:root {
    --primary: linear-gradient(135deg, #1e3c72, #2a5298, #6a11cb);
    --secondary: rgba(255, 255, 255, 0.1);
    --accent: #ff7e5f;
    --text: #f8f9fa;
    --card-bg: rgba(30, 60, 114, 0.6);
  }

  @font-face {
    font-family: 'Roboto';
    src: url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap');
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.8;
    color: var(--text);
    background: var(--primary);
    background-attachment: fixed;
    overflow-x: hidden;
  }

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

  .header {
    text-align: center;
    padding: 60px 0 40px;
    position: relative;
    overflow: hidden;
  }

  .header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(106,17,203,0.3) 0%, rgba(30,60,114,0) 70%);
    z-index: -1;
  }

  h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #feb47b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
  }

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

  .notice {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(5px);
    padding: 15px;
    border-radius: 8px;
    margin: 20px auto;
    max-width: 600px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  .content-grid {
    display: grid;
    grid-template-columns: minmax(300px, 1fr);
    gap: 40px;
    margin: 60px 0;
  }

  article {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
  }

  h2 {
    font-size: 2rem;
    margin: 30px 0 20px;
    color: #feb47b;
    position: relative;
    padding-bottom: 10px;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, #feb47b, #ff7e5f);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.5rem;
    margin: 25px 0 15px;
    color: #fff;
  }

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

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow: auto;
    border-left: 4px solid #6a11cb;
  }

  code {
    font-family: 'Roboto Mono', monospace;
    color: #feb47b;
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
  }

  .decor-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
  }

  .decor-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.3);
  }

  .nav-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
  }

  .nav-link {
    padding: 12px 24px;
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.2);
  }

  .nav-link:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
  }

  .footer {
    text-align: center;
    padding: 40px 0;
    margin-top: 60px;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(5px);
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 2.2rem;
    }
    
    h2 {
      font-size: 1.8rem;
    }
    
    article {
      padding: 30px 20px;
    }
    
    .content-grid {
      gap: 30px;
    }
  }