*{
	margin: 0;
	padding: 0;
	list-style: none;
	text-decoration: none;
	font-family: "思源黑体 ";
}
/*头部*/
.hdxinxi1{
	overflow: scroll;
	width: 100%;
	height: 80px;
	margin: 0 auto;
	border: none;
}

/*尾部*/
.hdxinxi{
	overflow: scroll;
	width: 100%;
	height: 258px;
	margin: 0 auto;
	border: none;
}
.nav_end_iframe {
	height: 258px;
	width: 100%; 
	border: none;
}
p{
	margin-bottom: 0;
}
.nav_main{
	background-size: 100% 100%;
	width: 100%;
}

/*子系统banner*/
.nav_banner,.nav_banner img{
	width: 100%;
}
.swiper-slide img{
	width: 100%;
}

/*banner*/

#imgchangediv{
	width: 100%;
}
.foot_table{
	width: 100%;
}
.foot_table,.foot_tr,.foot_td{
	border-collapse: collapse;
}