/* Global Font Settings */
:root {
    --font-family-sans-serif: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    --font-family-monospace: 'Roboto Mono', SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

* {
    font-family: var(--font-family-sans-serif);
}

/* Code and technical data */
code, pre, .tech-data {
    font-family: var(--font-family-monospace);
}

.slideshow {
    height: 400px;
    object-fit: cover;
}

/* ==================== Main Header - Xrobot Style ==================== */
.main-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	transition: all 0.5s ease;
	background: transparent;
}

.main-header.scrolled {
	background: rgba(240, 240, 240, 0.9);
	backdrop-filter: blur(15px);
	-webkit-backdrop-filter: blur(15px);
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 30px;
}

.main-header .navbar {
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.main-header .navbar-brand {
	padding: 15px 0;
	transition: all 0.5s ease;
	margin-right: auto;
}

.main-header.scrolled .navbar-brand {
	padding: 15px 0;
}

.main-header .navbar-brand .header-logo {
	transition: all 0.5s ease;
	filter: brightness(0) invert(1);
}

.main-header.scrolled .navbar-brand .header-logo {
	height: 60px;
	filter: none;
}

.main-header .navbar-nav {
	margin: 0 auto;
}

.main-header .navbar-nav .nav-link {
	color: #fff !important;
	font-weight: 500;
	padding: 20px 18px !important;
	font-size: 15px;
	transition: all 0.5s ease;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	position: relative;
}

.main-header .navbar-nav .nav-link::after {
	content: '';
	position: absolute;
	bottom: 15px;
	left: 50%;
	transform: translateX(-50%) scaleX(0);
	width: 80%;
	height: 2px;
	background: #0056b3;
	transition: transform 0.3s ease;
}

.main-header .navbar-nav .nav-link:hover::after,
.main-header .navbar-nav .nav-item.active .nav-link::after {
	transform: translateX(-50%) scaleX(1);
}

.main-header.scrolled .navbar-nav .nav-link {
	color: #333 !important;
	padding: 20px 18px !important;
}

.main-header .navbar-nav .nav-link:hover,
.main-header .navbar-nav .nav-item.active .nav-link {
	color: #0056b3 !important;
}

.main-header .navbar-toggler {
	border-color: rgba(255,255,255,0.5);
	margin-left: auto;
}

.main-header.scrolled .navbar-toggler {
	border-color: rgba(0,0,0,0.1);
}

.main-header .navbar-toggler-icon {
	background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.main-header.scrolled .navbar-toggler-icon {
	background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Dropdown Menu */
.main-header .dropdown {
	position: relative;
}

.main-header .dropdown-menu {
	border: none;
	box-shadow: 0 2px 15px rgba(0,0,0,0.1);
	border-radius: 0;
	margin-top: 0;
	padding: 10px 0;
	min-width: 200px;
	border-top: 3px solid #0056b3;
	display: block;
	visibility: hidden;
	opacity: 0;
	transform: translateY(10px);
	transition: all 0.3s ease;
}

.main-header .dropdown:hover .dropdown-menu {
	visibility: visible;
	opacity: 1;
	transform: translateY(0);
}

.main-header .dropdown-item {
	padding: 10px 20px;
	font-size: 14px;
	transition: all 0.3s ease;
	position: relative;
	color: #333;
}

.main-header .dropdown-item::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 0;
	background: #0056b3;
	transition: width 0.3s ease;
}

.main-header .dropdown-item:hover::before {
	width: 3px;
}

.main-header .dropdown-item:hover {
	background: #2a5db0;
	color: #ffffff;
	padding-left: 25px;
}

/* Header Right - Language Switcher */
.header-right {
	display: flex;
	align-items: center;
	margin-left: 30px;
}

.language-switcher {
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	padding: 10px;
	transition: all 0.3s ease;
	color: #fff;
	border-radius: 4px;
	background: transparent;
	border: none;
}

.language-switcher img {
	filter: brightness(0) invert(1);
	transition: all 0.3s ease;
}

.main-header.scrolled .language-switcher img {
	filter: none;
}

/* Login Link */
.header-right .login-link {
	display: flex;
	align-items: center;
	margin-right: 15px;
}

.header-right .login-link img {
	filter: brightness(0) invert(1);
	transition: all 0.3s ease;
}

.main-header.scrolled .header-right .login-link img {
	filter: none;
}

.header-right .login-link:hover img {
	opacity: 0.8;
}

.language-switcher:hover,
.language-switcher:focus {
	background: rgba(255,255,255,0.1);
	color: #fff;
	outline: none;
}

.main-header.scrolled .language-switcher {
	color: #333;
}

.main-header.scrolled .language-switcher:hover,
.main-header.scrolled .language-switcher:focus {
	background: rgba(0,0,0,0.05);
	color: #333;
}

/* Language Dropdown */
.header-right .dropdown-menu {
	min-width: 150px;
}

.header-right .dropdown-item {
	padding: 8px 15px;
	font-size: 14px;
	color: #333;
}

/* Hide the default dropdown arrow */
.header-right .dropdown-toggle::after {
	display: none;
}

/* Responsive Design */
@media (max-width: 991px) {
	/* 手机端导航：默认透明背景 */
	.main-header {
		background: transparent !important;
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		box-shadow: none !important;
	}
	
	/* 手机端LOGO：默认白色 */
	.main-header:not(.scrolled) .navbar-brand .header-logo {
		filter: brightness(0) invert(1) !important;
		-webkit-filter: brightness(0) invert(1) !important;
		height: 38px !important;
	}
	
	/* 手机端图标：默认白色 */
	.main-header:not(.scrolled) .mobile-icon-link img,
	.main-header:not(.scrolled) .mobile-lang-dropdown .language-switcher img {
		filter: brightness(0) invert(1) !important;
		-webkit-filter: brightness(0) invert(1) !important;
	}
	
	/* 手机端汉堡按钮：白色图标 */
	.main-header:not(.scrolled) .navbar-toggler {
		border-color: rgba(255,255,255,0.5);
	}
	
	.main-header:not(.scrolled) .navbar-toggler-icon {
		background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
	}
	
	/* 手机端语言切换器文字颜色：默认白色 */
	.main-header:not(.scrolled) .mobile-lang-dropdown .language-switcher {
		color: #fff !important;
	}
	
	/* 手机端滚动后：显示背景色 */
	.main-header.scrolled {
		background: rgba(240, 240, 240, 0.9) !important;
		backdrop-filter: blur(15px) !important;
		-webkit-backdrop-filter: blur(15px) !important;
		box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
	}
	
	/* 滚动后LOGO变为深色 */
	.main-header.scrolled .navbar-brand .header-logo {
		filter: none !important;
		-webkit-filter: none !important;
		height: 38px !important;
	}
	
	/* 滚动后图标变为深色 */
	.main-header.scrolled .mobile-icon-link img,
	.main-header.scrolled .mobile-lang-dropdown .language-switcher img {
		filter: none !important;
		-webkit-filter: none !important;
	}
	
	/* 滚动后汉堡按钮变为深色 */
	.main-header.scrolled .navbar-toggler {
		border-color: rgba(0,0,0,0.15) !important;
	}
	
	.main-header.scrolled .navbar-toggler-icon {
		background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
	}
	
	/* 滚动后语言切换器文字颜色变为深色 */
	.main-header.scrolled .mobile-lang-dropdown .language-switcher {
		color: #333 !important;
	}
	
	/* 手机端下拉菜单展开时：显示白色半透明背景和毛玻璃效果 */
	.main-header .navbar-collapse.show,
	.main-header .navbar-collapse.collapsing {
		background: rgba(255, 255, 255, 0.97);
		backdrop-filter: blur(15px);
		-webkit-backdrop-filter: blur(15px);
		box-shadow: 0 4px 6px rgba(0,0,0,0.1);
	}
	
	/* 下拉时LOGO变为深色（在白色背景上可见） */
	.main-header.nav-open .navbar-brand .header-logo,
	.main-header.dropdown-open .navbar-brand .header-logo {
		filter: brightness(0) !important;
		-webkit-filter: brightness(0) !important;
	}
	
	/* 下拉时图标变为深色 */
	.main-header.nav-open .mobile-icon-link img,
	.main-header.nav-open .mobile-lang-dropdown .language-switcher img,
	.main-header.dropdown-open .mobile-icon-link img,
	.main-header.dropdown-open .mobile-lang-dropdown .language-switcher img {
		filter: brightness(0) !important;
		-webkit-filter: brightness(0) !important;
	}
	
	/* 下拉时汉堡按钮变为深色 */
	.main-header.nav-open .navbar-toggler,
	.main-header.dropdown-open .navbar-toggler {
		border-color: rgba(0,0,0,0.15) !important;
	}
	
	.main-header.nav-open .navbar-toggler-icon,
	.main-header.dropdown-open .navbar-toggler-icon {
		background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 0, 0, 0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
	}
	
	/* 下拉时语言切换器文字颜色变为深色 */
	.main-header.nav-open .mobile-lang-dropdown .language-switcher,
	.main-header.dropdown-open .mobile-lang-dropdown .language-switcher {
		color: #333 !important;
	}
	
	/* 手机端顶部栏：LOGO+图标一排 */
	.main-header .mobile-top-bar {
		padding: 8px 15px;
		align-items: center;
	}
	
	.main-header .mobile-top-right {
		align-items: center;
	}
	
	.main-header .mobile-icon-link {
		display: flex;
		align-items: center;
		opacity: 0.8;
	}
	
	.main-header .mobile-icon-link:hover {
		opacity: 1;
	}
	
	/* 手机端下拉菜单：灰色半透明毛玻璃 */
	.main-header .navbar-collapse {
		background: rgba(230, 230, 230, 0.97);
		backdrop-filter: blur(15px);
		-webkit-backdrop-filter: blur(15px);
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		box-shadow: 0 4px 6px rgba(0,0,0,0.1);
		max-height: 70vh;
		overflow-y: auto;
		padding: 0 !important;
	}
	
	.main-header .navbar-nav {
		padding: 0;
		margin: 0;
	}
	
	.main-header .navbar-nav .nav-item {
		margin: 0 !important;
		padding: 0;
	}
	
	/* 导航链接：紧凑间距 */
	.main-header .navbar-nav .nav-link {
		color: #333 !important;
		padding: 8px 20px !important;
		margin: 0 !important;
		border-bottom: 1px solid rgba(0,0,0,0.05);
		line-height: 1.3 !important;
		display: block;
	}
	
	.main-header .navbar-nav .nav-link::after {
		display: none;
	}
	
	.main-header .navbar-nav .nav-link:hover {
		background: rgba(0,0,0,0.05);
	}
	
	/* 下拉菜单 */
	.main-header .dropdown-menu {
		background: rgba(248, 249, 250, 0.95);
		backdrop-filter: blur(10px);
		-webkit-backdrop-filter: blur(10px);
		box-shadow: none;
		border-top: none;
		padding: 0;
		margin-top: 0;
		position: static;
		transform: none;
		opacity: 1;
		visibility: visible;
		display: none;
	}
	
	.main-header .dropdown.show .dropdown-menu,
	.main-header .dropdown .dropdown-menu.show {
		display: block;
	}
	
	.main-header .dropdown {
		padding: 0;
		margin: 0;
	}
	
	.main-header .dropdown-item {
		color: #666;
		padding: 8px 15px 8px 35px;
		font-size: 14px;
		line-height: 1.3;
	}
	
	.main-header .dropdown-item:hover {
		color: #0056b3;
		background: rgba(0,0,0,0.03);
		padding-left: 40px;
	}
	
	/* 隐藏桌面端header-right */
	.main-header .header-right {
		display: none;
	}
	
	/* 手机端语言下拉菜单 */
	.main-header .mobile-lang-dropdown .dropdown-menu {
		min-width: 120px;
		display: none;
	}
	
	.main-header .mobile-lang-dropdown .dropdown-menu.show,
	.main-header .mobile-lang-dropdown.show .dropdown-menu {
		display: block;
	}
	
	/* 手机端PRODUCTS：只显示1个产品，保留左右切换 */
	.showcase-slider-outer {
		padding: 0 45px; /* 左右给切换按钮留空间 */
	}
	
	.showcase-slider-inner {
		max-width: 100%;
	}
	
	.showcase-swiper {
		overflow: visible;
	}
	
	.showcase-swiper .swiper-slide {
		width: 100% !important;
		max-width: 100% !important;
		flex-shrink: 0;
	}
	
	.product-card {
		width: 100% !important;
	}
	
	/* 确保轮播图容器在手机端正确显示 */
	.showcase-slider-outer {
		padding: 0 20px;
	}
	
	.showcase-slider-inner {
		max-width: 100%;
		margin: 0 auto;
	}
	
	.showcase-swiper {
		width: 100%;
	}

.product-info {
	padding: 20px;
}

.product-title {
	font-size: 18px;
	font-weight: 600;
	color: #333;
	margin-bottom: 15px;
	font-family: var(--font-family-sans-serif);
}

.product-subcategories {
	margin-top: 15px;
}

.subcategory-item {
	font-size: 14px;
	color: #666;
	line-height: 1.5;
	margin-bottom: 3px;
	font-family: var(--font-family-sans-serif);
}

.product-card:hover .product-title {
	color: #00A0E9;
	transition: color 0.3s ease;
}

.product-card:hover .subcategory-item {
	color: #2a5db0;
	transition: color 0.3s ease;
}
	
	.product-image {
		height: 200px;
	}
	
	.product-info {
		padding: 15px;
	}
	
	.product-title {
		font-size: 14px;
	}
	
	.product-specs {
			font-size: 12px;
			line-height: 1.5;
			margin-bottom: 10px;
		}
		
		.product-subcategories {
			margin-top: 10px;
		}
		
		.subcategory-item {
			font-size: 12px;
			color: #666;
			line-height: 1.4;
			margin-bottom: 2px;
		}
	
	.showcase-section-title {
		font-size: 24px;
	}
	
	.showcase-section-desc {
		font-size: 14px;
	}
	
	/* 轮播图双分组控制：PC和手机各自显示 */
	.mobile-slide { display: none !important; }
	
	/* 手机端轮播图：高度65vh，图片占屏幕65%，类似Moteck手机端效果 */
	.hero-slider-wrapper {
		height: 65vh !important;
		min-height: 400px !important;
		max-height: 600px !important;
		position: relative;
		width: 100%;
		margin: 0;
		overflow: hidden;
		top: 0;
		left: 0;
		z-index: 1;
	}
	
	.hero-swiper {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
	}
	
	.hero-slide-item .container {
		max-width: 100%;
		width: 100%;
		padding: 0 20px;
	}
	
	.hero-slide-item {
		background-size: cover !important;
		background-position: center !important;
		background-repeat: no-repeat !important;
		width: 100% !important;
		height: 100% !important;
	}
	
	/* 手机端文字内容：放到底部，小字体，类似Moteck效果 */
	.hero-content-wrapper {
		max-width: 100%;
		padding: 0 20px 25px 20px;
		text-align: left;
		display: flex;
		flex-direction: column;
		justify-content: flex-end;
		align-items: flex-start;
		height: 100%;
	}
	
	.hero-title {
		font-size: 15px;
		font-weight: 700;
		margin-bottom: 6px;
		line-height: 1.3;
		color: #ffffff;
		text-shadow: 0 1px 4px rgba(0,0,0,0.7);
	}
	
	.hero-subtitle {
		font-size: 13px;
		font-weight: 400;
		margin-bottom: 0;
		line-height: 1.5;
		color: rgba(255,255,255,0.9);
		text-shadow: 0 1px 3px rgba(0,0,0,0.6);
	}
	
	/* 隐藏手机端按钮 */
	.hero-slide-item .btn {
		display: none !important;
	}
	
	/* 隐藏手机端描述 */
	.hero-description {
		display: none !important;
	}
	
	.hero-slide-item .btn {
		padding: 7px 16px;
		font-size: 12px;
	}
	
	.product-image {
		height: 180px;
	}
	
	.product-title {
		font-size: 13px;
	}
	
	.product-specs {
		font-size: 11px;
	}
}

/* 小屏幕适配 */
@media (max-width: 576px) {
	/* 手机端显示手机轮播图，隐藏PC轮播图 */
	.mobile-slide { display: block !important; }
	.pc-slide { display: none !important; }
	
	.hero-slider-wrapper {
		height: 65vh !important;
		min-height: 350px !important;
		max-height: 500px !important;
	}
	
	.hero-slide-item {
		background-size: cover !important;
		background-position: center !important;
	}
	
	.hero-title {
		font-size: 14px !important;
	}
	
	.hero-subtitle {
		font-size: 12px !important;
	}
	
	.main-header .navbar-brand .header-logo {
		height: 45px !important;
	}
	
	.main-header .navbar-nav .nav-link {
		font-size: 14px;
		padding: 10px 15px !important;
	}
}

/* 超小屏幕适配 */
@media (max-width: 375px) {
	.hero-title {
		font-size: 13px !important;
	}
	
	.hero-subtitle {
		font-size: 11px !important;
	}
}

/* 较大手机屏幕适配 */
@media (min-width: 768px) and (max-width: 991px) {
	.hero-title {
		font-size: 18px;
	}
	
	.hero-subtitle {
		font-size: 15px;
	}
}