* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "微软雅黑", sans-serif;
}

body {
	line-height: 1.6;
	color: #333;
	overflow-x: hidden;
	/* 防止移动端横向滚动 */
}

.container {
	width: 90%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 15px;
}

.container-full {
	width: 95%;
	max-width: 1300px;
	margin: 0 auto;
	padding: 0 15px;
}

.intro-video .container-full {
	display: flex;
	align-items: center;
	gap: 20px;
	flex-flow: row wrap;
}

.header {
	background-color: rgba(0, 0, 0, 0);
	color: #fff;
	padding: 10px 0;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 999;
	transition: background-color 0.3s ease;
	/* 平滑过渡 */
}

.header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo img {
	height: 56px;
	width: auto;
	/* 保持宽高比 */
}

.nav ul {
	display: flex;
	list-style: none;
}

.nav ul li {
	margin-left: 30px;
}

.nav ul li a {
	color: #fff;
	text-decoration: none;
	transition: color 0.3s;
	font-size: 22px;
}

.nav1 ul li a {
	color: #000;
	text-decoration: none;
	transition: color 0.3s;
	font-size: 18px;
}
html[lang='en'] .nav ul li a
 {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 16px;
}
html[lang='en'] .nav1 ul li a {
	color: #000;
	text-decoration: none;
	transition: color 0.3s;
	font-size: 16px;
}
.nav ul li a:hover {
	color: #00a8e8 !important;
}

.nav ul li a.active {
	color: #00a8e8 !important;
}

.hamburger {
	display: none;
	font-size: 24px;
	cursor: pointer;
	color: #00a8e8;
	z-index: 1000;
	/* 确保在最上层 */
}

.hero {
	background: url('../img/indexbanner.jpg') center/cover no-repeat;
	color: #fff;
	padding: 70px 0;
	padding-top: 214px;
	min-height: 500px;
	/* 保证最小高度 */
	display: flex;
	align-items: end;
	position: relative;
}
.hero .container{
    max-width: 940px;
}

.hero::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.3);
	/* 增加遮罩提升文字可读性 */
}

.hero .container {
	position: relative;
	z-index: 1;
}

.hero h1 {
	font-size: 30px;
	margin-bottom: 20px;
	font-weight: 400;
}

.hero p {
	font-size: 52px;
	font-weight: 700;
	line-height: 1.2;
	margin-top: 56px;
}

html[lang='en'] .hero h1 {
	font-size: 22px;
}

html[lang='en'] .hero p {
	font-size: 32px;
}

.hero span {
	color: #00a8e8;
}

.intro-video {
	background-color: #eee;
	padding: 40px 0;
	/* 增加内边距 */
}

.intro-video .container {
	display: flex;
	align-items: center;
	gap: 40px;
	flex-wrap: wrap;
	/* 兼容中等屏幕 */
}

.video-placeholder {
	cursor: pointer;
	width: 38%;
}

.video-placeholder img {
	width: 100%;
	height: auto;
	display: block;
	/* 去除图片下方空隙 */
}

.intro-text {
	flex: 1;
	min-width: 300px;
	/* 最小宽度 */
}

.intro-text h2 {
	font-size: 28px;
	margin-bottom: 15px;
}

.intro-text p {
	margin-bottom: 20px;
	font-size: 16px;
	line-height: 1.8;
}

.intro-text button {
	background-color: #000;
	color: #fff;
	border: none;
	padding: 12px 24px;
	cursor: pointer;
	transition: background-color 0.3s;
	font-size: 16px;
	border-radius: 4px;
	/* 轻微圆角 */
}

.intro-text button:hover {
	background-color: #333;
}

.company-data {
	padding: 60px 0;
	text-align: center;
	background-color: #eee;
	margin: 20px 0;
}

.company-data p {
	max-width: 1200px;
	margin: 0 auto 30px;
	font-size: 32px;
	font-weight: 500;
	line-height: 1.5;
	padding: 0 15px;
}

html[lang='en'] .company-data p {
	font-size: 20px !important;
}

.data-cards {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	/* 增加间隙 */
	flex-wrap: wrap;
	/* 兼容中等屏幕 */
}

.data-cards .data-card {
	width: calc(100% / 3 - 15px);
	border-right: 2px solid #000;
	padding: 0 15px;
}

.data-cards .data-card:last-child {
	border-right: none;
}

.data-card span {
	font-size: 80px;
	font-weight: 900;
	display: block;
	margin-bottom: 10px;
}

.business-areas {
	display: flex;
	margin-bottom: 20px;
	gap: 5px;
	flex-wrap: wrap;
	/* 兼容中等屏幕 */
}

.area-card {
	flex: 1;
	min-width: 250px;
	/* 最小宽度 */
	height: 400px;
	background-size: cover;
	background-position: center;
	color: #fff;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	padding: 20px;
	position: relative;
	overflow: hidden;
}

.area-card::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
}

.area-card h3,
.area-card a {
	position: relative;
	z-index: 1;
	text-align: center;
}

.area-card h3 {
	font-size: 28px;
}

.area-card a {
	font-size: 24px;
}

.area-card a {
	color: #fff;
	text-decoration: none;
	margin-top: 10px;
	display: inline-block;
	transition: color 0.3s;
}

.area-card a:hover {
	color: #00a8e8;
}

.global-intro {
	padding: 40px 0;
	background-color: #eee;
}

.global-intro .container {
	display: flex;
	align-items: center;
	gap: 40px;
	flex-wrap: wrap;
	/* 兼容中等屏幕 */
}

.global-intro .intro-text {
	flex: 1;
	min-width: 300px;
}

.global-intro .world-map {
	flex: 1;
	min-width: 300px;
}

.global-intro .world-map img {
	max-width: 100%;
	height: auto;
	display: block;
}

.partners {
	padding: 60px 0;
	text-align: center;
	background-color: #eee;
	margin-top: 20px;
}

.partners h2 {
	margin-bottom: 30px;
	text-align: left;
	font-size: 28px;
}

.partner-logos {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	/* 居中排列 */
	gap: 20px;
	/* 减小间隙 */
	align-items: center;
}

.partner-logo-item {
	width: calc(50% - 10px);
	/* 移动端两列 */
	max-width: 260px;
	height: 150px;
	/* 减小高度 */
	background-color: #fff;
	border: 1px solid #000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 15px;
	overflow: hidden;
}

.partner-logos img {
	max-height: 160px;
	/* 调整最大高度 */
	max-width: 100%;
	width: auto;
}

.footer {
	background-color: #1b1b1b;
	color: #fff;
	padding: 40px 0;
	padding-bottom: 20px;
}

.footer-links {
	display: flex;
	justify-content: space-between;
	margin-bottom: 30px;
	flex-wrap: wrap;
	/* 兼容中等屏幕 */
	gap: 30px;
}

.footer-links .list {
	flex: 1;
	display: flex;
	flex-direction: column;
}

.footer-links h3 {
	margin-bottom: 15px;
	font-size: 18px;
}

.footer-links ul {
	list-style: none;
}

.footer-links ul li {
	margin-bottom: 8px;
}

.footer-links ul li a {
	color: #ccc;
	text-decoration: none;
	transition: color 0.3s;
	font-size: 14px;
}

.footer-links ul li a:hover {
	color: #fff;
}

.footer-links .qrcode {
	max-width: 90px;
	height: auto;
	margin-top: 10px;
}

.copyright {
	text-align: center;
	font-size: 16px;
	color: #fff;
	padding-top: 20px;
	border-top: 1px solid rgba(255, 255, 255, 1);
}

/* 媒体查询优化 - 断点调整为1200px（平板/手机） */
@media (max-width: 1200px) {

	/* 中等屏幕适配 */
	.hero h1 {
		font-size: 32px;
	}

	.hero p {
		font-size: 40px;
	}

	html[lang='en'] .hero h1 {
		font-size: 18px;
	}

	html[lang='en'] .hero p {
		font-size: 28px;
	}

	.company-data p {
		font-size: 24px;
	}

	.data-card span {
		font-size: 60px;
	}
}

@media (max-width: 1200px) {

	/* 平板/大屏手机 */
	.hamburger {
		display: block;
	}

	.nav {
		position: fixed;
		/* 改为fixed防止滚动 */
		top: 0;
		left: 0;
		width: 100%;
		height: 100vh;
		background-color: rgba(0, 0, 0, 0.95);
		transform: translateX(-100%);
		/* 从左侧滑入 */
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
		padding-top: 80px;
		/* 避开header */
		z-index: 998;
	}

	.nav1 {
		position: fixed;
		/* 改为fixed防止滚动 */
		top: 0;
		left: 0;
		width: 100%;
		height: 100vh;
		background-color: rgba(255, 255, 255, 0.95);
		transform: translateX(-100%);
		/* 从左侧滑入 */
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
		padding-top: 80px;
		/* 避开header */
		z-index: 998;
	}

	.nav.active {
		transform: translateX(0);
		opacity: 1;
		visibility: visible;
	}

	.nav ul {
		flex-direction: column;
		padding: 20px;
		align-items: center;
		/* 居中对齐 */
	}

	.nav ul li {
		margin: 0;
		padding: 15px 0;
		border-bottom: 1px solid rgba(255, 255, 255, 0.1);
		width: 100%;
		text-align: center;
	}

	.hero {
		padding: 60px 0;
		padding-top: 120px;
		min-height: 400px;
	}

	.hero h1 {
		font-size: 28px;
	}

	.hero p {
		font-size: 30px;
	}

	html[lang='en'] .hero h1 {
		font-size: 16px;
	}

	html[lang='en'] .hero p {
		font-size: 26px;
	}

	/* ========== 核心修改：intro-video 强制上下布局 ========== */
	.intro-video .container {
		flex-direction: column !important;
		/* 强制上下 */
		text-align: center;
		gap: 30px;
		/* 增大上下间距 */
	}

	.video-placeholder {
		width: 100% !important;
		/* 占满宽度 */
		min-width: auto !important;
		height: auto;
	}

	.intro-text {
		width: 100% !important;
		/* 占满宽度 */
		min-width: auto !important;
	}

	.intro-text h2 {
		font-size: 24px;
	}

	.intro-text p {
		font-size: 15px;
	}

	.company-data {
		padding: 40px 0;
	}

	.company-data p {
		font-size: 18px;
		margin-bottom: 20px;
	}

	.data-cards {
		flex-direction: column;
		gap: 15px;
		/* 减小卡片间距 */
	}

	/* ========== 核心修改：data-card 降低高度 ========== */
	.data-cards .data-card {
		width: 100%;
		border-right: none;
		border-bottom: 2px solid #000;
		padding: 10px 0 15px !important;
		/* 减少内边距降低高度 */
		margin-bottom: 5px;
		min-height: auto;
	}

	.data-cards .data-card:last-child {
		border-bottom: none;
		margin-bottom: 0;
	}

	.data-card span {
		font-size: 40px !important;
		/* 减小数字大小进一步降低高度 */
		margin-bottom: 5px;
	}

	.data-card p {
		font-size: 14px;
		margin: 0;
	}

	/* ========== 核心修改：area-card 增加高度 ========== */
	.business-areas {
		flex-direction: column;
		gap: 10px;
	}

	.area-card {
		height: 280px !important;
		/* 增高（原200px） */
		min-width: auto;
		padding: 25px 15px;
	}

	.area-card h3 {
		font-size: 22px;
	}

	.area-card a {
		font-size: 18px;
	}

	.global-intro {
		padding: 40px 0;
	}

	.global-intro .container {
		flex-direction: column;
		text-align: center;
		gap: 20px;
	}

	.global-intro .intro-text h2 {
		font-size: 24px;
	}

	.global-intro .intro-text p {
		font-size: 15px;
	}

	.partners {
		padding: 40px 0;
	}

	.partners h2 {
		font-size: 24px;
		text-align: center;
	}

	/* ========== 核心修改：partner-logos 严格一行两列 ========== */
	.partner-logos {
		justify-content: space-between !important;
		/* 两端对齐 */
		gap: 15px !important;
	}

	.partner-logo-item {
		width: calc(50% - 7.5px) !important;
		/* 精确两列 */
		max-width: none !important;
		height: 120px;
		flex: none !important;
		/* 禁止弹性拉伸 */
	}

	.partner-logos img {
		max-height: 120px;
	}

	.footer {
		padding: 30px 0;
	}

	.footer-links {
		flex-direction: column;
		text-align: center;
		gap: 30px;
	}
	.footer-link {
	    flex-flow: row wrap;
		text-align: center;
		gap: 30px;
	}
	.footer-link .list {
	    min-width: 200px;
	}

	.footer-links div {
		margin-bottom: 15px;
	}

	.footer-links .qrcode {
		margin: 10px auto;
		display: block;
	}

	.copyright {
		font-size: 16px;
		padding: 0 10px;
		line-height: 1.8;
	}
}

@media (max-width: 480px) {

	/* 小屏手机 */
	.logo img {
		height: 40px;
	}

	.hero {
		min-height: 350px;
		padding-top: 100px;
	}

	.hero h1 {
		font-size: 24px;
		margin-bottom: 15px;
	}

	.hero p {
		font-size: 24px;
	}

	.intro-text button,
	.global-intro .intro-text button {
		width: 100%;
		padding: 12px 0;
		font-size: 15px;
	}

	.company-data p {
		font-size: 16px;
	}

	/* 小屏手机进一步优化data-card高度 */
	.data-card span {
		font-size: 35px !important;
	}

	/* 小屏手机area-card进一步增高 */
	.area-card {
		height: 250px !important;
	}

	.area-card h3 {
		font-size: 20px;
	}

	/* 小屏手机partner-logos保持两列 */
	.partner-logo-item {
		height: 100px;
	}

	.partner-logos img {
		max-height: 100px;
	}

	.footer-links h3 {
		font-size: 16px;
	}

	.footer-links ul li a {
		font-size: 13px;
	}

	.copyright {
		font-size: 16px;
	}
}

.language-switcher {
	display: flex;
	align-items: center;
	justify-content: end !important;
	gap: 4px;
	font-size: 16px;
	font-weight: 500;
	line-height: 1;
}

/* 语言链接样式 */
.lang-link {
	color: #fff;
	/* 默认颜色 */
	text-decoration: none;
	border-radius: 4px;
	transition: all 0.2s ease;
	font-size: 14px;
}

.header1 .lang-link {
	color: #000;
	/* 默认颜色 */
	text-decoration: none;
	border-radius: 4px;
	transition: all 0.2s ease;
}

/* 激活状态样式 */
.lang-link.active {
	color: #00a8e8;
	/* 激活态颜色 */
	font-weight: 700;
}

/* 悬停样式 */
.lang-link:hover:not(.active) {
	color: #00a8e8;
}

/* 分隔符样式 */
.lang-separator {
	color: #999;
	font-size: 14px;
}

/* 媒体查询：移动端适配（1200px以下） */
@media (max-width: 1200px) {
	.language-switcher {
		font-size: 14px;
		gap: 6px;
	}

	.lang-link {
		padding: 3px 6px;
	}

	.lang-separator {
		font-size: 12px;
	}

	.intro-video .container-full {
		flex-flow: column;
	}
}

/* 媒体查询：小屏手机适配（480px以下） */
@media (max-width: 480px) {
	.language-switcher {
		font-size: 13px;
		gap: 4px;
	}

	.lang-link {
		padding: 2px 4px;
	}

	.intro-video .container-full {
		flex-flow: column;
	}
}

.hero a {
	color: inherit;
	text-decoration: none;
	cursor: pointer;
	display: inline-block;
	transition: all 0.3s ease;
}

.hero a:hover {
	text-decoration: underline !important;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
i {
	cursor: default !important;
}


.video-placeholder {
	position: relative;
	cursor: pointer;
	overflow: hidden;
}

.video-placeholder img {
	width: 100%;
	height: auto;
	display: block;
	transition: opacity 0.3s ease;
}

/* 播放按钮样式 */
.play-icon {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 2;
	background: rgba(0, 0, 0, 0.5);
	width: 80px;
	height: 80px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.3s ease;
}

.video-placeholder:hover .play-icon {
	transform: translate(-50%, -50%) scale(1.1);
	background: rgba(255, 87, 34, 0.8);
}

.video-placeholder:hover img {
	opacity: 0.8;
}

.intro-text {
	flex: 1;
	min-width: 300px;
}

.intro-text h2 {
	font-size: 1.8rem;
	margin-bottom: 1rem;
	color: #333;
}

.intro-text p {
	font-size: 1rem;
	line-height: 1.6;
	color: #666;
	margin-bottom: 1.5rem;
}

.intro-text button {
	padding: 0.8rem 2rem;
	background: #2c3e50;
	color: white;
	border: none;
	border-radius: 4px;
	cursor: pointer;
	transition: background 0.3s ease;
}

.intro-text button:hover {
	background: #34495e;
}

/* 视频弹窗样式 */
.video-modal {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.85);
	display: none;
	align-items: center;
	justify-content: center;
	z-index: 9999;
	padding: 1rem;
}

.video-modal.active {
	display: flex;
}

.video-modal-content {
	position: relative;
	width: 100%;
	max-width: 900px;
	background: #000;
	overflow: hidden;
}

.close-modal {
	position: absolute;
	top: 15px;
	right: 15px;
	background: transparent;
	border: none;
	color: white;
	font-size: 2rem;
	cursor: pointer;
	z-index: 10;
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: color 0.3s ease;
}

.close-modal:hover {
	color: #ff5722;
}

.video-container {
	width: 100%;
	height: 0;
	padding-bottom: 56.25%;
	/* 16:9 比例 */
	position: relative;
}

.video-container video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

/* 响应式调整 */
@media (max-width: 1200px) {
	.play-icon {
		width: 60px;
		height: 60px;
	}

	.play-icon svg {
		width: 40px;
		height: 40px;
	}

	.video-modal-content {
		max-width: 100%;
	}
}





/* 顶部Banner */
.about-hero {
	background: url('../img/contentbanner.jpg') center/cover no-repeat;

	color: #fff;
	padding: 200px 0;
	text-align: center;
}

.about-hero h1 {
	font-size: 3rem;
	margin-bottom: 20px;
	font-weight: 700;
	text-align: left;
}

.about-hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto;
	opacity: 0.9;
}

/* 公司概述 */
.company-overview {
	padding: 80px 0;
	background: var(--white);
}

.company-overview .container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
}

.overview-text h2 {
	font-size: 2.2rem;
	color: var(--primary-color);
	margin-bottom: 30px;
	position: relative;
	padding-bottom: 15px;
}

.overview-text h2::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: 0;
	width: 60px;
	height: 3px;
	background: var(--secondary-color);
}

.profile-list {
	list-style: none;
}

.profile-list li {
	font-size: 1.1rem;
	margin-bottom: 15px;
	padding: 10px 0;
	border-bottom: 1px solid #eee;
}

.profile-list li span {
	font-weight: 600;
	color: var(--primary-color);
	display: inline-block;
	width: 120px;
}

.overview-img img {
	width: 100%;
	height: auto;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
}

/* 价值观与使命 */
.culture-vision {
	padding: 80px 0;
	background: var(--bg-light);
}

.culture-vision .container {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
}

.culture-card,
.vision-card {
	background: var(--white);
	padding: 40px;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
}

.culture-card h3,
.vision-card h3 {
	font-size: 1.8rem;
	color: var(--primary-color);
	margin-bottom: 20px;
}

.culture-card p,
.vision-card p {
	font-size: 1.1rem;
	line-height: 1.8;
	color: var(--light-text);
	margin-bottom: 20px;
}

.culture-img img,
.vision-img img {
	width: 100%;
	height: auto;
	border-radius: var(--border-radius);
	margin-top: 20px;
}

/* 发展历程 */
.development-history {
	padding: 80px 0;
	background: var(--white);
}

.development-history h2 {
	font-size: 2.2rem;
	color: var(--primary-color);
	text-align: center;
	margin-bottom: 60px;
	position: relative;
	padding-bottom: 15px;
}

.development-history h2::after {
	content: '';
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	bottom: 0;
	width: 60px;
	height: 3px;
	background: var(--secondary-color);
}

.timeline {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
}

.timeline::after {
	content: '';
	position: absolute;
	width: 6px;
	background-color: var(--secondary-color);
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -3px;
}

.timeline-item {
	padding: 10px 40px;
	position: relative;
	width: 50%;
	box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
	left: 0;
}

.timeline-item:nth-child(even) {
	left: 50%;
}

.timeline-item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	background-color: var(--white);
	border: 4px solid var(--secondary-color);
	border-radius: 50%;
	top: 15px;
	z-index: 1;
}

.timeline-item:nth-child(odd)::after {
	right: -13px;
}

.timeline-item:nth-child(even)::after {
	left: -13px;
}

.year {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 10px;
}

.content {
	padding: 20px;
	background-color: var(--white);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
}

.content p {
	font-size: 1rem;
	color: var(--light-text);
}

/* 工厂环境 */
.factory-gallery {
	padding: 80px 0;
	background: var(--bg-light);
}

.factory-gallery h2 {
	font-size: 2.2rem;
	color: var(--primary-color);
	text-align: center;
	margin-bottom: 40px;
}

.gallery-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 20px;
}

.gallery-grid img {
	width: 100%;
	height: 250px;
	object-fit: cover;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
	transition: transform 0.3s ease;
}

.gallery-grid img:hover {
	transform: scale(1.03);
}

/* 荣誉资质 */
.honors {
	padding: 80px 0;
	background: var(--white);
	text-align: center;
}

.honors h2 {
	font-size: 2.2rem;
	color: var(--primary-color);
	margin-bottom: 40px;
}

.honor-card {
	display: inline-block;
	padding: 30px;
	background: var(--white);
	border-radius: var(--border-radius);
	box-shadow: var(--shadow);
	max-width: 400px;
}

.honor-card img {
	width: 100%;
	max-width: 200px;
	height: auto;
	margin-bottom: 20px;
}

.honor-card p {
	font-size: 1.1rem;
	color: var(--light-text);
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.about-hero h1 {
		font-size: 2.5rem;
	}

	.company-overview .container,
	.culture-vision .container {
		grid-template-columns: 1fr;
	}

	.timeline::after {
		left: 31px;
	}

	.timeline-item {
		width: 100%;
		padding-left: 70px;
		padding-right: 25px;
	}

	.timeline-item:nth-child(even) {
		left: 0;
	}

	.timeline-item:nth-child(odd)::after,
	.timeline-item:nth-child(even)::after {
		left: 18px;
	}
}

@media (max-width: 1200px) {
	.about-hero {
		padding: 60px 0;
	}

	.about-hero h1 {
		font-size: 2rem;
	}

	.company-overview,
	.culture-vision,
	.development-history,
	.factory-gallery,
	.honors {
		padding: 60px 0;
	}

	.overview-text h2,
	.development-history h2,
	.factory-gallery h2,
	.honors h2 {
		font-size: 1.8rem;
	}

	.culture-card,
	.vision-card {
		padding: 30px;
	}

	.gallery-grid img {
		height: 200px;
	}
}

@media (max-width: 576px) {
	.about-hero h1 {
		font-size: 1.8rem;
	}

	.about-hero p {
		font-size: 1rem;
	}

	.profile-list li {
		font-size: 1rem;
	}

	.profile-list li span {
		width: 100px;
	}

	.culture-card h3,
	.vision-card h3 {
		font-size: 1.5rem;
	}

	.timeline-item {
		padding-left: 50px;
	}

	.timeline::after {
		left: 21px;
	}

	.timeline-item::after {
		left: 8px;
	}
}

.header1 {
	border-bottom: 1px solid #000;
}

.breadcrumbs {
	padding: 10px 0;
}

a {
	color: inherit;
	text-decoration: none;
}

.breadcrumbs-current {
	font-weight: 700;
}


.capability-hero {
	background: url('../img/contentbanner.jpg') center/cover no-repeat;
	color: #ffffff;
	padding: 200px 0;
	text-align: center;
}

.capability-hero h1 {
	font-size: 3rem;
	margin-bottom: 20px;
	font-weight: 700;
	text-align: left;
}

.capability-hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto;
	opacity: 0.9;
}

/* 质量体系模块 */
.quality-system {
	padding: 80px 0;
	background: #ffffff;
}

.quality-system .container {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 40px;
}

.quality-text {
	flex: 1 1 500px;
}

.quality-img {
	flex: 1 1 500px;
}

.quality-img img {
	width: 100%;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.quality-system h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.quality-list {
	list-style: none;
}

.quality-list li {
	font-size: 1.1rem;
	margin-bottom: 20px;
	padding-left: 25px;
	position: relative;
}

.quality-list li::before {
	content: "✓";
	color: #3498db;
	font-weight: bold;
	position: absolute;
	left: 0;
	top: 0;
}

.quality-list li span {
	font-weight: 700;
	color: #2c3e50;
}

/* 产品应用领域模块 */
.product-application {
	padding: 80px 0;
	background: #f5f5f5;
}

.product-application h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 40px;
	text-align: center;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
	margin-left: auto;
	margin-right: auto;
	display: table;
}

.application-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 30px;
}

.application-card {
	background: #ffffff;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	transition: all 0.3s ease;
}

.application-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.application-card img {
	width: 100%;
	height: 200px;
	object-fit: cover;
}

.application-card h3 {
	padding: 20px;
	text-align: center;
	color: #2c3e50;
	font-size: 1.2rem;
}

/* 核心部件与配置模块 */
.core-components {
	padding: 80px 0;
	background: #ffffff;
}

.core-components h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 40px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.components-wrap {
	display: flex;
	flex-wrap: wrap;
	gap: 40px;
	align-items: center;
}

.components-list {
	flex: 1 1 300px;
}

.components-img,
.components-config {
	flex: 1 1 400px;
}

.components-list h3 {
	font-size: 1.5rem;
	color: #2c3e50;
	margin-bottom: 20px;
}

.components-list ul {
	list-style: none;
	padding-left: 25px;
}

.components-list ul li {
	font-size: 1.1rem;
	margin-bottom: 15px;
	position: relative;
}

.components-list ul li::before {
	content: "•";
	color: #3498db;
	font-size: 1.5rem;
	position: absolute;
	left: 0;
	top: -5px;
}

.components-img img,
.components-config img {
	width: 100%;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.components-config h3 {
	font-size: 1.5rem;
	color: #2c3e50;
	margin-bottom: 20px;
}

/* 电动执行器能力模块 */
.electric-actuator {
	padding: 80px 0;
	background: #f5f5f5;
}

.electric-actuator h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.actuator-text {
	margin-bottom: 40px;
}

.actuator-text p {
	font-size: 1.1rem;
	line-height: 1.8;
	color: #333;
}

.actuator-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 20px;
}

.actuator-grid img {
	width: 100%;
	height: 220px;
	object-fit: cover;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	transition: all 0.3s ease;
}

.actuator-grid img:hover {
	transform: scale(1.03);
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.capability-hero h1 {
		font-size: 2.2rem;
	}

	.capability-hero p {
		font-size: 1rem;
	}

	.quality-system h2,
	.product-application h2,
	.core-components h2,
	.electric-actuator h2 {
		font-size: 1.8rem;
	}

	.quality-system,
	.product-application,
	.core-components,
	.electric-actuator {
		padding: 50px 0;
	}

	.application-card img {
		height: 180px;
	}

	.actuator-grid img {
		height: 200px;
	}
}

@media (max-width: 480px) {
	.capability-hero {
		padding: 60px 0;
	}

	.capability-hero h1 {
		font-size: 1.8rem;
	}

	.quality-list li,
	.components-list ul li,
	.actuator-text p {
		font-size: 1rem;
	}

	.application-grid {
		grid-template-columns: 1fr;
	}
}









/* 顶部Banner区域 */
.advantages-hero {
	background: url('../img/contentbanner.jpg') center/cover no-repeat;
	color: #ffffff;
	padding: 200px 0;
	text-align: center;
}

.advantages-hero h1 {
	font-size: 3rem;
	margin-bottom: 20px;
	font-weight: 700;
	text-align: left;
}

.advantages-hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto;
	opacity: 0.9;
}

/* 技术与优势概述模块 */
.tech-overview {
	padding: 80px 0;
	background: #ffffff;
}

.tech-overview .container {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 40px;
}

.overview-text {
	flex: 1 1 500px;
}

.overview-img {
	flex: 1 1 500px;
}

.overview-img img {
	width: 100%;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tech-overview h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.tech-overview p {
	font-size: 1.1rem;
	line-height: 1.8;
	color: #333;
}

/* 技术创新模块 */
.tech-innovation {
	padding: 80px 0;
	background: #f5f5f5;
}

.tech-innovation h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 20px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
	margin-left: auto;
	margin-right: auto;
	display: table;
}

.innovation-desc {
	font-size: 1.1rem;
	text-align: center;
	max-width: 900px;
	margin: 0 auto 40px;
	color: #555;
}

.patent-slider {
	display: flex;
	gap: 20px;
	overflow-x: auto;
	padding: 10px 0 30px;
	scrollbar-width: thin;
	scrollbar-color: #3498db #e0e0e0;
}

.patent-slider::-webkit-scrollbar {
	height: 8px;
}

.patent-slider::-webkit-scrollbar-track {
	background: #e0e0e0;
	border-radius: 4px;
}

.patent-slider::-webkit-scrollbar-thumb {
	background: #3498db;
	border-radius: 4px;
}

.patent-item {
	flex: 0 0 300px;
}

.patent-item img {
	width: 100%;
	height: 400px;
	object-fit: cover;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	transition: all 0.3s ease;
}

.patent-item img:hover {
	transform: scale(1.02);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

/* 开发能力模块 */
.development-capability {
	padding: 80px 0;
	background: #ffffff;
}

.development-capability .container {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 40px;
}

.capability-text {
	flex: 1 1 500px;
}

.capability-img {
	flex: 1 1 500px;
}

.capability-img img {
	width: 100%;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.development-capability h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.capability-list {
	list-style: none;
	padding-left: 25px;
}

.capability-list li {
	font-size: 1.1rem;
	margin-bottom: 20px;
	position: relative;
}

.capability-list li::before {
	content: "★";
	color: #3498db;
	font-size: 1rem;
	position: absolute;
	left: 0;
	top: 0;
}

/* 关键生产设备模块 */
.key-equipment {
	padding: 80px 0;
	background: #f5f5f5;
}

.key-equipment h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 40px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
	margin-left: auto;
	margin-right: auto;
	display: table;
}

.equipment-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 30px;
}

.equipment-card {
	background: #ffffff;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
	transition: all 0.3s ease;
}

.equipment-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.equipment-card img {
	width: 100%;
	height: 220px;
	object-fit: cover;
}

.equipment-card p {
	padding: 20px;
	text-align: center;
	color: #2c3e50;
	font-size: 1.1rem;
	font-weight: 500;
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.advantages-hero h1 {
		font-size: 2.2rem;
	}

	.advantages-hero p {
		font-size: 1rem;
	}

	.tech-overview h2,
	.tech-innovation h2,
	.development-capability h2,
	.key-equipment h2 {
		font-size: 1.8rem;
	}

	.tech-overview,
	.tech-innovation,
	.development-capability,
	.key-equipment {
		padding: 50px 0;
	}

	.patent-item {
		flex: 0 0 250px;
	}

	.patent-item img {
		height: 350px;
	}

	.equipment-card img {
		height: 200px;
	}
}

@media (max-width: 480px) {
	.advantages-hero {
		padding: 60px 0;
	}

	.advantages-hero h1 {
		font-size: 1.8rem;
	}

	.tech-overview p,
	.innovation-desc,
	.capability-list li,
	.equipment-card p {
		font-size: 1rem;
	}

	.patent-item {
		flex: 0 0 220px;
	}

	.patent-item img {
		height: 300px;
	}

	.equipment-grid {
		grid-template-columns: 1fr;
	}
}



/* 联系我们页面样式 */
.contact-hero {
	background: url('../img/contentbanner.jpg') center/cover no-repeat;
	color: #ffffff;
	padding: 200px 0;
	text-align: center;
}

.contact-hero h1 {
	font-size: 3rem;
	margin-bottom: 20px;
	font-weight: 700;
	text-align: left;
}

.contact-hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto;
	opacity: 0.9;
}

/* 联系信息与地图模块 */
.contact-info-map {
	padding: 80px 0;
	background: #ffffff;
}

.contact-info-map .container {
	display: flex;
	flex-wrap: wrap;
	gap: 40px;
	align-items: flex-start;
}

.contact-info,
.contact-map {
	flex: 1 1 450px;
}

.contact-info h2,
.contact-map h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}

.info-list,
.person-info {
	list-style: none;
	margin-bottom: 30px;
}

.info-list li,
.person-info li {
	font-size: 1.1rem;
	margin-bottom: 15px;
	line-height: 1.8;
}

.info-list li span,
.person-info li span {
	font-weight: 700;
	color: #2c3e50;
	display: inline-block;
	width: 80px;
}

.contact-info h3 {
	font-size: 1.5rem;
	color: #2c3e50;
	margin-bottom: 20px;
}

.map-container {
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.map-container img {
	width: 100%;
	height: auto;
}

/* 业务咨询表单模块 */
.contact-form {
	padding: 80px 0;
	background: #f5f5f5;
}

.contact-form h2 {
	font-size: 2.2rem;
	color: #2c3e50;
	margin-bottom: 40px;
	padding-bottom: 15px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
	margin-left: auto;
	margin-right: auto;
	display: table;
}

.inquiry-form {
	max-width: 800px;
	margin: 0 auto;
	background: #ffffff;
	padding: 40px;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-group {
	margin-bottom: 25px;
}

.form-group label {
	display: block;
	font-size: 1.1rem;
	color: #2c3e50;
	margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
	width: 100%;
	padding: 12px 15px;
	border: 1px solid #e0e0e0;
	border-radius: 4px;
	font-size: 1rem;
	color: #333;
	transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
	outline: none;
	border-color: #3498db;
}

.submit-btn {
	background: #3498db;
	color: #ffffff;
	border: none;
	padding: 12px 30px;
	font-size: 1.1rem;
	border-radius: 4px;
	cursor: pointer;
	transition: background 0.3s ease;
}

.submit-btn:hover {
	background: #2980b9;
}

/* 响应式适配 */
@media (max-width: 1200px) {
	.contact-hero h1 {
		font-size: 2.2rem;
	}

	.contact-hero p {
		font-size: 1rem;
	}

	.contact-info h2,
	.contact-map h2,
	.contact-form h2 {
		font-size: 1.8rem;
	}

	.contact-info-map,
	.contact-form {
		padding: 50px 0;
	}

	.inquiry-form {
		padding: 30px;
	}
}

@media (max-width: 480px) {
	.contact-hero {
		padding: 60px 0;
	}

	.contact-hero h1 {
		font-size: 1.8rem;
	}

	.info-list li,
	.person-info li,
	.form-group label,
	.form-group input,
	.form-group select,
	.form-group textarea {
		font-size: 1rem;
	}

	.info-list li span,
	.person-info li span {
		width: 60px;
	}
}

.left-section {
	flex: 1;
	min-width: 280px;
}

.right-section {
	flex: 2;
	min-width: 280px;
}

.prompt-text {
	font-size: 24px;
	font-weight: bold;
	margin-bottom: 40px;
}

.person-info {
	font-size: 18px;
	line-height: 2.2;
}

.company-info p {
	font-size: 18px;
	line-height: 2.2;
}

.company-name {
	font-size: 20px;
	font-weight: bold;
	margin-bottom: 10px;
}

/* 媒体查询：移动端适配 */
@media (max-width: 1200px) {
	.contact-container {
		flex-direction: column;
	}

	.prompt-text {
		font-size: 20px;
		margin-bottom: 20px;
	}

	.person-info,
	.company-info p {
		font-size: 16px;
	}

	.company-name {
		font-size: 18px;
	}
}

.form-left {
	flex: 1;
	min-width: 300px;
}

.form-left h2 {
	margin-bottom: 20px;
}

.form-right {
	flex: 1;
	min-width: 300px;
	text-align: center;
}

.form-right img {
	max-width: 100%;
	height: auto;
}

.form-group {
	margin-bottom: 20px;
}

.form-group label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	color: #333;
	display: flex;
}

.form-group input,
.form-group select,
.form-group textarea {
	width: 100%;
	padding: 10px;
	border: 1px solid #ddd;
	border-radius: 4px;
	font-size: 14px;
	flex: 1;
}

.form-group textarea {
	min-height: 120px;
	resize: vertical;
}

.required {
	color: red;
	margin-left: 4px;
}

button {
	background-color: #333;
	color: #fff;
	border: none;
	padding: 12px 24px;
	border-radius: 4px;
	cursor: pointer;
	font-size: 16px;
	transition: background-color 0.3s;
}

button:hover {
	background-color: #555;
}

/* 媒体查询：适配手机屏幕 */
@media (max-width: 1200px) {
	.form-container {
		flex-direction: column;
		padding: 20px;
	}

	.form-right {
		order: -1;
		/* 图片在移动端显示在上方 */
	}
}

.ry h2 {
	margin: 20px 0;
	font-size: 31px;
	text-align: center;
}

.ry img {
	width: 100%;
}

.factory-section {
	background: #898989;
	padding: 30px 20px;
}

.factory-section .container {
	display: flex;
	align-items: center;
	flex-flow: row wrap;
	gap: 20px;
}

.factory-text {
	flex: 1;
	min-width: 300px;
}

.factory-text h2 {
	font-size: 2rem;
	color: #fff;
	margin-bottom: 20px;
}

.factory-text p {
	font-size: 1.1rem;
	line-height: 1.8;
	color: #fff;
	margin-bottom: 10px;
}

.factory-map {
	flex: 1;
	min-width: 300px;
	padding: 20px;
}

.factory-map img {
	width: 100%;
	height: auto;
	margin-bottom: 15px;
}

.factory-map ul {
	list-style-position: inside;
	color: #333;
	font-size: 1rem;
}

/* 平板适配 */
@media (max-width: 1200px) {
	.factory-text h2 {
		font-size: 1.8rem;
	}

	.factory-text p {
		font-size: 1rem;
	}
}

/* 手机适配 */
@media (max-width: 480px) {
	.factory-section .container {
		flex-direction: column;
		gap: 20px;
	}

	.factory-text h2 {
		text-align: center;
	}
}

.fzlc img {
	width: 100%;
}

.intro-text {
	flex: 1;
	min-width: 300px;
}

.intro-text h1 {
	font-size: 2.5rem;
	margin-bottom: 30px;
	color: #333;
}

.intro-text p {
	font-size: 1.2rem;
	line-height: 2;
	color: #555;
	margin-bottom: 15px;
}

.intro-images {
	flex: 1;
	min-width: 300px;
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.intro-images img {
	width: 100%;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 媒体查询：平板尺寸 */
@media (max-width: 1200px) {
	.intro-text h1 {
		font-size: 2rem;
	}

	.intro-text p {
		font-size: 1.1rem;
	}
}

/* 媒体查询：手机尺寸 */
@media (max-width: 480px) {
	.gsjs {
		flex-direction: column;
		gap: 20px;
	}

	.intro-text h1 {
		font-size: 1.8rem;
		text-align: center;
	}

	.intro-text p {
		font-size: 1rem;
		text-align: center;
	}
}

/* 价值观/愿景使命模块通用样式 */
.content-block {
	background: #eee;
	display: flex;
	align-items: center;
	padding: 25px;
	gap: 20px;
	margin-bottom: 20px;
}

.content-block .container {
	display: flex;
	align-items: center;
	flex-flow: row wrap;
	gap: 20px;
}

.text-part {
	flex: 1;
}

.title {
	font-size: 32px;
	color: #222;
	margin-bottom: 15px;
	font-weight: bold;
}

.desc {
	font-size: 22px;
	color: #555;
	line-height: 1.7;
}

.img-part {
	flex: 1;
	overflow: hidden;
}

.img-part img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* 平板设备适配 */
@media (max-width: 1200px) {
	.content-block .container {
		flex-direction: column;
	}

	.gsjs {
		flex-direction: column !important;
	}

	.img-part {
		width: 100%;
		height: 180px;
	}

	.title {
		font-size: 20px;
	}

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

/* 手机设备适配 */
@media (max-width: 480px) {
	.content-block .container {
		gap: 15px;
	}

	.img-part {
		height: 150px;
	}

	.title {
		font-size: 18px;
	}

	.desc {
		font-size: 14px;
	}
}

.intro-title {
	font-size: 24px;
	color: #333;
	margin-bottom: 20px;
	border-left: 4px solid #2c82c9;
	padding-left: 10px;
}

.intro-paragraph {
	font-size: 32px;
	color: #000;
	font-weight: 700;
	margin-bottom: 20px;
}

/* 媒体查询：平板设备 */
@media (max-width: 1200px) {
	.company-intro {
		padding: 20px;
	}

	.intro-title {
		font-size: 20px;
	}

	.intro-paragraph {
		font-size: 15px;
	}
}

/* 媒体查询：手机设备 */
@media (max-width: 480px) {
	.company-intro {
		padding: 15px;
	}

	.intro-title {
		font-size: 18px;
	}

	.intro-paragraph {
		font-size: 14px;
	}
}
.intro-paragraph {
  /* 字体优化：选更舒适的无衬线字体 */
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 32px;
  font-weight: 500; /* 降低粗度避免压迫感 */
  color: #2d3748; /* 深灰更柔和，比纯黑友好 */
  line-height: 1.8; /* 增加行高提升可读性 */
  margin-bottom: 30px; /* 加大段落间距 */
  letter-spacing: 0.5px; /* 微调字间距 */
  text-align: justify; /* 两端对齐更规整 */
  padding: 0 2px;
}

/* 增加首行缩进（可选，更符合中文阅读习惯） */
.intro-paragraph:first-line {
  text-indent: 2em;
}

/* 媒体查询：平板设备 */
@media (max-width: 1200px) {
  .company-intro {
    padding: 20px;
  }
  .intro-title {
    font-size: 20px;
  }
  .intro-paragraph {
    font-size: 16px; /* 微调字号更舒适 */
    line-height: 1.7;
    margin-bottom: 25px;
  }
}

/* 媒体查询：手机设备 */
@media (max-width: 480px) {
  .company-intro {
    padding: 15px;
  }
  .intro-title {
    font-size: 18px;
  }
  .intro-paragraph {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
    text-indent: 1.5em; /* 手机端缩进稍小 */
  }
}
.product-title {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .product-container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .product-item {
            flex: 1;
            min-width: 250px;
            text-align: center;
        }
        .product-img {
            width: 100%;
            height: 240px;
            object-fit: contain;
    background: #fff;
            border-radius: 8px;
            margin-bottom: 10px;
        }
        .product-name {
            font-size: 18px;
            color: #333;
        }

        /* 平板适配（屏幕宽度≤1200px） */
        @media (max-width: 1200px) {
            .product-title {
                font-size: 24px;
            }
            .product-container {
                gap: 15px;
            }
            .product-name {
                font-size: 16px;
            }
        }

        /* 手机适配（屏幕宽度≤480px） */
        @media (max-width: 480px) {
            .product-title {
                font-size: 20px;
            }
            .product-container {
                flex-direction: column;
                gap: 20px;
            }
        }
        .cp{
            background-color: #eee;
            padding: 20px 0;
        }
        
        
        .section-title {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #333;
        }
        /* 原生折叠面板样式 */
        .collapse-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        details {
            margin-bottom: 10px;
            border: 1px solid #ddd;
            border-radius: 8px;
            overflow: hidden;
            background-color: #fff;
        }
        summary {
            cursor: pointer;
            display: flex;
            align-items: center;
            background-color: #f8f8f8;
            list-style: none; /* 隐藏默认三角 */
            transition: background-color 0.3s;
        }
        /* 箭头移到左侧 + 自定义样式 */
        summary::before {
            content: "▼";
            font-size: 20px;
            transition: transform 0.3s;
            margin-right: 10px; /* 箭头和文字间距 */
        }
        details[open] summary::before {
            transform: rotate(180deg);
        }
        summary:hover {
            background-color: #f0f0f0;
        }
        .collapse-title {
            font-size: 18px;
            color: #333;
        }
        /* 折叠内容样式 */
        .collapse-content {
            padding: 20px;
        }
        /* 零件展示样式 */
        .parts-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: flex-start;
        }
        .part-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .part-img {
            width: 100%;
            max-width: 150px;
            height: auto;
            margin-bottom: 8px;
        }
        .part-desc {
            font-size: 14px;
            color: #666;
        }
        .note-text {
            margin-top: 0;
            font-size: 16px;
            color: #333;
            line-height: 1.6;
        }

        /* 平板适配（≤1200px） */
        @media (max-width: 1200px) {
            .section-title {
                font-size: 24px;
            }
            .collapse-title {
                font-size: 16px;
            }
            .parts-grid {
                gap: 15px;
            }
            .note-text {
                font-size: 14px;
            }
            summary::before {
                font-size: 18px;
            }
        }

        /* 手机适配（≤480px） */
        @media (max-width: 480px) {
            .container {
                padding: 0 10px;
            }
            .section-title {
                font-size: 20px;
            }
            summary {
                padding: 12px 15px;
            }
            .collapse-content {
                padding: 15px;
            }
            .parts-grid {
                flex-direction: column;
                align-items: center;
            }
            .part-item {
                min-width: 100px;
            }
            summary::before {
                font-size: 16px;
                margin-right: 8px;
            }
        }
        .lj{
            background-color: #eee;
            padding: 20px 0;
        }
        
        .outer-container {
        padding: 30px 20px; /* 内边距，避免内容贴边 */
        overflow: hidden; /* 清除浮动/定位影响 */
    }
    .title {
        font-size: 46px;
        margin-bottom: 10px;
        color: #000; /* 文字白色 */
    }
    .desc {
        font-size: 24px;
        margin-bottom: 20px;
        color: #000; /* 文字白色 */
    }
    /* 关键：slider-wrap作为箭头的定位父容器 */
    .slider-wrap {
        position: relative; /* 核心！箭头基于此定位 */
        width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .slider {
        display: flex;
        transition: transform 0.5s ease;
    }
    .slider-item {
        flex: 0 0 25%; /* 4张图平分宽度 */
        padding: 0 5px;
        box-sizing: border-box; /* 修复padding导致宽度溢出 */
    }
    .slider-item img {
        width: 100%;
        height: 240px;
        object-fit: contain;
    background: #fff;
        display: block;
    }
    /* 箭头样式调整 - 基于slider-wrap定位 */
    .arrow {
        position: absolute;
        top: 50%; /* 基于slider-wrap垂直居中 */
        transform: translateY(-50%);
        width: 30px;
        height: 30px;
        background-color: rgba(255,255,255,0.5);
        border: none;
        border-radius: 50%;
        cursor: pointer;
        font-size: 20px;
        color: #fff; /* 箭头文字白色 */
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10; /* 确保箭头在最上层 */
        outline: none;
        -webkit-tap-highlight-color: transparent;
        /* 防止箭头超出容器 */
        margin-top: 0;
    }
    /* 箭头hover效果（可选） */
    .arrow:hover {
        background-color: rgba(255,255,255,0.7);
    }
    .arrow-left {
        left: -15px; /* 向左偏移，贴外层容器边缘 */
        /* 兼容移动端：避免箭头被遮挡 */
        left: calc(10px - 15px);
    }
    .arrow-right {
        right: -15px; /* 向右偏移，贴外层容器边缘 */
        /* 兼容移动端：避免箭头被遮挡 */
        right: calc(10px - 15px);
    }
    
    
    
    .header .container{
        max-width: 1060px;
    }
    
    .bodyimg{
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1;
        opacity: .3;
    }
    
    .footer .logo img{
        height: 35px;
    }