.product-article h2 {
	width: 100%;
}

.product-article {
	display: flex;
	flex-flow: wrap;
	column-gap: 80px;
}

.product-article .product-article-text {
	width: calc(50% - 40px);
}

.product-article .product-article-img {
	width: calc(50% - 40px);
}

.product-article .product-article-img img {
	width: 100%;
}

.product-article table {
	border-collapse: collapse;
	/* 关键：合并单元格双线 */
	border: 1px solid #ccc;
	/* 表格外框 */
}

.product-article table td,
.product-article table th {
	border: 1px solid #ccc;
	/* 单元格边框 */
	padding: 8px 12px;
	/* 内边距，防止文字贴边 */
}

.product-article table td {
	line-height: 1.5;
	color: #555555;
}

.product-article table tr:first-child td {
	background-color: #0664B4;
	color: #FFFFFF;
	font-weight: 600;
	padding: 10px 12px;
}

.product-article-img-1 {
	display: none;
}

@media (max-width:1280px) {
	.product-article .product-article-text {
		width: 100%;
		max-width: 900px;
	}
	.product-article .product-article-img {
		width: 100%;
		max-width: 900px;
	}
	.product-article-img-1 {
		display: block;
		padding-bottom: 30px;
	}
	.product-article-img-2 {
		display: none;
	}
}

@media (max-width:768px) {
	.product-article-img-1 {
		padding-bottom: 20px;
	}
}

@media (max-width:500px) {
	.product-article-img-1 {
		padding-bottom: 15px;
	}
}

.related {
	border-top: 1px solid #dddddd;
}

.related ul {
	display: flex;
	flex-flow: wrap;
	gap: 30px 80px
}

.related ul li {
	width: calc(25% - 240px/4);
}

.related ul li .img a img {
	width: 100%;
	display: block;
	border-radius: 15px;
	overflow: hidden;
}

.related ul li h4 a {
	color: #000000;
	display: inline-block;
	font-size: 20px;
	padding: 15px 0;
	line-height: 1.5;
	width: 100%;
	text-align: center;
}

.related ul li:hover h4 a {
	color: #0664B4;
}

@media (max-width:1280px) {
	.related ul {
		gap: 40px;
	}
	.related ul li {
		width: calc(25% - 120px/4);
	}
	.related ul li .img a img {
		border-radius: 12px;
	}
}

@media (max-width:1080px) {
	.related ul {
		gap: 20px;
	}
	.related ul li {
		width: calc(25% - 60px/4);
	}
	.related ul li h4 a {
		font-size: 18px;
	}
}

@media (max-width:768px) {
	.related ul li {
		width: calc(50% - 10px);
	}
}

@media (max-width: 500px) {
	.related ul {
		gap: 10px;
	}
	.related ul li {
		width: calc(50% - 5px);
	}
	.related ul li h4 a {
		font-size: 16px;
		padding: 12px 0;
	}
}