.main{width:980px; margin:0 auto; text-align:left;}

/*=========page_1===========*/
#page_1 #content .col_1{width:680px;}
#page_1 #content .col_2{width:173px;}

#page_1 #content_2 .col_1{width:858px;}
#page_1 #content_2 .mid{width:1px;}
#page_1 #content_2 .col_2{width:1px;}
/*========//page_1===========*/

/*=========sis===========*/
#sis #content .col_1{width:860px;}

#sis #content_2 .col_1{width:451px;}
#sis #content_2 .mid{width:31px;}
#sis #content_2 .col_2{width:378px;}
/*========//sis===========*/