:root {
    --primary: linear-gradient(135deg, #1A237E, #6200EA);
    --secondary: #03A9F4;
    --accent: #6200EA;
    --text: #f8f9fa;
    --card-bg: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
  }

  body {
    background: var(--primary);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    color: var(--text);
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
  }

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 50px;
  }

  .hero {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #03A9F4, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(3, 169, 244, 0.3);
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.9;
  }

  .notice {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: 8px;
    margin: 30px auto;
    max-width: 800px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  article {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow);
  }

  article h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--secondary);
    position: relative;
    padding-bottom: 15px;
  }

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

  article h3 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--secondary);
  }

  article p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.7;
  }

  pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: auto;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary);
  }

  code {
    font-family: 'Courier New', monospace;
    color: #03A9F4;
  }

  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
  }

  .gallery img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }

  .gallery img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 35, 126, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px;
    display: flex;
    justify-content: center;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  }

  .nav-links a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
  }

  .nav-links a:hover {
    color: var(--secondary);
    background: rgba(255, 255, 255, 0.1);
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: width 0.3s ease;
  }

  .nav-links a:hover::after {
    width: 70%;
  }

  .card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  @media (max-width: 768px) {
    .container {
      padding: 80px 15px 30px;
    }
    
    article {
      padding: 30px 20px;
    }
    
    .hero h1 {
      font-size: 2.5rem;
    }
    
    .nav-links {
      flex-wrap: wrap;
      padding: 15px;
    }
    
    .nav-links a {
      margin: 5px;
      font-size: 0.9rem;
    }
    
    .gallery {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    article h2 {
      font-size: 2rem;
    }
    
    article h3 {
      font-size: 1.5rem;
    }
    
    pre {
      padding: 15px;
      font-size: 0.9rem;
    }
  }