:root {
  --primary-color: rgba(70, 130, 180, 0.8);
  --secondary-color: rgba(119, 136, 153, 0.8);
  --accent-color: #ff9800;
  --text-color: #333;
  --light-text: #fff;
  --glass-bg: rgba(255, 255, 255, 0.2);
  --glass-border: rgba(255, 255, 255, 0.18);
  --shadow-color: rgba(31, 38, 135, 0.37);
}

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

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

.header {
  text-align: center;
  margin-bottom: 40px;
  padding: 30px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  border: 1px solid var(--glass-border);
}

.header h1 {
  font-size: 2.5rem;
  margin: 0;
  color: var(--light-text);
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.notice {
  background: rgba(255,255,255,0.9);
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}

.article-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

article {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  border: 1px solid var(--glass-border);
  padding: 30px;
  margin-bottom: 30px;
}

article h2 {
  font-size: 1.8rem;
  color: var(--light-text);
  margin-top: 0;
  border-bottom: 2px solid var(--glass-border);
  padding-bottom: 10px;
}

article h3 {
  font-size: 1.5rem;
  color: var(--light-text);
  margin-top: 30px;
}

article p {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--light-text);
}

article span {
  font-weight: bold;
  color: var(--accent-color);
}

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

.gallery img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

.gallery img:hover {
  transform: scale(1.03);
}

pre {
  background: rgba(0,0,0,0.3);
  border-radius: 8px;
  padding: 15px;
  overflow-x: auto;
  margin: 20px 0;
  color: #f8f8f2;
  font-size: 0.9rem;
}

code {
  font-family: 'Courier New', monospace;
  background: rgba(0,0,0,0.2);
  padding: 2px 5px;
  border-radius: 3px;
  color: #f8f8f2;
}

.nav-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin: 30px 0;
}

.nav-links a {
  color: var(--light-text);
  text-decoration: none;
  padding: 10px 20px;
  background: rgba(255,255,255,0.1);
  border-radius: 25px;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-3px);
}

.footer {
  text-align: center;
  padding: 20px;
  margin-top: 50px;
  color: var(--light-text);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  
  article {
    padding: 20px;
  }
  
  .header h1 {
    font-size: 2rem;
  }
  
  article h2 {
    font-size: 1.5rem;
  }
  
  article h3 {
    font-size: 1.3rem;
  }
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes glow {
  0% { box-shadow: 0 0 10px rgba(255,152,0,0.5); }
  50% { box-shadow: 0 0 20px rgba(255,152,0,0.8); }
  100% { box-shadow: 0 0 10px rgba(255,152,0,0.5); }
}

.highlight {
  animation: glow 3s infinite;
}