body{background: url(bsfw.jpg) no-repeat top center ;}

/*.mainbox {width: 1203px;margin: 0px auto;background: #fff;}*/

.con{width: 970px;margin: 0 auto;}
.xxgk-left{width:300px;}

.xxgk-rig{width:650px;}

.t-left,.t-rig{width:320px;}