@charset "utf-8";
@font-face {
  font-family: siyuan;
  src: url('../font/siyuan.ttf');
}
@font-face {
  font-family: din;
  src: url('../font/din-med.ttf');
}
.index_title {
  padding: 98px 0 67px;
}
.index_title .en {
  font-family: siyuan;
  font-size: 62px;
  text-align: center;
}
.index_title .cn {
  background: url(../images/title_bg.png) no-repeat center;
  text-align: center;
  font-size: 24px;
  color: #222222;
  margin-top: 2px;
  letter-spacing: 5px;
}
.index_title2 .cn {
  background: url(../images/title_bg2.png) no-repeat center;
}
.index_title3 .cn {
  background: url(../images/title_bg3.png) no-repeat center;
}
.index_title4 .cn {
  background: url(../images/title_bg4.png) no-repeat center;
}
.index_more {
  font-size: 0;
  text-align: center;
  line-height: 0;
}
.index_more a {
  display: inline-block;
  width: 196px;
  height: 50px;
  border: 1px solid #222;
  text-align: center;
  font-size: 16px;
  color: #222;
  line-height: 50px;
}
.index_banner .swiper-button-next::after,
.videobg .swiper-button-next::after,
.service_piece2 .swiper-button-next::after,
.index_banner .swiper-button-prev:after,
.videobg .swiper-button-prev:after,
.service_piece2 .swiper-button-prev:after {
  content: '';
}
.videobg {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  z-index: -1;
}
.videobg .content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 1000px;
  height: auto;
  border: 10px solid #222222;
  font-size: 0;
  width: 100%;
}
.videobg .content video {
  width: auto;
  width: 980px;
  max-height: 560px;
  outline: none;
  background: #000;
}
.videobg .close {
  position: absolute;
  top: -10px;
  right: -60px;
  cursor: pointer;
  z-index: 100000;
}
.videobg .content2 {
  width: 1400px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.videobg .content2 .listimg .swiper-container {
  width: 100%;
  height: 300px;
  margin-left: auto;
  margin-right: auto;
}
.videobg .content2 .listimg .gallery-top {
  height: 80%;
  width: 100%;
  padding-bottom: 84px;
  margin-bottom: 55px;
}
.videobg .content2 .listimg .gallery-top .swiper-slide div {
  width: 860px;
  height: 502px;
  margin: 0 auto;
  overflow: hidden;
}
.videobg .content2 .listimg .swiper-button-next {
  background: url(../images/right_img.png) no-repeat center;
  right: 58px;
}
.videobg .content2 .listimg .swiper-button-prev {
  background: url(../images/left_img.png) no-repeat center;
  left: 58px;
}
.videobg .content2 .listimg .swiper-pagination {
  font-size: 24px;
  color: #fff;
  bottom: 0;
}
.videobg .content2 .listimg .swiper-pagination span {
  color: #fff;
}
.videobg .content2 .listimg .gallery-thumbs {
  height: 95px;
}
.videobg .content2 .listimg .gallery-thumbs .swiper-slide {
  filter: grayscale(100%);
  filter: gray;
  transition: filter 0.3s;
  overflow: hidden;
}
.videobg .content2 .listimg .gallery-thumbs .swiper-slide-thumb-active {
  filter: initial;
  transition: filter 0.3s;
  border: 2px solid #c6a254;
}
.swiper-button-next,.swiper-button-prev{
  outline: none;
}
.top {
  position: absolute;
  top: 36px;
  width: 100%;
  left: 0;
  z-index: 2;
}
.top .w1400 .left {
  font-size: 0;
  height: 36px;
}
.top .w1400 .left a {
  display: block;
  font-size: 0;
  height: 36px;
}
.top .w1400 .left a img {
  max-height: 100%;
  width: auto;
}
.top .w1400 .right ul {
  padding-right: 47px;
  position: relative;
}
.top .w1400 .right ul li {
  float: left;
  margin-left: 44px;
  position: relative;
}
.top .w1400 .right ul li a {
  font-size: 16px;
  color: #fff;
  line-height: 34px;
  border-bottom: 0px solid #fff;
}
.top .w1400 .right ul li em {
  display: block;
  height: 1px;
  width: 0;
  position: absolute;
  right: 0;
  bottom: 0;
  background: #fff;
  transition: all 0.3s;
}
.top .w1400 .right ul li:hover em {
  width: 100%;
  transition: all 0.3s;
}
.top .w1400 .right ul li:hover .child {
  height: auto;
  transition: all 0.3s;
}
.top .w1400 .right ul span {
  width: 1px;
  height: 18px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
  background: #7e7e7e;
}
.top .w1400 .right ul .child {
  overflow: hidden;
  transition: all 0.3s;
  height: 0;
  position: absolute;
  width: 120px;
  margin-left: -42px;
  padding-top: 15px;
}
.top .w1400 .right ul .child div {
  background: #fff;
  padding: 10px 0;
}
.top .w1400 .right ul .child a {
  color: #222222;
  display: block;
  text-align: center;
  font-size: 16px;
  line-height: 28px;
}
.top .w1400 .right .top_demand {
  width: 108px;
  height: 34px;
  display: block;
  line-height: 34px;
  background: #222222;
  text-align: center;
  border-radius: 17px;
  color: #fff;
  font-size: 15px;
  margin-left: 44px;
  margin-top: 1px;
}
.index_banner {
  width: 100%;
  height: 100vh;
}
.index_banner .swiper-container {
  width: 100%;
  height: 100%;
}
.index_banner .swiper-container .w1400 {
  position: absolute;
  bottom: 0;
  height: 68px;
  z-index: 2;
  left: 50%;
  transform: translateX(-50%);
}
.index_banner .swiper-container .w1400 .pagination {
  position: absolute;
  left: 0;
  z-index: 2;
  padding-top: 12px;
}
.index_banner .swiper-container .w1400 .pagination div {
  float: left;
  font-weight: 100;
  min-width: 22.25px;
  color: #fff;
  font-size: 20px;
  margin-right: 20px;
}
.index_banner .swiper-container .w1400 .pagination .center {
  width: 51px;
  height: 1px;
  padding-top: 12px;
  border-bottom: 1px solid #fff;
}
.index_banner .swiper-container .w1400 .position {
  right: 0;
  bottom: 0;
  background: #fff;
  width: 210px;
  height: 68px;
  z-index: 2;
  font-size: 0;
  line-height: 0;
}
.index_banner .swiper-container .w1400 .position span {
  width: 2px;
  height: 20px;
  position: absolute;
  left: 50%;
  top: 50%;
  background: #eeeeee;
  transform: translate(-50%, -50%);
}
.index_banner .swiper-container .w1400 .position .swiper-button-next,
.index_banner .swiper-container .w1400 .position .swiper-button-prev {
  width: 105px;
  height: 68px;
  margin: 0;
  top: 0;
  left: 0;
  background: url(../images/arrow.png) no-repeat center;
  font-size: 0;
}
.index_banner .swiper-container .w1400 .position .swiper-button-next {
  left: auto;
  right: 0;
  transform: rotate(180deg);
}
.index_banner .swiper-container .swiper-slide .position {
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 100%;
}
.index_banner .swiper-container .swiper-slide .position .title {
  font-size: 42px;
  color: #fff;
  font-weight: bold;
}
.index_banner .swiper-container .swiper-slide .position .cont {
  margin-top: 30px;
  margin-bottom: 45px;
  color: #fff;
  font-size: 86px;
  font-weight: bold;
  color: #fd6218;
}
.index_banner .swiper-container .swiper-slide .position .cont i {
  color: #c6a254;
  font-weight: bold;
}
.index_banner .swiper-container .swiper-slide .position .tips {
  font-size: 16px;
  color: #fff;
}
.index_piece1 {
  padding-bottom: 61px;
}
.index_piece1 .w1400 .left {
  width: 420px;
}
.index_piece1 .w1400 .left .title {
  font-size: 28px;
  color: #222222;
  line-height: 46px;
  margin-top: -10px;
  margin-bottom: 28px;
}
.index_piece1 .w1400 .left .content {
  font-size: 0;
}
.index_piece1 .w1400 .left .content p {
  font-size: 16px;
  color: #787878;
  line-height: 32px;
  margin-top: 28px;
}
.index_piece1 .w1400 .left .content p:first {
  margin-top: 0;
}
.index_piece1 .w1400 .right {
  width: 874px;
}
.index_piece1 .w1400 .right .list {
  width: 410px;
  overflow: hidden;
  float: left;
  margin-left: 54px;
  margin-bottom: 62px;
}
.index_piece1 .w1400 .right .list .img {
  position: relative;
  height: 96px;
  width: 96px;
  float: left;
  background: #454545;
  transition: background 0.3s;
}
.index_piece1 .w1400 .right .list .img img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.index_piece1 .w1400 .right .list .cont {
  float: right;
  width: 290px;
}
.index_piece1 .w1400 .right .list .cont .title {
  font-size: 28px;
  color: #222222;
  margin-top: -5px;
  margin-bottom: 11px;
}
.index_piece1 .w1400 .right .list .cont .content,
.index_piece1 .w1400 .right .list .cont a {
  font-size: 16px;
  color: #787878;
  line-height: 32px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.index_piece1 .w1400 .right .list .cont a {
  margin-top: 19px;
  display: block;
  line-height: 20px;
}
.index_piece1 .w1400 .right .list:hover .img {
  /* background: url(../images/index_piece1_img2.png) no-repeat center; */
  background: #fd6218;
  transition: background 0.3s;
}
.index_piece1 .w1400 .right .list:nth-child(2n+1) {
  margin-left: 0;
}
.index_piece2 {
  background: #f8f8f8;
  padding-bottom: 96px;
}
.index_piece2 .w1400 {
  margin-bottom: 36px;
}
.index_piece2 .w1400 .list {
  width: calc((100% - 90px) / 4);
  float: left;
  margin-left: 30px;
  margin-bottom: 40px;
}
.index_piece2 .w1400 .list .img {
  font-size: 0;
  height: 190px;
}
.index_piece2 .w1400 .list .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  filter: gray;
  transition: filter 0.3s;
}
.index_piece2 .w1400 .list .cont {
  border: 1px solid #dedede;
  border-top: 0;
  padding: 0 22px;
}
.index_piece2 .w1400 .list .cont .title a {
  line-height: 80px;
  font-size: 18px;
  display: block;
  width: 100%;
  color: #222;
  padding-bottom: 2px;
  border-bottom: 1px solid #dedede;
}
.index_piece2 .w1400 .list .cont .btn {
  height: 55px;
  padding-top: 22px;
}
.index_piece2 .w1400 .list .cont .btn .left,
.index_piece2 .w1400 .list .cont .btn .right {
  font-size: 16px;
  color: #afaeae;
}
.index_piece2 .w1400 .list .cont .btn .right {
  color: #4c6ec4;
}
.index_piece2 .w1400 .list:nth-child(4n+1) {
  margin-left: 0;
}
.index_piece2 .w1400 .list:hover .img img {
  filter: initial;
  transition: filter 0.3s;
}
.index_piece3 .list {
  position: relative;
  width: 50%;
  float: left;
}
.index_piece3 .list img {
  width: 100%;
}
.index_piece3 .list a {
  font-size: 0;
  display: block;
}
.index_piece3 .list .position {
  bottom: 0;
  width: 100%;
  left: 0;
  min-height: 186px;
}
.index_piece3 .list .position .title {
  background: rgba(0, 0, 0, 0.5);
  padding: 0 124px 0 116px;
  transition: all 0.3s;
}
.index_piece3 .list .position .title a,
.index_piece3 .list .position .title span {
  display: block;
  font-size: 36px;
  color: #fff;
  float: left;
  line-height: 186px;
  transition: all 0.3s;
}
.index_piece3 .list .position .title span {
  padding: 0;
  font-size: 18px;
  float: right;
  color: #ffffff;
  transition: all 0.3s;
}
.index_piece3 .list .position .cont {
  height: 0;
  background: #222;
  overflow: hidden;
  transition: all 0.3s;
  padding: 0 126px;
}
.index_piece3 .list .position .cont span {
  display: block;
  width: 36px;
  height: 4px;
  background: #fff;
}
.index_piece3 .list .position .cont .content {
  margin-top: 32px;
  font-size: 18px;
  line-height: 32px;
  color: #fff;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
  text-align: justify;
}
.index_piece3 .list .en {
  font-size: 20px;
  color: #fff;
  position: absolute;
  top: 54px;
  left: 126px;
}
.index_piece3 .list:hover .position .title {
  background: rgba(0, 0, 0, 0);
  transition: all 0.3s;
}
.index_piece3 .list:hover .position .title a,
.index_piece3 .list:hover .position .title span {
  line-height: 148px;
  transition: all 0.3s;
}
.index_piece3 .list:hover .position .title span {
  color: rgba(255, 255, 255, 0);
  transition: all 0.3s;
}
.index_piece3 .list:hover .position .cont {
  padding: 102px 126px 0;
  height: 330px;
  transition: all 0.3s;
}
.index_piece4 {
  padding-bottom: 114px;
}
.index_piece4 .w1400 .list_width {
  width: calc((100% - 80px) / 3);
  margin-left: 40px;
  height: 470px;
}
.index_piece4 .w1400 .list_width:first-child {
  margin-left: 0;
}
.index_piece4 .w1400 .list_first {
  background: #f8f8f8;
  float: left;
  padding: 31px 45px 33px;
}
.index_piece4 .w1400 .list_first .time {
  font-size: 20px;
  color: #787878;
}
.index_piece4 .w1400 .list_first .title {
  display: block;
  font-size: 20px;
  color: #222222;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 22px;
  transition: color 0.3s;
}
.index_piece4 .w1400 .list_first .content {
  margin-top: 20px;
  font-size: 16px;
  color: #787878;
  line-height: 30px;
  position: relative;
  padding-left: 30px;
}
.index_piece4 .w1400 .list_first .content span {
  background: #dedede;
  display: block;
  width: 3px;
  height: 46px;
  position: absolute;
  left: 0;
  top: 7px;
}
.index_piece4 .w1400 .list_first .img {
  margin-top: 33px;
  margin-bottom: 30px;
  font-size: 0;
  display: block;
  height: 146px;
}
.index_piece4 .w1400 .list_first .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index_piece4 .w1400 .list_first .btn {
  display: block;
  text-align: center;
  width: 124px;
  height: 40px;
  line-height: 40px;
  color: #fff;
  background: #222;
}
.index_piece4 .w1400 .list_first:hover .title {
  color: #c6a254;
  transition: color 0.3s;
}
.index_piece4 .w1400 .list {
  float: left;
  border-bottom: 1px solid #dedede;
}
.index_piece4 .w1400 .list .list_cont {
  height: 156px;
  padding: 28px 15px;
  border-top: 1px solid #dedede;
}
.index_piece4 .w1400 .list .list_cont .title a,
.index_piece4 .w1400 .list .list_cont .title span {
  font-size: 20px;
  color: #222;
  display: block;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: calc(100% - 86px);
}
.index_piece4 .w1400 .list .list_cont .title a {
  transition: color 0.3s;
}
.index_piece4 .w1400 .list .list_cont .title span {
  color: #787878;
  float: right;
  width: 56px;
}
.index_piece4 .w1400 .list .list_cont .content {
  margin-top: 12px;
  font-size: 16px;
  color: #787878;
  line-height: 30px;
}
.index_piece4 .w1400 .list .list_cont:hover .title .left {
  color: #c6a254;
  transition: color 0.3s;
}
.index_piece5 {
  padding-bottom: 78px;
  background: #f8f8f8;
}
.index_piece5 .w1400 ul li {
  width: calc((100% - 120px) / 5);
  border: 1px solid #dedede;
  float: left;
  margin-left: 30px;
  margin-bottom: 30px;
  height: 110px;
  font-size: 0;
  position: relative;
}
.index_piece5 .w1400 ul li img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.index_piece5 .w1400 ul li:nth-child(5n+1) {
  margin-left: 0;
}
.footer {
  background: #222;
  padding-top: 92px;
}
.footer .w1400 .clear .left ul {
  float: left;
  margin-right: 108px;
}
.footer .w1400 .clear .left ul p {
  font-size: 20px;
  color: #dddddd;
  margin-bottom: 29px;
}
.footer .w1400 .clear .left ul li a {
  font-size: 16px;
  color: #787878;
  display: block;
  margin-bottom: 19px;
}
.footer .w1400 .clear .left ul li span {
  font-size: 0;
  margin-right: 14px;
  float: left;
}
.footer .w1400 .clear .left ul li span a {
  font-size: 0;
  margin: 0;
}
.footer .w1400 .clear .left ul:last-child {
  margin-right: 0;
}
.footer .w1400 .clear .right {
  width: 488px;
}
.footer .w1400 .clear .right #form2 .title {
  font-size: 20px;
  color: #ddd;
  margin-bottom: 32px;
}
.footer .w1400 .clear .right #form2 input {
  outline: none;
  border: 0;
  font-size: 16px;
  color: #787878;
  background: none;
  width: 100%;
  border-bottom: 1px solid #787878;
  padding-bottom: 13px;
  margin-bottom: 31px;
}
.footer .w1400 .clear .right #form2 .clear input {
  max-width: 226px;
}
.footer .w1400 .clear .right #form2 .mess {
  margin-bottom: 36px;
}
.footer .w1400 .clear .right #form2 .submit {
  border: 1px solid #787878;
  width: 96px;
  height: 36px;
  font-size: 16px;
  color: #787878;
  display: block;
  text-align: center;
  line-height: 36px;
}
.footer .w1400 .footer_link {
  overflow: hidden;
  margin-top: 82px;
  margin-bottom: 32px;
}
.footer .w1400 .footer_link span,
.footer .w1400 .footer_link a {
  display: block;
  font-size: 16px;
  color: #787878;
}
.footer .w1400 .footer_link ul {
  overflow: hidden;
}
.footer .w1400 .footer_link ul li {
  float: left;
  position: relative;
}
.footer .w1400 .footer_link ul li a {
  padding: 0 12px;
}
.footer .w1400 .footer_link ul li span {
  position: absolute;
  width: 1px ;
  height: 14px;
  background: #595959;
  display: block;
  top: 50%;
  transform: translateY(-50%);
  right: 0;
}
.footer .w1400 .footer_link ul li:last-child span {
  display: none;
}
.footer .wechat_hover{
  position: relative;
}
.footer .wechat_hover em{
  display: none;
  position: absolute;
  top: 34px;
  left: 0;
  padding-top: 15px;
  margin-left: -41px;
}
.footer .wechat_hover em img{
  max-width: 1000px;
  width: 116px;
  height: 116px;
}
.footer .border {
  width: 100%;
  height: 1px;
  background: #333333;
}
.footer .footer_last {
  height: 80px;
  max-width: 1400px;
  margin: 0 auto;
  overflow: hidden;
}
.footer .footer_last .left {
  font-size: 14px;
  line-height: 74px;
  color: #787878;
}
.footer .footer_last .left a{
    color: #787878;
}
.footer .footer_last .left em{
    margin-right:5px;
}
.footer .footer_last .left em img{
    transform: translateY(4px);
}
.footer .footer_last .right {
  font-size: 14px;
  line-height: 74px;
  color: #787878;
}
.footer .footer_last .right em {
  font-size: 0;
  height: 74px;
  display: block;
  float: left;
  padding-top: 26px;
  margin-right: 11px;
}
.footer .footer_last .right em img {
  vertical-align: middle;
}
.footer .footer_last .right a {
  font-size: 14px;
  line-height: 74px;
  color: #787878;
}
.sub_nav ul {
  padding: 108px 0 72px;
}
.sub_nav ul li {
  float: left;
  width: 136px;
  height: 44px;
  margin-right: 2px;
}
.sub_nav ul li a {
  background: #eeeeee;
  font-size: 16px;
  line-height: 44px;
  display: block;
  color: #454545;
  text-align: center;
}
.sub_nav ul .active a {
  color: #fff;
  background: #454545;
}
.list_banner {
  height: 100vh;
}
.list_banner .position {
  left: 50%;
  top: 42%;
  width: 100%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.list_banner .position .title {
  font-size: 42px;
  color: #fff;
  font-weight: bold;
}
.list_banner .position .cont {
  margin-top: 30px;
  margin-bottom: 45px;
  color: #fff;
  font-size: 86px;
  font-weight: bold;
}
.list_banner .position .cont i {
  color: #fd6218;
  font-weight: bold;
}
.list_banner .position .tips {
  font-size: 26px;
  color: #fff;
}
.case_piece {
  background: #fff;
}
.case_piece .page {
  height: 86px;
  background: #f8f8f8;
}
.service_piece .w1400 {
  padding-bottom: 130px;
}
.service_piece .w1400 .list {
  position: relative;
  width: calc((100% - 30px) / 2);
  font-size: 0;
  margin-left: 30px;
  float: left;
}
.service_piece .w1400 .list .content {
  z-index: 2;
  top: 50%;
  transform: translateY(-50%);
  text-align: center;
  width: 100%;
}
.service_piece .w1400 .list .content p {
  color: #fff;
  font-size: 32px;
  text-align: center;
  margin-bottom: 26px;
}
.service_piece .w1400 .list .content ul {
  text-align: center;
  font-size: 0;
}
.service_piece .w1400 .list .content ul li {
  display: inline-block;
  font-size: 16px;
  color: #fefefe;
  margin: 0 9px;
}
.service_piece .w1400 .list .content .img {
  text-align: center;
  font-size: 0;
  position: absolute;
  width: 100%;
  bottom: -66px;
}
.service_piece .w1400 .list:nth-child(2n+1) {
  margin-left: 0;
}
.service_piece2 {
  background: #f8f8f8;
  padding-bottom: 115px;
}
.service_piece2 .w1400 {
  position: relative;
}
.service_piece2 .w1400 .swiper-button-next,
.service_piece2 .w1400 .swiper-button-prev {
  width: 33px;
  height: 64px;
}
.service_piece2 .w1400 .swiper-button-next {
  right: -140px;
  background: url(../images/next.png) no-repeat;
}
.service_piece2 .w1400 .swiper-button-prev {
  left: -140px;
  background: url(../images/next.png) no-repeat;
  transform: rotate(180deg);
}
.service_piece2 .swiper-container {
  width: 100%;
  height: 100%;
}
.service_piece2 .swiper-slide {
  position: relative;
  height: 427px;
  transition: 300ms;
  transform: scale(0.75);
}
.service_piece2 .swiper-slide img {
  transition: 300ms;
}
.service_piece2 .swiper-slide-active,
.service_piece2 .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 10;
}
.service_piece2 .swiper-slide-next img {
  position: relative;
  left: -300px;
  transition: 300ms;
}
.service_piece2 .swiper-slide-prev img {
  position: relative;
  right: -300px;
  transition: 300ms;
}
.service_piece3 {
  background: #FFF;
}
.service_xcp_piece1 .w1400 {
  padding-bottom: 106px;
}
.service_xcp_piece1 .w1400 .list {
  width: calc((100% - 60px) / 3);
  position: relative;
  height: auto;
  margin-left: 30px;
  float: left;
  margin-bottom: 30px;
}
.service_xcp_piece1 .w1400 .list .position {
  bottom: 30px;
  left: 30px;
}
.service_xcp_piece1 .w1400 .list .title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 12px;
}
.service_xcp_piece1 .w1400 .list .content {
  font-size: 16px;
  color: #ddd;
}
.service_xcp_piece1 .w1400 .list:nth-child(2) {
  width: calc(100% - ((100% - 60px) / 3) - 30px);
  height: auto;
}
.service_xcp_piece1 .w1400 .list:first-child {
  height: auto;
}
.service_xcp_piece1 .w1400 .list:first-child,
.service_xcp_piece1 .w1400 .list:nth-child(3) {
  margin-left: 0;
}
.service_xcp_piece2 {
  background: #f8f8f8;
}
.service_xcp_piece2 .w1400 {
  padding-bottom: 140px;
}
.service_xcp_piece2 .w1400 .list {
  width: calc((100% - 90px) / 4);
  float: left;
  height: 460px;
  background: #fff;
  margin-left: 30px;
  padding: 76px 38px 0;
}
.service_xcp_piece2 .w1400 .list .img {
  text-align: center;
  font-size: 0;
  margin-bottom: 39px;
}
.service_xcp_piece2 .w1400 .list .title {
  text-align: center;
  font-size: 24px;
  color: #222;
  margin-bottom: 20px;
}
.service_xcp_piece2 .w1400 .list .content {
  font-size: 16px;
  color: #787878;
  line-height: 32px;
  text-align: justify;
  text-align-last: center;
}
.service_xcp_piece2 .w1400 .list:first-child {
  margin-left: 0;
}
.service_xcp_piece3 {
  background: #fff;
}
.service_xcp_piece4 {
  background: #f8f8f8;
}
.service_xcp_piece4 .w1400 {
  padding-bottom: 124px;
}
.service_xcp_piece4 .w1400 .list {
  width: calc(100% / 8);
  height: 260px;
  float: left;
  border-right: 1px solid #dedede;
  border-bottom: 1px solid #dedede;
}
.service_xcp_piece4 .w1400 .list .title {
  background: #454545;
  font-size: 16px;
  color: #fff;
  height: 60px;
  text-align: center;
  padding-top: 12px;
}
.service_xcp_piece4 .w1400 .list .title em {
  font-size: 26px;
  color: #fff;
}
.service_xcp_piece4 .w1400 .list .content {
  text-align: center;
  padding-top: 38px;
}
.service_xcp_piece4 .w1400 .list .content span {
  display: block;
  font-size: 22px;
  color: #222222;
  margin-bottom: 12px;
}
.service_xcp_piece4 .w1400 .list .content p {
  font-size: 15px;
  color: #787878;
  line-height: 28px;
}
.service_xcp_piece4 .w1400 .list:nth-child(8n+1) {
  border-left: 1px solid #dedede;
}
.about_banner .position .cont {
  margin-bottom: 37px;
}
.about_banner .position .tips {
  line-height: 46px;
}
.about_piece {
  padding: 114px 0;
}
.about_piece .w1400 .left {
  width: calc(100% - 660px);
  max-width: 648px;
}
.about_piece .w1400 .left .en {
  font-size: 60px;
  color: #222222;
  font-family: siyuan;
  margin-top: -17px;
  margin-bottom: 2px;
}
.about_piece .w1400 .left .cn {
  font-size: 24px;
  color: #222222;
}
.about_piece .w1400 .left .content p {
  font-size: 16px;
  color: #787878;
  line-height: 32px;
  margin-top: 62px;
}
.about_piece .w1400 .left .content ul li {
  font-size: 16px;
  color: #787878;
  line-height: 32px;
  padding-left: 30px;
  background: url(../images/diamond.png) no-repeat 0 10px;
  margin-top: 28px;
}
.about_piece .w1400 .left .content span {
  font-size: 16px;
  color: #787878;
  line-height: 30px;
  margin-top: 30px;
  display: block;
}
.about_piece .w1400 .right {
  font-size: 0;
}
.about_piece2 {
  background: #f8f8f8;
  padding-bottom: 114px;
}
.about_piece2 .w1400 .slideTxtBox .hd ul {
  font-size: 0;
}
.about_piece2 .w1400 .slideTxtBox .hd ul li {
  display: block;
  background: #fff;
  color: #454545;
  font-size: 20px;
  cursor: pointer;
  width: 330px;
  height: 80px;
  line-height: 80px;
  padding-left: 150px;
}
.about_piece2 .w1400 .slideTxtBox .hd ul li:first-child {
  background: url(../images/about_piece2_img.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .hd ul li:nth-child(2) {
  background: url(../images/about_piece2_img3.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .hd ul li:nth-child(3) {
  background: url(../images/about_piece2_img5.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .hd ul .on {
  color: #fff;
}
.about_piece2 .w1400 .slideTxtBox .hd ul .on:first-child {
  background: #454545 url(../images/about_piece2_img2.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .hd ul .on:nth-child(2) {
  background: #454545 url(../images/about_piece2_img4.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .hd ul .on:nth-child(3) {
  background: #454545 url(../images/about_piece2_img6.png) no-repeat 104px center;
}
.about_piece2 .w1400 .slideTxtBox .bd {
  float: right;
}
.about_piece2 .w1400 .slideTxtBox .bd .cont {
  width: 100%;
  height: auto;
  font-size: 0;
}
.contact_piece {
  padding-bottom: 114px;
}
.contact_piece .w1400 .left {
  width: calc(100% - 470px);
}
.contact_piece .w1400 .left img {
  width: auto;
  max-width: none;
}
.contact_piece .w1400 .left .pop .center {
  box-sizing: initial;
}
.contact_piece .w1400 .right .cont {
  width: 470px;
  height: 600px;
  background: #454545;
  padding: 87px 0 0 60px;
}
.contact_piece .w1400 .right .cont .title {
  font-size: 28px;
  color: #fff;
  margin-bottom: 47px;
}
.contact_piece .w1400 .right .cont p {
  font-size: 20px;
  color: #fff;
}
.contact_piece .w1400 .right .cont p span {
  display: block;
  font-size: 16px;
  color: #cccccc;
  margin-top: 16px;
}
.contact_piece .w1400 .right .cont p span a {
  font-size: 16px;
  color: #cccccc;
}
.contact_piece .w1400 .right .cont .list {
  margin-top: 50px;
}
.contact_piece .w1400 .right .cont .list span {
  margin-top: 8px;
}
.contact_piece .w1400 .right .cont .list span:first-child {
  margin-top: 16px;
}
.contact_piece .w1400 .right .cont .content {
  margin-top: 56px;
  font-size: 0;
}
.contact_piece .w1400 .right .cont .content div {
  position: relative;
  float: left;
}
.contact_piece .w1400 .right .cont .content div p {
  display: none;
  font-size: 0;
  width: 120px;
  height: 120px;
  background: #fff;
  position: absolute;
  top: -27px;
  right: -125px;
  padding: 10px;
}
.news_piece {
  height: 440px;
  margin-top: 72px;
  margin-bottom: 72px;
}
.news_piece .clear .left {
  font-size: 0;
}
.news_piece .clear .left a{
  display: block;
  font-size: 0;
}
.news_piece .clear .right {
  width: 480px;
  position: absolute;
  top: 0;
  right: 0;
  background: #222222;
  height: 440px;
  padding: 67px 38px 0;
}
.news_piece .clear .right .title {
  display: block;
  font-size: 28px;
  color: #fff;
  line-height: 42px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin-bottom: 21px;
}
.news_piece .clear .right .content {
  font-size: 16px;
  color: #fff;
  line-height: 30px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  margin-bottom: 65px;
}
.news_piece .clear .right .btn {
  display: block;
  width: 124px;
  line-height: 40px;
  background: #c6a254;
  color: #fff;
  text-align: center;
}
.news_piece .swiper-container .swiper-pagination {
  width: auto;
  right: 37px;
  left: auto;
  bottom: 34px;
}
.news_piece .swiper-container .swiper-pagination span {
  width: 10px;
  height: 10px;
  background: #fff;
}
.news_piece .swiper-container .swiper-pagination .swiper-pagination-bullet {
  opacity: 0.4;
}
.news_piece .swiper-container .swiper-pagination .swiper-pagination-bullet-active {
  opacity: 1;
}
.news_piece2 {
  background: #f8f8f8;
}
.news_piece2 .w1400 {
  padding-top: 72px;
}
.news_piece2 .w1400 .list_first {
  margin-bottom: 40px;
  background: #fff;
}
.news_piece2 .w1400 .list_first:nth-child(3n+1) {
  margin-left: 0;
}
.news_piece2 .page {
  padding: 0;
  background: #fff;
  height: 86px;
  margin-top: 32px;
}
.news_piece2 .index_piece4 {
  padding-bottom: 74px;
}
.details_piece {
  padding-top: 95px;
  padding-bottom: 105px;
}
.details_piece .title {
  font-size: 28px;
  color: #222;
  line-height: 52px;
  text-align: center;
  margin-bottom: 16px;
}
.details_piece .time {
  font-size: 16px;
  color: #787878;
  text-align: center;
  width: 100%;
  border-bottom: 1px solid #dedede;
  padding-bottom: 27px;
}
.details_piece .content {
  font-size: 16px;
  color: #454545;
  line-height: 36px;
  padding: 34px 0;
  border-bottom: 1px solid #dedede;
}
.details_piece .content p {
  font-size: 16px;
  color: #454545;
  line-height: 36px;
}
.details_piece .content img {
  margin: 28px auto;
}
.details_piece .details_page {
  padding-top: 36px;
}
.details_piece .details_page div {
  font-size: 20px;
  color: #222;
  margin-top: 20px;
}
.details_piece .details_page div a {
  color: #454545;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.needs_banner {
  width: 100%;
  height: 300px;
  background: url(../images/needs_banner.jpg) no-repeat center / cover;
  position: relative;
}
.needs_banner .cont {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.needs_banner .cont .title {
  font-size: 32px;
  color: #c6a254;
}
.needs_banner .cont .content {
  font-size: 16px;
  color: #fff;
  margin-top: 17px;
}
.needs_piece {
  background: #f8f8f8;
  padding-top: 60px;
  padding-bottom: 114px;
}
.needs_piece .w1400 #form2 .title,
.needs_piece .w1400 #form2 .title2 {
  font-size: 22px;
  color: #222;
  overflow: hidden;
  padding: 0 40px;
}
.needs_piece .w1400 #form2 .title em,
.needs_piece .w1400 #form2 .title2 em {
  color: #ff3232;
  font-size: 22px;
  line-height: 36px;
  float: left;
  display: block;
  margin-right: 10px;
}
.needs_piece .w1400 #form2 .title2 {
  font-size: 18px;
}
.needs_piece .w1400 #form2 .title2 em {
  font-size: 18px;
  line-height: 28px;
}
.needs_piece .w1400 #form2 .content {
  padding: 0 40px;
}
.needs_piece .w1400 #form2 .needs_piece1 {
  background: #FFF;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece1 .content {
  margin-top: 30px;
}
.needs_piece .w1400 #form2 .needs_piece1 .content input {
  font-size: 16px;
  color: #cccccc;
  width: 100%;
  height: 54px;
  line-height: 54px;
  border: 1px solid #dedede;
  padding-left: 16px;
}
.needs_piece .w1400 #form2 .needs_piece2 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece2 .content {
  margin-top: 28px;
}
.needs_piece .w1400 #form2 .needs_piece2 .content label {
  display: block;
  float: left;
  font-size: 16px;
  color: #454545;
  margin-right: 64px;
  cursor: pointer;
}
.needs_piece .w1400 #form2 .needs_piece2 .content label input[type="radio"] {
  cursor: pointer;
  font-size: 16px;
  color: #454545;
  display: block;
  width: 18px;
  height: 18px;
  background: url(../images/radio.png) no-repeat center / cover;
  float: left;
  margin-top: 1px;
  margin-right: 12px;
}
.needs_piece .w1400 #form2 .needs_piece2 .content label .active {
  background: url(../images/radio2.png) no-repeat center / cover !important;
}
.needs_piece .w1400 #form2 .needs_piece3 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece3 .title {
  margin-bottom: 24px;
}
.needs_piece .w1400 #form2 .needs_piece3 .title2 {
  margin-bottom: 14px;
}
.needs_piece .w1400 #form2 .needs_piece3 .title3 {
  margin-top: 47px;
}
.needs_piece .w1400 #form2 .needs_piece3 .content label {
  font-size: 16px;
  color: #454545;
  margin-right: 64px;
  cursor: pointer;
  display: block;
  float: left;
}
.needs_piece .w1400 #form2 .needs_piece3 .content label input[type='checkbox'] {
  cursor: pointer;
  font-size: 16px;
  color: #454545;
  display: block;
  width: 18px;
  height: 18px;
  float: left;
  margin-top: 2px;
  margin-right: 12px;
  background: url(../images/check.png) no-repeat center / cover;
}
.needs_piece .w1400 #form2 .needs_piece3 .content label .active {
  background: url(../images/check2.png) no-repeat center / cover !important;
}
.needs_piece .w1400 #form2 .needs_piece3 .content2 label {
  display: block;
  float: left;
  font-size: 16px;
  color: #454545;
  margin-right: 64px;
  cursor: pointer;
}
.needs_piece .w1400 #form2 .needs_piece3 .content2 label input[type="radio"] {
  cursor: pointer;
  font-size: 16px;
  color: #454545;
  display: block;
  width: 18px;
  height: 18px;
  background: url(../images/radio.png) no-repeat center / cover;
  float: left;
  margin-top: 1px;
  margin-right: 12px;
}
.needs_piece .w1400 #form2 .needs_piece3 .content2 label .active {
  background: url(../images/radio2.png) no-repeat center / cover !important;
}
.needs_piece .w1400 #form2 .needs_piece4 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece4 .content {
  margin-top: 26px;
}
.needs_piece .w1400 #form2 .needs_piece4 .content .left {
  width: 413px;
  margin-right: 40px;
}
.needs_piece .w1400 #form2 .needs_piece4 .content .left input {
  border: 1px solid #dedede;
  width: 100%;
  height: 54px;
  padding-left: 18px;
}
.needs_piece .w1400 #form2 .needs_piece4 .content .title2 {
  padding: 0;
  font-size: 16px;
  margin-bottom: 14px;
}
.needs_piece .w1400 #form2 .needs_piece5 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece6 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece6 .title {
  margin-bottom: 35px;
}
.needs_piece .w1400 #form2 .needs_piece6 .content label {
  font-size: 16px;
  color: #454545;
  margin-right: 64px;
  cursor: pointer;
  display: block;
  float: left;
}
.needs_piece .w1400 #form2 .needs_piece6 .content label input[type='checkbox'] {
  cursor: pointer;
  font-size: 16px;
  color: #454545;
  display: block;
  width: 18px;
  height: 18px;
  float: left;
  margin-top: 2px;
  margin-right: 12px;
  background: url(../images/check.png) no-repeat center / cover;
}
.needs_piece .w1400 #form2 .needs_piece6 .content label .active {
  background: url(../images/check2.png) no-repeat center / cover !important;
}
.needs_piece .w1400 #form2 .needs_piece7 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 50px;
}
.needs_piece .w1400 #form2 .needs_piece7 .content {
  margin-top: 37px;
}
.needs_piece .w1400 #form2 .needs_piece7 .content textarea {
  width: 100%;
  height: 200px;
  line-height: 32px;
  padding: 6px 16px;
  border-color: #dedede;
  font-family: '微软雅黑';
}
.needs_piece .w1400 #form2 .needs_piece7 .content textarea::placeholder {
  color: #ccc;
}
.needs_piece .w1400 #form2 .needs_piece7 .content .clear .btn {
  display: block;
  width: 150px;
  height: 45px;
  line-height: 43px;
  background: url(../images/btn_img.png) no-repeat 28px center;
  padding-left: 59px;
  border: 1px solid #dedede;
  margin-top: 24px;
  position: relative;
}
.needs_piece .w1400 #form2 .needs_piece7 .content .clear .btn input{
  width: 100%;
  height: 100%;
  cursor: pointer;
  position: absolute;
  top: 0;
  left: 0;
}
.needs_piece .w1400 #form2 .needs_piece7 .content .clear .tips {
  margin-top: 24px;
  line-height: 45px;
  font-size: 14px;
  color: #ccc;
  margin-left: 22px;
}
.needs_piece .w1400 #form2 .needs_piece8 {
  background: #fff;
  margin-top: 24px;
  padding-top: 46px;
  padding-bottom: 9px;
}
.needs_piece .w1400 #form2 .needs_piece8 .content {
  margin-top: 27px;
}
.needs_piece .w1400 #form2 .needs_piece8 .content .list {
  width: calc((100% - 80px) / 3);
  float: left;
  margin-left: 40px;
  margin-bottom: 41px;
}
.needs_piece .w1400 #form2 .needs_piece8 .content .list p {
  font-size: 16px;
  color: #222222;
  margin-bottom: 22px;
}
.needs_piece .w1400 #form2 .needs_piece8 .content .list input {
  width: 100%;
  border: 1px solid #dedede;
  height: 54px;
  font-size: 16px;
  color: #cccccc;
  padding-left: 18px;
}
.needs_piece .w1400 #form2 .needs_piece8 .content .list:nth-child(3n+1) {
  margin-left: 0;
}
.needs_piece .w1400 #form2 .submit {
  display: block;
  width: 200px;
  height: 54px;
  line-height: 54px;
  color: #fff;
  background: #c6a254;
  font-size: 16px;
  text-align: center;
  margin: 60px auto 0;
}
.service_dyy_piece1 {
  padding-bottom: 126px;
}
.service_dyy_piece1 .w1400 .list {
  height: 447px;
  width: calc((100% - 90px) / 4);
  float: left;
  position: relative;
  margin-left: 30px;
}
.service_dyy_piece1 .w1400 .list .img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  filter: gray;
  transition: filter 0.3s;
}
.service_dyy_piece1 .w1400 .list .content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.service_dyy_piece1 .w1400 .list .content .list_logo {
  height: 53px;
  font-size: 0;
  text-align: center;
  margin-top: 45px;
}
.service_dyy_piece1 .w1400 .list .content .title {
  font-size: 24px;
  color: #fff;
  text-align: center;
  margin-top: 184px;
}
.service_dyy_piece1 .w1400 .list .content .tips {
  font-size: 16px;
  color: #fff;
  text-align: justify;
  line-height: 30px;
  padding: 0 30px;
  margin-top: 25px;
}
.service_dyy_piece1 .w1400 .list:hover .img {
  filter: initial;
  transition: filter 0.3s;
}
.service_dyy_piece1 .w1400 .list:first-child {
  margin-left: 0;
}
.service_dyy_piece2 {
  background: #f8f8f8;
  padding-bottom: 130px;
}
.service_dyy_piece2 .content {
  background: url(../images/dyy_piece2_img2.png) no-repeat bottom center;
}
.service_dyy_piece2 .content .cont {
  width: 1400px;
  margin: 0 auto;
  position: relative;
}
.service_dyy_piece2 .content .cont ul {
  padding-top: 1px;
}
.service_dyy_piece2 .content .cont ul li {
  font-size: 22px;
  text-align: center;
  margin-top: 60px;
}
.service_dyy_piece2 .content .cont ul li:last-child {
  padding-bottom: 30px;
  color: #fff;
}
.service_dyy_piece2 .content .cont ul li:nth-child(6) {
  margin-top: 70px;
}
.service_dyy_piece2 .content .cont ul li:nth-child(5) {
  margin-top: 70px;
}
.service_dyy_piece2 .content .cont ul li:nth-child(4) {
  margin-top: 65px;
}
.service_dyy_piece2 .content .cont ul li:nth-child(3) {
  margin-top: 65px;
}
.service_dyy_piece2 .content .cont ul li:nth-child(2) {
  margin-top: 65px;
}
.service_dyy_piece2 .content .cont .list {
  font-size: 16px;
  color: #282828;
  width: 596px;
  line-height: 28px;
  padding: 12px 0;
  position: absolute;
}
.service_dyy_piece2 .content .cont .list:first-child {
  padding-left: 284px;
  background: url(../images/dyy_piece2_img.png) no-repeat center;
  right: 0;
  top: 40px;
}
.service_dyy_piece2 .content .cont .list:nth-child(2) {
  padding-right: 274px;
  padding-left: 18px;
  background: url(../images/dyy_piece2_img3.png) no-repeat center;
  left: 0;
  top: 115px;
}
.service_dyy_piece2 .content .cont .list:nth-child(3) {
  padding-left: 284px;
  background: url(../images/dyy_piece2_img.png) no-repeat center;
  right: 0;
  top: 225px;
}
.service_dyy_piece2 .content .cont .list:nth-child(4) {
  padding-right: 274px;
  padding-left: 18px;
  background: url(../images/dyy_piece2_img4.png) no-repeat center;
  left: 0;
  top: 330px;
}
.service_dyy_piece2 .content .cont .list:nth-child(5) {
  padding-left: 284px;
  background: url(../images/dyy_piece2_img5.png) no-repeat center;
  right: 0;
  top: 405px;
}
.service_dyy_piece2 .content .cont .list:nth-child(6) {
  padding-left: 284px;
  background: url(../images/dyy_piece2_img6.png) no-repeat center;
  right: 0;
  top: 565px;
}
.service_dyy_piece2 .content .cont .list:nth-child(7) {
  padding-right: 350px;
  padding-left: 18px;
  background: url(../images/dyy_piece2_img7.png) no-repeat center;
  left: 0;
  top: 580px;
  width: 648px;
}
.dszb_piece1 .w1400 {
  padding-bottom: 100px;
}
.dszb_piece1 .w1400 .list {
  width: 280px;
  height: 280px;
  float: left;
  border: 1px solid #454545;
  border-radius: 50%;
  padding: 28px 25px 0;
  transition: all 0.3s;
  margin-left: 92px;
}
.dszb_piece1 .w1400 .list .img {
  width: 67px;
  height: 67px;
  margin: 0 auto;
}
.dszb_piece1 .w1400 .list .title {
  text-align: center;
  font-size: 24px;
  color: #222;
  margin-top: 15px;
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list .cont {
  font-size: 14px;
  color: #787878;
  line-height: 30px;
  margin-top: 14px;
  text-align: center;
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list:hover {
  background: #454545;
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list:hover .img {
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list:hover .title {
  color: #fff;
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list:hover .cont {
  color: #fff;
  transition: all 0.3s;
}
.dszb_piece1 .w1400 .list:first-child {
  margin-left: 0;
}
.dszb_piece1 .w1400 .list:first-child .img {
  background: url(../images/ds_piece_img1.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(2) .img {
  background: url(../images/ds_piece_img3.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(3) .img {
  background: url(../images/ds_piece_img5.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(4) .img {
  background: url(../images/ds_piece_img7.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:first-child:hover .img {
  background: url(../images/ds_piece_img2.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(2):hover .img {
  background: url(../images/ds_piece_img4.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(3):hover .img {
  background: url(../images/ds_piece_img6.png) no-repeat center;
}
.dszb_piece1 .w1400 .list:nth-child(4):hover .img {
  background: url(../images/ds_piece_img7.png) no-repeat center;
}
.dszb_piece2 {
  width: 100%;
  background: url(../images/ds_piece2_img.png) no-repeat center / cover;
  height: 424px;
  padding-top: 59px;
}
.dszb_piece2 .title_dszb {
  text-align: center;
  color: #fff;
  font-size: 47px;
  margin-bottom: 56px;
}
.dszb_piece2 .content {
  text-align: center;
}
.dszb_piece2 .content .list {
  display: inline-block;
  margin-left: 188px;
  font-size: 0;
  width: 157px;
}
.dszb_piece2 .content .list:first-child {
  margin-left: 0;
}
.dszb_piece3 {
  background: #f8f8f8;
}
.dszb_piece4 {
  background: url(../images/ds_case_img2.png) no-repeat right center / cover;
  padding-bottom: 112px;
}
.dszb_piece4 .w1400{
  width: 100%;
  max-width: 1400px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  z-index: 1;
}
.dszb_piece4 .w1400 div{
  top: 0;
  width: 80px;
  height: 68px;
  background: #fff url(../images/arrow.png) no-repeat center;
}
.dszb_piece4 .w1400 .swiper-button-next{
  transform: rotate(180deg);
}
.dszb_piece4 .w1400 div::after{
  content: '';
}
.dszb_piece4 .content {
  margin-bottom: 35px;
  position: relative;
}
.dszb_piece4 .content .swiper-container {
  width: 100%;
  height: 100%;
}
.dszb_piece4 .content .swiper-slide {
  background: url(../images/ds_case_img.png) no-repeat bottom center;
  height: 582px;
  padding-bottom: 9px;
  position: relative;
}
.dszb_piece4 .content .swiper-slide .img {
  height: 574px;
}
.dszb_piece4 .content .swiper-slide .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  filter: gray;
}
.dszb_piece4 .content .swiper-slide .cont {
  width: 100%;
  height: 183px;
  position: absolute;
  left: 0;
  bottom: 8px;
  z-index: -1;
  background: rgba(0, 0, 0, 0.38);
}
.dszb_piece4 .content .swiper-slide .cont .tips {
  color: #fff;
  padding: 0 38px;
  font-size: 16px;
  line-height: 28px;
}
.dszb_piece4 .content .swiper-slide .cont .tips:last-child {
  margin-bottom: 0;
}
.dszb_piece4 .content .swiper-slide .cont .position {
  top: 50%;
  transform: translateY(-50%);
}
.dszb_piece4 .content .swiper-slide .bg {
  width: 100%;
  height: 100%;
  max-height: 574px;
  background: rgba(0, 0, 0, 0.38);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.dszb_piece4 .content .swiper-slide-active .img img {
  filter: initial;
}
.dszb_piece4 .content .swiper-slide-active .bg {
  z-index: 1;
}
.dszb_piece4 .content .swiper-slide-active .cont {
  z-index: 2;
}
.dszb_piece4 .piece_btn {
  padding-bottom: 5px;
  background: url(../images/ds_case_img5.png) no-repeat bottom center;
}
.dszb_piece4 .piece_btn a {
  display: block;
  margin: 0 auto;
  width: 196px;
  height: 50px;
  line-height: 48px;
  text-align: center;
  border: 1px solid #222;
  font-size: 16px;
  color: #222;
}
.page ul {
  overflow: hidden;
  text-align: center;
}
.page ul li {
  width: 38px;
  height: 38px;
  display: inline-block;
}
.page ul li span,
.page ul li a {
  display: block;
  font-size: 18px;
  color: #787878;
  line-height: 38px;
}
@media only screen and (max-width: 1420px) {
  .service_dyy_piece1 .w1400 .list .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .service_dyy_piece2 .content .cont {
    width: 100%;
  }
  .service_dyy_piece2 .content .cont .list {
    display: none;
  }
  .videobg .content2 {
    width: 100%;
  }
  .dszb_piece1 .w1400 {
    width: 100%;
    text-align: center;
  }
  .dszb_piece1 .w1400 .list {
    float: initial;
    margin-left: 20px;
    display: inline-block;
  }
  .dszb_piece2 .content .list {
    margin-left: 120px;
  }
  .details_piece .w1400 {
    width: 100%;
    padding: 0 20px;
  }
  .index_piece1 .w1400 .left {
    width: 410px;
  }
  .index_piece1 .w1400 .right {
    width: 850px;
  }
  .index_piece1 .w1400 .right .list {
    margin-left: 30px;
  }
}
@media only screen and (max-width: 1280px) {
  .dszb_piece1 .w1400 .list {
    margin-left: 15px;
  }
  .index_piece1 .w1400 .right {
    width: 780px;
  }
  .index_piece1 .w1400 .right .list {
    width: 375px;
    margin-left: 30px;
  }
  .index_piece1 .w1400 .right .list .cont {
    width: 275px;
  }
  .footer .w1400 .clear .left ul {
    margin-right: 80px;
  }
}
@media only screen and (max-width: 1700px) {
  .service_piece2 .w1400 .swiper-button-next {
    right: 0;
  }
  .service_piece2 .w1400 .swiper-button-prev {
    left: 0;
  }
}
.top.black {
  position: relative;
  top: 0;
  padding: 36px 0;
}
.top.black .w1400 .right li a {
  color: #222;
}
.float_right {
  position: fixed;
  top: 50%;
  right: 20px;
  z-index: 5;
}
.float_right .hover {
  background: #222 url(../images/float_right_img2.png) no-repeat center 20px;
  width: 50px;
  height: 140px;
  padding: 0 17px;
  padding-top: 46px;
  color: #fff;
  cursor: pointer;
}
.float_right .content {
  display: none;
  position: absolute;
  top: 0;
  right: 50px;
}
.float_right .content .ico {
  background: url(../images/float_right_img.png) no-repeat center;
  width: 20px;
  height: 40px;
  position: absolute;
  right: 8px;
  top: 8px;
}
.float_right .content .cont {
  margin-right: 20px;
  width: 280px;
  height: 233px;
  background: #fff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
  padding: 22px 30px 0 25px;
}
.float_right .content .cont a {
  display: block;
  margin-bottom: 26px;
}
.float_right .content .cont a p {
  background: url(../images/float_right_img3.png) no-repeat 0 center;
  font-size: 15px;
  color: #222;
  line-height: 20px;
  padding-left: 36px;
}
.float_right .content .cont a div {
  font-size: 13px;
  color: #787878;
  padding-left: 36px;
  margin-top: 8px;
}
.float_right .content .cont a:nth-child(1) div {
  color: #c6a254;
}
.float_right .content .cont a:nth-child(2) p {
  background: url(../images/float_right_img4.png) no-repeat 0 center;
}
.float_right .content .cont a:nth-child(3) {
  margin-bottom: 0;
}
.float_right .content .cont a:nth-child(3) p {
  background: url(../images/float_right_img5.png) no-repeat 0 center;
}

/*4-23*/
.page .pagination{
  padding-top: 24px;
}
.page .pagination li{
  margin-left: 5px;
}
.page .pagination li:first-child{
  margin-left: 0;
}
.page .pagination li.active span {
  background: #c6a254;
  color: #fff;
  cursor: pointer;
}
.about_piece .right{
  position: relative;
}
.about_piece .right .position{
  top: 48%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 550px;
  margin-top: 1px;
  margin-left: 5px;
}
.about_piece .right .position li{
  float: left;
}
.about_piece .right .position li p{
  font-size: 16px;
  color: #fff;
  text-align: center;
}
.about_piece .right .position li p span{
  font-size: 50px;
  color: #fff;
  font-family: din;
}
.about_piece .right .position li div{
  font-size: 16px;
  color: #fff;
}
.about_piece .right .position li:nth-child(2){
  margin-left: 44px;
}
.about_piece .right .position li:nth-child(3){
  margin-left: 44px;
}
.about_piece .right .position li:nth-child(3) div,.about_piece .right .position li:nth-child(4) div{
  text-align: center;
}
.about_piece .right .position li:nth-child(4){
  margin-left: 36px;
}
.about_piece2 .w1400 .left{
  margin-right: 20px;
}
.about_piece2 .w1400 .slideTxtBox .bd{
  width: calc(100% - 350px);
}


/* 4-27 */
.videobg .content video{
  width: 100% !important;
  height: 100% !important;
  max-width: 980px !important;
  max-height: 560px !important;
}
.succ_tips{
  padding-top: 22px;
  font-size: 14px;
  color: #454545;
}
.index_piece2 .img{
  position: relative;
}
.index_piece2 .img a{
  top:0;
  position: relative;
  max-height: 100%;
  overflow: hidden;
  z-index: 2;
}
.index_piece2 .img span{
  width: 100%;
  height: 100%;
  background: url(../images/player.png) no-repeat center;
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  z-index: 3;
  cursor: pointer;
}	
.index_piece4 .w1400 .list_first .content,
.index_piece4 .w1400 .list .list_cont .content{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}