/* 全局样式 */
:root {
	--primary-color: #12B06D;
	--primary-dark: #2CB88A;
	--text-color: #333;
	--text-light: #777;
	--bg-light: #f9f9f9;
	--white: #fff;
	--shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
	--transition: all 0.3s ease;
}

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

html {
	scroll-behavior: smooth;
}

body {
	color: var(--text-color);
	line-height: 1.6;
	overflow-x: hidden;
}

.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

section {
	padding: 80px 0;
}

.section-title {
	text-align: center;
	margin-bottom: 60px;
	position: relative;
}

.section-title h2 {
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 15px;
	color: #222;
}

.section-title p {
	font-size: 1.1rem;
	color: var(--text-light);
	max-width: 600px;
	margin: 0 auto;
}

.section-title::after {
	content: '';
	position: absolute;
	bottom: -15px;
	left: 50%;
	transform: translateX(-50%);
	width: 80px;
	height: 4px;
	background: var(--primary-color);
	border-radius: 2px;
}

.btn {
	display: inline-block;
	padding: 12px 30px;
	background: var(--primary-color);
	color: var(--white);
	border: none;
	border-radius: 4px;
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	transition: var(--transition);
	text-decoration: none;
}

.btn:hover {
	background: var(--primary-dark);
	transform: translateY(-3px);
	box-shadow: var(--shadow);
}

/* 导航栏样式 */
header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	background: var(--white);
	box-shadow: var(--shadow);
	transition: var(--transition);
}

.header-scrolled {
	padding: 10px 0;
	background: rgba(255, 255, 255, 0.95);
}

.navbar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 20px 0;
}

.logo {
	display: flex;
	align-items: center;
	font-size: 1.8rem;
	font-weight: 700;
	color: var(--primary-color);
	text-decoration: none;
}

.logo i {
	margin-right: 8px;
}

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

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

.nav-menu a {
	color: var(--text-color);
	text-decoration: none;
	font-weight: 600;
	font-size: 1rem;
	transition: var(--transition);
	position: relative;
}

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

.nav-menu a::after {
	content: '';
	position: absolute;
	bottom: -5px;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--primary-color);
	transition: var(--transition);
}

.nav-menu a:hover::after {
	width: 100%;
}

.hamburger {
	display: none;
	cursor: pointer;
	font-size: 1.5rem;
}

/* 首页样式 - 全屏背景图片 */
.hero {
	background:  url('../imgs/about.jpg?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
	background-size: cover;
	background-position: center;
	display: flex;
	align-items: center;
	text-align: center;
	color: var(--white);
}
#home{
	background-color: #EBEBEB;
	margin: 0 auto;
	padding: 110px 80px 0px 0px;
}

#timeline{
	background-image: linear-gradient(#add1f6, #F0F5F9);
	margin: 0 auto;
	padding: 100px 80px 0px 0px;
}

.hero-content {
	max-width: 800px;
	margin: 0 auto;
}

.hero h1 {
	font-size: 3.5rem;
	margin-bottom: 20px;
	font-weight: 800;
}

.hero p {
	font-size: 1.2rem;
	margin-bottom: 30px;
	opacity: 0.9;
}

/* 服务保障样式 */
.services {
	background: var(--white);
}

.services-content {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

.service-item {
	text-align: center;
	padding: 40px 30px;
	background: var(--bg-light);
	border-radius: 8px;
	box-shadow: var(--shadow);
	transition: var(--transition);
}

.service-item:hover {
	transform: translateY(-10px);
	background: var(--primary-color);
	color: var(--white);
}

.service-item:hover .service-icon,
.service-item:hover h3,
.service-item:hover p {
	color: var(--white);
}

.service-icon {
	font-size: 3rem;
	color: var(--primary-color);
	margin-bottom: 25px;
}

.service-item h3 {
	font-size: 1.5rem;
	margin-bottom: 15px;
	color: #222;
}

.service-item p {
	color: var(--text-light);
}

/* 小模块样式 */
.features {
	background: var(--bg-light);
}

.features-content {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
}

.feature-item {
	display: flex;
	gap: 20px;
	align-items: flex-start;
}

.feature-icon {
	width: 70px;
	height: 70px;
	background: var(--primary-color);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--white);
	font-size: 1.8rem;
	flex-shrink: 0;
}

.feature-text h3 {
	font-size: 1.4rem;
	margin-bottom: 10px;
	color: #222;
}

.feature-text p {
	color: var(--text-light);
}

/* 关于我们样式 */
.about {
	background: var(--white);
}

.about-content {
	display: flex;
	align-items: center;
	gap: 50px;
}

.about-img {
	flex: 1;
	border-radius: 10px;
	overflow: hidden;
	box-shadow: var(--shadow);
}

.about-img img {
	width: 100%;
	height: auto;
	display: block;
	transition: var(--transition);
}

.about-img:hover img {
	transform: scale(1.05);
}

.about-text {
	flex: 1;
}

.about-text h3 {
	font-size: 2rem;
	margin-bottom: 20px;
	color: #222;
}

.about-text p {
	margin-bottom: 20px;
	color: var(--text-light);
}

/* 发展历程样式 */
.timeline {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
}

.timeline::after {
	content: '';
	position: absolute;
	width: 6px;
	background: var(--primary-color);
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -3px;
	border-radius: 3px;
}

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

.timeline-item:nth-child(odd) {
	left: 0;
}

.timeline-item:nth-child(even) {
	left: 50%;
}

.timeline-content {
	padding: 20px 30px;
	background: var(--white);
	border-radius: 8px;
	box-shadow: var(--shadow);
	position: relative;
}

.timeline-content::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	right: -10px;
	background: var(--white);
	top: 30px;
	border-radius: 50%;
	z-index: 1;
	transform: rotate(45deg);
}

.timeline-item:nth-child(even) .timeline-content::after {
	left: -10px;
}

.timeline-content h3 {
	font-size: 1.5rem;
	margin-bottom: 10px;
	color: var(--primary-color);
}

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

.timeline-date {
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 10px;
	display: block;
}

/* 诚邀合作样式 */
.cooperation {
	background: var(--bg-light);
}

.cooperation-content {
	display: flex;
	gap: 50px;
	align-items: center;
}

.cooperation-text {
	flex: 1;
}

.cooperation-img {
	flex: 1;
	border-radius: 10px;
	overflow: hidden;
	box-shadow: var(--shadow);
}

.cooperation-img img {
	width: 100%;
	height: auto;
	display: block;
	transition: var(--transition);
}

.cooperation-img:hover img {
	transform: scale(1.05);
}

.cooperation-text h3 {
	font-size: 2rem;
	margin-bottom: 20px;
	color: #222;
}

.cooperation-text p {
	margin-bottom: 20px;
	color: var(--text-light);
}

.cooperation-list {
	margin: 30px 0;
}

.cooperation-list li {
	margin-bottom: 15px;
	display: flex;
	align-items: flex-start;
}

.cooperation-list i {
	color: var(--primary-color);
	margin-right: 10px;
	margin-top: 5px;
}

/* 联系我们样式 */
.contact-content {
	display: flex;
	gap: 50px;
}

.contact-info {
	flex: 1;
}

.contact-form {
	flex: 1;
}

.contact-item {
	display: flex;
	margin-bottom: 30px;
}

.contact-icon {
	width: 60px;
	height: 60px;
	background: var(--primary-color);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-right: 20px;
	color: var(--white);
	font-size: 1.5rem;
}

.contact-details h4 {
	font-size: 1.3rem;
	margin-bottom: 5px;
}

.contact-details p {
	color: var(--text-light);
}

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

.form-control {
	width: 100%;
	padding: 12px 15px;
	border: 1px solid #ddd;
	border-radius: 4px;
	font-size: 1rem;
	transition: var(--transition);
}

.form-control:focus {
	border-color: var(--primary-color);
	outline: none;
	box-shadow: 0 0 0 2px rgba(62, 210, 163, 0.2);
}

textarea.form-control {
	height: 150px;
	resize: vertical;
}

/* 页脚样式 */
footer {
	background: #222;
	color: var(--white);
	padding: 5px 0 20px;
	position: fixed;
	bottom: 0px;
	width: 100%;
}

.footer-content {
	display: flex;
	justify-content: space-between;
	margin-bottom: 50px;
}

.footer-col {
	flex: 1;
	margin-right: 30px;
}

.footer-col:last-child {
	margin-right: 0;
}

.footer-col h3 {
	font-size: 1.3rem;
	margin-bottom: 25px;
	position: relative;
	padding-bottom: 10px;
}

.footer-col h3::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 50px;
	height: 2px;
	background: var(--primary-color);
}

.footer-col p {
	color: #bbb;
	margin-bottom: 20px;
}

.footer-links li {
	margin-bottom: 12px;
	list-style: none;
}

.footer-links a {
	color: #bbb;
	text-decoration: none;
	transition: var(--transition);
}

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

.social-links {
	display: flex;
	gap: 15px;
}

.social-links a {
	width: 40px;
	height: 40px;
	background: rgba(255, 255, 255, 0.1);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--white);
	transition: var(--transition);
}

.social-links a:hover {
	background: var(--primary-color);
	transform: translateY(-5px);
}

.copyright {
	text-align: center;
	padding-top: 20px;
	color: #bbb;
	font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {

	.about-content,
	.cooperation-content,
	.contact-content {
		flex-direction: column;
	}

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

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

	.timeline::after {
		left: 31px;
	}

	.timeline-item {
		width: 100%;
		padding-left: 70px;
		padding-right: 25px;
	}

	.timeline-item:nth-child(even) {
		left: 0;
	}

	.timeline-content::after {
		left: -10px;
	}

	.footer-content {
		flex-direction: column;
	}

	.footer-col {
		margin-right: 0;
		margin-bottom: 30px;
	}
}

@media (max-width: 768px) {
	.nav-menu {
		position: fixed;
		top: 80px;
		right: -100%;
		flex-direction: column;
		background: var(--white);
		width: 100%;
		text-align: center;
		transition: var(--transition);
		box-shadow: var(--shadow);
		padding: 20px 0;
	}

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

	.nav-menu li {
		margin: 15px 0;
	}

	.hamburger {
		display: block;
	}

	.hero h1 {
		font-size: 2.5rem;
	}

	.section-title h2 {
		font-size: 2rem;
	}

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

.main-title{
	color: #333;
	font-family: cursive;
}

.kaitongsc{
	display: inline-block;
}

.qianwang {
	display: inline-block;
	border: 2px solid #12B06D;;
	width: 177px;
	padding: 10px;
	border-radius: 4px;
	color: #12B06D;
	cursor: pointer;
}

.qianwang:hover {
	font-weight: 700;
	border: 3px solid #2CB88A;;
}

.lianximom{
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: flex-start;
	position: relative;
}

.basis-64{
	margin-right: 20px;
	margin-bottom: 20px;
	width: 100px;
	padding: 4px;
}

.about-title{
	background-color: #DFFBED;
	margin-top: 100px;
	height: 100px;
	line-height: 100px;
	display: flex;
	align-items: center;
}

.about-title-p{
	color: #333;
	font-family: cursive;
	font-weight: 900;
}

.development-history{
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 15px;
	color: #222;
}

#openSity
{
	margin-left: 50px;
}

.development{
	height: 300px;
	width: 300px;
	position: absolute;
	right: 0px;
	top: 1px;
}

#timeline2{
	background-image: url('../imgs/development.jpg');
	margin: 0 auto;
	background-size: 100% 100%;
	background-position: center; /* 确保图片居中 */
	background-repeat: no-repeat; /* 防止图片重复 */
	width: 100%; /* 确保div有足够的宽度 */
	padding: 95px 0px 0px 0px;
}

.fazhanlicheg{
	    font-size: 2.5rem;
	    font-weight: 700;
	    height: 300px;
	    display: flex;
	    justify-content: center;
	    margin-top: 30px;
}