@media screen and (max-width:750px){
    .header_nav{
        display: none;
    }
    .nav_wrap,.nav,.software_wrap,.software_nav,.software_right,.sort_right{
        width: 100%;
    }
    .software_nav .all img{
        margin-left: 10px;
    }
    .software_nav ul{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding-bottom: 15px;
    }
    .software_nav ul li {
        width:30%;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
    }
    .software_nav ul li span{
        margin-left: 10px;
    }
    .software_right{
        margin: 20px 0;
    }
    .software_box ul li{
        width:100%;
        display: flex;
        height: auto;
    }
    .software_box ul li .soft_li .sofl_txt{
        width:100%;
    }
    .software_box ul li .soft_li .down{
        height: 22px;
        line-height: 22px;
        top: 18px;
        right: 2%;
    }
    .mess_tip{
        display: flex;
        flex-wrap: wrap;
    }
     .mess_tip span{
         margin: 5px 0;
     }
     #demo0 .pagination{
         display: flex;
         flex-wrap: wrap;
         justify-content: center;
     }
     #demo0 .pagination li{
         padding: 0;
         width: 30px;
         margin:8px 10px ;
         padding: 4px 0;
     }
     .software_re{
         width: 100%;
     }
     .software_re ul{
         display: flex;
         flex-wrap: wrap;
         justify-content: space-around;
     }
     .software_re ul li {
         list-style: none;
         width: 48%;
     }
     .software_re ul li .name{
         width: 65%;
     }
     .software_re ul li span{
         display: none;
     }
     .software_re ul li .down{
         margin-left: 5px;
     }
}