/* ========== 方案1：渐变网格背景 ========== */
.hero-section-1 {
	width: 100%;
	height: clamp(500px, 48vh, 550px);

}

.img {
	width: 100%;
	height: auto;
}

.ls-bg {
	width: 100%;
	display: block;
}

.service-image {
	width: 100%;
	margin-top: 65px;
}

/* 创新实力区域 */
.innovation-section {
	width: 90%;
	height: auto;
	display: flex;
	margin-left: auto;
	margin-right: auto;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 30px;
	padding: 10px 0px;
}

/* 内容区域样式 */
.hero-content {

	z-index: 10;
	width: 100%;
	height: 100%;

	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	padding: 0 20px;
}

.hero-content h1 {
	font-size: 56px;
	font-weight: 700;
	margin-bottom: 20px;
}

.hero-content p {
	font-size: 20px;
	max-width: 800px;
	line-height: 1.6;
	margin-bottom: 0px;
	opacity: 0.9;
}

/* 背景视频容器 */
.video-background {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 600px;
	z-index: -1;
	overflow: hidden;
}

.video-background video {
	position: absolute;
	top: 50%;
	left: 50%;
	min-width: 100%;
	min-height: 100%;
	width: auto;
	height: auto;
	transform: translate(-50%, -50%);
	object-fit: cover;
}

/* 视频遮罩层（提高文字可读性） */
.video-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.1);
	/* 半透明黑色遮罩 */
	backdrop-filter: blur(2px);
	/* 轻微模糊效果 */
}



/* 动画 */
@keyframes moveBackground {
	0% {
		transform: translate(0, 0);
	}

	100% {
		transform: translate(50px, 50px);
	}
}

@keyframes float {

	0%,
	100% {
		transform: translateY(0) translateX(0);
	}

	25% {
		transform: translateY(-20px) translateX(10px);
	}

	50% {
		transform: translateY(-40px) translateX(-10px);
	}

	75% {
		transform: translateY(-20px) translateX(10px);
	}
}

@keyframes rotate {
	0% {
		transform: rotate(0deg);
	}

	100% {
		transform: rotate(360deg);
	}
}

/* 响应式 */
@media screen and (max-width: 768px) {
	.hero-section-1 {
		height: 250px;
		padding-top: 50px;
	}

	.hero-content h1 {
		font-size: 36px;
	}

	.hero-content p {
		font-size: 16px;
	}

	.hero-content .btn {
		padding: 12px 30px;
		font-size: 16px;
	}
}

/* 分隔线 */
.divider {
	height: 50px;
	background: #f5f5f5;
}

.modules-container {
	display: flex;
	flex-direction: column;
}

.content-wrapper {
	display: flex;
	align-items: center;
	padding: 10px 0px;
	gap: 20px;
	width: 92%;
	margin-left: auto;
	margin-right: auto;
	border-radius: 8px;
}

/* 左侧文字区域 */
.text-section {
	flex: 1;
	width: 100%;
}

.title {
	font-size: 48px;
	font-weight: 600;
	color: #1a1a1a;
	margin-bottom: 40px;
	letter-spacing: 2px;
}

.description {
	font-size: 16px;
	line-height: 2;
	margin-bottom: 30px;
	text-align: justify;
	color: #000000;
}

.description:last-child {
	margin-bottom: 0;
}

/* 右侧图片区域 */
.image-section {
	flex: 1;
	flex-shrink: 0;
	transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-container {
	width: 100%;
	border-radius: 8px;
	/* 改为圆角方形 */
	overflow: hidden;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
	position: relative;
}

.image-section img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transform: translateZ(0);
}

/* 悬停时放大背景 */
.image-section::before {
	transform: scale(1.05);
	background-color: #ececec;
}



.focus-image-container {
	width: 100%;
	overflow: hidden;
}

.focus-image-container img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.order-1 {
	order: 1;
}

.order-2 {
	order: 2;
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
	.content-wrapper {
		padding: 50px 60px;
		gap: 60px;
	}



	.title {
		font-size: 40px;
	}

	.description {
		font-size: 15px;
	}
}

@media screen and (max-width: 992px) {
	.content-wrapper {
		flex-direction: column;
		padding: 40px;
		gap: 40px;
	}

	.image-container {
		left: 15%;
		width: 70%;
		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	}

	.image-section img {
		width: 100%;
		height: 100%;
		object-fit: cover;
		display: block;
	}



	.title {
		font-size: 36px;
		text-align: center;
	}

	/* Reset order for desktop */
	.md-order-1 {
		order: 1;
	}

	.md-order-2 {
		order: 2;
	}
}

@media screen and (max-width: 768px) {
	.content-wrapper {
		padding: 30px 20px;
	}

	.image-container {
		left: 7.5%;
		width: 85%;
		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
	}

	.focus-image-container {
		width: 100%;
	}

	.title {
		font-size: 32px;
		margin-bottom: 30px;
	}

	.description {
		font-size: 15px;
		line-height: 1.8;
	}

	/* Reset order for desktop */
	.md-order-1 {
		order: 1;
	}

	.md-order-2 {
		order: 2;
	}
}

@media screen and (max-width: 480px) {
	body {
		padding: 10px;
	}

	.container {
		border-radius: 15px;
	}

	.content-wrapper {
		padding: 25px 15px;
	}

	.title {
		font-size: 28px;
		margin-bottom: 25px;
	}

	.description {
		font-size: 13px;
	}
}

/* 页面容器 */
.container {
	max-width: 1200px;
	margin: 0 auto;
	background: #ffffff;
	padding: 60px 40px;
	border-radius: 8px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* 标题区域 */
.header {
	text-align: center;
	margin-top: 50px;
	margin-bottom: 50px;
}

.header h1 {
	font-size: 32px;
	color: #333;
	margin-bottom: 20px;
	font-weight: 500;
}

.header h1 .english {
	color: #4db8a8;
	font-weight: 400;
}

.header .divider {
	width: 100px;
	height: 2px;
	background: linear-gradient(to right, transparent, #4db8a8, transparent);
	margin: 20px auto;
}

.header .subtitle {
	font-size: 18px;
	color: #1b1b1b;
	line-height: 1.8;
}

/* 时间轴容器 */
.timeline {
	position: relative;
	width: 92%;
	margin-left: auto;
	margin-right: auto;
}

/* 中间的垂直线 */
.timeline::before {
	content: '';
	position: absolute;
	left: 50%;
	top: 0;
	bottom: 0;
	width: 2px;
	background: #e0e0e0;
	transform: translateX(-50%);
}

/* 时间轴项目 */
.timeline-item {
	position: relative;
	margin-bottom: 10px;
	display: flex;
	align-items: center;
}

.timeline-item:last-child {
	margin-bottom: 0;
}

/* 左侧内容 */
.timeline-item.left .content {
	margin-right: auto;
	margin-left: 0;
	padding-right: 30px;
	text-align: right;
}

/* 右侧内容 */
.timeline-item.right .content {
	margin-left: auto;
	margin-right: 0;
	padding-left: 30px;
	text-align: left;
}

/* 内容卡片 */
.content {
	width: 45%;
	background: #f4f4f4;
	padding: 24px 28px;
	border-radius: 5px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
	transition: all 0.3s ease;
}

.content:hover {
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
	transform: translateY(-1px);
	background: #4db8a8;
}

.timeline-item:hover .timeline-dot,
.timeline-item:hover .content {
	background: #23b8bc;
	border-color: #4db8a8;
	box-shadow: 0 0 0 2px rgba(77, 184, 168, 0.2);
}

.timeline-item:hover .content h3,
.timeline-item:hover .content .date,
.timeline-item:hover .content p {
	color: #ffffff;
}

.content h3 {
	font-size: 18px;
	color: #000000;
	margin-bottom: 12px;
	font-weight: 500;
	font-weight: bold;
}

.content .date {
	font-size: 15px;
	color: #616161;
	margin-bottom: 10px;
}

.content p {
	font-size: clamp(13px, 1vw, 16px);
	color: #000000;
	line-height: 1.8;
	text-align: left;
}



/* 中间的圆点 */
.timeline-dot {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 25px;
	height: 25px;
	background: #ffffff;
	border: 3px solid #e0e0e0;
	border-radius: 50%;
	transform: translateX(-50%);
	z-index: 2;
	transition: all 0.3s ease;
}

/* 激活状态的圆点 */
.timeline-item.active .timeline-dot {
	background: #4db8a8;
	border-color: #4db8a8;
	box-shadow: 0 0 0 4px rgba(77, 184, 168, 0.2);
}

/* Start 按钮 */
.start-button {
	text-align: center;
	margin-top: 30px;
}

.start-button button {
	padding: 12px 45px;
	background: #49c1ad;
	color: #ffffff;
	border: none;
	border-radius: 4px;
	font-size: 16px;
	cursor: pointer;
	transition: all 0.3s ease;
	box-shadow: 0 2px 8px rgba(77, 184, 168, 0.3);
}

.start-button button:hover {
	background: #4fbeae;
	box-shadow: 0 4px 12px rgba(77, 184, 168, 0.4);
	transform: translateY(-2px);
}

/* 标题部分 */
.title-section {
	text-align: center;
	margin-bottom: 30px;
}

.main-title {
	font-size: 28px;
	letter-spacing: 0px;
	font-weight: bold;
	color: #0f0f0f;
	margin-bottom: 0px;
}

.sub-title {
	font-size: 16px;
	color: #818181;
	font-weight: 600;
}

/* 核心内容区域 - 响应式布局 */
.content-section {
	position: relative;
	width: 100%;
	height: clamp(400px, 50vw, 720px);
	background-size: cover;
	background-repeat: no-repeat;
	/* 用于监听元素是否进入视口 */
	transition: opacity 0.5s ease;
	/* 新增：确保容器相对定位的基准稳定 */
	margin: 0 auto;
	border-radius: 8px;
}

.content-section.visible {
	opacity: 1;
}

/* 文字内容定位 - 使用响应式单位确保适配 */
.ip-label {
	position: absolute;
	top: clamp(40px, 10vw, 80px);
	left: clamp(50px, 12vw, 120px);
	font-size: clamp(18px, 4vw, 28px);
	font-weight: bold;
	color: #333;
}

.patent-box {
	position: absolute;
	top: clamp(80px, 10vw, 200px);
	left: clamp(50px, 10vw, 120px);
	background-color: rgba(77, 184, 168, 0.85);
	color: white;
	padding: clamp(15px, 4vw, 25px) clamp(20px, 5vw, 30px);
	border-radius: 8px;
}

.patent-total {
	font-size: clamp(30px, 6vw, 80px);
	font-weight: bold;
	line-height: 1;
	margin-top: 10px;
}

.patent-desc {
	font-size: clamp(13px, 3vw, 24px);
	margin-top: 5px;
}

/* 专利类型容器 - 修复原定位问题 */
.patent-container {
	position: absolute;
	width: clamp(140px, 50vw, 550px);
	max-width: 1000px;
	height: 30%;
	/* 匹配图片比例 */
	margin-top: clamp(130px, 28vw, 400px);
	left: clamp(50px, 10vw, 100px);
	background-size: cover;
	background-position: center;
	overflow: hidden;
}

/* 文字内容容器 */
.patent-content {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	/* 移动端占满宽度 */
	height: 100%;
	display: flex;
	justify-content: space-around;
	align-items: center;
	color: #000;
	/* 移动端内边距 */
}

/* 单个专利项样式 */
.patent-item {
	text-align: center;
	flex: 1;
	/* 均分宽度 */
	max-width: 140px;
	/* 限制最大宽度 */
}

/* 专利类型文字样式 */
.patent-type {
	font-size: clamp(12px, 1.5vw, 20px);
	/* 响应式字体 */
	font-weight: 600;
	margin-bottom: 8px;
	letter-spacing: 1px;
}

/* 专利数量数字样式 */
.patent-number {
	font-size: clamp(22px, 4vw, 50px);
	/* 响应式字体 */
	font-weight: bold;
	line-height: 1;
}

.date-label {
	position: absolute;
	bottom: clamp(30px, 8vw, 60px);
	left: clamp(50px, 12vw, 120px);
	font-size: clamp(12px, 2vw, 16px);
	color: #000000;
	font-weight: 500;
}

/* 移动端适配优化 - 核心居中调整 */
@media (max-width: 768px) {
	.patent-container {
		width: 80%;
		height: 45%;
		/* 匹配图片比例 */
		bottom: clamp(20px, 5vh, 150px);
		margin: 0 auto;
		background-size: cover;
		background-position: center;
		overflow: hidden;
	}

	.content-section {
		height: clamp(190px, 45vh, 550px);
		width: 100%;
		/* 适度留边 */
		margin: 0 auto;
		/* 容器居中 */
	}

	/* 移动端绝对定位元素居中 */
	.ip-label,
	.patent-box,
	.date-label {
		left: 50%;
		transform: translateX(-50%);
		/* 水平居中核心 */
		text-align: center;
	}

	.patent-types {
		flex-direction: column;
		gap: 5px;
		align-items: center;
	}

	/* 移动端专利项换行适配 */
	.patent-content {
		flex-wrap: wrap;
		gap: 15px 0;
		padding: 20px 0;
	}


}

/* 响应式设计 - 平板 */
@media screen and (max-width: 1024px) {
	.container {
		padding: 40px 30px;
	}

	.content {
		width: 42%;
	}

	.timeline::before {
		left: 20px;
	}

	.timeline-item {
		flex-direction: column;
		align-items: flex-start;
		padding-left: 50px;
	}

	.timeline-item.left .content {
		padding-left: 40px;
		width: 100%;
		text-align: left;
	}

	.timeline-item.right .content {
		padding-left: 40px;
		width: 100%;
		text-align: left;
	}

	.timeline-dot {
		left: 20px;
		top: 50%;
	}
}

/* 响应式设计 - 手机 */
@media screen and (max-width: 768px) {
	.container {
		padding: 30px 20px;
	}

	.header h1 {
		font-size: 24px;
	}

	.header .subtitle {
		font-size: 13px;
	}

	/* 移动端时间轴改为单列 */
	.timeline::before {
		left: 0px;
		width: 0px;
	}

	.timeline-item {
		flex-direction: column;
		align-items: flex-start;
		padding-left: 2px;
		padding: 10px;
	}

	.timeline-item.left .content,
	.timeline-item.right .content {
		width: 100%;
		margin: 0;
		padding: 10px;
		text-align: left;
	}

	.timeline-dot {
		visibility: hidden;
	}

	.content h3 {
		font-size: 16px;
	}

	.content .date {
		font-size: 12px;
	}

	.content p {
		font-size: 13px;
	}

	.start-button button {
		padding: 10px 36px;
		font-size: 14px;
	}
}

@media screen and (max-width: 480px) {
	.container {
		padding: 20px 15px;
	}

	.header h1 {
		font-size: 20px;
	}

	.timeline-item {
		padding-left: 0px;
		margin-bottom: 10px;
	}

	.content {
		padding: 16px;
	}

	.content h3 {
		font-size: 15px;
	}

	.patent-container {
		position: absolute;
		height: 35%;
		/* 匹配图片比例 */
		width: 80%;
		bottom: clamp(90px, 8vh, 250px);
	}

	.patent-item {
		flex: 0 0 45%;
		/* 一行显示2个 */
		max-width: none;
		margin-bottom: 10px;
	}
}

@media screen and (min-width: 2560px) {
	.container {
		max-width: 1350px;
	}

	.content-wrapper {
		display: flex;
		align-items: center;
		padding: 10px 20px;
		gap: 30px;
	}
	/* 时间轴容器 */
	.timeline {
		position: relative;
		width: 99%;
		margin-left: auto;
		margin-right: auto;
	}
	.image-container {
		width: 100%;
	}

	.timeline {
		padding: 20px 60px;
	}
}