.main{position: relative;z-index: 2;}
.main .logo{background: url("../images/icon_logo.png") no-repeat;width: 114px;height: 39px;background-size: 114px 39px;margin-top: 10px;margin-right: 15px;}
.main .bg{position: relative;z-index: -1;height: 75px;width: 100%;}
.main .bg1{background: url("../images/icon_bg1.jpg") no-repeat;background-size: 360px 75px;}
.main .bg2{background: url("../images/icon_bg2.jpg") no-repeat;background-size: 360px 75px;}
.main .bg3{background: url("../images/icon_bg3.jpg") no-repeat;background-size: 360px 75px;}
.main .bg4{background: url("../images/icon_bg4.jpg") no-repeat;background-size: 360px 75px;}
.main .bg5{background: url("../images/icon_bg5.jpg") no-repeat;background-size: 360px 75px;}
.main .bg6{background: url("../images/icon_bg6.jpg") no-repeat;background-size: 360px 75px;}
.main .bg7{background: url("../images/icon_bg7.jpg") no-repeat;background-size: 360px 75px;}
.main .bg8{background: url("../images/icon_bg8.jpg") no-repeat;background-size: 360px 75px;}
.main .bg9{background: url("../images/icon_bg9.jpg") no-repeat;background-size: 360px 75px;}
.main .bg10{background: url("../images/icon_bg10.jpg") no-repeat;background-size: 360px 75px;}
.main .bg11{background: url("../images/icon_bg11.jpg") no-repeat;background-size: 360px 75px;}
.main .bg12{background: url("../images/icon_bg12.jpg") no-repeat;background-size: 360px 75px;}
.main .bg13{background: url("../images/icon_bg13.jpg") no-repeat;background-size: 360px 75px;}
.main .bg14{background: url("../images/icon_bg14.jpg") no-repeat;background-size: 360px 75px;}
.main .bg15{background: url("../images/icon_bg15.jpg") no-repeat;background-size: 360px 75px;}
.main .bg16{background: url("../images/icon_bg16.jpg") no-repeat;background-size: 360px 75px;}
.main .bg17{background: url("../images/icon_bg17.jpg") no-repeat;background-size: 360px 75px;}
.main .bg18{background: url("../images/icon_bg18.jpg") no-repeat;background-size: 360px 75px;}
.main .bg19{background: url("../images/icon_bg19.jpg") no-repeat;background-size: 360px 75px;}
.main .bg20{background: url("../images/icon_bg20.jpg") no-repeat;background-size: 360px 10px;height: 10px;}
.main .weixin{width: 149px;height: 149px;position: absolute;bottom: 129px;left: 50%;margin-left: -75px;}
.main .weixin img{width: 100%;height: 100%;}
.main .backTop{background: url("../images/icon_banktop.png") no-repeat;width: 95px;height: 18px;background-size: 95px 18px;position: absolute;bottom: 14px;left: 50%;margin-left: -47px;display: block;}