/* =========================================================
   解决方案列表页样式
   ========================================================= */

/* ===== 外层容器 ===== */
.case-video-wrap {
	padding: 60px 0 80px 0;
}

/* ===== 页面标题 ===== */
.case-video-wrap .page-title {
	text-align: center;
	margin-bottom: 60px;
}
.case-video-wrap .page-title h1 {
	font-size: 36px;
	color: #222;
	font-weight: bold;
	line-height: 1.3;
	margin: 0;
}
.case-video-wrap .title-line {
	width: 60px;
	height: 3px;
	background: #c52525;
	margin: 18px auto;
}
.case-video-wrap .page-subtitle {
	font-size: 15px;
	color: #777;
	line-height: 1.8;
	max-width: 760px;
	margin: 0 auto;
}

/* ===== 列表 ===== */
.case-video-list {
	display: flex;
	flex-direction: column;
	gap: 60px;
}
.case-video-item {
	display: flex;
	align-items: flex-start;
	gap: 50px;
}

/* ===== 左侧媒体 ===== */
.case-video-media {
	flex: 0 0 48%;
	max-width: 48%;
}

/* 图片容器：用 aspect-ratio 统一 2:1 */
.case-video-link {
	display: block;
	position: relative;
	overflow: hidden;
	border: 1px solid #ddd;
	background: #000;
	width: 100%;
	aspect-ratio: 2 / 1;
	-webkit-aspect-ratio: 2 / 1;
}

/* 图片铺满容器 */
.case-video-img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	transition: transform 0.6s ease;
}
.case-video-link:hover .case-video-img {
	transform: scale(1.05);
}

/* ===== 播放按钮 ===== */
.case-video-play {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: 70px;
	height: 70px;
	line-height: 70px;
	text-align: center;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.95);
	color: #e94e1b;
	font-size: 26px;
	z-index: 3;
	box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
	transition: all 0.3s ease;
}
.case-video-play i {
	margin-left: 4px;
}
.case-video-link:hover .case-video-play {
	background: #e94e1b;
	color: #fff;
}

/* ===== 底部标题条 ===== */
.case-video-caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 2;
	display: block;
	padding: 12px 18px;
	font-size: 16px;
	color: #fff;
	font-weight: bold;
	line-height: 1.4;
	background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.75) 100%);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* ===== 右侧文字 ===== */
.case-video-info {
	flex: 1;
	padding-top: 10px;
	min-width: 0;
}
.case-video-title {
	font-size: 24px;
	color: #222;
	font-weight: bold;
	line-height: 1.4;
	margin: 0 0 22px 0;
}
.case-video-title a {
	color: #222;
}
.case-video-title a:hover {
	color: #c52525;
}
.case-video-desc {
	font-size: 15px;
	color: #666;
	line-height: 1.9;
	margin: 0 0 18px 0;
}
.case-video-product {
	font-size: 15px;
	color: #333;
	line-height: 1.8;
	margin: 0 0 30px 0;
}
.case-video-product strong {
	color: #222;
}
.case-video-product a {
	color: #e94e1b;
	text-decoration: underline;
}
.case-video-product a:hover {
	color: #c52525;
}

/* ===== 按钮 ===== */
.case-video-btn {
	display: inline-block;
	padding: 0 36px;
	height: 48px;
	line-height: 48px;
	font-size: 15px;
	font-weight: bold;
	color: #fff;
	background: #e94e1b;
	border-radius: 2px;
	text-decoration: none;
	transition: all 0.3s ease;
}
.case-video-btn:hover {
	background: #c52525;
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 6px 18px rgba(233, 78, 27, 0.35);
}

/* ===== 分页 ===== */
.case-pagination {
	text-align: center;
	margin-top: 60px;
}

/* =========================================================
   响应式
   ========================================================= */

/* 中等屏幕 */
@media screen and (max-width: 1000px) {
	.case-video-item {
		gap: 30px;
	}
	.case-video-title {
		font-size: 20px;
	}
	.case-video-play {
		width: 56px;
		height: 56px;
		line-height: 56px;
		font-size: 22px;
	}
}

/* =========================================================
   手机端
   ========================================================= */
@media screen and (max-width: 760px) {
	.case-video-wrap {
		padding: 40px 0 50px 0;
	}
	.case-video-wrap .page-title {
		margin-bottom: 35px;
	}
	.case-video-wrap .page-title h1 {
		font-size: 24px;
	}
	.case-video-wrap .page-subtitle {
		font-size: 13px;
		padding: 0 10px;
	}
	.case-video-list {
		gap: 40px;
	}
	.case-video-item {
		flex-direction: column;
		gap: 20px;
	}
	.case-video-media {
		flex: 0 0 100%;
		max-width: 100%;
		width: 100%;
	}

	/* 手机端保持 2:1 */
	.case-video-link {
		aspect-ratio: 2 / 1;
		-webkit-aspect-ratio: 2 / 1;
	}

	.case-video-play {
		width: 48px;
		height: 48px;
		line-height: 48px;
		font-size: 18px;
	}
	.case-video-caption {
		font-size: 14px;
		padding: 10px 12px;
	}
	.case-video-title {
		font-size: 18px;
		margin-bottom: 14px;
	}
	.case-video-desc {
		font-size: 13px;
		margin-bottom: 12px;
	}
	.case-video-product {
		font-size: 13px;
		margin-bottom: 20px;
	}
	.case-video-btn {
		height: 40px;
		line-height: 40px;
		padding: 0 26px;
		font-size: 14px;
	}
}

/* =========================================================
   解决方案详情页
   ========================================================= */

.solution-detail {
	padding: 10px 0 60px 0;
}

/* 标题区 */
.solution-detail-head {
	border-bottom: 1px solid #eee;
	padding-bottom: 20px;
	margin-bottom: 30px;
}
.solution-detail-title {
	font-size: 28px;
	color: #222;
	font-weight: bold;
	line-height: 1.4;
	margin: 0 0 14px 0;
	text-align: center;
}
.solution-detail-meta {
	text-align: center;
	font-size: 13px;
	color: #999;
}
.solution-detail-meta i {
	margin-right: 4px;
}

/* 视频区 */
.solution-detail-video {
	width: 100%;
	margin: 0 auto 36px auto;
	background: #000;
	border-radius: 4px;
	overflow: hidden;
	line-height: 0;
}
.solution-detail-video video {
	width: 100%;
	height: auto;
	display: block;
	background: #000;
}
.solution-detail-video img {
	width: 100%;
	height: auto;
	display: block;
}

/* 小标题 */
.solution-detail-subtitle {
	font-size: 18px;
	color: #222;
	font-weight: bold;
	line-height: 1.5;
	margin: 0 0 14px 0;
	padding-left: 12px;
	border-left: 4px solid #c52525;
}

/* 简介 */
.solution-detail-intro {
	margin-bottom: 34px;
}
.solution-detail-intro p {
	font-size: 15px;
	color: #555;
	line-height: 1.9;
	margin: 0;
	padding: 16px 20px;
	background: #f8f8f8;
	border-radius: 4px;
}

/* 内容详情 */
.solution-detail-content {
	margin-bottom: 40px;
}
.solution-detail-content .description {
	font-size: 15px;
	color: #444;
	line-height: 1.9;
}
.solution-detail-content .description img {
	max-width: 100%;
	height: auto;
	display: block;
	margin: 12px auto;
}
.solution-detail-content .description p {
	margin: 0 0 12px 0;
}

/* 分页 */
.solution-detail .pager {
	list-style: none;
	padding: 0;
	margin: 0;
	border-top: 1px solid #eee;
	padding-top: 20px;
}
.solution-detail .pager li {
	display: block;
	font-size: 14px;
	color: #666;
	line-height: 2;
}
.solution-detail .pager li a {
	color: #333;
}
.solution-detail .pager li a:hover {
	color: #c52525;
}

/* =========================================================
   响应式
   ========================================================= */
@media screen and (max-width: 760px) {
	.solution-detail {
		padding: 0 0 40px 0;
	}
	.solution-detail-title {
		font-size: 20px;
		margin-bottom: 10px;
	}
	.solution-detail-head {
		padding-bottom: 14px;
		margin-bottom: 20px;
	}
	.solution-detail-video {
		margin-bottom: 24px;
	}
	.solution-detail-subtitle {
		font-size: 16px;
		margin-bottom: 10px;
	}
	.solution-detail-intro p {
		font-size: 14px;
		padding: 12px 14px;
	}
	.solution-detail-content .description {
		font-size: 14px;
	}
}
/* 推荐产品（视频下方） */
.solution-detail-product {
	text-align: center;
	font-size: 15px;
	color: #333;
	line-height: 1.8;
	margin: -16px 0 34px 0;   /* 视频下方间距收紧 */
	padding: 14px 20px;
	background: #f8f8f8;
	border-radius: 4px;
}
.solution-detail-product strong {
	color: #222;
}
.solution-detail-product a {
	color: #e94e1b;
	text-decoration: underline;
}
.solution-detail-product a:hover {
	color: #c52525;
}

/* 手机端 */
@media screen and (max-width: 760px) {
	.solution-detail-product {
		font-size: 13px;
		margin: -8px 0 24px 0;
		padding: 12px 14px;
	}
}