.main{width:780px; margin:0 auto; text-align:left;}

/*=========page_1===========*/
#page_1 #content .col_1{width:485px;}
#page_1 #content .col_2{width:245px;}

/*========//page_1===========*/


/*=========page_3===========*/
#page_6 #content {width:780px;}

/*========//page_3===========*/