body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  background: #f8f9fa;
}

.bg-primary {
  background-color: #1a237e !important;
}

.text-primary {
  color: #1a237e !important;
}

.btn-primary {
  background-color: #1a237e;
  border: none;
}

.btn-primary:hover {
  background-color: #3949ab;
}

.btn-warning {
  background-color: #ffc107;
  color: #1a237e;
  border: none;
}

.btn-warning:hover {
  background-color: #ffb300;
  color: #fff;
}

.banner {
  min-height: 60vh;
  background: linear-gradient(rgba(26,35,126,0.7), rgba(26,35,126,0.7)), url('../img/banner.jpg') center/cover no-repeat;
}

.service-card {
  border-top: 4px solid #ffc107;
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(26,35,126,0.15);
}
.service-icon {
  font-size: 2.5rem;
  color: #ffc107;
}

footer {
  background: #1a237e;
}

.card {
  border-radius: 1rem;
}

.navbar {
  background: #1a237e !important;
}

.nav-link.active, .nav-link:focus, .nav-link:hover {
  color: #ffc107 !important;
}