.banner{width:100%;height:555px;overflow:hidden;background:url(../images/banner.jpg) center no-repeat;margin:0 auto}.qj{width:100%;height:auto;overflow:hidden;background:url(../images/bg.jpg) center no-repeat}#select_box{margin:0 auto;height:175px;background:url(../images/select_boxbg.jpg) center no-repeat;width:100%}.pic{height:auto;overflow:hidden;width:900px;margin-left:auto;margin-right:auto;text-align:center}.five{clear:both;text-align:center}.content{margin:0 auto;width:985px;overflow:hidden;padding-top:30px;font-family:"微软雅黑"}.bg1{background:url(../images/bg1.jpg) center no-repeat;height:322px}.bg2{background:url(../images/bg2.jpg) center no-repeat;height:149px}.bg3{background:url(../images/bg3.jpg) center no-repeat;height:462px}.bg4{background:url(../images/bg4.jpg) center no-repeat;height:442px}.bg5{background:url(../images/bg5.jpg) center no-repeat;height:142px}.bg6{background:url(../images/bg6.jpg) center no-repeat;height:318px}.bg7{background:url(../images/bg7.jpg) center no-repeat;height:232px}