#mainBody header {
  padding: 0.25rem;
  background-color: #ffffff;
}
#mainBody header > p {
  font-size: 0.36rem;
  font-family: "PingFangSC";
  color: #333333;
  line-height: 1.2;
  text-align: center;
}
#mainBody .content {
  position: relative;
}
#mainBody .content .background {
  -webkit-animation: rotation 3s linear infinite;
  animation: rotation 3s linear infinite;
  width: 5.2rem;
  height: 1.4rem;
  line-height: 2;
  background-color: #ffffff;
  opacity: 0.8;
  border-radius: 100px;
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}
#mainBody .content .Button {
  -webkit-animation: rotation 3s linear infinite;
  animation: rotation 3s linear infinite;
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
}
#mainBody .content .Button > button {
  width: 4.8rem;
  height: 1rem;
  line-height: 1rem;
  font-size: 0.54rem;
  font-family: "YouYuan";
  color: #ffffff;
  text-transform: uppercase;
  border-radius: 50px;
  background-image: linear-gradient(0deg, #f0564b 0%, #f89b83 100%);
}
@keyframes rotation {
  0% {
    margin-bottom: 0px;
  }
  50% {
    margin-bottom: 10px;
  }
  100% {
    margin-bottom: 0px;
  }
}