.titlenav{width:100%;height:30px;line-height:30px;background:hsla(0,0%,50.2%,.14)}.flex{display:-ms-flexbox;display:flex}.txt1{margin-left:2%;color:rgba(16,142,226,.96);cursor:pointer}.txt1:hover{border-bottom:1px solid rgba(16,142,226,.96)}.qxbox{margin:20px}.smtxt{line-height:28px;margin-left:2%}.xx{border:1px dashed hsla(0,0%,50.2%,.14);width:95%;margin:auto}.active{color:rgb(24 23 23/40%)}