@media screen and (min-width: 1230px) {
        .ly_about_31 .section .list_box .item.About-1 {width: calc((100% - 24%) / 3);}
        .ly_about_31 .section .list_box .item.About-3 {width: calc((100% - 32%) / 3);margin-left: 40px;}
    }
    @media screen and (max-width: 1230px) and (min-width: 1000px){
        .ly_about_31 .section .list_box .item.About-1 {width: calc((100% - 40%) / 3);}
        .ly_about_31 .section .list_box .item.About-3 {width: calc((100% - 32%) / 3);margin-left: 60px;}
    }