body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #0047AB, #6A5ACD);
  color: #fff;
  overflow-x: hidden;
  animation: aurora-move 15s linear infinite;
}
@keyframes aurora-move {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
header {
  text-align: center;
  padding: 60px 20px;
  background: rgba(0, 71, 171, 0.8);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
header h1 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 10px;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}
header p {
  font-size: 1.2rem;
  opacity: 0.9;
}
.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}
.card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.card h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #FFA500;
}
.card p {
  font-size: 1rem;
  line-height: 1.6;
  color: #fff;
}
article {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
  padding: 30px;
  margin-top: 40px;
}
article h2 {
  font-size: 2rem;
  color: #FFD700;
  margin-bottom: 20px;
}
article p, article table {
  font-size: 1rem;
  color: #fff;
  line-height: 1.8;
}
pre {
  background: rgba(0, 0, 0, 0.8);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}
code {
  color: #00FF00;
  font-family: 'Courier New', monospace;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
th, td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: left;
}
th {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
button {
  background: linear-gradient(135deg, #0047AB, #6A5ACD);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}
button:hover {
  background: linear-gradient(135deg, #6A5ACD, #0047AB);
}
@media (max-width: 768px) {
  header h1 {
    font-size: 2.2rem;
  }
  .card {
    padding: 15px;
  }
  pre {
    font-size: 0.9rem;
  }
}