.buy_navlist {
    top: 48px;
    left: 280px;
    min-height: 160px;
    min-width: 180px;
}
.trad_navlist {
    top: 48px;
    left: 460px;
    min-height: 100px;
}
.service_navlist {
    top: 48px;
    left: 735px;
    min-height: 50px;
    min-width: 160px;
}
.dd_list {
    top: 48px;
    right: 50px;
}
.yh_list {
    min-width:200px;
    top: 48px;
    right:30px;
}
.yy_list {
    min-width:120px;
    top:48px;
    right: 15px;
}