:root {
      --primary-cyan: #0d9488;
      --primary-teal: #14b8a6;
      --primary-dark: #0f766e;
      --cyan-light: #f0fdfa;
      --cyan-border: #ccfbf1;
      --accent-blue: #0284c7;
      --text-main: #0f172a;
      --text-sub: #334155;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 8px 24px -4px rgba(13, 148, 136, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 16px 32px -6px rgba(13, 148, 136, 0.16), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.28s ease;
      --max-width: 1200px;
    }

    * {
      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;
      -webkit-font-smoothing: antialiased;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(20, 184, 166, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(2, 132, 199, 0.05) 0%, transparent 40%);
      background-attachment: fixed;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      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 rgba(204, 251, 241, 0.8);
      box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
    }

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

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      height: 40px;
    }

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: -0.3px;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-sub);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(13, 148, 136, 0.28);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 18px rgba(13, 148, 136, 0.38);
      transform: translateY(-1px);
    }

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

    .btn-outline:hover {
      background: var(--cyan-light);
      border-color: var(--primary-dark);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 6px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero 无图片 Pure CSS */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: var(--cyan-light);
      border: 1px solid var(--cyan-border);
      border-radius: 999px;
      color: var(--primary-dark);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary-teal);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
    }

    h1.hero-h1 {
      font-size: clamp(2rem, 4vw, 2.75rem);
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    h1.hero-h1 span.highlight {
      background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--accent-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-btn-official {
      padding: 13px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #0d9488 0%, #0369a1 100%);
      color: #ffffff;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-btn-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(13, 148, 136, 0.4);
    }

    .hero-btn-consult {
      padding: 13px 28px;
      font-size: 1.02rem;
      font-weight: 600;
      background: #ffffff;
      color: var(--primary-dark);
      border: 1px solid var(--cyan-border);
      border-radius: var(--radius-md);
      text-decoration: none;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-btn-consult:hover {
      background: var(--cyan-light);
      border-color: var(--primary-teal);
    }

    /* 首屏数据指标卡片群 - 纯UI组件，无图片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--cyan-border);
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      text-align: left;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .stat-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary-teal), var(--accent-blue));
      opacity: 0;
      transition: var(--transition);
    }

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

    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-tag {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary-dark);
      background: var(--cyan-light);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 12px;
    }

    .stat-number {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* Section 通用规范 */
    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-subheading {
      display: inline-block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary-cyan);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }

    h2.section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.3px;
    }

    .section-description {
      font-size: 1.02rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 平台介绍模块 */
    .about-platform-card {
      background: #ffffff;
      border: 1px solid var(--cyan-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 32px;
    }

    .about-lead {
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--primary-dark);
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .about-text {
      color: var(--text-sub);
      font-size: 1rem;
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .about-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-feat-item {
      background: var(--cyan-light);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(20, 184, 166, 0.15);
    }

    .about-feat-item h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .about-feat-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 支持模型标签云 */
    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      padding: 24px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--cyan-border);
      box-shadow: var(--shadow-sm);
    }

    .model-chip {
      padding: 6px 14px;
      background: var(--bg-page);
      border: 1px solid #e2e8f0;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-sub);
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--cyan-light);
      border-color: var(--primary-teal);
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* 核心场景与AIGC服务卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--cyan-light) 0%, rgba(204, 251, 241, 0.4) 100%);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 20px;
      border: 1px solid var(--cyan-border);
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

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

    .service-tag {
      font-size: 0.78rem;
      padding: 3px 8px;
      background: #f1f5f9;
      color: var(--text-muted);
      border-radius: 4px;
    }

    /* 案例展示区（含合规图片组件） */
    .cases-gallery {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 32px;
    }

    .case-banner-item {
      background: #ffffff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
    }

    .case-img-wrap {
      position: relative;
      background: #e2e8f0;
      overflow: hidden;
    }

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

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

    .case-info {
      padding: 20px;
    }

    .case-info h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .promotional-banners {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .promo-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .promo-card img.ai-page-image {
      width: 100%;
      height: auto;
      display: block;
    }

    .promo-card-body {
      padding: 14px 16px;
    }

    .promo-card-body h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .promo-card-body p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 对比评测模块 */
    .eval-overview-card {
      background: linear-gradient(135deg, #ffffff 0%, var(--cyan-light) 100%);
      border: 1px solid var(--cyan-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
      box-shadow: var(--shadow-sm);
    }

    .eval-score-box {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .score-big {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary-cyan);
      line-height: 1;
    }

    .score-total {
      font-size: 1.25rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .eval-star-group {
      display: flex;
      gap: 4px;
      color: #f59e0b;
      font-size: 1.25rem;
      margin-top: 6px;
    }

    .eval-summary-text {
      max-width: 580px;
    }

    .eval-summary-text h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .eval-summary-text p {
      font-size: 0.95rem;
      color: var(--text-sub);
    }

    .compare-table-wrap {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

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

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

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

    table.compare-table th.highlight-col,
    table.compare-table td.highlight-col {
      background: var(--cyan-light);
      color: var(--primary-dark);
      font-weight: 600;
    }

    .badge-check {
      color: #059669;
      font-weight: 700;
    }

    /* 标准服务流程 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary-teal);
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      display: inline-block;
      width: 32px;
      height: 32px;
      line-height: 32px;
      text-align: center;
      background: var(--primary-teal);
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      margin-bottom: 16px;
      font-size: 0.9rem;
    }

    .step-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 需求匹配与表单 */
    .form-grid-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--cyan-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-info-side h3 {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .form-info-side p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-item-box {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 28px;
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-main);
    }

    .contact-label {
      color: var(--text-muted);
      min-width: 75px;
    }

    .form-panel {
      background: #f8fafc;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 10px 14px;
      font-size: 0.95rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary-teal);
      box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 客户评价板块（6条真实评论） */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--cyan-border);
    }

    .review-body {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .review-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan-light) 0%, #ccfbf1 100%);
      color: var(--primary-dark);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      border: 1px solid var(--primary-teal);
    }

    .author-info h4 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-teal);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      gap: 16px;
    }

    .faq-question:hover {
      color: var(--primary-dark);
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary-teal);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      padding-top: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 资讯中心与最新文章 */
    .articles-layout {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .articles-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 16px;
    }

    .articles-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      background: var(--bg-page);
      border-radius: var(--radius-sm);
      text-decoration: none;
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 500;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .articles-list li a:hover {
      background: var(--cyan-light);
      border-color: var(--primary-teal);
      color: var(--primary-dark);
      transform: translateX(4px);
    }

    /* 友情链接与底部导航 */
    .links-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 24px 32px;
      margin-bottom: 40px;
    }

    .links-card h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .links-flex a {
      color: var(--text-sub);
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .links-flex a:hover {
      color: var(--primary-cyan);
      text-decoration: underline;
    }

    /* 统一页脚设计 - 严密对齐与色彩对比 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 56px 0 24px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col p {
      font-size: 0.9rem;
      line-height: 1.65;
      margin-bottom: 12px;
    }

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

    .footer-links-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

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

    .qr-container {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .qr-box {
      width: 90px;
      height: 90px;
      background: #ffffff;
      padding: 4px;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .qr-box img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .qr-label {
      font-size: 0.85rem;
      color: #cbd5e1;
      line-height: 1.45;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.88rem;
    }

    .footer-bottom a {
      color: #94a3b8;
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: var(--primary-teal);
    }

    /* 浮动操作条 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--cyan-border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      text-decoration: none;
      font-weight: 700;
      font-size: 0.85rem;
      transition: var(--transition);
      cursor: pointer;
    }

    .dock-btn:hover {
      background: var(--primary-teal);
      color: #ffffff;
      transform: scale(1.05);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-features-grid {
        grid-template-columns: 1fr;
      }
      .timeline-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-gallery {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        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 #e2e8f0;
        box-shadow: var(--shadow-md);
        gap: 8px;
      }

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

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

      .nav-links li a {
        padding: 10px 16px;
      }

      .hero-section {
        padding: 50px 0 40px;
      }

      .hero-stats-grid {
        grid-template-columns: 1fr;
      }

      .services-grid {
        grid-template-columns: 1fr;
      }

      .form-grid-layout {
        grid-template-columns: 1fr;
        padding: 24px;
      }

      .promotional-banners {
        grid-template-columns: 1fr;
      }

      .timeline-steps {
        grid-template-columns: 1fr;
      }

      .reviews-grid {
        grid-template-columns: 1fr;
      }

      .articles-list {
        grid-template-columns: 1fr;
      }

      .eval-overview-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }

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