body::-webkit-scrollbar {
  /*display: none;*/
}
body.on {
  overflow: hidden;
}
.maodian {
  position: relative;
  top: -.8rem;
}
.w1520 {
  padding-left: 10.4vw;
  padding-right: 10.4vw;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 100%;
}
.DevelopmentHistory .swiper_box {
  margin-left: 10.4vw;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.DevelopmentHistory .swiper_box .banner {
  margin-top: 0.7rem;
  margin-bottom: 0.55rem;
  height: 4rem;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide {
  padding-left: 0.5rem;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding-bottom: 2rem;
  cursor: pointer;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide .item {
  padding-left: 0.22rem;
  position: relative;
  top: 0;
  transition: .33s;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide .item .top {
  font-size: 26px;
  position: relative;
  -webkit-transition: 0.4s;
  -o-transition: 0.4s;
  transition: 0.4s;
  font-weight: bold;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot {
  font-size: 15px;
  color: #666;
  margin-top: 4%;
  line-height: 22px;
  -webkit-transition: 0.4s;
  -o-transition: 0.4s;
  transition: 0.4s;
  max-height: 1rem;
  	overflow: auto;
	overflow-x: hidden;
	overflow-y: auto;
	padding-right: 10px;
}

.DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot::-webkit-scrollbar {
	/*滚动条整体样式*/
	width: 1px;
	/*高宽分别对应横竖滚动条的尺寸*/
	height: 2px;
}

.DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot::-webkit-scrollbar-thumb {
	/*滚动条里面小方块*/
	border-radius: 2px;
	/* -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2); */
	background: rgba(7, 49, 144, 1);
}

.DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot::-webkit-scrollbar-track {
	/*滚动条里面轨道*/
	/* -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2); */
	border-radius: 2px;
	background: rgba(0, 0, 0, 0.1);
}


.DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot p {
  margin-bottom: 0.2rem;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide .item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 0.09rem;
  width: 4px;
  height: 4px;
  border: 2px solid #000EAF;
  -webkit-transition: 0.4s;
  -o-transition: 0.4s;
  transition: 0.4s;
}
.DevelopmentHistory .swiper_box .banner .swiper-slide .item::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3rem;
  height: 100%;
  width: 1px;
  background: #ddd;
}




.DevelopmentHistory .swiper_box .banner .active .item .top {
  /*! font-size: 0.36rem; */
  color: #000EAF;
}
.DevelopmentHistory .swiper_box .banner .active .item .bot {
  /*! font-size: 0.16rem; */
  color: #000;
}
.DevelopmentHistory .swiper_box .banner .active .item::before {
  top: 0.15rem;
  background: #000EAF;
}
.DevelopmentHistory .swiper_box .banner .active .item::after {
  top: 0.4rem;
}



.DevelopmentHistory .box {
  margin-top: 1rem;
}
.DevelopmentHistory .box .banner1 {
  width: 94%;
  margin:auto
}
.DevelopmentHistory .box .banner1 .swiper-slide {
  cursor: pointer;
}
.DevelopmentHistory .box .banner1 .swiper-slide p {
  font-size: 20px;
  color: #999;
  text-align: center;
  cursor: pointer;
  color: #666;
}
.DevelopmentHistory .box .banner1 .active p {
  color:#15C7BD;
}
.DevelopmentHistory .box .button i {
	width:10px;
	height:20px;
  -webkit-transition: 0.4s;
  -o-transition: 0.4s;
  transition: 0.4s;
  cursor: pointer;
  display:inline-block;
}
.DevelopmentHistory .box .button .layui-icon-left{
  background:url(../images/gy-11.png) no-repeat center;}

.DevelopmentHistory .box .button .layui-icon-left:hover {
   background:url(../images/gy-14.png) no-repeat center
}
.DevelopmentHistory .box .button .layui-icon-right{
  background:url(../images/gy-13.png) no-repeat center}

.DevelopmentHistory .box .button .layui-icon-right:hover {
   background:url(../images/gy-12.png) no-repeat center
}
.DevelopmentHistory .img_box {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
  margin-top: -2rem;
}
.DevelopmentHistory .img_box .img_list {
  position: relative;
  left: 0;
  -webkit-transition: 0.6s ease;
  -o-transition: 0.6s ease;
  transition: 0.6s ease;
}
.DevelopmentHistory .img_box .img_list > img {
  height: 1.85rem;
  position: relative;
  left: 0;
}
.DevelopmentHistory .img_box .img_list .bgimg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  background:url(../images/tu2.png) no-repeat;
  background-position: -800px 50%;
  -webkit-transition: 0.6s ease-in;
  -o-transition: 0.6s ease-in;
  transition: 0.6s ease-in;
  background-size: auto 100%;
  -webkit-mask-image: url(../images/tu3.png);
  -webkit-mask-size: auto 100%;
}
.lpk_phone{ display:none}
.DevelopmentHistory .box .button{ display:inline-block}
.DevelopmentHistory .box .prev{ position:absolute; left:0; top:3px}
.DevelopmentHistory .box .next{ position:absolute; right:0; top:3px}
.DevelopmentHistory .box{ position:relative}


@media screen and (max-width: 1280px) {
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot {
      line-height: initial;
  }
}
@media screen and (max-width: 1024px) {
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item {
    top: 0 !important;
  }
  .DevelopmentHistory .swiper_box .banner {
    height:1rem;
  }
  .DevelopmentHistory .swiper_box .banner .swiper-slide {
    padding-bottom: 0;
    padding-left: 0.3rem;
  }
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot {
    font-size: 14px;
    line-height: 0.22rem;
  }
  .DevelopmentHistory .swiper_box {
    margin-left: 5vw;
  }
  .DevelopmentHistory .box {
    margin-top: 0.7rem;
  }
  .DevelopmentHistory .box .button i {
    position: relative;
    top: -2px;
  }
  .lpk_phone{ display:block}
  .lpk_pc{ display:none}
  .lpk_phone .w1520{ padding-left:0; padding-right:0}
  .DevelopmentHistory .box .banner1 .swiper-slide p{ font-size:16px}
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item .top{ font-size:20px}
}
@media screen and (max-width:640px) {
.w1520 {
  padding-left: 4.4vw;
  padding-right: 4.4vw;}
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item .top{ font-size:16px}
  .DevelopmentHistory .swiper_box .banner .swiper-slide .item .bot{ font-size:12px}
  .DevelopmentHistory .box .banner1 .swiper-slide p{ font-size:15px}
}