.focus {width:350px; height:300px; overflow:hidden; margin-bottom:20px;position:relative;-webkit-border-radius:10px;-moz-border-radius:10px;}
.focus img{border:0;width:auto; height:300px;margin:0 auto}
.focus ul { position:absolute;}
.focus ul li {float:left; width:350px; height:300px;text-align:center; overflow:hidden; position:relative; background-color:#444;}
.focus ul li div {position:absolute; overflow:hidden;}
.focus .btn {position:absolute; width:350px; height:30px; padding:0px 5px 0px 5px; right:0; bottom:0px; text-align:center;background-color:rgba(0,0,0,0.2);}
.focus .btn span {display:inline-block; _display:inline; _zoom:1; width:16px; height:16px;line-height:16px;text-align:center;font-size:10px; margin:0 1px; cursor:pointer; background:#000;color:#FFF;-webkit-border-radius:3px;-moz-border-radius:3px;}
.focus .btn span.on {background:#ff7700}
.focus .preNext {width:15px; height:30px; position:absolute; top:calc(50% - 15px); background:url(image/sprite.png) no-repeat 0 0;background-size:30px; cursor:pointer;}
.focus .pre {left:0;}
.focus .next {right:0; background-position:right top;}
.focus .divtitle{position:absolute;left:0px;top:0px;width:100%;height:40px;line-height:40px;color:#fff;text-align:center;font-size:17px;font-weight:bold;background-color:rgba(0,0,0,0.2);}