.main{width:900px; margin:0 auto; text-align:left;}

/*=========page_1===========*/
#page_1 .col_1{width:240px;}
#page_1 .mid{width:28px;}
#page_1 .col_2{width:439px;}
/*========//page_1===========*/

/*=========page_2===========*/
#page_2 .col_1{width:441px;}
#page_2 .mid{width:28px;}
#page_2 .col_2{width:240px;}
/*========//page_2===========*/

/*=========page_3===========*/
#page_3 .col_1{width:240px;}
#page_3 .mid{width:28px;}
#page_3 .col_2{width:441px;}
/*========//page_3===========*/

/*=========page_4===========*/
#page_4 .col_1{width:441px;}
#page_4 .mid{width:28px;}
#page_4 .col_2{width:240px;}
/*========//page_4===========*/

/*=========page_5===========*/
#page_5 .col_1{width:240px;}
#page_5 .mid{width:28px;}
#page_5 .col_2{width:441px;}
/*========//page_5===========*/

/*=========page_6===========*/
#page_6 .col_1{width:709px; float:none;}
/*========//page_6===========*/