html,
body {
  scroll-behavior: smooth;
  /* height:100%;overflow:auto;margin: 0; */
}

video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper,
.swiper-wrapper {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  background-color: #fff;
}

.desc-box {
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.desc-box.left {
  align-items: flex-start;
}
.desc-box-title {
  font-size: 48px;
  font-size: clamp(26px, 2.4vw, 48px);
  line-height: 46px;
  line-height: clamp(26px, 2.4vw, 48px);
  margin-bottom: 32px;
  margin-bottom: clamp(16px, 1.6vw, 32px);
}
.desc-box-content {
  font-family: HarmonyOS Sans;
  font-size: 24px;
  font-size: clamp(16px, 1.25vw, 24px);
  line-height: 42px;
}
.desc-box.small .desc-box-title {
  font-size: 42px;
  font-size: clamp(26px, 2vw, 42px);
}
.desc-box.small .desc-box-content {
  font-size: 18px;
}


.section_full {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.section_full .bg {
  height: 100%;
  width: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

/* 文案形貌第一类 */
.text-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
}

.text-box.black {
  color: #181b24;
}

.text-box p {
  font-size: 24px;
  line-height: 62px;
  letter-spacing: 0.1em;
}

.text-box h2 {
  font-size: 46px;
  line-height: 62px;
  letter-spacing: 0.15em;
}

/* 对齐方法 */
.text-box.left {
  align-items: flex-start;
}

.swiper-nav {
  display: flex;
  gap: 20px;
  justify-content: space-between;
}

.swiper-nav-item {
  flex: 1;
  font-size: 28px;
  color: #B1B3B5;
  text-align: center;
  border-bottom: 2px solid #CDCED1;
  line-height: 76px;
  cursor: pointer;
  transition: all .5s;
}

.swiper-nav-item.active {
  color: #1A1B1B;
  border-bottom: 2px solid #1A1B1B;
}

.swiper-content {
  position: relative;
  padding: 42px 0 68px;
  text-align: center;
  font-size: 16px;
  line-height: 30px;
}

.swiper-content>div {
  display: none;
  transition: all .5s;
  opacity: 0;
}

.swiper-content>div.active {
  display: block;
  opacity: 1;
}

.swiper-slider-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1438/630;
  overflow: hidden;
}

.vt35-sec-auto.vt35-sec-auto-black .swiper-nav-item {
  color: #555657;
  text-align: center;
  border-bottom: 2px solid #555657;
}

.vt35-sec-auto.vt35-sec-auto-black .swiper-nav-item.swiper-nav-item.active {
  color: #fff;
  border-bottom: 2px solid #fff;
}

.vt35-sec-auto.vt35-sec-auto-black .swiper-content {
  color: #fff;
}

.vt35-sec-auto .swiperAuto-button-prev,
.vt35-sec-auto .swiperAuto-button-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  transition: all 0.5s;
  background-color: #1A1B1B;
  opacity: 0;
}

.swiper-slider-box:hover .swiperAuto-button-prev,
.swiper-slider-box:hover .swiperAuto-button-next {
  opacity: 0.4;
}

.vt35-sec-auto .swiperAuto-button-prev {
  left: 40px;
}

.vt35-sec-auto .swiperAuto-button-next {
  right: 40px;
}

.vt35-sec-auto .swiperAuto-button-prev:hover,
.vt35-sec-auto .swiperAuto-button-next:hover {
  border-color: #1A1B1B;
  opacity: 0.8;
}

.vt35-sec-auto .swiperAuto-button-prev::after {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -4px;
  margin-left: -4px;
  display: block;
  content: '';
  width: 8px;
  height: 8px;
  border-top: 2px solid #CDCED1;
  border-right: 2px solid #CDCED1;
  transform: rotate(-135deg);
  transition: all 0.5s;
}

.vt35-sec-auto .swiperAuto-button-next::after {
  position: absolute;
  top: 50%;
  right: 50%;
  margin-top: -4px;
  margin-right: -4px;
  display: block;
  content: '';
  width: 8px;
  height: 8px;
  border-top: 2px solid #CDCED1;
  border-right: 2px solid #CDCED1;
  transform: rotate(45deg);
  transition: all 0.5s;
}


.vt35-sec {
  position: relative;
  width: 100%;
  background-color: #f8f9fa;
  aspect-ratio: 1920/970;
  /* 凭证你的现实图片宽高比调解 */
  /* max-height: 100vh; */
  /* 限制最大高度 */
  margin: 0 auto;
  min-height: 660px;
}

.vt35-sec-1 {
  background-image: url(/Public/cn/ehangweb/image/vt35/index1.jpg);
  background-position: center;
  background-size: cover;
  position: relative;
}

.vt35-sec-1 .eh-container {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 100%;
  padding-top: 10vw;
  z-index: 99;
}
.vt35-sec-1 .eh-container .one-title {
  display: flex;
  align-items: center;
  font-size: 48px;
  font-size: clamp(26px, 2.5vw, 48px);
  gap: 10px;
}

.vt35-sec-1 .eh-container .one-title img {
  height: 40px;
  height: clamp(20px, 2vw, 40px);
}

.vt35-sec-2 {
  background-image: url(/Public/cn/ehangweb/image/vt35/index2.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  aspect-ratio: 1920/970;
  background-position: center;
  /* max-height: 100vh; */
  padding-top: 7.2vw;
}

.vt35-sec-3 {
  background-image: url(/Public/cn/ehangweb/image/vt35/new3.jpg);
  background-position: center;
  background-size: cover;
  background-position: center;
  padding-top: 7.2vw;
}

.vt35-sec-3 .eh-container {
  height: 100%;
  align-items: center;
}

.parameter {
  margin: 0 auto;
  display: flex;
  justify-content: center;
  color: rgba(242, 242, 242, 0.74);
}

.parameter-item {
  /* width: 200px; */
  flex: 1;
  padding: 0px 60px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.parameter-item.s2 {
  border-left: 1px solid rgba(232, 234, 237, .10);
}

.parameter-item div {
  white-space: nowrap;
}

.parameter-item p {
  line-height: 1.2em;
  margin: 10px 0;
  white-space: nowrap;
}

.parameter-item span {
  font-size: 36px;
  color: rgba(242, 242, 242, 1);
}

.vt35-sec-auto {
  background-color: #F6F6F6;
  padding: 14vh 0 14vh;
  padding: 6.2vw 0 6.2vw;
}

.vt35-sec-auto.vt35-sec-auto-black {
  background-color: #060A0F;
}

.vt35-sec-4 {
  background-color: #fff;
}

.vt35-sec-4 .oper-index2-page {
  display: none;
  text-align: center;
  margin-top: 25vw;
}

.vt35-sec-4 .eh-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 62px;
  padding: 5.5vw 0 5.5vw;
}
.vt35-sec-4 .desc-box-title {
  margin-bottom: 36px;
  text-align: center;
}
.vt35-sec-4 .small-p {
  font-size: 18px;
  line-height: 36px;
  text-align: center;
  padding: 0 60px;
} 

.vt35-sec-4 .imgauto-box {
  aspect-ratio: 1438/688;
  overflow: hidden;
  text-align: center;
}

.vt35-sec-4 .imgauto-box img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1438/688;
}

.vt35-sec-5 {
  background-image: url(/Public/cn/ehangweb/image/vt35/index5.jpg);
  background-position: center;
  background-size: cover;
  background-color: #000;
  overflow: hidden;
}

.vt35-sec-5 .eh-container {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  padding-bottom: 20vh;
  gap: 10vh
}

.vt35-sec-6 {
  background-image: url(/Public/cn/ehangweb/image/vt35/index6.jpg);
  background-position: center;
  background-size: cover;
  padding-top: 40vh;
}

.vt35-sec-6 .eh-container {
  display: flex;
  height: 100%;
}

.vt35-sec-8 {
  background-image: url(/Public/cn/ehangweb/image/vt35/index8.jpg);
  background-position: center;
  background-size: cover;
  padding-top: 14vh;
}

.fedeBox,
.fedeBox2 {
  transition: all 0.8s ease-out;
  opacity: 0;
  transform: translateY(50px);
}

.fedeBox.showFade {
  opacity: 1;
  transform: translateY(0px);
}

.vt35-sec-15 {
  position: relative;
  padding: 5vw 0 3vw;
  background-color: #fff;
}

.vt35-sec-15 .desc-box-title {
  text-align: center;
  margin-bottom: 60px;
}

.vt35-sec-15 .control-box {
  height: 140px;
  width: 1440px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vt35-sec-15 .control-box .control-box-button {
  position: relative;
  width: 100px;
}

.swiper-container {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.swiper-container:hover {
  cursor: pointer;
}

.swiper-slide {
  width: 100%;
  height: 100%;
  position: relative;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vt35-sec-15 .my-button-prev,
.vt35-sec-15 .my-button-next {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  transition: all 0.5s;
  background-color: hsla(0, 0%, 92.5%, .6);
  font-size: 20px;
}

.vt35-sec-15 .my-button-prev {
  left: 0px;
}

.vt35-sec-15 .my-button-next {
  right:0px;
}

.vt35-sec-15 .my-button-prev:hover,.vt35-sec-15 .my-button-next:hover{
  background-color: #1A1B1B;
}

.vt35-sec-15 .my-button-prev:hover,
.vt35-sec-15 .my-button-prev:hover::after,
.vt35-sec-15 .my-button-next:hover,
.vt35-sec-15 .my-button-next:hover::after {
  color: #fff;
}

.vt35-sec-15 .my-button-prev::after,
.vt35-sec-15 .my-button-next::after {
  font-size: 16px;
  color: #191919;
  transition: all 0.5s;
  font-weight: 700;
}
.vt35-sec-15 .my-button-prev:hover::after,
.vt35-sec-15.my-button-next:hover::after {
  font-size: 16px;
  color: #CDCED1;
  transition: all 0.5s;
  font-weight: 700;
}

.control-box-nav {
  display: flex;
  gap: 10px;
}

.control-box-nav-item {
  width: 20px;
  height: 2px;
  background: #B1B3B5;
}

.control-box-nav-item.active {
  background: #1A1B1B;
}

.vt35-sec-15 .swiper-wrapper {
  align-items: center;
}

/* 设置图片容器的牢靠比例 */
.vt35-sec-15 .swiper-slide {
  /* width: calc(100% - 100px); */
  /* 减去左右距离 */
  max-width: 1440px;
  width: 30%;
  aspect-ratio: 1438/761;
  /* padding: 0 50px; */
  /* 左右各50px，，，，，合计100px距离 */
  box-sizing: border-box;
  /* background-color: #000; */
  margin: 0 30px;
}

/* 图片样式 */
.vt35-sec-15 .swiper-slide img {
  width: 100%;
  object-fit: cover;
  /* aspect-ratio: 1438/761; */
}

.vt35-sec-15 .desc-box {
  position: absolute;
  bottom: 40px;
  left: 50px;
  text-align: left;
  align-items: flex-start;
}

.vt35-sec-15 .desc-box .desc-box-title {
  font-size: 24px;
  font-weight: 500;
  line-height: 48px;
  margin-bottom: 10px;
}

.vt35-sec-15 .desc-box .desc-box-content {
  font-family: HarmonyOS Sans;
  font-size: 16px;
  font-weight: 300;
  line-height: 30px;
}




/* 移动端适配 */
@media screen and (max-width: 768px) {
  .desc-box {
    padding: 0 30px;
  }
  .desc-box-title,.desc-box.small .desc-box-title {
    font-size: 32px;
    line-height: 42px;
    margin-bottom: 15px;
  }
  .desc-box-content,.desc-box.small .desc-box-content {
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    letter-spacing: 0.1em;
  }

  .eh-container {
    width: 100%;
  }

  .vt35-sec {
    position: relative;
    width: 100%;
    background-color: #f8f9fa;
    aspect-ratio: 375/812;
    /* 凭证你的现实图片宽高比调解 */
    /* max-height: auto; */
    /* 限制最大高度 */
    /* height: 100vh; */
    margin: 0 auto;
    overflow: hidden;
  }

  .vt35-sec-1 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m1.jpg);
  }

  .vt35-sec-1 .eh-container {
    height: 100%;
    padding-top: calc(18vh);
  }

  .vt35-sec-1 .eh-container .one-title {
    display: flex;
    align-items: center;
    font-size: 28px;
    flex-direction: column;
    gap: 10px;
  }

  .vt35-sec-1 .eh-container .one-title img {
    height: 35px;
  }

  .vt35-sec-1 .eh-container p.p24 {
    font-size: 16px;
  }

  .vt35-sec-2 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    padding-top: 14vh;
  }
  .vt35-sec-2 .eh-container {
    padding: 0 30px;
  }

  .vt35-sec-3 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m3.jpg);
    padding-top: 14vh;
  }

  .vt35-sec-3 .eh-container {
    padding-bottom: 8vh;
    gap: 10vh
  }

  .vt35-sec-3 .sub-title img {
    height: 35px;
  }

  .parameter {
    flex-wrap: wrap;
  }

  .parameter .parameter-item {
    padding: 0 15px;
    flex: 1 0;
    /* 移动端两列，，，，，gap为10px */
    min-width: 120px;
    margin-bottom: 30px;
    align-items: center;
  }

  .parameter-item span {
    font-size: 26px;
  }

  .vt35-sec-4 .eh-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 8vh 0 8vh;
  }
    .vt35-sec-4 .xiaoshi-box {
      padding: 0 20px;
      text-align: center;
    }
    .vt35-sec-4 .oper-index2-page {
      display: block;
      margin-top: 10px;
    }
                .vt35-sec-4 .swiper-slider-box .swiperAuto-button-prev,
                .vt35-sec-4 .swiper-slider-box .swiperAuto-button-next {
                  display: none;
        }
        .vt35-sec-4 .swiper-pagination-bullet {
          width: 30px;
          height: 2px;
          background: #1A1B1B;
          border-radius: 2px;
        }
    
                 .vt35-sec-4 .swiper-pagination-bullet.swiper-pagination-bullet-active {
          background: #1A1B1B;
          /* width: 33px; */
        }

    .vt35-sec-4.swiper-slider-box {
      aspect-ratio: 335/576;
      overflow: hidden;
      text-align: center;
      padding: 0 20px;
    }

  .vt35-sec-4 .imgauto-box {
    aspect-ratio: 335/576;
    overflow: hidden;
    text-align: center;
  }

  .vt35-sec-4 .imgauto-box img {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 335/576;
  }


  .vt35-sec-5 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m5.jpg);
  }
  .vt35-sec-5 .eh-container {
    display: flex;
    align-items: flex-start;
    height: 100%;
    padding-bottom: 12vh;
  }
        .vt35-sec-5 .sub-title {
          margin: 0 auto;
        }
    .vt35-sec-5 .sub-title img {
      
      height: 40px;;
    }

  .vt35-sec-6 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m6.jpg);
    padding-top: 15vh;
  }

  .vt35-sec-6 .eh-container {
    display: block;
  }

  .vt35-sec-6 .desc-box.left {
    align-items: center;
  }

  .vt35-sec-7 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m7.jpg);
  }

  .vt35-sec-7 .eh-container .desc-box {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    height: 100%;
    padding: 12vh 30px;
  }

  .vt35-sec-8 {
    background-image: url(/Public/cn/ehangweb/image/vt35/m/m8.jpg);
  }

  .vt35-sec-8 .desc-box.black .desc-box-title {
    color: #fff;
  }

  .vt35-sec-8 .desc-box.black .desc-box-content {
    color: #fff;
  }

  .vt35-sec-15 {
    width: 100%;
    aspect-ratio: 375/690;
  }

  .vt35-sec-15 .desc-box {
    position: absolute;
    bottom: 55px;
    left: 0px;
    right: 0;
    text-align: center;
    align-items: center;
  }

  .vt35-sec-15 .desc-box .desc-box-title {
    font-size: 24px;
    font-weight: 500;
    line-height: 48px;
    margin-bottom: 10px;
  }

  .vt35-sec-15 .desc-box .desc-box-content {
    font-family: HarmonyOS Sans;
    font-size: 16px;
    font-weight: 300;
    line-height: 30px;
  }

  .vt35-sec-15 .my-button-prev,
  .vt35-sec-15 .my-button-next {
    width: 58px;
    height: 58px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    transition: background 0.5s;
    display: none;
  }

  .vt35-sec-15 .swiper-slide {
    width: 100%;
    /* 移动端较小距离 */
    padding: 0;
    max-width: 100%;
    aspect-ratio: 375/690;
    margin: 0;
  }

  .vt35-sec-15 .swiper-slide img {
    max-width: 100%;
    max-height: unset;
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 375/690;
    /* 移动端比例 */
  }

  .vt35-sec-15 .slide-content {
    width: 100%;
    aspect-ratio: 375/690;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .vt35-sec-15 .control-box {
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: center;
  }

  .vt35-mobel-swiper {
    background-color: #060A0F;
    height: auto;
    position: relative;
  }

  .vt35-mobel-swiper.white {
    background-color: #F6F6F6;
  }

  .vt35-mobel-swiper .mobel-swiper-page {
    position: absolute;
    width: 100%;
    height: 10px;
    top: calc(10vh + 133px + 4vh);
    left: 0;
    right: 0;
    z-index: 99;
    display: flex;
    justify-content: center;
  }

  .vt35-mobel-swiper .swiper-wrapper {
    padding: 10vh 0;
  }

  .vt35-mobel-swiper .swiper-slide {
    background-color: transparent;
    padding: 20px;
    background-color: #060A0F;
  }

  .vt35-mobel-swiper.white .swiper-slide {
    background-color: #F6F6F6;
  }

  .vt35-mobel-swiper .swiper-slide img {
    aspect-ratio: 335/446;
    display: block;
  }

  .vt35-mobel-swiper .desc-box {
    margin-bottom: 10vh;
    padding: 0;
  }

  .vt35-mobel-swiper.white .desc-box {
    color: #1A1B1B;
  }

  .vt35-mobel-swiper .desc-box .desc-box-title {
    font-size: 20px;
    line-height: 20px;
  }

  .vt35-mobel-swiper .desc-box .desc-box-content {
    font-size: 14px;
  }

  .mobel-swiper-page .swiper-pagination-bullet {
    width: 30px;
    height: 2px;
    display: inline-block;
    border-radius: 2px;
    background: #555657;
    opacity: 1;
  }

  .mobel-swiper-page .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: #fff;
  }

  .mobel-swiper-page.white .swiper-pagination-bullet {
    background-color: #B1B3B5;
  }

  .mobel-swiper-page.white .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: #1A1B1B;
  }

}

@media screen and (min-width: 769px) and (max-width: 1600px) {
  .vt35-sec-3 .eh-container {
    padding-bottom: 6vh;
    gap: 8vh;
  }
  .swiper-nav-item {
    font-size: 24px;
  }
  .parameter-item {
    width: auto;
    max-width: 200px;
    flex: 1;
    padding: 0px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .vt35-sec-15 .swiper-slide {
    max-width: 1000px;
  }
  .vt35-sec-15 .control-box {
    width: 1000px;
  }
}

@media screen and (min-width: 769px) and (max-width: 1200px){

  
  .vt35-sec-4 .imgauto-box { 
    width: 850px;
  }
  .vt35-sec-15 .swiper-slide{
    max-width: 850px;
  }
  .vt35-sec-15 .control-box {
    width:850px
  }
  .vt35-sec-auto .swiper-slider-box {
    max-width: 850px;
    margin: 0 auto;
  }
}

.swiper-slider-box .swiperAuto-button-prev,
.swiper-slider-box .swiperAuto-button-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  transition: all 0.5s;
  background-color: #1A1B1B;
  opacity: 0.4;
}

.swiper-slider-box .swiperAuto-button-prev {
  left: 40px;
}

.swiper-slider-box .swiperAuto-button-next {
  right: 40px;
}

.swiper-slider-box:hover .swiperAuto-button-prev,
.swiper-slider-box:hover .swiperAuto-button-next {
  opacity: 0.4;
}

.swiper-slider-box .swiperAuto-button-prev:hover,
.swiper-slider-box .swiperAuto-button-next:hover {
  border-color: #1A1B1B;
  opacity: 0.8;
}

.swiperAuto-button-prev:hover,
.swiperAuto-button-prev:hover::after,
.swiperAuto-button-next:hover,
.swiperAuto-button-next::after {
  border-color: #1A1B1B;
  color: #1A1B1B
}

.swiper-slider-box .swiperAuto-button-prev::after,
.swiper-slider-box .swiperAuto-button-next::after {
  font-size: 14px;
  color: #CDCED1;
  transition: all 0.5s;
  font-weight: 700;
}

<!--耗时1773906250.2486秒-->