/* 基础样式 */
  body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A192F, #645CBB);
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* 全局链接样式 */
  a {
    color: #3CE77B;
    text-decoration: none;
    position: relative;
  }

  a:hover {
    color: #FF6F5E;
  }

  /* 容器 */
  .container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 2rem 0;
  }

  /* 标题样式 */
  h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    color: #3CE77B;
    margin-bottom: 1rem;
  }

  h1 {
    font-size: 3rem;
    text-align: center;
    margin-top: 2rem;
  }

  h2 {
    font-size: 2.5rem;
    margin-top: 3rem;
  }

  h3 {
    font-size: 2rem;
    margin-top: 2rem;
  }

  h4 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
  }

  /* 段落样式 */
  p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    animation: fadeIn 1s ease-in-out;
  }

  /* 列表样式 */
  ul {
    list-style-type: disc;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
  }

  /* 按钮样式 */
  .btn {
    display: inline-block;
    background-color: #3CE77B;
    color: #0A192F;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease;
    font-size: 1rem;
    margin-top: 1rem;
  }

  .btn:hover {
    background-color: #FF6F5E;
  }

  /* 按钮悬浮波纹效果 */
  .btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
  }

  .btn:hover::before {
    width: 150px;
    height: 150px;
  }

  /* 代码块样式 */
  pre {
    background: #1E2A38;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 1.5rem;
  }

  code {
    color: #3CE77B;
  }

  /* 图片样式 */
  .images {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
  }

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

  /* 示例展示区 */
  .example {
    background: rgba(10, 25, 47, 0.8);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 3rem;
  }

  .example h2 {
    text-align: center;
    color: #FF6F5E;
  }

  /* 动态粒子背景 */
  .particle-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('https://images.gptkong.com/demo/sample1.png') repeat;
    animation: moveParticles 20s linear infinite;
    opacity: 0.3;
  }

  @keyframes moveParticles {
    from {
      background-position: 0 0;
    }
    to {
      background-position: 1000px 1000px;
    }
  }

  /* 淡入动画 */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* 响应式设计 */
  @media (max-width: 1440px) {
    h1 {
      font-size: 2.8rem;
    }
    h2 {
      font-size: 2.3rem;
    }
  }

  @media (max-width: 1200px) {
    .container {
      width: 95%;
    }
  }

  @media (max-width: 1024px) {
    h1 {
      font-size: 2.5rem;
    }
    h2 {
      font-size: 2rem;
    }
    .images {
      justify-content: center;
    }
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 2rem;
    }
    h2 {
      font-size: 1.8rem;
    }
    h3 {
      font-size: 1.6rem;
    }
    h4 {
      font-size: 1.3rem;
    }
    p {
      font-size: 0.9rem;
    }
    .btn {
      padding: 0.6rem 1.2rem;
      font-size: 0.9rem;
    }
    .images img {
      max-width: 100%;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 1.8rem;
    }
    h2 {
      font-size: 1.6rem;
    }
    h3 {
      font-size: 1.4rem;
    }
    h4 {
      font-size: 1.2rem;
    }
    p {
      font-size: 0.8rem;
    }
    .btn {
      padding: 0.5rem 1rem;
      font-size: 0.8rem;
    }
  }

  @media (max-width: 320px) {
    h1 {
      font-size: 1.5rem;
    }
    h2 {
      font-size: 1.4rem;
    }
    h3 {
      font-size: 1.2rem;
    }
    h4 {
      font-size: 1rem;
    }
    p {
      font-size: 0.7rem;
    }
    .btn {
      padding: 0.4rem 0.8rem;
      font-size: 0.7rem;
    }
  }

  /* 底部样式 */
  footer {
    background: rgba(10, 25, 47, 0.9);
    color: #FFFFFF;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
  }

  footer p {
    margin: 0;
    font-size: 0.9rem;
  }

  /* 提示信息样式 */
  .reference {
    text-align: center;
    font-style: italic;
    margin-top: 2rem;
    color: #FF6F5E;
  }

  /* FAQ 区域样式 */
  .faq {
    margin-top: 2rem;
  }

  .faq h3 {
    cursor: pointer;
    position: relative;
  }

  .faq .answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    background: #0A192F;
    padding: 0 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
  }

  .faq .answer p {
    margin: 1rem 0;
  }

  .faq h3::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
  }

  .faq h3.active::after {
    content: '-';
  }

  .faq h3.active + .answer {
    max-height: 500px;
    padding: 1rem;
  }