.sub-about-wrap {
	padding-top: 100px;
	background: url(../images/about-in-bg.jpg) no-repeat center 56px;
	padding-bottom: 70px;
}

@media screen and (max-width:1920px) {
	.sub-about-wrap {
		padding-top: calc(100 / 1920 * 100vw);
		padding-bottom: calc(70 / 1920 * 100vw);
	}
}

@media screen and (max-width:992px) {
	.sub-about-wrap {
		padding-top: 5rem;
		padding-bottom: 4rem;
	}
}
.sub-about-box{
	margin-top: 70px;
}

@media screen and (max-width: 1920px) {
	.sub-about-box{
		margin-top: calc(70 / 1920 * 100vw);
	}
}
.sub-about-left{
	float: left;
	width: 33%;
	padding-top: 20px;
}
@media screen and (max-width: 1920px) {
	.sub-about-left{
		padding-top: calc(20 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.sub-about-left{
		width: 100%;
	}
}
.sub-about-left .main-tit-txt{
	margin-top: 1px;
}
.sub-about-left .shuju{
	padding: 65px 0;
}
@media screen and (max-width: 1920px) {
	.sub-about-left .shuju{
		padding: calc(65 / 1920 * 100vw) 0;
	}
}
.sub-about-right{
	width: 60%;
	float: right;
	font-size: 18px;
}
@media screen and (max-width: 992px) {
	.sub-about-right{
		width: 100%;
		font-size: 14px;
		margin-top: 4rem;
	}
}
 .sub-about-right p{
 	margin-bottom: 20px;
 }

 
 .sub-about-right img {
	max-width: 100%;
}
 /*企业文化*/
.culture-wrap{
	padding-top: 100px;
}
@media screen and (max-width: 1920px) {
	.culture-wrap{
		padding-top:calc(100 / 1920 * 100vw) ;
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap{
		padding-top:0px;
		margin-top: -3rem;
	}
}
.culture-wrap .row{
	margin: 0;

}
.culture-wrap .row-space-in{
	padding: 0;	
}
.culture-wrap .item1{
	width: 68.125%;
	margin: 0 auto;
	height: 100%;
}
.culture-wrap .item1 .main-tit-wrap{
	margin-top: 126px;
}
@media screen and (max-width: 1920px) {
.culture-wrap .item1 .main-tit-wrap{
		margin-top: calc(126 / 1920 * 100vw);
	}
}
@media screen and (max-width:992px) {
.culture-wrap .item1{
		width: 92%;
	}
}
.culture-wrap .item2{
	background: #f2f2f2;
	display: flex;
	flex-direction: row;
	justify-content: flex-start;
	align-items: center;
}
.culture-wrap .item2 .pic{
	width: 430px;
	height: 430px;
	padding-bottom: 0;
	overflow: hidden;
}
@media screen and (max-width: 1920px) {
.culture-wrap .item2 .pic{
		width: calc(430 / 1920 * 100vw);
		height: calc(430 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
.culture-wrap .item2 .pic{
		width: 50%;
		height: auto;
	}
}
.culture-wrap .item2 .pic img{
	width: 430px;
}

@media screen and (max-width: 1920px) {
.culture-wrap .item2 .pic img{
		width: calc(430 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
.culture-wrap .item2 .pic img{
		width: 100%;
	}
}
.culture-wrap .item2 .info{
	width: 379px;
	margin-left: 60px;
}

@media screen and (max-width: 1920px) {
	.culture-wrap .item2 .info{
		width: calc(379 / 1920 * 100vw);
		margin-left: calc(60 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item2 .info{
		width: 40%;
		margin-left: 5%;
	}
}
.culture-wrap .item2 .info span{
	font-size: 33px;
	font-weight: bold;
	
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item2 .info span{
		font-size: calc(33 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item2 .info span{
		font-size: 3rem;
	}
}
.culture-wrap .item2 .info p{
	font-size: 18px;
	margin-top: 100px;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item2 .info p{
		margin-top: calc(100 / 1920 * 100vw);
		font-size: calc(18 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item2 .info p{
		margin-top: 5rem;
		font-size: 13px;
	}
}
.culture-wrap .item2 .info p,
.culture-wrap .item2 .info span{
}
.culture-wrap .item3{
	height: 426px;
	padding-bottom: 0;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item3{
		height: calc(426 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item3{
		height:auto;
	}
}
.culture-wrap .item4{
	background: var(--active-color);
	color: #fff;
	display: flex;
	flex-direction: row;
	justify-content: flex-start;
	align-items: center;
}
.culture-wrap .item4 .pic{
	height: 426px;
	padding-bottom: 0;
	overflow: hidden;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item4 .pic{
		height: calc(426 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item4 .pic{
		height: auto;
		width: 40%;
	}
}
.culture-wrap .item4 .info{
	width: 433px;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item4 .info{
		width: calc(435 / 1920 * 100vw);
		padding-left: 0;
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item4 .info{
		width: 60%;
		padding-left: 0;
	}
}

.culture-wrap .item4 .info span{
	font-size: 33px;
	font-weight: bold;
	display: block;
	width: 60%;
	margin: 0 auto;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item4 .info span{
		font-size: calc(33 / 1920 * 100vw);
		width: 70%;
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item4 .info span{
		font-size: 3rem;
		width: 90%;
	}
}
.culture-wrap .item4 .info p{
	font-size: 18px;
	margin-top: 40px;
	line-height: 1.8;
	width: 60%;
	margin: 0 auto;
}
@media screen and (max-width: 1920px) {
	.culture-wrap .item4 .info p{
		margin-top: calc(40 / 1920 * 100vw);
		width: 70%;
		font-size:calc(18 / 1920 * 100vw);
	}
}
@media screen and (max-width: 992px) {
	.culture-wrap .item4 .info p{
		margin-top: 1rem;
		width: 90%;
		font-size:13px;
	}
}
/*发展历程*/
.process-wrap{background-color: var(--active-color);}
.process-wrap .row{
	margin: 0;
}
.process-wrap .row-space-in{
	padding: 0;
}
.process-wrap  .item1{
	height: 804px;
	padding-bottom: 0;
	position: relative;
}
 @media screen and (max-width: 1920px) {
	.process-wrap  .item1{
		height: calc(804 / 1920 * 100vw);
	}
}
.process-wrap  .process-box{
	width: 95%;
}
.process-box-top{
	width: 100%;
	height: 700px;
	background: #fff;
	border-bottom-right-radius: 50px;
	position: relative;
}
 @media screen and (max-width: 1920px) {
	.process-box-top{
		height: calc(700 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.process-box-top{
		height: auto;
	}
}
.process-box-top::before{
	position: absolute;
	content: "PROCESS";
	font-size: 169px;
	color: #f8f8f8;
	top: 90px;
	left: -15px;
	font-weight: bold;
	z-index: 22;
}
 @media screen and (max-width: 1920px) {
	.process-box-top::before{
		font-size: calc(169 / 1920 * 100vw);
		top:  calc(90 / 1920 * 100vw);
		left: calc(-15 / 1920 * 100vw);
	}
}
.process-box-top .tit{
		padding-top: 186px;
		font-size: 40px;
		z-index: 333;
		position: relative;
}
 @media screen and (max-width: 1920px) {
	.process-box-top .tit{
		padding-top: calc(186 / 1920 * 100vw);
		font-size:  calc(60 / 1920 * 100vw);
	}
}
.process-box-top .tit2{
		font-size: 24px;
		color: var(--active-color);
		position: relative;
		z-index: 333;
		padding-top: 10px;
}
 @media screen and (max-width: 1920px) {
	.process-box-top .tit2{
		font-size: calc(24 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.process-box-top .tit2{
		font-size: 2.8rem;
	}
}
.process-box-top .mySwiper2,
.process-box-top .tit,
.process-box-top .tit2{
	width: 81%;
	margin: 0 auto;
}
 @media screen and (max-width: 992px) {
	.process-box-top .mySwiper2,
.process-box-top .tit,
.process-box-top .tit2{
		width: 92%;
	}
}
.process-box-top .mySwiper2{
	overflow: hidden;
	margin-top: 100px;
}
 @media screen and (max-width: 1920px) {
	.process-box-top .mySwiper2{
		margin-top: calc(100 / 1920 * 100vw);
	}
}
.process-box-top .mySwiper2 .year{
	font-size: 45px;
	text-align: left;
	color: var(--active-color);
	margin-bottom: 20px;
}
 @media screen and (max-width: 1920px) {
	.process-box-top .mySwiper2 .year{
		font-size: calc(45 / 1920 * 100vw);
		margin-bottom: calc(20 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.process-box-top .mySwiper2 .year{
		font-size: 4rem;
		margin-bottom: 2rem;
	}
}
.process-box-top .mySwiper2 p{
	line-height: 1.8;
	font-size: 18px;
}
 @media screen and (max-width: 992px) {
	.process-box-top .mySwiper2 p{
		font-size: 14px;
	}
}
.process-wrap .mySwiper{
	margin-left: 60px;
	margin-top: 40px;
}

 @media screen and (max-width: 1920px) {
	.process-wrap .mySwiper{
		margin-left: calc(60 / 1920 * 100vw);
		margin-top: calc(40 / 1920 * 100vw);
	}
}

.process-wrap .mySwiper .swiper-slide{
	text-align: center;
}
.process-wrap .mySwiper .item{
	font-size: 26px;
	color: #fff;
	padding-bottom: 20px;
	cursor: pointer;
}
 @media screen and (max-width: 1920px) {
	.process-wrap .mySwiper .item{
		font-size: calc(26 / 1920 * 100vw);
		padding-bottom: calc(20 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.process-wrap .mySwiper .item{
		font-size: 2.6rem;
		padding-bottom:1.5rem;
	}
}

.process-wrap .swiper-slide-thumb-active .item{
	border-bottom: #71bf44 solid 4px;
}
.process-wrap .btn-wrap{
	height: 105px;
	background-color: #71bf44;
	border-top-left-radius: 40px;
	width: 384px;
	position: absolute;
	right: 0;
	bottom: -1px;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	left: -384px;
	color: #fff;
	font-size: 40px;
}
 @media screen and (max-width: 1920px) {
	.process-wrap .btn-wrap{
		height: calc(105 / 1920 * 100vw);
		border-top-left-radius: calc(40 / 1920 * 100vw);
		width:calc(384 / 1920 * 100vw);
		left:calc(-384 / 1920 * 100vw);
		font-size:calc(40 / 1920 * 100vw);
	}
}
.process-wrap .btn-wrap span{
	display: block;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
}
.process-wrap .btn-wrap span:hover{
	color: rgba(0,0,0,0.3);
}
.process-wrap .btn-wrap .line{
	width: 1px;
	height: 30px;
	background: #fff;
	display: block;
}
 @media screen and (max-width: 1920px) {
	.process-wrap .btn-wrap .line{
		height: calc(30 / 1920 * 100vw);
	}
}
.process-wrap .btn-wrap span.process-prev,
.process-wrap .btn-wrap span.process-next{
	text-align: center;
	padding:0 50px;
	cursor: pointer;
}
 @media screen and (max-width: 1920px) {
	.process-wrap .btn-wrap span.process-prev,
	.process-wrap .btn-wrap span.process-next{
		padding:0 calc(50 / 1920 * 100vw);
	}
}
/*资质证书*/
.sub-honor-wrap{
	padding-top: 130px;
}
 @media screen and (max-width: 1920px) {
	.sub-honor-wrap{
		padding-top: calc(130 / 1920 * 100vw);
	}
}
.sub-honor-wrap .honor-box {
	padding-top: 10px;
	position: relative;
}
 .sub-honor-wrap .honor-index-hd-wrap{
  	position: relative;
  }
    .sub-honor-wrap .honor-index-hd{
    	width: 60%;
    }
       .sub-honor-wrap .honor-index-hd ul{
       	position: initial;
       }
.sub-honor-wrap .honor-index-bd{
	margin-top: 50px;
}
 @media screen and (max-width: 1920px) {
	.sub-honor-wrap .honor-index-bd{
		margin-top: calc(50 / 1920 * 100vw);
	}
}
.sub-honor-wrap .honor-box .honor-index-hd ul li a:after{
	display: none;
}
.sub-honor-wrap .honor-box .honor-index-hd ul{
	border: none;
}
 @media screen and (max-width: 640px) {
 	.sub-honor-wrap .honor-index-hd{
		width: 80%;
	}
 }
.sub-honor-wrap .honor-box .honor-index-hd ul li{
	font-size: 40px;
	padding: 0;
	text-align: left;
}
 @media screen and (max-width: 1920px) {
	.sub-honor-wrap .honor-box .honor-index-hd ul li{
		font-size: calc(40 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
 	.sub-honor-wrap .honor-box{
 		padding-top: 0;
 	}
	.sub-honor-wrap .honor-box .honor-index-hd ul li{
		font-size: 3rem;
	}
}
 @media screen and (max-width: 640px) {
 	.sub-honor-wrap .honor-box .honor-index-hd ul li{
		font-size: 12px;
	}
 }
.sub-honor-wrap .honor-box .honor-index-hd ul li a{
	padding: 0;
	margin-right: 40px;
	margin-left: 40px;
}
 @media screen and (max-width: 1920px) {
	.sub-honor-wrap .honor-box .honor-index-hd ul li a{
		margin-right: calc(40 / 1920 * 100vw);
		margin-left: calc(40 / 1920 * 100vw);
	}
}
.sub-honor-wrap .honor-box .honor-index-hd ul li:first-child a{
	margin-left: 0;
}
.sub-honor-wrap .honor-box .honor-index-hd ul li::after{
	height: 45px;
	top: 20%;
}
 @media screen and (max-width: 1920px) {
	.sub-honor-wrap .honor-box .honor-index-hd ul li::after{
		height: calc(45 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.sub-honor-wrap .honor-box .honor-index-hd ul li::after{
		height: 3rem;
		top: 4.5rem;
	}
}
.sub-honor-box .swiper-wrapper{
	width: 100%;
}
 
.sub-honor-wrap  .honor-index-bd ul li .swiper-slide{
	margin: 0;
	margin-top: 0!important;
}
.sub-honor-wrap .swiper-grid-column>.swiper-wrapper{
	flex-direction:row;
}
.sub-honor-wrap .swiper{
	padding-bottom: 50px;
}
/*.sub-honor-wrap  .honor-index-bd {
	height: 619px;
}*/
 /*@media screen and (max-width: 1920px) {
	.sub-honor-wrap  .honor-index-bd {
		height: calc(659 / 1920 * 100vw);
	}
}
 @media screen and (max-width: 992px) {
	.sub-honor-wrap  .honor-index-bd {
		height: 72rem;
	}
}*/
.sub-honor-wrap .swiper-slide{
	height: auto;
	margin-bottom: 10px!important;
}
.sub-honor-wrap .swiper-pagination-bullet{
	width: 13px;
	height: 13px;
	background: #d0d0d0;
	border-radius: 13px;
	transition: all .5s ease;
}
 
  @media screen and (max-width:922px) {
	.sub-honor-wrap .swiper-pagination-bullet{
		width: 8px;
		height: 8px;
			border-radius: 8px;
	}
}
.sub-honor-wrap .swiper-pagination-bullet-active{
	width: 35px;
	background: #71bf44;
	
}
.sub-honor-box .honor-index-bd ul li .honor-item-img{
	padding-bottom: 119%;
}
.swiper-honor-btn{
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: center;
	width: 122px;
}
.btn-prev,
.btn-next{
	width: 55px;
	height: 55px;
	border: #d4d4d4 solid 1px;
	border-radius: 100%;
	text-align: center;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	top: 40%;
	transition: all .5s ease;
}

@media screen and (max-width: 992px) {
	.swiper-honor-btn{
		width: 20rem;
	}
	.btn-prev,
.btn-next{
		width: 8rem;
		height: 8rem
	}
}

.btn-next i,
.btn-next i{
	font-size: 20px;
}
  
.btn-next i{
	transform: rotate(-180deg); /* 旋转45度 */
}
.btn-next:hover,
.btn-prev:hover{
	background: var(--active-color);
	cursor: pointer;
	color: #fff;
	border-color: var(--active-color);
}
 .sub-honor-wrap .swiper-honor-btn{
 	position: absolute;
 	z-index: 666;
 	top: 0px;
 	right: 0;
 }
  .sub-honor-wrap .on .swiper-honor-btn{
  	opacity: 1;
  }
 
  .sub-honor-wrap .honor-index-hd li:first-child .swiper-honor-btn{
  	right: -1400px;
  }
  
@media screen and (max-width: 1920px) {
	 .sub-honor-wrap .honor-index-hd li:first-child .swiper-honor-btn{
		right: calc(-1400 / 1920 * 100vw);
	}
}
  @media screen and (max-width:1600px) {
	 .sub-honor-wrap .honor-index-hd li:first-child .swiper-honor-btn{
		right: calc(-1520 / 1920 * 100vw);
	}
}
  @media screen and (max-width:992px) {
	 .sub-honor-wrap .honor-index-hd li:first-child .swiper-honor-btn{
		right: auto;
		left: 344%;
	}
}
   .sub-honor-wrap .honor-index-hd li:nth-child(2) .swiper-honor-btn{
  	right: -1160px;
  }
  @media screen and (max-width: 1920px) {
	 .sub-honor-wrap .honor-index-hd li:nth-child(2) .swiper-honor-btn{
		right: calc(-1160 / 1920 * 100vw);
	}
}
  @media screen and (max-width:1600px) {
	 .sub-honor-wrap .honor-index-hd li:nth-child(2) .swiper-honor-btn{
		right: calc(-1280 / 1920 * 100vw);
	}
}
 
  @media screen and (max-width:922px) {
	 .sub-honor-wrap .honor-index-hd li:nth-child(2) .swiper-honor-btn{
		right: auto;
		left: 219.5%;
	}
}
 a.more-honor{
 	color: var(--active-color);
 	position: absolute;
 	right: 0;
 	top: 30%;
 }
   @media screen and (max-width:992px) {
	 a.more-honor{
		right:0;
		top: 3rem
	}
}
.honor-btn{
	opacity: 0;
}
.honor-index-bd .btn-prev{
	position: absolute;
	left: -65px;
	z-index: 9888;
	top: 50%;
}
.honor-index-bd .btn-next{
	position: absolute;
	right: -65px;
	z-index: 9888;
	top: 50%;
}
.honor-index-bd ul li:hover .honor-btn{
	opacity: 1;
}
   @media screen and (max-width:992px) {
   	.honor-btn{
   		opacity: 1;
   	}
	.honor-index-bd .btn-prev{
		left:-10px;
		top: 45%;
	}
	.honor-index-bd .btn-next{
		right:-10px;
		top: 45%;
	}
}
/****************************合作伙伴******************************/
.sub-flink-wrap {
	padding-top: 175px;
	padding-bottom: 150px;
}
@media screen and (max-width: 1920px) {
	.sub-flink-wrap {
		padding-top: calc(175 / 1920 * 100vw);
		padding-bottom:calc(150 / 1920 * 100vw);
	}
}
 
@media screen and (max-width:992px) {
	.sub-flink-wrap {
		padding: 4.2rem 0;
	}
}
@media screen and (max-width:640px) {
	.sub-flink-wrap .main-tit-txt{
		font-size: 14px;
	}
}
.sub-flink{
	background: url(../images/ny-al-bg.jpg) no-repeat center top;
	position: relative;
}
.sub-flink-wrap .swiper-honor-btn{
	opacity: 1;
	right: 0;
	position: absolute;
	top: 46px;
}
 @media screen and (max-width: 992px) {
	.sub-flink-wrap .swiper-honor-btn{
		top: 4rem;
	}
	.case-index-list-box{
		margin-top: 0;
	}
}
@media screen and (max-width:640px) {
	.sub-flink-wrap .swiper-honor-btn{
		top: 0rem;
	}
}
.sub-flink-wrap .partner{
	height: 192px;
}
 @media screen and (max-width: 992px) {
	.sub-flink-wrap .partner{
		height: auto;
	}
}
 .sub-flink-wrap .swiper-slide{
 	margin-top: 20px;
 	border: #d7d7d9 solid 1px;
 	border-radius: 10px;
 	transition: all .5s ease;
	-moz-transition: all .5s ease;
	/* Firefox 4*/
	-webkit-transition: all .5s ease;
	/* Safari 和 Chrome*/
	-o-transition: all .5s ease;
	/* Opera*/
	;
	cursor: pointer;
 }
 
@media screen and (max-width: 992px) {
	 .sub-flink-wrap .swiper-slide{
		border-radius: 0;
	}
}

 .sub-flink-wrap .swiper-slide:hover{
 	-moz-box-shadow: 0 0 13px 0 rgba(0, 0, 0, .1);
	-webkit-box-shadow: 0 0 13px 0 rgba(0, 0, 0, .1);
	box-shadow: 0 0 13px 0 rgba(0, 0, 0, .1);
	margin-top: 10px;
 }
/****************************环境展示******************************/
.sub-huanjing-wrap{
	background: #f8f8f8;
	padding: 120px 0 130px 0;
}
@media screen and (max-width: 1920px) {
.sub-huanjing-wrap{
		padding: calc(120 / 1920 * 100vw) 0 calc(130 / 1920 * 100vw) 0;
	}
}
@media screen and (max-width: 922px) {
.sub-huanjing-wrap .main-tit-txt-wrap{
		 flex-direction: column;
		 justify-content: flex-start;
		 align-items: flex-start;
	}
	.sub-huanjing-wrap .main-tit-txt-wrap .main-tit-txt{
		margin-bottom: 3rem;
	}
}
.huanjing-hd ul{
	margin: 0;
	padding: 0;
	width: 100%;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
}
 @media screen and (max-width: 992px) {
	.huanjing-hd ul{
		justify-content: flex-start;
	}
}
.huanjing-hd ul li{
	font-size: 22px;
	margin: 0 0 0 20px;
	padding: 0;
	cursor: pointer;
}
@media screen and (max-width: 922px) {
	.huanjing-hd{
		width: 100%;
	}
	.huanjing-hd ul{
		width: 100%;
	}
		.huanjing-hd ul li{
			width: 33.3333%;
		}
.huanjing-hd ul li{
		font-size: 3rem;
	}
	 
}
@media screen and (max-width: 640px) {
	.huanjing-hd ul li{
			width: 49%;
			margin-left: 0;
		}
}
.huanjing-hd ul li.on{
	color: var(--active-color);
}
.huanjing-bd{
	padding-top: 55px;
}
@media screen and (max-width: 1920px) {
.huanjing-bd{
		padding-top: calc(55 / 1920 * 100vw);
	}
}
.huanjing-bd ul{
	margin: 0;
	padding: 0;
}
.huanjing-list{
	position: relative;
}
.sub-huanjing-wrap .btn-next,
.sub-huanjing-wrap .btn-prev{
	border: none;
	top: 50%;
	position: absolute;
	z-index: 888;
}
.sub-huanjing-wrap .btn-prev{
	left:-100px ;
}
@media screen and (max-width: 1920px) {
.sub-huanjing-wrap .btn-prev{
		left: calc(-100 / 1920 * 100vw);
	}
}
.sub-huanjing-wrap .btn-next{
	right:-100px ;
}
@media screen and (max-width: 1920px) {
.sub-huanjing-wrap .btn-next{
		right: calc(-100 / 1920 * 100vw);
	}
}
.sub-huanjing-wrap .btn-next i,
.sub-huanjing-wrap .btn-prev i{
	font-size: 40px;
}
@media screen and (max-width: 1920px) {
.sub-huanjing-wrap .btn-next i,
.sub-huanjing-wrap .btn-prev i{
		font-size: calc(40 / 1920 * 100vw);
	}
}
@media screen and (max-width:922px) {
.sub-huanjing-wrap .btn-next i,
.sub-huanjing-wrap .btn-prev i{
		font-size: 5rem;
	}
}
.sub-huanjing-wrap  .case-item-img{
	padding-bottom: 66.25%;
}
 .sub-huanjing-wrap .huanjing-bd .row{
 	margin-left: -2.5px;
 	margin-right: -2.5px;
 }
  .sub-huanjing-wrap .huanjing-bd .row .row-space-in{
  	padding-left: 2.5px;
  	padding-right: 2.5px;
  }
   .sub-huanjing-wrap .huanjing-bd .row .row-space-in{
   		margin-bottom: 5px;
   }
   .sub-huanjing-wrap .huanjing-bd .row .row-space-in:nth-child(4) .case-item-img,
   .sub-huanjing-wrap .huanjing-bd .row .row-space-in:nth-child(5) .case-item-img{
	padding-bottom: 65.5%;
}
@media (max-width:768px) {
	.about-wrap .about-content {
		font-size: 14px;
	}
}