#gotop {
    width: 40px;
    height: auto;
    z-index: 1021;
    position: fixed;
    bottom: 10%;
    left: 50%;
    margin-left: 500px;
    margin-bottom: 0px;
    border: 0px;
    background-color: transparent
}

#gotop a#goToBottom {
    border-radius: 5px 5px 0 0;
}

#gotop a#goTopBtn {
    border-radius: 0 0 5px 5px;
    border-bottom: 0px;
}

#gotop a {
    color: #a0a6ac;
    border: 0px;
    border-bottom: 1px solid #f0f3f9;
    font-size: 20px;
    background: #fff;
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
}

#gotop a:hover {
    color: #fff;
    background-color: #3291f6;
    text-decoration: none;
    border: 0px;
}

#gotop .weixin {
    position: relative;
}

#gotop .weixin .qrcode {
    position: absolute;
    top: -64px;
    right: 52px;
    width: 12rem;
    max-width: 12rem;
    height: 12rem;
    display: inline-block;
    vertical-align: middle;
    background: #fff;
    border: 5px #3291f6 solid;
    content: ".";
    transform: scale(0);
    transform-origin: top right;
    opacity: 0;
    -webkit-transition: all .4s ease-in-out;
    -o-transition: all .4s ease-in-out;
    transition: all .4s ease-in-out;
}

#gotop .weixin .qrcode .angle {
    width: 0;
    height: 0;
    border: 15px solid transparent;
    border-left-color: #3291f6;
    position: absolute;
    content: '';
    top: 40%;
}

#gotop .weixin:hover .qrcode {
    transform: scale(1);
    opacity: 1;
    z-index: 1022;
}

@media(max-width: 1024px) {
    #gotop {
        left: auto;
        right: 1%;
        margin-right: 5px;
        display:none;
    }

    #gotop a {
        color: #fff;
        background-color: #3291f6;
    }

    #gotop .weixin {
        display: none
    }
    #gotop a#goToBottom {
        border-radius: 5px 5px 0px 0px !important;
        background: rgb(108, 117, 125);
        color: #fff;
        width: 30px;
        height: 30px;
        line-height: 30px;
    }
    #gotop a#goTopBtn {
        border-radius: 0px 0px 5px 5px !important;
        background: rgb(108, 117, 125);
        color: #fff;
        width: 30px;
        height: 30px;
        line-height: 30px;
    }

    #gotop a#goTopBtn:link {
        text-decoration: none;
    }
}

@media(max-width: 768px),
@media(max-width:576px) {
    #gotop {
        left: auto;
        right: -3px;
        display:none;
    }

    #gotop a#goToBottom {
        border-radius: 5px 5px 0px 0px !important;
        background: rgb(108, 117, 125);
        color: #fff;
        width: 30px;
        height: 30px;
        line-height: 30px;
    }
    #gotop a#goTopBtn {
        border-radius: 0px 0px 5px 5px !important;
        background: rgb(108, 117, 125);
        color: #fff;
        width: 30px;
        height: 30px;
        line-height: 30px;
    }

    #gotop a#goTopBtn:link {
        text-decoration: none;
    }
}