.main-intro {
  position: relative;
}

.main-intro_ani {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 100vh;
}

.main-intro_tit {
  margin: auto;
  width: 95rem;
  position: relative;
}
.main-intro_tit h2 {
  font-family: var(--gibson);
  font-weight: 400;
  font-style: normal;
  font-size: 5.05rem;
  letter-spacing: -1.1px;
  line-height: 1.2em;
  color: #fff;
  -webkit-transform: translateX(0px);
          transform: translateX(0px);
  -webkit-animation: fadeInUp 1s ease;
          animation: fadeInUp 1s ease;
}
.main-intro_tit p {
  color: #fff;
  font-size: 1.6rem;
  font-weight: 300;
  margin-top: 0.625rem;
  -webkit-animation: fadeInUp 1s ease;
  animation: fadeInUp 1s ease;
}
.main-intro_video {
  position: fixed;
  width: 100vw;
  height: 100vh;
}
.main-intro_video::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(0deg, rgba(39, 49, 64, 0.32) 0%, rgba(39, 49, 64, 0.32) 100%);
}
.main-intro_video video {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.main-intro_video .video_dim {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(39, 49, 64, 0.9);
  opacity: 0;
}

.main-intro_scroll {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 3.125rem;
  font-size: 0;
  opacity: 0;
  animation: introScroll-ani 1.1s 0.4s ease-in-out infinite;
}
.main-intro_scroll img {
  width: 3.75rem;
}

.main-intro_desc {
  position: absolute;
  bottom: 0%;
  left: 0;
  right: 0;
}
.main-intro_desc .inner {
  margin-left: 23%;
}
.main-intro_desc h2 {
  color: #FFF;
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 2.7rem;
  line-height: 54px;
}
.main-intro_desc p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.375rem;
  font-weight: 300;
  margin-bottom: 2.8125rem;
}
.main-intro_desc .commonBtn {
  margin-top: 5.125rem;
}
.main-intro_desc .carousel-wrap {
  color: rgba(255, 255, 255, 0.06);
  font-family: var(--gibson);
  font-size: 7.5rem;
  font-weight: 600;
  line-height: 1;
  margin-top: 15.625rem;
  white-space: nowrap;
}

.main-business {
  position: relative;
  z-index: 10;
}

.main-business_tit {
  /* background-image: url(/image/main/main-business_bg.png);
  background-repeat: no-repeat;
  background-size: auto 100%;
  background-position: right top; */
  padding-top: 10rem;
  padding-bottom: 10rem;
  position: relative;
  overflow: hidden;
}
.main-business_tit lottie-player {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 70%;
  opacity: 0.07;
}
.main-business_tit p {
  color: var(--mainColor);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 3rem;
  font-family: var(--gibson);
}
.main-business_tit h2 {
  font-size: 3.3rem;
  font-weight: 500;
}

.main-business_list {
  border-top: 1px solid rgba(0, 0, 0, 0.10);
}
.main-business_list li {
  position: relative;
  border-bottom: 1px solid rgba(0, 0, 0, 0.10);
}
.main-business_list li:nth-child(1) .hoverBg {
  background-image: url(/image/main/business_list01.jpg);
}
.main-business_list li:nth-child(2) .hoverBg {
  background-image: url(/image/main/business_list02.jpg);
}
.main-business_list li:nth-child(3) .hoverBg {
  background-image: url(/image/main/business_list03.jpg);
}
.main-business_list li:nth-child(4) .hoverBg {
  background-image: url(/image/main/business_list04.jpg);
}

.main-business_hover {
  width: 100%;
  height: 20.25rem;
  display: block;
  position: relative;
  z-index: 2;
  cursor: pointer;
}
.main-business_hover .hoverBg {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
}
.main-business_hover .hoverCover {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}
.main-business_hover .hoverCover::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: #fff;
  -webkit-transform: scaleY(1);
          transform: scaleY(1);
  -webkit-transition: -webkit-transform 0.2s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: -webkit-transform 0.2s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: transform 0.2s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: transform 0.2s cubic-bezier(0.215, 0.61, 0.355, 1), -webkit-transform 0.2s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.main-business_hover.in-top .hoverCover::after {
  -webkit-transform: scaleY(0);
          transform: scaleY(0);
  -webkit-transform-origin: bottom center;
          transform-origin: bottom center;
}
.main-business_hover.out-top .hoverCover::after {
  -webkit-transform: scaleY(1);
          transform: scaleY(1);
  -webkit-transform-origin: bottom center;
          transform-origin: bottom center;
}
.main-business_hover.in-bottom .hoverCover::after {
  -webkit-transform: scaleY(0);
          transform: scaleY(0);
  -webkit-transform-origin: top center;
          transform-origin: top center;
}
.main-business_hover.out-bottom .hoverCover::after {
  -webkit-transform: scaleY(1);
          transform: scaleY(1);
  -webkit-transform-origin: top center;
          transform-origin: top center;
}
.main-business_hover .hoverDesc {
  position: absolute;
  left: calc(35.955rem / 2);
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  z-index: 2;
  -webkit-transition: top 0.3s;
  transition: top 0.3s;
}
.main-business_hover .hoverDesc p {
  color: #323232;
  font-size: 1.375rem;
  font-weight: 500;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.main-business_hover .hoverDesc .desc_hide {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.main-business_hover .hoverDesc h2 {
  color: #323232;
  font-size: 3.3rem;
  font-weight: 500;
}
.main-business_hover .hoverDesc a {
  width: 3rem;
  height: 3rem;
  border-radius: 100%;
  border: 1px solid rgba(170, 170, 170, 1);
  color: rgba(170, 170, 170, 1);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  font-size: 1.0625rem;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.main-business_hover .hoverDesc a:hover {
  background: #fff;
  color: var(--dark);
}
.main-business_hover.in-top .hoverDesc p,
.main-business_hover.in-top .hoverDesc h2,
.main-business_hover:hover .hoverDesc p,
.main-business_hover:hover .hoverDesc h2 {
  color: #FFF;
}

.main-bubble {
  background: linear-gradient(180deg, #F9FAFC 26.2%, #D5DDE3 71.07%);
  padding: 8.5vw 0 9.375rem;
  margin-top: -8.5vw;
  position: relative;
  z-index: 5;
}

.main-bubble_tit {
  margin-top: 12.5rem;
  font-family: var(--gibson);
  font-size: 4.7rem;
  font-weight: 400;
  line-height: 1.2em;
  letter-spacing: -2.45px;
  z-index: 1;
  position: relative;
}

.main-bubble_img {
  margin-top: -5%;
  margin-left: auto;
  margin-right: auto;
}

.main-bubble_desc {
  position: absolute;
  bottom: 5%;
  right: 0;
}
.main-bubble_desc h3 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 4.375rem;
}
.main-bubble_desc li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 2.1875rem 0;
}
.main-bubble_desc li p {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  border-bottom:1px solid transparent;
  position: relative;
  width: fit-content;
}
.main-bubble_desc li a {
  color: #232323;
  font-size: 1.0625rem;
  font-weight: 500;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 0.75rem;
  border-bottom:1px solid transparent;
  margin-top: 0.8rem;
}
.main-bubble_desc li a span {
  width: max-content;
  position: relative;
}
.main-bubble_desc li a i {
  font-size: 1.23rem;
}
.main-bubble_desc li a span::before {
  position: absolute;
  content: '';
  top: 100%;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #232323;
  transition: all 0.3s;
}
.main-bubble_desc li:hover a span::before {
 width: 100%;
}

@keyframes opacity {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@-webkit-keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translateY(70px);
            transform: translateY(70px);
  }
  to {
    opacity: 1;
  }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translateY(70px);
            transform: translateY(70px);
  }
  to {
    opacity: 1;
  }
}

@keyframes introScroll-ani {
  from {
    opacity: 0;
    transform: translate(-50%, 0px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 20px);
  }
}