* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

:root {
	--primary: #1a2980;
	--secondary: #26d0ce;
	--accent: #4b6cb7;
	--light: #f8fbff;
	--dark: #0f172a;
	--gray: #64748b;
	--success: #10b981;
	--warning: #f59e0b;
	--danger: #ef4444;
	--shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
	--transition: all 0.3s ease;
}

body {
	background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
	color: var(--dark);
	line-height: 1.6;
	overflow-x: hidden;
}

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

section {
	padding: 80px 0;
	scroll-margin-top: 120px;
}

/* Header & Navigation */
header {
	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
	color: white;
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: var(--shadow);
	transition: var(--transition);
}

.header-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 0;
}

.logo {
	display: flex;
	align-items: center;
	gap: 15px;
}

.logo-img {
	width: 60px;
	height: 60px;
	background: white;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: bold;
	font-size: 1.5rem;
	color: var(--primary);
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
	transition: var(--transition);
}

.logo:hover .logo-img {
	transform: rotate(10deg);
}

.logo-text {
	font-size: 1.5rem;
	font-weight: 700;
}

/* 桌面端导航样式 */
nav ul {
	display: flex;
	list-style: none;
	gap: 25px;
}

nav a {
	color: white;
	text-decoration: none;
	font-weight: 500;
	font-size: 1rem;
	transition: var(--transition);
	padding: 8px 15px;
	border-radius: 50px;
	position: relative;
}

nav a:hover, nav a.active {
	background: rgba(255, 255, 255, 0.15);
}

nav a:after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%) scaleX(0);
	width: 80%;
	height: 2px;
	background-color: var(--secondary);
	transition: var(--transition);
	border-radius: 1px;
}

nav a:hover:after, nav a.active:after {
	transform: translateX(-50%) scaleX(1);
}

/* 移动端导航菜单样式 */
.menu-toggle {
	display: none;
	font-size: 1.8rem;
	color: white;
	cursor: pointer;
	z-index: 101;
	background: none;
	border: none;
	padding: 10px;
	transition: var(--transition);
}

.menu-toggle:hover {
	transform: scale(1.1);
}

/* 移动端导航菜单样式 */
@media (max-width: 768px) {
	.menu-toggle {
		display: block;
	}

	nav {
		position: fixed;
		top: 0;
		right: -100%;
		width: 50%;
		height: 100vh;
		background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
		z-index: 100;
		transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
		padding: 90px 25px 25px;
		overflow-y: auto;
		box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
		backdrop-filter: blur(10px);
	}

	nav.active {
		right: 0;
	}

	nav ul {
		flex-direction: column;
		align-items: flex-start;
		gap: 0;
	}

	nav li {
		width: 100%;
		margin-bottom: 5px;
	}

	nav a {
		font-size: 1.1rem;
		padding: 15px 20px;
		width: 100%;
		border-radius: 12px;
		display: block;
		transition: all 0.3s ease;
		border: 1px solid rgba(255, 255, 255, 0.1);
		background: rgba(255, 255, 255, 0.05);
		margin-bottom: 8px;
		position: relative;
		overflow: hidden;
	}

	nav a:before {
		content: '';
		position: absolute;
		top: 0;
		left: -100%;
		width: 100%;
		height: 100%;
		background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
		transition: left 0.5s ease;
	}

	nav a:hover:before {
		left: 100%;
	}

	nav a:hover, nav a.active {
		background: rgba(255, 255, 255, 0.15);
		transform: translateX(5px);
		box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
	}

	nav a:after {
		display: none;
	}

	/* 菜单遮罩 */
	.nav-overlay {
		position: fixed;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		background: rgba(0, 0, 0, 0.5);
		backdrop-filter: blur(5px);
		z-index: 99;
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
	}

	.nav-overlay.active {
		opacity: 1;
		visibility: visible;
	}
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
	nav {
		width: 90%;
		padding: 80px 20px 20px;
	}

	nav a {
		font-size: 1rem;
		padding: 12px 15px;
	}

	.logo-text {
		font-size: 1.3rem;
	}
}

/* Hero Section */
.hero {
	position: relative;
	padding: 100px 0 80px;
	text-align: center;
	background: linear-gradient(rgba(26, 41, 128, 0.85), rgba(38, 208, 206, 0.85)), url('../images/head-bg.png') center/cover;
	color: white;
	clip-path: polygon(0 0, 100% 0, 100% 90%, 0% 100%);
	margin-bottom: -50px;
}

.hero h1 {
	font-size: 2.5rem;
	font-weight: 800;
	margin-bottom: 20px;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
	animation: fadeInUp 1s ease forwards;
	opacity: 0;
}

.hero p {
	font-size: 1.2rem;
	max-width: 800px;
	margin: 0 auto 40px;
	opacity: 0;
	animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-stats {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 20px;
	margin-top: 40px;
}

.stat-item {
	background: rgba(255, 255, 255, 0.15);
	backdrop-filter: blur(10px);
	border-radius: 16px;
	padding: 20px 25px;
	text-align: center;
	min-width: 150px;
	transition: var(--transition);
	opacity: 0;
	transform: translateY(20px);
}

.stat-item:nth-child(1) {
	animation: fadeInUp 1s ease 0.5s forwards;
}

.stat-item:nth-child(2) {
	animation: fadeInUp 1s ease 0.7s forwards;
}

.stat-item:nth-child(3) {
	animation: fadeInUp 1s ease 0.9s forwards;
}

.stat-item:nth-child(4) {
	animation: fadeInUp 1s ease 1.1s forwards;
}

.stat-item:hover {
	transform: translateY(-10px);
	background: rgba(255, 255, 255, 0.2);
}

.stat-number {
	font-size: 2.2rem;
	font-weight: 700;
	margin-bottom: 10px;
	background: linear-gradient(to right, white, var(--secondary));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

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

/* About Section */
.about-section {
	background-color: white;
	border-radius: 20px;
	box-shadow: var(--shadow);
	padding: 40px 30px;
	margin: 60px 0;
	transition: var(--transition);
}

.about-section:hover {
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 50px;
	align-items: center;
	margin-bottom: 40px;
}

.about-text h3 {
	font-size: 1.8rem;
	color: var(--primary);
	margin-bottom: 20px;
	position: relative;
	padding-bottom: 15px;
}

.about-text h3:after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 80px;
	height: 4px;
	background: var(--secondary);
	border-radius: 2px;
}

.about-text p {
	font-size: 1.1rem;
	margin-bottom: 20px;
	color: var(--dark);
	line-height: 1.8;
}

.about-image {
	border-radius: 15px;
	overflow: hidden;
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
	position: relative;
	transition: var(--transition);
	order: -1;
	background-color: #f5f7fa;
	min-height: 300px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.about-image:hover {
	transform: translateY(-5px);
}

.about-image img {
	width: 100%;
	height: auto;
	display: block;
	transition: opacity 0.5s ease;
}

.about-image:after {
	content: "";
	position: absolute;
	top: -15px;
	left: -15px;
	right: -15px;
	bottom: -15px;
	border: 2px solid var(--secondary);
	border-radius: 25px;
	z-index: -1;
}

/* 图片懒加载样式 */
.lazy-image {
	opacity: 0;
	transition: opacity 0.5s ease;
}

.lazy-image.loaded {
	opacity: 1;
}

.image-placeholder {
	background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
	background-size: 200% 100%;
	animation: loading 1.5s infinite;
	border-radius: 10px;
}

@keyframes loading {
	0% {
		background-position: 200% 0;
	}
	100% {
		background-position: -200% 0;
	}
}

/* 时间线样式修改 */
.timeline {
	margin: 40px 0;
}

.timeline h3 {
	text-align: center;
	font-size: 1.8rem;
	color: var(--primary);
	margin-bottom: 40px;
}

.timeline-container {
	position: relative;
	max-width: 1000px;
	margin: 0 auto;
}

.timeline-container::after {
	content: '';
	position: absolute;
	width: 6px;
	background-color: var(--secondary);
	top: 0;
	bottom: 0;
	left: 20px;
	border-radius: 3px;
}

.timeline-item {
	padding: 10px 30px 10px 60px;
	position: relative;
	width: 100%;
	box-sizing: border-box;
}

.timeline-item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	background-color: white;
	border: 4px solid var(--secondary);
	top: 20px;
	left: 9px;
	border-radius: 50%;
	z-index: 1;
	transition: var(--transition);
}

.timeline-item:hover::after {
	transform: scale(1.3);
	box-shadow: 0 0 0 3px rgba(38, 208, 206, 0.3);
}

.timeline-content {
	padding: 20px;
	background-color: white;
	position: relative;
	border-radius: 12px;
	box-shadow: var(--shadow);
	transition: var(--transition);
}

.timeline-content:hover {
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.timeline-year {
	font-weight: 700;
	color: var(--primary);
	font-size: 1.2rem;
	margin-bottom: 10px;
}

/* Solutions Section */
.section-header {
	text-align: center;
	margin-bottom: 50px;
	opacity: 0;
	transform: translateY(20px);
	transition: var(--transition);
}

.section-header.visible {
	opacity: 1;
	transform: translateY(0);
}

.section-header h2 {
	font-size: 2.2rem;
	color: var(--primary);
	margin-bottom: 20px;
	position: relative;
	display: inline-block;
}

.section-header h2:after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 100px;
	height: 4px;
	background: var(--secondary);
	border-radius: 2px;
}

.section-header p {
	font-size: 1.1rem;
	color: var(--gray);
	max-width: 700px;
	margin: 0 auto;
}

.cards-container {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
}

.card {
	background: white;
	border-radius: 20px;
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: var(--transition);
	position: relative;
	height: 100%;
	display: flex;
	flex-direction: column;
	opacity: 0;
	transform: translateY(20px);
}

.card.visible {
	opacity: 1;
	transform: translateY(0);
}

.card:hover {
	transform: translateY(-15px);
	box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
	position: relative;
	padding: 20px 20px 20px 80px;
	background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
	color: white;
	text-align: center;
	min-height: 90px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.card-header h3 {
	font-size: 1.5rem;
	font-weight: 700;
	margin: 0;
	text-align: center;
	width: 100%;
	white-space: normal;
	line-height: 1.3;
}

.card-icon {
	position: absolute;
	left: 20px;
	top: 50%;
	transform: translateY(-50%);
	width: 50px;
	height: 50px;
	background: rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
	backdrop-filter: blur(5px);
	border: 2px solid rgba(255, 255, 255, 0.3);
	transition: var(--transition);
}

.card:hover .card-icon {
	transform: translateY(-50%) rotate(15deg);
}

.card-body {
	padding: 25px;
	flex-grow: 1;
	display: flex;
	flex-direction: column;
}

.card-body h4 {
	font-size: 1.3rem;
	color: var(--primary);
	margin-bottom: 15px;
}

.card ul {
	padding-left: 20px;
	margin: 15px 0;
	flex-grow: 1;
}

.card li {
	margin-bottom: 10px;
	position: relative;
	padding-left: 15px;
	font-size: 1rem;
}

.card li:before {
	content: "✓";
	color: var(--success);
	position: absolute;
	left: 0;
	font-weight: bold;
}

.highlight {
	background: rgba(38, 208, 206, 0.15);
	padding: 15px;
	border-left: 4px solid var(--secondary);
	margin-top: 15px;
	border-radius: 0 10px 10px 0;
	font-weight: 500;
	font-size: 1rem;
}

/* Cooperation Modes */
.cooperation-section {
	background-color: white;
	border-radius: 20px;
	padding: 40px 30px;
	margin: 60px 0;
	box-shadow: var(--shadow);
}

.cooperation-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
	margin-bottom: 30px;
}

.cooperation-card {
	background: var(--light);
	border-radius: 15px;
	padding: 25px 20px;
	text-align: center;
	transition: var(--transition);
	box-shadow: var(--shadow);
	opacity: 0;
	transform: translateY(20px);
}

.cooperation-card.visible {
	opacity: 1;
	transform: translateY(0);
}

.cooperation-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cooperation-icon {
	font-size: 2.5rem;
	color: var(--secondary);
	margin-bottom: 20px;
	transition: var(--transition);
}

.cooperation-card:hover .cooperation-icon {
	transform: scale(1.1) rotate(10deg);
}

.cooperation-title {
	font-size: 1.3rem;
	color: var(--primary);
	margin-bottom: 15px;
	font-weight: 700;
}

.cooperation-desc {
	color: var(--gray);
	font-size: 1rem;
	line-height: 1.6;
}

/* Products Section */
.products-section {
	margin: 50px 0;
}

.products-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
	margin-bottom: 30px;
}

.product-card {
	background: white;
	border-radius: 15px;
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: var(--transition);
	opacity: 0;
	transform: translateY(20px);
}

.product-card.visible {
	opacity: 1;
	transform: translateY(0);
}

.product-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-img {
	height: 180px;
	overflow: hidden;
	background-color: #f5f7fa;
}

.product-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
	transform: scale(1.1);
}

.product-info {
	padding: 20px;
}

.product-name {
	font-size: 1.2rem;
	color: var(--primary);
	margin-bottom: 10px;
	font-weight: 700;
}

.product-desc {
	color: var(--gray);
	font-size: 0.95rem;
	margin-bottom: 15px;
}

.product-features {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 15px;
}

.product-tag {
	background: rgba(38, 208, 206, 0.1);
	color: var(--primary);
	padding: 5px 12px;
	border-radius: 20px;
	font-size: 0.85rem;
}

/* Case Studies */
.case-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
}

.case-card {
	background: white;
	border-radius: 20px;
	overflow: hidden;
	box-shadow: var(--shadow);
	transition: all 0.3s ease;
	margin-bottom: 25px;
}

.case-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.case-img {
	height: 200px;
	overflow: hidden;
	background-color: #f5f7fa;
}

.case-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.case-card:hover .case-img img {
	transform: scale(1.1);
}

.case-content {
	padding: 25px;
}

.case-title {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 15px;
}

.case-title h4 {
	font-size: 1.3rem;
	color: var(--primary);
}

.case-title i {
	color: var(--secondary);
	font-size: 1.5rem;
}

.case-content p {
	margin-bottom: 15px;
	color: var(--gray);
}

.case-highlight {
	background: rgba(38, 208, 206, 0.1);
	border-left: 3px solid var(--secondary);
	padding: 12px;
	font-weight: 500;
	border-radius: 0 8px 8px 0;
	margin-top: 10px;
}

/* Solid Backing */
.tech-strength-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
	align-items: flex-start;
}

.core-tech, .service-support {
	background: white;
	border-radius: 15px;
	padding: 25px;
	box-shadow: var(--shadow);
}

.core-tech h3, .service-support h3 {
	font-size: 1.5rem;
	color: var(--primary);
	margin-bottom: 20px;
	position: relative;
	padding-bottom: 15px;
}

.core-tech h3:after, .service-support h3:after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 60px;
	height: 4px;
	background: var(--secondary);
	border-radius: 2px;
}

.tech-cards {
	display: grid;
	grid-template-columns: 1fr;
	gap: 15px;
}

.tech-card {
	display: flex;
	gap: 15px;
	align-items: flex-start;
	padding: 15px;
	border-radius: 10px;
	background: var(--light);
	transition: var(--transition);
}

.tech-card:hover {
	background: rgba(38, 208, 206, 0.1);
}

.tech-icon {
	width: 45px;
	height: 45px;
	background: rgba(26, 41, 128, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
	color: var(--primary);
	flex-shrink: 0;
}

.tech-details h4 {
	font-size: 1.1rem;
	color: var(--primary);
	margin-bottom: 8px;
}

.tech-details p {
	font-size: 0.95rem;
	color: var(--gray);
}

.service-list {
	list-style: none;
	counter-reset: service-counter;
}

.service-list li {
	counter-increment: service-counter;
	margin-bottom: 20px;
	padding-left: 30px;
	position: relative;
}

.service-list li:before {
	content: counter(service-counter);
	position: absolute;
	left: 0;
	top: 0;
	width: 22px;
	height: 22px;
	background: var(--primary);
	color: white;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: bold;
	font-size: 0.9rem;
}

.service-list li h4 {
	font-size: 1.1rem;
	color: var(--primary);
	margin-bottom: 8px;
}

.service-list li p {
	font-size: 0.95rem;
	color: var(--gray);
}

/* View More Button */
.view-more {
	text-align: center;
	margin-top: 25px;
}

.view-more-btn {
	display: inline-block;
	background: white;
	color: var(--primary);
	border: 2px solid var(--primary);
	padding: 12px 30px;
	font-size: 1rem;
	font-weight: 600;
	border-radius: 50px;
	text-decoration: none;
	transition: var(--transition);
	box-shadow: var(--shadow);
}

.view-more-btn:hover {
	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
	color: white;
	border-color: transparent;
	transform: translateY(-5px);
	box-shadow: 0 10px 25px rgba(26, 41, 128, 0.2);
}

/* Clients Section */
.clients-section {
	background: var(--light);
	border-radius: 20px;
	padding: 40px 30px;
	margin: 50px 0;
	text-align: center;
}

.client-logos {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 20px;
	margin-top: 30px;
	align-items: center;
}

.client-logo {
	background: white;
	width: 120px;
	height: 80px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 12px;
	box-shadow: var(--shadow);
	padding: 15px;
	transition: var(--transition);
	opacity: 0;
	transform: translateY(20px);
}

.client-logo.visible {
	opacity: 1;
	transform: translateY(0);
}

.client-logo:hover {
	transform: scale(1.1);
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.client-logo img {
	max-width: 100%;
	max-height: 50px;
	filter: grayscale(100%);
	opacity: 0.7;
	transition: var(--transition);
}

.client-logo:hover img {
	filter: grayscale(0);
	opacity: 1;
}

/* Download Section */
.download-section {
	background: linear-gradient(135deg, #fff 0%, #f0f9ff 100%);
	border-radius: 20px;
	padding: 40px 30px;
	text-align: center;
	box-shadow: var(--shadow);
	position: relative;
	overflow: hidden;
	border: 1px solid rgba(38, 208, 206, 0.2);
	transition: var(--transition);
}

.download-section:hover {
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.download-section:before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 5px;
	background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.download-content {
	max-width: 700px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
}

.download-btn {
	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
	color: white;
	border: none;
	padding: 15px 40px;
	font-size: 1.1rem;
	font-weight: 600;
	border-radius: 50px;
	cursor: pointer;
	transition: var(--transition);
	box-shadow: 0 10px 25px rgba(26, 41, 128, 0.3);
	margin-top: 25px;
	display: inline-flex;
	align-items: center;
	gap: 10px;
}

.download-btn:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 30px rgba(26, 41, 128, 0.4);
}

.download-btn:active {
	transform: translateY(-2px);
}

/* Contact Section */
.contact-section {
	background-color: white;
	border-radius: 20px;
	box-shadow: var(--shadow);
	padding: 40px 30px;
	margin: 60px 0;
}

.contact-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
}

.contact-info {
	padding: 15px;
}

.contact-info h3 {
	font-size: 1.8rem;
	color: var(--primary);
	margin-bottom: 25px;
	position: relative;
	padding-bottom: 15px;
}

.contact-info h3:after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 80px;
	height: 4px;
	background: var(--secondary);
	border-radius: 2px;
}

.contact-details {
	margin-bottom: 30px;
}

.contact-item {
	display: flex;
	align-items: flex-start;
	gap: 15px;
	margin-bottom: 20px;
}

.contact-icon {
	width: 45px;
	height: 45px;
	background: rgba(38, 208, 206, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
	color: var(--secondary);
	flex-shrink: 0;
	transition: var(--transition);
}

.contact-item:hover .contact-icon {
	background: rgba(38, 208, 206, 0.2);
	transform: rotate(10deg);
}

.contact-text h4 {
	font-size: 1.1rem;
	color: var(--primary);
	margin-bottom: 5px;
}

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

.contact-text a {
	color: var(--gray);
	text-decoration: none;
	transition: var(--transition);
}

.contact-text a:hover {
	color: var(--secondary);
}

.contact-social {
	margin-top: 30px;
}

.contact-social h4 {
	font-size: 1.3rem;
	color: var(--primary);
	margin-bottom: 15px;
}

.social-links {
	display: flex;
	gap: 12px;
	align-items: center;
}

.social-link {
	width: 45px;
	height: 45px;
	background: rgba(26, 41, 128, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
	color: var(--primary);
	transition: var(--transition);
}

.social-link:hover {
	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
	color: white;
	transform: translateY(-5px);
	box-shadow: 0 10px 20px rgba(26, 41, 128, 0.2);
}

/* 二维码样式 */
.qrcode-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	margin-top: 15px;
	gap: 10px;
}

.qrcode {
	width: 150px;
	height: 150px;
	background: white;
	border-radius: 10px;
	padding: 10px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: var(--transition);
}

.qrcode img {
	max-width: 100%;
	max-height: 100%;
	border-radius: 5px;
}

.qrcode:hover {
	transform: scale(1.05);
	box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.qrcode-text {
	font-size: 0.9rem;
	color: var(--gray);
	text-align: center;
}

.contact-form {
	background: var(--light);
	padding: 25px;
	border-radius: 15px;
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
	font-size: 1.6rem;
	color: var(--primary);
	margin-bottom: 25px;
	text-align: center;
}

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

.form-group label {
	display: block;
	margin-bottom: 8px;
	font-weight: 500;
	color: var(--primary);
	font-size: 1rem;
}

.form-control {
	width: 100%;
	padding: 12px 15px;
	border: 1px solid rgba(38, 208, 206, 0.3);
	border-radius: 10px;
	font-size: 1rem;
	transition: var(--transition);
	background: white;
}

.form-control:focus {
	outline: none;
	border-color: var(--secondary);
	box-shadow: 0 0 0 5px rgba(38, 208, 206, 0.1);
}

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

.submit-btn {
	background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
	color: white;
	border: none;
	padding: 12px 25px;
	font-size: 1.1rem;
	font-weight: 600;
	border-radius: 10px;
	cursor: pointer;
	transition: var(--transition);
	width: 100%;
	box-shadow: 0 5px 15px rgba(26, 41, 128, 0.2);
}

.submit-btn:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 20px rgba(26, 41, 128, 0.3);
}

.submit-btn:active {
	transform: translateY(-1px);
}

/* Footer */
footer {
	background: var(--dark);
	color: white;
	padding: 50px 0 25px;
	margin-top: 60px;
	clip-path: polygon(0 5%, 100% 0, 100% 100%, 0% 100%);
}

.footer-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 30px;
	margin-bottom: 30px;
}

.footer-column h3 {
	font-size: 1.3rem;
	margin-bottom: 20px;
	color: var(--secondary);
	position: relative;
	padding-bottom: 12px;
}

.footer-column h3:after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 60px;
	height: 3px;
	background: var(--secondary);
	border-radius: 3px;
}

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

.footer-column li {
	margin-bottom: 12px;
}

.footer-column a {
	color: rgba(255, 255, 255, 0.8);
	text-decoration: none;
	transition: var(--transition);
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 0.95rem;
}

.footer-column a:hover {
	color: var(--secondary);
	padding-left: 5px;
}

.footer-column a i {
	width: 20px;
	text-align: center;
	color: var(--secondary);
}

.footer-bottom {
	text-align: center;
	padding-top: 25px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	color: rgba(255, 255, 255, 0.7);
	font-size: 1rem;
}

/* Animations */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* 平板设备适配 */
@media (min-width: 768px) {
	.container {
		padding: 0 20px;
	}

	.hero h1 {
		font-size: 3rem;
	}

	.hero p {
		font-size: 1.3rem;
	}

	.stat-item {
		min-width: 170px;
	}

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

	.about-image {
		order: 0;
	}

	.cards-container {
		grid-template-columns: repeat(2, 1fr);
	}

	.cooperation-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.products-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.case-grid {
		grid-template-columns: repeat(2, 1fr);
	}

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

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

	.footer-content {
		grid-template-columns: repeat(3, 1fr);
	}

	/* 平板端二维码调整 */
	.qrcode {
		width: 130px;
		height: 130px;
	}
}

/* 桌面设备适配 */
@media (min-width: 992px) {
	.cards-container {
		grid-template-columns: repeat(3, 1fr);
	}

	.cooperation-grid {
		grid-template-columns: repeat(4, 1fr);
	}

	.products-grid {
		grid-template-columns: repeat(3, 1fr);
	}

	.case-grid {
		grid-template-columns: repeat(3, 1fr);
	}

	/* 时间线桌面端样式 */
	.timeline-container::after {
		left: 50%;
		transform: translateX(-50%);
		width: 4px;
		background: linear-gradient(to bottom, var(--secondary), var(--primary));
	}

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

	.timeline-left {
		left: 0;
		padding-right: 70px;
	}

	.timeline-right {
		left: 50%;
		padding-left: 70px;
	}

	.timeline-item::after {
		width: 24px;
		height: 24px;
		background: white;
		border: 4px solid var(--secondary);
		top: 30px;
		left: 100%;
		transform: translateX(-50%);
		box-shadow: 0 0 0 4px rgba(38, 208, 206, 0.2);
		transition: all 0.3s ease;
	}

	.timeline-right::after {
		left: 0;
		transform: translateX(-50%);
	}

	.timeline-item:hover::after {
		transform: translateX(-50%) scale(1.2);
		box-shadow: 0 0 0 6px rgba(38, 208, 206, 0.3);
		background: var(--secondary);
	}

	.timeline-right:hover::after {
		transform: translateX(-50%) scale(1.2);
	}

	/* 添加时间线内容框的箭头 */
	.timeline-content {
		position: relative;
	}

	.timeline-left .timeline-content:before {
		content: '';
		position: absolute;
		top: 25px;
		right: -10px;
		width: 0;
		height: 0;
		border-top: 10px solid transparent;
		border-bottom: 10px solid transparent;
		border-left: 10px solid white;
		filter: drop-shadow(1px 0 1px rgba(0, 0, 0, 0.1));
	}

	.timeline-right .timeline-content:before {
		content: '';
		position: absolute;
		top: 25px;
		left: -10px;
		width: 0;
		height: 0;
		border-top: 10px solid transparent;
		border-bottom: 10px solid transparent;
		border-right: 10px solid white;
		filter: drop-shadow(-1px 0 1px rgba(0, 0, 0, 0.1));
	}

	/* 时间年份样式增强 */
	.timeline-year {
		font-size: 1.3rem;
		font-weight: 800;
		color: var(--primary);
		margin-bottom: 12px;
		padding-bottom: 8px;
		border-bottom: 2px solid rgba(38, 208, 206, 0.3);
		display: inline-block;
	}

	/* 时间线内容悬停效果 */
	.timeline-content {
		transition: all 0.3s ease;
		border-left: 3px solid transparent;
	}

	.timeline-left .timeline-content {
		border-right: 3px solid transparent;
		border-left: none;
	}

	.timeline-item:hover .timeline-content {
		transform: translateY(-5px);
		box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
		border-left-color: var(--secondary);
	}

	.timeline-left:hover .timeline-content {
		border-right-color: var(--secondary);
		border-left-color: transparent;
	}
}

/* 桌面端二维码调整 */
.qrcode {
	width: 120px;
	height: 120px;
}

/* 大屏幕设备适配 */
@media (min-width: 1200px) {
	.hero h1 {
		font-size: 3.5rem;
	}

	.hero p {
		font-size: 1.4rem;
	}

	.stat-item {
		min-width: 200px;
		padding: 25px 35px;
	}

	.stat-number {
		font-size: 2.8rem;
	}
}

/* 移动端时间线优化 - 确保圆点与时间线完美对齐 */
@media (max-width: 991px) {
	.timeline-container::after {
		left: 23px; /* 调整时间线位置，确保与圆点中心对齐 */
	}

	.timeline-item::after {
		left: 14px; /* 调整圆点位置，确保与时间线中心对齐 */
	}

	.timeline-item {
		padding: 10px 15px 10px 50px; /* 调整内边距适应新的对齐 */
	}

	.timeline-content {
		padding: 15px;
	}

	.timeline-year {
		font-size: 1.1rem;
	}

	.timeline-content p {
		font-size: 0.95rem;
	}
}

/* 桌面端隐藏关闭按钮 */
@media (min-width: 769px) {
	nav .close-btn {
		display: none !important;
	}
}

/* 超小屏幕适配（360px以下） */
@media (max-width: 360px) {
	.container {
		padding: 0 10px;
	}

	section {
		padding: 50px 0;
	}

	.hero {
		padding: 60px 0 50px;
		margin-bottom: -30px;
	}

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

	.stat-item {
		padding: 15px;
		min-width: auto;
		width: 100%;
	}

	.about-section,
	.cooperation-section,
	.contact-section {
		padding: 30px 20px;
	}

	.section-header h2 {
		font-size: 1.8rem;
	}

	.section-header p {
		font-size: 1rem;
	}

	.download-section,
	.clients-section {
		padding: 30px 20px;
	}

	/* 超小屏幕二维码调整 */
	.qrcode {
		width: 100px;
		height: 100px;
	}

	.qrcode-text {
		font-size: 0.8rem;
	}
}

/* 优化触摸交互元素大小 */
@media (max-width: 768px) {
	.social-link,
	.contact-icon {
		width: 42px;
		height: 42px;
	}

	.view-more-btn,
	.download-btn,
	.submit-btn {
		padding: 12px 25px;
		font-size: 1rem;
		min-height: 44px;
		min-width: 140px;
	}

	.product-tag {
		padding: 4px 10px;
		font-size: 0.85rem;
	}
}

/* 图片适配优化 */
@media (max-width: 576px) {
	.about-image img,
	.product-img img,
	.case-img img {
		object-fit: contain;
		height: auto;
		min-height: 140px;
	}
}

/* 移动端字体层级优化 */
@media (max-width: 768px) {
	.logo-text {
		font-size: 1.3rem;
	}

	.about-text h3,
	.timeline h3,
	.section-header h2,
	.contact-info h3 {
		font-size: 1.6rem;
	}

	.cooperation-title,
	.product-name,
	.case-title h4 {
		font-size: 1.2rem;
	}

	.about-text p,
	.cooperation-desc,
	.product-desc,
	.case-content p {
		font-size: 1rem;
		line-height: 1.6;
	}
}

/* 按钮悬停效果适配（触摸设备） */
@media (hover: none) {
	.view-more-btn:hover,
	.download-btn:hover,
	.submit-btn:hover,
	.social-link:hover,
	.card:hover,
	.cooperation-card:hover,
	.product-card:hover,
	.case-card:hover,
	.stat-item:hover {
		transform: none;
	}
}