.con,.con ul{height: 100%;}
.con li .tit a{max-width: 100%;}
.con li .tit a i{vertical-align: top;margin-top: 3px;}
.con li .tit a span{max-width: 95%;}

@media screen and (max-width:1500px){
    .con li .tit a span{max-width: 85%;}
}
@media screen and (max-width:450px){
    .con,.con ul{height: 100%;}
    .con li .tit a span{max-width: 90%;}
    .leftnav{width: 100%;height: 250px;}
    .rightmap{width: 100%;height: 100vw;}
}