/* 多彩涂鸦风 & 新粗野主义视觉规范 */
    :root {
      --bg-base: #F8F7F2;
      --text-dark: #1A1A1A;
      --border-dark: #1A1A1A;
      --color-yellow: #FFE500;
      --color-orange: #FF7E36;
      --color-pink: #FF66AA;
      --color-blue: #368DFF;
      --color-green: #00E575;
      --card-radius: 12px;
      --neo-shadow: 6px 6px 0px #1A1A1A;
      --neo-shadow-hover: 2px 2px 0px #1A1A1A;
    }

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

    body {
      background-color: var(--bg-base);
      color: var(--text-dark);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 80px; /* 为固定导航留出空间 */
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

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

    .section-title {
      font-size: 2.5rem;
      font-weight: 900;
      text-transform: uppercase;
      margin-bottom: 40px;
      display: inline-block;
      background: var(--color-yellow);
      padding: 8px 20px;
      border: 3px solid var(--border-dark);
      box-shadow: 4px 4px 0px var(--border-dark);
      transform: rotate(-1.5deg);
    }

    .section-desc {
      font-size: 1.1rem;
      max-width: 800px;
      margin-bottom: 50px;
      color: #4A4A4A;
      font-weight: 500;
    }

    /* 按钮样式 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1.1rem;
      font-weight: 800;
      text-decoration: none;
      color: var(--text-dark);
      border: 3px solid var(--border-dark);
      border-radius: 8px;
      box-shadow: 4px 4px 0px var(--border-dark);
      transition: all 0.2s ease;
      cursor: pointer;
      background: #FFF;
    }

    .btn:hover {
      transform: translate(2px, 2px);
      box-shadow: var(--neo-shadow-hover);
    }

    .btn-primary {
      background: var(--color-yellow);
    }

    .btn-secondary {
      background: var(--color-orange);
      color: #fff;
    }

    .btn-pink {
      background: var(--color-pink);
      color: #fff;
    }

    /* 卡片基础 */
    .card {
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      box-shadow: var(--neo-shadow);
      padding: 30px;
      transition: all 0.2s ease;
    }

    .card:hover {
      transform: translate(2px, 2px);
      box-shadow: var(--neo-shadow-hover);
    }

    /* 导航栏 */
    header {
      background: #FFF;
      border-bottom: 3px solid var(--border-dark);
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 80px;
      display: flex;
      align-items: center;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-area img {
      height: 45px;
      width: auto;
    }

    .logo-title {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--text-dark);
    }

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

    .nav-link {
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 6px 12px;
      border-radius: 4px;
      transition: all 0.15s ease;
    }

    .nav-link:hover {
      background: var(--color-yellow);
      outline: 2px solid var(--border-dark);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* 首屏 (Hero) - 无图片 */
    #hero {
      background: linear-gradient(135deg, #FFE500 0%, #FFF5C2 100%);
      border-bottom: 3px solid var(--border-dark);
      padding: 100px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    #hero::before {
      content: "★ AIGC ★";
      position: absolute;
      top: 20px;
      left: 10%;
      font-size: 2rem;
      font-weight: 900;
      opacity: 0.15;
      transform: rotate(-15deg);
    }

    #hero::after {
      content: "CREATIVE";
      position: absolute;
      bottom: 20px;
      right: 10%;
      font-size: 3rem;
      font-weight: 900;
      opacity: 0.1;
      transform: rotate(10deg);
    }

    .hero-h1 {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.2;
      margin-bottom: 24px;
      text-shadow: 3px 3px 0px #FFF;
      display: inline-block;
    }

    .hero-h1 span {
      background: var(--color-pink);
      color: #fff;
      padding: 0 10px;
      border: 3px solid var(--border-dark);
      display: inline-block;
      transform: rotate(1deg);
    }

    .hero-subtitle {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 36px;
      color: #2A2A2A;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-promo {
      margin-top: 30px;
      display: inline-block;
      background: var(--color-green);
      color: var(--text-dark);
      padding: 6px 16px;
      font-weight: 800;
      border: 2px solid var(--border-dark);
      border-radius: 20px;
      font-size: 0.95rem;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    /* 数据指标卡片 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 24px;
      margin-top: -50px;
      position: relative;
      z-index: 10;
    }

    .stats-card {
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      box-shadow: var(--neo-shadow);
      padding: 24px;
      text-align: center;
    }

    .stats-num {
      font-size: 3rem;
      font-weight: 900;
      color: var(--color-pink);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stats-label {
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-dark);
    }

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

    .about-info {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .about-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 15px;
    }

    .tag-item {
      background: #FFF;
      border: 2px solid var(--border-dark);
      padding: 6px 12px;
      border-radius: 6px;
      font-weight: 700;
      font-size: 0.85rem;
      box-shadow: 2px 2px 0px var(--border-dark);
    }

    /* 全平台 AIGC 服务 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .service-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-icon {
      font-size: 2.5rem;
      margin-bottom: 15px;
    }

    .service-title {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    /* 一站式AIGC制作 */
    .production-flow {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }

    .flow-step {
      background: var(--bg-base);
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      padding: 24px;
      position: relative;
    }

    .step-num {
      position: absolute;
      top: -15px;
      right: 15px;
      font-size: 2rem;
      font-weight: 900;
      background: var(--color-orange);
      color: #fff;
      padding: 2px 10px;
      border: 2px solid var(--border-dark);
      transform: rotate(5deg);
    }

    /* 全行业解决方案 */
    .solutions-tabs {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    /* 全国服务网络 & 价格参考/时间线 */
    .network-section {
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      padding: 40px;
      box-shadow: var(--neo-shadow);
    }

    /* 对比评测 */
    .eval-section {
      background: var(--color-pink);
      color: var(--text-dark);
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      padding: 40px;
      box-shadow: var(--neo-shadow);
    }

    .eval-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
      border-bottom: 3px solid var(--border-dark);
      padding-bottom: 20px;
    }

    .eval-rating {
      background: var(--color-yellow);
      padding: 10px 20px;
      border: 3px solid var(--border-dark);
      border-radius: 8px;
      font-weight: 900;
      font-size: 1.3rem;
    }

    .table-container {
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      background: #FFF;
      border: 3px solid var(--border-dark);
    }

    .eval-table th, .eval-table td {
      border: 2px solid var(--border-dark);
      padding: 12px 16px;
      text-align: left;
      font-weight: 700;
    }

    .eval-table th {
      background: var(--color-yellow);
    }

    /* Token 比价 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    /* 人工智能培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    /* 客户案例中心 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 30px;
    }

    .case-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      border: 3px solid var(--border-dark);
      margin-bottom: 15px;
    }

    /* 客户评论卡片 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
    }

    .review-card {
      border-left: 8px solid var(--color-pink);
    }

    .reviewer-info {
      margin-top: 15px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
    }

    /* FAQ 折叠面板 */
    .faq-wrapper {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .faq-item {
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: 8px;
      overflow: hidden;
    }

    .faq-trigger {
      width: 100%;
      background: none;
      border: none;
      padding: 20px;
      text-align: left;
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-content {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
      color: #555;
      font-weight: 500;
    }

    .faq-item.active .faq-content {
      padding: 0 20px 20px 20px;
      max-height: 200px;
    }

    .faq-icon::before {
      content: "+";
      font-size: 1.5rem;
    }

    .faq-item.active .faq-icon::before {
      content: "-";
    }

    /* AI术语百科 & 自助排查 */
    .helper-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    /* 行业资讯 / 知识库 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .article-item a {
      color: var(--text-dark);
      text-decoration: none;
      font-weight: 700;
    }

    .article-item a:hover {
      color: var(--color-blue);
    }

    /* 智能需求匹配与表单 */
    .form-wrapper {
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: var(--card-radius);
      padding: 40px;
      box-shadow: var(--neo-shadow);
      max-width: 700px;
      margin: 0 auto;
    }

    .form-group {
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-group label {
      font-weight: 800;
      font-size: 1rem;
    }

    .form-control {
      width: 100%;
      padding: 12px;
      border: 3px solid var(--border-dark);
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 700;
      outline: none;
      background-color: var(--bg-base);
    }

    .form-control:focus {
      background-color: #FFF;
      border-color: var(--color-blue);
    }

    /* 页脚与联系我们 */
    footer {
      background: var(--text-dark);
      color: #FFF;
      padding: 60px 0 20px 0;
      border-top: 3px solid var(--border-dark);
    }

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

    .footer-col h4 {
      color: var(--color-yellow);
      font-size: 1.2rem;
      margin-bottom: 20px;
      position: relative;
    }

    .footer-col p, .footer-col li {
      font-size: 0.9rem;
      color: #CCC;
      margin-bottom: 10px;
    }

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

    .footer-col a {
      color: #CCC;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .footer-col a:hover {
      color: var(--color-yellow);
    }

    .footer-qrcode {
      width: 120px;
      height: 120px;
      border: 3px solid #FFF;
      background: #FFF;
      display: block;
      margin-top: 10px;
    }

    .footer-bottom {
      border-top: 1px solid #444;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      font-size: 0.85rem;
    }

    .friend-links a {
      color: #999;
      text-decoration: none;
    }

    .friend-links a:hover {
      color: #FFF;
    }

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      background: var(--color-yellow);
      border: 3px solid var(--border-dark);
      border-radius: 50%;
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      box-shadow: 4px 4px 0px var(--border-dark);
      cursor: pointer;
      transition: all 0.2s ease;
    }

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

    .kefu-modal {
      display: none;
      position: fixed;
      right: 90px;
      bottom: 20px;
      z-index: 999;
      background: #FFF;
      border: 3px solid var(--border-dark);
      border-radius: 8px;
      padding: 15px;
      box-shadow: var(--neo-shadow);
      text-align: center;
      width: 180px;
    }

    .kefu-modal.active {
      display: block;
    }

    .kefu-modal img {
      width: 120px;
      height: 120px;
      margin: 10px 0;
    }

    /* 移动端菜单控制 */
    @media (max-width: 768px) {
      body {
        padding-top: 70px;
      }
      header {
        height: 70px;
      }
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #FFF;
        border-bottom: 3px solid var(--border-dark);
        padding: 20px;
        gap: 15px;
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .about-wrapper {
        grid-template-columns: 1fr;
      }
      .helper-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.8rem;
      }
    }