.mod18Box { margin: 0px auto; width: 100%; background: #FFF;  }
.mod18{ width: 100%; /*height: 620px;*/ margin: 0px auto; position: relative; /*background: #f7f7f7;*/ }
.mod18 .btn{position:absolute;width:15px;height:125px;top:526px;cursor:pointer;z-index:99;font-size:50px;font-weight:bold;}
.mod18 .prev{left:0;/*background:url(../images/prevBtn.png) no-repeat center center;*/}
.mod18 #prevTop,.mod18 #nextTop{top:240px;width:46px;height:48px;}
.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:0;/*background:url(../images/nextBtn.png) no-repeat center center;*/}
.mod18 li{float:left;}
.mod18 .cf li{position:relative;color:#fff;}
.mod18 .cf a{display:block;width:680px;height:360px;position:absolute;color:#fff;}
.mod18 .cf li span{display:block;width:640px;position:absolute;left:0;bottom:0;padding:10px 20px;line-height:22px;text-align:left;background:rgba(0,0,0,0.6);filter:progid:DXImageTransform.Microsoft.gradient( GradientType = 0,startColorstr = "#60000000",endColorstr = "#60000000");}
.mod18 .picBox{height:520px;position:relative;overflow:hidden;}
.mod18 .picBox ul{height:520px;position:absolute;}
.mod18 .picBox li{width:694px;height:520px;display: flex;
    align-items: center;
    justify-content: center;}
/*.mod18 .picBox li img{
	height: 100%;
}*/
.mod18 .listBox{ width: 100%; height: 125px; margin: 0 auto; position: relative; padding: 6px 0 0px; overflow: hidden; }
.mod18 .listBox ul{height:125px;position:absolute;}
.mod18 .listBox li{/*width:129px;height:70px;cursor:pointer;position:relative;*/float:left;
  width:25% !important; /* 100% / 4 = 25%，4个平分一行 */
  box-sizing: border-box; /* 加padding/border不会撑破宽度 */
  padding:0 2px; /*可选缩略图之间间距，按需调整*/}
.mod18 .listBox li i{display:none;}
.mod18 .listBox li a{display:block;width:124px;height:125px;}
.mod18 .listBox li img{/*width:124px;height:70px;*/width:100%;
  display:block;}
.mod18 .listBox .on img{width:98%;height:119px;border:3px solid #ff6600;}
.mod18 .listBox .on i{display:block;}