body {
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  background-color: #f9f9f9;
  color: #333;
}

h1, h2, h3, h4, h5 {
  color: #1a1a1a;
}

.navbar-brand {
  font-weight: 700;
  color: #004080 !important;
}

.nav-link.active {
  font-weight: 600;
  color: #004080 !important;
}

.btn-primary {
  background-color: #004080;
  border: none;
}

.btn-primary:hover {
  background-color: #002d5e;
}

footer {
  font-size: 14px;
}

.card {
  border-radius: 12px;
}

img.rounded.shadow {
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}