.tail-top{ background:url(images/bg.jpg) no-repeat top  center }

.col-1, .col-2, .col-3, .col-4{ float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:976px; }

/*======= header =======*/
#header { }

/*======= index.html =======*/
#page1 #content .row .col-1{ width:636px; margin-right:0; background:url(images/1page_img.jpg) no-repeat top left; height:333px}
#page1 #content .row .col-2{ width:327px;  margin-right:0;}
#page1 #content .col-1{ width:215px; margin-right:5px}
#page1 #content .col-2{ width:410px; margin-right:5px}
#page1 #content .col-3{ width:331px}
/*======= index-1.html =======*/
#page2 #content .row .col-1{ width:636px; margin-right:0; background:url(images/1page_img.jpg) no-repeat top left; height:333px}
#page2 #content .row .col-2{ width:337px;  margin-right:0;}
#page2 #content .col-1{ width:215px; margin-right:5px}
#page2 #content .col-2{ width:410px; margin-right:5px}
#page2 #content .col-3{ width:331px}

/*======= footer =======*/
#footer { height:288px; }
#footer .col-1{ width:163px}
#footer .col-3{ width:175px}
#footer .col-2{ width:113px}