/* 基础样式重置 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  /* 字体与色彩定义 */
  :root {
    --primary-color: #0074D9; /* 深蓝色 */
    --secondary-color: #FFFFFF; /* 白色 */
    --accent-color: #FFC300;   /* 金色点缀 */
    --gradient-bg: radial-gradient(circle, rgba(0, 116, 217, 0.8), transparent);
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --transition-speed: 0.3s;
  }

  body {
    font-family: var(--font-secondary);
    background: var(--gradient-bg);
    color: var(--secondary-color);
    line-height: 1.6;
    padding: 20px;
    animation: backgroundMove 15s linear infinite;
  }

  /* 背景动画 */
  @keyframes backgroundMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /* 容器与网格系统 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
  }

  /* 文章样式 */
  article {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
    color: var(--secondary-color);
  }

  article h2, article h3, article h4 {
    font-family: var(--font-primary);
    margin-bottom: 15px;
    color: var(--accent-color);
  }

  article h2 {
    font-size: 2.5rem;
  }

  article h3 {
    font-size: 2rem;
  }

  article h4 {
    font-size: 1.5rem;
  }

  article p {
    margin-bottom: 15px;
    font-size: 1rem;
  }

  article pre {
    background: #1e1e1e;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 15px;
    font-family: 'Courier New', Courier, monospace;
    color: #f8f8f2;
  }

  article code {
    background: #333;
    padding: 2px 4px;
    border-radius: 3px;
  }

  article ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 15px;
  }

  /* 图片样式 */
  .images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
  }

  .images img {
    width: 100%;
    height: auto;
    border-radius: 5px;
  }

  /* 代码示例预览 */
  .code-preview {
    background: #2d2d2d;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
  }

  .code-preview pre {
    background: none;
    padding: 0;
    overflow: visible;
  }

  /* 提示信息 */
  .reference-note {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
  }

  /* 按钮样式 */
  .button {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform var(--transition-speed) ease-in-out;
    font-family: var(--font-primary);
  }

  .button:hover {
    transform: scale(1.1);
  }

  /* 导航菜单 */
  nav {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }

  nav a {
    color: var(--secondary-color);
    text-decoration: none;
    margin: 0 10px;
    transition: color var(--transition-speed);
  }

  nav a:hover {
    color: var(--accent-color);
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    article h2 {
      font-size: 2.2rem;
    }
    article h3 {
      font-size: 1.8rem;
    }
    article h4 {
      font-size: 1.3rem;
    }
  }

  @media (max-width: 1200px) {
    .container {
      padding: 15px;
    }
  }

  @media (max-width: 1024px) {
    .images {
      grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
  }

  @media (max-width: 768px) {
    .container {
      grid-template-columns: repeat(6, 1fr);
    }

    article h2 {
      font-size: 2rem;
    }

    article h3 {
      font-size: 1.6rem;
    }

    article h4 {
      font-size: 1.2rem;
    }
  }

  @media (max-width: 480px) {
    .container {
      grid-template-columns: repeat(4, 1fr);
    }

    article h2 {
      font-size: 1.8rem;
    }

    article h3 {
      font-size: 1.4rem;
    }

    article h4 {
      font-size: 1rem;
    }

    .button {
      padding: 8px 16px;
      font-size: 0.9rem;
    }
  }

  @media (max-width: 320px) {
    .container {
      grid-template-columns: repeat(2, 1fr);
    }

    article {
      padding: 20px;
    }

    .reference-note {
      font-size: 1rem;
    }
  }