:root {
    --primary-bg: #1E1E1E;
    --secondary-bg: #2E2E2E;
    --accent-1: #00FFA3;
    --accent-2: #7B61FF;
    --text-main: #FFFFFF;
    --text-secondary: #CCCCCC;
    --card-bg: #2A2A2A;
    --border-radius: 12px;
    --transition: all 0.3s ease;
  }

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

  body {
    background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg);
    color: var(--text-main);
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    padding-top: 80px;
    min-height: 100%;
  }

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

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-family: 'Roboto Bold', sans-serif;
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
  }

  .notice {
    background: linear-gradient(90deg, rgba(123, 97, 255, 0.2), rgba(0, 255, 163, 0.2));
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 30px 0;
    text-align: center;
    border-left: 4px solid var(--accent-1);
  }

  article {
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  h2, h3 {
    font-family: 'Roboto Bold', sans-serif;
    margin: 25px 0 15px;
    position: relative;
  }

  h2 {
    font-size: 1.8rem;
    color: var(--accent-1);
  }

  h3 {
    font-size: 1.4rem;
    color: var(--accent-2);
  }

  p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--text-secondary);
  }

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

  .image-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 255, 163, 0.2);
  }

  .image-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }

  .image-caption {
    padding: 15px;
    text-align: center;
  }

  pre {
    background: #2A2A2A;
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border-left: 4px solid var(--accent-2);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent-1);
  }

  .code-block {
    position: relative;
  }

  .code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 163, 0.05), rgba(123, 97, 255, 0.05));
    border-radius: var(--border-radius);
    pointer-events: none;
  }

  .nav-links {
    display: flex;
    gap: 20px;
  }

  .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
  }

  .nav-links a:hover {
    color: var(--accent-1);
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-1);
    transition: var(--transition);
  }

  .nav-links a:hover::after {
    width: 100%;
  }

  .section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 163, 0.3), transparent);
    margin: 40px 0;
  }

  .floating-decoration {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(123, 97, 255, 0.1), transparent 70%);
    z-index: -1;
  }

  .decoration-1 {
    top: 10%;
    left: 5%;
  }

  .decoration-2 {
    bottom: 10%;
    right: 5%;
  }

  @media (max-width: 768px) {
    .header-content {
      flex-direction: column;
      gap: 15px;
    }

    .nav-links {
      flex-wrap: wrap;
      justify-content: center;
    }

    article {
      padding: 25px;
    }

    .image-grid {
      grid-template-columns: 1fr;
    }
  }