.content{width: 760px;margin: 0 auto;}
.content .phone{width:100%;height:435px;background-image: url(../images/aiwuxian.jpg);margin: 0 auto;overflow: hidden;}
.content .phone .phone_box .phone_img{display:block;width: 226px;height: 338px; background-image: url(../images/rm-phone-bg.png);margin-top: 140px;background-repeat: no-repeat;}
.content .phone .phone_box .phone_img li{float:left;margin-left: 38.5px;margin-top:35px;display: none;}
.content .nav{width: 100%;height: 140px;}
.content .nav ul li{float: left;height:125px;margin: 10px 10px;}
.content .nav ul li img{cursor: pointer;}
.content .nav ul li span{display:block;width: 169px;color: grey;font-size: smaller;font-family: "微软雅黑";}