.about_nav {
    border-bottom: 1px solid #999999;
    color: #666666;
    height: 20px;
    line-height: 20px;
    text-align: right;
    width: 100%;
}
.about_nav .text {
    margin: 0 auto;
    width: 976px;
}
.welcome_main
{
	background:url(welcome_bg.gif) no-repeat center top;overflow:hidden;width:100%; margin:0 auto;
}
.welcome_ifame
{
	margin:0 auto; width:970px;
}
.mainleft
{
	float:left;  overflow:hidden;
}
.mainright
{
	width:970px; overflow:hidden; float:left;
}
.welcome_ifame .welcome .c
{
	margin:0 auto; text-align:center;padding:72px 58px
}
.welcome_ifame .leader
{
	float:left;height:465px;margin:65px 41px 0 24px
}
.welcome_ifame .leader_pic
{
	float:left;width:281px; height:437px; padding:50px 0 0 21px; zoom:1; overflow:hidden;
}
.welcome_ifame .leader_c
{
	_background:none; padding:20px; background-color:#e5e0da; overflow:hidden; height:100%;
}
ul.stur_list
{
	
}
ul.stur_list li
{
	float:left;width:173px;
}
.welcome_ifame .welcome .c ul.stur_list li p
{
	font-size:14px;color:#686666;font-weight:bold;line-height:2.5em
}
p.line_one
{
	margin:0 0 20px 0
}
.breaf_out
{
	margin-top:20px;overflow:hidden; position:relative;
}
.breaf_cont
{
	
}
.breaf_cont p
{
	fonr-size:14px;
}