:root {
    --primary: #0D1B2A;
    --secondary: #1B263B;
    --accent: #00FF7F;
    --accent2: #8A2BE2;
    --text: #E0E1DD;
    --card-bg: rgba(13, 27, 42, 0.7);
  }

  @font-face {
    font-family: 'Roboto';
    src: url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
  }

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

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    padding: 0;
    margin: 0;
    min-height: 100%;
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }

  header {
    text-align: center;
    padding: 2rem 0;
    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(0,255,127,0.1) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    animation: pulse 15s infinite alternate;
  }

  @keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.3; }
    100% { transform: scale(1.1); opacity: 0.1; }
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  .notice {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: 8px;
    margin: 2rem auto;
    max-width: 800px;
    border: 1px solid rgba(255,255,255,0.2);
    text-align: center;
    box-shadow: 0 4px 30px rgba(0,0,0,0.1);
  }

  article {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
  }

  h2 {
    font-size: 1.8rem;
    margin: 1.5rem 0 1rem;
    color: var(--accent);
    position: relative;
    padding-bottom: 0.5rem;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    border-radius: 3px;
  }

  h3 {
    font-size: 1.4rem;
    margin: 1.2rem 0 0.8rem;
    color: var(--text);
  }

  p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
  }

  .image-card {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  }

  .image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,255,127,0.2);
  }

  .image-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px 12px 0 0;
  }

  .image-caption {
    padding: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
  }

  code {
    font-family: 'Roboto Mono', monospace;
    background: rgba(0,0,0,0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--accent);
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    overflow: hidden;
  }

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

  th {
    background: rgba(0,255,127,0.1);
    color: var(--accent);
  }

  tr:hover {
    background: rgba(255,255,255,0.05);
  }

  .nav-tabs {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .nav-tab {
    padding: 0.8rem 1.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    text-decoration: none;
    color: var(--text);
    border: none;
  }

  .nav-tab:hover {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,255,127,0.3);
  }

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

  .particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background-color: rgba(255,255,255,0.5);
    border-radius: 50%;
    animation: float 15s infinite linear;
  }

  @keyframes float {
    0% {
      transform: translate(0, 0);
      opacity: 0;
    }
    10% {
      opacity: 1;
    }
    90% {
      opacity: 1;
    }
    100% {
      transform: translate(100vw, -100vh);
      opacity: 0;
    }
  }

  @media (max-width: 768px) {
    .container {
      padding: 1rem;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
  }