#about {
	float: left;
	width: 760px;
}
.about_1 {
	font-size: 13px;
	font-weight: bold;
}
.about_2 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 15px;
	font-weight: bold;
	color: #660033;
	float: left;
	width: 580px;
	background-image: url(image/line/01_red_12.gif);
	background-repeat: repeat-x;
	background-position: left bottom;
	padding-bottom: 5px;
	margin-top: 10px;
	margin-bottom: 20px;
}
.about_2-1 {float: left;	width: 760px;}
.about_2-2 {
	float: left;
	width: 760px;
	background-image: url(image/altr_3.jpg);
	background-repeat: repeat-y;
}
.about_2-3 {
	float: left;
	width: 760px;
	background-image: url(image/altr_2.jpg);
	background-repeat: no-repeat;
	background-position: top;
}
.about_2-4 {
	float: left;
	width: 760px;
	background-image: url(image/altr_4.gif);
	background-repeat: no-repeat;
	background-position: bottom;
}
.about_3 {
	float: left;
	width: 570px;
	background-image: url(image/contact5.gif);
	background-repeat: no-repeat;
	background-position: left top;
	padding-left: 180px;
}
.about_4 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 15px;
	color: #000000;
	font-weight: bold;
}

.about_5b {
	float: left;
	width: 760px;
	background-image: url(image/contact12.gif);
	background-repeat: no-repeat;
	background-position: left 25px;
}

.about_5 {
	float: right;
	width: 540px;
}
.about_5 .tex {
	font-size: 15px;
	font-weight: bold;
	color: #996600;
}
.about_5 .tex2 {
	font-weight: bold;
	color: #7D53D5;
}
.about_5 ul {
	padding-left: 16px;
}
.about_5 ul li {
	background-image: url(image/icon/m_0.gif);
	background-repeat: no-repeat;
	background-position: left 3px;
	padding-left: 18px;
}

.tab_nav{
	cursor:pointer;
	text-align:center;
	font-weight:bold;
	color: #FFFFFF;
}

.tab_nav_on{
	color:#000000;
	cursor:pointer;
	float:right;
	text-align:center;
	font-weight:bold;
}
.tab_nav_box{
	float: left;
	width: 150px;
}