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

/*=========page_1===========*/
#page_1 .col_1{width:48%;}
#page_1 .mid{width:3%;}
#page_1 .col_2{width:48%;}
/*========//page_1===========*/

/*=========page_2===========*/
#page_2 .col_1{width:44%;}
#page_2 .mid{width:6%;}
#page_2 .col_2{width:48%;}
/*========//page_2===========*/

/*=========page_4===========*/
#page_4 .col_1{width:50%;}
#page_4 .mid{width:9%;}
#page_4 .col_2{width:40%;}
/*========//page_4===========*/

/*=========page_5===========*/
#page_5 .col_1{width:50%;}
#page_5 .mid{width:9%;}
#page_5 .col_2{width:40%;}
/*========//page_5===========*/

/*=========page_6===========*/
#page_6 .col_1{width:48%;}
#page_6 .mid{width:3%;}
#page_6 .col_2{width:48%;}
/*========//page_6===========*/

/*=========page_7===========*/
#page_7 .col_1{width:44%;}
#page_7 .mid{width:5%;}
#page_7 .col_2{width:50%;}
/*========//page_7===========*/