#back_top {position: fixed;right: 0px;width: 48px;height: 48px;text-align:center; background-color: #323232; border-radius: 50%; bottom: 135px;z-index: 97;display: none;}
#back_top a {display: inline-block;background-image: url("top.svg"); background-size: 100% 100%; width: 20px;height: 20px; margin-top: 15px;}
.Fast_contact ul{list-style: none;}
.Fast_contact {position: fixed;right: 0;top: 45%;z-index: 1001}
.Fast_contact ul li.onlineservice_li {width: 48px;height: 48px;position: relative;text-align: center;margin-bottom: 5px;background-color: #323232;border-radius: 50%;}
.Fast_contact ul>li.onlineservice_li>a {display: inline-block;width: 28px;height: 28px;margin-top: 10px;background-size: 100% 100%;}
.Fast_contact ul>li:hover .onlineservice_tips {-webkit-transform: rotateX(0);transform: rotateX(0)}
.onlineService_tel {background-image: url("tel.svg");}
.onlineService_whatsApp {background-image: url("whatsapp.svg");}
.onlineService_email {background-image: url("mail.svg");}
.onlineService_facebook{background-image: url("face.svg");}
.onlineService_wechat {background-image: url("weixin.svg");}
.for_wechat span {display: block;text-align: center}
.onlineservice_tips {padding: 5px 8px;background-color: #fff;border: 1px solid #ccc;border-radius: 4px;position: absolute;right: 58px;top: 6px;-webkit-transform: rotateX(90deg);transform: rotateX(90deg);-webkit-transition: all .4s;transition: all .4s}
.onlineservice_tips span{font-size: 14px;}
.onlineservice_tips li {width: auto;height: auto;white-space: nowrap}
.onlineservice_tips li a {display: block;min-height: 22px;text-align: center;line-height: 22px;font-size: 14px; font-weight: 600;}
.onlineservice_tips li a.for_wechat {height: auto}
.onlineservice_tips li a.for_wechat img {max-width: 100px}
.onlineservice_tips:after {content: "";display: inline-block;width: 10px;height: 10px;border: 1px solid #ccc;border-color: transparent #ccc #ccc transparent;-webkit-transform: rotate(-45deg);transform: rotate(-45deg);position: absolute;right: -6px;top: 10px;background-color: #fff;transition: all .3s;}
.Fast_contact ul>li:hover .onlineservice_tips:after {border: 1px solid #ccc;border-color: transparent #ccc #ccc transparent;background-color: #fff;transition: all .3s;}
.f_follow_service {margin-top: 0}
.f_follow_service a {display: inline-block;margin: 1px;text-align: center}
.f_follow_service a span {display: inline-block;width: 32px;height: 32px;vertical-align: middle;transition: all .3s}
@media only screen and (max-width:768px){
#back_top {bottom: 10%;}
.Fast_contact {top: 45%;}
}