/* 多彩涂鸦风格 - 引入新野兽派/潮酷涂鸦视觉设计 */
    :root {
      --primary: #FFDE4D;
      --secondary: #FF4E88;
      --accent: #39B5E0;
      --success: #6BCB77;
      --dark: #1E1E1E;
      --light: #FFFDF6;
      --white: #FFFFFF;
      --border-width: 3px;
      --border: var(--border-width) solid var(--dark);
      --shadow: 6px 6px 0px var(--dark);
      --shadow-hover: 2px 2px 0px var(--dark);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

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

    /* 容器规范 */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
    }

    /* 涂鸦风公共元素 */
    .doodle-card {
      background-color: var(--white);
      border: var(--border);
      box-shadow: var(--shadow);
      border-radius: 12px;
      padding: 30px;
      transition: all 0.2s ease;
      position: relative;
      overflow: hidden;
    }

    .doodle-card:hover {
      transform: translate(4px, 4px);
      box-shadow: var(--shadow-hover);
    }

    .doodle-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      background-color: var(--primary);
      color: var(--dark);
      font-weight: 800;
      text-decoration: none;
      border: var(--border);
      border-radius: 8px;
      box-shadow: 4px 4px 0px var(--dark);
      cursor: pointer;
      transition: all 0.15s ease;
      font-size: 16px;
    }

    .doodle-btn:hover {
      transform: translate(2px, 2px);
      box-shadow: 2px 2px 0px var(--dark);
    }

    .doodle-btn.secondary {
      background-color: var(--secondary);
      color: var(--white);
    }

    .doodle-btn.accent {
      background-color: var(--accent);
      color: var(--dark);
    }

    .section-title {
      font-size: 2.2rem;
      text-align: center;
      margin-bottom: 45px;
      position: relative;
      display: inline-block;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--primary);
      padding: 10px 25px;
      border: var(--border);
      box-shadow: 4px 4px 0px var(--dark);
      transform-origin: center;
      transform: rotate(-1.5deg) translateX(-50%);
      margin-top: 20px;
    }

    .section-tag {
      font-size: 0.9rem;
      font-weight: bold;
      color: var(--dark);
      text-transform: uppercase;
      background-color: var(--accent);
      padding: 4px 12px;
      border-radius: 20px;
      border: 2px solid var(--dark);
      display: inline-block;
      margin-bottom: 12px;
    }

    /* 顶部导航 */
    header {
      background-color: var(--white);
      border-bottom: var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

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

    .ai-page-logo {
      height: 45px;
      width: auto;
      margin-right: 12px;
    }

    .brand-name {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--dark);
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-link {
      color: var(--dark);
      text-decoration: none;
      font-weight: bold;
      padding: 8px 12px;
      border-radius: 6px;
      transition: background 0.2s;
    }

    .nav-link:hover {
      background-color: var(--primary);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      cursor: pointer;
    }

    /* 首屏 - Hero 区 (无图片，纯视觉排版) */
    .hero-section {
      padding: 100px 0;
      background: radial-gradient(circle at 10% 20%, rgb(255, 252, 234) 0%, rgb(255, 237, 243) 90%);
      border-bottom: var(--border);
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: "CREATIVE AIGC";
      position: absolute;
      font-size: 8rem;
      font-weight: 900;
      color: rgba(0,0,0,0.03);
      top: -20px;
      left: -10px;
      pointer-events: none;
      z-index: 1;
    }

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

    .hero-badge {
      display: inline-block;
      background-color: var(--secondary);
      color: var(--white);
      font-weight: bold;
      padding: 8px 16px;
      border-radius: 4px;
      border: 2px solid var(--dark);
      transform: rotate(-2deg);
      margin-bottom: 25px;
    }

    .hero-title {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 25px;
      color: var(--dark);
    }

    .hero-title span {
      background: linear-gradient(120deg, var(--secondary) 0%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      padding: 0 5px;
    }

    .hero-desc {
      font-size: 1.3rem;
      color: #555;
      margin-bottom: 40px;
    }

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

    /* 数据指标 */
    .stats-section {
      padding: 50px 0;
      background-color: var(--white);
      border-bottom: var(--border);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }

    .stat-item {
      text-align: center;
      padding: 20px;
      border-right: 3px dashed var(--dark);
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-val {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--secondary);
      margin-bottom: 5px;
    }

    .stat-lbl {
      font-size: 1.1rem;
      font-weight: bold;
      color: #666;
    }

    /* 通用区块间距 */
    .section-padding {
      padding: 80px 0;
      border-bottom: var(--border);
    }

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

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

    .service-card h3 {
      font-size: 1.4rem;
      margin-bottom: 12px;
      color: var(--dark);
    }

    /* 工作流步骤 */
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
      margin-top: 40px;
    }

    .step-card {
      position: relative;
    }

    .step-num {
      position: absolute;
      top: -15px;
      right: -15px;
      background-color: var(--secondary);
      color: var(--white);
      font-size: 1.5rem;
      font-weight: 900;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px solid var(--dark);
    }

    /* 解决方案 */
    .solution-tabs {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 40px;
    }

    /* 全国服务网络 + 标准化全流程 */
    .split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .timeline {
      border-left: 4px solid var(--dark);
      padding-left: 20px;
      margin-left: 10px;
    }

    .timeline-item {
      position: relative;
      margin-bottom: 25px;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -28px;
      top: 5px;
      width: 12px;
      height: 12px;
      background-color: var(--accent);
      border: 3px solid var(--dark);
      border-radius: 50%;
    }

    /* 案例展示 - 允许使用图片 */
    .case-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-top: 30px;
    }

    .case-item {
      border: var(--border);
      border-radius: 12px;
      overflow: hidden;
      background-color: var(--white);
      box-shadow: var(--shadow);
    }

    .case-img-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      border-bottom: var(--border);
      background-color: #eee;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-info {
      padding: 20px;
    }

    /* 对比评测表格 */
    .table-responsive {
      overflow-x: auto;
      margin-top: 40px;
      border: var(--border);
      border-radius: 12px;
      box-shadow: var(--shadow);
    }

    table {
      width: 100%;
      border-collapse: collapse;
      background-color: var(--white);
      text-align: left;
    }

    th, td {
      padding: 16px 20px;
      border: 1px solid #ddd;
    }

    th {
      background-color: var(--primary);
      color: var(--dark);
      font-weight: 800;
    }

    tr:nth-child(even) {
      background-color: #FFFDF0;
    }

    .highlight-cell {
      background-color: rgba(255, 78, 136, 0.1);
      font-weight: bold;
    }

    /* Token比价与匹配 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .token-card {
      text-align: center;
      background-color: var(--white);
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--secondary);
      margin: 10px 0;
    }

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

    .training-list {
      list-style: none;
      margin-top: 15px;
    }

    .training-list li {
      padding: 10px 0;
      border-bottom: 1px dashed #ccc;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .training-list li::before {
      content: "✓";
      color: var(--success);
      font-weight: bold;
    }

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

    .review-card {
      background-color: var(--white);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-style: italic;
      margin-bottom: 20px;
    }

    .review-author {
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .review-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      border: 2px solid var(--dark);
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 40px auto 0;
    }

    .faq-item {
      margin-bottom: 15px;
      border: var(--border);
      border-radius: 8px;
      background-color: var(--white);
      box-shadow: 4px 4px 0px var(--dark);
      overflow: hidden;
    }

    .faq-header {
      padding: 20px;
      font-weight: bold;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #fff;
      transition: background 0.2s;
    }

    .faq-header:hover {
      background-color: #FFFDF0;
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.2s;
    }

    .faq-body {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease-out;
      border-top: 0px solid var(--dark);
    }

    .faq-item.active .faq-body {
      padding: 20px;
      max-height: 500px;
      border-top: var(--border);
    }

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

    /* 资讯列表 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 25px;
      margin-top: 40px;
    }

    .article-item {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item h4 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    /* 联系与表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

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

    .form-group label {
      display: block;
      font-weight: bold;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px;
      border: var(--border);
      border-radius: 6px;
      font-size: 1rem;
      background-color: var(--white);
    }

    .form-control:focus {
      outline: none;
      background-color: #FFFDF0;
    }

    .qr-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 20px;
      background-color: #FFFDF0;
      border: 2px dashed var(--dark);
      border-radius: 8px;
    }

    .qr-box img {
      width: 150px;
      height: 150px;
      margin-bottom: 10px;
      border: var(--border);
    }

    /* 友情链接与页脚 */
    footer {
      background-color: var(--dark);
      color: var(--white);
      padding: 60px 0 20px;
      border-top: var(--border);
    }

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

    .footer-logo {
      display: flex;
      align-items: center;
      margin-bottom: 20px;
    }

    .footer-logo .brand-name {
      color: var(--white);
    }

    .footer-links h5 {
      color: var(--primary);
      font-size: 1.1rem;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

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

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

    .footer-links ul li a {
      color: #ccc;
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links ul li a:hover {
      color: var(--primary);
    }

    .friendship-links {
      border-top: 1px solid #444;
      padding-top: 20px;
      margin-top: 20px;
    }

    .friendship-links a {
      color: #999;
      text-decoration: none;
      margin-right: 15px;
      font-size: 0.9rem;
      display: inline-block;
    }

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

    .footer-bottom {
      border-top: 1px solid #444;
      padding-top: 20px;
      text-align: center;
      font-size: 0.9rem;
      color: #888;
    }

    /* 浮动客服 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background-color: var(--primary);
      border: var(--border);
      border-radius: 50%;
      box-shadow: 2px 2px 0px var(--dark);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.5rem;
      position: relative;
    }

    .float-btn:hover {
      transform: translate(1px, 1px);
      box-shadow: 1px 1px 0px var(--dark);
    }

    .float-btn .tooltip {
      position: absolute;
      right: 60px;
      background-color: var(--dark);
      color: var(--white);
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 0.8rem;
      white-space: nowrap;
      visibility: hidden;
      opacity: 0;
      transition: opacity 0.2s;
    }

    .float-btn:hover .tooltip {
      visibility: visible;
      opacity: 1;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .solution-tabs {
        grid-template-columns: 1fr;
      }
      .split-grid {
        grid-template-columns: 1fr;
      }
      .case-gallery {
        grid-template-columns: 1fr 1fr;
      }
      .training-grid {
        grid-template-columns: 1fr;
      }
      .review-grid {
        grid-template-columns: 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.4rem;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white);
        border-bottom: var(--border);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .stat-item {
        border-right: none;
        border-bottom: 2px dashed var(--dark);
      }
      .stat-item:last-child {
        border-bottom: none;
      }
      .workflow-steps {
        grid-template-columns: 1fr;
      }
      .case-gallery {
        grid-template-columns: 1fr;
      }
      .article-list {
        grid-template-columns: 1fr;
      }
    }