html,
body {
  width: 100%;
  height: 100%;
  padding: 0px;
  margin: 0px;
  background: #111111;
  overflow: hidden;
}
.swiper-container,
.swiper-wrapper,
.swiper-slide {
  height: 100% !important;
}

.vidbacking-active-body-back {
  position: fixed;
  z-index: -100;
  min-width: 100%;
  min-height: 100%;
  top: 50%;
  left: 50%;
  background-size: cover;
  overflow: hidden;
  opacity: 1;
  transition: 2s opacity;
  transform: translateX(-50%) translateY(-50%);
  max-height: 100%;
}
video {
  object-fit: fill;
  width: 100%;
}
.vidbacking-active-block-back {
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  height: auto;
  width: auto;
  z-index: -100;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}

.vidbacking {
  display: none;
  max-width: 100%;
  max-height: 100%;
}
.vidmask-body-back {
  background: url(../images/vediobg1.png) repeat;
  opacity: 0.4;
  min-height: 100%;
  min-width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -50;
  display: block;
}
.vidmask-block-back {
  background: url(../images/vediobg1.png) repeat;
  opacity: 1;
  min-height: 100%;
  min-width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: auto;
  width: auto;
  z-index: -50;
  display: block;
}
.section_tit_h3,
.section_newtit_h3 {
  color: #fff;
  font-size: 0.28rem;
  text-transform: uppercase;
  letter-spacing: 0.21rem;
  font-family: 'AdobeHeitiStd', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial, sans-serif;
  font-weight: normal;
}
.swiper-container-page .swiper-slide {
  position: relative;
}
.swiper-container-page .section_tit_h3,
.swiper-container-page .section_newtit_h3 {
  position: absolute;
  width: 100%;
  top: 14.6%;
  text-align: center;
  z-index: 999;
}
.swiper-slide-pro .section_tit_h3 {
  top: 10%;
}
.swiper-slide-pro {
  background: #111111;
  font-size: 0.14rem;
  color: #000;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.swiper-container-projectnew.swiper-container {
  transform: scale(1.8);
  width: 100%;
  height: 100%;
  background-color: #111111;
}

.swiper-container-projectnew .swiper-slide {
  text-align: center;
  font-size: 0.18rem;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  transition: 500ms;
  transform: scale(0.8);
  cursor: pointer;
  z-index: -1;
}
.swiper-container-projectnew .swiper-slide a:before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: rgb(17 17 17 / 60%);
  left: 0px;
  top: 0px;
  position: absolute;
  z-index: 2;
}

.swiper-container-projectnew .swiper-slide img {
  width: 100%;
  border-radius: 1px;
}

.swiper-container-projectnew .swiper-slide-active,
.swiper-container-projectnew .swiper-slide-duplicate-active {
  transform: scale(1);
}
.swiper-container-projectnew .swiper-slide-active a:before,
.swiper-container-projectnew .swiper-slide-duplicate-active a:before {
  background: rgb(17 17 17 / 20%);
}

.swiper-pagination-project {
  position: absolute;
  bottom: 25% !important;
  left: 50% !important;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  width: initial !important;
}
.swiper-pagination-project span {
  cursor: pointer;
  display: inline-block;
  border-radius: 0px;
  height: 0.09rem;
  background: none !important;
  padding: 0 0.1rem !important;
  z-index: 10;
  opacity: 1 !important;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  position: relative;
}
.swiper-pagination-project span em {
  width: 1px;
  display: block;
  height: 100%;
  position: absolute;
  top: 50%;
  margin-top: -0.045rem;
  left: 50%;
  margin-left: -0.5px;
  background: #ffffff;
}

.swiper-pagination-project span.swiper-pagination-bullet-active em {
  top: 50%;
  background-color: #ffd900 !important;
  height: 0.19rem;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  margin-top: -0.09rem;
}

.swiper-container-projectnew .swiper-slide-0 .ptxt {
  display: block;
}
.ptxt {
  position: absolute;
  font-size: 0.44rem;
  color: #ffffff;
  text-align: center;
  height: 0.44rem;
  line-height: 0.44rem;
  font-weight: bold;
  top: 50%;
  margin-top: -0.22rem;
  width: 100%;
  display: none;
  padding: 0px 10px;
  z-index: 33;
  font-family: 'SourceHanSansCNBold', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.swiper-pagination-project .swiper-slide {
  position: relative;
}
.swiper-container-project .swiper-slide-active .ptxt,
.swiper-container-project .swiper-slide-duplicate-active .ptxt {
  display: block;
}
.product_wrap,
.copany_wrap {
  height: 100%;
  position: relative;
  overflow: hidden;
}
.product_wrap .productimg {
  position: absolute;
  width: 10.23rem;
  height: 7.09rem;
  right: -1.37rem;
  top: 62%;
  margin-top: -3.545rem;
  overflow: hidden;
}
.swiper-container-vertical > .swiper-pagination-bullets.nav_product {
  right: auto;
  top: auto;
  -webkit-transform: initial;
  transform: initial;
}

.swiper-container-project .swiper-slide a {
  display: block;
  position: relative;
}
.nav_product,
.swiper-container-vertical > .swiper-pagination-bullets.nav_product {
  height: 2.86rem;
  top: 50%;
  margin-top: -1.31rem;
  position: absolute;
  padding-left: 0.27rem;
  z-index: 999;
}
.nav_product a {
  display: block;
  font-size: 0.24rem;
  color: #ffffff;
  color: #a7a7a7;
  height: 0.88rem;
  line-height: 0.88rem;
  position: relative;
  font-family: 'SourceHanSansCNNormal', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.nav_product a.hover {
  color: #fff;
  height: 0.97rem;
  line-height: 0.97rem;
  font-weight: bold;
  font-size: 0.52rem;
  font-family: 'SourceHanSansCNBold', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.nav_product a.hover:before {
  content: '';
  display: block;
  width: 3px;
  height: 0.52rem;
  background: #ffd900;
  position: absolute;
  left: -0.27rem;
  top: 50%;
  margin-top: -0.26rem;
}
.nav_product a.swiper-pagination-bullet {
  width: auto;
  height: auto;
  display: block;
  border-radius: 0px;
  background: none;
  opacity: 0;
}
.swiper-product-tab
  .swiper-container-vertical
  > .swiper-product-tab
  .swiper-pagination-bullets
  .swiper-pagination-bullet {
  margin: auto;
}
.nav_company {
  right: 0px;
}
.nav_company a {
  display: block;
  font-size: 0.16rem;
  color: #a7a7a7;
  line-height: 0.36rem;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  padding-left: 25px;
  font-family: 'SourceHanSansCNNormal', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.nav_company a:before {
  content: '';
  display: block;
  background: #ffd900;
  width: 10px;
  height: 1px;
  position: absolute;
  left: 0px;
  top: 50%;
  margin-top: -0.5px;
}
.copany_info {
  width: 100%;
}
.copany_info h3 {
  font-weight: bold;
  color: #ffffff;
  font-size: 0.34rem;
  margin-bottom: 0px !important;
  font-family: 'SourceHanSansCNBold', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.copany_info p {
  font-size: 0.14rem;
  color: #a7a7a7;
  line-height: 0.36rem;
  letter-spacing: 2px;
  font-family: 'SourceHanSansCNNormal', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
  position: absolute;
  bottom: 0px;
  max-width: 53.6%;
}
.copany_info,
.nav_company {
  height: 2.54rem;
  top: 50%;
  margin-top: -1.27rem;
  position: absolute;
}

.swiper-container-page .section_newtit_h3 {
  top: 14%;
  text-align: left;
  padding-left: 0.18rem;
  position: static;
}
.swiper-container-page .section_newtit_h3:before {
  content: '';
  display: block;
  width: 3px;
  height: 0.3rem;
  background: #ffd900;
  top: 0.1rem;
  position: absolute;
  left: 0px;
}

.contact_wrap {
  margin-top: 13%;
  position: relative;
  height: 3.57rem;
}
.contact_item dt {
  font-size: 0.24rem;
  color: #ffffff;
  font-weight: normal;
  font-family: 'SourceHanSansCN-Medium', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
  margin-bottom: 7px;
}
.contact_item dd {
  font-size: 0.14rem;
  color: #dfdfdf;
  line-height: 0.3rem;
  font-family: 'SourceHanSansCNNormal', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
}
.contact_item:nth-of-type(1) {
  position: absolute;
  top: 0px;
  left: 0px;
}
.contact_item:nth-of-type(2) {
  position: absolute;
  top: 45%;
  left: 0px;
  transform: translateY(-50%);
}
.contact_item:nth-of-type(3) {
  position: absolute;
  bottom: 0px;
  left: 0px;
}

.contact_map {
  width: auto;
  height: 100%;
  position: absolute;
  right: 0px;
  top: 0px;
  border: solid 1px #282a2c;
}
.contact_wx {
  width: 120px;
  height: 120px;
  position: absolute;
  left: 50%;
  margin-left: -60px;
  bottom: 13%;
}
.social {
  width: 100%;
  text-align: center;
  position: absolute;
  bottom: 7.5%;
}
.social a,
.social img {
  display: inline-block;
}
.social a {
  margin-left: 0.53rem;
}
.social img {
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.social a:nth-of-type(1) {
  margin-left: 0px;
}
.index_footer {
  font-size: 14px;
  color: #666666;
  font-family: 'SourceHanSansCNNormal', 'Microsoft YaHei', Helvetica Neue, Helvetica, Arial,
    sans-serif;
  bottom: 0px;
  width: 100%;
  text-align: center;
  position: absolute;
  line-height: 48px;
  left: 0px;
  border-top: solid 1px #212222;
}
.index_footer a {
  color: #666666;
}
.swiper-slide-contact .imgline {
  width: 100%;
  height: 54px;
  overflow: hidden;
  background: url(../images/line_bg.png) center center no-repeat;
  background-size: 100% auto;
  position: absolute;
  bottom: 17%;
}
.imgbgbot {
  position: absolute;
  left: 22.5%;
  bottom: 0px;
}
.footer_index {
  margin-left: 0px !important;
  color: #666;
  text-align: center;
  font-size: 14px;
  padding-top: 10px;
}
.swiper-slide-company .imgbgbot1 {
  left: 16%;
  position: absolute;
  bottom: -10%;
}
.swiper-slide-company .imgbgbot2 {
  position: absolute;
  bottom: -10%;
  right: 30%;
}
.swiper-slide-company .imgbgbot3 {
  position: absolute;
  top: -10%;
  right: 32%;
}

.imgbg_pro1 {
  left: 22%;
  position: absolute;
  bottom: -10%;
}
.imgbg_pro2 {
  right: 38%;
  position: absolute;
  bottom: -10%;
}
.imgbg_pro3 {
  position: absolute;
  top: -10%;
  right: 20%;
}

.imgbg_project1 {
  right: 18%;
  position: absolute;
  bottom: -10%;
}
.imgbg_project2 {
  position: absolute;
  top: 0%;
  right: 24%;
}
@media screen and (max-width: 1370px) {
  .section_tit_h3,
  .section_newtit_h3 {
    font-size: 22px;
  }
  .nav_product a.hover {
    font-size: 39px;
    line-height: 77px;
  }
  .nav_product a {
    font-size: 18px;
    line-height: 66px;
  }
  .nav_product,
  .swiper-container-vertical > .swiper-pagination-bullets.nav_product {
    height: 220px;
    margin-top: -110px;
  }
  .nav_product a.hover:before {
    height: 39px;
    margin-top: -19.5px;
  }
  .product_wrap .productimg {
    width: 869px;
    height: 602px;
    margin-top: -301px;
    top: 60%;
    right: -89px;
  }
  .copany_info h3 {
    font-size: 30px;
    margin-bottom: 45px;
  }
  .contact_item dt {
    font-size: 20px;
  }
  .contact_wx {
    width: 70px;
    height: 70px;
    margin-left: -35.5px;
    bottom: 15%;
  }
  .social a {
    margin-left: 39px;
  }
  .contact_wrap {
    margin-top: 16%;
  }
  .ptxt {
    font-size: 28px;
    line-height: 43px;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
  }
  .swiper-container-project .swiper-slide img {
    margin-top: 23px;
  }
  .swiper-pagination-project span {
    height: 0.13rem;
  }
  .swiper-pagination-project span.swiper-pagination-bullet-active {
    height: 0.28rem;
  }
  .copany_info p {
    font-size: 14px;
  }
  .swiper-container-project .swiper-slide img {
    max-width: 60% !important;
  }
  .swiper-container-project .swiper-slide-active img,
  .swiper-container-project .swiper-slide-duplicate-active img {
    width: 70% !important;
    max-width: 70% !important;
    margin: 0px 15%;
  }
  .swiper-container-project {
    margin-top: 11.5%;
  }
  .contact_item dd {
    line-height: 24px;
  }
  .swiper-slide-contact .imgline {
    bottom: 16%;
  }
}

@media screen and (max-width: 1080px) {
  .wrapper {
    width: 100%;
    max-width: 96%;
    min-width: initial;
    margin-left: auto;
    margin-right: auto;
  }
  .swiper-container,
  .swiper-wrapper,
  .swiper-slide {
    height: 100vh !important;
  }
  .starton {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 50%;
    margin-top: -25px;
    left: 50%;
    margin-left: -25px;
  }

  .vidbacking {
    display: block;
  }
  video {
    object-fit: cover;
  }
  .swiper-container-projectmob,
  .swiper-product-tab {
    max-height: 90%;
    overflow: hidden;
  }
  .swiper-slide-contact {
    max-height: 99.5%;
    overflow: hidden;
  }
  .swiper-slide-contact.otherweb {
    max-height: -webkit-calc(100% - 65px);
    max-height: -moz-calc(100% - 65px);
    max-height: calc(100% - 65px);
  }
  .swiper-slide-contact.otherweb .contact_item dd {
    line-height: 20px;
  }
  .swiper-slide-contact.otherweb .contact_item dt {
    margin-bottom: 2px;
  }
  .index_footer {
    line-height: 36px;
  }
  .swiper-container-projectmob {
    width: 100%;
    padding-top: 30vh;
    position: relative;
  }
  .swiper-container-projectmob .swiper-slide-active,
  .swiper-container-projectmob .swiper-slide-duplicate-active,
  .swiper-container-projectmob .swiper-slide {
    transform: scale(1);
  }
  .swiper-container-projectmob .swiper-slide {
    height: auto !important;
  }
  .swiper-container-projectmob .swiper-slide a {
    display: block;
  }
  .swiper-container-projectmob .swiper-slide a:before {
    content: '';
    display: block;
    position: absolute;
    left: 0px;
    top: 0px;
    background: rgb(17 17 17 / 10%);
    width: 100%;
    height: 100%;
    z-index: 33;
  }
  .swiper-pagination-projectmob {
    bottom: 16.5% !important;
    position: absolute;
    text-align: center;
  }
  .swiper-pagination-projectmob span {
    margin: 0 3px !important;
    padding: 0 8px !important;
  }
  .swiper-pagination-projectmob span {
    cursor: pointer;
    display: inline-block;
    border-radius: 0px;
    height: 18px;
    background: none !important;
    padding: 0 10px !important;
    z-index: 10;
    opacity: 1 !important;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
  }
  .swiper-pagination-projectmob span em {
    width: 1px;
    display: block;
    height: 100%;
    position: absolute;
    left: 50%;
    margin-left: -0.5px;
    background: #ffffff;
  }

  .swiper-pagination-projectmob span.swiper-pagination-bullet-active {
    position: relative;
    background: none !important;
  }
  .swiper-pagination-projectmob span.swiper-pagination-bullet-active em {
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    background-color: #ffd900 !important;
    height: 38px;
    top: 50%;
    margin-top: -19px !important;
  }
  .ptxt {
    font-size: 22px;
    font-weight: bold;
    display: block;
    z-index: 44;
    line-height: 43px;
    height: 43px;
    margin-top: -22px;
  }
  .swiper-container-page .section_tit_h3,
  .swiper-container-page .section_newtit_h3 {
    top: 20vh;
  }
  .section_tit_h3,
  .section_newtit_h3 {
    letter-spacing: 0px;
    font-size: 23px;
  }
  .nav_product,
  .swiper-container-vertical > .swiper-pagination-bullets.nav_product {
    height: 50px !important;
    width: 100%;
    height: auto;
    top: 30vh;
    margin-top: 0px;
    padding-left: 0px;
    text-align: center;
  }
  .swiper-product-tab.swiper-container-vertical
    > .swiper-pagination-bullets
    .swiper-pagination-bullet,
  .nav_product a.swiper-pagination-bullet {
    margin: 0px 13px !important;
    display: inline-block;
  }
  .nav_product a.hover {
    font-size: 22px;
    line-height: 40px;
  }
  .nav_product a {
    font-size: 18px;
    line-height: 40px;
  }
  .nav_product a.hover:before {
    width: 100%;
    height: 1px;
    left: 0px;
    bottom: 0px;
    top: initial;
    margin-top: 0px;
  }
  .product_wrap .productimg {
    width: 100%;
    right: 0px;
    top: 40vh;
    height: auto;
    margin-top: 0px;
    bottom: initial;
  }
  .imgbg_pro2,
  .imgbg_pro1,
  .swiper-slide-company .imgbgbot3,
  .swiper-slide-company .imgbgbot2,
  .swiper-slide-company .imgbgbot1 {
    display: none;
  }
  .copany_info h3 {
    font-size: 18px;
    margin-bottom: 38px !important;
    text-align: center;
  }
  .copany_info {
    margin-top: 28vh;
    max-width: 100%;
    width: 100%;
    position: static;
    height: auto;
  }
  .copany_info p {
    line-height: 25px;
    letter-spacing: 0px;
    position: static;
    max-width: 100%;
  }

  .nav_company {
    position: static;
    width: 100%;
    height: auto;
    margin-top: 20px;
  }
  .nav_company a {
    font-size: 14px;
    display: block;
    line-height: 25px;
    padding-left: 10px;
  }
  .nav_company a:nth-of-type(even) {
    float: right;
    width: 40%;
  }
  .nav_company a:nth-of-type(odd) {
    float: left;
    width: 60%;
  }
  .nav_company a:before {
    width: 5px;
  }
  .contact_wrap.wrapper {
    width: 100%;
    margin-left: 0px;
    margin-right: 0px;
    margin-top: 30vh;
    max-width: 100%;
    overflow: hidden;
  }
  .swiper-slide-contact .imgline {
    bottom: 16vh;
  }
  .swiper-container-page .section_newtit_h3:before {
    top: 0px;
    height: 24px;
  }
  .contact_item dt {
    font-size: 18px;
  }
  .contact_map_a {
    position: absolute;
    z-index: -1;
    opacity: 0.3;
    display: block;
    top: 50%;
    transform: translateY(-80%);
  }
  .contact_map {
    display: none;
  }
  .social a {
    margin-left: 10px;
  }
  .contact_wx {
    width: 75px;
    height: 75px;
    bottom: 15vh;
    margin-left: -37.5px;
  }
  .contact_item dd {
    line-height: 27px;
    font-size: 14px;
  }
  .contact_item dd a {
    color: #dfdfdf;
  }
  .contact_wrap {
    height: auto;
  }
  .contact_item:nth-of-type(1),
  .contact_item:nth-of-type(2),
  .contact_item:nth-of-type(3) {
    margin-bottom: 10px;
    text-align: center;
    width: 100%;
    position: static;
    padding-left: 0px;
  }
}
@media screen and (max-width: 350px) {
  .nav_product a.hover {
    font-size: 18px;
  }
  .copany_info p,
  .nav_company a {
    font-size: 13px;
  }
  .contact_item dt {
    font-size: 16px;
  }
}