.go-top {
    position: fixed;
    bottom: 40px;
    right: 20px;
    width: 46px;
    z-index: 999;
}

.go-top .bdsharebuttonbox a {
    display: block;
    width: 46px;
    height: 46px;
    margin-bottom: 10px;
    background-image: url(../images/go-top.png);
}

.go-top .bdsharebuttonbox a:last-child {
    margin-bottom: 0;
}

.go-top .bdsharebuttonbox .go {
    background-position: 0 -150px;
}

.go-top .bdsharebuttonbox .go:hover {
    background-position: 0 -250px;
}

.go-top .bdsharebuttonbox .feedback {
    background-position: 0 -100px;
}

.go-top .bdsharebuttonbox .feedback:hover {
    background-position: 0 -300px;
}

.go-top .bdsharebuttonbox .uc-2vm {
    background-position: 0 -50px;
}

.go-top .bdsharebuttonbox .uc-2vm:hover {
    background-position: 0 -200px;
}
.go-top .bdsharebuttonbox .btn_radio {
    background-position: 0 0px;
}

.go-top .bdsharebuttonbox .btn_radio:hover {
    background-position: 0 -350px;
}

.bds_weixin {
    width: 46px;
    height: 46px;
    display: block;
}