.pc_fix{z-index:9999;position:fixed;bottom:50px;right:50px;}
.pc_fix ul{padding:10px 0;background:#fff;box-shadow:0 0 20px rgba(0,0,0,0.1);overflow:hidden;}
.pc_fix ul li{padding:0 10px;border-radius:5px;overflow:hidden;transition:all .5s;position:relative;}
.pc_fix ul li a{padding:15px 10px;border-bottom:1px solid #e9e9e9;display:flex;align-items:center;justify-content:center;flex-direction:column;width:100%;height:100%;margin:0 auto;}
.pc_fix ul li:last-child a{border:0;}
.pc_fix ul li p{display:block;text-align:center;margin-top:7px;font-size:12px;font-weight:600;}
.pc_fix ul li img{display:block;width:20px;margin:0 auto;}
.top{box-shadow:0 0 20px rgba(0,0,0,0.1);padding:25px 0;background:#fff;margin-top:15px;cursor:pointer;}
.top img{width:30px;margin:0 auto;display:block;}

.m_fix{display:none;}

@media screen and (max-width:799px){
  .pc_fix{display:none}
  .m_fix{z-index:9999;display:block;position:fixed;width:100%;left:0;bottom:0;}
  .m_fix ul{width:100%;background:#fff;margin:0 auto;display:flex;box-shadow:0 0 10px rgba(0,0,0,0.3)}
  .m_fix ul li{width:20%;}
  .m_fix ul li a{display:block;padding:12px 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:7px;font-size:11.5px;font-weight:bold;}
  .m_fix ul li.m_tell a{padding:0 !Important;display:flex;align-items:center;justify-content:center;height:100%}
  .m_tell img{height: 30px !important;}
}