@font-face {  font-family: 'use-font';  src: url('../font/NotoSansHans-Light.otf');}
body, html { 	 font-family: 'use-font';}
.wrap{	  position: relative;}
.content-title-bac img{	width: 100%;	background: no-repeat center;	background-size: cover;}
.content-top-prompt {	font-size: 14px;	color: #808080;	margin: 40px 0;} 
.content-title {	text-align: center;	margin: 40px 0;}
 
.assembly-box {	position: absolute;    left: 700px;    top: 124px;}
.assembly-box > ul > li {	margin-top: 10px;}
.assembly-box > ul { 	display: inline-block;    margin-left: 50px;}
.assembly-box > ul > li > div{   margin-bottom: 10px;}
.assembly-box > ul > li > div >*{    vertical-align: middle;}
.assembly-box > ul > li > div >span{      font-weight: 700;}
.assembly-box > ul > li > div  a {    margin-left: 20px;	color:black;	font-size:13px;}
.leftImg{	padding: 20px 35px;    display: inline-block;}
.product-introduce {	margin-bottom: 50px;}
.product-introduce > div {	margin-left: 50px;	display: inline-block;	vertical-align: top;}
.product-introduce > ul>li {	text-align:center;	overflow:hidden;	font-size:0;}
.product-introduce > div > div {	margin-top: 38px;	font-size: 20px;	color: #323333;	width: 272px;}
.product-introduce > div > div > * {	vertical-align: middle;}
.product-introduce > div > div > span {	width: 150px;	margin-left: 10px;	display: inline-block;	font-size:13px;}
.product-performance {	}
.introduce-img {	position: relative;}
.introduce-img > div:first-child {	position: absolute;	left: 0;	top: 25px;}
.introduce-img > div:last-child {	text-align: center;	width: 840px;	border: 4px solid #EF232A;	border-radius: 10px;	margin-left: 359px;}
.detailed-content > div:first-child {	font-size: 24px;	color: #323333;	margin-top: 35px;}
.detailed-content > div:nth-child(2) {	margin-top: 50px;}
.detailed-content > div:nth-child(3) {	width: 414px;	margin: 0 auto;	text-align: left;	font-size: 18px;	color: #323333;	line-height: 1.8;	margin-top: 35px;}
.detailed-content > div:last-child {	margin-top: 36px;	padding-bottom: 36px;}
.product-characteristic {	width: 998px;	padding-bottom: 50px;	margin: 0 auto;	border-bottom: 2px solid #D9D9D9;	padding-top: 30px;}
.product-characteristic > div {	margin-top: 70px;	font-size: 24px;	display: inline-block;	width: 430px;	vertical-align: top;}
.product-characteristic > div:nth-child(2n) {	margin-left: 100px;}
.product-characteristic > div > div {	margin-left: 27px;	display: inline-block;	width: 340px;	font-size:18px;}
.product-characteristic > div > * {	vertical-align: middle;}
.product-step {	text-align: center;	margin-top: 60px;}
.product-step > div:first-child {	font-size: 20px;}
.step-info > div {	width: 24%;	display: inline-block;	font-size: 20px;}
.step-info > div > div {	margin-top: 45px;	text-align: left;	white-space: nowrap;}
.bom-bac-img {	margin-top: 60px;}
.bom-bac-img > div {	display: inline-block;	text-align: center;	font-size: 18px;}
.bom-bac-img > div:last-child {	margin-left: 100px;}
.bom-bac-img > div > div {	margin-top: 21px;}
.downimg{    text-align: center;    overflow: hidden;    font-size: 0;}
.down-btn {	text-align: center;	padding: 50px 0;}
.down-btn > img {	cursor: pointer;}
.proemail{    color: #D40000;    height: 50px;    line-height: 50px;    padding-left: 34%;}
.proemail> img{	width:25px;	height:25px;    vertical-align: middle;}
.proemail> *{    vertical-align: middle;}