/*===============================================
header
===================================================================*/
.header_top {
  background: none;
}
.header_top .header_box .header_logo .img_top {
  display: block;
}
.header_top .header_box .header_logo .img_bottom {
  display: none;
}
.header_top .header_box .header_nav a {
  font-size: 16px;
  color: #fff;
  margin-right: 46px;
}
.add_shadow {
  box-shadow: 0px 3px 5px 0px rgba(0, 0, 0, 0.05);
}
.add_shadow .header_box .header_logo .img_top {
  display: none;
}
.add_shadow .header_box .header_logo .img_bottom {
  display: block;
}
.add_shadow .header_box .header_nav a {
  color: #333;
}
/*================================================
banner
===================================================================*/
@keyframes todown {
  0%,
  100% {
    bottom: 102px;
  }
  50% {
    bottom: 90px;
  }
}
.index_banner {
  overflow: hidden;
  transition: all 0.5s;
  width: 100%;
  height: 100vh;
}
.swiper_banner {
  overflow: hidden;
}
.banner_bg {
  height: 100vh;
  width: 100%;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
}
.banner_bg .banner_p {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: space-between;
}
.banner_bg .banner_title h3 {
  font-size: 40px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: left;
  color: #ffffff;
}
.banner_bg .banner_title span {
  font-size: 16px;
  font-family: Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: left;
  color: #ffffff;
  line-height: 40px;
}
.banner_bg .banner_title:first-child {
  position: absolute;
  top: 30%;
}
.banner_bg .banner_title:last-child {
  position: absolute;
  right: 0;
  bottom: 38%;
}
.banner_bg .layui_icon {
  position: absolute;
  bottom: 14%;
  left: 50%;
  transform: translate(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid #ffffff;
  max-width: 54px;
  width: 100%;
  height: 100%;
  max-height: 54px;
  -webkit-animation: todown 2s infinite linear;
  animation: todown 2s infinite linear;
}
.banner_bg .layui_icon i {
  font-size: 34px;
  transform: rotate(-90deg);
  color: #ffffff;
}
@media screen and (max-width: 1600PX) {
  .banner_bg .layui_icon {
    max-width: 40px;
    width: 100%;
    height: 100%;
    max-height: 40px;
  }
  .banner_bg .layui_icon i {
    font-size: 24px;
  }
}
@media screen and (max-width: 1000PX) {
  .index_banner {
    height: 60vh;
  }
  .banner_bg {
    height: 60vh;
  }
  .banner_bg .banner_title:first-child {
    position: absolute;
    top: 30%;
  }
  .banner_bg .banner_title:last-child {
    position: absolute;
    right: 0;
    bottom: 22%;
  }
  .banner_bg .layui_icon {
    max-width: 40px;
    width: 100%;
    height: 100%;
    max-height: 40px;
  }
  .banner_bg .layui_icon i {
    font-size: 24px;
  }
  @keyframes todown {
    0%,
    100% {
      bottom: 20px;
    }
    50% {
      bottom: 40px;
    }
  }
}
@media screen and (max-width: 768PX) {
  .banner_bg {
    height: 60vh;
  }
  .banner_bg .banner_title h3 {
    font-size: 30px;
  }
  .banner_bg .banner_title span {
    font-size: 14px;
  }
  .banner_bg .banner_title:first-child {
    top: 20%;
  }
  .banner_bg .banner_title:last-child {
    bottom: 25%;
    left: 0;
  }
  .banner_bg .layui_icon {
    max-width: 30px;
    width: 100%;
    height: 100%;
    max-height: 30px;
  }
  .banner_bg .layui_icon i {
    font-size: 20px;
  }
}
/*=================================================
案例
======================================================================*/
.case_box {
  position: relative;
  height: 100%;
  padding: 200px 0 0;
  margin-bottom: 50px;
}
.case_box .case_title .title_top {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-family: Source Han Sans CN-Medium;
  font-weight: 500;
  color: #000;
  letter-spacing: 1.21px;
}
.case_box .case_title .title_top::after {
  content: '';
  display: block;
  margin-left: 15px;
  width: 120px;
  height: 2px;
  color: #000;
}
.case_box .case_title h3 {
  margin: 38px 0 8px;
  font-size: 36px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 700;
  color: #000;
  letter-spacing: 1.92px;
}
.case_box .case_title .title_p {
  font-size: 16px;
  font-family: Source Han Sans CN-Regular;
  font-weight: 400;
  color: #000;
  letter-spacing: 0.96px;
}
.case_box .case_logo {
  max-width: 886px;
  position: absolute;
  bottom: 0;
  right: 0;
}
.case_box .case_logo img {
  width: 100%;
}
.case_list {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
}
.case_list .list_img {
  position: relative;
  width: calc(100% / 3);
  overflow: hidden;
}
.case_list .list_img img {
  display: block;
  width: 100%;
  transform: scale(1);
  transition: all 0.6s;
}
.case_list .list_img > span {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  transform: translate(-50%);
  font-size: 24px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: center;
  color: #ffffff;
  letter-spacing: 1.2px;
}
.case_list .list_img .hover_title {
  width: 80%;
  position: absolute;
  z-index: 5;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  right: 0;
  margin: 0 auto;
  flex-direction: column;
  display: none;
}
.case_list .list_img .hover_title span {
  font-size: 24px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: center;
  color: #333333;
  letter-spacing: 1.2px;
}
.case_list .list_img .hover_title i {
  font-size: 24px;
  font-family: Source Han Sans CN;
  font-weight: ExtraLight;
  text-align: center;
  color: #333333;
  letter-spacing: 1.61px;
}
.case_list .list_img::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 1;
  max-width: 488px;
  max-height: 381px;
  width: 80%;
  height: 80%;
  opacity: 0.9;
  background: #ffffff;
}
.case_list .list_img::before {
  position: absolute;
  z-index: 1;
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: #333;
  opacity: 0.5;
}
.case_list .list_img:hover img {
  transform: scale(1.1);
}
.case_list .list_img:hover > span {
  display: none
        ;
}
.case_list .list_img:hover .hover_title {
  display: flex;
}
.case_list .list_img:hover::after {
  display: block;
  content: '';
}
.case_list .list_img:hover::before {
  display: none;
}
.to_more {
  margin: 80px 0 0;
  display: flex;
  justify-content: center;
}
.to_more a {
  transition: all 0.3 s;
  padding: 14px 56px;
  box-sizing: border-box;
  border: 1px solid #333333;
  font-size: 20px;
  font-family: Source Han Sans CN-Regular;
  font-weight: 500;
  text-align: justifyLeft;
  color: #333333;
  line-height: 41px;
  letter-spacing: 0.8px;
}
.to_more:hover a {
  transition: all 0.3s;
  background-color: #333333;
  color: #ffffff;
}
@media screen and (max-width: 1600PX) {
  .case_box {
    padding: 100px 0 0;
  }
  .case_box .case_title h3 {
    font-size: 40px;
    margin: 20px 0 20px;
  }
  .case_box .case_logo {
    max-width: 500px;
  }
}
@media screen and (max-width: 1400PX) {
  .case_box {
    padding: 100px 0 0;
  }
  .case_box .case_title h3 {
    margin: 20px 0 20px;
  }
  .case_box .case_logo {
    max-width: 500px;
  }
  .case_list .list_img > span {
    font-size: 24px;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
  }
  .case_list .list_img .hover_title {
    position: absolute;
    z-index: 5;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    margin: 0 auto;
    flex-direction: column;
    display: none;
  }
  .case_list .list_img .hover_title span {
    font-size: 24px;
    font-family: Source Han Sans CN-Bold;
    font-weight: 700;
    text-align: center;
    color: #333333;
    letter-spacing: 1.2px;
  }
  .case_list .list_img .hover_title i {
    font-size: 26px;
    font-family: Source Han Sans CN;
    font-weight: ExtraLight;
    text-align: center;
    color: #333333;
    letter-spacing: 1.61px;
  }
  .case_list .list_img::after {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1;
    max-width: 488px;
    max-height: 381px;
    width: 80%;
    height: 80%;
    opacity: 0.9;
    background: #ffffff;
  }
  .case_list .list_img:hover img {
    transform: scale(1.1);
  }
  .case_list .list_img:hover > span {
    display: none;
  }
  .case_list .list_img:hover .hover_title {
    display: flex;
  }
  .case_list .list_img:hover::after {
    display: block;
    content: '';
  }
  .to_more {
    margin: 60px 0 0;
    display: flex;
    justify-content: center;
  }
  .to_more a {
    padding: 15px 60px;
  }
  .to_more:hover a {
    transition: all 0.3s;
    background-color: #333333;
    color: #ffffff;
  }
}
@media screen and (max-width: 1000PX) {
  .case_box .case_title h3 {
    font-size: 40px;
  }
  .case_list .list_img {
    width: calc(100% / 2);
  }
}
@media screen and (max-width: 768PX) {
  .case_box {
    padding: 46px 0 0;
  }
  .case_box .case_title .title_top {
    font-size: 20px;
  }
  .case_box .case_title h3 {
    margin: 10px 0 10px;
    font-size: 30px;
  }
  .case_box .case_title .title_p {
    font-size: 16px;
  }
  .case_box .case_logo {
    max-width: 300px;
  }
  .case_list .list_img {
    width: calc(100% / 2);
  }
  .case_list .list_img > span {
    font-size: 18px;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    right: 0;
  }
  .case_list .list_img .hover_title span {
    font-size: 18px;
    font-family: Source Han Sans CN-Bold;
    font-weight: 700;
    text-align: center;
    color: #333333;
    letter-spacing: 1.2px;
  }
  .case_list .list_img .hover_title i {
    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: ExtraLight;
    text-align: center;
    color: #333333;
    letter-spacing: 1.61px;
  }
  .to_more {
    margin: 50px 0 0;
    display: flex;
    justify-content: center;
  }
  .to_more a {
    padding: 5px 30px;
    font-size: 16px;
  }
  .to_more:hover a {
    transition: all 0.3s;
    background-color: #333333;
    color: #ffffff;
  }
}
/*=============================================================
服务
==========================================================================*/
.service_bg {
  margin-top: 120px;
  background-color: #F4F4F4;
}
.service_bg .service_content {
  padding: 20px 0 80px;
  display: flex;
}
.service_bg .service_content .service_list {
  position: relative;
  overflow: hidden;
  transition: all 0.5s;
  padding: 57px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  margin-right: 34px;
  width: calc((100% - 34px * 2)/3);
  background-color: #ffffff;
}
.service_bg .service_content .service_list::after {
  content: '';
  position: absolute;
  top: -10%;
  left: 0;
  width: 150%;
  height: 110%;
  background: #fff;
  -webkit-transform: rotate3d(0, 0, 1, -85deg) translate3d(0, -30em, 0);
  transform: rotate3d(0, 0, 1, -45deg) translate3d(0, -30em, 0);
  -webkit-transform-origin: 0% 100%;
  transform-origin: 0% 100%;
  -webkit-transition: -webkit-transform 0.5s, opacity 0.5s, background-color 0.5s;
  transition: transform 0.8s, opacity 0.8s, background-color 0.8s;
}
.service_bg .service_content .service_list:hover {
  transition: all 0.3s;
  box-shadow: 2px 3.46px 24px 4px rgba(0, 0, 0, 0.1);
}
.service_bg .service_content .service_list:hover::after {
  background: #000;
  -webkit-transform: rotate3d(0, 0, 1, 0deg) translate3d(0, 1em, 0);
}
.service_bg .service_content .service_list:hover .service_image {
  overflow: hidden;
  z-index: 2;
}
.service_bg .service_content .service_list:hover .service_image img {
  width: 100%;
  position: relative;
  left: -100px;
  filter: drop-shadow(#fff 100px 0);
}
.service_bg .service_content .service_list:hover .service_image object:first-child {
  display: none;
}
.service_bg .service_content .service_list:hover .service_image object:last-child {
  display: block;
}
.service_bg .service_content .service_list:hover h4 {
  color: #ffffff;
  z-index: 2;
}
.service_bg .service_content .service_list:hover .service_nav {
  z-index: 2;
}
.service_bg .service_content .service_list:hover .service_nav li {
  color: #ffffff;
}
.service_bg .service_content .service_list:last-child {
  margin-right: 0;
}
.service_bg .service_content .service_list .service_image img {
  width: 100%;
}
.service_bg .service_content .service_list .service_image object:first-child {
  display: block;
}
.service_bg .service_content .service_list .service_image object:last-child {
  display: none;
}
.service_bg .service_content .service_list h4 {
  margin: 32px 0 34px;
  font-size: 26px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 800;
  text-align: center;
  color: #000;
  letter-spacing: -0.51px;
}
.service_bg .service_content .service_list .service_nav li {
  font-size: 16px;
  font-family: Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: left;
  color: #333333;
  line-height: 32px;
  letter-spacing: -0.39px;
}
@media screen and (max-width: 1000PX) {
  .service_bg {
    margin-top: 65px;
  }
  .service_bg .service_content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .service_bg .service_content .service_list {
    margin-right: 0;
    margin-bottom: 40px;
    width: calc((100% - 60px) / 2);
  }
}
@media screen and (max-width: 768PX) {
  .service_bg {
    margin-top: 65px;
  }
  .service_bg .service_content {
    padding: 20px 0 25px;
  }
  .service_bg .service_content .service_list {
    padding: 35px 0;
    margin-bottom: 20px;
    width: 100%;
  }
  .service_bg .service_content .service_list h4 {
    margin: 20px 0;
    font-size: 22px;
  }
  .service_bg .service_content .service_list .service_nav li {
    font-size: 16px;
  }
}
/*=================================================
资讯
============================================================*/
.info_box {
  display: flex;
  position: relative;
}
.info_box .info_left {
  max-width: 928px;
  width: 100%;
  overflow: hidden;
}
.info_box .info_left img {
  width: 100%;
  transform: scale(1);
  transition: all 0.6s;
}
.info_box .info_left:hover {
  cursor: pointer;
}
.info_box .info_left:hover img {
  transform: scale(1.1);
}
.info_box .info_right {
  display: flex;
  flex-direction: column;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  left: -24px;
  padding: 103px 100px 48px 160px;
  box-sizing: border-box;
  max-width: 804px;
  max-height: 378px;
  width: 100%;
  height: 100%;
  background: #ffffff;
  box-shadow: 2px 3.46px 24px 4px rgba(0, 0, 0, 0.06);
}
.info_box .info_right .info_time {
  position: absolute;
  left: -74px;
  background-color: #333333;
  color: #ffffff;
  padding: 15px 24px;
}
.info_box .info_right .info_title {
  font-size: 24px;
  font-family: Source Han Sans CN-Bold;
  font-weight: 500;
  color: #333333;
  letter-spacing: -0.48px;
}
.info_box .info_right p {
  margin: 50px 0 80px;
  font-size: 16px;
  font-family: Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: left;
  color: #999999;
  line-height: 2;
  letter-spacing: -0.36px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.info_box .info_right a {
  font-size: 32px;
}
@media screen and (max-width: 1650PX) {
  .info_box .info_left {
    max-width: 800px;
  }
  .info_box .info_right {
    padding: 60px 50px 42px 80px;
  }
}
@media screen and (max-width: 1400PX) {
  .info_box .info_left {
    max-width: 600px;
  }
  .info_box .info_right {
    max-height: 300px;
    padding: 35px 35px 36px 62px;
  }
  .info_box .info_right p {
    line-height: 1.8;
    font-size: 16px;
  }
}
@media screen and (max-width: 1000PX) {
  .info_box {
    flex-wrap: wrap;
  }
  .info_box .info_left {
    max-width: none;
  }
  .info_box .info_right {
    max-width: none;
    left: 0;
    padding: 100px 35px 35px 35px;
  }
  .info_box .info_right .info_time {
    top: 35px;
    left: 35px;
  }
}
@media screen and (max-width: 768PX) {
  .info_box .info_right {
    max-width: none;
    left: 0;
    padding: 90px 30px 30px 30px;
  }
  .info_box .info_right .info_title {
    font-size: 20px;
  }
  .info_box .info_right .info_time {
    top: 30px;
    left: 30px;
    padding: 10px 15px;
  }
}
/*============================================================
合作
==============================================================================*/
.cooperate_box {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 77px;
}
.cooperate_box a {
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 260px;
  margin-top: 30px;
  margin-right: 25px;
  width: calc((100% - 28px * 5) / 6);
  background-color: #E7E6E6;
  border: 1px solid #fff;
}
.cooperate_box a object {
  width: 60%;
  -webkit-filter: grayscale(100%);
}
.cooperate_box a:hover {
  transition: all 0.3s;
  background-color: #fff;
  border: 1px solid #e7e6e6;
}
.cooperate_box a:hover object {
  -webkit-filter: grayscale(0);
}
.cooperate_box a:nth-child(6n + 6) {
  margin-right: 0;
}
@media screen and (max-width: 1800PX) {
  .cooperate_box a {
    height: 204px;
  }
}
@media screen and (max-width: 1400PX) {
  .cooperate_box a {
    height: 170px;
  }
}
@media screen and (max-width: 1200PX) {
  .cooperate_box a {
    padding: 30px 0;
    margin-right: 30px;
    width: calc((100% - 33px * 3)/4);
  }
  .cooperate_box a:nth-child(6n + 6) {
    margin-right: 30px;
  }
  .cooperate_box a:nth-child(4n + 4) {
    margin-right: 0;
  }
}
@media screen and (max-width: 1000PX) {
  .cooperate_box a {
    padding: 0;
  }
}
@media screen and (max-width: 768PX) {
  .cooperate_box {
    justify-content: space-between;
  }
  .cooperate_box a {
    width: 200px;
    padding: 20px 40px;
    box-sizing: border-box;
    height: 200px;
    margin-right: 0;
  }
  .cooperate_box a:nth-child(6n + 6) {
    margin-right: 0;
  }
  .cooperate_box a:nth-child(4n + 4) {
    margin-right: 0px;
  }
}
@media screen and (max-width: 500PX) {
  .cooperate_box a {
    width: 45%;
    padding: 20px 30px;
    margin-top: 20px;
    height: 150px;
  }
  .cooperate_box a object {
    width: 100%;
  }
}