.btnback2 {
	padding-top: 50px;
}

.columnbottom {
	height: 130px;
	padding: 0 48px;
	background: url(../images/column_bottom.gif) repeat-y 0% -20%;
}

.columnbox {
	width: 676px;
	margin: 0 auto;
}

.columnmiddle {
	padding-left: 48px;
	padding-right: 48px;
	display: block;
	background: url(../images/column_middle.gif) repeat-y;
}

.columntop {
	height: 5px;
	background: url(../images/column_top.gif) repeat-x;
}

.naarticle {
	padding-top: 34px;
	padding-bottom: 24px;
	line-height: 180%;
	overflow: auto;
	display: block;
}

.natitle {
	color: #668D5C;
	font-size: 15px;
	font-weight: bold;
}

.natitlebox {
	height: 38px;
	margin-top: -25px;
	margin-bottom: 15px;
	background: url(../images/bg_dotted.gif) bottom repeat-x;
}

.posttime {
	float: right;
	padding-left: 24px;
	background: url(../images/icon_clock.gif) left no-repeat;
	color: #838383;
}

.wrapper_ann {
	width: 820px;
	margin-left: auto;
	margin-right: auto;
	background: url(../images/ntu3.jpg) top right no-repeat;
}

.wrapper_news {
	width: 820px;
	margin-left: auto;
	margin-right: auto;
	background: url(../images/ntu2.jpg) top right no-repeat;
}