body.ui-style-1 {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

main {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.container > section {
  animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

h1, h2, h3 {
  color: #1e293b;
  font-weight: 600;
}

a {
  transition: color 0.3s, transform 0.2s;
}

a:hover {
  color: #667eea;
}

@media (max-width: 768px) {
  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.2rem !important; }
  .container { padding: 20px 15px !important; }
}