.col-sm-bk3{
	height: 255px;
	width:25%;
	float: left;
	padding: 4px;
	box-shadow: 0 1px 1px rgba(0,0,0,0.15);
	overflow: hidden;
	position: relative;
	border: 1px solid #FFF;
	margin-bottom: 10px;
	display: block;
	}
.col-sm-img {width: 100%;height: 200px;}
.col-sm-img img {width: 100%;height: 200px;border:0;vertical-align:bottom;}
.col-sm-bk3:hover{border: 1px solid #0a8;}
.tutitle a:hover{color:#0a8;}
.tutitle a {
    color: #888;
    font-size: 14px;
    display: block;
    height: 18px;
    line-height: 18px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tumeta {
    padding: 1px 5px;
}

.tudata{border-top: 1px solid #f2f2f2;padding: 5px 5px;color: #999;font-size: 12px;}

@media screen and (max-width: 768px) {
.col-sm-bk3{width:50%;}
}