.welcomePage {
  overflow: hidden;
  position: relative;
  height: 100vh;
  width: 100vw;
  top: 0;
  left: 0;
}
.welcomePage .door {
  height: 100%;
  width: 100vw;
  position: relative;
  display: none;
}
.welcomePage .door .door-axis {
  position: absolute;
  width: 42rem;
  height: 100%;
  left: 50%;
  top: 0;
  bottom: 0;
  display: block;
  z-index: 10;
  margin-left: -21rem;
  opacity: 0;
  animation: doorAxisStart 0.5s forwards linear;
}
.welcomePage .door img.text {
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
  width: 45rem;
}
.welcomePage .door .door-left {
  width: 50%;
  height: 100%;
  background-color: rgba(39, 39, 39, 0.89);
  position: absolute;
  left: 0rem;
  top: 0;
  z-index: 2;
  border-radius: 0 14rem 14rem 0;
}
.welcomePage .door .door-left img {
  right: 20rem;
  animation: textImgLeft 0.5s forwards linear !important;
}
.welcomePage .door .door-left.open-left {
  animation: openLeft 1s forwards linear;
}
.welcomePage .door .door-center-img {
  position: absolute;
  left: 50%;
  width: 52rem;
  height: calc(100vh + 18rem);
  margin-left: -26rem;
  z-index: 998;
  margin-top: -9rem;
}
.welcomePage .door .door-right {
  width: 50%;
  height: 100%;
  background-color: rgba(39, 39, 39, 0.89);
  position: absolute;
  right: 0rem;
  top: 0;
  z-index: 2;
  border-radius: 14rem 0 0 14rem;
}
.welcomePage .door .door-right img {
  left: 20rem;
  animation: textImgRight 0.5s forwards linear !important;
}
.welcomePage .door .door-right.open-right {
  animation: openRight 1s forwards linear;
}
.welcomePage .video {
  width: 100vw;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: fill;
}
@keyframes doorAxisStart {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes openLeftStart {
  0% {
    left: 1rem;
  }
  100% {
    left: -5rem;
  }
}
@keyframes openRightStart {
  0% {
    right: 1rem;
  }
  100% {
    right: -5rem;
  }
}
@keyframes openLeft {
  0% {
    transform: translate(0rem, 0);
  }
  100% {
    transform: translate(-100%, 0);
  }
}
@keyframes openRight {
  0% {
    transform: translate(0rem, 0);
  }
  100% {
    transform: translate(100%, 0);
  }
}
@keyframes textImgLeft {
  0% {
    right: 0;
  }
  100% {
    right: 20rem;
  }
}
@keyframes textImgRight {
  0% {
    left: 0;
  }
  100% {
    left: 20rem;
  }
}
@keyframes opacityChange {
  0% {
    background-color: #000;
  }
  100% {
    background-color: #272727;
  }
}
.welcomePage .mask,
.welcomePage div.pop-video {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.16);
  display: flex;
  justify-content: center;
  align-items: center;
}
.welcomePage .mask .logo,
.welcomePage div.pop-video .logo {
  position: absolute;
  transform-origin: left top;
  width: 174rem;
  height: 44rem;
  top: 91rem;
  left: 55rem;
  display: block;
}
.welcomePage .mask .content,
.welcomePage div.pop-video .content {
  width: 100%;
  font-family: Fz;
  color: #fff;
  text-align: center;
}
.welcomePage .mask .content h1,
.welcomePage div.pop-video .content h1,
.welcomePage .mask .content h2,
.welcomePage div.pop-video .content h2 {
  font-weight: normal;
}
.welcomePage .mask .content h1,
.welcomePage div.pop-video .content h1 {
  font-size: 48rem;
  line-height: 53rem;
}
.welcomePage .mask .content h1 img,
.welcomePage div.pop-video .content h1 img {
  display: block;
  width: 324rem;
  margin: auto;
  margin-bottom: 59rem;
}
.welcomePage .mask .content h2,
.welcomePage div.pop-video .content h2 {
  font-size: 88rem;
  line-height: 97rem;
  margin-bottom: 150rem;
  font-family: Fz;
  letter-spacing: 9rem;
}
.welcomePage .mask .content img#playAll,
.welcomePage div.pop-video .content img#playAll {
  display: block;
  width: 64rem;
  height: 64rem;
  margin: auto;
  cursor: pointer;
}
.welcomePage .mask .content img#playAll:hover,
.welcomePage div.pop-video .content img#playAll:hover {
  opacity: 0.75;
}
.welcomePage .mask div.pop-video,
.welcomePage div.pop-video div.pop-video {
  z-index: 2000;
  display: none;
  background-color: rgba(0, 0, 0, 0.9);
}
.welcomePage .mask video.pop-video,
.welcomePage div.pop-video video.pop-video {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 83.75vw;
  height: 83.75vh;
  transform: translate(-50%, -50%);
  object-fit: fill;
}
.welcomePage .mask .closeFullPlay,
.welcomePage div.pop-video .closeFullPlay {
  position: absolute;
  left: 92vw;
  bottom: 93vh;
  width: 48rem;
  height: 48rem;
  background: url('/expert/web/icon/close.png') no-repeat center;
  background-size: 100% 100%;
  cursor: pointer;
}
.welcomePage .mask {
  opacity: 0;
}
.welcomePage .mask.show {
  transition: 0.6s ease-in;
  opacity: 1;
}
.welcomePage .tips {
  animation: welcome_tips_pos 0.5s forwards ease-in-out infinite alternate;
  z-index: 100;
  display: none;
  width: 107rem;
  position: relative;
  cursor: pointer;
}
@keyframes welcome_tips_pos {
  0% {
    bottom: 0;
  }
  100% {
    bottom: -20rem;
  }
}
#fullpage #welcome {
  z-index: -1;
  opacity: 0;
  transition: 1s ease;
}
#fullpage #welcome.current {
  opacity: 1;
  z-index: 50;
  transition: 1.5s ease;
}
.right-bottom-btn {
  position: absolute;
  left: 80rem;
  bottom: 90rem;
  cursor: pointer;
}
.right-bottom-btn img {
  height: 33rem;
}