.site_center{ width:100%; text-align:center}
.main{ width:780px; margin:0 auto; background:url(images/rep.gif) repeat-y; text-align:left}


/*======= header =======*/
#header{ height:112px; width:100%}

/*======= footer =======*/
#footer{ height:58px; width:100%}

/*======= content =======*/
#content{ width:100%}


.col_1, .col_2, .col_3, .col1, .col2, .col3 { float:left;}

/*======= index.html =======*/

/*======= index-1.html =======*/

/*======= index-2.html =======*/
#page3 #content .col1{ width:321px}
#page3 #content .col2{ width:438px}

/*======= index-3.html =======*/
#page4 #content .col1{ width:430px}
#page4 #content .col2{ width:330px}


/*======= index-4.html =======*/
#page5 #content .col1{ width:321px}
#page5 #content .col2{ width:438px}

/*======= index-5.html =======*/
#page6 #content .col1{ width:430px}
#page6 #content .col2{ width:330px}