/* flexslider */
@media (max-width:2560px) {
.productstu{height:630px;border-bottom: 0px #ccc solid; padding-top:20px;}
.flexslider{position:relative;height:630px;overflow:hidden;background:url(../images/loading1.gif) 50% no-repeat;}
.slides{position:relative;z-index:1;}
.slides li{height:568px;}
.flex-control-nav{position:absolute;bottom:10px;z-index:2;width:100%;text-align:center;}
.flex-control-nav li{display:inline-block;width:13px;height:13px;margin:0 5px;*display:inline;zoom:1;}
.flex-control-nav a{display:inline-block;width:13px;height:13px;line-height:40px;overflow:hidden;background:url(../images/dot.png) right 0 no-repeat;cursor:pointer;}
.flex-control-nav .flex-active{background-position:0 0;}

.flex-direction-nav{position:absolute;z-index:3;width:100%;top:35%;}
.flex-direction-nav li a{display:block;width:50px;height:88px;overflow:hidden;cursor:pointer;position:absolute;}

.flex-direction-nav li a.flex-prev{left:40px;background:url(../images/prev1.png) center center no-repeat; }
.flex-direction-nav li a.flex-next{right:40px;background:url(../images/next1.png) center center no-repeat;}

.fix{*zoom:1;*clear:both;}.fix:before,.fix:after{content:"";display:table;clear:both;}
.clearfix{*zoom:1;*clear:both;}.fix:before,.fix:after{content:"";display:table;clear:both;}
.hide{display: none;}
.block{display: block;}
.productstu-m{display: none;}
}

@media (max-width:768px) {
	.productstu{display: none;}
	.productstu-m{display: block; }
    .productstu-m .cp-m ul{width: 100%}
	.productstu-m .cp-m li{width: 100%;padding-bottom: 10px;}
	.productstu-m .cp-m img{transition: all 0.3s ease;  /* 添加过渡效果 */}
	
}