/* 基础样式 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a1931, #1c2e67);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
  }

  h1, h2, h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    margin-bottom: 15px;
  }

  h1 {
    font-size: 2.5em;
    text-align: center;
    margin-top: 20px;
    color: #ff77ff;
    position: relative;
  }

  h1::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #ff77ff, #00ffcc);
    margin: 10px auto 0;
  }

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

  pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  code {
    font-family: 'Fira Code', monospace;
    color: #00ffcc;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
  }

  th, td {
    border: 1px solid #ffffff;
    padding: 10px;
    text-align: left;
  }

  th {
    background: rgba(255, 255, 255, 0.2);
  }

  a {
    color: #00ffcc;
    text-decoration: none;
    position: relative;
  }

  a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #00ffcc;
    transition: width 0.3s;
    position: absolute;
    left: 0;
    bottom: -2px;
  }

  a:hover::after {
    width: 100%;
  }

  .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }

  .image-gallery img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
  }

  .reference {
    text-align: center;
    font-size: 0.9em;
    margin-top: 30px;
    color: #ff77ff;
  }

  /* 动画效果 */
  .button {
    position: relative;
    padding: 10px 20px;
    background: #00ffcc;
    color: #0a1931;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.3s;
  }

  .button:hover {
    transform: scale(1.05);
  }

  .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: all 0.4s ease;
  }

  .button:hover::before {
    width: 200px;
    height: 200px;
  }

  /* 响应式设计 */
  @media (min-width: 320px) {
    h1 {
      font-size: 2em;
    }
  }

  @media (min-width: 480px) {
    .container {
      grid-template-columns: 1fr 2fr;
    }
  }

  @media (min-width: 768px) {
    .image-gallery img {
      width: 150px;
      height: 150px;
    }
  }

  @media (min-width: 1024px) {
    body {
      padding: 40px;
    }
  }

  @media (min-width: 1200px) {
    h1 {
      font-size: 3em;
    }
  }

  @media (min-width: 1440px) {
    h1 {
      font-size: 3.5em;
    }
  }