body{
	background: #f3f3f3;
}

.container{
	list-style: none;
	margin: 0 auto;
	margin-top: 20px;
	display: flex;
	justify-content: space-between;
	position: relative;
	gap: 20px;
}
.left-sidebar{
	width: 220px;
	flex: 0 0 220px;
	flex-shrink: 0;         /* 禁止缩小 */
}
.left-sidebar-con{
	background: #fff;
	height: 500px;
	background: #ffffff;
	box-sizing: border-box;
	padding: 10px 20px;
	border-radius: 4px;
}
.left-sidebar dl{
	margin-bottom: 20px;
}
.left-sidebar dl:last-child{
	margin-bottom: 0;
}
.left-sidebar dt{
	font-size: 16px;
	font-weight: 600;
	line-height: 40px;
}
.left-sidebar dd{
	font-size: 14px;
	line-height: 30px;
}
.left-sidebar dd.on a{
	color: #10B2E3;
}
.right-content{
	flex: 1;
	min-width: 0; /* 🔥 必须加！否则不响应缩放 */
	max-width: 100%;
	min-height: 500px;
	background: #ffffff;
	padding: 10px 20px;
	box-sizing: border-box;
	border-radius: 4px;
}

.right-content h3{
	font-size: 16px;
	font-weight: 600;
	line-height: 40px;
	margin: 0 0;
	display: flex;
	justify-content: flex-start;
	align-items: center;
	gap: 10px;
}
.right-content-con{
	padding: 20px 0;
}
.right-content-con .w300{
	width: 300px;
}
.user-mian-menu{
	position: absolute;
	z-index: 1;
	right: 10px;
	top: 0;
	width: 40px;
	height: 40px;
	display: flex;
	justify-content: center;
	align-items: center;
	display: none;
}

/* 中等屏幕设备（例如平板） */
@media (max-width: 900px) {
	.container{
		padding: 0 10px;
		box-sizing: border-box;
	}
	.left-sidebar{
		position: fixed;
		top: 0;
		left: 0;
		width: 100%;
		height: 100vh;
		box-sizing: border-box;
		z-index: 11;
		background: rgba(0, 0, 0, 0.5);
		padding: 50px 0;
		display: none;
	}
	.left-sidebar-con{
		background: #fff;
		border-radius: 0 0 4px 4px;
		height: auto;
	}
	.left-sidebar.on{
		display: block;
	}
	.right-content{
		margin-left: 0;
		padding: 10px;
	}
	.user-mian-menu{
		display: flex;
	}
	.right-content-con .w300{
		width: 220px;
	}
}