* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", system-ui, sans-serif;
}
body {
	background-color: #f5f7fa;
	padding: 12px;
	font-size: 12px;
	line-height: 1.6;
	color: #333;
}
button,.btn {
	padding: 6px 14px;
	border: 1px solid #ccc;
	border-radius: 4px;
	background: #fff;
	cursor: pointer;
	font-size: 12px;
}
button:hover, .btn:hover {
	background: #f5f5f5;
}
.btn-primary {
	background: #409eff;
	color: #fff;
	border-color: #409eff;
}
.btn-primary:hover {
	background: #66b1ff;
}
.btn-danger {
	background: #f56c6c;
	color: #fff;
	border-color: #f56c6c;
}
.btn-danger:hover {
	background: #f78989;
}
.btn-success {
	background: #67c23a;
	color: #fff;
	border-color: #67c23a;
}
.btn-success:hover {
	background: #85ce61;
}