/* 基础样式和CSS变量 */

 :root {
	--primary-color: #3498db;
	--secondary-color: #2c3e50;
	--accent-color: #e74c3c;
	--light-color: #f9f9f9;
	--dark-color: #333;
	--gray-color: #ecf0f1;
	--text-color: #333;
	--text-light: #777;
	--shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
	--transition: all 0.3s ease;
	--border-radius: 8px;
	--max-width: 1366px;
	--third-color: #122b4b;
	--second-width: 1200px;
	--white-color: #ffffff;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	line-height: 1.6;
	color: var(--text-color);
}

.fl {
	float: left;
}

.clear {
	clear: both;
}

.container {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 20px;
}


/* 头部样式 */

header {
	background-color: var(--third-color);
	color: white;
	padding: 1rem 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: var(--shadow);
}

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

.logo {
	font-size: 1.0rem;
	/*font-weight: bold;*/
	color: white;
	text-decoration: none;
	display: flex;
	align-items: center;
}

.logo i {
	margin-right: 10px;
	color: var(--primary-color);
}

.logo img {
	height: 1.8rem;
}


/* 导航菜单 */

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

nav li {
	margin-left: 1.5rem;
}

nav a {
	color: white;
	text-decoration: none;
	font-weight: 500;
	padding: 0.5rem 0;
	position: relative;
	transition: var(--transition);
}

nav a:hover {
	color: var(--primary-color);
}

nav a::after {
	content: '';
	position: absolute;
	width: 0;
	height: 2px;
	background: var(--primary-color);
	left: 0;
	bottom: 0;
	transition: var(--transition);
}

nav a:hover::after {
	width: 100%;
}


/* 移动端菜单按钮 */

.menu-toggle {
	display: none;
	font-size: 1.5rem;
	background: none;
	border: none;
	color: white;
	cursor: pointer;
}


/* 英雄区域 */

.hero {
	padding: 4rem 0;
	background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
	color: white;
	text-align: center;
}

.hero h1 {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	line-height: 1.2;
}

.hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto 2rem;
	opacity: 0.9;
}

.btn {
	display: inline-block;
	background-color: var(--accent-color);
	color: white;
	padding: 0.8rem 1.8rem;
	border-radius: var(--border-radius);
	text-decoration: none;
	font-weight: bold;
	transition: var(--transition);
	border: none;
	cursor: pointer;
}

.btn:hover {
	background-color: #c0392b;
	transform: translateY(-3px);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}


/* 响应式设计原则部分 */

.principles {
	padding: 1rem 0;
	background: #1b3858;
}

.section-title {
	text-align: center;
	margin-bottom: 1rem;
}

.section-title h3 {
	font-size: 2.2rem;
	color: var(--white-color);
	margin-bottom: 0.5rem;
}

.section-title p {
	color: var(--text-light);
	max-width: 700px;
	margin: 0 auto;
}

.principles-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 1rem;
}

.principle-card {
	background-color: var(--gray-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}

.principle-card img {
	max-width: 100%;
	height: 100%
}

.principle-card span {
	display: block;
	color: #000;
}

.principle-card a {
	text-decoration: none;
	font-size: 20px;
}

.principle-card:hover {
	transform: translateY(-10px);
	box-shadow: var(--shadow);
}

.principle-card i {
	font-size: 3rem;
	color: var(--primary-color);
	margin-bottom: 1.5rem;
}

.principle-card h3 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
	color: var(--secondary-color);
}

.e-catalog-box {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
}

.e-catalog-box h3 {
	font-size: 2rem;
	margin-bottom: 1rem;
	color: var(--secondary-color);
	text-align: center;
	margin: 60px 0 20px 0;
}

.e-catalog-box p {
	font-size: 1.0rem;
	font-family: arial;
	padding: 30px 20px 30px 20px;
}


}
.e-catalog {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
}
.e-catalog-card {
	text-align: center;
	transition: var(--transition);
}
.e-catalog-card img {
	max-width: 100%;
	height: 100%
}
.e-catalog-card span {
	display: block;
	color: #000;
}
.e-catalog-card a {
	text-decoration: none;
	font-size: 20px;
}
.fg-down {
	background: #ECF0F1;
	height: 10rem;
	margin-top: 3.5rem;
	margin-bottom: 1.5rem;
}
.down {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 1rem;
}
.down-card {
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	transition: var(--transition);
}
.down-card span {
	font-size: 1.6rem;
	display: block;
	margin-bottom: 1.8rem;
	font-weight: bold;
}
.down-card p {
	font-size: 1.1rem;
	line-height: 2.5rem;
}
.down-card a{
	text-decoration: none;
	font-size: 1.1rem;
	color:#000000;
	}

/* 设备预览部分 */
.device-preview {
	padding: 4rem 0;
	background-color: var(--light-color);
}
.devices-container {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	gap: 3rem;
}
.device {
	width: 300px;
	background-color: white;
	border-radius: 20px;
	padding: 20px;
	box-shadow: var(--shadow);
	position: relative;
}
.device.mobile {
	width: 280px;
}
.device.tablet {
	width: 400px;
}
.device.desktop {
	width: 500px;
}
.device-screen {
	background-color: #f1f1f1;
	border-radius: 10px;
	overflow: hidden;
	height: 400px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.device.mobile .device-screen {
	height: 500px;
}
.device-label {
	text-align: center;
	margin-top: 1rem;
	font-weight: bold;
	color: var(--secondary-color);
}

/* 媒体查询示例部分 */
.media-query-example {
	padding: 4rem 0;
	background-color: white;
}
.media-query-demo {
	background-color: var(--secondary-color);
	color: white;
	padding: 2rem;
	border-radius: var(--border-radius);
	text-align: center;
	margin-top: 2rem;
}
.mq-box {
	background-color: var(--primary-color);
	padding: 2rem;
	border-radius: var(--border-radius);
	margin: 1rem auto;
	transition: var(--transition);
}

/* 页脚 */
footer {
	background-color: var(--secondary-color);
	color: white;
	padding: 3rem 0 1.5rem;
}
.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}
.footer-section h3 {
	font-size: 1.3rem;
	margin-bottom: 1.5rem;
	color: var(--primary-color);
}
.footer-section p {
	margin-bottom: 1rem;
	opacity: 0.8;
}
.social-links {
	display: flex;
	gap: 1rem;
	margin-top: 1rem;
}
.social-links a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background-color: rgba(255, 255, 255, 0.1);
	border-radius: 50%;
	color: white;
	text-decoration: none;
	transition: var(--transition);
}
.social-links a:hover {
	background-color: var(--primary-color);
	transform: translateY(-5px);
}
.copyright {
	text-align: center;
	padding-top: 1.5rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	opacity: 0.7;
	font-size: 0.9rem;
}

/* 打印样式 */
@media print {
	header,
	footer,
	.btn,
	.menu-toggle {
		display: none !important;
	}
	
	body {
		font-size: 12pt;
		line-height: 1.5;
		color: black;
		background: white;
	}
	
	.container {
		max-width: 100%;
	}
}

/* Banner样式 */
.banner-container {
	position: relative;
	width: 100%;
	max-width: 3000px;
	margin: 0 auto;
	overflow: hidden;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
	background-color: #fff;
}
.banner {
	width: 100%;
	height: 450px;
	position: relative;
	overflow: hidden;
}
.banner-slides {
	display: flex;
	height: 100%;
	transition: transform 0.8s ease;
}
.slide {
	min-width: 100%;
	height: 100%;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	background-size: cover;
	background-position: center;
}
.slide-content {
	background-color: rgba(0, 0, 0, 0.6);
	color: white;
	padding: 30px;
	max-width: 600px;
	/*border-radius: 8px;*/
	
	margin: 20px;
	text-align: center;
	backdrop-filter: blur(4px);
}
.slide h2 {
	font-size: 2.2rem;
	margin-bottom: 15px;
	color: #fff;
}
.slide p {
	font-size: 1.2rem;
	margin-bottom: 20px;
	opacity: 0.9;
}
.slide-btn {
	display: inline-block;
	background-color: #3498db;
	color: white;
	padding: 12px 28px;
	border-radius: 30px;
	text-decoration: none;
	font-weight: 600;
	transition: all 0.3s ease;
	border: none;
	cursor: pointer;
	font-size: 1rem;
}
.slide-btn:hover {
	background-color: #2980b9;
	transform: translateY(-2px);
}
.index_catalog {
	width: 100%;
	background: #1b3858;
}
.catalog_top {
	color: #FFFFFF;
	font-family: arial;
	font-weight: bold;
	font-size: 16px;
	padding: 10px 0 20px 20px;
}
.index_catalog1 {
	width: var(--second-width);
	margin: 0 auto;
	height: 300px;
}
.index_catalog1 .fl {
	width: 280px;
	height: 280px;
	background: #007AFF;
	margin-left: 1.1rem;
	margin-bottom: 1.1rem;
	border-radius: 5px;
}
.index_about {
	padding-top: 30px;
	width: var(--max-width);
	margin: 0 auto;
}
.index_about .fl img,
.index_about .fl video {
	height: 386px;
}
.swiper-slide img {
	width: 100%;
	height: 100%;
	position: static;
	border-radius: 5px 5px 0 0;
	border: #000000 1px solid;
}
.swiper-slide span {
	font-size: 1.1rem;
	border-radius: 0 0 5px 5px;
	display: block;
	line-height: 3.0rem;
	text-align: center;
	color: #FFFFFF;
	position: absolute;
	bottom: 0px;
	width: 100%;
	background: #000000;
}
.new_arrivals {
	background: #FFFFFF;
	margin: 1.8rem 0;
}
.index_New_Arrivals {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 0 2.0rem 0;
}
.new_arrivals_title{
		margin-bottom: 1rem;
	}
.new_arrivals_title h3  {
	text-align: center;
	font-size: 2.2rem;
	margin: 3rem 0 1rem 0;
}
.new_arrivals_title h2  {
	text-align: center;
	font-size: 2rem;
	margin: 3rem 0 1rem 0;
}
.new_arrivals_title hr {
	border: #ff0000 1px solid;
	width: 10rem;
	margin: 0 auto;
	margin-bottom: 3rem;
	margin-top: 1rem;
}
.page_top {
	width: 100%;
}
.page_top img {
	width: 100%;
}
.page_catalog {
	background: #ededed;
	margin: 0 auto;
}
.page_catalog_sec {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
}
.page_catalog span {
	display: block;
	width: var(--max-width);
	margin: 0 auto;
	text-align: center;
	font-family: arial;
	font-size: 2.5rem;
	padding: 2rem 0;
}
.page-catalog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 1rem;
	padding-bottom: 2rem;
}
.page-catalog-card {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}
.page-catalog-card img {
	max-width: 100%;
	height: 100%
}
.page-catalog-card span {
	display: block;
	color: #000;
}
.page-catalog-card a {
	text-decoration: none;
	font-size: 15px;
}
.page-catalog-card:hover {
	transform: translateY(-10px);
	box-shadow: var(--shadow);
}
.page-catalog-card i {
	font-size: 3rem;
	color: var(--primary-color);
	margin-bottom: 1.5rem;
}
.page-catalog h3 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
	color: var(--secondary-color);
}
.show-catalog {
	display: none;
	position: absolute;
	top: 50px;
	z-index: 100;
	max-width: 25rem;
	background: #819dc2;
}
.show-catalog img {
	max-width: 10%;
}
.show-catalog span {
	font-size: 0.9rem;
	display: block;
	color: #FFFFFF;
	line-height: 1.4rem;
	padding: 0.4rem 0.8rem;
	border-bottom: #122b4b 1px solid;
}
.about {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
}
.about span {
	display: block;
	width: 60%;
	float: left;
}
.about span p {
	font-size: 0.9rem;
	text-indent: 2rem;
}
.about img {
	float: left;
	width: 35%;
	margin-left: 1.5rem;
}
.about h2 {
	text-align: center;
	font-size: 2.2rem;
	margin: 3rem 0 0 0;
}
.about hr {
	border: #ff0000 1px solid;
	width: 15rem;
	margin: 0 auto;
	margin-bottom: 3rem;
	margin-top: 1rem;
}
.e-catalog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 1rem;
	padding-bottom: 2rem;
}
.e-catalog-card {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}
.e-catalog-card1 {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}
.e-catalog-card:hover {
	transform: translateY(-10px);
	box-shadow: var(--shadow);
}
.contactus-gride {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 1rem;
	padding-bottom: 2rem;
}
.contactus-card {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}
.contactus-card img {
	max-width: 20%;
	margin: 0 auto;
}
.contactus-title {
	font-size: 25px;
	font-weight: bold;
}
.contactus-card span {
	display: block;
	font-size: 1.0rem;
}
.ct-about {
	padding: 2rem 0.5rem 5rem 0.5rem;
	line-height: 2.0rem;
}
.produit {
	max-width: var(--max-width);
	margin: 0 auto;
}
.produit-left {
	width: 20%;
	max-width: 270px;
}
.produit-right {
	width: 75%;
	max-width: 1024px;
	margin-left: 1.5rem;
}
.produit-catalog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
	padding-bottom: 2rem;
}
.produit-catalog-card {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	padding: 0.5rem 0.5rem 2.5rem 0.5rem;
	text-align: center;
	transition: var(--transition);
}
.produit-catalog-card span {
	display: block;
	text-align: left;
	color: #000;
}

.produit-catalog-card>span>a {
	text-decoration: none;
	font-weight: bold;
	font-size: 15px;
	color: #000000;
}
.second-catalog-card{
	padding-left:1.5rem;
		
}
.second-catalog-card span{
	display: block;	
}
.second-catalog-card span a{
	text-decoration: none;
	font-size: 15px;
	color: #000000;
	}


.produit-show-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
	gap: 1rem;
	padding-bottom: 2rem;
	
}
.produit-show-grid img{
	max-width: 100%;
	height: 100%
	}
.produit-show-info{
	padding-left: 2rem;
	}
.produit-show-info span{
	display: block;
	
}
.produit-show-info span:nth-child(1){
	font-size: 1.5rem;
}
.pro_show_info1{
		margin:1rem 0 2rem 0;
	}
.pro_xxk {
	font-size: 20px;
	font-family: Arial, Helvetica, sans-serif;
	width: 200px;
	background: #122b4b;
	border-radius: 5px 5px 0 0;
	padding: 0 10px;
	color: #fff;
	text-align: center;
}
#con{padding:10px 10px 10px 30px; line-height:30px;}

/*.show-catalog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(20px, 1fr));
	gap: 1rem;
}
.show-catalog-card {
	background-color: var(--white-color);
	border-radius: var(--border-radius);
	transition: var(--transition);
	
}
.show-catalog-card img{
	height: 30%;
	max-width: 100%;	
}
.show-catalog-card span {
	
	color: #000;
}*/