/* 通用样式 */
body {
	font-family: 'Arial', sans-serif;
	background-color: #f9f9f9;
	color: #333;
	margin: 0;
	padding: 0;
}

h1, h2, h4 {
	color: #2c3e50;
}

a {
	text-decoration: none;
	color: #3498db;
}

a:hover {
	text-decoration: underline;
}

/* 页头 */
header {
	background-color: #1abc9c;
	color: white;
	padding: 40px 20px;
	text-align: center;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

header h1 {
	font-size: 2.5rem;
	margin: 0;
}

header p {
	font-size: 1.2rem;
	margin-top: 10px;
}

/* 导航栏 */
nav {
	background-color: #34495e;
	display: flex;
	justify-content: center;
	padding: 10px 0;
}

nav a {
	color: white;
	padding: 14px 20px;
	font-size: 1rem;
	transition: background-color 0.3s ease;
}

nav a:hover {
	background-color: #16a085;
}

/* 主体内容 */
.container {
	max-width: 1200px;
	margin: 40px auto;
	padding: 0 20px;
}

section {
	margin-bottom: 40px;
}

section h2 {
	font-size: 2rem;
	margin-bottom: 20px;
}

section p, section li {
	font-size: 1rem;
	line-height: 1.6;
}

ul {
	padding-left: 20px;
}

/* 功能展示 */
.feature-item {
	background-color: #ffffff;
	border: 1px solid #ddd;
	border-radius: 8px;
	box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
	padding: 30px;
	margin: 15px 0;
	text-align: center;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.feature-icon {
	font-size: 2.5rem;
	color: #1abc9c;
	margin-bottom: 20px;
}

/* 页脚 */
footer {
	background-color: #1abc9c;
	color: white;
	text-align: center;
	padding: 20px 0;
	margin-top: 40px;
}

footer p {
	margin: 0;
	font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
	header h1 {
		font-size: 2rem;
	}

	.feature-item {
		margin: 10px;
	}
}

/* 悬浮按钮样式 */
.chat-btn {
	position: fixed;
	bottom: 20px;
	right: 20px;
	background-color: #1abc9c;
	color: white;
	border: none;
	border-radius: 50%;
	width: 60px;
	height: 60px;
	font-size: 24px;
	cursor: pointer;
	display: flex;
	justify-content: center;
	align-items: center;
}

/* 聊天窗口样式 */
.chat-window {
	position: fixed;
	bottom: 100px;
	right: 20px;
	width: 300px;
	height: 400px;
	background-color: #fff;
	border: 1px solid #ddd;
	border-radius: 8px;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
	display: none;
	flex-direction: column;
}

.chat-header {
	background-color: #1abc9c;
	color: white;
	padding: 10px;
	text-align: center;
	font-weight: bold;
	border-radius: 8px 8px 0 0;
}

.chat-body {
	flex: 1;
	padding: 10px;
	overflow-y: auto;
	font-size: 14px;
}

.chat-footer {
	display: flex;
	padding: 10px;
	border-top: 1px solid #ddd;
}

.chat-footer input {
	width: 80%;
	padding: 5px;
	border: 1px solid #ddd;
	border-radius: 4px;
}

.chat-footer button {
	width: 18%;
	padding: 6px;
	background-color: #1abc9c;
	color: white;
	border: none;
	border-radius: 4px;
	cursor: pointer;
}

.chat-footer button:hover {
	background-color: #16a085;
}

.flat-button {
	display: inline-block;
	padding: 10px 20px;
	background-color: #1abc9c; /* 蓝色背景 */
	color: white; /* 白色文字 */
	text-decoration: none; /* 去掉下划线 */
	border: none; /* 去掉边框 */
	border-radius: 5px; /* 圆角 */
	font-size: 1rem; /* 字体大小 */
	cursor: pointer; /* 鼠标悬停时显示手型 */
	transition: background-color 0.3s ease; /* 平滑过渡效果 */
}

.flat-button:hover {
	background-color: #16a085; /* 鼠标悬停时的背景颜色 */
	text-decoration:none;
}