body{
	background:#f5f5f5;
}
#top_banner img{
	max-width:100%;
	display:block;
	margin:0 auto;
}
/* 导行nav-min */
#nav-min{
	width:100%;
	min-height:55px;
	background:#fff;
	border-bottom:2px solid #f0242d;
}
#nav-min ul{
	text-align:center;
}
#nav-min ul li{
	display:inline-block;
	height:55px;
}
#nav-min ul li a{
	display:block;
	color:#37474f;
	line-height:55px;
	font-size:16px;
	padding:0px 12px;
	text-align:center;
}
#nav-min ul li a:hover{
	color:#fff;
	background:#f0242d;
}
#nav-min ul li a.active{
	color:#fff;
	background:#f0242d;
	height:55px;
	border-bottom:2px solid #f0242d;
}
#main{
	width:1200px;
	margin:30px auto;
	overflow:hidden;
}
/* 内容content */
#content{
	max-width:1200px;
	display:flex;
	flex-wrap: wrap;
	background: #fff;
	border-top:1px solid #ddd;
	border-left:1px solid #ddd;
	margin:50px auto;
}
#content .item{
	width:369px;
	padding:15px;
	border-right:1px solid #ddd;
	border-bottom:1px solid #ddd;
}
#content .item img{
	margin:0 auto;
	max-width:100%;
}