.col1, .col2, .col3, .col4, .col_1, .col_2{ float:left}
/*======= width =======*/
.w{margin:0 auto; text-align:left; width:911px; }

/*======= header =======*/
#header {height:270px;  background:url(images/bg_top.gif) no-repeat top  right}

#content .col_1{ width:291px}
#content .col_2{ width:620px}
#content .col1{ background:#767676; color:#ffffff}
/*======= index.html =======*/
#page #content .col1{ width:310px}
#page #content .col2{ width:310px}
/*======= index-1.html =======*/
#page1 #content .col1{ width:620px}
/*======= index-2.html =======*/
#page2 #content .col1{ width:620px}
/*======= index-3.html =======*/
#page3 #content .col1{ width:620px}
/*======= index-4.html =======*/
#page4 #content .col1{ width:620px}
#page4 #content .col2{ width:287px}
#page4 #content .col3{ width:269px}
/*======= index-5.html =======*/
#page5 #content .col1{ width:620px}
#page5 #content .col2{ width:268px}
#page5 #content .col3{ width:286px}
/*======= index-6.html =======*/
#page6 #content .col_1{ width:911px}