:root {
    --primary-color: #0D47A1;
    --secondary-color: #8E24AA;
    --accent-color: #00E676;
    --dark-bg: #121212;
    --light-text: #FFFFFF;
    --font-main: 'Roboto', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
  }

  @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&family=Roboto:wght@300;400;500&display=swap');

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

  body {
    font-family: var(--font-main);
    color: var(--light-text);
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1A237E 100%);
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  header {
    background: rgba(13, 71, 161, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

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

  .logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .notice {
    background: rgba(0, 230, 118, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 15px;
    margin: 30px 0;
    font-size: 16px;
  }

  article {
    padding: 60px 0;
  }

  h2 {
    font-family: var(--font-heading);
    font-size: 32px;
    margin-bottom: 30px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    padding-bottom: 15px;
  }

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

  h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    margin: 40px 0 20px;
    color: var(--accent-color);
  }

  p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.8;
  }

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

  .image-card {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
  }

  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  }

  .image-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
  }

  .image-card:hover img {
    transform: scale(1.05);
  }

  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: auto;
    border-left: 4px solid var(--accent-color);
    font-size: 15px;
    line-height: 1.5;
  }

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

  .nav-links {
    display: flex;
    gap: 30px;
  }

  .nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
  }

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

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
  }

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

  .content-block {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    margin: 50px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
  }

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

  th {
    background: rgba(13, 71, 161, 0.5);
    font-weight: 500;
  }

  tr:hover {
    background: rgba(255, 255, 255, 0.03);
  }

  @media (max-width: 768px) {
    .image-grid {
      grid-template-columns: 1fr;
    }
    
    h2 {
      font-size: 28px;
    }
    
    h3 {
      font-size: 22px;
    }
    
    .content-block {
      padding: 30px;
    }
  }

  @media (max-width: 480px) {
    .header-content {
      flex-direction: column;
      gap: 20px;
    }
    
    .nav-links {
      flex-direction: column;
      gap: 15px;
      text-align: center;
    }
    
    h2 {
      font-size: 24px;
    }
    
    h3 {
      font-size: 20px;
    }
    
    .content-block {
      padding: 20px;
    }
  }

  .floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.2) 0%, rgba(0, 230, 118, 0) 70%);
    border-radius: 50%;
    filter: blur(20px);
    z-index: -1;
    animation: float 8s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% {
      transform: translate(0, 0);
    }
    50% {
      transform: translate(20px, 20px);
    }
  }

  .scroll-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
  }

  .scroll-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
  }

  .scroll-dot.active {
    background: var(--accent-color);
    transform: scale(1.3);
  }

  footer {
    background: rgba(13, 71, 161, 0.2);
    padding: 30px 0;
    text-align: center;
    margin-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }