.footer {
  height: 144px;
  box-sizing: border-box;
}
li {
  padding: 0;
  margin: 0;
}
.left {
  float: left;
}
.right {
  float: right;
}
a:link {
  color: #333;
  text-decoration: none;
}
a:visited {
  color: #333;
  text-decoration: none;
  cursor: pointer;
}
a:hover {
  color: #1c80c7;
  text-decoration: none;
}
.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: ' ';
  clear: both;
  height: 0;
}
.clearfix {
  *zoom: 1;
}

.topbanner {
  width: 100%;
}
.topbanner .img {
  width: 100%;
}
.business-environment__page {
  padding-bottom: 73px;
}
.business-environment__page .work-dynamics__list .item {
  height: 51px;
  line-height: 51px;
  border-bottom: 1px dashed #eee;
  transition: all ease 0.36s;
}

.business-environment__page .work-dynamics__list .item .dynamics-title {
  margin-left: 3px;
  padding-left: 23px;
  position: relative;
  float: left;
  font-weight: normal;
  height: 51px;
  line-height: 51px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  color: #000;
  background: url('li-dot.png') no-repeat left center;
  box-sizing: border-box;
  cursor: pointer;
}
.business-environment__page .work-dynamics__list .item .dynamics-time {
  float: right;
  font-size: 16px;
  color: #4f4f4f;
  cursor: pointer;
}
.business-environment__page .work-dynamics__list .item:hover {
  transform: translateY(-3px);
  transition: all ease 0.36s;
}
.business-environment__page .work-dynamics__list .item:hover .dynamics-title {
  color: #1c80c7;
}
.business-environment__page .floor-1__main {
  margin-top: 66px;
  height: 364px;
}
.business-environment__page .floor-1__main .floor-1__left {
  width: 650px;
  height: 364px;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box {
  position: relative;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd {
  position: relative;
  overflow: hidden;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item {
  padding: 0;
  position: relative;
  height: 364px;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item .imgbox {
  width: 100%;
  height: 364px;
  cursor: pointer;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item .txtbox {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  line-height: 60px;
  background: url('txt-bg.png') no-repeat center center;
  cursor: pointer;
  z-index: 2;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item .txtbox .tit {
  width: 450px;
  font-size: 16px;
  line-height: 60px;
  text-indent: 44px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  color: #fff;
  cursor: pointer;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item:hover .img {
  filter: brightness(110%);
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item:hover .txtbox .tit {
  color: #1c80c7;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd ul {
  margin-right: 27px;
  position: relative;
  height: 60px;
  text-align: right;
  z-index: 3;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd ul li {
  margin-top: 30px;
  margin-left: 6px;
  display: inline-block;
  width: 8px;
  height: 8px;
  font-size: 0;
  background-color: #fff;
  border-radius: 100%;
  cursor: pointer;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd ul li:first-child {
  margin-left: 0;
}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd ul li.on {
  width: 26px;
  border-radius: 4px;
  background-color: #e3cb4f;
}
.business-environment__page .floor-1__main .floor-1__right {
  width: 510px;
  height: 364px;
}
.business-environment__page .floor-1__main .floor-1__right .work-dynamics__title {
  margin-bottom: 4px;
  height: 47px;
  line-height: 47px;
  background: url('envir-tit1.png') no-repeat center center;
}
.business-environment__page .floor-1__main .floor-1__right .work-dynamics__title .dynamics__title a {
  font-size: 20px;
  line-height: 47px;
  text-indent: 25px;
  color: #fff;    display: block;
}
.business-environment__page .floor-1__main .floor-1__right .work-dynamics__list .item .dynamics-title {
  width: 390px;
}
.business-environment__page .floor-2__main {
  margin-top: 45px;
}
.business-environment__page .floor-2__main .floor-2 {
  height: 385px;
  background-color: #f6f9ff;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs {
  padding-top: 40px;
  text-align: center;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs .tabs-item {
  display: inline-block;
  margin-left: 20px;
  width: 194px;
  height: 58px;
  line-height: 58px;
  border: 1px solid #dcdcdc;
  border-radius: 8px;
  cursor: pointer;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs .tabs-item .tabs-title a {
  font-weight: bold;
  font-size: 20px;
  color: #747474;
  cursor: pointer;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs .tabs-item:first-child {
  margin-left: 0;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs .tabs-item.on {
  border: 1px solid #1c80c7;
  background: #1c80c7;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs .tabs-item.on .tabs-title a {
  color: #fff;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content {
  margin-top: 43px;
  position: relative;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .tabs-content {
  display: none;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .tabs-content:first-child {
  display: block;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .policy-box {
  text-align: center;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .bd {
  width: 1078px;
  margin: 0 auto;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item {
  float: left;
  width: 338px;
  height: 205px;
  margin-right: 29px;
  border: 1px solid #e5e5e5;
  cursor: pointer;
  transition: all ease 0.36s;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item .txt-box {
  padding: 30px 12px 20px;
  display: block;
  height: 205px;
  box-sizing: border-box;
  cursor: pointer;
}

.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item .txt-box .title {
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  padding-left: 0;
  font-weight: normal;
  font-size: 16px;
  line-height: 22px;
  text-align: left;
  color: #000;
  cursor: pointer;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item .txt-box .txt-content {
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  margin-top: 30px;
  font-weight: normal;
  font-size: 14px;
  line-height: 22px;
  text-align: left;
  color: #747474;
  cursor: pointer;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item .txt-box .time {
  margin-top: 10px;
  margin-right: 10px;
  font-size: 14px;
  line-height: 16px;
  text-align: right;
  color: #747474;
  cursor: pointer;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item:hover {
  border: 1px solid #1c80c7;
  transition: all ease 0.36s;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .news-list .news-item:hover .txt-box .time {
  color: #1c80c7;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .btn .prev,
.business-environment__page .floor-2__main .floor-2 .policy-document__content .btn .next {
  position: absolute;
  left: 10px;
  top: 50%;
  display: block;
  width: 41px;
  height: 41px;
  text-align: center;
  line-height: 41px;
  font-size: 30px;
  color: #fff;
  font-family: simsun;
  font-weight: bold;
  background: url("left-arrow.png") no-repeat center center;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#80000000, endColorstr=#80000000);
  margin-top: -20.5px;
  cursor: pointer;
  transition: all ease 0.36s;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .btn .prev:hover {
  transform: translateX(-3px);
  transition: all ease 0.36s;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .btn .next {
  left: auto;
  right: 10px;
  background: url("right-arrow.png") no-repeat center center;
}
.business-environment__page .floor-2__main .floor-2 .policy-document__content .btn .next:hover {
  transform: translateX(3px);
  transition: all ease 0.36s;
}
.business-environment__page .floor-3__main {
  margin-top: 45px;
  height: 300px;
}
.business-environment__page .floor-3__main .classic-case__top {
  margin-bottom: 25px;
  width: 1151px;
  height: 65px;
  background: url('envir-tit2.png') no-repeat center center;
}
.business-environment__page .floor-3__main .classic-case__top .title a{
  font-weight: bold;
  font-size: 20px;
  line-height: 60px;    display: block;
  text-align: center;
  color: #fff;
}
.business-environment__page .floor-3__main .classic-case__bottom .work-dynamics__list .item .dynamics-title {
  width: 390px;
}
.business-environment__page .floor-3__main .classic-case__bottom .classic-case__item {
  width: 588px;
}
@media only screen and (max-width: 768px) {

.topbanner .img{object-fit: cover;height: 40vw;}
.business-environment__page .floor-1__main,.business-environment__page .floor-3__main{margin-top: 20px;height: 720px;}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .bd .list .item .txtbox .tit,.business-environment__page .floor-1__main .floor-1__left,.business-environment__page .floor-1__main .floor-1__right,.business-environment__page .work-dynamics__list .item,.business-environment__page .floor-3__main .classic-case__bottom .classic-case__item
{width: 100vw;}
.business-environment__page .floor-1__main .floor-1__right,.left,.right{float: none;}
.business-environment__page .floor-1__main .floor-1__right .work-dynamics__list .item .dynamics-title,.business-environment__page .floor-3__main .classic-case__bottom .work-dynamics__list .item .dynamics-title{width:70vw;}
.business-environment__page .floor-1__main .floor-1__right .work-dynamics__title{background-size: 150%;background-position: left center;}
.business-environment__page .work-dynamics__list .item .dynamics-time{    padding-right: 10px;}
.business-environment__page .floor-2__main .floor-2 .policy-document__tabs{padding-top: 20px;display: flex;}
.business-environment__page .floor-3__main .classic-case__top{background-size: 180%;width: 100vw;}
.business-environment__page .floor-3__main{height: 500px;}
.business-environment__page .floor-1__main .floor-1__left .work-dynamics__box .hd ul{margin-right: 0px;}
}