.header {
  border-right: 1px solid #fff;
  background: #141414;
  box-sizing: border-box;
  width: 120px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
}

.header .logo {
  padding: 32.0064px 22.0032px;
}

.header .logo img {
  max-width: 100%;
  margin: 0 auto;
  height: 64px;
}

.f15 {
  font-size: 14px;
}

.search {
  position: fixed;
  right: 30px;
  top: 30px;
  width: 248px;
  height: 40px;
  background: #343434;
  border-radius: 4px;
  border: 4px solid #444444;
  z-index: 994;
  padding: 0 8px;
  box-sizing: border-box;
}

.search-icon {
  width: 60px;
  cursor: pointer;
}

.search-icon .icon img {
  height: 14px;
  width: 14px;
  transition: 0.5s;
}

.search-icon .tit {
  font-size: 14px;
  color: #c2c2c2;
  margin-left: 12px;
}

.search-icon.cur .icon img {
  transform: rotate(180deg);
}

.search-icon.cur .down {
  display: block;
}

.swiperBag4 {
  margin-bottom: 6%
}

.down {
  left: -px;
  top: 30px;
  width: 80px;
  font-size: 14px;
  line-height: 30px;
  background: #343434;
  display: none;
}

.down a {
  color: #fff;
  text-align: center;
}

.search-input {
  width: calc(100% - 65px);
}

.search-input input {
  width: calc(100% - 38px);
  background: none;
  color: #fff;
}

.search-input a {
  display: block;
}

.search-input a img {
  height: 24px;
  width: 24px;
}

.nav {
  position: absolute;
  width: 100%;
  bottom: 20.0064px;
  left: 0;
  z-index: 999;
}

.nav li {
  padding: 0 22.0032px;
  box-sizing: border-box;
  line-height: 36px;
}





@media(min-width:1200px) {
  .nav-sec a {
    line-height: 36px;
    font-size: 13.9968px;
    color: #fff;
  }

  .nav-sec {
    position: absolute;
    bottom: 0;
    left: 79.6416px;
    min-width: 110px;
    background: #141414;
    padding: 22.0032px;
    box-sizing: border-box;
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: 0.5s;
    text-align: center;
    padding: 20px 15px;
  }

  .nav li>a {
    color: #fff;
    font-size: 13.9968px;
    text-align: center;


  }

  .nav li:hover>a {
    text-decoration: underline;
  }

  .nav li:hover .nav-sec {
    opacity: 1;
    visibility: visible;
    left: 120px;
  }


  .nav-sec a:hover {
    background: #444;
    border-radius: 5px;
  }

}


.i_video video {
  display: block;
  width: 100%;
  background: #000;
  height: 100vh;
  object-fit: cover;
}

.page {
  padding-left: 120px;
}

.f48 {
  font-size: 0.25rem;
}

.cf {
  color: #fff;
}

.fw {
  font-weight: bold;
}

a,
img {
  display: block;
}

.zhzt {
  font-family: "zixiaohungongshihei";
}

.uppercase {
  text-transform: uppercase;
}

.cloumm {
  height: 1.2083rem;
}

.cloumm .cn {
  position: relative;
  z-index: 2;
}

.cloumm .en {
  margin-top: -0.1092rem;
  position: relative;
  z-index: 1;
}

.swiperIndex img {
  width: 100%;
}

.swiperIndex .swiper-button-prev {
  left: 3% !important;
  opacity: 0;
}

.swiperIndex .swiper-button-next {
  right: 3% !important;
  opacity: 0;
}

.swiperIndex:hover .swiper-button-next,
.swiperIndex:hover .swiper-button-prev {
  opacity: 1;
}


.swiperIndex .swiper-pagination .swiper-pagination-bullet {
  width: 0.0625rem;
  height: 0.0625rem;
  background: #ffffff;
  cursor: pointer;
  box-sizing: border-box;
  text-indent: -52.0781rem;
  overflow: hidden;
  margin: 0 0.026rem;
  border-radius: 0;
  bottom: .1042rem;
}

.swiperIndex .swiper-pagination .swiper-pagination-bullet-active {
  background: #e00b29;
}


.i_us {
  padding: 0.7167rem 0.4688rem 0.7167rem 0.4688rem;
  box-sizing: border-box;
}

.i_us .img {
  width: 4.1667rem;
}

.i_us .img img {
  height: 2.2396rem;
  width: 100%;
}

.i_us .conter {
  width: 3.9583rem;
  margin-left: 0.3125rem;
}

.i_us .conter .txt {
  margin: 10px 0;
  font-size: 14px !important
}

.f42 {
  font-size: 0.2188rem;
}

.f36 {
  font-size: 0.1875rem;
}

.f16 {
  font-size: 16px;
}

.li30 {
  line-height: 30px;
}

.more {
  margin-top: 0.2083rem;
}

.more a {
  width: 0.7292rem;
  line-height: 0.2708rem;
  background: rgba(255, 255, 255, 0);
  border: 2px solid #ffffff;
  font-size: 14px;
  text-align: center;
  color: #fff;
}

.more a:hover {
  background: #fff;
  color: #333;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.fooer {
  background: #1e1e1e;
  padding-top: 0.2083rem;
}

.footer-conter {
  font-size: 14px;
  line-height: 2;
  color: #a5a5a5;
}

.footer-conter p:nth-child(1) {
  font-size: 20px;
}

.footer-icon .icon {
  margin-left: 22px;
}

.footer-icon .icon a img {
  height: 22px;
  width: 22px;
}

.footer-icon .icon:hover .ewm {
  display: block;
}

.footer-icon .ewm {
  height: 152.0064px;
  width: 152.0064px;
  background: #ffffff;
  bottom: 38px;
  left: -68.0064px;
  border-radius: 10.0032px;
  padding: 4.2432px;
  box-sizing: border-box;
  display: none;

  z-index: 1000;
}

.footer-icon .ewm img {
  max-width: 100%;
  margin: 0 auto;
}

.footer-icon .ewm::before {
  border: 9.0048px solid;
  border-color: transparent;
  border-top-color: #fff;
  position: absolute;
  left: 69.0048px;
  bottom: -18.0096px;
  content: "";
}

.f-top {
  padding-bottom: 20px;
}

.copy {
  border-top: 1px solid #3c3c3c;
  line-height: 62px;
  font-size: 14px;
  color: #999;
}

.about .wrap {
  padding: 0.3542rem 0;
}

.about .line {
  background: #707070;
  height: 2px;
  margin: 8px 0 12px 0;
  position: relative;
}

.about .line::after {
  background: url(../images/bg.png) no-repeat right center #fff;
  width: 110px;
  height: 12px;
  position: absolute;
  content: "";
  right: 0;
  top: -6px;
}

.about .txt {
  padding-right: 120px;
  line-height: 1.5;
}

.about .img img {
  width: 100%;
}

.f40 {
  font-size: 0.2083rem;
}

.f24 {
  font-size: 0.125rem;
}

.swiperMountings img {
  width: 100%;
}

.c_e5 {
  color: #e5e5e5;
}

.swiperBag .swiper-slide {
  width: 48%;
}

.swiperBag3 .swiper-slide {
  width: auto
}



.swiperBag .swiper-slide img {
  width: 100%;

}

.swiperBtn .swiper-button-prev {
  left: 1.5521rem;

}

.swiperBtn .swiper-button-next {
  right: 1.5521rem;

}



.swiperBtn .swiper-button-prev::after,
.swiperBtn .swiper-button-next::after {
  color: #fff;
  font-size: 0.3333rem;
  font-weight: 400;
  opacity: 0;
}


.swiperBtn .swiper-button-next {
  height: .349rem;
  width: .1823rem;
  background: url(../images/zuo.png) no-repeat center center;
  background-size: .1823rem .349rem;
}

.swiperBtn .swiper-button-prev {
  height: .349rem;
  width: .1823rem;
  background: url(../images/left.png) no-repeat center center;
  background-size: .1823rem .349rem;

}

.Brand_list {
  padding: 0 0.625rem 0.625rem 0.625rem;
}

.Brand_list ul {
  margin: 0 -0.0781rem;
}

.Brand_list ul li {
  width: 33.3333%;
}

.Brand_list ul li a {
  display: block;
  margin: 0 0.0781rem 0.2083rem 0.0781rem;
}

.Brand_list ul li a .img img {
  width: 100%;
  height: 1.6667rem;
}

.Brand_list ul li a .tit {
  height: 0.6771rem;
  padding: 0.1042rem;
  box-sizing: border-box;
  color: #000;
}

/* .Brand_list ul li a:hover {
  box-shadow: 0rem 0rem 0.0833rem 0.0052rem rgba(0, 0, 0, 0.1);
  border-radius: 0.0521rem 0.0521rem 0.0521rem 0.0521rem;
} */

.f24 {
  font-size: 0.125rem;
}

.li40 {
  line-height: 0.2083rem;
}

.bigImg a {
  display: block;
}

.bigImg .video video,
.bigImg .img img {
  width: 100%;
  height: 85vh;
  object-fit: cover;
  display: block;
}



.thumImg {
  height: 15vh;
}

.thumImg li {
  flex: 1;

}


.thumImg .box {
  cursor: pointer;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
  height: 15vh;

  display: flex;
  align-items: center;
}

.thumImg .box::after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  height: 0.0417rem;
  width: 0;
  background: #999999;
  transition: 0.5s;
}

.thumImg .con {
  border-right: 1px solid #363636;
  width: 100%;
  box-sizing: border-box;
}

.thumImg .con .tit {
  color: #a3a3a3;
}

.thumImg .con .line {
  width: 0.2188rem;
  height: 0.0156rem;
  background: #a3a3a3;
  margin: 0.0521rem auto;
}

.thumImg .con .tit_en {
  color: #474747;
}

.thumImg li.cur .box {
  background: #000;
}

.thumImg li.cur .box::after {
  width: 100%;
}

.thumImg li.cur .con .tit {
  color: #fff;
}

.thumImg li.cur .con .tit_en {
  color: #fff;
}

.f32 {
  font-size: 0.1667rem;
}

.f20 {
  font-size: 0.1042rem;
}

.bg1 {
  background: url(../images/bg.jpg) repeat-y right top;
}

.bg1 {
  padding: 0 0.625rem;
}

.bg1 .en {
  color: rgba(255, 255, 255, 0.3) !important;
}

.tabs a {
  display: block;
  color: #fff;
  margin: 0 30px;
  position: relative;
  padding-bottom: 0.0781rem;
}

.tabs a::after {
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  position: absolute;
  content: "";
  transform: translateX(-50%);
}

.tabs a.cur::after {
  width: 0.25rem;
}

.Technology {
  padding: 0.2604rem 0;
}

.Technology li {
  width: 25%;
}

.Technology li .tit {
  background: rgba(0, 0, 0, 0.51);
  height: 1.25rem;
  text-align: center;
  color: #fff;
  padding: 0.2344rem;
  box-sizing: border-box;
justify-content: center;
}

.Technology li .abs {
  height: 1.25rem;
  background: #000;
  opacity: 1;
  transition: 0.5s;
  left: 0;
  top: 0;
  width: 100%;
}

.Technology li .abs img {
  height: 1.25rem;
  object-fit: scale-down;
  max-width: 100%;
  margin: 0 auto;
}

.Technology li:hover .abs {
  opacity: 0;
}


@media(max-width:1300px) {
  .wrap {
    max-width: 94%;
  }
}

@media(max-width:1400px) {
  .header {
    width: 100px;
  }

  .page {
    padding-left: 100px;
  }

  .nav li {
    padding: 0 10px;
  }

  .nav li:hover .nav-sec {
    left: 100px;
  }

  .header .logo {
    padding: 10px;
  }
}

@media(max-width:1200px) {

  .thumImg,
  .bigImg .video video,
  .bigImg .img img {
    height: auto
  }

  .header {
    width: 100%;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-content: center;
    border: none;
  }

  .header .logo img {
    height: 40px;
    max-width: 100%;
    width: auto;
  }

  .search {
    display: none;
  }

  .mob-nav {
    display: block !important;
  }

  .nav-box {
    height: calc(100vh - 60px);
    position: absolute;
    left: 0;
    top: 60px;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
  }

  .nav {
    position: static !important;
    background: #000;
    padding: 15px;
    border-top: 1px solid #fff;
    box-sizing: border-box;
  }

  .nav li>a {
    line-height: 48px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  }

  .nav li a:hover {
    text-decoration: dashed;
  }

  .nav-sec {
    position: static;
    width: 100%;
    display: none;
  }

  .nav-sec a {
    color: #fff;
    font-size: 16px;
    line-height: 36px;
  }

  .page {
    padding-left: 0;
    padding-top: 60px;
  }

  .i_us .conter,
  .i_us .img {
    width: 48%;
  }

  .f48 {
    font-size: 24px;
  }

  .cloumm {
    height: 140px;
  }

  .fooer {
    padding-top: 30px;
  }

  .Technology {
    justify-content: space-between;
  }

  .Technology li {
    width: 49%;
    margin-bottom: 10px;
  }

  .Technology li .abs img,
  .Technology li .tit,
  .Technology li .abs {
    height: 240px
  }

  .bg1 {
    padding: 0 15px;
  }

}


@media(max-width:900px) {

  .i_us {
    display: block !important;
    padding: 3%;
  }

  .i_us .img img,
  .i_us .conter,
  .i_us .img {
    width: 100%;
  }

  .i_us .img img {
    height: auto;
  }

  .i_us .conter {
    margin: 0;
    padding: 20px 0;
  }

  .more a {
    line-height: 40px;
    width: 120px;
  }

  .f32,
  .f42 {
    font-size: 20px;
  }


  .f40 {
    font-size: 24px;
  }

  .f24,
  .f20,
  .f36 {
    font-size: 18px;
  }

  .about .wrap {
    padding: 20px;
  }

  .about .txt {
    padding-right: 0;
  }

  .footer-icon .icon {
    margin-right: 15px;
    margin-left: 0;
  }

  .footer-icon .ewm {
    bottom: 142px
  }


  .thumImg li {
    flex: auto;
    width: 50%;
  }

  .thumImg .box {
    height: 140px;
    width: 100%;
  }

  .thumImg .con {
    padding: 20px 15px;
  }

  .about .line::after {
    background-size: 40px 8px;
    width: 40px;
  }

  .li40 {
    line-height: auto;
  }

  .thumImg .con .line {
    display: none;
  }

  .Brand_list ul li {
    width: 100%
  }

  .Brand_list ul li a .img img {
    height: auto
  }

  .Brand_list ul li a .tit {
    height: auto;
    padding: 20px 0;
    line-height: 32px;
  }

  .Technology li {
    width: 100%;
  }

  .thumImg .con {
    border-right: none;
  }

}

.parts01 {
  padding-bottom: 6%
}

.gzjh {
  color: #a5a5a5 !important;
}