/* 基础重置 */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      scroll-behavior: smooth;
    }

    :root {
      --bg-dark: #0a0b16;
      --bg-card: rgba(16, 18, 35, 0.7);
      --border-neon: rgba(0, 255, 204, 0.2);
      --border-neon-hover: rgba(0, 255, 204, 0.6);
      --text-main: #ffffff;
      --text-muted: #a0aec0;
      --neon-cyan: #00f2fe;
      --neon-green: #39ff14;
      --neon-purple: #b927fc;
      --neon-yellow: #fffb00;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* 炫彩荧光背景流光 */
    body::before {
      content: "";
      position: fixed;
      top: -10%;
      left: -10%;
      width: 120%;
      height: 120%;
      background: radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.05) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(185, 39, 252, 0.05) 0%, transparent 40%),
                  radial-gradient(circle at 50% 50%, rgba(57, 255, 20, 0.03) 0%, transparent 50%);
      z-index: -1;
      pointer-events: none;
    }

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

    /* 标题统一样式 */
    .section-title {
      text-align: center;
      margin-bottom: 50px;
      position: relative;
    }

    .section-title h2 {
      font-size: 2.2rem;
      font-weight: 800;
      background: linear-gradient(120deg, var(--neon-cyan), var(--neon-green));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
      margin-bottom: 10px;
    }

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

    /* 导航栏 */
    header {
      background: rgba(10, 11, 22, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-neon);
      position: sticky;
      top: 0;
      z-index: 100;
    }

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

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

    .brand img {
      height: 40px;
      width: auto;
    }

    .brand span {
      font-size: 1.3rem;
      font-weight: 800;
      background: linear-gradient(90deg, #fff, var(--neon-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

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

    .nav-menu a:hover {
      color: var(--neon-cyan);
    }

    .nav-btn {
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
      color: #000;
      font-weight: bold;
      padding: 8px 18px;
      border-radius: 30px;
      text-decoration: none;
      font-size: 0.9rem;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
    }

    .nav-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.8);
    }

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

    .menu-toggle span {
      display: block;
      width: 25px;
      height: 3px;
      background-color: var(--text-main);
      border-radius: 3px;
      transition: 0.3s;
    }

    /* 1. Hero首屏 (纯代码/几何样式，无图) */
    .hero {
      padding: 120px 0 80px 0;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(0, 255, 204, 0.1);
      border: 1px solid var(--neon-green);
      color: var(--neon-green);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 30px;
      margin-bottom: 25px;
      text-transform: uppercase;
      letter-spacing: 1px;
      box-shadow: 0 0 15px rgba(57, 255, 20, 0.15);
    }

    .hero h1 {
      font-size: 3rem;
      font-weight: 950;
      line-height: 1.25;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #ffffff 30%, var(--neon-cyan) 70%, var(--neon-green) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero p {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 35px auto;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green));
      color: #030712;
      padding: 15px 35px;
      font-size: 1.05rem;
      font-weight: bold;
      border-radius: 30px;
      text-decoration: none;
      transition: 0.3s;
      box-shadow: 0 0 20px rgba(0, 255, 204, 0.5);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 0 30px rgba(0, 255, 204, 0.9);
    }

    .btn-secondary {
      background: transparent;
      color: var(--text-main);
      padding: 15px 35px;
      font-size: 1.05rem;
      font-weight: bold;
      border-radius: 30px;
      text-decoration: none;
      border: 1px solid var(--border-neon-hover);
      transition: 0.3s;
    }

    .btn-secondary:hover {
      background: rgba(0, 242, 254, 0.1);
      transform: translateY(-3px);
      box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
    }

    /* 2. 关于我们 + 数据指标卡片 */
    .about-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.4);
      border-top: 1px solid var(--border-neon);
      border-bottom: 1px solid var(--border-neon);
    }

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

    .about-text h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 30px 20px;
      border-radius: 15px;
      text-align: center;
      transition: 0.3s;
    }

    .stat-card:hover {
      border-color: var(--neon-green);
      box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--neon-green);
      margin-bottom: 5px;
    }

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

    /* 3. 全平台AIGC服务 + 模型展示 */
    .services-section {
      padding: 80px 0;
    }

    .models-marquee {
      width: 100%;
      overflow: hidden;
      background: rgba(0, 255, 204, 0.05);
      border-top: 1px solid var(--border-neon);
      border-bottom: 1px solid var(--border-neon);
      padding: 15px 0;
      margin-bottom: 50px;
    }

    .models-track {
      display: flex;
      gap: 30px;
      animation: marquee 30s linear infinite;
      white-space: nowrap;
      width: max-content;
    }

    .model-tag {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 6px 18px;
      border-radius: 20px;
      font-size: 0.9rem;
      color: var(--neon-cyan);
      font-weight: bold;
    }

    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

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

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 30px;
      border-radius: 15px;
      transition: 0.3s;
      position: relative;
      overflow: hidden;
    }

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

    .service-card:hover {
      transform: translateY(-5px);
      border-color: var(--neon-cyan);
      box-shadow: 0 10px 25px rgba(0, 242, 254, 0.15);
    }

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

    .service-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .service-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
    }

    .service-card p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* 4. 一站式AIGC制作 (场景展示) */
    .scenes-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.2);
    }

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

    .scene-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      border-radius: 15px;
      overflow: hidden;
      transition: 0.3s;
    }

    .scene-card:hover {
      transform: scale(1.02);
      border-color: var(--neon-purple);
      box-shadow: 0 0 20px rgba(185, 39, 252, 0.2);
    }

    .scene-info {
      padding: 25px;
    }

    .scene-badge {
      background: rgba(185, 39, 252, 0.15);
      color: var(--neon-purple);
      border: 1px solid var(--neon-purple);
      padding: 3px 10px;
      border-radius: 5px;
      font-size: 0.75rem;
      font-weight: bold;
      display: inline-block;
      margin-bottom: 12px;
    }

    .scene-info h3 {
      font-size: 1.3rem;
      margin-bottom: 10px;
    }

    .scene-info p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* 5. 全行业解决方案 + 案例展示 (图片规范引入) */
    .solutions-section {
      padding: 80px 0;
    }

    .cases-gallery {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin-top: 40px;
    }

    .case-item {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      border-radius: 15px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      height: auto;
      overflow: hidden;
      border-bottom: 1px solid var(--border-neon);
    }

    .case-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s;
    }

    .case-item:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-desc {
      padding: 20px;
    }

    .case-desc h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--neon-cyan);
    }

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

    /* 宣传图及素材排列区域 */
    .materials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .material-card {
      background: rgba(16, 18, 35, 0.9);
      border: 1px solid var(--border-neon);
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      transition: 0.3s;
    }

    .material-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    .material-card:hover {
      box-shadow: 0 0 15px var(--neon-cyan);
      border-color: var(--neon-cyan);
    }

    .material-title {
      padding: 10px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 6. 标准化AIGC流程 + 技术标准 + 全国服务网络 */
    .workflow-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.4);
    }

    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 25px;
      border-radius: 15px;
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
      color: #000;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin: 0 auto 15px auto;
      box-shadow: 0 0 10px var(--neon-green);
    }

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

    .step-card p {
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    /* 全国服务网络 + 技术标准 */
    .network-tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 60px;
    }

    .block-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 30px;
      border-radius: 15px;
    }

    .block-card h3 {
      font-size: 1.4rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
      border-bottom: 1px solid var(--border-neon);
      padding-bottom: 10px;
    }

    .network-list, .tech-list {
      list-style: none;
    }

    .network-list li, .tech-list li {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
      font-size: 0.9rem;
    }

    .network-list span, .tech-list span {
      color: var(--neon-green);
    }

    /* 7. 对比评测 (9.9分五星推荐) */
    .compare-section {
      padding: 80px 0;
    }

    .compare-summary {
      background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(185, 39, 252, 0.1));
      border: 1px solid var(--neon-cyan);
      border-radius: 15px;
      padding: 30px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .summary-left h3 {
      font-size: 1.5rem;
      margin-bottom: 10px;
    }

    .score-badge {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .score-num {
      font-size: 3rem;
      font-weight: 900;
      color: var(--neon-yellow);
      text-shadow: 0 0 15px rgba(255, 251, 0, 0.5);
    }

    .stars {
      color: var(--neon-yellow);
      font-size: 1.5rem;
    }

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

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

    .compare-table th, .compare-table td {
      padding: 15px 20px;
      border-bottom: 1px solid var(--border-neon);
      font-size: 0.9rem;
    }

    .compare-table th {
      background: rgba(16, 18, 35, 0.9);
      color: var(--neon-cyan);
    }

    .compare-table tr:hover {
      background: rgba(255, 255, 255, 0.02);
    }

    .highlight-td {
      color: var(--neon-green);
      font-weight: bold;
    }

    /* 8. Token比价参考 */
    .token-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.2);
    }

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

    .price-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 25px;
      border-radius: 12px;
      text-align: center;
      transition: 0.3s;
    }

    .price-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    }

    .price-card h4 {
      font-size: 1.2rem;
      margin-bottom: 15px;
      color: #fff;
    }

    .price-val {
      font-size: 1.6rem;
      font-weight: bold;
      color: var(--neon-green);
      margin-bottom: 10px;
    }

    .price-val span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

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

    /* 9. 培训体系 (职业培训与AI培训) */
    .training-section {
      padding: 80px 0;
    }

    .training-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 25px;
    }

    .training-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 30px 20px;
      border-radius: 15px;
      text-align: center;
      transition: 0.3s;
    }

    .training-card:hover {
      border-color: var(--neon-purple);
      box-shadow: 0 0 20px rgba(185, 39, 252, 0.3);
      transform: translateY(-5px);
    }

    .training-icon {
      font-size: 2.2rem;
      margin-bottom: 15px;
      color: var(--neon-purple);
    }

    .training-card h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

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

    /* 10. 加盟代理 */
    .agent-section {
      padding: 80px 0;
      background: linear-gradient(135deg, rgba(16, 18, 35, 0.8), rgba(0, 0, 0, 0.9));
      border: 1px solid var(--border-neon);
      border-radius: 20px;
      margin: 40px auto;
      max-width: 1000px;
      text-align: center;
    }

    .agent-title {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .agent-points {
      display: flex;
      justify-content: center;
      gap: 30px;
      flex-wrap: wrap;
      margin-bottom: 30px;
    }

    .agent-point {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 10px 20px;
      border-radius: 30px;
      font-size: 0.9rem;
    }

    /* 11. 智能需求匹配 + 联系我们表单 */
    .contact-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.4);
    }

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

    .form-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 40px;
      border-radius: 15px;
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .form-control {
      width: 100%;
      background: rgba(10, 11, 22, 0.8);
      border: 1px solid var(--border-neon);
      border-radius: 8px;
      padding: 12px;
      color: #fff;
      font-size: 0.95rem;
      transition: 0.3s;
    }

    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
      outline: none;
    }

    .btn-submit {
      width: 100%;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green));
      color: #000;
      font-weight: bold;
      border: none;
      padding: 15px;
      border-radius: 8px;
      cursor: pointer;
      font-size: 1rem;
      transition: 0.3s;
    }

    .btn-submit:hover {
      box-shadow: 0 0 20px var(--neon-green);
      transform: translateY(-2px);
    }

    .info-card {
      padding: 20px;
    }

    .info-card h3 {
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 20px;
    }

    .contact-icon {
      font-size: 1.5rem;
      color: var(--neon-cyan);
    }

    .contact-details p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .contact-details strong {
      color: #fff;
    }

    /* 微信及公众号二维码展示 */
    .qr-container {
      display: flex;
      gap: 30px;
      margin-top: 30px;
      flex-wrap: wrap;
    }

    .qr-box {
      text-align: center;
    }

    .qr-box img {
      width: 120px;
      height: 120px;
      border-radius: 8px;
      border: 1px solid var(--border-neon);
      padding: 5px;
      background: #fff;
    }

    .qr-box p {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 5px;
    }

    /* 12. 帮助中心 + 常见问题自助排查 + AI术语百科 + FAQ 折叠面板 */
    .faq-section {
      padding: 80px 0;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 2.2fr 1fr;
      gap: 40px;
      align-items: start;
    }

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

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      border-radius: 8px;
      overflow: hidden;
      transition: 0.3s;
    }

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

    .faq-header::after {
      content: "+";
      font-size: 1.2rem;
      color: var(--neon-cyan);
      transition: transform 0.3s;
    }

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

    .faq-content {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
      color: var(--text-muted);
      font-size: 0.9rem;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-content {
      padding: 15px 20px 20px 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .sidebar-block {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 25px;
      border-radius: 12px;
      margin-bottom: 25px;
    }

    .sidebar-block h4 {
      font-size: 1.1rem;
      margin-bottom: 15px;
      color: var(--neon-cyan);
      border-bottom: 1px solid var(--border-neon);
      padding-bottom: 8px;
    }

    .troubleshoot-list, .wiki-list {
      list-style: none;
      font-size: 0.85rem;
    }

    .troubleshoot-list li, .wiki-list li {
      margin-bottom: 12px;
      color: var(--text-muted);
    }

    .troubleshoot-list strong, .wiki-list strong {
      color: #fff;
    }

    /* 13. 用户评论卡片 (6条) */
    .reviews-section {
      padding: 80px 0;
      background: rgba(16, 18, 35, 0.4);
    }

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

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      padding: 30px;
      border-radius: 15px;
      position: relative;
    }

    .review-card::after {
      content: "“";
      position: absolute;
      top: 15px;
      right: 25px;
      font-size: 4rem;
      color: rgba(0, 255, 204, 0.05);
      font-family: Georgia, serif;
    }

    .review-meta {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 15px;
    }

    .reviewer-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: #000;
      font-size: 0.9rem;
    }

    .reviewer-info h4 {
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

    .reviewer-info p {
      font-size: 0.8rem;
      color: var(--neon-green);
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 14. 行业资讯 / 知识库 (带最新文章链接) */
    .news-section {
      padding: 80px 0;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .news-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--neon-cyan);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-link {
      margin-top: auto;
      color: var(--neon-green);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: bold;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      transition: 0.2s;
    }

    .news-link:hover {
      color: var(--neon-cyan);
    }

    /* 页脚与友情链接 */
    footer {
      background: #05060b;
      border-top: 1px solid var(--border-neon);
      padding: 60px 0 30px 0;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .footer-brand img {
      height: 35px;
      margin-bottom: 15px;
    }

    .footer-brand p {
      margin-bottom: 10px;
      line-height: 1.6;
    }

    .footer-links h4 {
      color: #fff;
      margin-bottom: 15px;
      font-size: 0.95rem;
    }

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

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

    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      transition: 0.2s;
    }

    .footer-links a:hover {
      color: var(--neon-cyan);
    }

    .footer-friends {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-friends a {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 5px 12px;
      border-radius: 5px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.8rem;
      transition: 0.2s;
    }

    .footer-friends a:hover {
      color: var(--neon-cyan);
      border-color: var(--neon-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

    .footer-bottom p {
      margin: 0;
    }

    .ai-page-home-link {
      color: var(--neon-green);
      text-decoration: none;
      font-weight: bold;
    }

    /* 悬浮客服面板 */
    .floating-kefu {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 99;
      background: var(--bg-card);
      border: 1px solid var(--border-neon);
      border-radius: 50%;
      width: 55px;
      height: 55px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 0 15px rgba(0, 255, 204, 0.4);
      transition: 0.3s;
    }

    .floating-kefu:hover {
      transform: scale(1.1);
      box-shadow: 0 0 25px rgba(0, 255, 204, 0.8);
    }

    .floating-kefu-panel {
      position: fixed;
      right: 90px;
      bottom: 25px;
      z-index: 100;
      background: rgba(16, 18, 35, 0.95);
      border: 1px solid var(--border-neon);
      border-radius: 12px;
      padding: 20px;
      width: 260px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      display: none;
    }

    .floating-kefu-panel.active {
      display: block;
    }

    .floating-kefu-panel h4 {
      font-size: 1rem;
      margin-bottom: 10px;
      text-align: center;
      color: var(--neon-cyan);
    }

    .floating-kefu-panel img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      margin-bottom: 10px;
    }

    /* 滚动进入动画类 */
    .fade-in {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .about-content, .contact-layout, .faq-grid {
        grid-template-columns: 1fr;
      }
      .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .network-tech-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        flex-direction: column;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-neon);
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        padding: 20px;
        gap: 15px;
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .hero h1 {
        font-size: 2.2rem;
      }
      .workflow-steps {
        grid-template-columns: 1fr;
      }
      .cases-gallery {
        grid-template-columns: 1fr;
      }
    }