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

  body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #1e003c, #0074ff);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
    animation: backgroundMove 15s linear infinite;
    overflow-x: hidden;
  }

  @keyframes backgroundMove {
    0% {
      background-position: 0% 50%;
    }
    50% {
      background-position: 100% 50%;
    }
    100% {
      background-position: 0% 50%;
    }
  }

  header {
    text-align: center;
    padding: 50px 0;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
  }

  header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    color: #39ff14;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
  }

  header p {
    font-size: 18px;
    color: #ffffff;
  }

  .container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
  }

  article {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  }

  article h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    color: #39ff14;
    margin-bottom: 20px;
    text-align: center;
  }

  article h3, article h4 {
    font-family: 'Orbitron', sans-serif;
    color: #ff5733;
    margin-top: 30px;
    margin-bottom: 15px;
  }

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

  article pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  article code {
    font-family: 'Courier New', Courier, monospace;
    color: #39ff14;
  }

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

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

  table th {
    background: rgba(255, 87, 34, 0.8);
    color: #ffffff;
  }

  table td {
    background: rgba(0, 0, 0, 0.5);
  }

  .image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
  }

  .image-gallery img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 5px;
  }

  .footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
  }

  .footer p {
    font-size: 14px;
    color: #ffffff;
  }

  /* 按钮样式 */
  .btn {
    display: inline-block;
    background-color: #39ff14;
    color: #000000;
    padding: 10px 20px;
    font-size: 16px;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn:hover {
    background-color: #ffffff;
    color: #39ff14;
    box-shadow: 0 0 10px #39ff14;
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    header h1 {
      font-size: 42px;
    }
    article h2 {
      font-size: 32px;
    }
  }

  @media (max-width: 1200px) {
    .image-gallery img {
      width: 90px;
      height: 90px;
    }
  }

  @media (max-width: 1024px) {
    .container {
      padding: 0 20px;
    }
    article pre {
      font-size: 14px;
    }
  }

  @media (max-width: 768px) {
    header {
      padding: 30px 0;
    }
    header h1 {
      font-size: 36px;
    }
    article h2 {
      font-size: 28px;
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 28px;
    }
    article h2 {
      font-size: 24px;
    }
    article h3, article h4 {
      font-size: 20px;
    }
    .image-gallery img {
      width: 80px;
      height: 80px;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 24px;
    }
    article h2 {
      font-size: 20px;
    }
    article h3, article h4 {
      font-size: 18px;
    }
    .image-gallery img {
      width: 70px;
      height: 70px;
    }
  }