/**
 * 产品详情页
 * 作用域：.site-single-products
 */

/* ── 首屏：画廊 + 信息 ── */
.site-single-products .prod-detail-hero {
	padding: 56px 0 72px;
	background: #F5F6F8;
}

.site-single-products .prod-detail-hero__grid {
	display: grid;
	/* 左侧按画廊固宽收缩，多出的宽度给右侧信息区 */
	grid-template-columns: max-content minmax(0, 1fr);
	gap: 48px;
	align-items: start;
	min-width: 0;
}

/* Gallery：左侧整列高度与右侧大图一致（524） */
.site-single-products .prod-gallery {
	--prod-stage-size: 524px;
	--prod-thumbs-wrap-w: 128px;
	--prod-thumb-visible: 4;
	--prod-thumb-size: var(--prod-thumbs-wrap-w);
	/* 一页 4 张正方形，间距用剩余高度均分 */
	--prod-thumb-gap: calc(
		(var(--prod-stage-size) - (var(--prod-thumb-size) * var(--prod-thumb-visible)))
		/ (var(--prod-thumb-visible) - 1)
	);
	display: grid;
	grid-template-columns: var(--prod-thumbs-wrap-w) var(--prod-stage-size);
	gap: 16px;
	align-items: start;
	justify-content: start;
	min-width: 0;
	max-width: 100%;
}

.site-single-products .prod-gallery__thumbs-wrap {
	width: var(--prod-thumbs-wrap-w);
	height: var(--prod-stage-size);
	min-height: 0;
}

.site-single-products .prod-gallery__thumbs {
	display: flex;
	flex-direction: column;
	gap: var(--prod-thumb-gap);
	overflow-y: auto;
	overflow-x: hidden;
	width: 100%;
	height: 100%;
	max-height: 100%;
	scrollbar-width: none;
	scroll-behavior: smooth;
}

.site-single-products .prod-gallery__thumbs::-webkit-scrollbar {
	display: none;
}

.site-single-products .prod-gallery__thumb {
	position: relative;
	display: block;
	width: var(--prod-thumb-size);
	height: var(--prod-thumb-size);
	padding: 0;
	margin: 0;
	border: 1px solid #ddd;
	background: #fff;
	cursor: pointer;
	overflow: hidden;
	flex: 0 0 var(--prod-thumb-size);
	transition: border-color .2s;
}

.site-single-products .prod-gallery__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.site-single-products .prod-gallery__thumb-placeholder {
	display: block;
	width: 100%;
	height: 100%;
	min-height: var(--prod-thumb-size);
	background: linear-gradient(135deg, #eee, #e2e2e2);
}

.site-single-products .prod-gallery__thumb.is-active,
.site-single-products .prod-gallery__thumb:hover {
	border-color: #FF6A00;
}

.site-single-products .prod-gallery__play {
	position: absolute;
	inset: 0;
	margin: auto;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: rgba(255, 106, 0, 0.92);
	pointer-events: none;
}

.site-single-products .prod-gallery__play::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 52%;
	transform: translate(-40%, -50%);
	border-style: solid;
	border-width: 6px 0 6px 10px;
	border-color: transparent transparent transparent #fff;
}

.site-single-products .prod-gallery:not(.has-video) .prod-gallery__play {
	display: none;
}

.site-single-products .prod-gallery__stage {
	position: relative;
	width: var(--prod-stage-size);
	height: var(--prod-stage-size);
	max-width: 100%;
	min-width: 0;
	border: 1px solid #ddd;
	background: #fff;
	overflow: hidden;
}

.site-single-products .prod-gallery__stage--empty {
	display: flex;
	align-items: center;
	justify-content: center;
}

.site-single-products .prod-gallery__track {
	display: flex;
	height: 100%;
	width: 100%;
	min-width: 0;
	transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
	will-change: transform;
}

.site-single-products .prod-gallery__slide {
	flex: 0 0 100%;
	width: 100%;
	height: 100%;
	min-width: 0;
	position: relative;
}

.site-single-products .prod-gallery__slide img,
.site-single-products .prod-gallery__video-el {
	width: 100%;
	height: 100%;
	object-fit: contain;
	display: block;
	background: #fff;
}

.site-single-products .prod-gallery__video {
	position: relative;
	width: 100%;
	height: 100%;
}

.site-single-products .prod-gallery__embed {
	width: 100%;
	height: 100%;
}

.site-single-products .prod-gallery__embed iframe,
.site-single-products .prod-gallery__embed video {
	width: 100%;
	height: 100%;
	border: 0;
	display: block;
}

.site-single-products .prod-gallery__play--stage {
	width: 64px;
	height: 64px;
	z-index: 2;
	pointer-events: none;
	opacity: 0;
	transition: opacity .2s;
}

.site-single-products .prod-gallery__play--stage::after {
	border-width: 12px 0 12px 18px;
}

.site-single-products .prod-gallery__slide.is-active[data-type="video"]:not(.is-playing) .prod-gallery__play--stage {
	opacity: 1;
}

/* Info */
.site-single-products .prod-detail-info {
	min-width: 0;
	max-width: 100%;
}

.site-single-products .prod-detail-info__title {
	margin: 0 0 16px;
	font-family: 'Barlow Condensed', sans-serif;
	font-size: 40px;
	font-weight: 700;
	line-height: 1.15;
	text-transform: uppercase;
	color: #1a1a1a;
	letter-spacing: 0.02em;
}

.site-single-products .prod-detail-info__desc {
	margin: 0 0 20px;
	font-family: 'Inter', sans-serif;
	font-size: 15px;
	font-weight: 400;
	line-height: 1.7;
	color: #4b5563;
}

.site-single-products .prod-detail-info__rule {
	border: 0;
	border-top: 1px solid #E5E7EB;
	margin: 0 0 24px;
}

.site-single-products .prod-detail-info__content {
	margin-bottom: 28px;
	font-family: 'Inter', sans-serif;
	font-size: 14px;
	line-height: 1.7;
	color: #1a1a1a;
	overflow-wrap: anywhere;
	word-break: break-word;
}

.site-single-products .prod-detail-info__content img,
.site-single-products .prod-detail-info__content iframe,
.site-single-products .prod-detail-info__content video,
.site-single-products .prod-detail-info__content table {
	max-width: 100%;
}

.site-single-products .prod-detail-info__content > *:first-child {
	margin-top: 0;
}

.site-single-products .prod-detail-info__content > *:last-child {
	margin-bottom: 0;
}

.site-single-products .prod-detail-info__quote {
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	width: 260px;
	height: 60px;
	padding: 0 18px 0 24px;
	box-sizing: border-box;
	background: #FF6A00;
	color: #fff;
	text-decoration: none;
	font-family: 'Inter', sans-serif;
	font-size: 18px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	line-height: 1;
	transition: background .2s;
}

.site-single-products .prod-detail-info__quote:hover {
	background: #E05A00;
	color: #fff;
}

.site-single-products .prod-detail-info__quote-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	line-height: 0;
	flex-shrink: 0;
}

.site-single-products .prod-detail-info__quote-icon img {
	display: block;
	width: 28px;
	height: 28px;
	object-fit: contain;
}

/* ── 板块 2：PRODUCT DESCRIPTION（pro-bott） ── */
.site-single-products .prod-detail-bott {
	padding: 56px 0 72px;
	background: #fff;
}

.site-single-products .prod-detail-bott__title {
	margin: 0 0 20px;
	padding-bottom: 16px;
	border-bottom: 1px solid #E5E7EB;
	font-family: Arial, sans-serif;
	font-size: 28px;
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: #1a1a1a;
}

.site-single-products .prod-detail-bott__content {
	font-family: 'Inter', sans-serif;
	font-size: 15px;
	font-weight: 400;
	line-height: 1.75;
	color: #4b5563;
}

.site-single-products .prod-detail-bott__content > *:first-child {
	margin-top: 0;
}

.site-single-products .prod-detail-bott__content > *:last-child {
	margin-bottom: 0;
}

.site-single-products .prod-detail-bott__content p {
	margin: 0 0 1em;
}

.site-single-products .prod-detail-bott__content img {
	max-width: 100%;
	height: auto;
	display: block;
}

.site-single-products .prod-detail-bott__content h2,
.site-single-products .prod-detail-bott__content h3,
.site-single-products .prod-detail-bott__content h4 {
	font-family: 'Barlow Condensed', sans-serif;
	font-weight: 700;
	line-height: 1.25;
	color: #0B1F3A;
	margin: 1.5em 0 0.6em;
}

.site-single-products .prod-detail-bott__content h2 {
	font-size: 32px;
	text-transform: uppercase;
	letter-spacing: 0.02em;
}

.site-single-products .prod-detail-bott__content h3 {
	font-size: 26px;
}

.site-single-products .prod-detail-bott__content h4 {
	font-size: 18px;
	font-family: 'Inter', sans-serif;
}

.site-single-products .prod-detail-bott__content ul,
.site-single-products .prod-detail-bott__content ol {
	margin: 0 0 1em;
	padding-left: 1.25em;
}

.site-single-products .prod-detail-bott__content .alignleft {
	float: left;
	margin: 0 1.5em 1em 0;
}

.site-single-products .prod-detail-bott__content .alignright {
	float: right;
	margin: 0 0 1em 1.5em;
}

.site-single-products .prod-detail-bott__content .aligncenter {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.site-single-products .prod-detail-bott__content::after {
	content: '';
	display: table;
	clear: both;
}

/* ── 板块：关联产品轮播（同分类，每页 4） ── */
.site-single-products .prod-related {
	--prod-related-gap: 20px;
	--prod-related-visible: 4;
	padding: 56px 0 72px;
	background: transparent;
}

.site-single-products .prod-related__title {
	margin: 0 0 20px;
	padding-bottom: 16px;
	border-bottom: 1px solid #E5E7EB;
	font-family: Arial, sans-serif;
	font-size: 28px;
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: #1a1a1a;
}

.site-single-products .prod-related__carousel {
	position: relative;
	margin-top: 28px;
}

.site-single-products .prod-related__viewport {
	overflow-x: hidden;
	overflow-y: visible;
	width: 100%;
	/* 避免卡片底边 1px 边框被裁切 */
	padding-bottom: 1px;
}

.site-single-products .prod-related__track {
	display: flex;
	gap: var(--prod-related-gap);
	transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
	will-change: transform;
}

.site-single-products .prod-related__card {
	flex: 0 0 calc(
		(100% - (var(--prod-related-gap) * (var(--prod-related-visible) - 1)))
		/ var(--prod-related-visible)
	);
	aspect-ratio: 1 / 1;
	box-sizing: border-box;
	border: 1px solid #ddd;
	background: #fff;
	overflow: hidden;
	text-decoration: none;
	display: block;
}

.site-single-products .prod-related__card img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform .35s ease;
}

.site-single-products .prod-related__card:hover img {
	transform: scale(1.04);
}

.site-single-products .prod-related__placeholder {
	display: block;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #eee, #e2e2e2);
}

.site-single-products .prod-related__nav {
	position: absolute;
	top: 50%;
	z-index: 2;
	transform: translateY(-50%);
	width: 40px;
	height: 40px;
	border: 1px solid #ddd;
	background: rgba(255, 255, 255, 0.95);
	color: #0B1F3A;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	font-size: 18px;
	line-height: 1;
	transition: border-color .2s, color .2s, background .2s;
}

.site-single-products .prod-related__nav:hover {
	border-color: #FF6A00;
	color: #FF6A00;
}

.site-single-products .prod-related__nav--prev {
	left: -8px;
}

.site-single-products .prod-related__nav--next {
	right: -8px;
}

.site-single-products .prod-related__nav[hidden] {
	display: none !important;
}

/* Pager（与案例详情一致） */
.site-single-products .prod-detail-pager-wrap {
	padding: 0 0 72px;
	background: #fff;
}

.site-single-products .prod-detail-pager {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: 16px;
}

.site-single-products .prod-detail-pager__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 180px;
	height: 48px;
	padding: 0 22px;
	box-sizing: border-box;
	font-family: Arial, sans-serif;
	font-size: 14px;
	font-weight: 400;
	text-decoration: none;
	line-height: 1;
	transition: background .2s, color .2s, border-color .2s;
}

.site-single-products .prod-detail-pager__btn--prev {
	background: #FF6A00;
	border: 1px solid #FF6A00;
	color: #fff;
}

.site-single-products .prod-detail-pager__btn--prev:hover {
	background: #E05A00;
	border-color: #E05A00;
	color: #fff;
}

.site-single-products .prod-detail-pager__btn--next {
	background: #fff;
	border: 1px solid #ddd;
	color: #4b5563;
}

.site-single-products .prod-detail-pager__btn--next:hover {
	border-color: #FF6A00;
	color: #FF6A00;
}

.site-single-products .prod-detail-pager__btn.is-disabled {
	opacity: 0.45;
	pointer-events: none;
}

@media (max-width: 1100px) {
	.site-single-products .prod-detail-hero__grid {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.site-single-products .prod-gallery {
		--prod-thumbs-wrap-w: 80px;
		--prod-thumb-size: 80px;
		--prod-thumb-gap: 10px;
		--prod-stage-size: min(524px, calc(100vw - 48px - 80px - 16px));
		width: 100%;
		max-width: 100%;
		grid-template-columns: var(--prod-thumbs-wrap-w) minmax(0, 1fr);
		justify-content: stretch;
	}

	.site-single-products .prod-gallery__stage {
		width: 100%;
		max-width: none;
		height: auto;
		aspect-ratio: 1 / 1;
	}

	.site-single-products .prod-gallery__thumbs-wrap {
		height: auto;
		align-self: stretch;
		max-height: none;
	}

	.site-single-products .prod-related {
		--prod-related-visible: 3;
		--prod-related-gap: 16px;
	}
}

@media (max-width: 768px) {
	.site-single-products .prod-detail-hero {
		padding: 40px 0;
	}

	.site-single-products .prod-gallery {
		display: flex;
		flex-direction: column;
		grid-template-columns: none;
		gap: 12px;
		width: 100%;
		max-width: 100%;
		--prod-stage-size: 100%;
		--prod-thumbs-wrap-w: 72px;
		--prod-thumb-size: 72px;
		--prod-thumb-gap: 8px;
	}

	.site-single-products .prod-gallery__stage {
		order: 1;
		width: 100%;
		max-width: 100%;
		min-width: 0;
		height: auto;
		aspect-ratio: 1 / 1;
	}

	.site-single-products .prod-gallery__thumbs-wrap {
		order: 2;
		width: 100%;
		height: auto;
		min-width: 0;
	}

	.site-single-products .prod-gallery__thumbs {
		display: flex;
		flex-direction: row;
		flex-wrap: nowrap;
		align-items: stretch;
		gap: 8px;
		width: 100%;
		height: auto;
		max-height: none;
		overflow-x: auto;
		overflow-y: hidden;
		-webkit-overflow-scrolling: touch;
	}

	.site-single-products .prod-gallery__thumb {
		flex: 0 0 72px;
		width: 72px;
		height: 72px;
		min-width: 72px;
	}

	.site-single-products .prod-detail-info__title {
		font-size: clamp(24px, 7vw, 34px);
	}

	.site-single-products .prod-detail-info__quote {
		width: 100%;
		max-width: 100%;
	}

	.site-single-products .prod-detail-bott {
		padding: 40px 0;
	}

	.site-single-products .prod-detail-bott__title {
		font-size: 22px;
	}

	.site-single-products .prod-detail-bott__content iframe,
	.site-single-products .prod-detail-bott__content embed,
	.site-single-products .prod-detail-bott__content video {
		max-width: 100%;
		height: auto;
	}

	.site-single-products .prod-related {
		--prod-related-visible: 2;
		--prod-related-gap: 12px;
		padding: 40px 0;
	}

	.site-single-products .prod-related__title {
		font-size: 22px;
	}

	.site-single-products .prod-related__nav--prev {
		left: 0;
	}

	.site-single-products .prod-related__nav--next {
		right: 0;
	}

	.site-single-products .prod-detail-pager-wrap {
		padding-bottom: 48px;
	}

	.site-single-products .prod-detail-pager {
		flex-direction: column;
		gap: 12px;
	}

	.site-single-products .prod-detail-pager__btn {
		width: 100%;
		min-width: 0;
	}
}

@media (max-width: 480px) {
	.site-single-products .prod-gallery__thumb {
		flex: 0 0 64px;
		width: 64px;
		height: 64px;
		min-width: 64px;
	}

	.site-single-products .prod-detail-info__quote {
		height: 52px;
		font-size: 16px;
		padding: 0 14px 0 18px;
	}
}