.col-1, .col-2, .col-3, .col-4{ float:left}
/*======= width =======*/
.main{ text-align:left; width:980px;  }

/*======= header =======*/
#header {height:463px;  background:url(images/top.jpg) no-repeat top center}

/*======= content =======*/
#content .col-1{ width:636px; margin-right:36px; background:url(images/bg_cont1.gif)}
#content .col-2{ width:235px}

#page1 #content .col-3{ width:258px; margin-right:47px;}
#page1 #content .col-4{ width:255px}
#page5 #content .col-3{ width:237px; margin-right:62px;}
#page5 #content .col-4{ width:235px}
#page6 #content .col-3{ width:258px; margin-right:47px;}
#page6 #content .col-4{ width:255px}
#page7 #content .col-3{ width:290px;}
#page7 #content .col-4{ width:240px}