.main{width:780px; margin:auto;}

/*=========page_1===========*/
#page_1 .col_1{width:235px; float:left;}
#page_1 .col_2{width:235px; float:left;}
/*========//page_1===========*/

/*=========page_3===========*/
#page_3 .col_1{width:169px; float:left;}
#page_3 .mid{width:61px; float:left;}
#page_3 .col_2{width:166px; float:left;}
/*========//page_3===========*/

/*=========page_6===========*/
#page_6 .col_1{width:210px; float:left;}
#page_6 .col_2{width:185px; float:left;}
/*========//page_6===========*/