/* 1. 默认隐藏子菜单 */
    #superfish-1 li{
				
        padding-bottom: 10px;
    }

    #superfish-1 li.menuparent ul.sub-menu {
         
            position: absolute; /* 绝对定位，不撑开父级高度 */
          z-index: 999;
  }

/* 2. 鼠标悬停父级 li 时，显示子菜单 */
#superfish-1 li:hover > ul.sub-menu {
display: block !important;     /* 悬停时显示 */
}