._grouplist ul{
    padding-bottom: 4%;
}
._grouplist ul li{
    width: 28%;
    float: left;
    margin: 4% 0 0 4%;
    border: 0 none;
}
._grouplist ul li .group_cover img{
    width: 100%;
    height: 150px;
}
._grouplist ul li h2,._grouplist ul li p{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}

.top_group li img{
    width: 100%;
    height: 165px;
}
.top_group li p{
    font-size: 112%;
    height: 32px;
    line-height: 32px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space:nowrap;
}
@media screen and (max-width:750px){
    ._grouplist ul li{
        width: 92%;
        float: left;
        margin: 4% 0 0 4%;
        border: 0 none;
    }
}
@media screen and (max-width:480px){
    .bl_tab {
        width: 100%;
        height:86px;
        line-height:86px;
        border-bottom: 2px solid #999;
        overflow: hidden;
    }
}