.nav_m .n_icon {
    zoom: 1;
    height: 18px;
    line-height: 18px;
    color: #333;
    padding-left: 25px;
    background: url(/01/images/nav_ico.png) no-repeat left center;
    position: absolute;
    right: 0;
    top: 27px;
    z-index: 9999;
    cursor: pointer;
}
@media screen and (min-width:536px){ 
  .nav_p {
        display: block;
    }
    .nav_m {
        display: none;
    } 
    .logo a img {
        width: 400px;
    }
    .m1 a {
        line-height: 50px; 
        height: 50px;
    }
} 
@media screen and (max-width:535px) { 
     .nav_p {
        display:none;
    }
    .banner {
        display: none;
    }
    .banad {
        display: none;
    } 
    .nav_m {
        display: block;
        height:30px;
    }
    .menu {
        float:right;
        position:relative;
        margin-top:2px;
        border-top:none;
        width:100%;
        display: none;
        z-index:99;
        background-color:#f2f2f2;
    }
    .m1 a { 
        font-size: 14px;
        line-height: 50px;
        height: 50px;
    }
     .logo{
         position:absolute;
         left:0px;
         top:0px;
         height:52px;
         margin-top:15px;
     }
     .logo a img {
         width:299px;
         height:52px;
     }
}