.videoBox{
	width: 100%;
}
video{
	width: 1030px;
	margin:0 auto;
	margin-bottom: 80px;
	margin-top: 80px;
}
.threeErCodeBox{
	margin-bottom: 80px;
	width: 100%;
}
.threeErCodeMain{
	width: 1000px;
	margin:0 auto;
	display: flex;
	flex-direction:row;
}
.threeErCodeItems{
	flex:1;
	display: flex;
	flex-direction:column;
	align-items:center;
}
.threeErCodeItemsTitle{
	font-size: 16px;
	color: #222;
	line-height: 1;
	letter-spacing: 1px;
}
.threeErCodeItemsPic{
	width: 176px;
	height: 176px;
	border: 1px solid #999;
	margin-top: 20px;
	margin-bottom: 20px;
}
.threeErCodeItemsSpan{
	font-size: 14px;
	color: #777;
	line-height: 1;
}
.pdfBox{
	box-shadow: 0px 0px 20px #c7c7c7;
	width: 800px;
	height: 116px;
	margin:0 auto;
	margin-bottom: 70px;
	display: flex;
	align-items:center;
}
.pdf_Pic_box{
	width: 17%;
	padding-left: 6%;
}
.pdfName{
	width: 56%;
	font-size: 17px;
	color: #333;
	letter-spacing: 1px;
}
.pdfBtnBox{
	width: 27%;
}
.pdfBtn{
	margin:0 auto;
	background: #022644;
	padding:10px 16px;
	display: flex;
	align-items:center;
	justify-content:center;
	border-radius: 4px;
	border:none;
	outline: none;
}
.pdfBtn:active{
	background: #01172b;
}
.pdfBtn img{
	width: 16px;
	height: 16px;
	margin-right: 8px;
}
.pdfBtn span{
	font-size: 16px;
	color: white;
}
@media screen and (max-width: 1000px){
   .top,.partSeven,.footer,.smallbanner,.videoBox,.threeErCodeBox{
	    width: 1220px;
	}
	.pdfBox{
		width: 80%;
		margin-left: 20%;
	}
	.navLi:last-child{
		display: none;
	}	
	
}