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

  body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0F172A, #1E2A47, #0F172A);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    color: #FFFFFF;
    line-height: 1.6;
    padding: 20px;
  }

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

  h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    color: #39FF14;
    text-shadow: 0 0 5px #39FF14, 0 0 10px #39FF14;
    margin-bottom: 20px;
  }

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

  a {
    color: #00C1DE;
    text-decoration: none;
    position: relative;
  }

  a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #00C1DE;
    transition: width .3s;
    position: absolute;
    bottom: -2px;
    left: 0;
  }

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
  }

  article {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
  }

  pre {
    background: #1E2A47;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  code {
    color: #39FF14;
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
  }

  .highlight {
    background: rgba(57, 255, 20, 0.2);
    padding: 2px 4px;
    border-radius: 3px;
  }

  .images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin: 20px 0;
  }

  .images-grid img {
    width: 100%;
    border-radius: 5px;
    filter: brightness(0.8);
    transition: transform 0.3s, filter 0.3s;
  }

  .images-grid img:hover {
    transform: scale(1.05);
    filter: brightness(1);
  }

  .note {
    background: rgba(57, 255, 20, 0.1);
    padding: 10px;
    border-left: 5px solid #39FF14;
    margin: 20px 0;
    font-style: italic;
  }

  /* 动画效果 */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
  }

  .particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: #39FF14;
    border-radius: 50%;
    opacity: 0.7;
    animation: particleAnimation 10s infinite;
  }

  @keyframes particleAnimation {
    0% { transform: translate(0, 0); opacity: 1; }
    100% { transform: translate(100vw, 100vh); opacity: 0; }
  }

  /* 按钮样式 */
  .btn {
    background: #39FF14;
    color: #0F172A;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px #39FF14, 0 0 20px #39FF14;
  }

  .btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px #39FF14, 0 0 40px #39FF14;
  }

  .btn:active {
    transform: scale(0.9);
    box-shadow: inset 0 0 10px #39FF14;
  }

  /* 响应式设计 */
  @media (max-width: 320px) {
    body {
      padding: 10px;
    }

    h1 {
      font-size: 1.5rem;
    }

    .container {
      grid-template-columns: 1fr;
      padding: 10px;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 2rem;
    }

    .images-grid {
      grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 2.5rem;
    }

    .container {
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
  }

  @media (min-width: 1024px) and (max-width: 1200px) {
    h1 {
      font-size: 3rem;
    }

    .images-grid {
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
  }

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

    .container {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
  }