.xbanner{position: relative;overflow: auto;text-align: center; margin:0 auto;}
.xbanner .dots{position:absolute;left:0;right:0;bottom:15px;z-index:3;}
.xbanner .dots li{display:inline-block;width:5px;height:5px;margin:0 4px;text-indent:-999em;border:2px solid #fff;border-radius:6px;cursor:pointer;opacity:.4;-webkit-transition:background .5s,opacity .5s;-moz-transition:background .5s,opacity .5s;transition:background .5s,opacity .5s}
.xbanner .dots li.active{background:#fff;opacity:1}
.xbanner .arrow{position:absolute; top: 50%; margin-top: -18px; overflow: hidden;z-index: 2; -webkit-transition: all 0.5s; -moz-transition: all 0.5s;  -ms-transition: all 0.5s; -o-transition: all 0.5s; transition: all 0.5s;}
.xbanner #al{left:15px}
.xbanner #ar{right:15px}
.xbanner ul{z-index: 1;width: 100%;overflow: hidden;}
.xbanner ul .slider-item {width:640px; float: left;height:560px; position: relative; overflow: hidden;}
.xbanner ul .slider-item img{ width:100%; height:560px;}
.xbanner ul .slider-item .slider-title {position: absolute;left: 0;bottom: 0px;width: 610px;max-height: 56px;padding: 15px;text-align:left;line-height: 28px;color: #fff;font-size: 18px;font-weight: bold;background: -webkit-linear-gradient(top, transparent, rgba(0,0,0,0.9));background: url(../images/slider-info-bg.png) \9;}
.xbanner .progress{position:absolute;left:0;bottom:0;width:15%;min-height:3px;overflow:hidden;z-index:2;background:#f60}

@media only screen and (max-width:768px){
.xbanner ul .slider-item {width:100%; float: left;height:300px; position: relative; overflow: hidden;}
.xbanner ul .slider-item img{ width:100%; height:100%;}

}