/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --primary-light: #2563EB;
      --accent: #0EA5E9;
      --success: #10B981;
      --bg-body: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-alt: #F1F5F9;
      --bg-dark: #0F172A;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 12px 30px -4px rgba(37, 99, 235, 0.12);
      --shadow-dark: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }

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

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-body);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部微通栏 */
    .top-bar {
      background-color: #0B132B;
      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;
    }
    .top-bar-links {
      display: flex;
      gap: 20px;
    }
    .top-bar-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 主导航栏 */
    .header {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .logo-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      box-shadow: 0 2px 10px rgba(30, 64, 175, 0.3);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .header-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      gap: 8px;
      line-height: 1.2;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(30, 64, 175, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background-color: rgba(30, 64, 175, 0.05);
      border-color: var(--primary-hover);
    }
    .btn-white {
      background-color: #FFFFFF;
      color: var(--text-main);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    .btn-white:hover {
      background-color: #F8FAFC;
      transform: translateY(-2px);
    }
    .btn-lg {
      padding: 15px 32px;
      font-size: 16px;
    }

    /* 板块通用 */
    .section {
      padding-top: 88px;
      padding-bottom: 88px;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1px;
      background-color: rgba(37, 99, 235, 0.08);
      padding: 6px 14px;
      border-radius: 9999px;
      margin-bottom: 16px;
    }
    .section-dark .section-tag {
      color: var(--accent);
      background-color: rgba(14, 165, 233, 0.15);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Hero 板块 (沉浸影视海报暗底风格) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(30, 64, 175, 0.4) 0%, rgba(15, 23, 42, 0.95) 70%), url('/assets/images/0bc8100bdefa32fb.jpg') center/cover no-repeat;
      color: #FFFFFF;
      padding: 100px 0 110px;
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-group {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .hot-badge {
      background: linear-gradient(90deg, #EF4444 0%, #F59E0B 100%);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
    }
    .hero-subtag {
      font-size: 14px;
      color: #CBD5E1;
      letter-spacing: 0.5px;
    }
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(90deg, #38BDF8 0%, #818CF8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 36px;
      text-align: justify;
    }
    .hero-action {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-stats-inline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-stat-val {
      font-size: 26px;
      font-weight: 700;
      color: #38BDF8;
    }
    .hero-stat-lbl {
      font-size: 13px;
      color: #94A3B8;
      margin-top: 4px;
    }
    .hero-poster-card {
      background: rgba(30, 41, 59, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 16px;
      backdrop-filter: blur(12px);
      box-shadow: var(--shadow-dark);
      position: relative;
    }
    .hero-poster-img {
      border-radius: var(--radius-md);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-poster-overlay {
      position: absolute;
      bottom: 28px;
      left: 28px;
      right: 28px;
      background: rgba(15, 23, 42, 0.85);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* 卖点三连卡片 */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .card-highlight {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-md);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .card-highlight::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .card-highlight:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, 0.3);
    }
    .card-highlight:hover::before {
      opacity: 1;
    }
    .card-icon-box {
      width: 56px;
      height: 56px;
      border-radius: var(--radius-md);
      background-color: rgba(30, 64, 175, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 24px;
      font-weight: 700;
    }
    .card-highlight-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .card-highlight-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 产品体系与技术标准 (图文交错) */
    .standard-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .standard-img-wrapper {
      position: relative;
    }
    .standard-img {
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .spec-badge {
      position: absolute;
      bottom: -20px;
      right: 20px;
      background: var(--bg-white);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
      border: 1px solid var(--border-color);
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .spec-badge-val {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
    }
    .spec-badge-txt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.4;
    }
    .feature-check-list {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .feature-check-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 15px;
      color: var(--text-body);
    }
    .check-icon {
      color: var(--success);
      font-weight: 800;
      font-size: 16px;
      line-height: 1.5;
    }

    /* 6格优势矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background-color: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .matrix-card:hover {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .matrix-tag {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent);
      background: rgba(14, 165, 233, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .matrix-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .matrix-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 热门套件与场景演示 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .sol-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .sol-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .sol-img {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .sol-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .sol-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .sol-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .sol-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 20px;
    }
    .sol-tag-pill {
      font-size: 12px;
      background: var(--bg-alt);
      color: var(--text-muted);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 安全架构 (深色背景) */
    .security-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .sec-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .sec-item {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .sec-item-title {
      color: #38BDF8;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .sec-item-p {
      color: #94A3B8;
      font-size: 13px;
      line-height: 1.6;
    }

    /* 用户故事与实践案例 */
    .story-card-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .story-info {
      padding: 48px;
    }
    .story-quote {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
    }
    .story-stats-row {
      display: flex;
      gap: 36px;
      margin-top: 30px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .story-stat-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
    }
    .story-stat-txt {
      font-size: 13px;
      color: var(--text-muted);
    }
    .story-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 关键数据条 */
    .metrics-bar {
      background: #0B132B;
      color: #FFFFFF;
      padding: 50px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-value {
      font-size: 38px;
      font-weight: 800;
      color: #38BDF8;
      margin-bottom: 6px;
    }
    .metric-title {
      font-size: 15px;
      color: #94A3B8;
    }

    /* 用户口碑 Testimonials */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .testi-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-text {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .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-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 对比差异表格 */
    .compare-table-wrapper {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background-color: #F8FAFC;
      font-weight: 700;
      color: var(--text-main);
    }
    .compare-table th.highlight, .compare-table td.highlight {
      background-color: rgba(37, 99, 235, 0.03);
      color: var(--primary);
      font-weight: 600;
    }

    /* 资讯与技术报告 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .news-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .news-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item[open] {
      border-color: var(--primary);
    }
    .faq-summary {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.2s ease;
    }
    .faq-item[open] .faq-summary::after {
      content: '−';
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid rgba(0,0,0,0.03);
    }

    /* 保障条与收口 CTA */
    .guarantee-bar {
      background: #FFFFFF;
      padding: 36px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      text-align: center;
    }
    .guarantee-item-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .guarantee-item-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    .cta-banner {
      background: linear-gradient(135deg, #1E3A8A 0%, #0F172A 100%), url('/assets/images/c2f2b6b088852c54.jpg') center/cover no-repeat;
      padding: 80px 0;
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      text-align: center;
      margin: 40px auto;
      box-shadow: var(--shadow-dark);
    }
    .cta-form-box {
      max-width: 580px;
      margin: 32px auto 0;
      display: flex;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      padding: 8px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .cta-input {
      flex: 1;
      padding: 14px 18px;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 15px;
      outline: none;
    }

    /* 页脚 */
    .footer {
      background-color: #0B132B;
      color: #94A3B8;
      padding: 70px 0 30px;
      font-size: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand {
      color: #FFFFFF;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-p {
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* 底部悬浮固定条 */
    .sticky-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding: 12px 24px;
      backdrop-filter: blur(10px);
      z-index: 99;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transform: translateY(100%);
      transition: transform 0.3s ease-in-out;
    }
    .sticky-bar.visible {
      transform: translateY(0);
    }
    .sticky-info {
      color: #FFFFFF;
      font-size: 14px;
    }

    /* 移动端菜单按钮与响应式适配 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-main);
    }

    @media (max-width: 1024px) {
      .hero-grid, .standard-grid, .security-box, .story-card-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .highlights-grid, .matrix-grid, .solutions-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-title {
        font-size: 36px;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.open {
        display: flex;
      }
      .highlights-grid, .matrix-grid, .solutions-grid, .testi-grid, .news-grid, .metrics-grid, .guarantee-grid, .sec-feature-list {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-form-box {
        flex-direction: column;
      }
      .hero-stats-inline {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 28px;
      }
      .section {
        padding-top: 56px;
        padding-bottom: 56px;
      }
      .sticky-bar {
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }
    }