/* 缤纷糖果亮色风全局样式定义 */
    :root {
      --primary-color: #FF5A79; /* 软糖粉 */
      --secondary-color: #35D0BA; /* 薄荷绿 */
      --accent-color: #FFC93C; /* 柠檬黄 */
      --text-dark: #2A2E43; /* 深蓝灰，保障高可读性 */
      --text-light: #6C757D;
      --bg-main: #FAFAF6; /* 淡淡的米白暖底色 */
      --bg-card: #FFFFFF;
      --border-radius-lg: 24px;
      --border-radius-md: 16px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    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-main);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 统一外层居中容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    header {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 3px solid #FFF1F3;
      box-shadow: 0 4px 20px rgba(255, 90, 121, 0.05);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
    }

    .brand-name {
      font-size: 1.5rem;
      font-weight: 800;
      background: linear-gradient(45deg, var(--primary-color), #FF8E53);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-menu a {
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 600;
      font-size: 0.95rem;
      transition: var(--transition);
      padding: 6px 12px;
      border-radius: 20px;
    }

    .nav-menu a:hover {
      background: #FFEBF0;
      color: var(--primary-color);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary-color) 0%, #FF8E53 100%);
      color: #FFF !important;
      padding: 8px 18px !important;
      border-radius: 25px;
      box-shadow: 0 4px 10px rgba(255, 90, 121, 0.3);
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(255, 90, 121, 0.4);
    }

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

    /* 移动端菜单激活样式 */
    @media (max-width: 992px) {
      .menu-toggle {
        display: block;
      }

      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #FFF;
        padding: 20px;
        border-bottom: 3px solid var(--primary-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }

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

      .nav-btn-group {
        display: none;
      }
    }

    /* 首屏 Hero 区 (无图片，纯色/渐变/几何块) */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, #FFF5F7 0%, #E8F9F7 100%);
      padding: 100px 0 80px;
      position: relative;
      overflow: hidden;
      border-bottom-left-radius: 40px;
      border-bottom-right-radius: 40px;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: rgba(255, 201, 60, 0.2);
      border-radius: 50%;
      top: -100px;
      left: -100px;
      filter: blur(50px);
    }

    .hero-section::after {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: rgba(53, 208, 186, 0.15);
      border-radius: 50%;
      bottom: -150px;
      right: -100px;
      filter: blur(60px);
    }

    .hero-content {
      position: relative;
      z-index: 10;
      text-align: center;
      max-width: 850px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-block;
      background: #FFEBF0;
      color: var(--primary-color);
      padding: 6px 16px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 24px;
      border: 1px solid rgba(255, 90, 121, 0.2);
    }

    /* 必须的 H1 标题 */
    h1.hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1.3;
      color: var(--text-dark);
      margin-bottom: 24px;
    }

    h1.hero-title span {
      background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-light);
      margin-bottom: 40px;
      font-weight: 500;
    }

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

    .btn-hero-primary {
      background: linear-gradient(135deg, var(--primary-color) 0%, #FF8E53 100%);
      color: #FFF;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 35px;
      text-decoration: none;
      box-shadow: 0 10px 20px rgba(255, 90, 121, 0.35);
      transition: var(--transition);
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 25px rgba(255, 90, 121, 0.45);
    }

    .btn-hero-secondary {
      background: #FFF;
      color: var(--text-dark);
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 35px;
      text-decoration: none;
      border: 3px solid #FFF1F3;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.03);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      background: #FFF1F3;
      transform: translateY(-3px);
    }

    /* 数据指标卡片 */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.8);
      border: 2px solid #FFF;
      border-radius: var(--border-radius-md);
      padding: 20px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: 600;
    }

    /* 通用区块样式 */
    section {
      padding: 80px 0;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-tag {
      display: inline-block;
      background: #E8F9F7;
      color: var(--secondary-color);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-dark);
    }

    /* 关于我们 */
    .about-section {
      background: #FFF;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    @media (max-width: 768px) {
      .about-grid {
        grid-template-columns: 1fr;
      }
    }

    .about-text-content h3 {
      font-size: 1.6rem;
      color: var(--text-dark);
      margin-bottom: 20px;
      font-weight: 800;
    }

    .about-text-content p {
      color: var(--text-light);
      margin-bottom: 20px;
      font-size: 1.05rem;
    }

    .about-features {
      list-style: none;
    }

    .about-features li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
    }

    .about-features li::before {
      content: '✓';
      display: inline-flex;
      width: 20px;
      height: 20px;
      background: var(--secondary-color);
      color: #FFF;
      border-radius: 50%;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
    }

    /* 服务能力卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .service-card {
      background: #FFF;
      border-radius: var(--border-radius-lg);
      padding: 30px;
      border: 3px solid #FFF;
      box-shadow: 0 10px 30px rgba(0,0,0,0.03);
      transition: var(--transition);
      position: relative;
    }

    .service-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 6px;
      background: var(--primary-color);
      border-top-left-radius: var(--border-radius-lg);
      border-top-right-radius: var(--border-radius-lg);
    }

    .service-card:nth-child(even)::after {
      background: var(--secondary-color);
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 40px rgba(255, 90, 121, 0.1);
      border-color: #FFEBF0;
    }

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

    .service-card h3 {
      font-size: 1.3rem;
      margin-bottom: 15px;
      font-weight: 800;
    }

    .service-card p {
      color: var(--text-light);
      font-size: 0.95rem;
    }

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

    .process-flow {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 30px;
      position: relative;
    }

    .process-step {
      background: var(--bg-main);
      padding: 30px;
      border-radius: var(--border-radius-md);
      position: relative;
      border: 2px dashed #FFF;
    }

    .step-num {
      position: absolute;
      top: -20px;
      left: 30px;
      background: var(--accent-color);
      color: var(--text-dark);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      box-shadow: 0 4px 10px rgba(255, 201, 60, 0.4);
    }

    .process-step h4 {
      margin-top: 10px;
      margin-bottom: 10px;
      font-weight: 800;
      font-size: 1.15rem;
    }

    .process-step p {
      color: var(--text-light);
      font-size: 0.9rem;
    }

    /* 对比评测板块 */
    .comparison-section {
      background: #FFF5F7;
      border-radius: 40px;
      margin: 40px 0;
    }

    .score-badge {
      display: inline-flex;
      align-items: center;
      gap: 15px;
      background: #FFF;
      padding: 15px 30px;
      border-radius: 50px;
      box-shadow: 0 10px 25px rgba(255, 90, 121, 0.1);
      margin-bottom: 40px;
    }

    .score-title {
      font-weight: 800;
      color: var(--text-dark);
    }

    .score-stars {
      color: var(--accent-color);
      font-size: 1.3rem;
    }

    .score-number {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary-color);
    }

    .comparison-table-wrap {
      overflow-x: auto;
      background: #FFF;
      border-radius: var(--border-radius-lg);
      padding: 20px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    }

    table.comparison-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 600px;
    }

    .comparison-table th, .comparison-table td {
      padding: 18px 15px;
      text-align: center;
      border-bottom: 1px solid #F0F0F0;
    }

    .comparison-table th {
      background: #FAFAF6;
      font-weight: 800;
      color: var(--text-dark);
    }

    .comparison-table td:first-child {
      font-weight: 700;
      text-align: left;
      color: var(--text-dark);
    }

    .comparison-table .highlight {
      background: rgba(53, 208, 186, 0.05);
      color: var(--secondary-color);
      font-weight: 700;
    }

    .comparison-table .highlight-pink {
      background: rgba(255, 90, 121, 0.05);
      color: var(--primary-color);
      font-weight: 700;
    }

    /* 培训板块 */
    .training-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    @media (max-width: 768px) {
      .training-grid {
        grid-template-columns: 1fr;
      }
    }

    .training-card {
      background: #FFF;
      border-radius: var(--border-radius-lg);
      padding: 40px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
      border: 3px solid #FFF;
      transition: var(--transition);
    }

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

    .training-card h3 {
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: var(--text-dark);
      font-weight: 800;
      border-left: 6px solid var(--primary-color);
      padding-left: 12px;
    }

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

    .course-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
      border-bottom: 1px dashed #EEE;
    }

    .course-name {
      font-weight: 700;
    }

    .course-badge {
      background: #E8F9F7;
      color: var(--secondary-color);
      padding: 4px 10px;
      border-radius: 12px;
      font-size: 0.8rem;
      font-weight: 700;
    }

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

    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .token-card {
      background: var(--bg-main);
      padding: 24px;
      border-radius: var(--border-radius-md);
      display: flex;
      justify-content: space-between;
      align-items: center;
      border: 2px solid #FFF;
      transition: var(--transition);
    }

    .token-card:hover {
      border-color: var(--primary-color);
      background: #FFF;
    }

    .token-info h4 {
      font-size: 1.15rem;
      font-weight: 800;
    }

    .token-info p {
      color: var(--text-light);
      font-size: 0.85rem;
    }

    .token-price {
      text-align: right;
    }

    .token-price .old-price {
      text-decoration: line-through;
      color: var(--text-light);
      font-size: 0.85rem;
    }

    .token-price .new-price {
      color: var(--primary-color);
      font-weight: 800;
      font-size: 1.2rem;
    }

    /* 案例展示区 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }

    .case-card {
      background: #FFF;
      border-radius: var(--border-radius-lg);
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
      border: 3px solid #FFF;
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 40px rgba(53, 208, 186, 0.15);
      border-color: #E8F9F7;
    }

    .case-img-container {
      position: relative;
      padding-top: 56.25%; /* 16:9 */
      background: #FAFAF6;
    }

    .case-img-container img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-body {
      padding: 24px;
    }

    .case-tag {
      background: #FFEBF0;
      color: var(--primary-color);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 10px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .case-body h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-body p {
      color: var(--text-light);
      font-size: 0.9rem;
    }

    /* 客户评论卡片 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .review-card {
      background: #FFF;
      border-radius: var(--border-radius-lg);
      padding: 30px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
      border: 3px solid #FFF;
      position: relative;
    }

    .review-card::before {
      content: '“';
      position: absolute;
      top: 10px;
      right: 25px;
      font-size: 4rem;
      color: #FFEBF0;
      font-family: Georgia, serif;
      line-height: 1;
    }

    .review-text {
      color: var(--text-dark);
      font-size: 0.95rem;
      margin-bottom: 20px;
      position: relative;
      z-index: 2;
    }

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

    .review-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--accent-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--text-dark);
    }

    .review-info h5 {
      font-size: 1rem;
      font-weight: 800;
    }

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

    /* 常见问题 FAQ (折叠面板，不少于10条) */
    .faq-section {
      background: #FFF;
    }

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

    .faq-item {
      background: var(--bg-main);
      margin-bottom: 15px;
      border-radius: var(--border-radius-md);
      overflow: hidden;
      border: 2px solid #FFF;
      transition: var(--transition);
    }

    .faq-header {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
      user-select: none;
    }

    .faq-header::after {
      content: '+';
      font-size: 1.4rem;
      color: var(--primary-color);
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-color);
      background: #FFF;
    }

    .faq-item.active .faq-header::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }

    .faq-body-content {
      padding: 0 24px 20px;
      color: var(--text-light);
      font-size: 0.95rem;
    }

    /* 常见问题自助排查 & AI术语百科 */
    .support-tools-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    @media (max-width: 768px) {
      .support-tools-grid {
        grid-template-columns: 1fr;
      }
    }

    .tool-box {
      background: #FFF;
      border-radius: var(--border-radius-lg);
      padding: 30px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    }

    .tool-box h3 {
      font-size: 1.4rem;
      margin-bottom: 20px;
      font-weight: 800;
    }

    .check-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .check-btn {
      background: var(--bg-main);
      padding: 15px;
      border-radius: var(--border-radius-md);
      cursor: pointer;
      font-weight: 700;
      border: 2px solid transparent;
      transition: var(--transition);
      text-align: left;
    }

    .check-btn:hover {
      border-color: var(--secondary-color);
    }

    .check-result-box {
      margin-top: 20px;
      padding: 15px;
      background: #E8F9F7;
      border-radius: var(--border-radius-md);
      display: none;
      color: var(--text-dark);
      font-size: 0.9rem;
    }

    .glossary-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .glossary-item {
      border-bottom: 1px solid #F0F0F0;
      padding-bottom: 12px;
    }

    .glossary-term {
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 4px;
    }

    .glossary-def {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 行业资讯 / 知识库 */
    .news-section {
      background: #FFF;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }

    .news-card {
      background: var(--bg-main);
      border-radius: var(--border-radius-lg);
      padding: 30px;
      border: 2px solid #FFF;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 220px;
      transition: var(--transition);
    }

    .news-card:hover {
      background: #FFF;
      border-color: var(--accent-color);
      transform: translateY(-5px);
    }

    .news-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-card p {
      color: var(--text-light);
      font-size: 0.9rem;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .news-link {
      color: var(--primary-color);
      text-decoration: none;
      font-weight: 700;
      font-size: 0.9rem;
    }

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

    /* 智能需求匹配与联系我们表单 */
    .contact-section {
      background: radial-gradient(circle at 10% 90%, #FFEBF0 0%, #FAFAF6 100%);
    }

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

    @media (max-width: 992px) {
      .contact-grid {
        grid-template-columns: 1fr;
      }
    }

    .form-wrap {
      background: #FFF;
      padding: 40px;
      border-radius: var(--border-radius-lg);
      box-shadow: 0 15px 45px rgba(255, 90, 121, 0.08);
      border: 3px solid #FFF;
    }

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

    .form-group label {
      display: block;
      font-weight: 700;
      margin-bottom: 8px;
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 18px;
      border: 2px solid #F0F0F0;
      border-radius: var(--border-radius-md);
      font-size: 1rem;
      background: var(--bg-main);
      transition: var(--transition);
    }

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

    .btn-submit {
      background: linear-gradient(135deg, var(--primary-color) 0%, #FF8E53 100%);
      color: #FFF;
      border: none;
      padding: 14px 30px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 1.1rem;
      cursor: pointer;
      width: 100%;
      box-shadow: 0 6px 15px rgba(255, 90, 121, 0.3);
      transition: var(--transition);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(255, 90, 121, 0.4);
    }

    .contact-info-wrap {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 30px;
    }

    .contact-card {
      background: rgba(255, 255, 255, 0.8);
      padding: 24px;
      border-radius: var(--border-radius-md);
      border: 2px solid #FFF;
    }

    .contact-card h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      font-weight: 800;
      color: var(--text-dark);
    }

    .qr-container {
      display: flex;
      gap: 20px;
      margin-top: 15px;
      flex-wrap: wrap;
    }

    .qr-box {
      background: #FFF;
      padding: 10px;
      border-radius: var(--border-radius-md);
      border: 1px solid #EEE;
      text-align: center;
      width: 130px;
    }

    .qr-box img {
      width: 100%;
      height: auto;
      border-radius: 8px;
    }

    .qr-box p {
      font-size: 0.75rem;
      font-weight: 700;
      margin-top: 6px;
    }

    /* 加盟代理板块 */
    .agent-section {
      background: linear-gradient(135deg, #FFF5F7 0%, #E8F9F7 100%);
      border-radius: 40px;
      padding: 60px 40px;
      margin: 40px 0;
      text-align: center;
    }

    .agent-wrap h3 {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-dark);
      margin-bottom: 15px;
    }

    .agent-wrap p {
      font-size: 1.1rem;
      color: var(--text-light);
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .agent-features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      margin-bottom: 40px;
    }

    .agent-feat-card {
      background: #FFF;
      padding: 20px;
      border-radius: var(--border-radius-md);
      box-shadow: 0 10px 20px rgba(0,0,0,0.02);
    }

    .agent-feat-card h4 {
      color: var(--primary-color);
      font-weight: 800;
      margin-bottom: 6px;
    }

    /* 浮动客服 */
    .floating-contact {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary-color);
      color: #FFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      box-shadow: 0 6px 15px rgba(255, 90, 121, 0.4);
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      transform: scale(1.1);
      background: var(--secondary-color);
      box-shadow: 0 6px 15px rgba(53, 208, 186, 0.4);
    }

    .float-qr-popup {
      position: absolute;
      right: 65px;
      bottom: 0;
      background: #FFF;
      padding: 15px;
      border-radius: var(--border-radius-md);
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      display: none;
      width: 160px;
      border: 2px solid var(--primary-color);
    }

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

    .float-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 6px;
    }

    /* 页脚 */
    footer {
      background: #2A2E43;
      color: #ECEFF1;
      padding: 60px 0 20px;
      border-top: 5px solid var(--primary-color);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.5fr;
      gap: 50px;
      margin-bottom: 40px;
    }

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    .footer-logo-desc h4 {
      font-size: 1.5rem;
      margin-bottom: 15px;
      color: #FFF;
    }

    .footer-logo-desc p {
      font-size: 0.9rem;
      color: #B0BEC5;
      line-height: 1.8;
    }

    .footer-links h5, .footer-contact h5 {
      font-size: 1.1rem;
      color: #FFF;
      margin-bottom: 20px;
      font-weight: 800;
    }

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

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

    .footer-links a {
      color: #B0BEC5;
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--secondary-color);
      padding-left: 5px;
    }

    .footer-contact p {
      font-size: 0.9rem;
      color: #B0BEC5;
      margin-bottom: 10px;
    }

    .friend-links {
      border-top: 1px solid #37474F;
      padding-top: 20px;
      margin-bottom: 20px;
      font-size: 0.85rem;
      color: #B0BEC5;
    }

    .friend-links a {
      color: #B0BEC5;
      text-decoration: none;
      margin-right: 15px;
      transition: var(--transition);
    }

    .friend-links a:hover {
      color: var(--primary-color);
    }

    .copyright {
      text-align: center;
      font-size: 0.8rem;
      color: #78909C;
      border-top: 1px solid #37474F;
      padding-top: 20px;
    }

    .ai-page-home-link {
      color: var(--secondary-color);
      text-decoration: none;
      font-weight: 700;
    }

    .ai-page-home-link:hover {
      text-decoration: underline;
    }