@media screen and (max-width:768px) {
    /* 列表内容 */
    .mid{width:calc(100% - 11px); height:auto; padding: 0 5px;}
    .mid_content{width:100%; height:auto;}
    .mid_left {width:100%; float:none; display:inline;}
    .mid_left .box{width:100%; height:auto !important;float:none;}
    .mid_right {width:100%; height:auto; float:none;  margin-left:0;}
    .mid_right .box{width:100%; height:210px;float:none;}
    .list_contnet{ width:auto; height:auto !important;}
}