/* 下拉菜单 */
.dropdown {
  position: relative; 
}

.dropdown-content {
  display: none;
  position: absolute; 
  min-width: 100px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  z-index: 1;
  padding: 15px 0;
}

.dropdown-content a {
  color: white;
  padding: 10px 20px;
  display: block;
  font-size: 14px;
}

.dropdown-content a:hover { 
  color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
  display: block;
}