@media screen and (max-width:500px) {
    .lm-main{
        width: 95%;
        min-height: 800px;
        margin: 0 auto;
        margin-top: 20px;
        margin-bottom: 44px;
        
    }
}
@media screen and (max-width:420px) {
    .lm-main{
        width: 95%;
        min-height: 800px;
        margin: 0 auto;
        margin-top: 20px;
        margin-bottom: 44px;
    }
}
@media screen and (max-width:375px) {
    .lm-main {
        width: 95%;
        min-height: 800px;
        margin: 0 auto;
        margin-top: 20px;
        margin-bottom: 44px;
    }
    .lm-main ul li {
        width: 357.67px;
        height: 280px;
        margin-right: 20px;
        margin-bottom: 20px;
        position: relative;
    }
}
@media screen and (max-width:360px) {
    .lm-main{
        width: 95%;
        min-height: 800px;
        margin: 0 auto;
        margin-top: 20px;
        margin-bottom: 44px;
    }
    .lm-main ul li {
        width: 340.67px;
        height: 280px;
        margin-right: 20px;
        margin-bottom: 20px;
        position: relative;
    }
    
}