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

  body {
    font-family: 'Poppins', sans-serif;
    color: #ffffff;
    background: linear-gradient(135deg, #0a1d37, #142850);
    line-height: 1.6;
    padding: 20px;
  }

  h1, h2, h3, h4 {
    font-family: 'Roboto', sans-serif;
    color: #ffffff;
    margin-bottom: 20px;
  }

  h1 {
    font-size: 2.5em;
    text-align: center;
    margin-top: 20px;
    letter-spacing: 2px;
  }

  h2 {
    font-size: 2em;
    margin-top: 40px;
    border-bottom: 2px solid #ffffff;
    display: inline-block;
    padding-bottom: 10px;
  }

  h3 {
    font-size: 1.5em;
    margin-top: 30px;
    color: #ffaf40;
  }

  p {
    font-size: 1em;
    margin-bottom: 20px;
    color: #d1e8ff;
  }

  ul {
    list-style: none;
    margin-left: 20px;
    margin-bottom: 20px;
  }

  ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #cce0ff;
  }

  ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #ff7e5f;
  }

  pre {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 20px;
    color: #d1e8ff;
  }

  code {
    font-family: 'Courier New', Courier, monospace;
    color: #ffdd57;
  }

  /* 链接样式 */
  a {
    color: #ff7e5f;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
  }

  a:hover {
    color: #feb47b;
  }

  /* 按钮样式 */
  .button {
    position: relative;
    overflow: hidden;
    border: none;
    background: linear-gradient(to right, #ff7e5f, #feb47b);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: 20px;
  }

  .button::after {
    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%);
    opacity: 0;
    transition: all 0.4s ease-out;
  }

  .button:hover::after {
    width: 200px;
    height: 200px;
    opacity: 1;
  }

  .button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }

  /* 容器和布局 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
  }

  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
  }

  .card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }

  /* 图像样式 */
  .images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
  }

  .images img {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
    object-fit: cover;
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    body {
      padding: 15px;
    }

    h1 {
      font-size: 2.2em;
    }

    h2 {
      font-size: 1.8em;
    }

    h3 {
      font-size: 1.3em;
    }

    p, li {
      font-size: 0.95em;
    }
  }

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

  @media (max-width: 1024px) {
    .grid {
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    h1 {
      font-size: 2em;
    }
  }

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

    .images {
      justify-content: center;
    }
  }

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

    h2 {
      font-size: 1.5em;
    }

    .button {
      padding: 8px 16px;
    }
  }

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

    h2 {
      font-size: 1.2em;
    }

    .button {
      padding: 6px 12px;
    }
  }

  /* 图标样式 */
  .icon {
    fill: currentColor;
    stroke: #ffffff;
    stroke-width: 2;
    transition: transform 0.3s ease;
  }

  .icon:hover {
    transform: scale(1.2);
  }

  /* 代码块样式 */
  .code-block {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  .code-block code {
    color: #ffdd57;
    font-family: 'Courier New', Courier, monospace;
  }

  /* 提示样式 */
  .notice {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-left: 5px solid #ff7e5f;
    margin: 20px 0;
    border-radius: 5px;
    color: #ffffff;
  }