* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #88C057, #F4E9CD);
    color: #1E1E1E;
    padding: 20px;
  }

  header {
    text-align: center;
    padding: 50px 0;
    background: linear-gradient(135deg, #0A66C2, #1DA1F2);
    color: #FFFFFF;
    border-radius: 10px;
    margin-bottom: 30px;
  }

  header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5em;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
  }

  article {
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 30px;
  }

  article h2 {
    font-family: 'Poppins', sans-serif;
    color: #88C057;
    margin-bottom: 20px;
    text-align: center;
  }

  article h3, article h4 {
    color: #1DA1F2;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  article p, article ul {
    margin-bottom: 15px;
    line-height: 1.8;
  }

  article ul {
    list-style: disc;
    padding-left: 20px;
  }

  article pre {
    background: #F4E9CD;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 15px;
  }

  article code {
    font-family: 'Courier New', Courier, monospace;
    color: #C0C0C0;
  }

  .code-preview {
    background: #1E1E1E;
    color: #FFD700;
    padding: 10px;
    border-radius: 5px;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 20px;
  }

  .images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
  }

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

  footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, #D2B48C, #F4E9CD);
    border-radius: 10px;
    color: #1E1E1E;
  }

  a {
    color: #FF6F61;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  /* Responsive Design */
  @media (max-width: 1440px) {
    header h1 {
      font-size: 2em;
    }
  }

  @media (max-width: 1200px) {
    .container {
      padding: 0 20px;
    }
  }

  @media (max-width: 1024px) {
    article {
      padding: 20px;
    }
  }

  @media (max-width: 768px) {
    .images-grid {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
  }

  @media (max-width: 480px) {
    header h1 {
      font-size: 1.5em;
    }

    article {
      padding: 15px;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.2em;
    }

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

  /* Animation */
  @keyframes auroraMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  body {
    animation: auroraMove 15s linear infinite;
    background-size: 200% 200%;
  }