/* 全局样式 */
  body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1e0066, #5c00a8);
    color: #ffffff;
    line-height: 1.6;
  }

  /* 头部样式 */
  header {
    width: 100%;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
    position: fixed;
    top: 0;
    z-index: 1000;
  }

  header h1 {
    font-family: 'Futura', sans-serif;
    font-size: 2em;
    margin: 0;
    color: #00ff99;
  }

  /* 导航栏 */
  nav {
    margin-top: 10px;
  }

  nav a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
  }

  nav a:hover {
    color: #00cc66;
  }

  /* 主内容区域 */
  .content {
    padding: 100px 20px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  section {
    margin-bottom: 50px;
  }

  h2, h3, h4 {
    font-family: 'Futura', sans-serif;
    color: #00ff99;
  }

  h2 {
    font-size: 2em;
    margin-bottom: 20px;
  }

  h3 {
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  h4 {
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  p {
    margin-bottom: 15px;
  }

  pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    color: #00ff99;
  }

  code {
    font-family: 'Courier New', Courier, monospace;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
  }

  table, th, td {
    border: 1px solid #00ff99;
  }

  th, td {
    padding: 10px;
    text-align: left;
  }

  /* 按钮样式 */
  button {
    background-color: #00ff99;
    border: none;
    padding: 10px 20px;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
    border-radius: 5px;
  }

  button:hover {
    background-color: #00cc66;
    transform: scale(1.1);
  }

  /* 图片样式 */
  .images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .images img {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 10px;
  }

  /* 示例数据展示 */
  .sample-article {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    body {
      font-size: 16px;
    }
  }

  @media (max-width: 1200px) {
    .images {
      justify-content: center;
    }
  }

  @media (max-width: 1024px) {
    header h1 {
      font-size: 1.8em;
    }
  }

  @media (max-width: 768px) {
    nav a {
      margin: 0 10px;
      font-size: 0.9em;
    }

    .content {
      padding: 80px 10px 10px 10px;
    }

    h2 {
      font-size: 1.8em;
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 1.5em;
    }

    nav a {
      margin: 0 5px;
      font-size: 0.8em;
    }

    h2 {
      font-size: 1.5em;
    }

    h3 {
      font-size: 1.2em;
    }

    .images {
      flex-direction: column;
      align-items: center;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.2em;
    }

    h2 {
      font-size: 1.2em;
    }

    h3 {
      font-size: 1em;
    }
  }

  /* 提示样式 */
  .reference-note {
    text-align: center;
    font-size: 1em;
    margin-top: 20px;
    color: #ffcc00;
  }