/* roulang page: index */
:root {
      --primary: #0F5132;
      --primary-light: #198754;
      --primary-glow: rgba(25, 135, 84, 0.2);
      --accent: #0D6EFD;
      --warning: #FFC107;
      --dark-surface: #0A1118;
      --dark-surface-elevated: #121E2A;
      --light-surface: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-white: #FFFFFF;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.03);
      --shadow-md: 0 10px 25px -5px rgba(15, 81, 50, 0.08), 0 8px 10px -6px rgba(0,0,0,0.03);
      --shadow-lg: 0 20px 30px -10px rgba(10, 17, 24, 0.15);
      --max-width: 1200px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      line-height: 1.65;
      color: var(--text-body);
      background-color: var(--light-surface);
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    /* Top Bar */
    .top-bar {
      background-color: #0F172A;
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid #1E293B;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .pulse-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
      70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--primary);
    }
    .brand-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--primary);
    }
    .main-nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
    }
    .main-nav-links a {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .main-nav-links a:hover,
    .main-nav-links a.active {
      color: var(--primary);
    }
    .main-nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }
    .main-nav-links a:hover::after,
    .main-nav-links a.active::after {
      width: 100%;
    }
    .nav-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      font-size: 0.9375rem;
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFF;
      box-shadow: 0 4px 14px rgba(15, 81, 50, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(15, 81, 50, 0.35);
    }
    .btn-outline {
      border-color: var(--border-color);
      color: var(--text-main);
      background-color: #FFF;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: #F8FAFC;
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFF;
    }
    .btn-accent:hover {
      background-color: #0b5ed7;
      transform: translateY(-2px);
    }

    /* Common Section Styles */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-dark {
      background-color: var(--dark-surface);
      color: #F8FAFC;
    }
    .section-subtle {
      background-color: #F1F5F9;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }
    .badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 0.8125rem;
      font-weight: 700;
      border-radius: 9999px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
    }
    .badge-primary {
      background: rgba(25, 135, 84, 0.12);
      color: var(--primary);
    }
    .badge-dark {
      background: rgba(255, 255, 255, 0.12);
      color: #94A3B8;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #FFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero: 短视频竖屏感主视觉 + 跟买/了解 CTA */
    .hero-section {
      background: linear-gradient(135deg, #0A1118 0%, #12241C 100%);
      color: #FFF;
      padding: 70px 0 90px;
      overflow: hidden;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-content h1 span {
      color: #22C55E;
    }
    .hero-lead {
      font-size: 1.125rem;
      color: #CBD5E1;
      margin-bottom: 32px;
      line-height: 1.8;
    }
    .hero-cta-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-features-ribbon {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .ribbon-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: #94A3B8;
    }
    .ribbon-item svg {
      width: 18px;
      height: 18px;
      fill: #22C55E;
    }

    /* 竖屏主视觉模拟 */
    .hero-phone-mockup-wrapper {
      display: flex;
      justify-content: center;
      position: relative;
    }
    .vertical-player-frame {
      width: 320px;
      height: 580px;
      background: #000;
      border-radius: 36px;
      border: 8px solid #2A3644;
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .vertical-screen-bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.85;
    }
    .screen-overlay {
      position: relative;
      z-index: 2;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 16px;
      background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 40%, rgba(0,0,0,0.85) 100%);
    }
    .screen-header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #FFF;
      font-size: 0.8rem;
    }
    .live-tag {
      background: #EF4444;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
      font-size: 0.75rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .screen-footer-content {
      color: #FFF;
    }
    .live-match-meta {
      font-size: 0.85rem;
      background: rgba(0, 0, 0, 0.55);
      backdrop-filter: blur(4px);
      padding: 8px 12px;
      border-radius: 8px;
      margin-bottom: 12px;
      border-left: 3px solid var(--primary-light);
    }
    .mock-actions-bar {
      display: flex;
      gap: 8px;
    }
    .mock-action-btn {
      flex: 1;
      padding: 8px 0;
      border-radius: 6px;
      font-size: 0.775rem;
      font-weight: 600;
      text-align: center;
      background: var(--primary);
      color: #FFF;
    }
    .mock-action-btn.secondary {
      background: rgba(255, 255, 255, 0.2);
    }

    /* 2. 入口矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .matrix-card {
      background: #FFF;
      padding: 28px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(15, 81, 50, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--primary);
    }
    .matrix-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .matrix-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 产品底座与理念 (About System) */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 24px;
    }
    .spec-table td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9375rem;
    }
    .spec-label {
      color: var(--text-muted);
      width: 38%;
      font-weight: 500;
    }
    .spec-val {
      color: var(--text-main);
      font-weight: 700;
    }

    /* 4. 核心功能 6 卡片 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #FFF;
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .feature-card .feat-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent);
      background: rgba(13, 110, 253, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 14px;
    }
    .feature-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .feature-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 方案套餐矩阵 (3 卡片对比) */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .pricing-card {
      background: #FFF;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 15px 35px -5px rgba(15, 81, 50, 0.15);
      transform: scale(1.03);
    }
    .pricing-card:hover {
      transform: translateY(-4px);
    }
    .pricing-card.featured:hover {
      transform: scale(1.03) translateY(-4px);
    }
    .pricing-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #FFF;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 20px;
    }
    .pricing-tier {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .pricing-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      min-height: 42px;
      margin-bottom: 24px;
    }
    .pricing-features {
      list-style: none;
      margin-bottom: 32px;
      flex: 1;
    }
    .pricing-features li {
      font-size: 0.9rem;
      padding: 8px 0;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-body);
      border-bottom: 1px dashed #F1F5F9;
    }
    .pricing-features li svg {
      width: 16px;
      height: 16px;
      fill: var(--primary);
      flex-shrink: 0;
    }

    /* 6. 技术底座架构 (深色背景区块) */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
      position: relative;
    }
    .arch-node {
      background: var(--dark-surface-elevated);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-dark);
      position: relative;
    }
    .arch-node-step {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 800;
      margin-bottom: 8px;
    }
    .arch-node h3 {
      font-size: 1.05rem;
      color: #FFF;
      margin-bottom: 10px;
    }
    .arch-node p {
      font-size: 0.85rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 7. 使用场景与交互演示 Tab */
    .tabs-nav {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 36px;
    }
    .tab-btn {
      padding: 10px 24px;
      border-radius: 30px;
      background: #FFF;
      border: 1px solid var(--border-color);
      font-weight: 600;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
    }
    .tab-btn.active, .tab-btn:hover {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .tab-panel {
      display: none;
      animation: fadeIn 0.3s ease;
    }
    .tab-panel.active {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .tab-image-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    /* 8. 标杆故事 / 案例图文 */
    .case-story-card {
      background: #FFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
    }
    .case-content {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-content h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .case-content p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .case-metrics-bar {
      display: flex;
      gap: 32px;
    }
    .c-metric-val {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
    }
    .c-metric-lbl {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 9. 核心指标数据条 (Metrics) */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-item {
      padding: 30px 20px;
      background: #FFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
      line-height: 1.1;
    }
    .stat-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .stat-sub {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 10. 用户评价墙 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #FFF;
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 14px;
    }
    .testi-text {
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #CBD5E1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #475569;
    }
    .author-info h4 {
      font-size: 0.9375rem;
      color: var(--text-main);
    }
    .author-info span {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 11. 行业资讯与技术动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #FFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-thumb {
      height: 180px;
      overflow: hidden;
      background: #E2E8F0;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-date {
      font-size: 0.8125rem;
      color: var(--accent);
      margin-bottom: 8px;
      font-weight: 600;
    }
    .news-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-excerpt {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 12. FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item details {
      width: 100%;
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon-arrow {
      width: 18px;
      height: 18px;
      fill: var(--text-muted);
      transition: transform 0.25s ease;
    }
    .faq-item details[open] summary {
      background-color: #F8FAFC;
      border-bottom: 1px solid var(--border-color);
      color: var(--primary);
    }
    .faq-item details[open] .faq-icon-arrow {
      transform: rotate(180deg);
      fill: var(--primary);
    }
    .faq-answer {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      background-color: #FAFCFE;
    }

    /* 13. 底部收口行动区 (CTA) */
    .cta-wrapper {
      background: linear-gradient(135deg, #0A1118 0%, #0F3822 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
      color: #FFF;
      box-shadow: var(--shadow-lg);
    }
    .cta-text h2 {
      font-size: 2.1rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-text p {
      font-size: 1rem;
      color: #CBD5E1;
      line-height: 1.7;
    }
    .cta-form {
      background: #FFF;
      padding: 32px;
      border-radius: var(--radius-md);
      color: var(--text-main);
      box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    }
    .cta-form h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 18px;
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-body);
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      background: #F8FAFC;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.15);
    }

    /* Footer */
    .site-footer {
      background: #080D12;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid #1E293B;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 20px;
      max-width: 380px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #22C55E;
    }
    .footer-trust-info {
      line-height: 1.8;
    }
    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid #1E293B;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
      .pricing-card.featured { transform: none; }
      .pricing-card.featured:hover { transform: translateY(-4px); }
      .arch-flow-grid { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonials-grid { grid-template-columns: 1fr; }
      .cta-wrapper { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-phone-mockup-wrapper { order: -1; margin-bottom: 20px; }
      .vertical-player-frame { width: 280px; height: 500px; }
      .about-grid { grid-template-columns: 1fr; }
      .features-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: 1fr; }
      .arch-flow-grid { grid-template-columns: 1fr; }
      .tab-panel.active { grid-template-columns: 1fr; }
      .case-story-card { grid-template-columns: 1fr; }
      .case-content { padding: 24px; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .main-nav-links { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .cta-wrapper { padding: 36px 20px; }
      .section-title { font-size: 1.75rem; }
      .hero-content h1 { font-size: 2rem; }
    }