/* 全局变量与高亮度鲜活风设计基准 */
    :root {
      --primary-color: #0284c7;
      --primary-hover: #0369a1;
      --primary-light: #e0f2fe;
      --accent-color: #10b981;
      --accent-warm: #f59e0b;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 16px 32px rgba(15, 23, 42, 0.1);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      overflow-x: hidden;
    }

    /* 统一布局容器规范 */
    .ai-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* 导航栏样式 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

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

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    /* 导航链接 - 约束 gap 为 0 */
    .nav-links {
      display: flex;
      gap: 0;
      list-style: none;
      align-items: center;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      border-radius: 6px;
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-color);
      background-color: var(--primary-light);
    }

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 通用按钮系统 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
    }

    .btn-secondary {
      background-color: #ffffff;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-accent {
      background-color: var(--accent-color);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    }

    .btn-accent:hover {
      background-color: #059669;
      transform: translateY(-2px);
    }

    /* 模块通用样式 */
    .section-padding {
      padding: 80px 0;
    }

    .section-bg-alt {
      background-color: #ffffff;
    }

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

    .section-badge {
      display: inline-block;
      padding: 5px 14px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 700;
      border-radius: 20px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 1. HERO 首屏 (绝对禁止图片) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 40%, #f0fdf4 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-container {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid #bae6fd;
      border-radius: 30px;
      color: var(--primary-color);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: 0 2px 8px rgba(2, 132, 199, 0.08);
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.6;
    }

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

    .hero-cta-group .btn {
      padding: 14px 32px;
      font-size: 16px;
      border-radius: 30px;
    }

    /* 首屏数据指标卡片组 (纯 CSS 构造) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }

    .stat-item {
      text-align: center;
      padding: 10px;
    }

    .stat-number {
      font-size: 30px;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-light);
      margin-top: 4px;
    }

    /* 2. 关于我们与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-content p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 15px;
    }

    .about-features {
      list-style: none;
      margin-top: 20px;
    }

    .about-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
    }

    .about-features li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50%;
      font-size: 13px;
      font-weight: 800;
    }

    .about-card-box {
      background: linear-gradient(145deg, #ffffff, #f0f9ff);
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 20px;
    }

    .model-pill {
      padding: 6px 12px;
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-muted);
      box-shadow: var(--shadow-sm);
    }

    /* 3. AIGC服务与模型聚合 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-color);
    }

    .service-icon {
      width: 48px;
      height: 48px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .service-card h4 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 一站式制作与功能矩阵 */
    .feature-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
      transition: var(--transition);
    }

    .matrix-card:hover {
      border-color: var(--accent-color);
      box-shadow: var(--shadow-md);
    }

    .matrix-card h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .matrix-card p {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 5. 行业场景方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-card {
      background-color: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .industry-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 12px;
    }

    .industry-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 6. 服务网络与节点 */
    .network-bar {
      background: linear-gradient(90deg, #0284c7, #0d9488);
      color: #ffffff;
      padding: 40px;
      border-radius: var(--radius-lg);
      text-align: center;
    }

    .network-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .network-item {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(4px);
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
    }

    /* 7. 标准流程 */
    .step-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary-light);
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 8. 案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .case-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      background-color: var(--bg-subtle);
      overflow: hidden;
    }

    .ai-page-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 9. 对比评测 (严格要求五星与9.9分) */
    .eval-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 24px;
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
      flex-wrap: wrap;
      gap: 16px;
    }

    .eval-score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-big {
      font-size: 44px;
      font-weight: 900;
      color: var(--accent-warm);
      line-height: 1;
    }

    .stars {
      color: var(--accent-warm);
      font-size: 22px;
      letter-spacing: 2px;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .compare-table th {
      background-color: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background-color: #f8fafc;
    }

    .highlight-col {
      background-color: #f0f9ff;
      font-weight: 700;
      color: var(--primary-color);
    }

    /* 10. 智能需求匹配组件 */
    .match-box {
      background: linear-gradient(135deg, #ffffff, #f0fdf4);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .match-options {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin: 24px 0;
    }

    .match-opt-btn {
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #ffffff;
      text-align: center;
      cursor: pointer;
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
    }

    .match-opt-btn:hover,
    .match-opt-btn.active {
      border-color: var(--accent-color);
      background-color: #ecfdf5;
      color: #047857;
    }

    /* 11. Token 比价表格 */
    .token-table-wrap {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .token-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 600px;
    }

    .token-table th,
    .token-table td {
      padding: 14px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
      text-align: left;
    }

    .token-table th {
      background-color: var(--bg-subtle);
      font-weight: 700;
    }

    .price-tag {
      color: #d97706;
      font-weight: 700;
    }

    /* 12. 帮助中心与 AI 百科 */
    .wiki-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .wiki-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .wiki-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--primary-color);
    }

    .wiki-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 13. 常见问题 (FAQ 折叠) */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 20px;
      color: var(--primary-color);
      transition: var(--transition);
    }

    .faq-item.open .faq-question::after {
      content: "−";
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease;
      background-color: #f8fafc;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 16px 24px;
      border-top: 1px solid var(--border-color);
    }

    /* 用户评论 6 条 */
    .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);
    }

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

    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

    .review-user-info h5 {
      font-size: 15px;
      font-weight: 700;
    }

    .review-user-info span {
      font-size: 12px;
      color: var(--text-light);
    }

    .review-content {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 15. 行业资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-card a {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: 600;
      font-size: 13px;
    }

    .article-card a:hover {
      text-decoration: underline;
    }

    /* 16. 联系我们 & 表单 */
    .contact-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .contact-detail-list {
      list-style: none;
      margin: 20px 0;
    }

    .contact-detail-list li {
      margin-bottom: 12px;
      font-size: 15px;
      color: var(--text-muted);
    }

    .qr-container {
      margin-top: 20px;
      text-align: left;
    }

    .qr-container img {
      width: 140px;
      height: 140px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      background-color: var(--bg-main);
      color: var(--text-main);
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 17. 加盟代理 */
    .agent-banner {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      text-align: center;
    }

    .agent-banner h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .agent-banner p {
      font-size: 16px;
      color: #94a3b8;
      max-width: 700px;
      margin: 0 auto 30px;
    }

    /* 友情链接 */
    .friend-links-box {
      padding: 30px 0;
      border-top: 1px solid var(--border-color);
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-top: 12px;
    }

    .friend-links-list a {
      color: var(--text-light);
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: var(--primary-color);
    }

    /* 页脚 Footers - 显式指定深色字体与可读性 */
    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 24px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 30px;
    }

    .footer-brand p {
      margin-top: 12px;
      font-size: 13px;
      color: var(--text-light);
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 悬浮客服入口 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      background: var(--primary-color);
      color: #ffffff;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
      cursor: pointer;
      text-decoration: none;
      font-weight: 700;
      font-size: 14px;
      transition: var(--transition);
    }

    .floating-kefu:hover {
      transform: scale(1.08);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .services-grid,
      .industry-grid,
      .cases-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .feature-matrix-grid,
      .hero-stats-grid,
      .step-timeline {
        grid-template-columns: repeat(2, 1fr);
      }

      .about-grid,
      .contact-wrap,
      .wiki-grid {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr 1fr;
      }

      .hero-title {
        font-size: 32px;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .nav-links li a {
        display: block;
        padding: 12px;
      }

      .hero-stats-grid,
      .services-grid,
      .industry-grid,
      .cases-grid,
      .reviews-grid,
      .articles-grid,
      .match-options,
      .network-grid {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }
    }