:root {
      --candy-pink: #ff5483;
      --candy-pink-light: #ffeef3;
      --candy-purple: #7a5af8;
      --candy-purple-light: #f3f0ff;
      --candy-cyan: #0ba5ec;
      --candy-cyan-light: #e0f2fe;
      --candy-yellow: #f59e0b;
      --candy-yellow-light: #fef3c7;
      --candy-green: #10b981;
      --candy-green-light: #d1fae5;
      
      --bg-main: #faf9ff;
      --bg-card: #ffffff;
      --text-main: #1e1b4b;
      --text-sub: #475569;
      --text-muted: #64748b;
      
      --border-candy: rgba(122, 90, 248, 0.15);
      --shadow-sm: 0 4px 12px rgba(122, 90, 248, 0.06);
      --shadow-md: 0 10px 25px -4px rgba(122, 90, 248, 0.12), 0 6px 12px -4px rgba(255, 84, 131, 0.08);
      --shadow-lg: 0 20px 35px -8px rgba(122, 90, 248, 0.16);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --transition: all 0.28s ease;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "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%, #fff0f5 0%, #faf9ff 50%, #f0f7ff 100%);
      background-attachment: fixed;
      min-height: 100vh;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
    }

    /* 统一居中容器体系 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-candy);
      box-shadow: 0 2px 15px rgba(122, 90, 248, 0.05);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text-main);
      font-weight: 800;
      font-size: 1.25rem;
    }

    .brand-logo .ai-page-logo {
      max-height: 42px;
      width: auto;
      object-fit: contain;
      display: block;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .nav-links li a:hover {
      color: var(--candy-purple);
      background: var(--candy-purple-light);
    }

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

    .btn-candy-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 700;
      text-decoration: none;
      color: #ffffff;
      background: linear-gradient(135deg, var(--candy-purple) 0%, var(--candy-pink) 100%);
      box-shadow: 0 6px 16px rgba(122, 90, 248, 0.3);
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-candy-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 84, 131, 0.4);
      color: #ffffff;
    }

    .btn-candy-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 10px 20px;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 700;
      text-decoration: none;
      color: var(--candy-purple);
      background: var(--candy-purple-light);
      border: 1px solid var(--border-candy);
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-candy-secondary:hover {
      background: #ffffff;
      border-color: var(--candy-purple);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      background: var(--text-main);
      margin: 4px 0;
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 模块通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px;
    }

    .candy-badge {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: var(--candy-pink-light);
      color: var(--candy-pink);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .candy-badge.purple {
      background: var(--candy-purple-light);
      color: var(--candy-purple);
    }

    .candy-badge.cyan {
      background: var(--candy-cyan-light);
      color: var(--candy-cyan);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* Hero 首屏 - 纯 CSS 视觉，无图片 */
    .hero-section {
      padding: 60px 0 80px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(243,240,255,0.5) 100%);
      border-bottom: 1px solid var(--border-candy);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #1e1b4b 0%, #7a5af8 60%, #ff5483 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.08rem;
      color: var(--text-sub);
      margin-bottom: 28px;
      line-height: 1.7;
    }

    .hero-features {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
    }

    .hero-tag {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: #ffffff;
      border: 1px solid var(--border-candy);
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
    }

    .hero-tag svg {
      width: 14px;
      height: 14px;
      fill: var(--candy-pink);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }

    .btn-hero-official {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 800;
      border-radius: var(--radius-full);
      color: #ffffff;
      text-decoration: none;
      background: linear-gradient(135deg, #ff5483 0%, #7a5af8 100%);
      box-shadow: 0 10px 24px rgba(255, 84, 131, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 28px rgba(122, 90, 248, 0.4);
      color: #ffffff;
    }

    /* 首屏纯CSS动态视觉卡片组 */
    .hero-visual-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid var(--border-candy);
      padding: 28px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .visual-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid #f1f5f9;
    }

    .model-pills {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 20px;
    }

    .model-pill-item {
      padding: 10px 8px;
      text-align: center;
      border-radius: var(--radius-md);
      font-size: 0.8rem;
      font-weight: 700;
      background: #faf8ff;
      border: 1px solid #ede9fe;
      color: var(--text-main);
      transition: var(--transition);
    }

    .model-pill-item:hover {
      background: var(--candy-purple-light);
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      transform: translateY(-2px);
    }

    .live-status-box {
      background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
      border: 1px solid #86efac;
      border-radius: var(--radius-md);
      padding: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .live-dot {
      display: inline-block;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #22c55e;
      box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
    }

    /* 数据指标网格 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .metric-card {
      background: #ffffff;
      padding: 22px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

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

    .metric-val {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--candy-purple);
      margin-bottom: 4px;
    }

    .metric-val.pink { color: var(--candy-pink); }
    .metric-val.cyan { color: var(--candy-cyan); }
    .metric-val.amber { color: var(--candy-yellow); }

    .metric-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-sub);
    }

    /* 服务能力卡片 */
    .candy-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

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

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

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-weight: 900;
      font-size: 1.2rem;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
    }

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

    .service-tag {
      font-size: 0.76rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 6px;
      background: #f1f5f9;
      color: var(--text-muted);
    }

    /* 一站式矩阵/场景矩阵 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 20px;
    }

    .scenario-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid rgba(122, 90, 248, 0.12);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .scenario-card:hover {
      border-color: var(--candy-pink);
      box-shadow: var(--shadow-md);
    }

    .scenario-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .scenario-title {
      font-size: 1.08rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .scenario-desc {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 标准流程时间线 */
    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      line-height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-purple) 0%, var(--candy-pink) 100%);
      color: #ffffff;
      font-weight: 800;
      font-size: 0.95rem;
      margin: 0 auto 14px;
    }

    .flow-step-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-step-card p {
      font-size: 0.86rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

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

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

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

    .case-media-container {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f1f5f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-media-container.square {
      aspect-ratio: 1 / 1;
    }

    .case-media-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-info h4 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    /* 对比评测表格与卡片 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f7 0%, #f5f3ff 100%);
      border: 2px solid #ffccd5;
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

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

    .big-score {
      font-size: 3rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }

    .stars-box {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-candy);
      background: #ffffff;
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #faf8ff;
      font-weight: 800;
      color: var(--text-main);
    }

    .comparison-table td.highlight-col {
      background: #fff8fa;
      font-weight: 700;
      color: var(--candy-purple);
    }

    /* 需求匹配与表单 */
    .form-box-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-lg);
      padding: 40px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #cbd5e1;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
      background: #f8fafc;
      color: var(--text-main);
    }

    .form-control:focus {
      background: #ffffff;
      border-color: var(--candy-purple);
      box-shadow: 0 0 0 3px rgba(122, 90, 248, 0.15);
    }

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

    /* FAQ 手风琴 */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

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

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      font-size: 0.96rem;
      font-weight: 700;
      color: var(--text-main);
      background: none;
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-question svg {
      width: 18px;
      height: 18px;
      transition: var(--transition);
      fill: var(--candy-purple);
      flex-shrink: 0;
    }

    .faq-item.active .faq-question svg {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #faf8ff;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      border-top-color: #f1f5f9;
    }

    .faq-answer-inner {
      padding: 16px 22px;
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 客户好评 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

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

    .avatar-mock {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-purple-light) 0%, var(--candy-pink-light) 100%);
      color: var(--candy-purple);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .review-user-name {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .review-user-role {
      font-size: 0.78rem;
      color: var(--candy-pink);
      font-weight: 600;
    }

    .review-body {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 资讯与友情链接 */
    .news-link-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
      margin-top: 20px;
    }

    .article-pill-link {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-candy);
      text-decoration: none;
      color: var(--text-main);
      font-size: 0.88rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .article-pill-link:hover {
      border-color: var(--candy-purple);
      color: var(--candy-purple);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-candy);
    }

    .friendly-links-wrap a {
      display: inline-block;
      padding: 6px 14px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-full);
      text-decoration: none;
      font-size: 0.86rem;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }

    .friendly-links-wrap a:hover {
      background: var(--candy-purple-light);
      border-color: var(--candy-purple);
      color: var(--candy-purple);
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-candy);
      padding: 50px 0 30px;
      margin-top: auto;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .footer-col p, .footer-col li {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 8px;
      list-style: none;
    }

    .footer-col a {
      color: var(--text-sub);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col a:hover {
      color: var(--candy-purple);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid #f1f5f9;
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 浮动客服挂件 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-candy);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--candy-purple);
      transition: var(--transition);
      position: relative;
      text-decoration: none;
    }

    .float-btn:hover {
      background: var(--candy-purple);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-qr-pop {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-candy);
      width: 160px;
      display: none;
      text-align: center;
    }

    .float-qr-pop img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      display: block;
      margin-bottom: 6px;
    }

    .float-qr-pop span {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* 响应式样式 */
    @media (max-width: 992px) {
      .hero-grid { grid-template-columns: 1fr; }
      .metrics-bar { grid-template-columns: repeat(2, 1fr); }
      .flow-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: 1fr; }
      .form-box-wrapper { grid-template-columns: 1fr; }
      .faq-grid { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      
      .nav-links.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 20px;
        border-bottom: 2px solid var(--candy-purple);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.mobile-active li { width: 100%; }
      .nav-links.mobile-active li a { width: 100%; padding: 10px 14px; }
    }

    @media (max-width: 640px) {
      .section-title { font-size: 1.6rem; }
      .hero-content h1 { font-size: 1.85rem; }
      .metrics-bar { grid-template-columns: 1fr; }
      .flow-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .eval-highlight-box { flex-direction: column; text-align: center; }
      .score-badge { justify-content: center; }
      .floating-widget { right: 12px; bottom: 20px; }
    }