/* roulang page: index */
:root {
      --primary: #0F2B48;
      --primary-light: #1652F0;
      --accent: #FF6B00;
      --accent-gold: #00C29A;
      --bg-light: #F4F6F9;
      --bg-white: #FFFFFF;
      --bg-dark: #0B131F;
      --text-main: #1F2937;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
      --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
      --radius-sm: 4px;
      --radius-md: 8px;
      --transition: all 0.25s ease-in-out;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, textarea, select {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部双行导航 */
    .top-bar {
      background-color: #071524;
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .top-badge {
      background: rgba(0, 194, 154, 0.15);
      color: var(--accent-gold);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-size: 12px;
    }

    .main-header {
      background-color: var(--bg-white);
      box-shadow: var(--shadow-sm);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .logo {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .logo span {
      color: var(--primary-light);
    }
    .logo-tag {
      font-size: 11px;
      background: var(--bg-light);
      color: var(--text-muted);
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: normal;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      padding: 8px 0;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary-light);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background-color: var(--primary-light);
    }

    .header-cta {
      background-color: var(--primary-light);
      color: #fff;
      padding: 10px 20px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      display: inline-block;
    }
    .header-cta:hover {
      background-color: #103ec0;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(22, 82, 240, 0.3);
    }

    /* 按钮通用体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .btn-primary {
      background-color: var(--primary-light);
      color: #fff;
    }
    .btn-primary:hover {
      background-color: #0f44cc;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(22,82,240,0.25);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #fff;
    }
    .btn-accent:hover {
      background-color: #e55a00;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255,107,0,0.25);
    }
    .btn-outline {
      border-color: rgba(255,255,255,0.4);
      color: #fff;
      background: transparent;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.1);
      border-color: #fff;
    }
    .btn-outline-dark {
      border-color: var(--border-color);
      color: var(--text-main);
      background: #fff;
    }
    .btn-outline-dark:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 板块通用 */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 45px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-subtitle {
      color: var(--primary-light);
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
      display: inline-block;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero 蓝图：黑金重载工业质感 */
    .hero-section {
      background: linear-gradient(135deg, rgba(11, 19, 31, 0.95), rgba(15, 43, 72, 0.92)), url('/assets/images/c7e5fa221ce3e746.webp') center/cover no-repeat;
      color: #fff;
      padding: 85px 0 95px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 107, 0, 0.15);
      border: 1px solid rgba(255, 107, 0, 0.4);
      color: #FFB077;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      margin-bottom: 16px;
    }
    .hero-title {
      font-size: 40px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .hero-title span {
      color: #FFB077;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 30px;
    }
    .hero-actions {
      display: flex;
      gap: 15px;
      margin-bottom: 35px;
      flex-wrap: wrap;
    }
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 15px;
      padding-top: 25px;
      border-top: 1px solid rgba(255,255,255,0.12);
    }
    .hero-metric-item h4 {
      font-size: 24px;
      color: #fff;
      font-weight: 700;
    }
    .hero-metric-item p {
      font-size: 12px;
      color: #94A3B8;
    }
    .hero-card-panel {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(8px);
    }
    .hero-card-img {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      border: 1px solid rgba(255,255,255,0.15);
    }
    .hero-specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .hero-specs-list li {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      padding-bottom: 8px;
      border-bottom: 1px dashed rgba(255,255,255,0.1);
    }
    .hero-specs-list span:first-child {
      color: #94A3B8;
    }
    .hero-specs-list span:last-child {
      color: #00C29A;
      font-weight: 600;
    }

    /* 2. 概览看板 #about */
    .about-section {
      background-color: var(--bg-white);
    }
    .about-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 45px;
      align-items: center;
    }
    .about-image-box {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .about-badge-float {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: var(--primary);
      color: #fff;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-md);
      border-left: 4px solid var(--accent);
    }
    .about-badge-float strong {
      display: block;
      font-size: 18px;
    }
    .about-content h3 {
      font-size: 26px;
      color: var(--primary);
      margin-bottom: 16px;
      font-weight: 700;
    }
    .about-content p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .feature-check-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 25px;
    }
    .feature-check-list li {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-check-list li::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      background: rgba(22, 82, 240, 0.1);
      color: var(--primary-light);
      border-radius: 50%;
      font-size: 11px;
      font-weight: bold;
    }

    /* 3. 核心优势 6卡片网格 #advantages */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: var(--bg-white);
      padding: 28px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .adv-icon {
      width: 44px;
      height: 44px;
      background: rgba(22, 82, 240, 0.08);
      color: var(--primary-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 16px;
    }
    .adv-card h4 {
      font-size: 18px;
      color: var(--primary);
      margin-bottom: 10px;
      font-weight: 700;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. 热门产品推荐 #products */
    .products-section {
      background-color: var(--bg-white);
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .product-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--primary);
      color: #fff;
      padding: 3px 10px;
      font-size: 12px;
      border-radius: var(--radius-sm);
    }
    .product-info {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-info h4 {
      font-size: 19px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .product-info p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .product-specs-table {
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      padding: 12px;
      margin-bottom: 18px;
    }
    .product-specs-table div {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      line-height: 1.8;
    }
    .product-specs-table span:first-child {
      color: var(--text-muted);
    }
    .product-specs-table span:last-child {
      font-weight: 600;
      color: var(--primary);
    }

    /* 5. 深色对比案例区 #cases */
    .cases-section {
      background: linear-gradient(180deg, #07101C 0%, #0B1728 100%);
      color: #fff;
    }
    .cases-section .section-title {
      color: #FFFFFF;
    }
    .cases-section .section-desc {
      color: #94A3B8;
    }
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }
    .case-media-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.15);
    }
    .case-cards-col {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .case-item-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 20px;
      transition: var(--transition);
    }
    .case-item-card:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 107, 0, 0.4);
    }
    .case-item-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }
    .case-item-header h5 {
      font-size: 16px;
      color: #FFB077;
    }
    .case-item-header span {
      font-size: 12px;
      background: rgba(0, 194, 154, 0.2);
      color: #00C29A;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .case-item-card p {
      font-size: 13px;
      color: #CBD5E1;
      line-height: 1.6;
    }

    /* 6. 结果对比与成果区 */
    .results-section {
      background-color: var(--bg-white);
    }
    .results-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 35px;
    }
    .result-col-left h4 {
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .result-col-left p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }
    .compare-table th, .compare-table td {
      padding: 10px 12px;
      text-align: left;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #EDF2F7;
      color: var(--primary);
    }
    .highlight-col {
      color: var(--primary-light);
      font-weight: 700;
      background: rgba(22, 82, 240, 0.04);
    }

    /* 7. 数据里程碑看板 #data */
    .data-milestone-bar {
      background: linear-gradient(90deg, #0F2B48 0%, #1652F0 100%);
      padding: 45px 0;
      color: #fff;
    }
    .milestone-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .milestone-item h3 {
      font-size: 36px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
      font-family: 'Segoe UI', Roboto, sans-serif;
    }
    .milestone-item h3 span {
      color: #FFB077;
    }
    .milestone-item p {
      font-size: 14px;
      color: #CBD5E1;
    }

    /* 8. 客户同行评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-rating {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 12px;
    }
    .testi-card blockquote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }
    .testi-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 14px;
    }
    .testi-meta strong {
      display: block;
      font-size: 14px;
      color: var(--primary);
    }
    .testi-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 9. 新闻与技术前沿 #news */
    .news-section {
      background-color: var(--bg-white);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #fff;
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 170px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .news-content h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-content p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-readmore {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-light);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 10. 服务保障矩阵 */
    .service-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .service-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 24px 20px;
      text-align: center;
    }
    .service-icon-wrap {
      width: 50px;
      height: 50px;
      margin: 0 auto 16px;
      background: rgba(255, 107, 0, 0.1);
      color: var(--accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
    }
    .service-box h4 {
      font-size: 16px;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .service-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 11. 决策指南与对比 */
    .decision-section {
      background-color: var(--bg-white);
    }
    .decision-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .decision-panel {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .decision-panel.highlight-panel {
      border-color: var(--primary-light);
      background: #F8FAFC;
    }
    .decision-panel h4 {
      font-size: 18px;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .guide-item {
      margin-bottom: 14px;
    }
    .guide-item strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .guide-item p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 12. 常见问题手风琴 #faq */
    .faq-container {
      max-width: 850px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
      background: #fff;
      user-select: none;
    }
    .faq-question::after {
      content: '+';
      font-size: 20px;
      color: var(--primary-light);
      transition: transform 0.2s ease;
    }
    .faq-item.active .faq-question::after {
      content: '−';
    }
    .faq-answer {
      padding: 0 22px 18px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
      border-top: 1px solid rgba(0,0,0,0.03);
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 13. 底部转化与询盘表单 #contact */
    .contact-section {
      background: linear-gradient(135deg, #0B1728 0%, #07101C 100%);
      color: #fff;
      padding: 80px 0;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .contact-left h3 {
      font-size: 30px;
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .contact-left p {
      font-size: 15px;
      color: #CBD5E1;
      margin-bottom: 25px;
      line-height: 1.7;
    }
    .contact-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .contact-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #94A3B8;
    }
    .contact-perks li span {
      color: var(--accent-gold);
      font-weight: bold;
    }
    .contact-form-card {
      background: #FFFFFF;
      padding: 32px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      color: var(--text-main);
    }
    .contact-form-card h4 {
      font-size: 20px;
      color: var(--primary);
      margin-bottom: 18px;
    }
    .form-group {
      margin-bottom: 15px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      outline: none;
    }
    .form-control:focus {
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(22, 82, 240, 0.15);
    }

    /* 页脚 */
    .site-footer {
      background-color: #040911;
      color: #64748B;
      padding: 60px 0 25px;
      font-size: 13px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h5 {
      color: #CBD5E1;
      font-size: 15px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.06);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .about-layout, .cases-grid, .results-box, .decision-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 35px;
      }
      .grid-3x2, .product-grid, .news-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .milestone-grid, .service-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links { display: none; }
      .hero-title { font-size: 28px; }
      .grid-3x2, .product-grid, .news-grid, .testimonial-grid, .milestone-grid, .service-matrix-grid, .feature-check-list {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }