:root {
  --primary: #1e3c72;
  --secondary: #2a5298;
  --accent: #ff7e5f;
  --text: #ffffff;
  --text-secondary: #dddddd;
  --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), var(--secondary));
  color: var(--text);
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.header {
  position: relative;
  padding: 2rem 0;
  text-align: center;
  background: linear-gradient(45deg, var(--accent), #feb47b);
  margin-bottom: 3rem;
  border-radius: 0 0 20px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.header h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.notice {
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
  margin: 2rem auto;
  text-align: center;
  max-width: 800px;
  backdrop-filter: blur(5px);
}

article {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 3rem;
  margin: 2rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
}

article h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
  position: relative;
  padding-bottom: 10px;
}

article h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--accent);
}

article h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--text);
}

article p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.image-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.image-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.image-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 15px 15px 0 0;
}

.image-caption {
  padding: 1.5rem;
  text-align: center;
}

pre {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  overflow: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  border-left: 4px solid var(--accent);
}

code {
  font-family: 'Courier New', monospace;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  justify-content: center;
  margin: 3rem 0;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-link {
  padding: 0.8rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 30px;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
  font-weight: 500;
}

.nav-link:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer {
  text-align: center;
  padding: 3rem 0;
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.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: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: move 10s linear infinite;
}

@keyframes move {
  from {
    transform: translateY(0) translateX(0);
  }
  to {
    transform: translateY(-100vh) translateX(100vw);
  }
}

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

@media (max-width: 480px) {
  article {
    padding: 1.5rem;
  }
  
  .header h1 {
    font-size: 1.8rem;
  }
  
  pre {
    padding: 1rem;
    font-size: 0.8rem;
  }
}