:root {
      --primary: #4f46e5;
      --primary-light: #818cf8;
      --secondary: #06b6d4;
      --accent-pink: #ec4899;
      --accent-orange: #f97316;
      --accent-green: #10b981;
      --accent-yellow: #f59e0b;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
      --shadow-hover: 0 20px 25px -5px rgba(99, 102, 241, 0.15), 0 10px 10px -5px rgba(99, 102, 241, 0.04);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --max-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(236, 72, 153, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.04) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

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

    /* 顶部彩虹光晕线条 */
    .rainbow-bar {
      height: 4px;
      width: 100%;
      background: linear-gradient(90deg, #ec4899, #8b5cf6, #3b82f6, #06b6d4, #10b981, #f59e0b);
      position: sticky;
      top: 0;
      z-index: 1001;
    }

    /* 顶部导航 */
    header.site-header {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 4px;
      z-index: 1000;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 20px;
      font-weight: 700;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      font-size: 15px;
      font-weight: 500;
      color: #475569;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      text-align: center;
    }

    .btn-rainbow {
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-rainbow:hover {
      background: linear-gradient(135deg, #4338ca, #db2777);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
      color: #ffffff;
    }

    .btn-outline {
      border-color: #cbd5e1;
      background: #ffffff;
      color: #334155;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(79, 70, 229, 0.04);
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用Section */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .badge-pill {
      display: inline-block;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(236, 72, 153, 0.1));
      color: var(--primary);
      border: 1px solid rgba(79, 70, 229, 0.15);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero 区域（无图片纯色渐变几何） */
    .hero-section {
      padding: 90px 0 70px 0;
      background: radial-gradient(120% 80% at 50% -20%, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.08) 50%, transparent 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      border: 1px solid #e0e7ff;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .rainbow-text {
      background: linear-gradient(135deg, #4f46e5, #ec4899, #f59e0b);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: #475569;
      line-height: 1.8;
      margin-bottom: 36px;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-hero-primary {
      padding: 14px 36px;
      font-size: 17px;
      font-weight: 700;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .metric-box {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }

    .metric-box:hover {
      transform: translateY(-3px);
      border-color: rgba(99, 102, 241, 0.3);
      box-shadow: var(--shadow-md);
    }

    .metric-num {
      font-size: 28px;
      font-weight: 800;
      color: #1e293b;
      margin-bottom: 4px;
    }

    .metric-num.c1 { color: #4f46e5; }
    .metric-num.c2 { color: #06b6d4; }
    .metric-num.c3 { color: #ec4899; }
    .metric-num.c4 { color: #10b981; }

    .metric-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台支持模型标签滚动条 */
    .model-strip {
      background: #ffffff;
      padding: 24px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .model-strip-title {
      font-size: 13px;
      text-align: center;
      color: var(--text-muted);
      margin-bottom: 16px;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .tag-pill {
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: #f1f5f9;
      color: #334155;
      border: 1px solid #e2e8f0;
      transition: all 0.2s ease;
    }

    .tag-pill:hover {
      background: #4f46e5;
      color: #ffffff;
      border-color: #4f46e5;
      transform: translateY(-1px);
    }

    /* 服务能力卡片网格 */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, #4f46e5, #06b6d4);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .feature-card:hover::before {
      opacity: 1;
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .icon-1 { background: linear-gradient(135deg, #4f46e5, #818cf8); }
    .icon-2 { background: linear-gradient(135deg, #06b6d4, #38bdf8); }
    .icon-3 { background: linear-gradient(135deg, #ec4899, #f472b6); }
    .icon-4 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
    .icon-5 { background: linear-gradient(135deg, #10b981, #34d399); }
    .icon-6 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

    .card-title {
      font-size: 19px;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .card-tag-item {
      font-size: 12px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 3px 8px;
      border-radius: 4px;
      color: #64748b;
    }

    /* 图文与案例中心 */
    .case-layout {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .media-card-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }

    .media-card-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .media-card-wrap:hover img {
      transform: scale(1.02);
    }

    .banner-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .banner-item-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      background: #ffffff;
    }

    .banner-item-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 流程与步骤 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.1);
      padding: 4px 10px;
      border-radius: var(--radius-full);
      display: inline-block;
      margin-bottom: 14px;
    }

    .step-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测模块 */
    .review-score-banner {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-lg);
    }

    .score-left h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 15px;
      color: #c7d2fe;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .stars {
      color: #fbbf24;
      font-size: 24px;
      letter-spacing: 2px;
    }

    .score-badge {
      background: linear-gradient(135deg, #ec4899, #f59e0b);
      padding: 10px 20px;
      border-radius: var(--radius-full);
      font-size: 22px;
      font-weight: 900;
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    table.custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    table.custom-table th,
    table.custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    table.custom-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #334155;
    }

    table.custom-table tr:last-child td {
      border-bottom: none;
    }

    .tag-strong {
      color: var(--primary);
      font-weight: 700;
    }

    /* 客户评论卡片 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .review-name {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
    }

    .review-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    .review-text {
      font-size: 14px;
      color: #475569;
      line-height: 1.6;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background: #f8fafc;
    }

    .faq-icon {
      font-size: 18px;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    /* 需求表单与联系 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #f8fafc;
      outline: none;
      transition: all 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    .contact-info-card {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .info-row {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .info-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
    }

    .info-val {
      font-size: 15px;
      font-weight: 700;
      color: #1e293b;
    }

    .qr-box {
      margin-top: 10px;
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .qr-box img {
      max-width: 130px;
      height: auto;
      border-radius: 4px;
      margin-bottom: 8px;
    }

    .qr-box p {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 文章与资讯 */
    .article-list-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-links {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .article-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 500;
      color: #334155;
      border: 1px solid #e2e8f0;
      transition: all 0.2s ease;
    }

    .article-item:hover {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 友情链接与页脚 */
    footer.site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 14px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      padding-bottom: 40px;
      border-bottom: 1px solid #1e293b;
      margin-bottom: 30px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .footer-col h5 {
      color: #f8fafc;
      font-size: 15px;
      margin-bottom: 16px;
      font-weight: 600;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #94a3b8;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      margin-top: 20px;
      padding: 20px;
      background: #1e293b;
      border-radius: var(--radius-md);
    }

    .friend-links-title {
      font-size: 14px;
      font-weight: 600;
      color: #e2e8f0;
      margin-bottom: 12px;
    }

    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-flex a {
      font-size: 13px;
      color: #94a3b8;
    }

    .friend-links-flex a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    .footer-bottom a:hover {
      color: #ffffff;
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #06b6d4);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      cursor: pointer;
      border: none;
      transition: transform 0.25s ease;
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    .float-qr-popup p {
      font-size: 11px;
      color: #334155;
      margin-top: 6px;
      font-weight: 600;
    }

    .float-btn:hover .float-qr-popup {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .site-header .nav-links.open {
        display: flex;
      }
      .site-header .nav-links li {
        width: 100%;
      }
      .site-header .nav-links li a {
        padding: 12px 16px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid,
      .reviews-grid,
      .banner-grid-4 {
        grid-template-columns: 1fr;
      }
      .case-layout,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .process-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }