.cl{HEIGHT: 0px; CLEAR: both;}

.jz{margin:0 auto;}

.fl{FLOAT: left}

.fr{FLOAT: right}

.c{*zoom:1;}

.c:after{content: ""; display: block; height: 0; clear: both;}

.txt-c{text-align: center;}

.txt-r{text-align: right;}

.col-white{color: #fff;}


.banner{height:500px;}

.banner-hd {height:500px; overflow:hidden; width: 100%;}

.banner-hd  ul{height:100%;margin: 0 auto;}

.banner-hd  ul li{height:100%;}


.banner-hd .prev,.banner-hd .next{display:none;width:45px;height:50px;background:url("banner-btn.png") no-repeat;position:absolute;top:45%;margin-top:-25px;}

.banner-hd .prev{left:8%;}

.banner-hd .next{right:8%;background-position:right;}