.index_case {
	width: 100%;
}
.index_case li {
	width: 30%;
	margin: 1.63%;
	float: left;
	text-align: center;
}
.index_case li a {
	display: block;
	margin-top: 0.5em;
	font-size: 14px;
	line-height: 1.5em;
}
@media screen and (max-width: 480px) {
.index_case li a{
		font-size: 12px;}
}
.index_case li div {
	border: 1px solid #d1d1d1;
	position: relative;
	overflow: hidden;
}
.index_case li p {
	width: 100%;
	height: 0;
	padding-bottom: 80%;
	overflow: hidden;
	display: block;
}
.index_case li img {
	width: 100%;
	height:100%;
	display: block;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate3d(-50%, -50%, 0);
	-webkit-transform: translate3d(-50%, -50%, 0);
}
.txt_nowarp{ overflow: hidden;
text-overflow:ellipsis;
white-space: nowrap;}