/* 核心样式与重置 */
    :root {
      --primary: #6c5ce7;
      --secondary: #00cec9;
      --accent: #fd79a8;
      --dark: #2d3436;
      --light: #f5f6fa;
      --white: #ffffff;
      --laser-gradient: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 50%, #e0c3fc 100%);
      --laser-glow: 0 8px 32px 0 rgba(142, 197, 252, 0.3);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background-color: var(--light);
      color: var(--dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    a:hover {
      color: var(--accent);
    }

    /* 容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 导航栏 */
    header {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(224, 195, 252, 0.4);
      transition: background 0.3s ease;
    }

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

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

    .ai-page-logo {
      height: 40px;
      object-fit: contain;
    }

    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(45deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-item a {
      color: var(--dark);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 5px 10px;
      border-radius: 4px;
    }

    .nav-item a:hover {
      background: rgba(108, 92, 231, 0.1);
      color: var(--primary);
    }

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

    .btn-nav {
      background: var(--laser-gradient);
      color: #333 !important;
      padding: 8px 16px;
      border-radius: 20px;
      font-weight: 600;
      font-size: 0.85rem;
      box-shadow: 0 4px 10px rgba(142, 197, 252, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .btn-nav:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(142, 197, 252, 0.6);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
    }

    .menu-toggle span {
      width: 25px;
      height: 3px;
      background-color: var(--dark);
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      position: relative;
      padding: 100px 0 80px;
      background: linear-gradient(180deg, #ffffff 0%, #f1f4f9 100%);
      overflow: hidden;
      border-bottom: 1px solid rgba(142, 197, 252, 0.2);
    }

    .hero-section::before {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(224, 195, 252, 0.4) 0%, rgba(255, 255, 255, 0) 70%);
      top: -100px;
      right: -100px;
      z-index: 1;
      filter: blur(40px);
    }

    .hero-section::after {
      content: '';
      position: absolute;
      width: 350px;
      height: 350px;
      background: radial-gradient(circle, rgba(142, 197, 252, 0.4) 0%, rgba(255, 255, 255, 0) 70%);
      bottom: -50px;
      left: -100px;
      z-index: 1;
      filter: blur(40px);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(108, 92, 231, 0.1);
      color: var(--primary);
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 20px;
      border: 1px solid rgba(108, 92, 231, 0.2);
      letter-spacing: 1px;
    }

    h1.hero-title {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      background: linear-gradient(135deg, #2d3436 0%, #6c5ce7 50%, #fd79a8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: #636e72;
      margin-bottom: 40px;
      line-height: 1.8;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-primary {
      background: var(--laser-gradient);
      color: #2d3436;
      padding: 14px 30px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 1rem;
      box-shadow: var(--laser-glow);
      border: 1px solid rgba(255, 255, 255, 0.6);
      transition: all 0.3s ease;
      cursor: pointer;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 24px rgba(142, 197, 252, 0.5);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.9);
      color: var(--dark);
      padding: 14px 30px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 1rem;
      border: 1px solid #dfe6e9;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }

    .btn-secondary:hover {
      background: var(--white);
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    /* 数据指标卡片 (Hero区下方，无图) */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(10px);
      padding: 30px;
      border-radius: 20px;
      border: 1px solid rgba(224, 195, 252, 0.3);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    }

    .stat-card {
      text-align: center;
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      background: linear-gradient(45deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: #636e72;
      font-weight: 600;
    }

    /* 通用章节样式 */
    section {
      padding: 80px 0;
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

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

    .section-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--primary);
      margin-bottom: 10px;
      display: inline-block;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--dark);
      position: relative;
      display: inline-block;
      padding-bottom: 15px;
    }

    .section-title::after {
      content: '';
      position: absolute;
      width: 50px;
      height: 4px;
      background: var(--laser-gradient);
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 2px;
    }

    .section-desc {
      font-size: 1rem;
      color: #636e72;
      max-width: 600px;
      margin: 15px auto 0;
    }

    /* 模块2: 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.6rem;
      margin-bottom: 15px;
      color: var(--dark);
    }

    .about-text p {
      color: #636e72;
      margin-bottom: 20px;
      font-size: 0.95rem;
      line-height: 1.8;
    }

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

    .about-features li {
      margin-bottom: 10px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
    }

    .about-features li::before {
      content: '✓';
      color: var(--secondary);
      font-weight: 900;
      background: rgba(0, 206, 201, 0.1);
      width: 22px;
      height: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 0.8rem;
    }

    .about-image-wrap {
      position: relative;
    }

    .about-image-wrap img {
      border-radius: 16px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
      width: 100%;
      max-width: 500px;
      display: block;
      margin: 0 auto;
    }

    /* 模块3: 全平台AIGC服务 (模型墙) */
    .models-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: 15px;
      margin-top: 30px;
    }

    .model-tag-card {
      background: var(--white);
      border: 1px solid rgba(0,0,0,0.05);
      border-radius: 10px;
      padding: 15px 10px;
      text-align: center;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--dark);
      transition: all 0.3s ease;
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    }

    .model-tag-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary);
      box-shadow: 0 8px 20px rgba(108,92,231,0.15);
      background: linear-gradient(135deg, #ffffff 0%, #f3f0ff 100%);
    }

    /* 模块4: 一站式AIGC制作 (卡片) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--white);
      border-radius: 16px;
      padding: 35px 25px;
      border: 1px solid rgba(224, 195, 252, 0.2);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--laser-gradient);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--laser-glow);
      border-color: rgba(142, 197, 252, 0.5);
    }

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

    .service-icon {
      width: 50px;
      height: 50px;
      background: rgba(108, 92, 231, 0.08);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--dark);
    }

    .service-card p {
      color: #636e72;
      font-size: 0.9rem;
      line-height: 1.6;
    }

    /* 模块5: 全行业解决方案 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      background: var(--white);
      padding: 25px;
      border-radius: 12px;
      text-align: center;
      border: 1px solid rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }

    .solution-card:hover {
      border-color: var(--secondary);
      box-shadow: 0 8px 24px rgba(0, 206, 201, 0.1);
      transform: translateY(-5px);
    }

    .solution-card h3 {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    .solution-card p {
      font-size: 0.85rem;
      color: #636e72;
    }

    /* 模块6: 全国服务网络 & 模块7: 标准化AIGC流程 */
    .network-flow-container {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
    }

    .flow-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .flow-step {
      display: flex;
      gap: 15px;
      background: var(--white);
      padding: 20px;
      border-radius: 12px;
      border: 1px solid rgba(0,0,0,0.04);
      box-shadow: 0 4px 10px rgba(0,0,0,0.01);
    }

    .flow-num {
      width: 35px;
      height: 35px;
      background: var(--laser-gradient);
      color: #2d3436;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      flex-shrink: 0;
    }

    .flow-detail h4 {
      font-size: 1rem;
      margin-bottom: 5px;
    }

    .flow-detail p {
      font-size: 0.85rem;
      color: #636e72;
    }

    /* 模块8: 技术标准 & 模块9: 客户案例中心 */
    .tech-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 50px;
    }

    .tech-card {
      background: var(--white);
      padding: 25px;
      border-radius: 10px;
      border-left: 4px solid var(--accent);
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    }

    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .case-card {
      background: var(--white);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 10px 25px rgba(0,0,0,0.03);
      border: 1px solid rgba(0,0,0,0.05);
    }

    .case-info {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 700;
      background: rgba(108, 92, 231, 0.08);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

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

    .case-info p {
      font-size: 0.85rem;
      color: #636e72;
    }

    /* 模块10: 对比评测 (五星/9.9分) */
    .compare-container {
      background: var(--white);
      border-radius: 20px;
      padding: 40px;
      border: 1px solid rgba(224, 195, 252, 0.4);
      box-shadow: var(--laser-glow);
    }

    .compare-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
      border-bottom: 1px solid #eee;
      padding-bottom: 20px;
    }

    .rating-box {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .rating-stars {
      color: #f1c40f;
      font-size: 1.5rem;
    }

    .rating-score {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
    }

    .compare-table-wrapper {
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 15px 20px;
      border-bottom: 1px solid #f1f2f6;
    }

    .compare-table th {
      background: #fafbff;
      font-weight: 700;
      color: var(--dark);
    }

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

    .highlight-col {
      color: var(--primary);
      font-weight: 700;
      background: rgba(108, 92, 231, 0.02);
    }

    /* 模块11: 智能需求匹配 (表单) & 模块20: 联系我们 */
    .contact-section-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
    }

    .form-box {
      background: var(--white);
      padding: 40px;
      border-radius: 20px;
      border: 1px solid rgba(0,0,0,0.05);
      box-shadow: 0 15px 35px rgba(0,0,0,0.03);
    }

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

    .form-group label {
      display: block;
      font-weight: 600;
      font-size: 0.9rem;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid #dfe6e9;
      font-family: inherit;
      font-size: 0.9rem;
      outline: none;
      transition: all 0.3s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
    }

    .btn-submit {
      width: 100%;
      background: var(--laser-gradient);
      border: 1px solid rgba(255,255,255,0.5);
      color: #2d3436;
      padding: 14px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      box-shadow: var(--laser-glow);
      transition: all 0.3s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(142, 197, 252, 0.5);
    }

    .contact-info-card {
      background: var(--white);
      padding: 40px;
      border-radius: 20px;
      border: 1px solid rgba(0,0,0,0.05);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-bottom: 30px;
    }

    .info-item {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .info-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(108, 92, 231, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .qrcode-box {
      text-align: center;
      border-top: 1px solid #f1f2f6;
      padding-top: 25px;
    }

    .qrcode-box img {
      max-width: 130px;
      margin-top: 10px;
      border-radius: 8px;
      border: 1px solid #eee;
    }

    /* 模块12: Token比价参考 & 模块13: 职业技术培训 & 模块14: 人工智能培训 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 50px;
    }

    .price-card {
      background: var(--white);
      border-radius: 12px;
      padding: 25px;
      text-align: center;
      border: 1px solid rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }

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

    .price-card h4 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .price-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 15px;
    }

    .price-unit {
      font-size: 0.8rem;
      color: #95a5a6;
      font-weight: normal;
    }

    .training-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 15px;
    }

    .training-card {
      background: linear-gradient(135deg, #ffffff 0%, #fdfbfb 100%);
      border: 1px solid rgba(224, 195, 252, 0.3);
      border-radius: 12px;
      padding: 20px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    }

    .training-card h4 {
      font-size: 0.95rem;
      margin-bottom: 10px;
      color: var(--dark);
    }

    .training-card p {
      font-size: 0.8rem;
      color: #7f8c8d;
    }

    /* 模块15: 帮助中心 & 模块16: FAQ 折叠面板 & 模块17: 常见问题自助排查 & 模块18: AI术语百科 */
    .help-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .faq-item {
      background: var(--white);
      border-radius: 8px;
      border: 1px solid rgba(0,0,0,0.05);
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-header {
      padding: 18px 20px;
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-header::after {
      content: '+';
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-header::after {
      content: '-';
    }

    .faq-body {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s cubic-bezier(0, 1, 0, 1);
      color: #636e72;
      font-size: 0.9rem;
      border-top: 0 solid transparent;
    }

    .faq-item.active .faq-body {
      padding: 15px 20px 20px;
      max-height: 300px;
      border-top: 1px solid #f1f2f6;
    }

    .troubleshoot-box, .wiki-box {
      background: var(--white);
      padding: 30px;
      border-radius: 12px;
      border: 1px solid rgba(0,0,0,0.05);
      height: 100%;
    }

    .troubleshoot-list, .wiki-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .troubleshoot-list li strong, .wiki-list li strong {
      color: var(--primary);
      display: block;
      margin-bottom: 4px;
    }

    .troubleshoot-list li, .wiki-list li {
      font-size: 0.85rem;
      color: #636e72;
      border-bottom: 1px dashed #f1f2f6;
      padding-bottom: 10px;
    }

    /* 模块19: 行业资讯 / 知识库 */
    .articles-section {
      background: rgba(255,255,255,0.5);
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .article-card {
      background: var(--white);
      border-radius: 12px;
      padding: 25px;
      box-shadow: 0 5px 20px rgba(0,0,0,0.02);
      border: 1px solid rgba(0,0,0,0.05);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 15px;
      line-height: 1.5;
      color: var(--dark);
    }

    .article-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 5px;
    }

    /* 模块21: 加盟代理 */
    .agent-cta-box {
      background: linear-gradient(135deg, #6c5ce7 0%, #fd79a8 100%);
      color: var(--white);
      border-radius: 24px;
      padding: 50px;
      text-align: center;
      box-shadow: 0 15px 40px rgba(108, 92, 231, 0.3);
      position: relative;
      overflow: hidden;
    }

    .agent-cta-box h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 15px;
    }

    .agent-cta-box p {
      font-size: 1.05rem;
      opacity: 0.9;
      max-width: 700px;
      margin: 0 auto 30px;
    }

    .btn-agent {
      background: var(--white);
      color: var(--primary);
      padding: 14px 35px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 1.05rem;
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      border: none;
      cursor: pointer;
      display: inline-block;
      transition: all 0.3s ease;
    }

    .btn-agent:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.25);
    }

    /* 模块7: 用户评论 (6条) */
    .comments-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-top: 40px;
    }

    .comment-card {
      background: var(--white);
      border-radius: 12px;
      padding: 25px;
      border: 1px solid rgba(0,0,0,0.05);
      box-shadow: 0 5px 15px rgba(0,0,0,0.02);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .comment-text {
      font-size: 0.9rem;
      color: #636e72;
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: italic;
    }

    .comment-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--laser-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--dark);
    }

    .user-meta h5 {
      font-size: 0.9rem;
      margin-bottom: 2px;
    }

    .user-meta span {
      font-size: 0.75rem;
      color: #95a5a6;
    }

    /* 页脚 */
    footer {
      background: #1e272e;
      color: #d2dae2;
      padding: 60px 0 30px;
      font-size: 0.9rem;
      border-top: 4px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.2rem;
      color: var(--white);
      margin-bottom: 15px;
      font-weight: 700;
    }

    .footer-links h5, .footer-contact h5 {
      color: var(--white);
      margin-bottom: 15px;
      font-weight: 600;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
    }

    .footer-links-list li {
      width: calc(50% - 10px);
    }

    .footer-links-list a {
      color: #a4b0be;
    }

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

    .friend-links-wrap {
      margin-top: 25px;
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 20px;
    }

    .friend-links-wrap h6 {
      color: var(--white);
      margin-bottom: 10px;
      font-size: 0.85rem;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 15px;
      font-size: 0.8rem;
    }

    .friend-links a {
      color: #8892b0;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.8rem;
      color: #8892b0;
    }

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

    .widget-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--white);
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.3s ease;
      border: 1px solid rgba(224, 195, 252, 0.4);
    }

    .widget-btn:hover {
      background: var(--laser-gradient);
      transform: scale(1.08);
    }

    .widget-btn svg {
      width: 22px;
      height: 22px;
      fill: var(--dark);
    }

    .widget-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: var(--white);
      padding: 15px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      border: 1px solid rgba(224, 195, 252, 0.4);
      display: none;
      text-align: center;
      width: 160px;
    }

    .widget-btn:hover .widget-popover {
      display: block;
    }

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

    .widget-popover span {
      font-size: 0.75rem;
      color: var(--dark);
      font-weight: 600;
    }

    /* 移动端响应式 */
    @media (max-width: 992px) {
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .network-flow-container, .contact-section-wrapper, .help-grid {
        grid-template-columns: 1fr;
      }
      .services-grid, .cases-grid, .token-price-grid, .comments-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .training-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      h1.hero-title {
        font-size: 2.1rem;
      }
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        border-bottom: 1px solid rgba(0,0,0,0.08);
        padding: 20px;
        gap: 15px;
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .services-grid, .cases-grid, .token-price-grid, .comments-grid, .solutions-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .training-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-btns {
        flex-direction: column;
      }
    }