/* roulang page: index */
:root {
      --bg-primary: #0F1115;
      --bg-secondary: #161920;
      --bg-elevated: #1E222B;
      --bg-card: rgba(22, 25, 32, 0.85);
      --border-color: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(0, 229, 117, 0.35);
      --accent-green: #00E575;
      --accent-cyan: #00C2FF;
      --text-primary: #F4F5F7;
      --text-muted: #9CA3AF;
      --text-dim: #6B7280;
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --radius-sm: 4px;
      --radius-md: 8px;
      --transition-fast: 0.2s ease;
      --transition-normal: 0.3s ease;
      --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      background-color: var(--bg-primary);
      color: var(--text-primary);
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    body {
      overflow-x: hidden;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    ul, ol {
      list-style: none;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .section-wrap {
      padding-top: 96px;
      padding-bottom: 96px;
      position: relative;
    }
    .section-wrap.alt-bg {
      background-color: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      background: rgba(0, 229, 117, 0.1);
      border: 1px solid rgba(0, 229, 117, 0.25);
      color: var(--accent-green);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .section-badge.cyan {
      background: rgba(0, 194, 255, 0.1);
      border-color: rgba(0, 194, 255, 0.25);
      color: var(--accent-cyan);
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.01em;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }
    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition-fast);
      border: 1px solid transparent;
      outline: none;
    }
    .btn-primary {
      background-color: var(--accent-green);
      color: #05160E;
    }
    .btn-primary:hover {
      background-color: #1aff85;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px rgba(0, 229, 117, 0.35);
    }
    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-primary);
    }
    .btn-outline:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 194, 255, 0.05);
      transform: translateY(-2px);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 17, 21, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-topbar {
      background-color: #0B0D10;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      padding: 6px 0;
      font-size: 12px;
      color: var(--text-dim);
    }
    .header-topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: var(--accent-green);
      box-shadow: 0 0 8px var(--accent-green);
      animation: pulse 2s infinite ease-in-out;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    .header-main .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.01em;
    }
    .brand-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #05160E;
      font-weight: 900;
      font-size: 15px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-item {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
      transition: color var(--transition-fast);
    }
    .nav-item:hover, .nav-item.active {
      color: var(--accent-green);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* 板块 01: Hero 门户双栏 */
    #hero {
      position: relative;
      padding: 80px 0 100px;
      background-image: linear-gradient(180deg, rgba(15, 17, 21, 0.85) 0%, rgba(15, 17, 21, 0.98) 100%), url('/assets/images/51cdbfb42df8c5eb.jpg');
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
      color: var(--text-primary);
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
      max-width: 600px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 32px;
      flex-wrap: wrap;
    }
    .hero-quick-portal {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-card);
    }
    .quick-portal-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
    }
    .quick-portal-title span {
      font-size: 12px;
      color: var(--accent-cyan);
      font-weight: 400;
    }
    .portal-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .portal-card {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px;
      transition: all var(--transition-fast);
    }
    .portal-card:hover {
      border-color: var(--accent-green);
      background: rgba(0, 229, 117, 0.04);
      transform: translateY(-2px);
    }
    .portal-card-tag {
      font-size: 11px;
      color: var(--accent-cyan);
      font-weight: 600;
      margin-bottom: 4px;
    }
    .portal-card-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 4px;
    }
    .portal-card-desc {
      font-size: 12px;
      color: var(--text-dim);
      line-height: 1.4;
    }

    /* 板块 02: 数据指标条 */
    #metrics-bar {
      background: #0B0D11;
      padding: 36px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .metrics-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-col {
      padding: 0 16px;
      border-left: 1px solid var(--border-color);
    }
    .metric-col:first-child {
      border-left: none;
      padding-left: 0;
    }
    .metric-val {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.02em;
      margin-bottom: 4px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .metric-val span {
      font-size: 15px;
      font-weight: 600;
      color: var(--accent-green);
    }
    .metric-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 2px;
    }
    .metric-sub {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 板块 03: 架构全景 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-specs {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }
    .spec-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .spec-title {
      color: var(--text-muted);
    }
    .spec-value {
      color: var(--accent-cyan);
      font-weight: 600;
    }
    .arch-narrative h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-primary);
    }
    .arch-narrative p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 板块 04: 核心服务网格 (3x2) */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all var(--transition-fast);
      position: relative;
    }
    .service-card:hover {
      border-color: var(--border-highlight);
      transform: translateY(-4px);
      box-shadow: var(--shadow-card);
    }
    .service-card-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(0, 194, 255, 0.08);
      border: 1px solid rgba(0, 194, 255, 0.2);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 20px;
    }
    .service-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .tag-pill {
      font-size: 11px;
      padding: 3px 8px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-dim);
    }

    /* 板块 05: 核心产品三联卡片 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .product-plan-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: all var(--transition-fast);
    }
    .product-plan-card.featured {
      background: #191E27;
      border-color: var(--accent-green);
      transform: translateY(-8px);
      box-shadow: 0 16px 36px rgba(0, 229, 117, 0.15);
    }
    .plan-badge {
      position: absolute;
      top: -12px;
      left: 28px;
      background: var(--accent-green);
      color: #05160E;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: var(--radius-sm);
    }
    .plan-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-primary);
    }
    .plan-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 38px;
    }
    .plan-features {
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .plan-features li {
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .plan-features li::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: 800;
    }

    /* 板块 06: 场景演示与控制台沙盒 */
    .sandbox-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .sandbox-tabs {
      display: flex;
      background: rgba(0, 0, 0, 0.3);
      border-bottom: 1px solid var(--border-color);
      padding: 0 16px;
    }
    .sandbox-tab {
      padding: 16px 24px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      cursor: pointer;
      border-bottom: 2px solid transparent;
      transition: all var(--transition-fast);
    }
    .sandbox-tab.active {
      color: var(--accent-green);
      border-bottom-color: var(--accent-green);
    }
    .sandbox-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      padding: 32px;
      gap: 32px;
    }
    .mock-console {
      background: #0B0D11;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
      font-family: monospace;
      font-size: 13px;
    }
    .console-line {
      margin-bottom: 8px;
      display: flex;
      gap: 8px;
    }
    .console-time { color: var(--text-dim); }
    .console-tag { color: var(--accent-cyan); }
    .console-msg { color: var(--text-primary); }

    /* 板块 07: 深色沉浸式风控 */
    .security-section {
      background: #090B0E;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .security-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .security-box {
      border: 1px solid rgba(255, 255, 255, 0.05);
      background: rgba(255, 255, 255, 0.01);
      padding: 28px;
      border-radius: var(--radius-md);
    }
    .security-box h4 {
      font-size: 18px;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    .security-box p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 08: 多端体验 Z字形 */
    .z-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 64px;
    }
    .z-row:last-child {
      margin-bottom: 0;
    }
    .z-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    /* 板块 09: 对比矩阵表格 */
    .table-container {
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .comparison-table th, .comparison-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .comparison-table th {
      background: rgba(0, 0, 0, 0.2);
      color: var(--text-muted);
      font-weight: 600;
    }
    .comparison-table td {
      color: var(--text-primary);
    }
    .highlight-col {
      background: rgba(0, 229, 117, 0.03);
      font-weight: 600;
      color: var(--accent-green) !important;
    }

    /* 板块 10: 客户评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .testimonial-stars {
      color: var(--accent-green);
      font-size: 14px;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .testimonial-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .testimonial-author {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
    }
    .testimonial-role {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 板块 11: 行业动态与内嵌资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-card-img {
      height: 180px;
      object-fit: cover;
      width: 100%;
      border-bottom: 1px solid var(--border-color);
    }
    .news-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 12px;
      color: var(--accent-cyan);
      margin-bottom: 8px;
    }
    .news-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 8px;
    }
    .news-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    /* 板块 12: FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--accent-green);
    }
    .faq-icon {
      font-size: 18px;
      transition: transform var(--transition-fast);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--accent-green);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid rgba(255, 255, 255, 0.02);
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 板块 13: 终极转化与试用接入表单 */
    .cta-box {
      background: radial-gradient(circle at center, #1C2430 0%, #11141A 100%);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-md);
      padding: 56px 40px;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    }
    .cta-box h3 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-primary);
    }
    .cta-box p {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 620px;
      margin: 0 auto 32px;
    }
    .cta-form {
      display: flex;
      max-width: 520px;
      margin: 0 auto 16px;
      gap: 8px;
    }
    .form-input {
      flex: 1;
      padding: 12px 16px;
      background: rgba(0, 0, 0, 0.5);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-primary);
      font-size: 14px;
      outline: none;
      transition: border-color var(--transition-fast);
    }
    .form-input:focus {
      border-color: var(--accent-green);
    }
    .form-notice {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 底部悬浮条 */
    .bottom-float-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 17, 21, 0.95);
      border-top: 1px solid var(--border-color);
      backdrop-filter: blur(10px);
      padding: 12px 0;
      z-index: 99;
      transform: translateY(100%);
      transition: transform var(--transition-normal);
    }
    .bottom-float-bar.visible {
      transform: translateY(0);
    }
    .bottom-float-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .float-info {
      font-size: 14px;
      color: var(--text-primary);
    }
    .float-info span {
      color: var(--accent-green);
      font-weight: 600;
    }

    /* 页脚 */
    .site-footer {
      background: #0B0D10;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px;
      margin-top: auto;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.6;
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 16px;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--accent-green);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-dim);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .sandbox-body, .z-row {
        grid-template-columns: 1fr;
      }
      .grid-3x2, .pricing-grid, .security-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-flex {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-col {
        border-left: none;
        padding: 0;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .header-topbar {
        display: none;
      }
      .nav-links, .nav-cta .btn-primary {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .mobile-menu-drawer {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px;
        flex-direction: column;
        gap: 16px;
      }
      .mobile-menu-drawer.open {
        display: flex;
      }
      .grid-3x2, .pricing-grid, .security-grid, .testimonial-grid, .news-grid, .portal-grid {
        grid-template-columns: 1fr;
      }
      .metrics-flex {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .section-wrap {
        padding-top: 60px;
        padding-bottom: 60px;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .product-plan-card.featured {
        transform: none;
      }
    }