/*
 * Sparta Home Products Section
 * Figma 节点: 178:221 / Products 组件
 * 设计基准: 1280px
 *
 * 布局：1 张大卡（644px）+ 3 张小卡（各 212px），共 4 列铺满 1280px。
 * 所有图片通过 MEDIA 控件上传。
 */

/* ────────────────────────────────────────────────
   Section 外层
──────────────────────────────────────────────── */
.sparta-products {
	background-color: #f9f9f8;
	width: 100%;
	padding: 54px 0 80px;
}

.sparta-products__container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 39px;
}

/* ── 标题 ── */
.sparta-products__title {
	font-family: 'Anton', sans-serif;
	font-weight: 400;
	font-style: normal;
	font-size: 48px;
	line-height: 60px;
	color: #012f73;
	margin: 0 0 44px;
	max-width: 534px;
}

/* ────────────────────────────────────────────────
   卡片栅格：全宽到边 + 手风琴展开
   默认大卡占比 3、小卡各占比 1；hover 时被悬停卡展开、其余收缩。
──────────────────────────────────────────────── */
.sparta-products__grid {
	display: flex;
	gap: 0;
	height: 617px;
	width: 100%;
	overflow: hidden;
}

/* ── 公共卡片样式 ── */
.sparta-products__card {
	position: relative;
	overflow: hidden;
	height: 100%;
	flex: 1 1 0;
	min-width: 0;
	transition: flex-grow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 默认：大卡更宽（644:212 ≈ 3:1） */
.sparta-products__card--large {
	flex-grow: 3;
}

/* 手风琴：鼠标进入栅格时，所有卡先收缩为均分，被悬停的卡展开 */
.sparta-products__grid:hover .sparta-products__card {
	flex-grow: 1;
}

.sparta-products__grid:hover .sparta-products__card:hover {
	flex-grow: 3.4;
}

.sparta-products__card-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	transition: transform 0.4s ease;
}

.sparta-products__card:hover .sparta-products__card-bg {
	transform: scale(1.04);
}

/* 底部渐变遮罩 */
.sparta-products__card-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.15) 50%, transparent 100%);
	pointer-events: none;
}

/* ── 卡片文字区（锚定在底部） ── */
.sparta-products__card-body {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 24px;
}

/* 大卡专属文字 */
.sparta-products__card--large .sparta-products__card-body {
	padding: 24px 42px;
}

.sparta-products__card-title {
	font-family: 'Anton', sans-serif;
	font-weight: 400;
	font-style: normal;
	font-size: 30px;
	line-height: 35px;
	color: #ffffff;
	margin: 0 0 12px;
	max-width: 275px;
}

/* 描述：默认隐藏，hover 时滑入 */
.sparta-products__card-desc {
	font-family: 'Montserrat', sans-serif;
	font-weight: 500;
	font-size: 14px;
	line-height: 20px;
	color: #ffffff;
	margin: 0 0 16px;
	max-width: 275px;
	opacity: 0;
	transform: translateY(8px);
	transition: opacity 0.35s ease, transform 0.35s ease;
}

/* 按钮：默认隐藏，hover 时滑入（比描述稍慢，形成层叠感） */
.sparta-products__btn {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	background-color: #ffd739;
	padding: 7px 23px;
	border-radius: 5px;
	height: 44px;
	text-decoration: none;
	box-sizing: border-box;
	margin-top: 4px;
	cursor: pointer;
	opacity: 0;
	transform: translateY(8px);
	transition: opacity 0.35s ease 0.05s, transform 0.35s ease 0.05s, background-color 0.3s ease;
	position: relative;
	z-index: 2;
}

/* 默认状态：展开的大卡初始就显示描述和按钮 */
.sparta-products__card--large .sparta-products__card-desc,
.sparta-products__card--large .sparta-products__btn {
	opacity: 1;
	transform: translateY(0);
}

/* 展开后（卡片被 hover）描述和按钮显示 */
.sparta-products__grid:hover .sparta-products__card:hover .sparta-products__card-desc,
.sparta-products__grid:hover .sparta-products__card:hover .sparta-products__btn {
	opacity: 1;
	transform: translateY(0);
}

/* 鼠标移入栅格后：未被悬停的大卡收起描述和按钮 */
.sparta-products__grid:hover .sparta-products__card--large:not(:hover) .sparta-products__card-desc,
.sparta-products__grid:hover .sparta-products__card--large:not(:hover) .sparta-products__btn {
	opacity: 0;
	transform: translateY(8px);
}

/* 小卡全卡可点击覆盖层 */
.sparta-products__card-link {
	position: absolute;
	inset: 0;
	z-index: 1;
}

.sparta-products__btn-text {
	font-family: 'Montserrat', sans-serif;
	font-weight: 600;
	font-size: 18px;
	line-height: 20px;
	color: #054fbd;
	white-space: nowrap;
	transition: color 0.3s ease;
}

.sparta-products__btn-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

.sparta-products__btn-icon svg {
	width: 20px;
	height: 20px;
}

.sparta-products__btn-icon svg path {
	transition: stroke 0.3s ease;
}

/* hover：黄底蓝字 → 蓝底黄字 */
.sparta-products__btn:hover {
	background-color: #054fbd;
}

.sparta-products__btn:hover .sparta-products__btn-text {
	color: #ffd739;
}

.sparta-products__btn:hover .sparta-products__btn-icon svg path {
	stroke: #ffd739;
}

/* ────────────────────────────────────────────────
   响应式
──────────────────────────────────────────────── */

/* 手机 ≤767px — 单列堆叠，关闭手风琴 */
@media (max-width: 767px) {
	.sparta-products {
		padding: 40px 0 60px;
	}

	.sparta-products__container {
		padding: 0 16px;
	}

	.sparta-products__title {
		font-size: 32px;
		line-height: 44px;
		margin-bottom: 28px;
	}

	.sparta-products__grid {
		flex-direction: column;
		height: auto;
	}

	/* 关闭手风琴，恢复固定高度 */
	.sparta-products__card,
	.sparta-products__card--large,
	.sparta-products__grid:hover .sparta-products__card,
	.sparta-products__grid:hover .sparta-products__card:hover {
		flex: none;
		height: 280px;
	}

	/* 手机端始终显示描述和按钮 */
	.sparta-products__card-desc,
	.sparta-products__btn {
		opacity: 1;
		transform: translateY(0);
	}

	.sparta-products__card-title {
		font-size: 24px;
		line-height: 30px;
		max-width: 100%;
	}

	.sparta-products__card--large .sparta-products__card-body {
		padding: 20px;
	}
}

/* 平板 768px–1279px — 保留手风琴，仅降低高度 */
@media (min-width: 768px) and (max-width: 1279px) {
	.sparta-products__container {
		padding: 0 24px;
	}

	.sparta-products__grid {
		height: 480px;
	}
}

/* 大屏 ≥1800px — 全宽不变，仅标题居中限宽 */
@media (min-width: 1800px) {
	.sparta-products__container {
		max-width: 1600px;
	}

	.sparta-products__grid {
		height: 720px;
	}
}