/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-hover: #0d469e;
      --accent: #00C49F;
      --highlight: #FF6B35;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0B132B;
      --bg-dark-card: #152244;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border: #E2E8F0;
      --border-dark: #2A3B66;
      --radius-sm: 6px;
      --radius: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
      --shadow: 0 10px 25px -5px rgba(15, 82, 186, 0.08);
      --shadow-hover: 0 20px 30px -8px rgba(15, 82, 186, 0.15);
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 85px;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.75;
    }

    body {
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Bar */
    .top-bar {
      background-color: #080e1f;
      color: #94A3B8;
      font-size: 0.85rem;
      padding: 6px 0;
      border-bottom: 1px solid #1E293B;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-left span {
      margin-right: 20px;
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--primary);
    }
    .nav-links {
      display: flex;
      gap: 24px;
      list-style: none;
    }
    .nav-links a {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 6px 2px;
      position: relative;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta-btn {
      background: var(--primary);
      color: #FFF;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    /* Base Section Style */
    .section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-light);
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(0, 196, 159, 0.15);
      color: var(--accent);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Common Card Styles */
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: rgba(15, 82, 186, 0.3);
    }
    .section-dark .card {
      background: var(--bg-dark-card);
      border-color: var(--border-dark);
    }
    .section-dark .card:hover {
      border-color: var(--accent);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFF;
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 16px rgba(15, 82, 186, 0.3);
      transform: translateY(-2px);
    }
    .btn-accent {
      background-color: var(--highlight);
      color: #FFF;
    }
    .btn-accent:hover {
      background-color: #f15920;
      transform: translateY(-2px);
    }
    .btn-outline {
      background-color: transparent;
      border: 1px solid var(--border);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(15, 82, 186, 0.03);
    }

    /* 1. Hero: 图标矩阵 + 状态条 + 短标题 */
    .hero-section {
      background: radial-gradient(circle at top right, #EBF3FC, #F8FAFC);
      padding: 60px 0 75px 0;
      border-bottom: 1px solid var(--border);
    }
    .hero-status-bar {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: #FFFFFF;
      border: 1px solid #CBD5E1;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.85rem;
      color: #334155;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }
    .status-dot {
      width: 10px;
      height: 10px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    .hero-header {
      text-align: center;
      max-width: 900px;
      margin: 0 auto 40px auto;
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      color: #0F172A;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .hero-h1 span {
      color: var(--primary);
    }
    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 780px;
      margin: 0 auto 30px auto;
    }
    .hero-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 35px;
    }
    .matrix-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .matrix-item:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 14px auto;
      background: #EEF4FF;
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: bold;
    }
    .matrix-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .matrix-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 2. 合集目录区 (目录树与卡片) */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .catalog-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .catalog-img-wrap {
      height: 180px;
      overflow: hidden;
      background: #E2E8F0;
      position: relative;
    }
    .catalog-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      transition: transform 0.5s ease;
    }
    .catalog-card:hover .catalog-img-wrap img {
      transform: scale(1.05);
    }
    .catalog-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 82, 186, 0.85);
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .catalog-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .catalog-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .catalog-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .catalog-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border);
      padding-top: 14px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 3. 相关推荐 (硬件展区) */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }
    .product-thumb {
      height: 190px;
      margin-bottom: 20px;
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .product-name {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .product-specs {
      list-style: none;
      margin: 16px 0;
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .product-specs li {
      padding: 5px 0;
      border-bottom: 1px dashed var(--border);
      display: flex;
      justify-content: space-between;
    }

    /* 4. 痛点与业务挑战 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .pain-card {
      background: #FFF5F5;
      border: 1px solid #FED7D7;
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
    }
    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 20px rgba(229, 62, 62, 0.08);
      border-color: #FEB2B2;
    }
    .pain-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: #FED7D7;
      color: #E53E3E;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: bold;
      margin-bottom: 14px;
    }
    .pain-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #9B2C2C;
      margin-bottom: 8px;
    }
    .pain-desc {
      font-size: 0.88rem;
      color: #742A2A;
      line-height: 1.6;
    }

    /* 5. 核心技术优势 (2x3) */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-item {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      transition: var(--transition);
    }
    .feature-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }
    .feature-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 14px;
    }
    .feature-icon-box {
      width: 46px;
      height: 46px;
      background: #EEF4FF;
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
    }
    .feature-item-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .feature-item-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 6. 软硬件架构展示 (图文对称) */
    .arch-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-left-img {
      position: relative;
    }
    .arch-badge-float {
      position: absolute;
      bottom: -20px;
      right: -20px;
      background: #FFFFFF;
      padding: 16px 22px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-hover);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .arch-badge-val {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
    }
    .arch-badge-lbl {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.3;
    }
    .arch-list {
      list-style: none;
      margin-top: 24px;
    }
    .arch-list li {
      margin-bottom: 18px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .arch-dot {
      width: 22px;
      height: 22px;
      background: rgba(15, 82, 186, 0.1);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 4px;
    }

    /* 7. 4步工作流时间轴 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .workflow-step {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 26px;
      position: relative;
      transition: var(--transition);
    }
    .workflow-step:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .step-num {
      font-size: 2rem;
      font-weight: 900;
      color: rgba(15, 82, 186, 0.15);
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 8. 关键运营数据统计条 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-box {
      text-align: center;
      padding: 30px 20px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
    }
    .metric-number {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 6px;
      font-family: inherit;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 600;
      color: #FFF;
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.82rem;
      color: #94A3B8;
    }

    /* 9. 票种与通行方案对比 */
    .pricing-table-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pricing-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 34px 28px;
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 15px 35px rgba(15, 82, 186, 0.12);
    }
    .featured-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--highlight);
      color: #FFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }
    .pricing-plan-name {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .pricing-target {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .pricing-features {
      list-style: none;
      margin: 20px 0 30px 0;
      flex: 1;
    }
    .pricing-features li {
      padding: 8px 0;
      font-size: 0.9rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid #F1F5F9;
    }
    .pricing-check {
      color: #10B981;
      font-weight: bold;
    }

    /* 10. 误区澄清与合规建议 */
    .misconceptions-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .mis-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 26px;
    }
    .mis-row-wrong {
      display: flex;
      gap: 12px;
      margin-bottom: 12px;
      color: #DC2626;
      font-weight: 700;
      font-size: 1.05rem;
    }
    .mis-row-right {
      display: flex;
      gap: 12px;
      color: #16A34A;
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 11. 行业动态与技术资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
      color: var(--text-main);
    }
    .news-excerpt {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
    }

    /* 12. 专题索引与技术知识库 */
    .topic-index-box {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 36px;
    }
    .topic-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .topic-pill {
      padding: 8px 18px;
      background: #F1F5F9;
      color: var(--text-main);
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .topic-pill:hover {
      background: #E0E7FF;
      color: var(--primary);
      border-color: #C7D2FE;
    }
    .topic-detail-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      border-top: 1px solid var(--border);
      padding-top: 24px;
    }
    .topic-detail-item {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      gap: 8px;
    }
    .topic-detail-item strong {
      color: var(--text-main);
    }

    /* 13. 用户口碑与客户评价 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      margin-bottom: 14px;
      font-size: 1.1rem;
    }
    .testi-quote {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .testi-user-name {
      font-size: 0.95rem;
      font-weight: 700;
    }
    .testi-user-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 14. 常见问题 FAQ (手风琴) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-details {
      background: #FFFFFF;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-details[open] {
      border-color: var(--primary);
      box-shadow: 0 4px 12px rgba(15, 82, 186, 0.06);
    }
    .faq-summary {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.2s;
    }
    .faq-details[open] .faq-icon {
      transform: rotate(45deg);
    }
    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid #F8FAFC;
    }

    /* 15. 底部收口行动区 */
    .cta-banner {
      background: linear-gradient(135deg, #0F52BA 0%, #0B132B 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
      box-shadow: 0 20px 40px rgba(15, 82, 186, 0.2);
    }
    .cta-info h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-form-box {
      background: #FFFFFF;
      padding: 30px;
      border-radius: var(--radius);
      color: var(--text-main);
    }
    .cta-form-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #0F172A;
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 82, 186, 0.15);
    }

    /* Footer */
    .site-footer {
      background-color: #060B18;
      color: #94A3B8;
      padding: 70px 0 25px 0;
      border-top: 1px solid #1E293B;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 20px;
      position: relative;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: #FFF;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.85rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-matrix,
      .pain-grid,
      .workflow-timeline,
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .catalog-grid,
      .product-grid,
      .feature-grid,
      .pricing-table-grid,
      .news-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-wrapper,
      .cta-banner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .hero-matrix,
      .pain-grid,
      .workflow-timeline,
      .metrics-bar,
      .catalog-grid,
      .product-grid,
      .feature-grid,
      .pricing-table-grid,
      .misconceptions-grid,
      .news-grid,
      .topic-detail-list,
      .testimonials-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .section {
        padding: 50px 0;
      }
      .cta-banner {
        padding: 35px 20px;
      }
    }