.main{
	width:850px; 
	margin:auto;
	position:absolute;
	left: 50%;
	margin-left: -425px;
	
}

/*==================page_1====================*/
#page_1 .col_1{width:471px; float:left;}
#page_1 .mid{width:8px; float:left;}
#page_1 .col_2{width:187px; float:left;}
#page_1 .col_3{width:224px; float:left;}
#page_1 .col_4{width:224px; float:left;}
#page_1 .mid_2{width:13px; float:left;}
/*==================//page_1==================*/

/*==================page_2====================*/
#page_2 .col_1{width:462px; float:left;}
#page_2 .mid{width:20px; float:left;}
#page_2 .col_2{width:169px; float:left;}
/*==================//page_2==================*/

/*==================page_3====================*/
#page_3 .col_1{width:224px; float:left;}
#page_3 .mid{width:19px; float:left;}
#page_3 .col_2{width:403px; float:left;}
/*==================//page_3==================*/

/*==================page_4====================*/
#page_4 .col_1{width:461px; float:left;}
#page_4 .mid{width:19px; float:left;}
#page_4 .col_2{width:170px; float:left;}
/*==================//page_4==================*/

/*==================page_5====================*/
#page_5 .col_1{width:224px; float:left;}
#page_5 .mid{width:19px; float:left;}
#page_5 .col_2{width:403px; float:left;}
/*==================//page_5==================*/