.container-fluid {
	margin-right: auto;
	margin-left: auto
}


.about_nav{text-align:left;width:100%;margin:0 auto;overflow:hidden;height:50px;}
.about_nav li{font-size:16px;line-height:50px;height:50px; color:#fff; background:#666; text-decoration:none;float:left; width:19%; margin-right:5px; text-align:center;}
.about_nav li:hover{color:#fff; background:#013b8f;}
.about_nav li.selected{ color:#fff; background:#013b8f;}
.about_nav li a{color:#fff;}
.about_nav li:hover a{color:#fff;}
.about_nav li.selected a{ color:#fff;}
.photoBanner{display:none;}
.phone_nav{display:none;}

@media screen and (max-width:800px){
.about_nav{display:none;}
.phone_nav{display:block;padding:0;position:relative;z-index:1;}
.phone_nav p{background:#013b8f url(../images/g2.png) no-repeat 95% center; color:#fff; height:45px; line-height:45px; cursor:pointer; font-weight: normal; font-size:1.8em;padding-left:5%;}
.phone_nav ul{ position:absolute;top:45px;left:0;background:#666666;right:0;display:none; overflow:hidden; width:100%;}
.phone_nav ul li{border-bottom: 1px solid #f0f1f2;height:50px; line-height:50px; font-size: 16px; color: #222;}
.phone_nav ul li a{display:block; color: #222; padding-left:50px;  }
.phone_nav ul li a:hover{ color:#fff}
.phone_nav ul li:hover{background:#013b8f url(../images/icon_arrow.png)  no-repeat right -28px; }
}
@media screen and (max-width: 1599px){
.about_nav{width:100%;}

}
@media (max-width:420px){
.phone_nav p{ height:35px; line-height:35px; font-size:1.4em;}
.phone_nav ul{ position:absolute;top:35px;left:0;background:#f0f1f2;right:0;display:none; overflow:hidden; width:100%;}

}