body,
html {
	background-color: #eee;
	padding: 0px;
	margin: 0px;
}
.index_top{
	height: 100px;
}
.main_1{
	width: 100%;
	height: 630px;
}
.main_1_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
}
.main_2{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 650px;
}
.main_2_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
}
.main_3{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 520px;
}
.main_3_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_4{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 570px;
}
.main_4_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_5{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 310px;
}
.main_5_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_6{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 540px;
}
.main_6_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_7{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 520px;
}
.main_7_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_8{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 540px;
}
.main_8_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_9{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 450px;
}
.main_9_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_10{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 430px;
}
.main_10_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_11{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 640px;
}
.main_11_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}
.main_12{
	/*background-color: #eef3fa;*/
	width: 100%;
	height: 480px;
}
.main_12_body{
	width: 1351px;
	margin-left: calc(50% - 690px);
	
}