/* 基础重置 */
    :root {
      --primary: #ff4757;
      --secondary: #2f3542;
      --accent-1: #2e86de;
      --accent-2: #10ac84;
      --accent-3: #f368e0;
      --accent-4: #ff9f43;
      --gradient-rainbow: linear-gradient(135deg, #ff4757 0%, #f368e0 25%, #2e86de 50%, #10ac84 75%, #ff9f43 100%);
      --gradient-soft: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
      --gradient-neon: linear-gradient(90deg, #ff4757, #f368e0, #2e86de, #10ac84, #ff9f43);
      --text-dark: #2f3542;
      --text-muted: #747d8c;
      --bg-light: #f8f9fa;
      --border-color: #dfe4ea;
      --card-shadow: 0 10px 30px rgba(0,0,0,0.06);
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-light);
    }

    body {
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 通用容器布局 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    section {
      padding: 80px 0;
      position: relative;
    }

    /* 斑斓色彩斑块 - 装饰性渐变底纹 */
    .decor-bg {
      position: absolute;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      filter: blur(120px);
      opacity: 0.15;
      z-index: -1;
      pointer-events: none;
    }
    .decor-1 { top: 10%; left: -10%; background: var(--accent-3); }
    .decor-2 { bottom: 20%; right: -10%; background: var(--accent-1); }

    /* 标题样式 */
    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-header h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 15px;
      background: var(--gradient-rainbow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .section-header p {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto;
    }

    /* 按钮基础样式 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 30px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      cursor: pointer;
      border: none;
    }

    .btn-rainbow {
      background: var(--gradient-rainbow);
      color: #fff;
      box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
    }

    .btn-rainbow:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(255, 71, 87, 0.5);
    }

    .btn-outline {
      background: transparent;
      color: var(--text-dark);
      border: 2px solid var(--text-dark);
    }

    .btn-outline:hover {
      background: var(--text-dark);
      color: #fff;
      transform: translateY(-3px);
    }

    /* 导航栏 */
    header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      z-index: 1000;
      transition: background 0.3s;
    }

    .nav-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

    .logo-container {
      display: flex;
      align-items: center;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 45px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.4rem;
      font-weight: 800;
      margin-left: 10px;
      background: var(--gradient-rainbow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 20px;
    }

    .nav-link {
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.3s;
    }

    .nav-link:hover {
      color: var(--primary);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 15px;
    }

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

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(243, 104, 224, 0.15), transparent 50%),
                  radial-gradient(circle at 10% 80%, rgba(46, 134, 222, 0.15), transparent 50%),
                  #ffffff;
      padding: 120px 0 100px 0;
      text-align: center;
    }

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

    .hero-badge {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(255, 71, 87, 0.1);
      color: var(--primary);
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 25px;
      border: 1px solid rgba(255, 71, 87, 0.2);
    }

    h1.hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-dark);
      margin-bottom: 25px;
      letter-spacing: -1px;
    }

    h1.hero-title span {
      background: var(--gradient-rainbow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-description {
      font-size: 1.25rem;
      color: var(--text-muted);
      margin-bottom: 40px;
      line-height: 1.8;
    }

    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 50px;
    }

    /* 数据指标卡片 (Hero区内部) */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
    }

    .stat-card {
      background: #fff;
      padding: 25px 20px;
      border-radius: 16px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      transition: transform 0.3s;
    }

    .stat-card:hover {
      transform: translateY(-5px);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 5px;
      background: var(--gradient-rainbow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于我们 & 平台介绍 */
    .about-section {
      background: #ffffff;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 50px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 1.05rem;
      line-height: 1.8;
    }

    .about-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .highlight-item {
      padding: 15px;
      border-left: 4px solid var(--primary);
      background: var(--bg-light);
      border-radius: 0 8px 8px 0;
    }

    .highlight-title {
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 5px;
    }

    .highlight-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 关于我们侧边特色展示卡片 (取替传统右侧图片) */
    .about-feature-box {
      background: var(--gradient-rainbow);
      padding: 3px;
      border-radius: 24px;
      box-shadow: var(--card-shadow);
    }

    .about-feature-inner {
      background: #fff;
      padding: 40px;
      border-radius: 21px;
      text-align: center;
    }

    .feature-icon-badge {
      width: 70px;
      height: 70px;
      background: rgba(255, 71, 87, 0.1);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 20px;
    }

    /* AIGC 服务能力卡片 */
    .service-section {
      background: var(--bg-light);
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .service-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 35px 30px;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 5px;
      background: var(--gradient-rainbow);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

    .service-card:hover::before {
      transform: scaleX(1);
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    }

    .service-card-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      display: inline-block;
    }

    .service-card-title {
      font-size: 1.3rem;
      font-weight: 750;
      margin-bottom: 15px;
      color: var(--text-dark);
    }

    .service-card-desc {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 模型聚合展示 (标签云) */
    .models-section {
      background: #ffffff;
      padding: 60px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .tag-cloud-title {
      text-align: center;
      margin-bottom: 30px;
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-muted);
      letter-spacing: 2px;
      text-transform: uppercase;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .tag-item {
      padding: 8px 18px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: all 0.3s;
      cursor: default;
    }

    .tag-item:hover {
      background: var(--gradient-rainbow);
      color: #fff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* 流程步骤 */
    .process-section {
      background: #ffffff;
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      position: relative;
    }

    .process-steps::before {
      content: "";
      position: absolute;
      top: 40px;
      left: 10%;
      right: 10%;
      height: 3px;
      background: var(--border-color);
      z-index: 1;
    }

    .step-card {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .step-num {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: #fff;
      border: 3px solid var(--border-color);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-muted);
      margin-bottom: 20px;
      transition: all 0.3s;
    }

    .step-card:hover .step-num {
      border-color: transparent;
      background: var(--gradient-rainbow);
      color: #fff;
      transform: scale(1.1);
      box-shadow: 0 5px 15px rgba(255, 71, 87, 0.3);
    }

    .step-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

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

    /* 对比评测板块 */
    .compare-section {
      background: var(--bg-light);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 40px;
      align-items: center;
    }

    .compare-summary {
      background: #fff;
      padding: 40px;
      border-radius: 24px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      text-align: center;
    }

    .score-badge {
      display: inline-block;
      margin-bottom: 20px;
    }

    .score-stars {
      color: #ffd700;
      font-size: 2rem;
      margin-bottom: 10px;
    }

    .score-num {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1;
      background: var(--gradient-rainbow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .score-total {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .table-container {
      background: #fff;
      border-radius: 20px;
      padding: 20px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      overflow-x: auto;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

    th, td {
      padding: 18px 15px;
      border-bottom: 1px solid var(--border-color);
    }

    th {
      font-weight: 700;
      color: var(--text-dark);
      background-color: var(--bg-light);
    }

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

    .badge-yes {
      background: rgba(16, 172, 132, 0.1);
      color: var(--accent-2);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 700;
    }

    .badge-no {
      background: rgba(255, 71, 87, 0.1);
      color: var(--primary);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 700;
    }

    /* 案例展示 */
    .case-section {
      background: #ffffff;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .case-card {
      background: var(--bg-light);
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      transition: all 0.3s;
    }

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

    .case-img-container {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #eaeaea;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }

    .case-card:hover .case-img-container img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 25px;
    }

    .case-tag {
      display: inline-block;
      padding: 4px 10px;
      background: var(--gradient-rainbow);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 15px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 培训业务 */
    .training-section {
      background: var(--bg-light);
    }

    .training-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }

    .training-card {
      background: #fff;
      padding: 30px 25px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      text-align: center;
      transition: transform 0.3s;
    }

    .training-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary);
    }

    .cert-icon {
      font-size: 2.2rem;
      margin-bottom: 15px;
    }

    .cert-name {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 8px;
    }

    .cert-authority {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Token 比价 */
    .token-price-section {
      background: #ffffff;
    }

    .price-table {
      margin-top: 30px;
    }

    /* 客户评论卡片 */
    .comments-section {
      background: var(--bg-light);
    }

    .comment-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .comment-card {
      background: #fff;
      border-radius: 20px;
      padding: 30px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .comment-text {
      font-style: italic;
      color: var(--text-dark);
      font-size: 0.95rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .comment-user {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .user-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--gradient-rainbow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
    }

    .user-info-name {
      font-weight: 700;
      font-size: 0.9rem;
    }

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

    /* FAQ 折叠面板 */
    .faq-section {
      background: #ffffff;
    }

    .faq-wrapper {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: 12px;
      margin-bottom: 15px;
      background: var(--bg-light);
      overflow: hidden;
      transition: all 0.3s;
    }

    .faq-header {
      padding: 20px 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      user-select: none;
    }

    .faq-icon {
      transition: transform 0.3s;
      font-size: 1.2rem;
    }

    .faq-content {
      padding: 0 25px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
      border-top: 0px solid transparent;
    }

    .faq-item.active {
      background: #fff;
      border-color: var(--primary);
      box-shadow: var(--card-shadow);
    }

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

    .faq-item.active .faq-content {
      padding: 20px 25px;
      max-height: 200px;
      border-top: 1px solid var(--border-color);
    }

    /* 术语百科 & 自助排查 */
    .troubleshoot-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 40px;
    }

    .troubleshoot-box {
      background: #fff;
      border-radius: 20px;
      padding: 35px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }

    .troubleshoot-box h3 {
      font-size: 1.3rem;
      margin-bottom: 20px;
      font-weight: 750;
      border-bottom: 2px solid var(--bg-light);
      padding-bottom: 10px;
    }

    .troubleshoot-list {
      list-style: none;
    }

    .troubleshoot-list li {
      margin-bottom: 15px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .troubleshoot-title {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-dark);
    }

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

    /* 资讯知识库 */
    .articles-section {
      background: var(--bg-light);
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .article-card {
      background: #fff;
      border-radius: 16px;
      padding: 25px;
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.3s;
    }

    .article-card:hover {
      transform: translateY(-5px);
    }

    .article-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .article-link {
      color: var(--accent-1);
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .article-link:hover {
      text-decoration: underline;
    }

    /* 智能需求匹配与联系表单 */
    .contact-section {
      background: #ffffff;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 50px;
    }

    .contact-info {
      padding-right: 20px;
    }

    .contact-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 25px;
    }

    .info-list {
      list-style: none;
      margin-bottom: 40px;
    }

    .info-list li {
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 1.05rem;
    }

    .info-icon {
      font-size: 1.5rem;
      color: var(--primary);
    }

    .qrcode-area {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      text-align: center;
    }

    .qrcode-box {
      background: var(--bg-light);
      padding: 15px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .qrcode-box img {
      width: 100%;
      max-width: 100px;
      height: auto;
      border-radius: 8px;
      margin-bottom: 10px;
    }

    .qrcode-label {
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* 表单组件 */
    .form-wrapper {
      background: var(--bg-light);
      padding: 40px;
      border-radius: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      margin-bottom: 8px;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 18px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background: #fff;
      font-size: 1rem;
      transition: border-color 0.3s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
    }

    /* 代理加盟板块 */
    .agent-section {
      background: var(--gradient-rainbow);
      color: #fff;
      padding: 80px 0;
      text-align: center;
    }

    .agent-section .section-header h2 {
      color: #fff;
      background: none;
      -webkit-text-fill-color: initial;
    }

    .agent-section .section-header p {
      color: rgba(255, 255, 255, 0.85);
    }

    .agent-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-top: 40px;
    }

    .agent-card {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 20px;
      padding: 35px;
      text-align: center;
      transition: transform 0.3s;
    }

    .agent-card:hover {
      transform: translateY(-5px);
      background: rgba(255, 255, 255, 0.15);
    }

    .agent-title {
      font-size: 1.3rem;
      font-weight: 750;
      margin-bottom: 15px;
    }

    .agent-desc {
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.6;
    }

    /* 友情链接与页脚 */
    footer {
      background: var(--secondary);
      color: #a4b0be;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.5fr;
      gap: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      padding-bottom: 40px;
      margin-bottom: 30px;
    }

    .footer-brand h4 {
      color: #fff;
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 15px;
    }

    .footer-brand p {
      line-height: 1.7;
    }

    .footer-links h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list a {
      color: #a4b0be;
      text-decoration: none;
      transition: color 0.3s;
    }

    .footer-links-list a:hover {
      color: #fff;
    }

    .friend-links-area {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 15px;
    }

    .friend-links-area a {
      display: inline-block;
      padding: 4px 10px;
      background: rgba(255,255,255,0.05);
      color: #a4b0be;
      text-decoration: none;
      font-size: 0.8rem;
      border-radius: 4px;
      transition: all 0.3s;
    }

    .friend-links-area a:hover {
      background: var(--gradient-rainbow);
      color: #fff;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    /* 浮动组件 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #fff;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.3s;
      position: relative;
    }

    .float-btn:hover {
      background: var(--gradient-rainbow);
      color: #fff;
      transform: translateY(-3px);
    }

    .float-btn svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .kefu-popover {
      position: absolute;
      bottom: 60px;
      right: 0;
      background: #fff;
      padding: 15px;
      border-radius: 12px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
      display: none;
      text-align: center;
      width: 150px;
    }

    .kefu-popover img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .kefu-popover p {
      font-size: 0.75rem;
      color: var(--text-dark);
      font-weight: 700;
    }

    .float-btn:hover .kefu-popover {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .compare-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .process-steps::before {
        display: none;
      }
      .process-steps {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      h1.hero-title {
        font-size: 2.2rem;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--card-shadow);
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .case-grid, .comment-grid, .agent-cards {
        grid-template-columns: 1fr;
      }
      .troubleshoot-grid {
        grid-template-columns: 1fr;
      }
    }