jquery 实现两级导航菜单附效果图

#nav .nav_list a span {
display:inline-block;
border-radius: 8px;
border-radius: 8px;
}
#nav .nav_list a:hover, #nav .nav_list a.select {
position:relative; z-index:9;
text-decoration:none;
border-radius: 8px;
border-radius: 8px;
}
#nav .nav_list a:hover, #nav .nav_list a:hover span {
background-color: #007d65;
color: #fff;
}
#nav .nav_list a.select, #nav .nav_list a.select span {
background-color: #fff;
color: #ca0000;
}

3. 效果图