.top-banner{
	width:1280px;
	margin: 0 auto;
	z-index:-2;
	position: relative;
}

.content{
	width:1280px;
	margin: -5px auto;
	z-index:-1;
	position: relative;
	display: flex;
}
.left-block::before{
	content:url(/image/or_header.png);
	position: absolute;
    top: -70px;
}

.left-block{
	width:640px;
	background: #f4a44e;
	float: left;
	height: 500px;
}
.right-block::before{
	content:url(/image/yellow_header.png);
	position: absolute;
    top: -70px;
}
.right-block{
	width:640px;
	background: #f8d44a;
	float: left;
	height: 500px;
}

.chat-box{
	background: url(/image/chat_box.png);
	width: 548px;
	height:317px;
	margin:30px auto;
	padding: 20px;
}

.topic{
	color:#e74c3c;
	font-size:25px;
	font-weight: bold;
}
.news{
	height:210px;
	margin:20px 0;
	padding:0 10px;
	font-size: 18px;
	line-height:30px;
	overflow: hidden;
}

.right-block img{
	margin: 20px 111px;
}
.read_more {
	height: 24px;
	font-size: 12px;
	line-height:24px;
	float: right;
	margin-right: 20px;
}
.read_more::before{
	content:url(/image/read_more.png);
	width:24px;
	height: 24px;
    position: relative;
    top: 7px;
}