/* 基础样式 */
  body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #000033, #1a0066);
    color: #ffffff;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: 'Futura', sans-serif;
    color: #00ffcc;
  }

  h1 {
    font-size: 48px;
    font-weight: bold;
    margin: 20px 0;
    text-align: center;
  }

  h2 {
    font-size: 36px;
    margin: 20px 0;
    border-bottom: 2px solid #00ffcc;
    padding-bottom: 10px;
  }

  h3 {
    font-size: 28px;
    margin: 20px 0;
    color: #ff99cc;
  }

  p {
    font-size: 16px;
    margin: 15px 0;
    padding: 0 20px;
  }

  ul, ol {
    margin: 15px 40px;
    padding: 0;
  }

  li {
    margin-bottom: 10px;
  }

  a {
    color: #00ffcc;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  a:hover {
    color: #ff99cc;
  }

  /* 导航栏样式 */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 51, 0.8);
    padding: 10px 0;
    z-index: 1000;
  }

  .navbar ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
  }

  .navbar li {
    margin: 0 15px;
  }

  /* 容器与布局 */
  .container {
    max-width: 1200px;
    margin: 100px auto 50px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    backdrop-filter: blur(10px);
  }

  /* 图片样式 */
  .images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
  }

  .images img {
    width: 320px;
    height: 320px;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease;
  }

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

  /* 表格样式 */
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
  }

  table, th, td {
    border: 1px solid #00ffcc;
  }

  th, td {
    padding: 10px;
    text-align: left;
  }

  th {
    background: #1a0066;
  }

  /* 代码块样式 */
  pre {
    background: #000000cc;
    padding: 15px;
    border-radius: 5px;
    overflow: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #00ffcc;
  }

  code {
    font-family: 'Courier New', Courier, monospace;
    color: #00ffcc;
  }

  /* 按钮样式 */
  button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
    margin: 10px;
  }

  button:hover {
    background-color: #0056b3;
    transform: scale(1.1);
  }

  /* 背景动画 */
  .background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('https://images.gptkong.com/demo/sample1.png') repeat;
    animation: moveBackground 60s linear infinite;
    opacity: 0.3;
  }

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

  /* 响应式设计 */
  @media (max-width: 1440px) {
    .container {
      max-width: 1000px;
    }
  }

  @media (max-width: 1200px) {
    .container {
      max-width: 900px;
    }
  }

  @media (max-width: 1024px) {
    .container {
      max-width: 800px;
    }
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 36px;
    }

    h2 {
      font-size: 28px;
    }

    h3 {
      font-size: 24px;
    }

    p {
      font-size: 14px;
      padding: 0 10px;
    }

    .images img {
      width: 100%;
      height: auto;
    }
  }

  @media (max-width: 480px) {
    .navbar ul {
      flex-direction: column;
      align-items: center;
    }

    .navbar li {
      margin: 10px 0;
    }

    h1 {
      font-size: 28px;
    }

    h2 {
      font-size: 24px;
    }

    h3 {
      font-size: 20px;
    }

    p {
      font-size: 12px;
    }
  }

  @media (max-width: 320px) {
    h1 {
      font-size: 24px;
    }

    h2 {
      font-size: 20px;
    }

    h3 {
      font-size: 18px;
    }

    p {
      font-size: 10px;
    }

    .images img {
      width: 100%;
      height: auto;
    }
  }

  /* 提示信息 */
  .reference {
    text-align: center;
    font-size: 14px;
    margin: 20px 0;
    color: #ff99cc;
  }