body {
	background: #fff;
	color: #666666;
	font-size: 16px;
	line-height: 30px;
	Font-family: Helvetica, Arial, "Microsoft YaHei", "微软雅黑", sans-serif;
}

a {
	color: #111;
	text-decoration: none;
}

a:hover {
	color: #0879fb;
	text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	Font-family: Helvetica, Arial, "Microsoft YaHei", "微软雅黑", sans-serif;
	font-weight: 500;

}

h1,
h2,
h3 {
	margin: 20px 0 20px 0;
}

.containerx {
	display: flex;
} 

.column-left {
	width: 400px;
	height: 100%;
	position: fixed;
}

.column-right {
	margin-left: 405px;
	/* padding: 0px 1px 0px 5px; */
	max-height: none;
	overflow-y: auto;
	overflow-x: hidden;
}
@media (max-width: 768px) {
	.containerx {
		display: flex;
		flex-direction: column;
	} 
	
}
@media (max-width: 768px) {
		.column-left {
		flex: 1;
		width: 100%;
		height: 100%;
		padding: 0px 5px 0px 5px;
		position: static; /* 在小屏幕上不固定侧边栏 */
	}
	.column-right {
		margin-left: 0;
		padding: 0px 5px 0px 5px;
		overflow-x: hidden;
		}
}

.bg{
	background-color: #f5f5f5;
}

.footer {
    padding: 20px;
    background: #e7e7e7;
    text-align: center;
  }