.exhibition {
	width: 100%;
}

.classic-title {
	width: 64%;
	margin: 1.9rem auto;
	overflow: hidden;
}

.classic-title h4 {
	font-size: 1.78rem;
	color: #4981E5;
	float: left;
}

.classic-title span {
	font-size: 1.78rem;
	color: #999;
	float: left;
	margin-left: 1rem;
}

.main-classic {
	width: 64%;
	margin: 0 auto 1.8rem;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}

.main-classic-case {
	width: -webkit-calc((100% - 3.3rem) / 3);
	width: -moz-calc((100% - 3.3rem) / 3);
	width: calc((100% - 3.3rem) / 3);
	margin-bottom: 1rem;
}

.main-classic-case img {
	width: 100%;
}

.main-classic-case-content {
	cursor: pointer;
}

.main-classic-case-content h3 {
	font-size: 1.15rem;
	color: #333;
	font-weight: bolder;
	padding: 1rem 0;
}

.main-classic-case-content span {
	line-height: 1.6rem;
	font-size: 1rem;
	color: #666;
	height: 4.7rem;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
}

.main-classic-case-content:hover h3,
.main-classic-case-content:hover span {
	color: #2a89d9;
}

/* 详情页 */
.details-content {
	width: 64%;
	margin: 15px auto 0;
}

.details-content h2 {
	font-size: 1.666666rem;
	text-align: center;
	margin-bottom: 1.488095rem;
}

.details-content p {
	width: 64%;
	margin: 0 auto;
	line-height: 2rem;
	font-size: 1rem;
	text-indent: 2rem;
	color: #666666;
	margin-bottom: 1.190476rem;
}

.details-images {
	text-align: center;
}

.details-content img {
	width: 64%;
	margin-top: 1.190476rem;
	margin-bottom: 1.785714rem;
}

@media screen and (max-width:1250px) {

	.classic-title,
	.main-classic {
		width: 100%;
		padding: 0 15px;
	}

	.main-classic-case {
		width: -webkit-calc((100% - 1.2rem) / 2);
		width: -moz-calc((100% - 1.2rem) / 2);
		width: calc((100% - 1.2rem) / 2);
	}
	.details-content{
	padding: 0 15px;	
	}
	.details-content,
	.details-content p{
		width: 100%;
	}
}