#introduction>div:nth-child(2){
	width: 1280px;
	margin: 0 auto;
}

#introduction>div:nth-child(1){
	max-height: 500px;
	width:1280px;
	margin:0 auto;
}

.title-blue{
		font-size:40px ;	
	}
	.introduction-body  p  span{
	     font-size: 15px!important;
   		 color: #9f9f9f;
        font-family: "Microsoft YaHei", "STHeiti" ,Arial, Helvetica!important;
	   
	}
	.introduction-body  p {
	 text-align: justify;
	}
	.title-wraper{		
		text-align:left;
		margin: 60px 70px 20px 70px;		
		padding-bottom: 10px;
		border-bottom: 1px solid #a2a2a2;
	}
	
.title-wraper .title-grey{		
		line-height:32px;
		font-size:32px ;
		color: #a2a2a2;
		
	}
.title-wraper	.title-blue{
		font-size:32px ;	
		color: #0b4275;
		line-height:48px;
		font-weight: 700;
		margin-right: 10px;
	}
	.introduction-body{
		margin: 0  95px 50px 80px;
		font-size: 14px;
		color: #9f9f9f;
		line-height: 25px;	
	    text-indent: 2em;
	   /*  column-count: 2;
	    -moz-column-count: 2;
	    -webkit-column-count: 2;
	    column-gap: 70px;
	    -webkit-column-gap: 70px;
	    -moz-column-gap: 70px; */
	    text-align: justify;
	}
	.introduction-body div p:nth-child(3),.introduction-body div p:nth-child(5) {
    font-weight: 700;
}
	@media screen and (max-width: 540px) {
		#introduction>div:nth-child(2){	
		width: 100%;
		
		}	
		.title-wraper	.title-blue{
		font-size:20px;	
		color: #0b4275;
		line-height:48px;
		font-weight: 700;
	}	
		#introduction>div:nth-child(1){
			width:100%;
		}
		#footer{
			position:fixed;
			bottom:0;
		}
		.title-wraper{		
		    margin: 10px 15px 10px 15px;
			padding-bottom: 10px;
		}
		.title-grey{		
			font-size:0 ;
			display: none;		
		}
		.introduction-body{
			margin: 0  15px 0 15px;
			font-size: 12px;			
	   		 overflow-y: auto;
    		-webkit-overflow-scrolling: touch;
      	 	line-height: 25px;
  		 	 column-count: 1;
   			 -moz-column-count: 1;
    		-webkit-column-count: 1;
		}
	}