.home_nav {
  position: fixed;
  top: 43%;
  right: 2%;
  z-index: 99;
  transition: all 0.5s;
}
@media (max-width: 767px) {
  .home_nav {
    display: none;
  }
}
.home_nav > div a {
  display: flex;
  width: 8px;
  height: 8px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.3);
  transition: all 0.5s;
}
.home_nav > div .act {
  height: 28px;
  background-color: #ffffff;
}
.home_nav > div:not(:last-child) {
  margin-bottom: 16px;
}
.index_banner .slick_index_banner {
  height: 100%;
  position: relative;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner {
    width: 100%;
    height: 30vh;
  }
}
.index_banner .slick_index_banner .slick-list {
  height: 100%;
}
.index_banner .slick_index_banner .slick-track {
  height: 100%;
}
.index_banner .slick_index_banner .slick-track > div {
  height: 100%;
}
.index_banner .slick_index_banner .slick-track > div > div {
  height: 100%;
}
.index_banner .slick_index_banner .slick-track > div > div > div {
  height: 100%;
}
.index_banner .slick_index_banner .item {
  position: relative;
  height: inherit;
  width: 100%;
  height: 100%;
}
.index_banner .slick_index_banner .item .zzh_ban_imgbox {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}
.index_banner .slick_index_banner .item .banner_pc_img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-width: 100%;
  min-height: 100%;
}
.index_banner .slick_index_banner .item .banner_mobile_img {
  display: none;
}
.index_banner .slick_index_banner .item .banner_video {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 20;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index_banner .slick_index_banner .item .iosPlayBtn {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 21;
  transform: translate(-50%, -50%);
  font-size: 40px;
  color: #fff;
  opacity: 0.8;
  transition: all 0.5;
}
.index_banner .slick_index_banner .item .more {
  position: absolute;
  top: 40%;
  right: 15%;
  z-index: 30;
}
@media (max-width: 1199px) {
  .index_banner .slick_index_banner .item .more {
    top: unset;
    bottom: 20%;
    right: 10%;
  }
}
.index_banner .slick_index_banner .item .more a {
  display: flex;
  align-items: center;
  position: relative;
  padding-bottom: 15px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .more a {
    padding-bottom: 8px;
  }
}
.index_banner .slick_index_banner .item .more a span {
  font-size: 20px;
  color: #fff;
  margin-right: 30px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .more a span {
    margin-right: 10px;
    font-size: 12px;
  }
}
.index_banner .slick_index_banner .item .more a i {
  color: #fff;
  font-size: 14px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .more a i {
    font-size: 10px;
  }
}
.index_banner .slick_index_banner .item .more a::before {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 50%;
  border-radius: 10px;
  height: 2px;
  background-color: #bf0000;
}
.index_banner .slick_index_banner .item .more a:after {
  position: absolute;
  bottom: 0;
  left: 0;
  border-radius: 10px;
  content: '';
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.3);
}
.index_banner .slick_index_banner .item .tit_box {
  position: absolute;
  top: 0px;
  left: 0px;
  padding-top: 6.25vw;
  padding-left: 7.2917vw;
  height: 100%;
  z-index: 30;
  width: 100%;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .tit_box {
    padding-top: 10px;
  }
}
.index_banner .slick_index_banner .item .tit_box .tit {
  margin-bottom: 9px;
}
.index_banner .slick_index_banner .item .tit_box .tit p {
  color: #222222;
  font-size: 48px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .tit_box .tit p {
    font-size: 24px;
    text-align: center;
  }
}
.index_banner .slick_index_banner .item .tit_box .subtit p {
  color: #222222;
  font-size: 26px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .item .tit_box .subtit p {
    font-size: 14px;
    text-align: center;
  }
}
.index_banner .slick_index_banner .slick-dots {
  position: absolute;
  bottom: 50px;
  left: 50px;
  z-index: 100;
  display: flex;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .slick-dots {
    bottom: 3%;
    left: 3%;
  }
}
.index_banner .slick_index_banner .slick-dots li {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  opacity: 0.5;
  transition: all 0.5s;
}
.index_banner .slick_index_banner .slick-dots li:not(:last-child) {
  margin-right: 30px;
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .slick-dots li:not(:last-child) {
    margin-right: 10px;
  }
}
@media (max-width: 767px) {
  .index_banner .slick_index_banner .slick-dots li {
    font-size: 14px;
  }
}
.index_banner .slick_index_banner .slick-dots .slick-active {
  opacity: 1;
}
@media (max-width: 767px) {
  .index_category .box_bg {
    position: unset;
    transform: unset;
  }
}
.index_category .mainbox {
  padding-top: 70px;
  position: relative;
  z-index: 20;
  height: 100%;
}
@media (max-width: 767px) {
  .index_category .mainbox {
    padding: 10px 0;
  }
}
.index_category .mainbox .mask {
  z-index: 10;
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(18, 68, 115, 0.17) 0%, rgba(7, 21, 35, 0) 42.68%, rgba(3, 10, 17, 0) 73.79%, rgba(0, 0, 0, 0.56) 100%);
  top: 0;
  left: 0;
}
@media (max-width: 767px) {
  .index_category .mainbox .mask {
    display: none;
  }
}
.index_category .mainbox .mainbox_head {
  position: relative;
  z-index: 20;
}
.index_category .mainbox .mainbox_head .box_tit {
  margin-bottom: 30px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .box_tit {
    margin-bottom: 12px;
  }
}
.index_category .mainbox .mainbox_head .box_tit p {
  text-align: center;
  font-size: 40px;
  font-weight: bold;
  color: #fff;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_head .box_tit p {
    font-size: 32px;
  }
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .box_tit p {
    color: #000;
    font-size: 24px;
  }
}
.index_category .mainbox .mainbox_head .box_subtit {
  width: 1165px;
  margin: 0 auto 50px;
  max-width: 100%;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_head .box_subtit {
    padding: 0 20px;
  }
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .box_subtit {
    padding: 0 12px;
    margin-bottom: 10px;
  }
}
.index_category .mainbox .mainbox_head .box_subtit p {
  text-align: center;
  color: #fff;
  font-size: 18px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .box_subtit p {
    color: #000;
    font-size: 14px;
  }
}
.index_category .mainbox .mainbox_head .more {
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .more {
    margin-bottom: 20px;
  }
}
.index_category .mainbox .mainbox_head .more a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 50px;
  border-radius: 50px;
  border: 1px solid #fff;
  transition: all 0.5s;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .more a {
    border-color: #000;
    padding: 10px 30px;
  }
}
.index_category .mainbox .mainbox_head .more a span {
  color: #fff;
  font-size: 18px;
  line-height: 1;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_head .more a span {
    color: #000;
    font-size: 14px;
  }
}
.index_category .mainbox .mainbox_head .more:hover a {
  background-color: rgba(0, 0, 0, 0.6);
}
.index_category .mainbox .mainbox_bottom {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100%;
  transform: translateX(-50%);
  z-index: 30;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom {
    position: unset;
    left: unset;
    bottom: unset;
    z-index: 30;
    transform: unset;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul {
  display: flex;
  align-items: center;
  justify-content: center;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li:not(:last-child) {
  margin-right: 50px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li:not(:last-child) {
    margin-right: 10px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box {
  position: relative;
  z-index: 40;
  margin-bottom: 62px;
  cursor: pointer;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  border: 1px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box {
    width: 42px;
    height: 42px;
    border-color: #000;
    margin-bottom: 10px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box i {
  color: #fff;
  font-size: 35px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box i {
    font-size: 24px;
    color: #000;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box .icon-cl {
  font-size: 28px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box .icon-cl {
    font-size: 24px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box .icon-shezhi {
  font-size: 26px;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .switch_box .icon-shezhi {
    font-size: 24px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slide_box {
  opacity: 0;
  pointer-events: none;
  transition: all 0.5s;
  transform: translateY(20px);
  padding-bottom: 170px;
  padding-top: 130px;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: max-content;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.69) 27.3%, rgba(0, 0, 0, 0.6) 100%);
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slide_box {
    padding: 20px 0 10vh;
    position: absolute;
    z-index: 30;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul {
    flex-wrap: wrap;
    margin: 0 -30px;
    justify-content: flex-start;
  }
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul {
    margin: 0;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li {
  padding: 0 70px;
  position: relative;
}
@media (max-width: 1410px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li {
    padding: 0 30px;
    width: 50%;
  }
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li {
    padding: 0 12px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li:not(:first-child)::before {
  content: '';
  width: 1px;
  height: 82px;
  background-color: #fff;
  position: absolute;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li:not(:first-child)::before {
    display: none;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item {
  text-align: center;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item {
    margin-bottom: 20px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item .tit {
  margin-bottom: 16px;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item .tit {
    margin-bottom: 5px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item .tit p {
  font-size: 16px;
  color: #fff;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item .subtit p {
  font-size: 36px;
  color: #fff;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .parameter_box > ul > li .item .subtit p {
    font-size: 16px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box::before {
  z-index: 30;
  position: absolute;
  content: '';
  width: 30%;
  height: 100%;
  left: 0;
  top: 0;
  background: linear-gradient(268.68deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.4) 100%);
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box::after {
  z-index: 30;
  position: absolute;
  content: '';
  width: 30%;
  height: 100%;
  right: 0;
  top: 0;
  transform: rotate(180deg);
  background: linear-gradient(268.68deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.4) 100%);
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category {
  width: 780px;
  margin: 0 auto;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category {
    width: 40.625vw;
  }
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category {
    width: calc(100vw - 12px);
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category .slick-list {
  overflow: visible;
  margin: 0 -20px;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category .slick-slide {
  padding: 0 20px;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category .item .pic {
  cursor: pointer;
  border-radius: 8px;
  overflow: hidden;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick_index_category .item .pic .img-box {
  padding-bottom: 66.66666667%;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-arrow {
  position: absolute;
  z-index: 40;
  top: 48%;
  transform: translateY(-50%);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  cursor: pointer;
  transition: all 0.5s;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-arrow {
    width: 42px;
    height: 42px;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-arrow::before {
  content: '\e772';
  font-family: iconfont;
  font-size: 20px;
  color: #000;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-arrow:hover {
  background-color: #aa0000;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-arrow:hover::before {
  color: #fff;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-next {
  right: 10%;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-next {
    right: 3%;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-prev {
  left: 10%;
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-prev::before {
  content: '\e602';
  font-family: iconfont;
}
@media (max-width: 1199px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li .slick_box .slick-prev {
    left: 3%;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li:hover .switch_box {
  background-color: #aa0000;
}
@media (max-width: 767px) {
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li:hover .switch_box {
    background-color: rgba(0, 0, 0, 0);
    border-color: #fff;
  }
  .index_category .mainbox .mainbox_bottom .change_bar > ul > li:hover .switch_box .iconfont {
    color: #fff;
  }
}
.index_category .mainbox .mainbox_bottom .change_bar > ul > li:hover .slide_box {
  opacity: 1;
  pointer-events: initial;
  transform: translateY(0px);
}
.index_detailDisplay {
  background-color: #000;
}
.index_detailDisplay .mainbox_head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 50px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_head {
    margin-bottom: 30px;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_head {
    margin-bottom: 15px;
    justify-content: center;
  }
}
.index_detailDisplay .mainbox_head .box_tit p {
  color: #fff;
  font-size: 40px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_head .box_tit p {
    font-size: 32px;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_head .box_tit p {
    font-size: 24px;
    text-align: center;
  }
}
.index_detailDisplay .mainbox_head .more a {
  display: flex;
  align-items: center;
  position: relative;
  padding-bottom: 15px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_head .more a {
    padding-bottom: 5px;
  }
}
.index_detailDisplay .mainbox_head .more a span {
  font-size: 20px;
  color: #fff;
  margin-right: 30px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_head .more a span {
    margin-right: 10px;
    font-size: 14px;
  }
}
.index_detailDisplay .mainbox_head .more a i {
  color: #fff;
  font-size: 14px;
}
.index_detailDisplay .mainbox_head .more a::before {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 50%;
  border-radius: 10px;
  height: 2px;
  background-color: #bf0000;
}
.index_detailDisplay .mainbox_head .more a:after {
  position: absolute;
  bottom: 0;
  left: 0;
  border-radius: 10px;
  content: '';
  width: 100%;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.3);
}
.index_detailDisplay .mainbox_bottom {
  display: flex;
  position: relative;
  z-index: 30;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom {
    flex-direction: column;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_l {
  width: 64.63414634%;
  height: 600px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_l {
    height: calc(100vh - 680px);
    width: 100%;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_l {
    height: calc(100vh - 700px);
  }
}
@media (max-width: 450px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_l {
    height: 150px;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_l .content_box {
  padding: 0 40px 40px 40px;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_l .content_box {
    padding: 0 20px 20px 20px;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_l .content_box {
    padding: 0 12px 12px 12px;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_r {
  height: auto;
  width: 35.36585366%;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r {
    width: 100%;
    height: max-content;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div {
  height: 50%;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div {
    height: calc(100vh - 680px);
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div {
    height: calc(100vh - 700px);
  }
}
@media (max-width: 450px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div {
    height: 150px;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box {
  padding: 0 20px 20px 20px;
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box {
    padding: 0 12px 12px 12px;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box .tit p {
  font-size: 20px;
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box .tit p {
    font-size: 18px;
  }
}
.index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box .subtit p {
  font-size: 16px;
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .mainbox_bottom_r > div a .content_box .subtit p {
    font-size: 14px;
  }
}
.index_detailDisplay .mainbox_bottom .detailbox {
  height: 100%;
  width: 100%;
  overflow: hidden;
  position: relative;
}
.index_detailDisplay .mainbox_bottom .detailbox::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: linear-gradient(177.75deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.48) 100%);
  z-index: 20;
}
.index_detailDisplay .mainbox_bottom .detailbox a {
  height: 100%;
  width: 100%;
  display: flex;
  position: relative;
  z-index: 30;
}
.index_detailDisplay .mainbox_bottom .detailbox a .content_box {
  width: 100%;
  position: relative;
  z-index: 30;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
}
.index_detailDisplay .mainbox_bottom .detailbox a .content_box .tit {
  margin-bottom: 20px;
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .detailbox a .content_box .tit {
    margin-bottom: 8px;
  }
}
.index_detailDisplay .mainbox_bottom .detailbox a .content_box .tit p {
  font-size: 24px;
  color: #fff;
  font-weight: bold;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .detailbox a .content_box .tit p {
    font-size: 20px;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .detailbox a .content_box .tit p {
    font-size: 18px;
  }
}
.index_detailDisplay .mainbox_bottom .detailbox a .content_box .subtit p {
  font-size: 18px;
  color: #fff;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
@media (max-width: 1199px) {
  .index_detailDisplay .mainbox_bottom .detailbox a .content_box .subtit p {
    font-size: 16px;
  }
}
@media (max-width: 767px) {
  .index_detailDisplay .mainbox_bottom .detailbox a .content_box .subtit p {
    font-size: 14px;
  }
}
.index_videoCenter {
  background-color: #000;
}
.index_videoCenter .mainbox_head {
  margin-bottom: 50px;
}
@media (max-width: 1199px) {
  .index_videoCenter .mainbox_head {
    margin-bottom: 30px;
  }
}
@media (max-width: 767px) {
  .index_videoCenter .mainbox_head {
    margin-bottom: 15px;
  }
}
.index_videoCenter .mainbox_head .box_tit {
  width: max-content;
  margin: 0 auto;
  padding-bottom: 15px;
  position: relative;
}
@media (max-width: 767px) {
  .index_videoCenter .mainbox_head .box_tit {
    padding-bottom: 8px;
  }
}
.index_videoCenter .mainbox_head .box_tit::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background-color: #df0622;
}
.index_videoCenter .mainbox_head .box_tit p {
  text-align: center;
  color: #fff;
  font-size: 40px;
}
@media (max-width: 1199px) {
  .index_videoCenter .mainbox_head .box_tit p {
    font-size: 32px;
  }
}
@media (max-width: 767px) {
  .index_videoCenter .mainbox_head .box_tit p {
    font-size: 24px;
  }
}
.index_videoCenter .mainbox_bottom {
  width: 100%;
  overflow: hidden;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box {
  width: 100%;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter {
  width: 680px;
  margin: 0 auto;
  position: relative;
}
@media (max-width: 767px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter {
    width: 540px;
  }
}
@media (max-width: 576px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter {
    width: 375px;
  }
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-list {
  margin: 0 -20px;
  overflow: visible;
}
@media (max-width: 1199px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-list {
    margin: 0;
    overflow: hidden;
  }
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide {
  padding: 0 20px;
}
@media (max-width: 1199px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide {
    padding: 20px 0;
  }
}
@media (max-width: 767px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide {
    padding: 0 12px;
  }
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .item {
  cursor: pointer;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .item:hover img {
  transform: scale(1.1);
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .img-box {
  padding-bottom: 73.52941176%;
  border-radius: 6px;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .pic {
  position: relative;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .pic .icon {
  z-index: 30;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-slide .pic .icon i {
  color: #fff;
  font-size: 54px;
  opacity: 0.8;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #fff;
  width: 62px;
  height: 62px;
  transition: all 0.5s;
  display: none;
}
@media (max-width: 1200px) {
  .index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-arrow {
    display: none;
  }
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-arrow::before {
  content: '';
  font-family: iconfont;
  font-size: 28px;
  color: #000;
  transition: all 0.5s;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-arrow:hover {
  background-color: #aa0000;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-arrow:hover::before {
  color: #fff;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-prev {
  left: -20%;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-prev::before {
  content: '\e72e';
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-next {
  right: -20%;
}
.index_videoCenter .mainbox_bottom .slick_indexVideoCenter_box .slick_indexVideoCenter .slick-next::before {
  content: '\e775';
}
.index_service {
  background-color: #050505;
}
.index_service ul {
  display: flex;
  height: 100%;
}
@media (max-width: 1199px) {
  .index_service ul {
    flex-direction: column;
  }
}
.index_service ul li {
  height: inherit;
  width: 33.33333333%;
  transition: all 0.5s;
}
@media (max-width: 1199px) {
  .index_service ul li {
    width: 100%;
    height: calc(100% / 3);
  }
}
.index_service ul li .item {
  position: relative;
  height: 100%;
  width: 100%;
  overflow: hidden;
}
.index_service ul li .item .bg_box img {
  min-width: auto;
  min-height: 100% !important;
  object-fit: cover;
}
.index_service ul li .item .mask {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}
.index_service ul li .item .mask::before {
  z-index: 1;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  content: '';
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  -ms-backdrop-filter: blur(8px);
  -o-backdrop-filter: blur(8px);
  transition: all 0.5s;
}
@media (max-width: 767px) {
  .index_service ul li .item .mask::before {
    display: none;
  }
}
.index_service ul li .item .mask a {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 30;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.index_service ul li .item .mask a .icon {
  margin-bottom: 40px;
}
.index_service ul li .item .mask a .icon i {
  color: #fff;
  font-size: 50px;
}
.index_service ul li .item .mask a .tit p {
  color: #fff;
  font-size: 26px;
}
.index_service ul li:hover {
  width: 69.58333333%;
}
@media (max-width: 1199px) {
  .index_service ul li:hover {
    width: 100%;
  }
}
.index_service ul li:hover .item .mask::before {
  opacity: 0;
}
.fp-auto-height .fp-tableCell {
  padding-top: unset;
}
@media (max-width: 767px) {
  .fp-tableCell {
    padding-top: unset;
  }
}