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

  /* 页面背景与字体设置 */
  body {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    background-color: #0f2027;
    overflow-x: hidden;
  }

  /* 导航栏样式 */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #203a43;
    padding: 20px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
  }

  .navbar .logo {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
  }

  .navbar .nav-links {
    display: flex;
    list-style: none;
  }

  .navbar .nav-links li {
    margin-left: 20px;
  }

  .navbar .nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s ease;
  }

  .navbar .nav-links li a:hover {
    color: #3498db;
  }

  /* 主内容区样式 */
  .main {
    padding-top: 100px;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* 选项卡式布局 */
  .tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
  }

  .tabs .tab {
    background-color: #2c5364;
    padding: 15px 30px;
    margin: 5px;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }

  .tabs .tab:hover {
    background-color: #3498db;
    transform: scale(1.05);
  }

  .tabs .tab.active {
    background-color: #3498db;
    border-bottom: 4px solid #2980b9;
  }

  /* 内容模块样式 */
  .content {
    display: none;
    animation: fadeIn 1s ease-in-out;
  }

  .content.active {
    display: block;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  /* 网格布局 */
  .grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
  }

  .grid-item {
    background-color: #203a43;
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease, background-color 0.3s ease;
  }

  .grid-item:hover {
    transform: translateY(-10px);
    background-color: #2c5364;
  }

  /* 示例数据展示样式 */
  .example-data {
    background-color: #2c5364;
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
    animation: slideIn 1s ease-in-out;
  }

  @keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
  }

  .example-data h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #ffffff;
    text-align: center;
  }

  .example-data article {
    line-height: 1.6;
  }

  .example-data section {
    margin-bottom: 20px;
  }

  .example-data h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #3498db;
  }

  .example-data pre {
    background-color: #1e2a38;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
  }

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

  .images img {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease;
  }

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

  /* 动画背景样式 */
  .starry-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') repeat;
    animation: moveBackground 200s linear infinite;
    z-index: -1;
  }

  @keyframes moveBackground {
    from { background-position: 0 0; }
    to { background-position: -10000px 5000px; }
  }

  /* 响应式设计 */
  @media (max-width: 768px) {
    .navbar {
      flex-direction: column;
      align-items: flex-start;
    }

    .navbar .nav-links {
      flex-direction: column;
      width: 100%;
    }

    .navbar .nav-links li {
      margin: 10px 0;
    }

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

    .tabs .tab {
      width: 100%;
      text-align: center;
    }

    .grid-container {
      grid-template-columns: 1fr;
    }
  }

  /* 按钮样式 */
  .button {
    background-color: #2980b9;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
  }

  .button:hover {
    background-color: #3498db;
    transform: scale(1.05);
  }

  /* 固定提示文字 */
  .reference-note {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: rgba(44, 83, 100, 0.8);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: #ffffff;
    animation: fadeInUp 1s ease-in-out;
  }

  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }