.about_ttl {
	background-image: url(../images/under_line.jpg);
	float: left;
	height: 35px;
	width: 650px;
	background-repeat: repeat-x;
	background-position: bottom;
	font-size: 20px;
}
.about_txt {
	float: left;
	width: 630px;
	margin-bottom: 15px;
	padding-top: 15px;
	padding-right: 10px;
	padding-bottom: 10px;
	padding-left: 10px;
	font-size: 15px;
	color: #333333;
	line-height: 25px;
}
.under_line {
	float: left;
	height: 1px;
	width: 650px;
	margin-top: 15px;
	margin-bottom: 30px;
	border-top-width: 1px;
	border-top-style: dotted;
	border-top-color: #CCC;
}
#tec_img {
	float: right;
	margin-left: 15px;
}
.about_txt2 {
	font-size: 15px;
	line-height: 20px;
}
.about_txt3 {
	font-size: 15px;
	margin-top: 10px;
	color: #FFF;
	background-color: #333;
	display: block;
	float: left;
	width: 620px;
	padding-top: 10px;
	padding-right: 15px;
	padding-left: 15px;
	line-height: 18px;
	padding-bottom: 10px;
}
#q_a_tri {
	float: left;
	margin-left: 30px;
}
.q_a_txt {
	width: 616px;
	margin-top: 10px;
	margin-bottom: 30px;
	padding-top: 5px;
	padding-right: 15px;
	padding-bottom: 10px;
	padding-left: 15px;
	font-size: 14px;
	float: left;
	border: 3px solid #E4E4E4;
	line-height: 20px;
}