.flow1 {
	line-height: 20px;
	float: left;
	width: 790px;
	margin-top: 5px;
	margin-bottom: 5px;
}
.flowimg {
	margin-top: 10px;
	margin-bottom: 10px;
}
.flowimg img {
	margin-bottom: 20px;
}
.ex_title {
	clear: both;
	float: left;
	margin-top: 10px;
	margin-bottom: 10px;
}
.ex_image {
	clear: both;
	float: left;
	margin-top: 10px;
	margin-bottom: 20px;
}