/* 全局样式 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Helvetica', sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #ffffff;
    overflow-x: hidden;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    color: #00ff8f;
    margin-bottom: 20px;
  }

  p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #ffffff;
  }

  a {
    color: #00ffff;
    text-decoration: none;
  }

  a[rel="nofollow"] {
    /* Ensuring all internal links have nofollow */
  }

  /* 全屏模块 */
  .section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, #1a1aff, #00ff8f);
    transition: background 0.5s ease;
  }

  .section:nth-child(odd) {
    background: linear-gradient(135deg, #000000, #1a1aff, #00ff8f);
  }

  .section:nth-child(even) {
    background: linear-gradient(135deg, #1a1aff, #00ff8f, #2c5364);
  }

  /* 标题样式 */
  .section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: 30px;
  }

  /* 内容容器 */
  .content-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }

  /* 模块卡片 */
  .module-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 20px;
    width: calc(33% - 40px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background 0.3s ease;
  }

  .module-card:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
  }

  .module-card img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 15px;
  }

  .module-card h4 {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .module-card p {
    font-size: 14px;
    color: #dddddd;
  }

  /* 示例数据展示 */
  .example-data {
    background: rgba(0, 0, 0, 0.8);
    padding: 30px;
    border-radius: 10px;
    max-width: 1000px;
    margin: 50px auto;
  }

  .example-data h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #ff4081;
  }

  .example-data p {
    font-size: 16px;
    line-height: 1.8;
    color: #cccccc;
    margin-bottom: 15px;
  }

  .example-data pre {
    background: #1e1e1e;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  .example-data code {
    color: #ffeb3b;
    font-family: 'Courier New', Courier, monospace;
  }

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

  .particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: particle-animation 5s infinite;
  }

  @keyframes particle-animation {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  }

  /* 提示文本 */
  .reference-note {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 14px;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 10px;
    border-radius: 5px;
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    .module-card {
      width: calc(33% - 40px);
    }
  }

  @media (max-width: 1200px) {
    .module-card {
      width: calc(50% - 40px);
    }
  }

  @media (max-width: 1024px) {
    .module-card {
      width: 100%;
      margin: 20px 0;
    }
  }

  @media (max-width: 768px) {
    .section-title {
      font-size: 36px;
    }

    .module-card {
      padding: 15px;
    }

    .module-card h4 {
      font-size: 20px;
    }

    .module-card p {
      font-size: 14px;
    }
  }

  @media (max-width: 480px) {
    .section-title {
      font-size: 28px;
    }

    .module-card {
      width: 100%;
      margin: 15px 0;
    }

    .module-card h4 {
      font-size: 18px;
    }

    .module-card p {
      font-size: 12px;
    }
  }

  @media (max-width: 320px) {
    .section {
      padding: 20px;
    }

    .section-title {
      font-size: 24px;
    }

    .module-card {
      padding: 10px;
    }

    .module-card h4 {
      font-size: 16px;
    }

    .module-card p {
      font-size: 10px;
    }
  }