body{
	font-family:"微软雅黑";
}
.D_banner{
	margin-top: 60px;
	width: 100%;
	height: 120px;
	background: #f6f6f6;
}
.D_ban_left{
	display: none;
}
.D_ban_right{
	height: 120px;
	text-align: right;
}
.D_ban_right img{
	width: 60%;
}
.D_content_title{
	text-align: center;
}
.D_content_container{
	margin: 45px 0px;
}
.D_content_container p{
	text-indent: 28px;
	margin-bottom: 10px;
}
.D_content{
	margin: 40px 0px;
	padding: 10px ;
}
.D_content img{
	width: 100% !important;
	height:auto !important;
}

@media(min-width: 768px){
	.D_content img{
		width: 500px !important;
	}
	.D_banner{
		height: 180px ;
	}
	.D_ban_left{
		margin-top: 60px;
		margin-left: 10px;
	}
	.D_ban_left p{
		margin-bottom: 15px;
		font-size: 20px;
		font-weight: bolder;
	}


	.D_wrap>div{
		width: 49%;
		height: 180px;
	}
	.D_ban_right img{
		width: 340px;
	}
	.D_ban_left{
		display: block;
	}
}
@media(min-width: 992px){
	.D_banner{
		margin-top: 0px;
		height: 240px;
	}
	.D_wrap{
		width: 980px;
		margin: 0 auto;
	}
	.D_wrap>div{
		width: 49%;
		height: 240px;
	}
	.D_ban_right img{
		width: 100%;
	}
	.D_ban_left{
		padding-left: 30px;
		margin-top: 90px;
	}
	.D_content{
		width: 980px;
		margin: 40px auto;
	}

	.o_nav{
		position: fixed;
	    width: 960px;
	    left: 50%;
	    top: 0px;
	    margin-left: -480px;
	}
	.D_banner{
		margin-top: 90px;
	}
	.D_content_title p{
		font-size: 22px;
	}
	.D_content_container p{
		font-size: 16px;
	}
}
@media(min-width: 1200px){
	.D_wrap{
		width: 1196px;
		margin: 0 auto;
	}
	.D_ban_right img{
		width: 468px;
	}
	.D_content{
		width: 960px;
		margin: 40px auto;
	}
		body .o_nav{
		position: fixed;
	    width: 1196px;
	    left: 50%;
	    top: 0px;
	    margin-left: -598px;
	    padding: 0px;
	}
}