html, body {
	margin: 0;
	padding: 0;
	font-family: Arial, sans-serif;
	background-color: #f4f4f4;
	min-height: 100%; /* 允许内容超过视口高度 */
	overflow-y: auto; /* 确保纵向滚动 */
}

.content {
	width: 100%;
	padding: 20px;
	box-sizing: border-box;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
	text-align: center;
	background-color: #ffffff;
	border-radius: 10px;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.container h3 {
	color: #333;
	margin: 20px 0;
	font-size: 1.8rem;
	text-align: center;
}

.button-container {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 15px;
}

.button-container a {
	display: inline-block;
	flex: 1 1 30%;
	max-width: 200px;
	padding: 10px 15px;
	text-decoration: none;
	color: #fff;
	background-color: #007BFF;
	text-align: center;
	border-radius: 5px;
	font-weight: bold;
	transition: all 0.3s ease;
}

.button-container a:hover {
	background-color: #0056b3;
	color: #fff;
}

.bottom-menu {
	position: fixed;
	bottom: 0;
	width: 100%;
	display: flex;
	justify-content: space-around;
	background-color: #333;
	padding: 10px 0;
}

.menu-link {
	text-decoration: none;
	color: #fff;
}

.menu-button {
	text-align: center;
	padding: 10px;
	border-radius: 5px;
	background-color: #444;
	transition: background-color 0.3s;
}

.menu-button:hover {
	background-color: #555;
}