:root {
      --primary-purple: #7c3aed;
      --primary-glow: #a855f7;
      --secondary-pink: #ec4899;
      --violet-dark: #1e153b;
      --violet-deep: #2e1065;
      --text-main: #1f1d2b;
      --text-muted: #57536e;
      --bg-page: #f8f6fc;
      --bg-card: #ffffff;
      --border-light: #eeddfc;
      --border-accent: #d8b4fe;
      --tag-bg: #f3e8ff;
      --tag-text: #6b21a8;
      --shadow-sm: 0 4px 12px rgba(124, 58, 237, 0.06);
      --shadow-md: 0 10px 25px rgba(124, 58, 237, 0.1);
      --shadow-lg: 0 18px 40px rgba(124, 58, 237, 0.14);
      --radius: 12px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(168, 85, 247, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.06) 0%, transparent 45%);
      background-attachment: fixed;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      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, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 2px 10px rgba(124, 58, 237, 0.04);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--violet-deep);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-purple {
      background: linear-gradient(135deg, #7c3aed, #a855f7);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
    }

    .btn-purple:hover {
      background: linear-gradient(135deg, #6d28d9, #9333ea);
      box-shadow: 0 6px 18px rgba(124, 58, 237, 0.4);
      transform: translateY(-1px);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary-purple);
      border-color: var(--border-accent);
    }

    .btn-outline:hover {
      background: var(--tag-bg);
      border-color: var(--primary-purple);
    }

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

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      width: 100%;
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
      padding: 16px 20px;
      box-shadow: var(--shadow-md);
      z-index: 999;
      max-height: 80vh;
      overflow-y: auto;
    }

    .mobile-drawer.open {
      display: block;
    }

    .mobile-drawer ul {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .mobile-drawer a {
      display: block;
      padding: 8px 12px;
      background: var(--bg-page);
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-muted);
      text-align: center;
    }

    /* 首屏纯CSS科技区 (严格不含图片) */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 30px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(236, 72, 153, 0.12));
      border: 1px solid var(--border-accent);
      color: var(--primary-purple);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-badge span {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 800;
      color: var(--violet-dark);
      line-height: 1.25;
      letter-spacing: -0.8px;
      margin-bottom: 18px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-title .glow-word {
      background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-primary-link {
      font-size: 16px;
      padding: 14px 34px;
      border-radius: 10px;
      background: linear-gradient(135deg, #6d28d9, #9333ea, #db2777);
      color: #ffffff;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
      border: none;
    }

    .hero-primary-link:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(124, 58, 237, 0.45);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      padding: 24px 16px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.3s ease, border-color 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-accent);
      box-shadow: var(--shadow-md);
    }

    .stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-purple);
      margin-bottom: 4px;
      font-family: inherit;
    }

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

    /* 公共区域标题 */
    .section-wrap {
      padding: 70px 0;
      border-top: 1px solid rgba(226, 215, 245, 0.6);
    }

    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-purple);
      background: var(--tag-bg);
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 12px;
      letter-spacing: -0.4px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型墙跑马灯效果纯CSS */
    .model-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-light);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      background: var(--tag-bg);
      color: var(--primary-purple);
      border-color: var(--border-accent);
    }

    /* 服务与功能卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-accent);
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(236, 72, 153, 0.12));
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--primary-purple);
      font-size: 20px;
      font-weight: bold;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

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

    .card-tag {
      font-size: 11px;
      padding: 3px 8px;
      background: #f5f3ff;
      color: var(--primary-purple);
      border-radius: 4px;
    }

    /* 场景矩阵多格展示 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scenario-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 10px;
      padding: 18px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .scenario-item:hover {
      background: #faf7ff;
      border-color: var(--border-accent);
      transform: translateY(-3px);
    }

    .scenario-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--violet-deep);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .scenario-item h4::before {
      content: "•";
      color: var(--primary-purple);
      font-size: 18px;
    }

    .scenario-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px;
      text-align: left;
      position: relative;
    }

    .step-idx {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #7c3aed, #ec4899);
      padding: 2px 10px;
      border-radius: 12px;
      margin-bottom: 12px;
    }

    .process-step h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 8px;
    }

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

    /* 对比评测高亮板块 */
    .review-highlight-card {
      background: linear-gradient(135deg, #ffffff 0%, #fdf9ff 100%);
      border: 2px solid var(--border-accent);
      border-radius: 16px;
      padding: 32px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .review-score-box {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7c3aed, #a855f7);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(124, 58, 237, 0.3);
    }

    .score-circle .score-val {
      font-size: 32px;
      font-weight: 900;
      line-height: 1;
    }

    .score-circle .score-max {
      font-size: 11px;
      opacity: 0.9;
    }

    .score-details h3 {
      font-size: 22px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 6px;
    }

    .stars {
      color: #f59e0b;
      font-size: 18px;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

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

    /* 对比表格 */
    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
      min-width: 600px;
    }

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

    .custom-table th {
      background: #faf7ff;
      color: var(--violet-dark);
      font-weight: 700;
    }

    .custom-table tr:hover td {
      background: #fcfaff;
    }

    .highlight-col {
      background: rgba(124, 58, 237, 0.03);
      font-weight: 600;
      color: var(--primary-purple);
    }

    .badge-win {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      background: #dcfce7;
      color: #15803d;
      font-size: 12px;
      font-weight: 600;
    }

    /* 案例展示 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #f3f0fa;
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-body {
      padding: 22px;
      flex: 1;
    }

    .case-body h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    /* 宣传图画廊展示 */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .gallery-item {
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      background: #fff;
    }

    .gallery-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 用户评论 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

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

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f3effa;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7c3aed, #a855f7);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .author-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--violet-dark);
    }

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

    /* FAQ 手风琴 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s ease;
    }

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

    .faq-question {
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      color: var(--violet-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--primary-purple);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #faf8fe;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 22px 20px;
    }

    /* 表单与需求匹配 */
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-info-side h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 14px;
    }

    .form-info-side p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .qr-card {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      background: #faf8ff;
      border: 1px solid var(--border-accent);
      border-radius: 10px;
      padding: 14px;
    }

    .qr-card img {
      width: 84px;
      height: 84px;
      border-radius: 6px;
      display: block;
    }

    .qr-text h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-light);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #faf9fd;
      outline: none;
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--primary-purple);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
    }

    /* 行业资讯与短代码文章 */
    .article-layout {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-box h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

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

    .link-list li a {
      font-size: 14px;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 6px 0;
      border-bottom: 1px dashed #f0eaf7;
    }

    .link-list li a:hover {
      color: var(--primary-purple);
      padding-left: 4px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 50px 0 30px;
      color: var(--text-muted);
      margin-top: 50px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--violet-dark);
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 13px;
      line-height: 1.7;
      margin-bottom: 10px;
    }

    .friend-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friend-links-row a {
      font-size: 13px;
      color: var(--text-muted);
      padding: 4px 10px;
      background: var(--bg-page);
      border-radius: 4px;
      border: 1px solid var(--border-light);
    }

    .friend-links-row a:hover {
      color: var(--primary-purple);
      border-color: var(--border-accent);
      background: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #f0eaf7;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动工具栏与客服 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-accent);
      color: var(--primary-purple);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      cursor: pointer;
      box-shadow: var(--shadow-md);
      transition: all 0.25s ease;
      text-decoration: none;
    }

    .float-btn:hover {
      background: var(--primary-purple);
      color: #ffffff;
      transform: translateY(-3px);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .scenario-grid { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .nav-links, .header-actions .hide-on-mobile { display: none; }
      .mobile-menu-toggle { display: block; }
      .hero-title { font-size: 28px; }
      .services-grid, 
      .scenario-grid, 
      .process-timeline, 
      .testimonial-grid, 
      .case-grid,
      .gallery-grid,
      .article-layout,
      .footer-grid,
      .form-section-layout {
        grid-template-columns: 1fr;
      }
      .form-section-layout { padding: 22px; }
      .review-highlight-card { flex-direction: column; text-align: center; }
      .review-score-box { flex-direction: column; }
      .hero-stats-grid { grid-template-columns: 1fr 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }