*{
  margin: 0;
  padding: 0;
}
.main{
  position: relative;
  padding-bottom: 100px;
  min-height: 100vh;
  background-color: #eff6ff;
  background-image: linear-gradient(to top, #eff6ff, #c2dfff);
  box-sizing: border-box;
}
.top{
  position: relative;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  padding-left: 3%;
  box-sizing: border-box;
  vertical-align: middle;
}
.top img{
  width: 70%;
  max-width: 1000px;
}
.right{
  vertical-align: middle;
}
.code{
  position: relative;
  display: inline-block;
  padding: 4px;
  border-radius: 10px;
  background-color: #FFF;
  width: 50px;
  max-width: 50px;
  cursor: pointer;
  vertical-align: middle;
  box-sizing: border-box;
}
.code img{
  width: 100%;
  vertical-align: middle;
}
.code .qrCode{
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left:50%;
  transform: translateX(-50%);
}
.qrCode::before{
  content: "";
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid #fff;
  position: absolute;
  left: 50%;
  top: -10px;
  transform: translateX(-50%);
}
.qrCode img{
  width: 140px;
}
.code:hover .qrCode{
  display: block;
}
.top .plan{
  margin-left: 20px;
  display: inline-block;
  vertical-align: middle;
}
.plan img{
  max-width: 200px;
  width: 100%;
}
.flex-main{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: block;
  margin: 0px auto 0;
  width: 100%;
  max-width: 1233px;
}
.flex-center{
  position: relative;
  /* margin: 50px auto 0; */
  width: 100%;
  overflow: hidden;
}
.flex-center img{
  vertical-align: middle;
}
.flex-center .hall-bg{
  width: 100%;
}
.flex-center .hall-top{
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
}
.left-battery{
  position: absolute;
  left: 21.5%;
  top: 8%;
  width: 4.7%;
  z-index: 1;
}
.left-battery img{
  width: 100%;
}
.left-battery-bg{
  position: absolute;
  left: 10%;
  bottom: 10%;
  z-index: -1;
  width: 80%;
  height: 50%;
  transform-style: preserve-3d;
  transform: rotateX(15deg) rotateY(20deg);
  background-color: #008baf;
  animation: battery1 4s ease infinite;
}
@keyframes battery1 {
  0% { height: 0; }
  19.9%{ height: 0; }
  20%{ height: 12%; }
  39.9%{ height: 12%; }
  40%{ height: 30%; }
  59.9%{ height: 30%; }
  60%{ height: 40%; }
  79.9%{ height: 40%; }
  80%{ height: 50%; }
  100% { height: 50%; }
}
.left-windmill{
  position: absolute;
  left: 6.9%;
  top: 23.4%;
  width: 7.3%;
  transform-style: preserve-3d;
  animation: windmill 3s linear infinite;
}
@keyframes windmill {
  0% {
    transform: rotateX(-18deg) rotateY(-15deg) rotate(0);
  }
  100% {
    transform: rotateX(-18deg) rotateY(-15deg) rotate(360deg);
  }
}
.left-automobile{
  position: absolute;
  width: 9.4%;
  animation: automobile1 5s linear infinite;
}
@keyframes automobile1 {
  0% {
    left: -12%;
    top: 50%;
    transform: rotate(15deg);
  }
  9% {
    left: -3%;
    top: 59.3%;
    transform: rotate(21deg);
  }
  12% {
    left: 0%;
    top: 62.3%;
    transform: rotate(19deg);
  }
  15%{
    left: 3%;
    top: 64.8%;
    transform: rotate(13deg);
  }
  19%{
    left: 8%;
    top: 68%;
    transform: rotate(6deg);
  }
  22% {
    /* left: 12%;
    top: 71.8%; */
    left: 12%;
    top: 69.9%;
    transform: rotate(4deg);
  }
  32%{
    left: 24%;
    top: 75%;
    transform: rotate(2deg);
  }
  41% {
    /* left: 12%;
    top: 71.8%; */
    left: 36%;
    top: 79.3%;
    transform: rotate(1deg);
  }
  60%{
    left: 60%;
    top: 87%;
    opacity: 1;
  }
  60.1%{
    opacity: 0;
  }
  100% {
    opacity: 0;
    transform: rotate(4deg);
  }
}
.right-automobile{
  position: absolute;
  animation: automobile2 5s linear infinite;
  width: 5.74%;
    transform: rotate(5deg);
}
@keyframes automobile2 {
  0% {
    opacity: 0;
  }
  60%{
    opacity: 0;
  }
  60.1%{
    opacity: 1;
    right: 26.5%;
    top: 84%;
  }
  100% {
    right: 12.5%;
    top: 33%;
    opacity: 1;
  }
}
.right-battery{
  position: absolute;
  right: 20%;
  top: 31%;
  width: 4.3%;
}
.right-battery img{
  width: 100%;
}
.right-balloon{
  position: absolute;
  animation: balloon 6s linear infinite;
}
.balloon1{
  right: 11.5%;
  top: 9%;
  width: 9%;
}
.balloon2{
  right: 25.5%;
  top: 4%;
  width: 6%;
  animation-delay: 2s;
}
@keyframes balloon {
  0% {
    transform: translateY(0px);
  }
  25% {
    transform: translateY(-20px);
  }
  50% {
    transform: translateY(0px);
  }
  75% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}
.top-drone{
  position: absolute;
  left: 70%;
  top: 22%;
  width: 5%;
  animation: drone 10s linear infinite;
}
@keyframes drone {
  0% {
    left: 70%;
    top: 22%;
    transform: translateY(0);
  }
  30% {
    left: 35%;
    top: 13%;
    transform: translateY(-20px);
  }
  50% {
    left: 25%;
    top: 44%;
    transform: translateY(0px);
  }
  80% {
    left: 59%;
    top: 54%;
    transform: translateY(-10px);
  }
  100% {
    left: 70%;
    top: 22%;
    transform: translateY(0px);
  }
}
.enter-vr{
  opacity: 0;
  position: absolute;
  left: 0;
  width: 100%;
  transition: all .5s;
}
.flex-main:hover .enter-vr{
  opacity: 1;
}
.bottom{
  display: none;
}
.bottom-pc{
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1233px;
  height: 100px;
  display: flex;
  /* justify-content: center; */
  align-items: center;
}
.bottom-pc .gg{
  width: 150px;
  overflow: hidden;
  border-radius: 10px;
}
.ghapp{
  display: none;
}
.bottom-pc .advertising a{
  font-size: 0;
}
.bottom-pc .advertising .a2 {
  margin-left: 5px;
}
.bottom-pc a{
  color: #000;
  text-decoration: none;
}
.vrmedia{
  /* padding: 0 10px;
  color: #fff;
  background-color: rgba(121, 165, 235, .7); */
}
.vrmedia a{
  /* color: #fff; */
}
.bottom-pc .vrmedia a:hover{
  color: #1c61ad;
}
.bottom-pc a img{
  width: 16px;
  vertical-align: sub;
}
.bottom-pc a:hover{
  color: #008baf;
}
.footer{
  margin-left: 10px;
  font-size: 12px;
  line-height: 24px;
}
.footer-app{
  display: none;
}
@media (min-width: 320px) and (max-width: 767px) {
  .main{
    padding-bottom: 220px;
  }
  .top{
    padding: 16px;
    padding-top: 5vh;
  }
  .top > img{
    width: 100%;
  }
  .right{
    display: none;
  }
  /* .flex-center{
    margin-top: 15vh;
  } */
  .flex-main{
    margin-top: 5vh;
    position: relative;
    left: 0;
    top: 0;
    transform: none;
  }
  .bottom {
    display: block;
    margin-top: 6vh;
  }
  .bottom a{
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    width: 50%;
    color: #000;
    text-decoration: none;
    background-color: #fff;
    text-align: center;
    border-radius: 20px;
  }
  .bottom a+a{
    margin-top: 20px;
  }
  .bottom a img{
    margin-right: 6px;
    width: 20px;
  }
  .bottom-pc{
    /* padding: 0 10px; */
    height: auto;
    display: block;
    box-sizing: border-box;
  }
  .advertising{
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
  }
  .advertising a,
  .advertising .a{
    width: 49%;
    overflow: hidden;
  }
  .advertising .a1{
    display: none;
  }
  .ghapp{
    display: block;
  }
  .advertising .gg{
    width: 100%;
  }
  /* .footer{
    margin-top: 10px;
    margin-left: 0;
    font-size: 12px;
    line-height: 20px;
    text-align: center;
  } */
  .footer{
    display: none;
  }
  .footer-app{
    display: block;
    margin-top: 10px;
    margin-left: 0;
    padding: 0 10px;
    font-size: 11px;
    line-height: 20px;
    text-align: center;
  }
  .vrmedia{
    margin-left: -10px;
    margin-right: -10px;
  }
}
@media (min-width: 768px) and (max-width: 1210px){
  .main{
    padding-bottom: 190px;
  }
  .top > img{
    width: calc(100% - 240px);
  }
  .code{
    width: 38px;
    border-radius: 5px;
  }
  .plan img{
    max-width: 140px;
  }
  .bottom-pc{
    display: block;
    height: 155px;
  }
  .bottom-pc .advertising{
    width: 100%;
    text-align: center;
  }
  .bottom-pc .advertising a+a{
    margin-left: 10px;
  }
  .footer{
    margin-left: 0;
    text-align: center;
    font-size: 12px;
  }
}