.fix{z-index:999;position:fixed;width:1440px;bottom:0;left:50%;transform:translateX(-50%);transition:all .5s;}
.fix.width{width:100%;}
.fix .ctt{display:flex;}
.fix ul{display:flex;width:calc(100% - 86px);height:100%;}
.fix ul li{width:25%;position:relative;}
.fix ul li:after{position:absolute;top:50%;transform:translateY(-50%);right:0;width:2px;height:14px;background:rgba(255,255,255,0.3);content:"";}
.fix ul li:last-child:after{display:none;}
.fix ul li a{display:flex;width:100%;justify-content:center;align-itesm:center;padding:30px 0;align-items:center;font-size:16px;color:#fff;}
.fix ul li img{width:18px;margin-right:12px;}
.top{width:86px;display:flex;align-items:Center;justify-content:center;background:#c4e5ff}
.top img{width:15px;}
.m_fix{display:none;}
.mb_arrow_top{display:none;}

@media screen and (max-width:768px){
  .fix{display:none}
  .m_fix{z-index:9999999;display:block;position:fixed;width:100%;left:0;bottom:0;}
  .m_fix ul{width:100%;margin:0 auto;display:flex;}
  .m_fix ul li{width:20%;}
  .m_fix ul li a{display:block;padding:10px 0;}
  .m_fix ul li img{height:20px;margin:0 auto;display:block;}
  .m_fix ul li span{display:block;text-align:center;margin-top:5px;font-size:11.5px;font-weight:400;color:#fff;}
  .m_tell{position:relative;top:-4px;}
  .m_tell div{width:55px;height:55px;margin:0 auto;background: #fff; border-radius: 100px;position:relative;margin-top:-30px;display: flex;align-items: center;justify-content: center;border:3px solid #002856}
  .m_tell img{height:35px !important}
  .mb_arrow_top{display:block;position:fixed;bottom:90px;right:20px;width:50px;height:50px;background:red;border-radius:60px;cursor:pointer;display:flex;align-items:center;justify-content:center;background:#fff;z-index:9999;border:1px solid #154194;}
  .mb_arrow_top img{width:11px;}
}