/* 基础重置与暗夜赛博风格变量 */
    :root {
      --bg-dark: #0a0612;
      --bg-card: #150d27;
      --bg-card-hover: #1e1338;
      --primary-pink: #ff2a85;
      --primary-purple: #9d4edd;
      --accent-cyan: #00f5d4;
      --text-bright: #ffffff;
      --text-muted: #b8b0cf;
      --text-dim: #7f749c;
      --border-glow: rgba(255, 42, 133, 0.3);
      --gradient-main: linear-gradient(135deg, #ff2a85 0%, #7b2cbf 100%);
      --gradient-cyan: linear-gradient(135deg, #00f5d4 0%, #7b2cbf 100%);
      --box-shadow-pink: 0 8px 32px rgba(255, 42, 133, 0.25);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-bright);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background: radial-gradient(circle at 50% 0%, #200b3b 0%, #0a0612 70%);
      min-height: 100vh;
    }

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

    a:hover {
      color: var(--primary-pink);
    }

    /* 统一容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    section {
      padding: 80px 0;
      position: relative;
      border-bottom: 1px solid rgba(157, 78, 221, 0.1);
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 16px;
      background: rgba(255, 42, 133, 0.15);
      border: 1px solid var(--primary-pink);
      border-radius: 20px;
      color: var(--primary-pink);
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      background: linear-gradient(90deg, #ffffff, #e0d6f6);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .section-desc {
      color: var(--text-muted);
      margin-top: 10px;
      font-size: 16px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* 顶部导航 */
    .header-nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(10, 6, 18, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 42, 133, 0.2);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 75px;
    }

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

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 严格按照要求设置为0 */
      list-style: none;
    }

    .nav-links li a {
      padding: 8px 12px;
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 500;
      display: inline-block;
    }

    .nav-links li a:hover, .nav-links li a.active {
      color: var(--primary-pink);
      text-shadow: 0 0 8px rgba(255, 42, 133, 0.6);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: 30px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      border: none;
    }

    .btn-primary {
      background: var(--gradient-main);
      color: #fff;
      box-shadow: var(--box-shadow-pink);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 40px rgba(255, 42, 133, 0.4);
      color: #fff;
    }

    .btn-outline {
      background: transparent;
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
    }

    .btn-outline:hover {
      background: rgba(0, 245, 212, 0.1);
      color: var(--accent-cyan);
      box-shadow: 0 0 15px rgba(0, 245, 212, 0.3);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    /* 1. 首页 Hero 首屏 (严格无任何图片资源) */
    .hero-section {
      padding-top: 160px;
      padding-bottom: 100px;
      text-align: center;
      background: radial-gradient(circle at 50% 30%, rgba(255, 42, 133, 0.15) 0%, rgba(10, 6, 18, 0) 70%);
    }

    .hero-h1 {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #ffffff 0%, #ff7bb0 50%, #9d4edd 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 35px auto;
    }

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

    .hero-btn-main {
      padding: 14px 36px;
      font-size: 18px;
      background: linear-gradient(90deg, #ff2a85, #9d4edd);
      color: #fff;
      border-radius: 50px;
      font-weight: bold;
      box-shadow: 0 0 25px rgba(255, 42, 133, 0.5);
    }

    .hero-btn-main:hover {
      box-shadow: 0 0 35px rgba(255, 42, 133, 0.8);
      transform: scale(1.03);
      color: #fff;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

    .tag-badge {
      background: rgba(21, 13, 39, 0.8);
      border: 1px solid rgba(157, 78, 221, 0.3);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      color: var(--accent-cyan);
    }

    /* 2. 数据指标卡片 (数据统计) */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 42, 133, 0.2);
      border-radius: 16px;
      padding: 30px 20px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary-pink);
      box-shadow: var(--box-shadow-pink);
    }

    .stat-num {
      font-size: 36px;
      font-weight: 800;
      color: var(--accent-cyan);
      margin-bottom: 5px;
    }

    .stat-label {
      color: var(--text-muted);
      font-size: 14px;
    }

    /* 3. 关于我们 & 平台介绍 */
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 15px;
    }

    .feature-list {
      list-style: none;
      margin-top: 20px;
    }

    .feature-list li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 12px;
      color: var(--text-bright);
    }

    .feature-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--accent-cyan);
      font-weight: bold;
    }

    .banner-img-group {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .ai-page-image {
      border-radius: 12px;
      border: 1px solid rgba(255, 42, 133, 0.3);
      box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }

    /* 4. AIGC服务 & 5. 一站式制作 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid rgba(157, 78, 221, 0.2);
      border-radius: 16px;
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--gradient-main);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .service-card:hover {
      background: var(--bg-card-hover);
      transform: translateY(-5px);
      border-color: var(--primary-pink);
    }

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

    .service-icon {
      font-size: 32px;
      margin-bottom: 15px;
      display: inline-block;
      color: var(--primary-pink);
    }

    .service-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-bright);
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 6. 行业方案 & 矩阵卡片 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .matrix-card {
      background: rgba(21, 13, 39, 0.6);
      border: 1px solid rgba(255, 42, 133, 0.15);
      border-radius: 12px;
      padding: 20px;
    }

    .matrix-card h4 {
      color: var(--accent-cyan);
      font-size: 16px;
      margin-bottom: 8px;
    }

    .matrix-card p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 7. 服务网络与时间线 */
    .timeline {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }

    .timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--primary-pink);
      transform: translateX(-50%);
    }

    .timeline-item {
      padding: 20px 40px;
      position: relative;
      width: 50%;
    }

    .timeline-item.left { left: 0; text-align: right; }
    .timeline-item.right { left: 50%; text-align: left; }

    .timeline-content {
      padding: 20px;
      background: var(--bg-card);
      border-radius: 12px;
      border: 1px solid rgba(157, 78, 221, 0.3);
    }

    /* 8. 标准流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-box {
      text-align: center;
      padding: 25px 15px;
      background: var(--bg-card);
      border-radius: 12px;
      border: 1px solid rgba(0, 245, 212, 0.2);
    }

    .step-num {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      margin: 0 auto 15px auto;
    }

    /* 9. 对比评测板块 (5星, 9.9分) */
    .eval-box {
      background: var(--bg-card);
      border: 2px solid var(--primary-pink);
      border-radius: 20px;
      padding: 40px;
      box-shadow: 0 0 30px rgba(255, 42, 133, 0.2);
    }

    .eval-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      border-bottom: 1px solid rgba(255, 42, 133, 0.2);
      padding-bottom: 20px;
      flex-wrap: wrap;
      gap: 15px;
    }

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

    .stars {
      color: #ffca28;
      font-size: 24px;
    }

    .score-big {
      font-size: 38px;
      font-weight: 900;
      color: var(--accent-cyan);
    }

    .score-max {
      font-size: 16px;
      color: var(--text-dim);
    }

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

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

    .compare-table th, .compare-table td {
      padding: 16px;
      border-bottom: 1px solid rgba(157, 78, 221, 0.15);
    }

    .compare-table th {
      color: var(--accent-cyan);
      font-size: 16px;
    }

    .compare-table tr:hover {
      background: rgba(255, 42, 133, 0.05);
    }

    .highlight-cell {
      color: var(--primary-pink);
      font-weight: bold;
    }

    /* 10. Token比价与参考 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: var(--bg-card);
      border: 1px solid rgba(0, 245, 212, 0.3);
      border-radius: 12px;
      padding: 24px;
    }

    .token-model-name {
      font-size: 18px;
      font-weight: bold;
      color: #fff;
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }

    .price-tag {
      color: var(--accent-cyan);
      font-size: 14px;
    }

    /* 11. 需求匹配 */
    .match-container {
      background: linear-gradient(135deg, rgba(30, 19, 56, 0.8), rgba(21, 13, 39, 0.9));
      border-radius: 16px;
      padding: 40px;
      border: 1px solid var(--border-glow);
    }

    /* 12. 客户评论卡片 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid rgba(157, 78, 221, 0.2);
      border-radius: 14px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 15px;
      font-style: italic;
    }

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

    .avatar-fake {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--gradient-main);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      color: #fff;
    }

    .user-info h5 {
      font-size: 15px;
      color: var(--text-bright);
    }

    .user-info span {
      font-size: 12px;
      color: var(--accent-cyan);
    }

    /* 13. 案例中心 & 图片展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .case-card {
      background: var(--bg-card);
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid rgba(255, 42, 133, 0.2);
    }

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 16px;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 14. FAQ 折叠面板 (不少于10条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid rgba(157, 78, 221, 0.2);
      border-radius: 10px;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-header {
      padding: 20px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-bright);
    }

    .faq-header:hover {
      color: var(--primary-pink);
    }

    .faq-content {
      padding: 0 20px 20px 20px;
      font-size: 14px;
      color: var(--text-muted);
      display: none;
      border-top: 1px solid rgba(255, 42, 133, 0.1);
      padding-top: 15px;
    }

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

    .faq-toggle {
      color: var(--accent-cyan);
      font-size: 20px;
      transition: transform 0.3s ease;
    }

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

    /* 15. AI百科 & 16. 行业资讯 */
    .articles-list-box {
      background: var(--bg-card);
      border-radius: 14px;
      padding: 30px;
      border: 1px solid rgba(0, 245, 212, 0.2);
    }

    .article-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 15px;
    }

    .article-item {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 42, 133, 0.2);
    }

    /* 17. 加盟代理 & 表单 & 联系我们 */
    .contact-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-form {
      background: var(--bg-card);
      padding: 35px;
      border-radius: 16px;
      border: 1px solid var(--primary-pink);
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      margin-bottom: 8px;
      color: var(--text-bright);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: #0a0612;
      border: 1px solid rgba(157, 78, 221, 0.4);
      border-radius: 8px;
      color: #fff;
      font-size: 14px;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-pink);
      box-shadow: 0 0 10px rgba(255, 42, 133, 0.3);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .qr-box {
      text-align: center;
      padding: 20px;
      background: var(--bg-card);
      border-radius: 12px;
      border: 1px solid rgba(0, 245, 212, 0.3);
    }

    .qr-box img {
      max-width: 160px;
      border-radius: 8px;
      margin-bottom: 10px;
    }

    /* 18. 页脚 & 友情链接 */
    .footer {
      background: #050309;
      color: var(--text-muted);
      padding: 60px 0 30px 0;
      border-top: 1px solid rgba(255, 42, 133, 0.3);
    }

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

    .footer-col h4 {
      color: var(--text-bright);
      font-size: 16px;
      margin-bottom: 20px;
    }

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

    .friend-links a {
      color: var(--text-dim);
      font-size: 13px;
    }

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

    .footer-bottom {
      text-align: center;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 13px;
      color: var(--text-dim);
    }

    /* 浮动客服 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(255, 42, 133, 0.4);
      cursor: pointer;
      font-size: 20px;
      border: none;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 75px;
        left: 0;
        width: 100%;
        background: #0a0612;
        flex-direction: column;
        padding: 20px 0;
        border-bottom: 1px solid var(--primary-pink);
      }

      .nav-links.show {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .stats-grid, .services-grid, .matrix-grid, .process-steps, .token-grid, .reviews-grid, .cases-grid, .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .about-content, .contact-wrap {
        grid-template-columns: 1fr;
      }

      .timeline::before { left: 20px; }
      .timeline-item { width: 100%; padding-left: 50px; text-align: left !important; }
      .timeline-item.right { left: 0; }
    }

    @media (max-width: 600px) {
      .stats-grid, .services-grid, .matrix-grid, .process-steps, .token-grid, .reviews-grid, .cases-grid, .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-h1 { font-size: 28px; }
      .section-title { font-size: 24px; }
    }