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

/*=========page_1===========*/
#page_1 #content .col_1{width:283px;}
#page_1 #content .mid{width:53px;}
#page_1 #content .col_2{width:538px;}

#page_1 #content_2 .col_1{width:531px; padding-left:336px;}
/*========//page_1===========*/