/* 全局样式 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--primary-color: #1a237e;
	--secondary-color: #ff6b35;
	--accent-color: #003d82;
	--text-dark: #333;
	--text-light: #666;
	--bg-light: #f5f5f5;
	--white: #ffffff;
	--shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	--shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
}

body {
	font-family: 'Arial', 'Helvetica', sans-serif;
	line-height: 1.6;
	color: var(--text-dark);
	background-color: var(--white);
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* 导航栏 */
.navbar {
	background: var(--primary-color);
	color: var(--white);
	padding: 1rem 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: var(--shadow);
}

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

.logo h1 {
	font-size: 1.8rem;
	font-weight: 1000;
	color: var(--secondary-color);
	transform: skewX(-25deg);
}

/* 语言下拉（透明触发条 + 白底菜单 + 向上指示） */
.lang-dropdown {
	position: relative;
	flex-shrink: 0;
}

.lang-dropdown-trigger {
	margin: 0;
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	padding: 0.42rem 0.65rem 0.42rem 0.5rem;
	font-family: inherit;
	font-size: 0.875rem;
	font-weight: 700;
	line-height: 1.2;
	color: #fff;
	background: transparent;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	box-shadow: none;
}

.lang-dropdown-trigger:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 2px;
}

.lang-dropdown-label {
	letter-spacing: 0.02em;
}

.lang-dropdown-chevron {
	width: 0;
	height: 0;
	margin-left: 0.1rem;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-top: 5px solid rgba(255, 255, 255, 0.92);
	transition: transform 0.2s ease;
	flex-shrink: 0;
}

.lang-dropdown.is-open .lang-dropdown-chevron {
	transform: rotate(180deg);
}

.lang-dropdown-popover {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	padding-top: 10px;
	min-width: 148px;
	z-index: 1001;
}

.lang-dropdown-popover[hidden] {
	display: none;
}

.lang-dropdown-surface {
	position: relative;
}

.lang-dropdown-notch {
	position: absolute;
	top: 2px;
	left: 50%;
	transform: translateX(-50%);
	width: 0;
	height: 0;
	border-left: 9px solid transparent;
	border-right: 9px solid transparent;
	border-bottom: 9px solid #fff;
	filter: drop-shadow(0 -1px 1px rgba(0, 0, 0, 0.06));
	z-index: 1;
}

.lang-dropdown-sheet {
	position: relative;
	margin-top: 10px;
	padding: 0.5rem;
	background: #fff;
	border-radius: 8px;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.14), 0 2px 8px rgba(0, 0, 0, 0.06);
}

.lang-dropdown-item {
	margin: 0;
	display: flex;
	align-items: center;
	width: 100%;
	padding: 0.55rem 0.65rem;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 700;
	color: #1a1a1a;
	background: transparent;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	text-align: left;
	transition: background 0.15s;
}

.lang-dropdown-item:hover {
	background: #f0f4f8;
}

.lang-dropdown-item:focus-visible {
	outline: 2px solid #1976d2;
	outline-offset: 0;
}

.nav-menu {
	display: flex;
	list-style: none;
	gap: 2rem;
}

.nav-menu a {
	color: var(--white);
	text-decoration: none;
	font-weight: 500;
	transition: color 0.3s;
	padding: 0.5rem 1rem;
	border-radius: 4px;
}

.nav-menu a:hover,
.nav-menu a.active {
	background-color: rgba(255, 255, 255, 0.2);
	color: var(--white);
}

.hamburger {
	display: none;
	flex-direction: column;
	cursor: pointer;
	gap: 4px;
}

.hamburger span {
	width: 25px;
	height: 3px;
	background: var(--white);
	transition: 0.3s;
}

/* 英雄区域 */
.hero {
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
	color: var(--white);
	padding: 120px 0;
	text-align: center;
}

.hero-content h1 {
	font-size: 3.5rem;
	margin-bottom: 1rem;
	font-weight: bold;
}

.hero-content p {
	font-size: 1.3rem;
	margin-bottom: 2rem;
	opacity: 0.9;
}

/* 按钮 */
.btn-primary {
	display: inline-block;
	background: var(--secondary-color);
	color: var(--white);
	padding: 15px 40px;
	text-decoration: none;
	border-radius: 5px;
	font-weight: bold;
	font-size: 1.1rem;
	transition: all 0.3s;
	border: none;
	cursor: pointer;
}

.btn-primary:hover {
	background: #e55a2b;
	transform: translateY(-2px);
	box-shadow: var(--shadow-hover);
}

/* 章节标题 */
.section-title {
	text-align: center;
	font-size: 2.5rem;
	margin-bottom: 3rem;
	color: var(--primary-color);
	font-weight: bold;
}

.section-subtitle {
	text-align: center;
	font-size: 1.2rem;
	color: var(--text-light);
	margin-bottom: 3rem;
}

/* 企业能力 */
.capabilities {
	padding: 80px 0;
	background: var(--bg-light);
}

.capabilities-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.capability-card {
	background: var(--white);
	padding: 2.5rem;
	border-radius: 10px;
	text-align: center;
	box-shadow: var(--shadow);
	transition: transform 0.3s, box-shadow 0.3s;
}

.capability-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-hover);
}

.capability-card .icon {
	font-size: 3rem;
	margin-bottom: 1rem;
}

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

.capability-card p {
	color: var(--text-light);
	line-height: 1.8;
}

/* 企业风采 */
.showcase {
	padding: 80px 0;
	background: var(--white);
}

.showcase-content {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 3rem;
	align-items: center;
}

.showcase-text h3 {
	font-size: 2rem;
	color: var(--primary-color);
	margin-bottom: 1.5rem;
}

.showcase-text p {
	margin-bottom: 1.5rem;
	color: var(--text-light);
	line-height: 1.8;
	font-size: 1.1rem;
}

.showcase-images {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
}

.image-card {
	text-align: center;
}

.image-placeholder {
	/*background: linear-gradient(135deg, var(--primary-color), var(--accent-color));*/
	color: var(--white);
	padding: 10px 20px;
	border-radius: 10px;
	font-size: 3rem;
	margin-bottom: 1rem;
	box-shadow: var(--shadow);
}

.image-placeholder img {
	width: 100%;
	object-fit: cover;
}

.image-card p {
	font-weight: bold;
	color: var(--text-dark);
}

/* 合作伙伴 */
.partners {
	padding: 80px 0;
	background: var(--bg-light);
}

.partners-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 2rem;
}

.partner-card {
	background: var(--white);
	padding: 2rem;
	border-radius: 10px;
	text-align: center;
	box-shadow: var(--shadow);
	transition: transform 0.3s;
}

.partner-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-hover);
}

.partner-logo {
	/* background: var(--primary-color);*/
	color: var(--white);
	padding: 2rem;
	border-radius: 8px;
	font-weight: bold;
	font-size: 1.5rem;
	margin-bottom: 1rem;
}

.partner-logo img {
	width: 100%;
	object-fit: cover;
}

.partner-card p {
	color: var(--text-light);
	font-weight: 500;
}

/* 页面标题 */
.page-header {
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
	color: var(--white);
	padding: 80px 0;
	text-align: center;
}

.page-header h1 {
	font-size: 3rem;
	margin-bottom: 1rem;
}

.page-header p {
	font-size: 1.2rem;
	opacity: 0.9;
}

/* 企业信息 */
.company-info {
	padding: 80px 0;
	background: var(--white);
}

.info-content {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 3rem;
	align-items: start;
}

.info-text h2 {
	font-size: 2.5rem;
	color: var(--primary-color);
	margin-bottom: 1.5rem;
}

.info-text h3 {
	font-size: 1.8rem;
	color: var(--primary-color);
	margin-top: 2rem;
	margin-bottom: 1rem;
}

.info-text p {
	color: var(--text-light);
	line-height: 1.8;
	margin-bottom: 1rem;
	font-size: 1.1rem;
}

.values-list {
	list-style: none;
	margin-top: 1rem;
}

.values-list li {
	padding: 0.8rem 0;
	color: var(--text-light);
	font-size: 1.1rem;
	border-bottom: 1px solid #eee;
}

.values-list li:last-child {
	border-bottom: none;
}

.info-stats {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 1.5rem;
}

.stat-card {
	background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
	color: var(--white);
	padding: 2rem;
	border-radius: 10px;
	text-align: center;
	box-shadow: var(--shadow);
}

.stat-number {
	font-size: 3rem;
	font-weight: bold;
	margin-bottom: 0.5rem;
}

.stat-label {
	font-size: 1rem;
	opacity: 0.9;
}

/* 企业信息右侧区域 */
.info-right {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.company-image {
	border-radius: 14px;
	overflow: hidden;
	box-shadow: 0 6px 24px rgba(26, 35, 126, 0.15);
}

.company-img-inner {
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
	height: 260px;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
}

.company-img-inner::before {
	content: '';
	position: absolute;
	inset: 0;
	background: repeating-linear-gradient(45deg,
			rgba(255, 255, 255, 0.03) 0px,
			rgba(255, 255, 255, 0.03) 2px,
			transparent 2px,
			transparent 12px);
}

.img-icon {
	font-size: 5rem;
	z-index: 1;
	filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

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

.img-overlay {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(0, 0, 0, 0.45);
	backdrop-filter: blur(4px);
	padding: 14px 20px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.img-overlay span {
	color: var(--white);
	font-weight: 700;
	font-size: 1rem;
}

.img-overlay small {
	color: rgba(255, 255, 255, 0.75);
	font-size: 0.82rem;
}

.info-stats-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.2rem;
}

.info-stats-row .stat-card {
	padding: 1.5rem 1rem;
}

.info-stats-row .stat-number {
	font-size: 2.2rem;
}

/* 售后服务 */
.after-sales {
	padding: 80px 0;
	background: var(--bg-light);
}

.service-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.service-card {
	background: var(--white);
	padding: 2.5rem;
	border-radius: 10px;
	box-shadow: var(--shadow);
	transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-hover);
}

.service-icon {
	font-size: 3rem;
	margin-bottom: 1rem;
}

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

.service-card p {
	color: var(--text-light);
	line-height: 1.8;
}

/* 服务流程 */
.service-process {
	padding: 80px 0;
	background: var(--white);
}

.process-steps {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 2rem;
}

.step {
	flex: 1;
	min-width: 200px;
	text-align: center;
	padding: 2rem;
	background: var(--bg-light);
	border-radius: 10px;
}

.step-number {
	width: 60px;
	height: 60px;
	background: var(--primary-color);
	color: var(--white);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2rem;
	font-weight: bold;
	margin: 0 auto 1rem;
}

.step h3 {
	color: var(--primary-color);
	margin-bottom: 1rem;
}

.step p {
	color: var(--text-light);
	line-height: 1.8;
}

.step-arrow {
	font-size: 2rem;
	color: var(--primary-color);
	font-weight: bold;
}

.product-filter {
	padding: 40px 0 20px;
	background: var(--white);
	border-bottom: 2px solid var(--bg-light);
}

.filter-tabs {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 12px;
}

.filter-tab {
	padding: 10px 28px;
	border: 2px solid var(--primary-color);
	background: transparent;
	color: var(--primary-color);
	border-radius: 30px;
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s;
}

.filter-tab:hover,
.filter-tab.active {
	background: var(--primary-color);
	color: var(--white);
}

.products-section {
	padding: 60px 0 80px;
	background: var(--bg-light);
}

.products-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 2rem;
}

.product-card {
	background: var(--white);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: transform 0.3s, box-shadow 0.3s;
	display: flex;
	flex-direction: column;
}

.product-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-hover);
}

.product-card.hidden {
	display: none;
}

.product-img {
	/* background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%); */
	height: 180px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 4rem;
	color: var(--white);
	position: relative;
}

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

.product-badge {
	position: absolute;
	top: 12px;
	right: 12px;
	background: var(--secondary-color);
	color: var(--white);
	padding: 4px 12px;
	border-radius: 20px;
	font-size: 0.75rem;
	font-weight: bold;
}

.product-body {
	padding: 1.5rem;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.product-category {
	font-size: 0.8rem;
	color: var(--secondary-color);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 0.5rem;
}

.product-name {
	font-size: 1.2rem;
	font-weight: bold;
	color: var(--primary-color);
	margin-bottom: 0.75rem;
}

.product-desc {
	color: var(--text-light);
	font-size: 0.95rem;
	line-height: 1.7;
	flex: 1;
	margin-bottom: 1.2rem;
}

.product-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	border-top: 1px solid #eee;
	padding-top: 1rem;
}

.product-price {
	font-size: 1.4rem;
	font-weight: bold;
	color: var(--secondary-color);
}

.product-price span {
	font-size: 0.85rem;
	font-weight: normal;
	color: var(--text-light);
}

.btn-inquiry {
	padding: 8px 20px;
	background: var(--primary-color);
	color: var(--white);
	border: none;
	border-radius: 6px;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
	transition: background 0.3s;
}

.btn-inquiry:hover {
	background: var(--accent-color);
}

.product-banner {
	padding: 60px 0;
	background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
	color: var(--white);
	text-align: center;
}

.product-banner h2 {
	font-size: 2rem;
	margin-bottom: 1rem;
}

.product-banner p {
	font-size: 1.1rem;
	opacity: 0.9;
	margin-bottom: 2rem;
}

.banner-stats {
	display: flex;
	justify-content: center;
	gap: 4rem;
	flex-wrap: wrap;
	margin-top: 2rem;
}

.banner-stat h3 {
	font-size: 2.5rem;
	font-weight: bold;
	margin-bottom: 0.3rem;
}

.banner-stat p {
	opacity: 0.85;
	margin: 0;
}

.brand-section {
	padding: 60px 0;
	background: var(--white);
}

.brand-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: 1.5rem;
	margin-top: 2rem;
}

.brand-card {
	border: 2px solid #eee;
	border-radius: 10px;
	padding: 1.5rem;
	text-align: center;
	cursor: pointer;
	transition: all 0.3s;
}

.brand-card:hover {
	border-color: var(--primary-color);
	transform: translateY(-3px);
	box-shadow: var(--shadow);
}

.brand-name {
	font-size: 1.3rem;
	font-weight: bold;
	color: var(--primary-color);
	margin-bottom: 0.3rem;
}

.brand-count {
	font-size: 0.85rem;
	color: var(--text-light);
}

@media (max-width: 768px) {
	.banner-stats {
		gap: 2rem;
	}
}

/* 联系页面 */
.contact-section {
	padding: 80px 0;
	background: var(--bg-light);
}

.contact-wrapper {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 3rem;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
	font-size: 2rem;
	color: var(--primary-color);
	margin-bottom: 2rem;
}

.contact-form {
	background: var(--white);
	padding: 2.5rem;
	border-radius: 10px;
	box-shadow: var(--shadow);
}

.form-group {
	margin-bottom: 1.5rem;
}

.form-group label {
	display: block;
	margin-bottom: 0.5rem;
	color: var(--text-dark);
	font-weight: 500;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px;
	border: 2px solid #ddd;
	border-radius: 5px;
	font-size: 1rem;
	font-family: inherit;
	transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--primary-color);
}

.form-group textarea {
	resize: vertical;
}

.form-message {
	margin-top: 1rem;
	padding: 1rem;
	border-radius: 5px;
	display: none;
}

.form-message.success {
	background: #d4edda;
	color: #155724;
	display: block;
}

.form-message.error {
	background: #f8d7da;
	color: #721c24;
	display: block;
}

.contact-info {
	background: var(--white);
	padding: 2.5rem;
	border-radius: 10px;
	box-shadow: var(--shadow);
	margin-bottom: 2rem;
}

.info-item {
	display: flex;
	gap: 1.5rem;
	margin-bottom: 2rem;
	padding-bottom: 2rem;
	border-bottom: 1px solid #eee;
}

.info-item:last-child {
	border-bottom: none;
	margin-bottom: 0;
	padding-bottom: 0;
}

.info-icon {
	font-size: 2.5rem;
	flex-shrink: 0;
}

.info-content h3 {
	color: var(--primary-color);
	margin-bottom: 0.5rem;
	font-size: 1.3rem;
}

.info-content p {
	color: var(--text-light);
	line-height: 1.8;
}

.map-placeholder {
	background: var(--white);
	padding: 3rem;
	border-radius: 10px;
	box-shadow: var(--shadow);
	text-align: center;
	min-height: 300px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

.map-content {
	color: var(--text-light);
}

.map-content p:first-child {
	font-size: 3rem;
	margin-bottom: 1rem;
}

/* 联系我们页面专属样式 */
.contact-section {
	padding: 70px 0 90px;
	background: #f0f4f8;
}

.contact-wrapper {
	display: grid;
	grid-template-columns: 1fr 1.4fr;
	gap: 3rem;
	align-items: start;
}

/* 左侧联系信息 */
.contact-info-wrapper h2 {
	font-size: 2rem;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.contact-info-wrapper .subtitle {
	color: var(--text-light);
	margin-bottom: 2rem;
	font-size: 1rem;
}

.info-cards {
	display: flex;
	flex-direction: column;
	gap: 1.2rem;
}

.info-card {
	display: flex;
	align-items: flex-start;
	gap: 1.2rem;
	background: var(--white);
	border-radius: 12px;
	padding: 1.4rem 1.6rem;
	box-shadow: 0 2px 12px rgba(26, 35, 126, 0.07);
	border-left: 4px solid var(--primary-color);
	transition: transform 0.2s, box-shadow 0.2s;
}

.info-card:hover {
	transform: translateX(4px);
	box-shadow: 0 4px 20px rgba(26, 35, 126, 0.13);
}

.info-card-icon {
	width: 48px;
	height: 48px;
	background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
	border-radius: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
	flex-shrink: 0;
}

.info-card-body h3 {
	font-size: 1rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.4rem;
}

.info-card-body p {
	color: var(--text-light);
	font-size: 0.92rem;
	line-height: 1.75;
	margin: 0;
}

/* 右侧表单 */
.contact-form-wrapper h2 {
	font-size: 2rem;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

.contact-form-wrapper .subtitle {
	color: var(--text-light);
	margin-bottom: 2rem;
	font-size: 1rem;
}

.contact-form {
	background: var(--white);
	padding: 2.5rem;
	border-radius: 14px;
	box-shadow: 0 4px 24px rgba(26, 35, 126, 0.09);
}

.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.2rem;
}

.form-group {
	margin-bottom: 1.4rem;
}

.form-group label {
	display: block;
	margin-bottom: 0.5rem;
	color: var(--text-dark);
	font-weight: 600;
	font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px 14px;
	border: 2px solid #e0e6f0;
	border-radius: 8px;
	font-size: 0.95rem;
	font-family: inherit;
	color: var(--text-dark);
	background: #fafbfd;
	transition: border-color 0.3s, background 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--primary-color);
	background: var(--white);
}

.form-group textarea {
	resize: vertical;
}

.form-message {
	margin-top: 1rem;
	padding: 1rem 1.2rem;
	border-radius: 8px;
	display: none;
	font-weight: 500;
}

.form-message.success {
	background: #d4edda;
	color: #155724;
	display: block;
}

.form-message.error {
	background: #f8d7da;
	color: #721c24;
	display: block;
}

@media (max-width: 900px) {
	.contact-wrapper {
		grid-template-columns: 1fr;
	}

	.form-row {
		grid-template-columns: 1fr;
	}
}

/* 页脚 */
.footer {
	background: var(--primary-color);
	color: var(--white);
	padding: 50px 0 20px;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
	margin-bottom: 1rem;
}

.footer-section p {
	opacity: 0.9;
	line-height: 1.8;
}

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

.footer-section ul li {
	margin-bottom: 0.5rem;
}

.footer-section a {
	color: var(--white);
	text-decoration: none;
	opacity: 0.9;
	transition: opacity 0.3s;
}

.footer-section a:hover {
	opacity: 1;
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	opacity: 0.8;
}

/* 回到顶部按钮 */
#backToTop {
	position: fixed;
	bottom: 40px;
	right: 36px;
	width: 48px;
	height: 48px;
	background: var(--primary-color);
	color: var(--white);
	border: none;
	border-radius: 50%;
	font-size: 1.6rem;
	line-height: 1;
	cursor: pointer;
	box-shadow: 0 4px 16px rgba(26, 35, 126, 0.35);
	opacity: 0;
	visibility: hidden;
	transform: translateY(16px);
	transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s;
	z-index: 999;
	display: flex;
	align-items: center;
	justify-content: center;
}

#backToTop.visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

#backToTop:hover {
	background: var(--secondary-color);
	box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
	transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
	.hamburger {
		display: flex;
	}

	.nav-menu {
		position: fixed;
		left: -100%;
		top: 70px;
		flex-direction: column;
		background: var(--primary-color);
		width: 100%;
		text-align: center;
		transition: 0.3s;
		box-shadow: var(--shadow);
		padding: 2rem 0;
	}

	.nav-menu.active {
		left: 0;
	}

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

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

	.section-title {
		font-size: 2rem;
	}

	.showcase-content {
		grid-template-columns: 1fr;
	}

	.info-content {
		grid-template-columns: 1fr;
	}

	.info-stats-row {
		grid-template-columns: 1fr 1fr;
	}

	.contact-wrapper {
		grid-template-columns: 1fr;
	}

	.process-steps {
		flex-direction: column;
	}

	.step-arrow {
		transform: rotate(90deg);
	}

	.capabilities-grid,
	.service-grid {
		grid-template-columns: 1fr;
	}
}

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

	.hero-content h1 {
		font-size: 1.5rem;
	}

	.page-header h1 {
		font-size: 2rem;
	}

	.section-title {
		font-size: 1.5rem;
	}
}