/* .user_top_bg {
    background-image:url(https://sf3-scmcdn-tos.pstatp.com/obj/goofy/xigua_fe/xigua_video_web_pc/static/media/bg.5cbd1147.png)!important;
    position:absolute!important;
    left:0px;
    width:100%;
    z-index:0!important;
}
.user_top_bg > .px-4 {
    width:1150px;
    margin:0 auto!important;
}
.user_top_nav {
    top:210px;
}
.bottom_content {
    margin-top:220px;
} */