:root {
      --primary: #ff3366;
      --primary-light: #ff6b8b;
      --accent-purple: #7928ca;
      --accent-cyan: #00dfd8;
      --accent-yellow: #ffbe0b;
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-vibrant: #ffccd5;
      --card-shadow: 0 10px 25px -5px rgba(255, 51, 102, 0.08), 0 8px 10px -6px rgba(121, 40, 202, 0.05);
      --card-shadow-hover: 0 20px 30px -10px rgba(255, 51, 102, 0.18), 0 12px 16px -8px rgba(0, 223, 216, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    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;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    /* 全局统一容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 艳色潮流风：彩色微渐变与光晕 */
    .trend-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: linear-gradient(135deg, rgba(255,51,102,0.1) 0%, rgba(121,40,202,0.1) 100%);
      color: var(--primary);
      border: 1px solid var(--border-vibrant);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 50%;
      transform: translateX(-50%);
      width: 48px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent-purple));
      border-radius: var(--radius-full);
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    .section-padding {
      padding: 70px 0;
      position: relative;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    }

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

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

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0; /* 严格满足指令：页面CSS .nav-links的gap属性设置为0 */
    }

    .nav-links li a {
      padding: 8px 13px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(255, 51, 102, 0.06);
    }

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

    .btn-nav-primary {
      padding: 9px 18px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #fff !important;
      font-weight: 700;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      box-shadow: 0 4px 12px rgba(255, 51, 102, 0.28);
      white-space: nowrap;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 51, 102, 0.38);
    }

    .menu-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 HERO 区域 - 禁止出现任何图片资源 */
    .hero-section {
      background: radial-gradient(circle at 10% 20%, rgba(255, 51, 102, 0.05) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(121, 40, 202, 0.05) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      padding: 85px 0 70px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    /* H1 控制在20字以内 */
    .hero-h1 {
      font-size: 2.7rem;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .hero-h1 .highlight-text {
      background: linear-gradient(135deg, #ff0055, #7928ca 50%, #0070f3);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-btn-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 42px;
    }

    .btn-main-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 15px 36px;
      background: linear-gradient(135deg, #ff0055 0%, #ff5277 50%, #7928ca 100%);
      color: #ffffff !important;
      font-weight: 800;
      font-size: 1.05rem;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 25px rgba(255, 0, 85, 0.35);
      transition: var(--transition);
      border: 2px solid transparent;
    }

    .btn-main-action:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 32px rgba(255, 0, 85, 0.45);
    }

    .btn-outline-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      background: #ffffff;
      color: var(--text-main);
      font-weight: 700;
      font-size: 1.05rem;
      border-radius: var(--radius-full);
      border: 2px solid var(--border-color);
      transition: var(--transition);
    }

    .btn-outline-action:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(255, 51, 102, 0.03);
    }

    /* 纯CSS首屏潮流几何参数展板（无图片） */
    .hero-stats-banner {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: #ffffff;
      border: 1px solid var(--border-vibrant);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--card-shadow);
      text-align: left;
    }

    .stat-item {
      padding: 12px 16px;
      border-right: 1px solid var(--border-color);
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .stat-num span {
      font-size: 0.95rem;
      color: var(--primary);
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 600;
      margin-top: 4px;
    }

    /* 模块卡片与网格 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .cards-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .vibrant-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
      overflow: hidden;
    }

    .vibrant-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
      opacity: 0;
      transition: var(--transition);
    }

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

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

    .card-icon-pill {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 18px;
      background: rgba(255, 51, 102, 0.08);
      color: var(--primary);
      font-weight: bold;
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
    }

    .mini-tag {
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 8px;
      background: var(--bg-alt);
      border-radius: 4px;
      color: var(--text-muted);
    }

    /* 支持模型滚动胶囊池 */
    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 25px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 7px 16px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    }

    .model-chip span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-cyan);
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 图像展示区域 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

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

    .media-img-container {
      position: relative;
      overflow: hidden;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ai-page-image {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
      object-fit: cover;
    }

    .media-card:hover .ai-page-image {
      transform: scale(1.03);
    }

    .media-info {
      padding: 18px 22px;
    }

    .banner-gallery-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-subcard {
      background: #fff;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 10px rgba(0,0,0,0.04);
    }

    /* 对比评测高能卡片与评分 */
    .review-score-banner {
      background: linear-gradient(135deg, #fff5f7 0%, #f7f0ff 100%);
      border: 2px solid var(--border-vibrant);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
      margin-bottom: 35px;
      box-shadow: var(--card-shadow);
    }

    .score-badge-circle {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #fff;
      margin-bottom: 15px;
      box-shadow: 0 8px 20px rgba(255, 51, 102, 0.35);
    }

    .score-big {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.85rem;
      opacity: 0.85;
    }

    .star-rating {
      font-size: 1.4rem;
      color: #ffb703;
      margin-bottom: 8px;
    }

    .review-table-wrapper {
      overflow-x: auto;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--card-shadow);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .highlight-col {
      background: rgba(255, 51, 102, 0.03);
      font-weight: 700;
      color: var(--primary);
    }

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

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

    .step-num-badge {
      position: absolute;
      top: -12px;
      left: 20px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #fff;
      font-weight: 800;
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: var(--radius-full);
    }

    /* 用户评论卡片 */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 18px;
    }

    .avatar-pseudo {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(255,51,102,0.15), rgba(121,40,202,0.2));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .user-meta-name {
      font-weight: 700;
      color: var(--text-main);
      font-size: 0.95rem;
    }

    .user-meta-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 手风琴折叠 */
    .faq-container-box {
      max-width: 920px;
      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: var(--transition);
    }

    .faq-item:hover {
      border-color: var(--border-vibrant);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      color: var(--text-main);
      font-size: 1rem;
      user-select: none;
    }

    .faq-icon-arrow {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--primary);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fcfcfd;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 0 24px 20px 24px;
    }

    /* 表单区域与客服二维码模块 */
    .form-wrapper-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      padding: 36px;
    }

    .form-grid-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .form-group-full {
      grid-column: span 2;
    }

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

    .custom-form-input, .custom-form-select, .custom-form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      background: #f8fafc;
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .custom-form-input:focus, .custom-form-select:focus, .custom-form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
    }

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #fff;
      font-size: 1rem;
      font-weight: 800;
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      box-shadow: 0 8px 18px rgba(255, 51, 102, 0.3);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(255, 51, 102, 0.4);
    }

    .contact-qr-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      text-align: center;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .contact-qr-card img {
      width: 170px;
      height: 170px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      margin-bottom: 14px;
    }

    /* 资讯与百科列表 */
    .article-pill-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 20px;
    }

    .article-item-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

    .article-title-link {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 友情链接与页脚 */
    .friend-links-box {
      padding: 24px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    .friend-links-box a {
      font-size: 0.88rem;
      color: var(--text-muted);
      background: var(--bg-alt);
      padding: 4px 12px;
      border-radius: 4px;
      transition: var(--transition);
    }

    .friend-links-box a:hover {
      color: var(--primary);
      background: rgba(255, 51, 102, 0.08);
    }

    .site-footer {
      background: #ffffff;
      color: var(--text-muted);
      padding: 40px 0 25px 0;
      border-top: 1px solid var(--border-color);
    }

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

    .footer-col-desc {
      font-size: 0.88rem;
      color: var(--text-light);
      margin-top: 10px;
      line-height: 1.6;
    }

    .footer-heading {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-list li a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

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

    .footer-bottom-bar {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 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-color);
      box-shadow: 0 4px 14px rgba(0,0,0,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      font-size: 1.2rem;
      transition: var(--transition);
      position: relative;
    }

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

    .float-qr-hover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      border: 1px solid var(--border-color);
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
      text-align: center;
    }

    .float-qr-hover img {
      width: 110px;
      height: 110px;
      margin-bottom: 6px;
    }

    .float-qr-hover span {
      font-size: 0.75rem;
      color: var(--text-main);
      font-weight: bold;
    }

    .float-btn-qr:hover .float-qr-hover {
      display: flex;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .cards-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-banner {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .banner-gallery-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid-wrapper {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-h1 {
        font-size: 2rem;
      }
      .cards-grid-3, .cards-grid-2, .cards-grid-4 {
        grid-template-columns: 1fr;
      }
      .hero-stats-banner {
        grid-template-columns: 1fr;
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
      .stat-item:last-child {
        border-bottom: none;
      }
      .form-grid-inner {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .process-timeline-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .menu-toggle-btn {
        display: block;
      }
    }