/* 基础样式重置*/
	 * {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Inter', system-ui, sans-serif;
}
li {
	list-style: none;
}
a {
	color: #666;
	text-decoration: none;
}
a:hover {
	color: #3498db;
	text-decoration: none;
}
p, dl, dt, dd, ul {
	margin: 0px;
	padding: 0px;
}
body {
	background-color: #f5f5f5;
	color: #1D2129;
	line-height: 1.6;
}
.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
	background-color: white;
}
.top-container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}
/* 顶部联系信息页眉*/
	.top-header {
	background-color: #f0f2f5;
	padding: 8px 0;
	border-bottom: 1px solid #e5e6eb;
}
.top-contact-info {
	/* display: flex;*/
	justify-content: flex-end;
	align-items: center;
	/* font-size: 13px;*/
	 }
.contact-item {
	margin-left: 25px;
	display: flex;
	align-items: center;
	color: #666;
}
.contact-item i {
	color: #165DFF;
	margin-right: 6px;
	font-size: 14px;
}
@media (max-width: 767px) {
	.top-contact-info {
	justify-content: center;
	flex-wrap: wrap;
}
.contact-item {
	margin: 5px 10px;
}
} 
/* 头部导航样式*/
	header {
	position: sticky;
	top: 0;
	z-index: 50;
	background-color: white;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
	transition: all 0.3s ease;
	margin-top: -1px;
	/* 解决与top-header的边框重叠问题*/
	
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 64px;
}
/* 品牌标识*/
	.brand {
	display: flex;
	align-items: center;
	text-decoration: none;
}
.brand-icon {
	color: #165DFF;
	font-size: 24px;
	margin-right: 10px;
}
.brand-name {
	font-size: 18px;
	font-weight: bold;
	color: #1D2129;
}
/* 桌面端导航菜单*/
	.main-nav {
	display: none;
}
@media (min-width: 768px) {
	.main-nav {
	display: flex;
	align-items: center;
	list-style: none;
}
} .main-nav li {
	position: relative;
	margin: 0 5px;
}
.main-nav a, .main-nav button {
	display: inline-flex;
	align-items: center;
	padding: 10px 16px;
	color: #1D2129;
	text-decoration: none;
	background: none;
	border: none;
	cursor: pointer;
	font-size: 14px;
	transition: all 0.2s ease;
}
.main-nav a:hover, .main-nav button:hover {
	color: #165DFF;
	background-color: rgba(22, 93, 255, 0.1);
}
/* 下拉箭头样式*/
	.dropdown-arrow {
	font-size: 8px;
	margin-left: 6px;
	transition: transform 0.2s ease;
}
/* 二级菜单样式*/
	.second-level-menu {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	top: 100%;
	margin-top: 8px;
	width: 800px;
	background-color: white;
	border-radius: 2px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.15);
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	transform-origin: top;
	transform: translateX(-50%) scale(0.95);
	z-index: 50;
}
/* 二级菜单顶部蓝色横线*/
	.second-level-menu::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 3px;
	background-color: #165DFF;
	border-radius: 2px 2px 0 0;
}
.has-second-level:hover .second-level-menu {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) scale(1);
}
.has-second-level:hover .dropdown-arrow {
	transform: rotate(180deg);
}
.second-level-inner {
	padding: 24px;
	display: grid;
	grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
	.second-level-inner {
	grid-template-columns: repeat(4, 1fr);
}
} .second-level-item {
	position: relative;
	padding: 12px;
	transition: background-color 0.3s ease;
}
.second-level-item:hover {
	background-color: rgba(22, 93, 255, 0.1);
	border-radius: 4px;
}
.second-level-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 0;
	font-weight: 500;
}
/* 三级菜单样式*/
	.third-level-menu {
	position: absolute;
	left: 0;
	top: 100%;
	margin-top: 2px;
	width: 100%;
	background-color: white;
	border-radius: 2px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.15);
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	transform-origin: top;
	transform: scale(0.95);
	z-index: 50;
}
/* 三级菜单顶部蓝色横线*/
	.third-level-menu::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 2px;
	background-color: #165DFF;
	border-radius: 2px 2px 0 0;
}
.second-level-item:hover .third-level-menu {
	opacity: 1;
	visibility: visible;
	transform: scale(1);
}
.third-level-inner {
	padding: 12px;
}
.third-level-link {
	display: block;
	padding: 8px 16px;
	color: #1D2129;
	text-decoration: none;
	transition: background-color 0.2s ease;
	font-size: 14px;
}
.third-level-link:hover {
	background-color: rgba(22, 93, 255, 0.1);
	border-radius: 2px;
}
/* 用户操作区*/
	.user-actions {
	display: flex;
	align-items: center;
}
/* 导航栏中的搜索框样式*/
	.nav-search {
	display: flex;
	flex: 1;
	max-width: 250px;
	margin-right: 15px;
}
.search-input {
	flex: 1;
	padding: 6px 12px;
	border: 1px solid #ddd;
	border-right: none;
	border-radius: 4px 0 0 4px;
	font-size: 14px;
	outline: none;
	height: 34px;
}
.search-input:focus {
	border-color: #165DFF;
	box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.1);
}
.search-submit {
	background-color: #165DFF;
	color: white;
	border: 1px solid #165DFF;
	border-radius: 0 2px 2px 0;
	padding: 0 12px;
	cursor: pointer;
	transition: background-color 0.2s ease;
	height: 34px;
}
.search-submit:hover {
	background-color: #0E42D2;
}
.action-icon {
	color: #1D2129;
	text-decoration: none;
	font-size: 18px;
	margin-left: 20px;
	transition: color 0.2s ease;
}
.action-icon:hover {
	color: #165DFF;
}
.cart-count {
	position: relative;
}
.count-badge {
	position: absolute;
	top: -8px;
	right: -8px;
	width: 18px;
	height: 18px;
	background-color: #165DFF;
	color: white;
	font-size: 12px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
}
/* 移动端菜单按钮*/
	.mobile-menu-button {
	background: none;
	border: none;
	font-size: 24px;
	color: #1D2129;
	cursor: pointer;
	margin-left: 20px;
	display: block;
}
@media (min-width: 768px) {
	.mobile-menu-button {
	display: none;
}
} 
/* 移动端导航菜单*/
	.mobile-menu {
	display: none;
	background-color: white;
	border-top: 1px solid #eee;
}
.mobile-menu.active {
	display: block;
}
.mobile-nav {
	list-style: none;
	padding: 10px 0;
}
.mobile-nav li {
	position: relative;
}
.mobile-nav a {
	display: block;
	padding: 12px 20px;
	color: #1D2129;
	text-decoration: none;
	font-size: 14px;
	transition: background-color 0.2s ease;
}
.mobile-nav a:hover {
	background-color: rgba(22, 93, 255, 0.1);
}
/* 移动端搜索框*/
	.mobile-search {
	padding: 15px 20px;
	border-bottom: 1px solid #eee;
}
.mobile-search-box {
	display: flex;
}
/* 移动端二级菜单*/
	.mobile-dropdown-button {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 12px 20px;
	background: none;
	border: none;
	text-align: left;
	font-size: 14px;
	color: #1D2129;
	cursor: pointer;
	transition: background-color 0.2s ease;
}
.mobile-dropdown-button:hover {
	background-color: rgba(22, 93, 255, 0.1);
}
.mobile-dropdown-menu {
	display: none;
	list-style: none;
}
.mobile-dropdown-menu.active {
	display: block;
}
.mobile-dropdown-menu li a {
	padding-left: 40px;
	background-color: #f9f9f9;
}
/* 移动端三级菜单*/
	.mobile-third-level-button {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 12px 20px;
	background: none;
	border: none;
	text-align: left;
	font-size: 14px;
	color: #1D2129;
	cursor: pointer;
	transition: background-color 0.2s ease;
}
.mobile-third-level-button:hover {
	background-color: rgba(22, 93, 255, 0.1);
}
.mobile-third-level-menu {
	display: none;
	list-style: none;
}
.mobile-third-level-menu.active {
	display: block;
}
.mobile-third-level-menu li a {
	padding-left: 60px;
	background-color: #f5f5f5;
}
/* 图片轮播Banner样式*/
	.banner-slider {
	position: relative;
	width: 100%;
	max-width: 100%;
	height: 650px;
	overflow: hidden;
	background-color: #e9ecef;
	margin-bottom: 40px;
}
@media (max-width: 767px) {
	.banner-slider {
	height: 250px;
}
} .slider-wrapper {
	display: flex;
	height: 100%;
	transition: transform 0.5s ease-in-out;
}
.slide {
	min-width: 100%;
	height: 100%;
	position: relative;
}
.slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.slide-content {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	padding: 20px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	color: white;
	background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
}
.slide-title {
	font-size: 32px;
	font-weight: bold;
	margin-bottom: 15px;
	max-width: 600px;
}
.slide-description {
	font-size: 16px;
	margin-bottom: 20px;
	max-width: 600px;
}
.slide-button {
	display: inline-block;
	width: auto;
	padding: 10px 20px;
	background-color: #165DFF;
	color: white;
	text-decoration: none;
	border-radius: 2px;
	transition: background-color 0.3s ease;
	max-width: 200px;
}
.slide-button:hover {
	background-color: #0E42D2;
}
@media (max-width: 767px) {
	.slide-title {
	font-size: 22px;
}
.slide-description {
	font-size: 14px;
	display: none;
	/* 在移动端隐藏描述以节省空间*/
	
}
} 
/* 轮播控制按钮*/
	.slider-control {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	background-color: rgba(255, 255, 255, 0.5);
	border: none;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background-color 0.3s ease;
	z-index: 10;
}
.slider-control:hover {
	background-color: rgba(255, 255, 255, 0.8);
}
.prev-slide {
	left: 15px;
}
.next-slide {
	right: 15px;
}
/* 轮播指示器*/
	.slider-indicators {
	position: absolute;
	bottom: 20px;
	left: 0;
	width: 100%;
	display: flex;
	justify-content: center;
	gap: 10px;
	z-index: 10;
}
.indicator {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background-color: rgba(255, 255, 255, 0.5);
	cursor: pointer;
	transition: all 0.3s ease;
}
.indicator.active {
	background-color: white;
	width: 30px;
	border-radius: 2px;
}
/* 页面主体内容*/
	main {
	padding: 20px 0 60px;
}
.content-title {
	font-size: 28px;
	font-weight: bold;
	margin-bottom: 30px;
}
.content-text {
	margin-bottom: 20px;
	font-size: 16px;
}
.spacer {
	height: 500px;
}
/* 滚动时导航栏样式变化*/
	header.scrolled {
	box-shadow: 0 4px 12px rgba(0,0,0,0.1);
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(4px);
}
/* 旋转动画类*/
	.rotate-180 {
	transform: rotate(180deg);
}
.section-wrapper {
	background-color: #ffffff;
	border-radius: 2px;
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	overflow: hidden;
	margin-top: 20px;
}
.content-grid {
	display: flex;
	flex-direction: column;
}
/* 左侧留资板块*/
	.subscribe-section {
	background-color: #165DFF;
	color: white;
	padding: 2rem;
}
.subscribe-title {
	font-size: 1.5rem;
	font-weight: 700;
	margin-bottom: 1rem;
}
.subscribe-desc {
	opacity: 0.9;
	margin-bottom: 1.25rem;
	font-size: 0.9rem;
}
.subscribe-form {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}
.form-input {
	flex: 1;
	padding: 0.75rem;
	border-radius: 0.5rem;
	background-color: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: white;
	outline: none;
	transition: all 0.3s ease;
}
.form-input::placeholder {
	color: rgba(255, 255, 255, 0.6);
}
.form-input:focus {
	border-color: white;
}
.submit-btn {
	background-color: white;
	color: #165DFF;
	border: none;
	padding: 0.75rem 1.25rem;
	border-radius: 0.5rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s ease;
	white-space: nowrap;
}
.submit-btn:hover {
	background-color: rgba(255, 255, 255, 0.9);
}
.privacy-note {
	margin-top: 1rem;
	font-size: 0.75rem;
	opacity: 0.8;
}
/* 右侧关注板块*/
	.follow-section {
	padding: 2rem;
}
.follow-title {
	font-size: 1.5rem;
	font-weight: 700;
	margin-bottom: 1rem;
}
.follow-desc {
	color: #6b7280;
	margin-bottom: 1.25rem;
	font-size: 0.9rem;
}
.social-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.75rem;
}
.social-link {
	display: flex;
	align-items: center;
	padding: 0.75rem;
	border: 1px solid #f3f4f6;
	border-radius: 0.5rem;
	text-decoration: none;
	color: #1d2939;
	transition: all 0.3s ease;
}
.social-link:hover {
	border-color: #165DFF;
	background-color: rgba(22, 93, 255, 0.05);
}
.social-icon {
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-right: 0.75rem;
	transition: all 0.3s ease;
}
.social-link:hover .social-icon {
	color: white;
}
.facebook {
	background-color: rgba(24, 119, 242, 0.1);
	color: #1877F2;
}
.social-link:hover .facebook {
	background-color: #1877F2;
}
.twitter {
	background-color: rgba(29, 161, 242, 0.1);
	color: #1DA1F2;
}
.social-link:hover .twitter {
	background-color: #1DA1F2;
}
.instagram {
	background-color: rgba(228, 64, 95, 0.1);
	color: #E4405F;
}
.social-link:hover .instagram {
	background-color: #E4405F;
}
.youtube {
	background-color: rgba(255, 0, 0, 0.1);
	color: #FF0000;
}
.social-link:hover .youtube {
	background-color: #FF0000;
}
.social-name {
	font-weight: 600;
}
/* 响应式样式*/
	@media (min-width: 640px) {
	.subscribe-form {
	flex-direction: row;
}
} @media (min-width: 768px) {
	.content-grid {
	flex-direction: row;
}
.subscribe-section, .follow-section {
	flex: 1;
	padding: 2.5rem;
}
.subscribe-desc, .follow-desc {
	font-size: 1rem;
}
} 
/* 页脚样式*/
	footer {
	background-color: #1a1a1a;
	color: #f5f5f5;
	padding: 40px 20px 20px;
}
.footer-container {
	max-width: 1200px;
	margin: 0 auto;
}
.footer-row {
	display: flex;
	flex-wrap: wrap;
	gap: 30px;
	margin-bottom: 40px;
}
.footer-column {
	flex: 1;
	min-width: 250px;
}
.footer-column h3 {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 20px;
	padding-bottom: 10px;
	border-bottom: 2px solid #3498db;
	display: inline-block;
}
/* 导航链接样式*/
	.footer-nav ul {
	list-style: none;
}
.footer-nav li {
	margin-bottom: 12px;
}
.footer-nav a {
	color: #bbb;
	text-decoration: none;
	transition: color 0.3s ease;
}
.footer-nav a:hover {
	color: #3498db;
	padding-left: 5px;
}
/* 产品分类样式 - 单列显示*/
	.product-categories {
	display: flex;
	flex-direction: column;
}
.product-categories a {
	color: #bbb;
	text-decoration: none;
	padding: 5px 0;
	display: inline-block;
	transition: all 0.3s ease;
}
.product-categories a:hover {
	color: #3498db;
	transform: translateX(5px);
}
/* 联系方式样式*/
	.footer-contact-info {
	display: flex;
	flex-direction: column;
	gap: 15px;
}
.footer-contact-item {
	display: flex;
	align-items: center;
	gap: 10px;
	color: #bbb;
}
.footer-contact-item i {
	color: #3498db;
	width: 20px;
}
.social-links {
	display: flex;
	gap: 15px;
	margin-top: 20px;
}
.social-links a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background-color: #2c2c2c;
	color: #fff;
	text-decoration: none;
	transition: all 0.3s ease;
}
.social-links a:hover {
	background-color: #3498db;
	transform: translateY(-3px);
}
/* 底部版权信息*/
	.footer-bottom {
	border-top: 1px solid #333;
	padding-top: 20px;
	text-align: center;
	color: #888;
	font-size: 14px;
}
/* 响应式调整*/
	/* 中等屏幕尺寸 - 快速导航和产品分类并排，联系方式在下*/
	@media (max-width: 992px) {
	.footer-column {
	min-width: calc(50% - 15px);
	/* 两列并排，减去间距的一半*/
	
}
/* 确保联系方式列占满整行*/
	.footer-column:nth-child(3) {
	min-width: 100%;
	order: 3;
	/* 将联系方式放在最后*/
	
}
} 
/* 小屏幕尺寸 - 所有列垂直堆叠*/
	@media (max-width: 576px) {
	.footer-row {
	flex-direction: column;
	gap: 40px;
}
.footer-column {
	min-width: 100%;
}
} @media (max-width: 480px) {
	.footer-column h3 {
	font-size: 16px;
}
.social-links a {
	width: 36px;
	height: 36px;
}
.footer-bottom {
	font-size: 12px;
}
} 
/* 响应式设计*/
	@media (max-width: 767px) {
	/* 在小屏幕上隐藏面包屑导航并居中标题*/
	.breadcrumb {
	display: none;
}
.top-bar-content {
	justify-content: center;
}
.page-title {
	text-align: center;
}
} 
/* 顶部标题栏*/
	.top-bar {
	width: 100%;
	background-color: white;
	box-shadow: 0 2px 4px rgba(0,0,0,0.05);
	padding: 16px;
	margin-bottom: 20px;
}
.top-bar-content {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.page-title {
	font-size: 20px;
	font-weight: bold;
	color: #1e293b;
}
.breadcrumb {
	font-size: 14px;
	color: #64748b;
}
.breadcrumb a {
	color: #64748b;
	text-decoration: none;
}
.breadcrumb a:hover {
	color: #3b82f6;
	text-decoration: underline;
}
.breadcrumb span {
	margin: 0 6px;
	color: #94a3b8;
}