body{
	padding-top: 0;
}
.top_banner {width: 100%;}
.top_banner img {width: 100%;}

/*菜单导航*/
.menu {
	padding-top: 20px;
	/* border-bottom: 1px solid #ececec; */
	background-color: #FFFFFF;
	width: 100%;
	box-sizing: border-box;
	margin-bottom: 5%;
}
.menu li {
	width: 50%;
	/* border-top: 1px solid #ececec; */
	background-color: #FFFFFF;
	float: left;
	box-sizing: border-box;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	padding-top: 20px;
	padding-bottom: 20px;
	text-align: center;
	margin: 0;
}
.menu li:nth-of-type(2n+1) {/* border-right: 1px solid #ececec; */}
.menu li .img_box {width: 60px;height: 65px;margin: 10px auto;}
.img_box img {width: 100%;}