@media (max-width: 768px) {
         .head .head_right{width:80% !important;}
         .head .search{width:100%;  -webkit-border-radius:0px;border-radius:0px;border: 1px solid #bfbfbf;}
.head .search_btn{background: url(../images/icon-search.png) #fff center center no-repeat;}
         .head .search_input{width: 88%;border-radius:0px;}
            .foot{width:100%;padding:40px 0px 40px 0px;}
            .top_nav{display:none;}
            .head{width:100%;}
            .head .search{margin-top:15px;margin-bottom:15px;}
            .mb-none{display:none;}
            .head .head_right{ padding-right: 0px;}
            .wrap_all{display:none;}
            .ssuccess{padding-bottom:100px;}
            .su-content{display:none;}
        }