body{--f:1;min-width:1200px}.menu-content{cursor:pointer;position:relative}li{-webkit-tap-highlight-color:rgba(0,0,0,0)}
.c1{position:relative;height:100%;width:620px;margin:auto;top:0}.c2{display:inline-block;position:relative;margin-left:0;margin-top:0}