.pro{padding: 0 11%;margin: 0 auto;}
.pro_contrnt p{text-indent: 2em;}
.pro_list li{width: 31%;text-align: center;float: left;margin: 1%;}
.pro_list li img{max-width: 100%}
.pro_img{width: 20%;float: left;text-align: left;}
.pro_img img{max-width: 100%;}
.pro_contrnt{width:75%;float: right;color: #f1d488;    line-height: 29px;}
.caidan .on{border:1px solid #F39800;color: #F39800;}