.slideBox{  width: 880px;height: 630px;position:relative;}
.slideBox .bd{ position:relative; z-index:0; width: 840px;height: 630px; overflow: hidden;   }
.slideBox .bd li{ width: 100%; height: 630px;  zoom:1; vertical-align:middle; position: relative; }
.slideBox .bd li a{ display: block; width: 100%; height: 100%;}
.slideBox .bd li img{ display: block; width: 100%; height: 100%;}
.slideBox .bd li .txt{ position: absolute; left: 20px; bottom: 0; height: 30px; line-height: 30px; font-size: 13px; color:#FFF;} 
.slideBox .prev,
.slideBox .next{ position:absolute; left:3%; top:50%; margin-top:-25px; display:block; width:32px; height:40px; background:url(../images/slider-arrow.png) -110px 5px no-repeat; filter:alpha(opacity=50);opacity:0.5;   }
.slideBox .next{ left:auto; right:3%; background-position:8px 5px; }
.slideBox .prev:hover,
.slideBox .next:hover{ filter:alpha(opacity=100);opacity:1;  }
@media only screen and (max-width: 767px){
	.slideBox{  width: 100%;height:auto;}
	.slideBox .bd{width: 100%;height:auto; }
	.slideBox .bd li{ height:auto; }
}