.pub_banheight,
.business_sec2 {
  position: relative;
}
.cooperate_banner .bg,
.business_sec2 .bg,
.pub_banheight .bg {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}
.cooperate_banner .bg video,
.business_sec2 .bg video,
.pub_banheight .bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.pub_banheight > .one_banner_text {
  position: relative;
}
.business_sec2 > * {
  position: relative;
}
.business_sec2 > *,
.pub_banheight > * {
  z-index: 1;
  position: relative;
}
.one_banner_ic {
  display: none;
}

.index-part05 video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index-part05 .box_layer {
  transition: all 0s;
}

.index-part05.active .box_layer {
  transform: scale(1);
}

.pro_banner .bg,
.index-part03 .item .bg {
  display: none;
}

@media screen and (min-width: 1024px) {
  .pro_banner .bg,
  .index-part03 .item .bg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: cover;
    display: block;
  }

  .index-part03 .item::before {
    z-index: 1;
  }
}
@media screen and (max-width: 1024px) {
  .index-part05 .box_layer {
    transition: all 4s;
  }
  .index-part05 video {
    display: none;
  }
  .one_banner_ic {
    display: block;
  }
  .business_sec2 .bg,
  .pub_banheight .bg {
    display: none;
  }
}