*{
	margin: 0;
	padding: 0;
}

a{
	text-decoration:none
	}
	
.banner{
	height: 57%;
	width: 57%;
	margin-left: 20%;
	margin-right: 20%;
}

.title1{
	height: 10%;
	width: 10%;
	margin-top: 2%;
	margin-left: 22%;
}

.slider{
	width: 56%;
	margin: 0 22%;
	white-space:nowrap;
	overflow-x:hidden;
	overflow-y:hidden;
}

.img_bi{
	height: 28%;
	width: 28%;
	margin-top: 1.5%;
	margin-bottom: 1.5%;
}

.img_shi{
	height: 28%;
	width: 28%;
	margin-top: 1.5%;
	margin-bottom: 1.5%;
	margin-left: 4.5%;
}

.img_fang{
	height: 28%;
	width: 28%;
	margin-bottom: 1.5%;
	margin-top: 1.5%;
	margin-left: 4.5%;
}

.title2{
	height: 10%;
	width: 10%;
	margin-top: 2%;
	margin-left: 22%;
}

.video_1{
	height: 17.5%;
	width: 17.5%;
	margin-top: 1%;
	margin-left: 22%;
}

.video_2{
	height: 17.5%;
	width: 17.5%;
	margin-top: 1%;
}

.bottom{
	margin-top: 2%;
	width: 100%;
	height: 60px;
	background-color: #a5f2c7;
	font-size: 10px;
	font-weight:500px;
	text-align:center;
	line-height: 20px;
}