.product-class {
	display: flex;
	flex-direction: row;
	justify-content: center;
	padding-top: 50px;
}

@media screen and (max-width: 1920px) {
	.product-class {
		padding-top: calc(50 / 1920 * 100vw);
	}
}

.product-class .product-class-item a {
	color: #333;
	font-size: 20px;
	height: 90px;
	cursor: pointer;
	display: -ms-flexbox;
	display: -webkit-box;
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	white-space: nowrap;
	position: relative;
	margin: 0 55px;
}

@media screen and (max-width: 1920px) {
	.product-class .product-class-item a {
		height: calc(90 / 1920 * 100vw);
		margin: 0 calc(110 / 1920 * 100vw / 2);
		min-height: 60px;
	}
}

@media screen and (max-width: 1440px) {
	.product-class .product-class-item a {
		font-size: 18px;
	}
}

@media screen and (max-width: 1280px) {
	.product-class .product-class-item a {
		font-size: 16px;
	}
}

@media screen and (max-width: 750px) {
	.product-class .product-class-item a {
		font-size: 0.28rem;
		height: 0.9rem;
		margin: 0 .5rem;
	}
}

.product-class .product-class-item a::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 0%;
	height: 2px;
	background-color: #000000;
	-webkit-transition: 0.35s;
	-ms-transition: 0.35s;
	transition: 0.35s;
}

.product-class .product-class-item:hover a::after {
	width: 100%;
}

@media screen and (max-width: 1280px) {
	.product-class .product-class-item a::after {
		height: 2px;
	}
}

.product-class .product-class-item.active a::after {
	width: 100%;
}

/*产品列表*/
.product-list1 {
	display: -ms-flexbox;
	display: -webkit-box;
	display: flex;
	flex-wrap: wrap;
	margin: 80px -1px;
}
 @media screen and (max-width: 1920px) {
	.product-list1  {
  		margin: calc(80 / 1920 * 100vw) -1px;
  	}
}
@media screen and (max-width: 990px) {
 .product-list1  {
  		margin: 0 -1px .82rem 0;
  	}
}
.product-list1 .item {
	width: 33.333333%;
	padding: 0 1px;
	-webkit-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
	margin-bottom: 2px;
}

@media screen and (max-width: 1920px) {
	.product-list1 .item {
		margin-bottom: 2;
	}
}

@media screen and (max-width: 990px) {
	.product-list1 .item {
		width: 50%;
	}
}

.product-list1 .item .con {
	display: block;
}

.product-list1 .item .con:hover .picture img {
	-webkit-transform: scale(1.05);
	-ms-transform: scale(1.05);
	transform: scale(1.05);
}

.product-list1 .item .picture {
	position: relative;
	height: 0;
	padding-top: calc(671 / 552 * 100%);
	overflow: hidden;
}

.product-list1 .item .picture img {
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	-webkit-transition: 0.35s;
	-ms-transition: 0.35s;
	transition: 0.35s;
}

.product-list1 .item .text {
	color: #333;
	font-size: 14px;
}

@media screen and (max-width: 1280px) {
	.product-list1 .item .text {
		font-size: 12px;
	}
}

@media screen and (max-width: 990px) {
	.product-list1 .item .text {
		font-size: 0.24rem;
	}
}

.product-list1 .item .text .date {
	/*font-family: 'Georgia', 'Geometos';*/
}

.product-list1 .item .text .title {
	font-size: 22px;
	font-weight: bold;
	line-height: 1.5;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 1;
	text-overflow: ellipsis;
	overflow: hidden;
	margin: 5px 0;
}

@media screen and (max-width: 1440px) {
	.product-list1 .item .text .title {
		font-size: 18px;
	}
}

@media screen and (max-width: 1280px) {
	.product-list1 .item .text .title {
		font-size: 16px;
	}
}

@media screen and (max-width: 990px) {
	.product-list1 .item .text .title {
		font-size: 0.32rem;
	}
}