/* 基础样式设置 */
:root {
	--primary-color: #1a5fba;
	--secondary-color: #0d3d85;
	--accent-color: #f5a623;
	--light-color: #f8f9fa;
	--dark-color: #343a40;
	--gray-color: #6c757d;
}

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

body {
	line-height: 1.6;
	color: #333;
	background-color: #fff;
}

.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 15px;
}

/* 导航栏样式 */
header {
	background-color: #fff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
	position: fixed;
	width: 100%;
	top: 0;
	z-index: 1000;
}

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

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

.logo h1 {
	font-size: 1.8rem;
	color: var(--primary-color);
	margin-left: 10px;
}

.nav-links {
	display: flex;
	list-style: none;
}

.nav-links li {
	margin-left: 30px;
}

.nav-links a {
	text-decoration: none;
	color: var(--dark-color);
	font-weight: 500;
	transition: color 0.3s;
}

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

/* 英雄区域样式 */
.hero {
	background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://via.placeholder.com/1920x1080') no-repeat center center/cover;
	height: 100vh;
	display: flex;
	align-items: center;
	color: #fff;
	margin-top: 80px;
}

.hero-content {
	max-width: 800px;
}

.hero h2 {
	font-size: 3rem;
	margin-bottom: 20px;
}

.hero p {
	font-size: 1.2rem;
	margin-bottom: 30px;
}

.btn {
	display: inline-block;
	background-color: var(--accent-color);
	color: #fff;
	padding: 12px 30px;
	border-radius: 5px;
	text-decoration: none;
	font-weight: bold;
	transition: background-color 0.3s;
}

.btn:hover {
	background-color: #e59400;
}

/* 关于我们区域 */
.section {
	padding: 80px 0;
}

.section-title {
	text-align: center;
	margin-bottom: 50px;
}

.section-title h2 {
	font-size: 2.5rem;
	color: var(--primary-color);
	margin-bottom: 15px;
}

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

.about-content {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
}

.about-text {
	flex: 1;
	min-width: 300px;
	padding-right: 30px;
}

.about-image {
	flex: 1;
	min-width: 300px;
}

.about-image img {
	width: 100%;
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 服务区域样式 */
.services {
	background-color: var(--light-color);
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 30px;
}

.service-card {
	background-color: #fff;
	padding: 30px;
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
	transition: transform 0.3s;
}

.service-card:hover {
	transform: translateY(-10px);
}

.service-card h3 {
	color: var(--primary-color);
	margin: 20px 0;
}

.service-icon {
	font-size: 2.5rem;
	color: var(--accent-color);
}

/* 优势区域样式 */
.advantages-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 30px;
}

.advantage-card {
	text-align: center;
	padding: 30px 20px;
}

.advantage-card h3 {
	color: var(--primary-color);
	margin: 20px 0;
}

/* 合作伙伴区域 */
.partners {
	background-color: var(--light-color);
}

.partners-grid {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 40px;
}

.partner-logo {
	height: 80px;
	opacity: 0.7;
	transition: opacity 0.3s;
}

.partner-logo:hover {
	opacity: 1;
}

/* 联系我们区域 */
.contact-content {
	display: flex;
	flex-wrap: wrap;
	gap: 40px;
}

.contact-info {
	flex: 1;
	min-width: 300px;
}

.contact-form {
	flex: 1;
	min-width: 300px;
}

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

.form-group label {
	display: block;
	margin-bottom: 5px;
	font-weight: 500;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px;
	border: 1px solid #ddd;
	border-radius: 5px;
}

.form-group textarea {
	height: 150px;
}

/* 页脚样式 */
footer {
	background-color: var(--dark-color);
	color: #fff;
	padding: 60px 0 30px;
}

.footer-content {
	display: flex;
	flex-wrap: wrap;
	gap: 40px;
	margin-bottom: 40px;
}

.footer-column {
	flex: 1;
	min-width: 200px;
}

.footer-column h3 {
	margin-bottom: 20px;
	font-size: 1.2rem;
}

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

.footer-column ul li {
	margin-bottom: 10px;
}

.footer-column a {
	color: #ddd;
	text-decoration: none;
	transition: color 0.3s;
}

.footer-column a:hover {
	color: #fff;
}

.copyright {
	text-align: center;
	padding-top: 20px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.indent-text {
	text-indent: 2em; /* 使用em单位，大约是字符的宽度 */
}

/* 响应式设计 */
@media (max-width: 768px) {
	.nav-links {
		display: none;
	}
	
	.hero h2 {
		font-size: 2rem;
	}
	
	.about-content, .contact-content {
		flex-direction: column;
	}
	
	.about-text {
		padding-right: 0;
		margin-bottom: 30px;
	}
}