.buy_navlist {
    top: 48px;
    left: 240px;
    min-height: 160px;
    min-width: 220px;
}
.trad_navlist {
    top: 48px;
    left: 440px;
    min-height: 100px;
}
.service_navlist {
    top: 48px;
    left: 715px;
    min-height: 50px;
}
.dd_list {
    top: 48px;
    right: 50px;
}
.yh_list {
    min-width:200px;
    top: 48px;
    right:30px;
}
.yy_list {
    min-width:120px;
    top:48px;
    right: 15px;
}