@media only screen and (min-width: 769px){
    .p1744mf98ba6edba5d459d .xg_downa span{
        padding-left: 45px;
        background: url(https://0.rc.xiniu.com/g4/M00/A7/21/CgAG0mU12eeAJJ-pAAAVdZyh8zI327.png) center left no-repeat;
        background-size: 25px 25px;  
    }
}



@media only screen and (max-width: 768px){
     .p1744mf98ba6edba5d459d .xg_downa span{
        padding-left: 30px;
        background: url(https://0.rc.xiniu.com/g4/M00/A7/21/CgAG0mU12eeAJJ-pAAAVdZyh8zI327.png) center left no-repeat;
        background-size: 20px 20px;  
    }
    
}