:root {
    --primary-color: #0d47a1;
    --secondary-color: #6a1b9a;
    --accent-color: #ff9800;
    --text-color: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

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

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

  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 71, 161, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

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

  .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
  }

  .notice {
    background: rgba(255, 152, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 152, 0, 0.3);
    text-align: center;
  }

  .hero {
    padding: 120px 0 60px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #ffffff, #ff9800);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    max-width: 800px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
  }

  .hero-images {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 40px;
  }

  .hero-image {
    width: 320px;
    height: 320px;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
  }

  .hero-image:hover {
    transform: translateY(-10px);
  }

  .content-section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
  }

  article {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: var(--card-shadow);
  }

  article h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-color);
  }

  article h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: #ffffff;
  }

  article 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 var(--accent-color);
  }

  code {
    font-family: 'Courier New', monospace;
    color: #ff9800;
  }

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

  .grid-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
  }

  .grid-image:hover {
    transform: scale(1.03);
  }

  .footer {
    background: rgba(13, 71, 161, 0.8);
    backdrop-filter: blur(10px);
    padding: 30px 0;
    margin-top: 60px;
  }

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

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

  .footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
  }

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

  @media (max-width: 768px) {
    .hero h1 {
      font-size: 2rem;
    }
    
    .hero-images {
      flex-direction: column;
      align-items: center;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
    
    .footer-content {
      flex-direction: column;
      gap: 20px;
    }
  }

  /* Particle animation */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
  }

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

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

  /* Glass card effect */
  .glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  }

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

  .nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 4px;
  }

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

  /* Code block styling */
  .language-css {
    display: block;
    white-space: pre;
    font-family: 'Courier New', monospace;
    line-height: 1.5;
  }

  /* Responsive adjustments */
  @media (max-width: 480px) {
    article {
      padding: 20px;
    }
    
    .hero {
      padding: 100px 0 40px;
    }
    
    .section-title {
      font-size: 1.5rem;
    }
  }