.mod18{width:840px;position:relative;}
.mod18 .btn{position:absolute;cursor:pointer;z-index:99;font-size:50px;font-weight:bold;}
.mod18 .prev{left:10px;background:url(../images/prevBtn.png) no-repeat;}
.mod18 #prevTop,.mod18 #nextTop{top:220px;width:32px;height:48px;}
.mod18 #prev,.mod18 #next{top:570px;width:10px;height:16px;}
.mod18 #prevTop{background:url(../images/prevBtnTop.png) 0 0 no-repeat;}
.mod18 #nextTop{background:url(../images/nextBtnTop.png) 0 0 no-repeat;}
.mod18 .next{right:10px;background:url(../images/nextBtn.png) no-repeat;}

.mod18 li{float:left;}
.mod18 .cf li{position:relative;color:#fff;}
.mod18 .picBox{ width:840px; height:515px;position:relative;overflow:hidden;text-align:center;}
.mod18 .picBox ul{height:515px;position:absolute; left:0;}
.mod18 .picBox li{width:840px;height:515px;}
.mod18 .listBox{width:760px;height:100px;margin:0 auto;position:relative; padding-top:15px;overflow:hidden;}
.mod18 .listBox ul{height:88px;position:absolute; }
.mod18 .listBox li{width:190px;height:80px;cursor:pointer;position:relative; padding:5px 0 0 0;}
.mod18 .listBox li i{display:none;}
.mod18 .listBox li a{display:block;width:190px;height:80px;}
.mod18 .listBox img{border:3px solid #dcdcdc;width:170px;height:80px;}
.mod18 .listBox .on img{border:3px solid #c61818;}
.left { width:840px; float:left; padding-bottom:34px;}
.left_top { font-family:Arial; font-size:32px; color:#fff; text-align:center; height:30px; line-height:30px; background:#333}