/* 基础重置 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  /* 页面背景及整体字体 */
  body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background: radial-gradient(circle, rgba(34,193,195,1) 0%, rgba(253,187,45,1) 100%);
    animation: gradientMove 15s linear infinite;
    padding: 20px;
  }

  @keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /* 容器设置 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  /* 头部样式 */
  header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, #2E8B57, #4682B4);
    color: white;
    border-radius: 10px 10px 0 0;
  }

  header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
  }

  header p {
    font-size: 1.2em;
    letter-spacing: 1px;
  }

  /* 导航栏样式 */
  nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
  }

  nav a {
    text-decoration: none;
    color: #2E8B57;
    font-weight: bold;
    transition: color 0.3s;
  }

  nav a:hover {
    color: #4682B4;
  }

  /* 主内容样式 */
  main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
  }

  section {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  section h2 {
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #2E8B57;
  }

  section p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
  }

  /* 示例文章样式 */
  article {
    background: #f9f9f9;
    padding: 20px;
    border-left: 5px solid #4682B4;
    margin-top: 40px;
    border-radius: 5px;
  }

  article h2 {
    font-size: 2em;
    margin-bottom: 10px;
    color: #2E8B57;
  }

  article h3 {
    font-size: 1.5em;
    margin-top: 20px;
    color: #4682B4;
  }

  article h4 {
    font-size: 1.2em;
    margin-top: 15px;
    color: #2E8B57;
  }

  article p {
    margin: 10px 0;
    color: #333;
  }

  article pre {
    background: #eaeaea;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9em;
    margin-bottom: 15px;
  }

  article code {
    font-family: 'Courier New', Courier, monospace;
    color: #d14;
  }

  article ul {
    list-style: disc inside;
    margin: 10px 0;
  }

  /* 图片样式 */
  .gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
  }

  .gallery img {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
  }

  .gallery img:hover {
    transform: scale(1.05);
  }

  /* 提示信息样式 */
  .notice {
    text-align: center;
    font-size: 1.2em;
    color: #ff6347;
    margin-top: 30px;
    padding: 10px;
    border: 2px dashed #ff6347;
    border-radius: 5px;
    background: rgba(255, 99, 71, 0.1);
  }

  /* 代码示例预览样式 */
  .code-preview {
    background: #272822;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    overflow-x: auto;
  }

  .code-preview pre {
    margin: 0;
  }

  /* 响应式设计 */
  @media (max-width: 768px) {
    header h1 {
      font-size: 2em;
    }

    nav {
      flex-direction: column;
      gap: 10px;
    }

    main {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    body {
      padding: 10px;
    }

    header h1 {
      font-size: 1.5em;
    }

    .notice {
      font-size: 1em;
    }
  }