.layer{background:rgba(0,0,0,0.8);position: fixed;left:0;top:0;right:0;bottom:0;z-index:1000000;opacity:0; z-index: -1; transition:all 0.3s ease-out 0s;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:center;justify-content:center;}
.layer.showdiv{opacity:1;visibility:visible; z-index: 10000000;}
.layer .close{font-size:60px; font-family: "宋体"; position:absolute;right:50px;top:50px;width:80px;height:80px;text-align: center;line-height:80px;cursor:pointer;color:#ccc;}
.layer .search_box{height:45px;line-height:45px;width:550px;display:-ms-flexbox;display:flex;transform:translateY(-50px);opacity:0;margin-top:-100px;}
.layer.showdiv .search_box{transform:none;transition:all 0.5s ease-out 0s;opacity:1;}
.layer .search_box .kw{background:#fff; border:none; -ms-flex:1;flex:1;padding:0 12px;font-size:16px;-webkit-appearance:none;appearance:none;border-radius:0;}
.layer .search_box .ok{background:#94070a;color:#fff; box-shadow: none; border:none; width:120px;text-align: center;font-size:18px;cursor: pointer;-webkit-appearance:none;appearance:none;border-radius:0;}
.layer.active{ opacity: 1; z-index: 1000000;}

.layer.showdiv {
    opacity: 1;
    visibility: visible;
    z-index: 10000000;}
@media(max-width:700px){
.header.header-content{background:#be1a11;padding-bottom: 0px !important;}
.layer .search_box{width:300px;}
}