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

:root {
	--primary-green: #00a86b;
	--light-green: #e0f7ef;
	--dark-green: #00885a;
	--accent-green: #4caf50;
	--text-dark: #333333;
	--text-gray-dark: #444;
	--mobile-nav-gray: #333;
	--text-light: #666666;
	--white: #ffffff;
	--gray-bg: #f9f9f9;
}

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

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

/* 头部样式 */
header {
	background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
	color: var(--white);
	padding: 15px 0;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
}

.logo {
	display: flex;
	align-items: center;
	gap: 12px;
	flex: 1;
	min-width: 250px;
}

.logo-icon {
	/* height: 2.2rem; */
	/* height: 60px; */
	height: 3.5rem;
}

.logo-text h1 {
	font-size: 1.5rem;
	margin-bottom: 5px;
	line-height: 1.3;
}

.logo-text p {
	font-size: 0.85rem;
	opacity: 0.9;
}

.contact-info {
	text-align: right;
	font-size: 0.85rem;
	flex: 1;
	min-width: 250px;
}

/* 导航样式 */
nav {
	background-color: var(--dark-green);
	padding: 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-container {
	position: relative;
}

.nav-links {
	display: flex;
	list-style: none;
	justify-content: center;
	flex-wrap: wrap;
}

.nav-links li {
	margin: 0;
	flex: 1;
	text-align: center;
	min-width: 120px;
}

.nav-links a {
	color: var(--white);
	text-decoration: none;
	font-weight: 500;
	padding: 12px 5px;
	display: block;
	transition: background-color 0.3s;
	font-size: 0.95rem;
	white-space: nowrap;
}

.nav-links a:hover {
	background-color: rgba(255, 255, 255, 0.2);
}

/* 移动端导航菜单按钮 */
.mobile-menu-btn {
	display: none;
	background: none;
	border: none;
	color: var(--mobile-nav-gray);
	font-size: 1.5rem;
	cursor: pointer;
	padding: 10px;
	background-color: rgba(255, 255, 255, 0.9);
	border-radius: 4px;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
}

/* 主要区域样式 */
.hero {
	background: url('https://images.unsplash.com/photo-1545235617-9465d2a55698?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1600&q=80');
	background-size: cover;
	background-position: center;
	background-attachment: scroll;
	padding: 60px 0;
	text-align: center;
	position: relative;
}

/* 提高蒙板透明度为 0.7 */
.hero::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(255, 255, 255, 0.7);
	z-index: 1;
}

.hero .container {
	position: relative;
	z-index: 2;
}

.hero h2 {
	font-size: 2.2rem;
	margin-bottom: 20px;
	color: var(--dark-green);
}

.hero p {
	font-size: 1.1rem;
	max-width: 800px;
	margin: 0 auto 30px;
	color: var(--text-gray-dark);
	line-height: 1.8;
	font-weight: 500;
}

/* 按钮样式修改 */
.cta-button {
	display: inline-block;
	background-color: var(--primary-green);
	color: var(--white);
	padding: 14px 28px;
	border-radius: 50px;
	text-decoration: none;
	font-weight: 600;
	font-size: 1.05rem;
	transition: all 0.2s;
	box-shadow: 0 4px 8px rgba(0, 168, 107, 0.3);
	border: 2px solid var(--primary-green);
	cursor: pointer;
	user-select: none;
}

.cta-button:active {
	transform: translateY(2px);
	box-shadow: 0 2px 4px rgba(0, 168, 107, 0.3);
	background-color: var(--dark-green);
	border-color: var(--dark-green);
}

/* 移除悬浮效果，只保留点击效果 */
.cta-button:hover {
	background-color: var(--primary-green);
	transform: none;
	box-shadow: 0 4px 8px rgba(0, 168, 107, 0.3);
}

/* 内容区域样式 */
section {
	padding: 50px 0;
}

.section-title {
	text-align: center;
	margin-bottom: 40px;
}

.section-title h2 {
	font-size: 2rem;
	color: var(--dark-green);
	position: relative;
	display: inline-block;
	padding-bottom: 15px;
}

.section-title h2::after {
	content: '';
	position: absolute;
	width: 80px;
	height: 4px;
	background-color: var(--accent-green);
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
}

/* 卡片样式 */
.card {
	background-color: var(--white);
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
	transition: transform 0.3s, box-shadow 0.3s;
	height: 100%;
	margin-bottom: 20px;
}

.card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 30px rgba(0, 136, 90, 0.1);
}

.card-header {
	background-color: var(--primary-green);
	color: var(--white);
	padding: 20px;
	text-align: center;
}

.card-header i {
	font-size: 2.2rem;
	margin-bottom: 15px;
}

.card-body {
	padding: 25px;
}

/* 网格布局 */
.grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 25px;
}

/* 关于我们 */
.about-content {
	display: flex;
	align-items: center;
	gap: 40px;
	flex-wrap: wrap;
}

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

.about-video {
	flex: 1;
	min-width: 300px;
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
	position: relative;
	padding-top: 56.25%;
	/* 16:9 宽高比 */
	height: 0;
}

.about-video video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}


/*  -----------------------------------------------------------------  */

/* 视频封面图 */
.video-poster {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	background-color: #f0f0f0;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background-image: url('../assets/video-poster.png');
	background-size: cover;
	background-position: center;
	/* background-color: transparent; */
}

.video-poster::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.3);
}

.video-poster.hidden {
	display: none;
}

.play-button {
	position: relative;
	z-index: 3;
	background-color: var(--primary-green);
	color: white;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.6rem;
	cursor: pointer;
	transition: all 0.3s;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.play-button>i {
	margin-left: 2px;
}

.play-button:hover {
	transform: scale(1.05);
	background-color: var(--dark-green);
}

.play-text {
	position: relative;
	z-index: 3;
	color: white;
	margin-top: 15px;
	font-weight: 500;
	text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/*  -----------------------------------------------------------------  */


/* 视频控制按钮 */
.video-controls {
	position: absolute;
	bottom: 15px;
	right: 15px;
	z-index: 10;
	background-color: rgba(0, 0, 0, 0.7);
	border-radius: 50%;
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background-color 0.3s;
}

.video-controls:hover {
	background-color: rgba(0, 0, 0, 0.9);
}

.video-controls i {
	color: var(--white);
	font-size: 1.2rem;
}

/* 产品品牌 */
.brands {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 20px;
	margin-top: 30px;
}

.brand-item {
	background-color: var(--white);
	padding: 12px 20px;
	border-radius: 8px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
	font-weight: 600;
	color: var(--text-light);
	display: flex;
	align-items: center;
	gap: 10px;
	flex: 1;
	min-width: 150px;
	justify-content: center;
}

.brand-item i {
	color: var(--primary-green);
}

/* 服务保障 */
.service-list {
	list-style: none;
}

.service-list li {
	padding: 12px 0;
	border-bottom: 1px solid var(--light-green);
	display: flex;
	align-items: center;
}

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

.service-list i {
	color: var(--primary-green);
	margin-right: 15px;
	font-size: 1.2rem;
	flex-shrink: 0;
}

/* 页脚样式 */
footer {
	background-color: var(--dark-green);
	color: var(--white);
	padding: 50px 0 25px;
}

.footer-content {
	/* display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 35px; */
	display: flex;
	justify-content: space-around;
	margin-bottom: 40px;
}

.footer-column h3 {
	font-size: 1.3rem;
	margin-bottom: 20px;
	position: relative;
	padding-bottom: 10px;
}

.footer-column h3::after {
	content: '';
	position: absolute;
	width: 50px;
	height: 3px;
	background-color: var(--accent-green);
	bottom: 0;
	left: 0;
}

.footer-links {
	list-style: none;
}

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

.footer-links a {
	color: rgba(255, 255, 255, 0.8);
	text-decoration: none;
	transition: color 0.3s;
}

.footer-links a:hover {
	color: var(--white);
}

.copyright {
	text-align: center;
	padding-top: 25px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 0.9rem;
	opacity: 0.8;
}

/* 联系信息样式 */
.contact-details {
	margin-top: 20px;
}

.contact-details p {
	margin-bottom: 12px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.contact-info-item {
	color: var(--white);
	text-decoration: none;
	transition: color 0.3s;
	cursor: pointer;
	position: relative;
}

.contact-info-item:hover {
	color: var(--light-green);
}

.phone-link {
	font-weight: 600;
	font-size: 1.1rem;
}

/* 复制成功提示 */
.copy-notification {
	position: fixed;
	top: 100px;
	right: 20px;
	background-color: var(--primary-green);
	color: var(--white);
	padding: 12px 20px;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
	z-index: 9999;
	opacity: 0;
	transform: translateY(-20px);
	transition: opacity 0.3s, transform 0.3s;
	font-weight: 500;
	max-width: 300px;
	display: none;
}

.copy-notification.show {
	opacity: 1;
	transform: translateY(0);
	display: inline-block;
}

/* 返回顶部按钮 */
.back-to-top {
	position: fixed;
	bottom: 30px;
	right: 30px;
	background-color: var(--primary-green);
	color: var(--white);
	width: 50px;
	height: 50px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.2rem;
	cursor: pointer;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
	transition: all 0.3s;
	z-index: 999;
	opacity: 0;
	visibility: hidden;
}

.back-to-top.active {
	opacity: 1;
	visibility: visible;
}

.back-to-top:active {
	transform: translateY(2px);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}