.online_kefu {
    position: fixed;
    bottom: 10vh;
    right: 1%;
    z-index: 9;
}

.online_kefu ul li {
    border: 1px solid #efefef;
    list-style-type: none;
    width: 50px;
    height: 60px;
    padding-top: 7px;
    text-align: center;
    position: relative;
    background-color: #fff;
    color: #666666;
    cursor: pointer;
    transition: background-color .2s linear 0s;
    perspective: 1000;
    transform-style: preserve-3d;
}

.online_kefu li i {
    font-size: 20px;
}

.online_kefu ul li a {
    color: #666666;
}

.online_kefu ul li .con {
    position: relative;
    line-height: 25px;
}

.online_kefu ul li .hover_con {
    border-radius: 3px;
    position: absolute;
    left: -200px;
    left: -100px;
    width: 120px;
    color: #ffffff !important;
    text-align: center;
    background-color: #c00505;
    height: 40px;
    line-height: 40px;
    bottom: 7px;
    transform: rotateX(-90deg);
    transition: all .2s linear 0s;
}

.online_kefu ul li .hover_con img {
    width: 100px;
}

.online_kefu ul li.qrcode {}

.online_kefu ul li.qrcode .hover_con {
    height: 137px;
    padding: 10px;
    width: 130px;
    left: -141px;
}

.online_kefu ul li.qrcode .hover_con p {
    color: #fff;
    line-height: 24px;
}

.online_kefu li:hover {
    background-color: #c00505;
    color: #fff;
    border: 1px solid #c00505;
}

.online_kefu li:hover i {
    color: #fff;
}

.online_kefu li:hover span {
    color: #fff;
}

.online_kefu li:hover p a {
    color: #fff;
}

.online_kefu li:hover .hover_con {
    left: -130px;
    transform: rotateY(0deg);
}

.online_kefu li .hover_con:before {
    width: 0px;
    height: 0px;
    border: 8px solid transparent;
    border-left: 8px solid #c00505;
    display: block;
    content: '';
    position: absolute;
    top: 12px;
    right: -16px;
    transition: top .2s linear;
    transition-delay: .1s;
}

.online_kefu li.qrcode:hover .hover_con {
    bottom: -55px;
}

.online_kefu li.qrcode:hover .hover_con:before {
    top: 48px;
}

.mobile_mob {
    display: none !important;
}

@media (max-width: 1500px) {
    .online_kefu {
        display: none;
    }
}