锘?bg {
    margin-top:80px;height:357px;z-index:-1;position:relative;
}
.bg > div{
    background-image:url(/images/about/structure_banner.jpg);  top: 0; left: 0; height: 100%; width: 100%; background-position: center 80px; background-repeat: no-repeat; background-attachment: fixed;  zoom: 1;
}

.line {
    width:100%;
}
.line.bg1 {
    background:#fff;padding:30px 0 65px;
}
.line.bg1 .title{
    text-align:center;background:url(/images/about/structure_tt.jpg) no-repeat center center;width:100%;height:75px;margin-bottom:50px;
}
.line.bg1 .img{
    text-align:center;
}
.line.bg1 .img img{
    width:100%;
}