/* 首页布局begin */
body{background:#FFF;}
#box{margin:0 auto;position:relative;width:800px;}
#middle1,#middle2,#middle3{ margin:0 190px;height:auto;background:#FFFFFF;}
#left,#right{position:absolute; top:100px;width:190px; height:300px; background:#FFFFFF;}
#left{left:0;}
#right{right:0;}
/*首页布局end*/