.opacity0 {
  opacity: 0;
}
.none {
  display: none;
}
.poab {
  position: absolute;
  z-index: 2;
}
.pofix {
  position: fixed;
  z-index: 2;
}
.bannerPart {
  position: relative;
  z-index: 2;
}
.bannerPart .bannerImg {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.bannerPart .bannerImg img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
}
.bannerPart .bannerPartWrap {
  width: 1460px;
  max-width: calc(100% - 2rem);
  height: 100%;
  margin: 0 auto;
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.bannerPart .bannerTextWrap {
  position: absolute;
  z-index: 2;
  left: 11.87vw;
  left: 0;
  top: 46%;
  transform: translateY(-50%);
}
.bannerPart .bannerText1 {
  width: 4.14rem;
  transform: translateY(25px);
  opacity: 0;
  visibility: hidden;
}
.bannerPart .bannerText1.act {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}
.bannerPart .bannerText2 {
  font-size: 0.4rem;
  color: #fff;
  margin-top: 0.38rem;
  transform: translateY(25px);
  position: absolute;
  opacity: 0;
  visibility: hidden;
}
.bannerPart .bannerText2.act {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}
@media screen and (min-width: 1920px) {
  .bannerPart .bannerText1 {
    font-size: 66px;
    line-height: 66px;
  }
  .bannerPart .bannerText2 {
    font-size: 40px;
    line-height: 40px;
    margin-top: 28px;
  }
  .bannerPart .bannerBtn {
    width: 150px;
    height: 45px;
    line-height: 46px;
    font-size: 16px;
    margin-top: 40px;
    border-radius: 45px;
  }
}
@media screen and (min-width: 1280px) and (max-width: 1440px) {
  .bannerPart .bannerPartWrap {
    width: 1230px;
  }
}
@media screen and (min-width: 980px) and (max-width: 1280px) {
  .bannerPart .bannerPartWrap {
    width: 980px;
  }
}
@media screen and (max-width: 980px) {
  .bannerPart .bannerImg::after {
    content: '';
    position: absolute;
    bottom: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top right, transparent, #003366, rgba(0, 51, 102, 0.2), rgba(0, 51, 102, 0), transparent);
    mix-blend-mode: overlay;
  }
  .bannerPart .bannerTextWrap {
    width: calc(100% - 1rem);
    max-width: calc(100% - 1rem);
    text-align: center;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .bannerPart .bannerText1 {
    width: 4.63rem;
  }
  .bannerPart .bannerText2 {
    width: 100%;
    font-size: 0.32rem;
    line-height: 1;
    text-align: center;
  }
}
.videoPart {
  width: 100%;
  height: 90vh;
  position: relative;
  z-index: 3;
  height: auto;
  font-size: 0;
  margin: 5vh auto 0;
  margin: 0 auto;
  overflow: hidden;
}
.videoPart video,
.videoPart img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
  overflow: hidden;
}
@media screen and (max-width: 980px) {
  .videoPart {
    height: 4.85rem;
  }
}