/*样式*/
.cx_nav ul li.on{border-bottom: 3px solid #00469a;}
.cx_nav ul li:hover{border-bottom: 3px solid #00469a;}
.cx_nav{width:71%;height:40px;line-height:40px;    margin: 0 auto;}
.cx_nav ul li{float:left;text-align:center;font-size:18px;margin:10px 33px;}

@media screen and (max-width: 640px)
 {

.cx_nav{width:auto;height:auto;line-height:auto;}
.cx_nav ul li{font-size:12px;width: 80%;}
.cx_nav ul li:hover{    border-bottom: 1px solid #00469a;}
.cx_nav ul li.on{    border-bottom: 1px solid #00469a;}
}
.people img{height:210px;object-fit: cover;}