:root {
      --bg-main: #f8faff;
      --bg-card: #ffffff;
      --bg-alt: #f1f5fd;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #4338ca;
      --neon-cyan: #06b6d4;
      --neon-pink: #ec4899;
      --neon-violet: #8b5cf6;
      --neon-amber: #f59e0b;
      --border-light: rgba(148, 163, 184, 0.25);
      --neon-border: rgba(99, 102, 241, 0.2);
      --neon-glow: 0 8px 30px rgba(99, 102, 241, 0.12);
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 10%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 45%),
                  radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
                  var(--bg-main);
      background-attachment: fixed;
      min-height: 100vh;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-logo-wrap {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: #ffffff;
      box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    }
    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 999px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      text-decoration: none;
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s ease;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-neon {
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
    }
    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    }
    .btn-outline {
      background: #ffffff;
      color: var(--text-main);
      border-color: rgba(99, 102, 241, 0.4);
    }
    .btn-outline:hover {
      background: var(--bg-alt);
      border-color: var(--primary);
      transform: translateY(-2px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero */
    .hero-section {
      padding: 64px 0 48px;
      text-align: center;
      position: relative;
    }
    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--neon-border);
      border-radius: 999px;
      padding: 6px 18px;
      margin-bottom: 24px;
      box-shadow: var(--neon-glow);
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }
    .hero-badge-text {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
    }
    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .neon-gradient-text {
      background: linear-gradient(135deg, #3730a3 10%, #0284c7 45%, #db2777 90%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }
    .hero-desc {
      max-width: 820px;
      margin: 0 auto 32px;
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-btn-main {
      font-size: 16px;
      padding: 14px 34px;
      border-radius: 10px;
      background: linear-gradient(135deg, #4338ca, #0891b2);
      color: #ffffff;
      text-decoration: none;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(8, 145, 178, 0.35);
      border: none;
      transition: all 0.25s;
    }
    .hero-btn-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(67, 56, 202, 0.45);
    }
    .hero-btn-sub {
      font-size: 16px;
      padding: 14px 28px;
      border-radius: 10px;
      background: #ffffff;
      color: var(--text-main);
      text-decoration: none;
      font-weight: 600;
      border: 1px solid #cbd5e1;
      transition: all 0.25s;
    }
    .hero-btn-sub:hover {
      border-color: var(--primary);
      background: #f8fafc;
      transform: translateY(-2px);
    }

    /* 首屏数据指标卡片 */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1040px;
      margin: 0 auto;
    }
    .metric-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid var(--neon-border);
      border-radius: 14px;
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--neon-glow);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 32px rgba(99, 102, 241, 0.18);
    }
    .metric-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      background: linear-gradient(135deg, #3730a3, #0284c7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .metric-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 通用区块排版 */
    .section-wrap {
      padding: 72px 0;
      border-top: 1px solid rgba(226, 232, 240, 0.7);
    }
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: #4f46e5;
      background: rgba(99, 102, 241, 0.1);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .feature-card {
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--neon-border);
      padding: 28px;
      box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px rgba(99, 102, 241, 0.12);
      border-color: rgba(99, 102, 241, 0.4);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(139, 92, 246, 0.15));
      color: var(--primary);
    }
    .card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* 平台支持模型标签流 */
    .models-marquee-wrap {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 14px;
      padding: 24px;
      margin-top: 36px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }
    .models-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-light);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 16px;
      text-align: center;
    }
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .model-badge {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      background: var(--bg-alt);
      border: 1px solid rgba(99, 102, 241, 0.15);
      padding: 6px 14px;
      border-radius: 8px;
      transition: all 0.2s;
    }
    .model-badge:hover {
      background: #4338ca;
      color: #ffffff;
      border-color: #4338ca;
    }

    /* 流程步骤 */
    .step-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 14px;
      padding: 24px;
      position: relative;
      box-shadow: 0 4px 16px rgba(0,0,0,0.03);
    }
    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
      color: #ffffff;
      font-weight: 800;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
    }
    .step-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 媒体与案例 */
    .media-card {
      background: #ffffff;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 20px rgba(0,0,0,0.04);
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease;
    }
    .media-card:hover {
      transform: translateY(-4px);
    }
    .media-img-holder {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e2e8f0;
      overflow: hidden;
    }
    .media-img-holder.square {
      aspect-ratio: 1 / 1;
    }
    .media-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .media-card:hover .media-img-holder img {
      transform: scale(1.03);
    }
    .media-body {
      padding: 20px;
      flex-grow: 1;
    }
    .media-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--neon-pink);
      margin-bottom: 6px;
      display: block;
    }
    .media-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .media-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测高亮板块 */
    .review-highlight-box {
      background: linear-gradient(135deg, rgba(67, 56, 202, 0.05), rgba(6, 182, 212, 0.05));
      border: 2px solid rgba(99, 102, 241, 0.3);
      border-radius: 18px;
      padding: 32px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--neon-glow);
    }
    .review-score-pane {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-big {
      font-size: 54px;
      font-weight: 900;
      color: #4338ca;
      line-height: 1;
      letter-spacing: -1px;
    }
    .stars-box {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .score-desc {
      font-size: 13px;
      color: var(--text-muted);
    }
    .review-summary-p {
      flex: 1;
      min-width: 280px;
      font-size: 15px;
      color: var(--text-main);
      line-height: 1.7;
    }

    /* 对比表格 */
    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--border-light);
      box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .custom-table th,
    .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }
    .custom-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }
    .custom-table tr:hover td {
      background: #fbfcfe;
    }
    .highlight-col {
      background: rgba(99, 102, 241, 0.04);
      font-weight: 600;
      color: var(--primary);
    }
    .tag-good {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      background: #dcfce7;
      color: #15803d;
    }

    /* 用户评论 */
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 14px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 4px 16px rgba(0,0,0,0.03);
    }
    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-violet));
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .user-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .user-role {
      font-size: 12px;
      color: var(--text-light);
    }
    .review-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 表单区域 */
    .form-container-box {
      background: #ffffff;
      border-radius: 18px;
      border: 1px solid var(--neon-border);
      padding: 40px;
      box-shadow: var(--neon-glow);
      max-width: 820px;
      margin: 0 auto;
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-bottom: 20px;
    }
    .form-group-full {
      grid-column: span 2;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
      font-size: 14px;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }
    .submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 8px;
      background: linear-gradient(135deg, #4338ca, #0891b2);
      color: #ffffff;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 16px rgba(8, 145, 178, 0.3);
      transition: all 0.25s;
    }
    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(67, 56, 202, 0.4);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid var(--border-light);
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item.active {
      border-color: rgba(99, 102, 241, 0.4);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #fcfdfe;
    }
    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 行业资讯 & 最新文章 */
    .news-box {
      background: #ffffff;
      border-radius: 14px;
      border: 1px solid var(--border-light);
      padding: 28px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }
    .articles-stream {
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px dashed #e2e8f0;
      font-size: 14px;
      color: var(--text-muted);
    }
    .articles-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 12px;
    }
    .article-item-link {
      display: inline-block;
      padding: 10px 14px;
      background: var(--bg-alt);
      border-radius: 8px;
      color: var(--text-main);
      text-decoration: none;
      font-size: 13px;
      font-weight: 600;
      transition: all 0.2s;
      border: 1px solid transparent;
    }
    .article-item-link:hover {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateX(3px);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 56px 0 24px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .footer-col p {
      font-size: 13px;
      line-height: 1.7;
      margin-bottom: 10px;
    }
    .footer-qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .footer-qr-img {
      width: 90px;
      height: 90px;
      padding: 4px;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
    }
    .footer-qr-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-links-list li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }
    .footer-links-list li a:hover {
      color: var(--primary);
    }

    /* 友情链接与底部栏 */
    .friend-links-box {
      padding: 20px 0;
      border-top: 1px solid #f1f5f9;
      border-bottom: 1px solid #f1f5f9;
      margin-bottom: 24px;
    }
    .friend-links-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .friend-links-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .friend-links-flow a {
      color: var(--text-light);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }
    .friend-links-flow a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-light);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮工具栏 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--neon-border);
      box-shadow: 0 4px 16px rgba(0,0,0,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      text-decoration: none;
      font-size: 18px;
      transition: all 0.2s;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }
    .qr-tooltip {
      position: absolute;
      right: 56px;
      bottom: 0;
      width: 140px;
      padding: 10px;
      background: #ffffff;
      border-radius: 10px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.15);
      border: 1px solid var(--border-light);
      display: none;
      text-align: center;
    }
    .qr-tooltip img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      display: block;
    }
    .qr-tooltip span {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 6px;
      display: block;
    }
    .float-item-kefu:hover .qr-tooltip {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .mobile-menu-active .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-light);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.06);
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 28px;
      }
      .hero-metrics-grid {
        grid-template-columns: 1fr;
      }
      .grid-3, .grid-2, .grid-4 {
        grid-template-columns: 1fr;
      }
      .step-list {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-highlight-box {
        flex-direction: column;
        align-items: flex-start;
      }
    }