/* 基础样式复位 */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #0f172a;
      background-color: #fafcfb;
    }
    body {
      overflow-x: hidden;
      line-height: 1.6;
    }

    /* 炫彩荧光风 - 浅色版全局变量 */
    :root {
      --primary: #00e676; /* 荧光绿 */
      --secondary: #00e5ff; /* 荧光蓝 */
      --dark-blue: #0a0f29; /* 深色用于文字和背景对比 */
      --light-bg: #f3f6f5;
      --card-bg: #ffffff;
      --border-color: #e2e8f0;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --glow-green: rgba(0, 230, 118, 0.15);
      --glow-blue: rgba(0, 229, 255, 0.15);
    }

    /* 统一页面容器 */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    /* 导航栏 */
    header {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }
    .ai-page-logo {
      height: 40px;
      width: auto;
    }
    .nav-links {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .nav-links a {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 500;
      font-size: 14px;
      transition: color 0.3s;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-btn {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: var(--dark-blue) !important;
      padding: 8px 16px;
      border-radius: 20px;
      font-weight: bold !important;
      box-shadow: 0 4px 10px var(--glow-green);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 5px;
    }
    .menu-toggle span {
      display: block;
      width: 25px;
      height: 3px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 首屏 (Hero) - 无图 */
    .hero-section {
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, var(--glow-blue) 0%, transparent 50%),
                  radial-gradient(circle at 20% 80%, var(--glow-green) 0%, transparent 50%);
      text-align: center;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-tag {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid var(--primary);
      border-radius: 30px;
      color: #00b050;
      font-weight: 600;
      font-size: 14px;
      margin-bottom: 20px;
      text-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
    }
    .hero-section h1 {
      font-size: 2.8rem;
      color: var(--dark-blue);
      line-height: 1.3;
      margin-bottom: 20px;
      font-weight: 800;
    }
    .hero-section p {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 35px auto;
    }
    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
    }
    .btn-main {
      padding: 12px 30px;
      border-radius: 30px;
      font-weight: bold;
      text-decoration: none;
      transition: all 0.3s;
      cursor: pointer;
    }
    .btn-glow {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: var(--dark-blue);
      box-shadow: 0 8px 20px var(--glow-green);
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px var(--glow-green), 0 0 15px var(--secondary);
    }
    .btn-outline {
      border: 2px solid var(--dark-blue);
      color: var(--dark-blue);
    }
    .btn-outline:hover {
      background: var(--dark-blue);
      color: #fff;
    }

    /* 通用区块样式 */
    section {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }
    .section-title {
      font-size: 32px;
      color: var(--dark-blue);
      font-weight: 700;
      position: relative;
      display: inline-block;
      padding-bottom: 10px;
    }
    .section-title::after {
      content: '';
      position: absolute;
      width: 50px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      border-radius: 2px;
    }
    .section-desc {
      color: var(--text-muted);
      margin-top: 15px;
      font-size: 16px;
    }

    /* 关于我们 */
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-text h3 {
      font-size: 24px;
      margin-bottom: 15px;
      color: var(--dark-blue);
    }
    .about-text p {
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .highlight-box {
      border-left: 4px solid var(--primary);
      padding-left: 15px;
      background: var(--light-bg);
      padding-top: 15px;
      padding-bottom: 15px;
      border-radius: 0 8px 8px 0;
    }

    /* 全平台AIGC服务体系 & 支持平台 */
    .grid-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }
    .card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      transition: all 0.3s;
      position: relative;
      overflow: hidden;
    }
    .card:hover {
      transform: translateY(-5px);
      border-color: var(--secondary);
      box-shadow: 0 10px 20px var(--glow-blue);
    }
    .card-icon {
      font-size: 32px;
      margin-bottom: 20px;
    }
    .card h4 {
      font-size: 20px;
      margin-bottom: 10px;
      color: var(--dark-blue);
    }
    .card p {
      color: var(--text-muted);
      font-size: 14px;
    }
    .platform-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }
    .tag-item {
      padding: 6px 12px;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-main);
      font-weight: 500;
      transition: all 0.3s;
    }
    .tag-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      box-shadow: 0 0 10px var(--glow-green);
    }

    /* 全自动AIGC制作流程 / 标准化服务流程 / 时间线 */
    .timeline {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }
    .timeline-item {
      padding: 20px 30px;
      position: relative;
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 20px;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -15px;
      top: 50%;
      transform: translateY(-50%);
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary);
    }

    /* 对比评测表格 */
    .table-container {
      overflow-x: auto;
      margin-top: 30px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      text-align: left;
    }
    th, td {
      padding: 15px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    th {
      background: var(--light-bg);
      color: var(--dark-blue);
      font-weight: 600;
    }
    tr:last-child td {
      border-bottom: none;
    }
    .rating-badge {
      display: inline-block;
      padding: 4px 10px;
      background: #ffeb3b;
      color: #5d4037;
      border-radius: 4px;
      font-weight: bold;
    }

    /* 客户案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }
    .case-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      transition: all 0.3s;
    }
    .case-card:hover {
      box-shadow: 0 10px 20px var(--glow-blue);
    }
    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #eee;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }
    .case-card:hover img {
      transform: scale(1.05);
    }
    .case-info {
      padding: 20px;
    }

    /* 表单与联系我们 */
    .contact-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
    }
    .form-wrap {
      background: #fff;
      padding: 40px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 500;
      color: var(--dark-blue);
    }
    .form-control {
      width: 100%;
      padding: 12px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      font-size: 14px;
      outline: none;
      transition: border-color 0.3s;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px var(--glow-green);
    }
    .contact-info-wrap {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .qrcode-box {
      text-align: center;
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: 8px;
    }
    .qrcode-box img {
      max-width: 150px;
      height: auto;
      margin-bottom: 10px;
    }

    /* FAQ 折叠面板 */
    .faq-item {
      border: 1px solid var(--border-color);
      background: #fff;
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-weight: 600;
      color: var(--dark-blue);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.3s;
    }
    .faq-question:hover {
      background: var(--light-bg);
    }
    .faq-question::after {
      content: '+';
      font-size: 20px;
      color: var(--text-muted);
      transition: transform 0.3s;
    }
    .faq-item.active .faq-question::after {
      content: '-';
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 14px;
    }
    .faq-item.active .faq-answer {
      padding: 0 24px 18px 24px;
    }

    /* 用户评论 */
    .comments-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }
    .comment-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 25px;
      position: relative;
    }
    .comment-user {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 15px;
    }
    .user-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--dark-blue);
      font-weight: bold;
    }

    /* Token 比价 */
    .price-badge {
      background: #e6fffa;
      color: #00a389;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: bold;
    }

    /* 浮动客服 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: var(--dark-blue);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(0,0,0,0.15);
      cursor: pointer;
      transition: all 0.3s;
    }
    .float-service:hover {
      transform: scale(1.1);
    }
    .service-popup {
      position: absolute;
      bottom: 60px;
      right: 0;
      width: 220px;
      background: white;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
      display: none;
      text-align: center;
    }
    .service-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    /* 行业资讯最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 20px;
    }
    .news-link {
      color: var(--dark-blue);
      text-decoration: none;
      font-weight: 500;
      display: block;
      margin-top: 10px;
    }
    .news-link:hover {
      color: var(--primary);
    }

    /* 页脚 */
    footer {
      background: var(--dark-blue);
      color: #94a3b8;
      padding: 60px 0 30px 0;
    }
    .footer-inner {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h5 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 20px;
    }
    .footer-col a {
      color: #94a3b8;
      text-decoration: none;
      display: block;
      margin-bottom: 10px;
      transition: color 0.3s;
    }
    .footer-col a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 30px;
      text-align: center;
      font-size: 14px;
    }
    .footer-links {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 15px;
      flex-wrap: wrap;
    }
    .footer-links a {
      color: #94a3b8;
      text-decoration: none;
    }
    .footer-links a:hover {
      color: #fff;
    }

    /* 数据指标卡片 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }
    .metric-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 25px;
      text-align: center;
    }
    .metric-num {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 10px;
    }

    /* 响应式调整 */
    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        gap: 15px;
      }
      .nav-links.active {
        display: flex;
      }
      .hero-section h1 {
        font-size: 2rem;
      }
      .about-content, .contact-layout {
        grid-template-columns: 1fr;
      }
      .form-wrap {
        padding: 20px;
      }
    }