:root {
      --primary: #ff5722;
      --primary-dark: #e64a19;
      --primary-light: #ff8a50;
      --primary-glow: rgba(255, 87, 34, 0.12);
      --accent: #ff9800;
      --accent-deep: #f57c00;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --bg-page: #fbfbfa;
      --bg-card: #ffffff;
      --bg-card-alt: #fff7ed;
      --border-color: #ffedd5;
      --border-subtle: #f1f5f9;
      --shadow-sm: 0 2px 8px rgba(255, 87, 34, 0.06);
      --shadow-md: 0 10px 25px -5px rgba(255, 87, 34, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(230, 74, 25, 0.18);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    .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);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-text-block {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    .brand-desc {
      font-size: 0.72rem;
      color: var(--text-muted);
      font-weight: 500;
    }

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

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

    .nav-links li a:hover,
    .nav-links .ai-page-home-link:hover {
      color: var(--primary);
      background-color: var(--bg-card-alt);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 87, 34, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 87, 34, 0.45);
      color: #ffffff;
    }

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

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

    .btn-lg {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 首屏 Hero（无图片） */
    .hero-section {
      position: relative;
      padding: 70px 0 60px;
      background: radial-gradient(circle at 50% 20%, #fff3e0 0%, #fffaf5 50%, var(--bg-page) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-inner {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #fff;
      border: 1px solid #ffd8a8;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      color: var(--primary-dark);
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: #10b981;
      border-radius: 50%;
      display: inline-block;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 34px;
      line-height: 1.7;
    }

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      text-align: left;
    }

    .hero-stat-card {
      background: #ffffff;
      padding: 18px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #ffb74d;
    }

    .stat-number {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary-dark);
      display: block;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用板块结构 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-wrap-alt {
      background-color: #fff9f2;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--primary);
      background-color: #ffe0b2;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
    }

    /* 关于我们与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .about-content p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 0.98rem;
    }

    .pill-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }

    .pill-item {
      background: #ffffff;
      border: 1px solid #ffd8a8;
      color: var(--primary-dark);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: var(--radius-full);
    }

    .image-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 3px solid #ffffff;
      background-color: #fff;
    }

    .image-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }

    .image-box:hover img {
      transform: scale(1.02);
    }

    /* 服务网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      border-color: #ff9800;
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, #ffe0b2 0%, #ffccbc 100%);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
      border-radius: 12px;
      margin-bottom: 20px;
    }

    .service-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

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

    .service-tag-item {
      font-size: 0.75rem;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 行业方案展示卡片 */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .solution-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .solution-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .solution-card ul {
      list-style: none;
      margin-top: 14px;
    }

    .solution-card li {
      position: relative;
      padding-left: 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .solution-card li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      color: var(--primary);
      font-weight: 800;
    }

    /* 流程步骤 */
    .process-flow {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }

    .process-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      position: relative;
    }

    .process-step-badge {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      font-size: 0.85rem;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
    }

    .process-item h5 {
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .process-item p {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 对比评测专属板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
      border: 2px solid #ffb74d;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-score-num {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .eval-score-meta {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

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

    .compare-table th {
      background-color: #fff3e0;
      color: #0f172a;
      font-weight: 700;
    }

    .compare-table tr:hover {
      background-color: #fffaf5;
    }

    .table-badge-best {
      color: var(--primary-dark);
      font-weight: 700;
      background: #ffe0b2;
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
    }

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

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

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

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background-color: #f8fafc;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

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

    .case-body {
      padding: 20px;
    }

    .case-body h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* Token 比价卡片 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      background: #fffcf9;
    }

    .pricing-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-full);
    }

    .pricing-name {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-dark);
      margin: 16px 0;
    }

    .pricing-price small {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 400;
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 24px;
      text-align: left;
    }

    .pricing-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px dashed #f1f5f9;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      background: #ffe0b2;
      color: var(--primary-dark);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .author-info h5 {
      font-size: 0.92rem;
      font-weight: 700;
      color: #0f172a;
    }

    .author-info span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 常见问题 FAQ 折叠 */
    .faq-list {
      max-width: 860px;
      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-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-question:hover {
      background-color: #fffaf5;
      color: var(--primary);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      transition: transform 0.3s ease;
      color: var(--primary);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.65;
      border-top: 1px solid #fff3e0;
      margin-top: 4px;
      padding-top: 14px;
    }

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

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

    /* 资讯与百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
    }

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

    .article-box h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--primary-dark);
      border-bottom: 2px solid #ffe0b2;
      padding-bottom: 8px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.92rem;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

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

    /* 需求匹配与表单 */
    .form-layout-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: start;
    }

    .contact-info-panel {
      background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
      border: 1px solid #ffd8a8;
      border-radius: var(--radius-md);
      padding: 32px;
    }

    .contact-item {
      margin-bottom: 20px;
    }

    .contact-item strong {
      display: block;
      color: var(--primary-dark);
      font-size: 0.9rem;
      margin-bottom: 4px;
    }

    .contact-item p {
      color: var(--text-main);
      font-weight: 600;
      font-size: 1rem;
    }

    .qr-card {
      margin-top: 24px;
      text-align: center;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #ffccbc;
      display: inline-block;
    }

    .qr-card img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      display: block;
      margin: 0 auto 8px;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

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

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

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      background-color: #fff;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.15);
    }

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

    /* 加盟代理板块 */
    .agent-banner {
      background: linear-gradient(135deg, #ff5722 0%, #f57c00 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .agent-banner h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .agent-banner p {
      font-size: 1rem;
      color: #ffebd8;
      max-width: 640px;
    }

    .btn-light-solid {
      background: #ffffff;
      color: var(--primary-dark);
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-full);
      text-decoration: none;
      transition: var(--transition);
    }

    .btn-light-solid:hover {
      background: #fff3e0;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(0,0,0,0.15);
    }

    /* 页脚 Footer */
    .site-footer {
      background-color: #1e293b;
      color: #cbd5e1;
      padding: 60px 0 30px;
      border-top: 1px solid #334155;
    }

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

    .footer-brand h4 {
      font-size: 1.3rem;
      color: #ffffff;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 1rem;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
      border-left: 3px solid var(--primary);
      padding-left: 8px;
    }

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

    .footer-links a,
    .footer-links .ai-page-home-link {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .footer-links a:hover,
    .footer-links .ai-page-home-link:hover {
      color: #ff9800;
      padding-left: 2px;
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
      color: #64748b;
    }

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

    .friend-links-wrap a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.82rem;
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      color: #ff9800;
    }

    /* 浮动操作条 */
    .floating-bar {
      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-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      text-decoration: none;
      font-size: 1.1rem;
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-flow {
        grid-template-columns: repeat(3, 1fr);
      }
      .pricing-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .case-grid {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .form-layout-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a,
      .nav-links .ai-page-home-link {
        width: 100%;
        padding: 10px 0;
      }
    }

    @media (max-width: 600px) {
      .hero-title {
        font-size: 1.6rem;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .solution-grid {
        grid-template-columns: 1fr;
      }
      .process-flow {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }