:root {
    --primary: linear-gradient(135deg, #6A5ACD, #9370DB);
    --secondary: rgba(255, 255, 255, 0.1);
    --accent: #FF7F50;
    --text: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.2);
  }

  @font-face {
    font-family: 'Orbitron';
    src: url('') format('');
    font-display: swap;
  }

  body {
    background: var(--primary);
    color: var(--text);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-size: 1000px 1000px;
    animation: flow 60s linear infinite;
  }

  @keyframes flow {
    0% { background-position: 0 0; }
    100% { background-position: 1000px 0; }
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
  }

  header {
    text-align: center;
    padding: 40px 0;
    position: relative;
  }

  h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--text);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }

  h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    position: relative;
    padding-bottom: 10px;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--accent);
  }

  h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
  }

  .navbar {
    display: flex;
    justify-content: center;
    background-color: var(--secondary);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  }

  .nav-item {
    cursor: pointer;
    padding: 10px 20px;
    transition: all 0.3s;
    margin: 0 10px;
    border-radius: 5px;
    font-weight: bold;
  }

  .nav-item:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
  }

  .grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
  }

  .decor-img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s;
  }

  .decor-img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    overflow-x: auto;
    margin: 20px 0;
    border-left: 4px solid var(--accent);
    font-size: 0.9rem;
  }

  code {
    font-family: 'Courier New', monospace;
    color: #f8f8f2;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
  }

  th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  th {
    background-color: rgba(255,255,255,0.1);
    font-weight: bold;
  }

  .notice {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
    font-style: italic;
  }

  @media (max-width: 768px) {
    .image-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .navbar {
      flex-direction: column;
      align-items: center;
    }
    
    .nav-item {
      margin: 5px 0;
      width: 100%;
      text-align: center;
    }
  }

  @media (max-width: 480px) {
    .image-grid {
      grid-template-columns: 1fr;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
  }