.pm_gallery{width: 100%;box-sizing: border-box;position: relative;}
.pm_gallery .pm_gallery_cont{overflow: hidden;}
.pm_gallery .track{position: relative;}
.pm_gallery .track .item{float: left;box-sizing: border-box;	}
.pm_gallery .track .item:hover{background-color: #c6c1c1;border-radius: 15px;}
.pm_gallery .track .item a{display: block;text-align: center;color: black;font-weight: bold;}
.pm_gallery .track .item a img{margin-bottom: 6px;display: block;width: 100%;height: auto;}

.pm_gallery .pn{position: absolute;width: 25px;height: 70px;cursor: pointer;border: none;background-color: unset;background-repeat: no-repeat;background-position: center center;}
.pm_gallery .prev{left: -25px;background-image: url(/images/prev.png);}
.pm_gallery .prev:hover{background-image: url(/images/prev_h.png);}
.pm_gallery .next{right: -25px;background-image: url(/images/next.png);}
.pm_gallery .next:hover{background-image: url(/images/next_h.png);}

@media (max-width: 500px){
    .pm_gallery .track .item{font-size: 10px;}
}