#right_all
{
    width:721px;
    height:auto;
    margin-left:auto;
    margin-right:auto;
}
#tech_top
{
    background-image:url(../images/biaotijishuzhongxin.jpg);
    width:721px;
    height:77px;
}
#daohang
{
    float:right;
    margin-right:23px;
    margin-top:50px;
    font-family:宋体;
    font-size:14px;
}
#tech_content
{
    margin-top:30px;
    width:721px;
    height:auto;
}
#tech_left
{
    float:left;
    width:350px;
    height:401px;
}
#tech_right
{
    float:left;
    width:350px;
    height:400px;
}
.tech_img
{
    margin-top:20px;
    margin-left:40px;
    width:252px;
    height:106px;
}
.tech_text
{
    margin-top:20px;
    margin-left:35px;
    width:306px;
    height:106px;
	border-bottom-style:solid;
	border-bottom-color:#999;
	border-bottom-width:1px;
	
}