*{margin:0;padding:0}


.banner{position: relative;overflow: auto;text-align: center;width:100%; height:500px;margin:0 auto}
.banner .dots{position:absolute;left:0;right:0;bottom:35px;z-index:3;}
.banner .dots li{display:inline-block;width:10px;height:10px;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}
.banner .dots li.active{background:#fff;opacity:1}
.banner .arrow{position:absolute;width:20px;height:37px;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;}
.banner #al{left:15px}
.banner #ar{right:15px}
.banner ul{z-index: 1;width:600%;overflow: hidden;}
.banner ul .slider-item {width:1300px; float: left;height:500px; position: relative; overflow: hidden;}
.banner ul .slider-item .slider-title {position: absolute;left: 0;bottom: 0px;width: 1300px;max-height: 56px;padding: 15px;text-align:left;line-height: 28px;color: #fff;font-size: 18px;font-weight: bold;}
.banner .progress{position:absolute;left:0;bottom:0;width:15%;min-height:3px;overflow:hidden;z-index:2;background:#f60}