.fla{ width:100%; float:left;}
.banner{display:block;width:100%;min-width:1200px; height:600px; overflow:hidden; position:relative;font-size:0px;border-bottom: 3px solid #aaa;}
.b-img{ height:600px;  position:absolute; left:0; top:0;}
.b-img a{ display:block; height:600px; float:left;}
.b-list{ height:50px; padding-top:550px; position:relative; margin:0 auto;z-index:1;}
.b-list span{ display:block;cursor:pointer; width:14px; height:14px; border-radius:50%; border:3px solid #fff; float:left; margin:0 5px; _margin:0 3px;}
.b-list .spcss{border:3px solid #0e8bdd;}
.bar-left{ position:absolute; z-index:1; display:block; width:100px; height:100%; left:0px; background:none; top:0px; }
.bar-right{ position:absolute;z-index:1; display:block; width:100px; height:100%; right:0px; background:none; top:0px; }
.bar-left em{ display:block; width:50px; height:100px; background:url(../images/arrow.png) 0px 0px no-repeat; margin:0 auto; margin-top:255px;}
.bar-right em{ display:block; width:50px; height:100px; background:url(../images/arrow.png) -50px 0px no-repeat; margin:0 auto; margin-top:255px;}
.bar-left .emcss{ background-position:0px -100px;}
.bar-right .emcss{ background-position:-50px -100px;}