.uc-rimm .t654_top{
    top: 74px;
}
@media screen and (max-width: 980px) {
.uc-rimm .t654_top{
    top: 94px;
    position: fixed;
}
}

@media screen and (max-width: 640px) {
    .uc-rimm .t654_top{
    position: static;
    }
}