#main_container{
width:100%;
height:auto;
margin:auto;
padding:0px;
float:center;

}
#header{
width:100%;
/*height:110px;*/
background-color:#ffffff;
margin:auto;
/*background-image: url(/imgs_yiweb/gsjs_2.png);*/
}

/*------------------------------main content-----------------------*/
#main_content{
width:1000px;
margin:auto;
clear:both;
/*background-color:#FFFFFF;*/
}

#main_980{
width:990px;
margin:auto;
clear:both;
background-color:#FFFFFF;
}

/*------------------------middle_content-----------*/
.column1{
width:240px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
}
.column2{
width:760px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
}




.column3{
width:590px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
}
.column4{
width:198px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
}

/*-------------------footer------------------------*/
#footer{
width:100%;
height:100px;
clear:both;
font-size:11px;
/*background-color:#ffffff;*/
/*border-top:1px #eeabbd dashed;*/
padding:0px 0px 0px 0px;
}