.wapnav{ float:right; display:none;}
.main_bg {width:100%;  background:url(../images/nanv_bg.gif) repeat-x; overflow:hidden;}
.mainnav{clear: both;  max-width: 1300px; margin: 0 auto; }
.mainnav ul{ }
.mainnav ul>li.fmenu{ float:left; width:12.5%; text-align:center;position:relative; }

.mainnav ul>li a,.mainnav ul>li a:link,.mainnav ul>li a:visited{ text-decoration:none; display:block;  line-height:67px; font-size:18px; text-align:center; text-decoration:none;}
.mainnav ul>li a:hover,.mainnav ul>li a.active,.mainnav ul>li a.active:link,.mainnav ul>li a.active:visited{ background:url(../images/nanv_f.gif) repeat-x;color:#fff;}
.mainnav ul>li:hover>a{background:url(../images/nanv_f.gif) repeat-x; color:#fff;}
.mainnav ul>li.fmenu>ul{ display:none; position:absolute; top:67px; z-index:9999;width: auto; background-color:rgba(255,255,255,0.7);}
.mainnav ul>li.fmenu>ul li{white-space: nowrap;box-sizing: border-box; padding:0px;}
.mainnav ul>li.fmenu li>a{text-align: center;}
.mainnav ul>li.fmenu ul>li a{ line-height:36px; font-size:15px; color:#333; border-bottom: 1px solid #6fa6a4;}
.mainnav ul>li.fmenu ul>li>ul>li a{ border:none; font-size:15px;color:#333;}
.mainnav ul>li.fmenu ul>li a:hover { color:#fff}

.sec li{position: relative}
.sec li ul{position: absolute;left: 100%;background-color: #2c79e2;display: none;top: 0px;}
.sec li ul li a{font-size: 13px !important;}

.div2{ display:none;}

@media screen and (max-width:859px)
{
	.main_bg  { }
    .wapnav{display:block; width:50px; text-align:right; padding-right:1%; margin-top:-50px;}
    .wapnav img{padding:10px;background-color:#f2f2f2;border:1px solid #cccccc;-moz-border-radius:5px;-webkit-border-radius:5px;border-radius:5px;cursor:pointer;}
    .wapnav img:hover{background-color:#dedede; }
    .navbg{ height: 0;}
    .mainnav{ width:100%; height:0; background:#0b0d19; position:fixed; z-index:999999; top:0; left:0; overflow:hidden;}
    .mainnav ul{ width:80%; margin-left:20%;}
    .mainnav ul li.fmenu {
        float: none;
        width: 100%;
        height: 45px;
        line-height: 45px;
        font-size: 18px;
        text-align: center;
        z-index:9999;
        border-bottom:dashed #666 1px;
    }
    .mainnav ul li.fmenu a,.mainnav ul li.fmenu a:link,.mainnav ul li.fmenu a:visited{ text-decoration:none; display:block;   color:#fff; line-height:45px; font-size:18px; text-align:center; text-decoration:none;padding:0;}
    .mainnav ul li.fmenu a:hover {
        float: none;
        width: 100%;
        height: 45px;
        line-height: 45px;
        font-size: 18px;
        text-align: center;
        z-index:9999;
    }
    .div2{ display:block; position:absolute; left:0; width:20%; height:100%; background:#313237;}
    .div2 span{ display:block; text-align:center; margin:20px auto; padding:0 0; text-align:center; width:100%; cursor:pointer;}
    .div2 span img{ margin:0 auto; display:block; text-align:center; float:none;}
    .nav{ }

}

@media screen and (max-width:500px)
{
 .wapnav{margin-top:-48px;}
 .wapnav img{padding:8px} 
}