.als-prev{width: 30px;cursor: pointer;display: block;float: left;text-align: center;top: 70px;position: relative;}
.als-wrapper{position:relative;list-style:none}
.als-viewport {position: relative;overflow: hidden;margin: 0px auto;}
#ztlunbo{width: 1200px;position: relative;}
#ztlunbo .als-item { width: 232px; height: auto;}
#ztlunbo .als-item img {position: relative; display: block;margin: 0 auto;vertical-align: middle;width: 160px;height: 230px;margin: 0 auto 15px;cursor: pointer;}
 
#ztlunbo .als-prev {left: 0px;}
#ztlunbo .als-next {right: 0; top:70px}
.als-item {position: relative;display: block;text-align: center;cursor: pointer;float: left;}
.als-prev, .als-next {position: absolute;cursor: pointer;clear: both;}
.als-viewport {width:1160px}
.als-wrapper li p.con{width: 160px; margin: 0 auto;font-size: 15px;text-align: center;line-height: 24px;}