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

  /* 字体与颜色变量 */
  :root {
    --deep-blue: #0d47a1;
    --silver-gray: #c0c0c0;
    --black: #000000;
    --neon-green: #39ff14;
    --violet: #8a2be2;
    --bright-orange: #ff4500;
    --background-gradient: linear-gradient(135deg, #0d47a1, #c0c0c0, #000000);
    --card-background: rgba(255, 255, 255, 0.1);
    --card-backdrop: blur(10px);
    --text-color: #ffffff;
    --secondary-text: #dcdcdc;
    --font-family: 'Roboto', 'Inter', sans-serif;
  }

  /* 全局样式 */
  body {
    font-family: var(--font-family);
    background: var(--background-gradient);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 20px;
  }

  /* 容器布局 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    backdrop-filter: var(--card-backdrop);
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 标题样式 */
  header {
    text-align: center;
    margin-bottom: 30px;
  }

  header h1 {
    font-size: 3rem;
    color: var(--neon-green);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
  }

  /* 文章样式 */
  article {
    background: var(--card-background);
    backdrop-filter: var(--card-backdrop);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    color: var(--secondary-text);
  }

  article h2 {
    font-size: 2.5rem;
    color: var(--violet);
    margin-bottom: 15px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
  }

  article h3 {
    font-size: 2rem;
    color: var(--neon-green);
    margin-top: 20px;
    margin-bottom: 10px;
  }

  article h4 {
    font-size: 1.5rem;
    color: var(--bright-orange);
    margin-top: 15px;
    margin-bottom: 10px;
  }

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

  article pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 15px;
  }

  article code {
    color: var(--neon-green);
    font-family: 'Courier New', Courier, monospace;
  }

  /* 图片样式 */
  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 20px;
  }

  .image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease;
  }

  .image-grid img:hover {
    transform: scale(1.05);
  }

  /* 提示样式 */
  .reference-note {
    text-align: center;
    font-size: 1rem;
    color: var(--secondary-text);
    margin-top: 30px;
    padding: 10px;
    border-top: 1px solid var(--silver-gray);
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    header h1 {
      font-size: 2.5rem;
    }

    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;
    }

    article {
      padding: 15px;
    }
  }

  @media (max-width: 1024px) {
    header h1 {
      font-size: 2rem;
    }

    article h2 {
      font-size: 2rem;
    }

    article h3 {
      font-size: 1.6rem;
    }

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

  @media (max-width: 768px) {
    .image-grid {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    article pre {
      font-size: 0.9rem;
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 1.8rem;
    }

    article h2 {
      font-size: 1.8rem;
    }

    article h3 {
      font-size: 1.4rem;
    }

    article h4 {
      font-size: 1rem;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.5rem;
    }

    article h2 {
      font-size: 1.5rem;
    }

    article h3 {
      font-size: 1.2rem;
    }

    article h4 {
      font-size: 0.9rem;
    }
  }

  /* 按钮样式 */
  .button {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    color: var(--text-color);
    background: var(--violet);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    overflow: hidden;
    transition: background 0.3s ease;
  }

  .button:hover {
    background: var(--bright-orange);
  }

  .button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
  }

  .button:hover::before {
    width: 300%;
    height: 300%;
  }

  /* 动态粒子效果 */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: -1;
  }

  /* 示例数据展示 */
  .sample-data {
    background: var(--card-background);
    backdrop-filter: var(--card-backdrop);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    color: var(--secondary-text);
    margin-top: 20px;
  }

  .sample-data h3 {
    font-size: 1.8rem;
    color: var(--neon-green);
    margin-bottom: 15px;
  }

  .sample-data ul {
    list-style: none;
    padding-left: 0;
  }

  .sample-data li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
  }

  .sample-data li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--bright-orange);
  }