.lxwm{width: 1100px;margin: 70px auto 50px}
.lxwm .cont{line-height:200%;font-size:16px;color:#404040}
.lxwm img{display: block;max-width: 100%;height: auto;margin: 0 auto}



@media only screen and (max-width: 1024px) and (min-width: 320px) {
    .lxwm{width: 94%;margin: 30px auto ;}
    .lxwm iframe{width: 100%!important;}
}