.project_class {
	padding: 0 40px;
	display: flex;
	padding-right: 0px;
}
.project_but_class {
	display: flex;
	align-items: center;
	width: 300px;
	height: 50px;
	line-height: 50px;
	padding: 0 20px;
	font-size: 16px;
	color: #333333;
	cursor: pointer;
}

.project_but_class_select {
	background: #156CD2;
	color: #FFFFFF;
}
.project_but_arrow_class {
	width: 16px;
	height: 12px;
	background-image: url(../img/qianjin.png);
	background-repeat: no-repeat;
	background-size: 16px 12px;
	margin-left: 10px;
}
.project_one_class{
	padding: 0 80px;
	flex: 1;
}
.project_one_title_class{
	font-size: 28px;
	color: #333333;
	font-weight: bold;
	text-align: center;
}
.project_one_introduction{
	border-bottom: 1px solid #EEEEEE;
	display: flex;
	margin-top: 40px;
}
.project_one_introduction div{
	width: auto;
	text-align: left;
	font-size: 16px;
	color: #333333;
	font-weight: bold;
	border-bottom: 4px solid #156CD2;
	padding-bottom: 15px;
}
.project_one_p_txt{
	font-size: 16px;
	text-align: left;
	color: #333333;
	margin-top: 20px;
}
.project_tow_div{
	display: flex;
	align-items: center;
	margin-bottom: 8px;
}
.project_tow_div div{
	background: #156CD2;
	width: 20px;
	height: 20px;
	border-radius: 20px;
	line-height: 20px;
	text-align: center;
	font-size: 13px;
	color: #FFFFFF;
}
.project_tow_div span{
	font-size: 16px;
	color: #333333;
	margin-left: 8px;
}
.project_one_photo{
	display: flex;
}
.project_one_photo_item{
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
.project_one_photo_item img{
	width: 388px;
	height: 259px;
	margin-top: 20px;
}
.project_one_photo_item span{
	font-size: 16px;
	color: #333333;
	font-weight: bold;
	margin-top: 20px;
	padding-bottom: 10px;
}