/* 全局样式已内联到HTML中 */
body.ui-style-3 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

a { transition: color 0.3s ease; }
a:hover { opacity: 0.8; }

@media (max-width: 768px) {
  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.2rem !important; }
  section { padding: 1rem !important; }
}