout, .showcase-layout, .case-card {
                grid-template-columns: 1fr;
            }
            .grid-3, .features-grid, .products-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid, .path-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .nav-links, .header-topbar {
                display: none;
            }
            .hero-title {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .grid-3, .features-grid, .products-grid, .testimonials-grid, .news-grid, .path-grid, .preview-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .case-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .hero-cta-group, .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn, .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }