.logoBack {
  opacity: 0;
  animation: logo 1s forwards ;
}

@keyframes logo {
  form {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.roundBox {
  display: none;
}

.round {
  width: 6.72rem;
  height: 6.72rem;
  margin: 2.05rem auto 0;
  background-image: url(../img/img6.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.round * {
  position: relative;
  z-index: 1;
}

.round .item {
  position: absolute;
  width: 7.01rem;
  height: 7.01rem;
  border: 0.01rem solid #28282B;
  border-radius: 50%;
}

.round .item::after {
  content: '';
  width: 0.15rem;
  height: 0.15rem;
  background: #28282B;
  position: absolute;
  border-radius: 50%;
  z-index: 0;
}

.round1 {
  left: 0;
  top: calc(50% - (7.01rem/2));
  animation: d1 20s linear infinite;
}

.round1::after {
  right: .91rem;
  bottom: .99rem;
}

.round2 {
  right: .1rem;
  bottom: 0;
  animation: d1 20s linear infinite reverse;
}

.round2::after {
  left: .3rem;
  top: 1.87rem;
}

.roundImg {
  margin-top: .9rem;
  margin-bottom: .42rem;
}

.round p {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: 300;
  font-size: 0.27rem;
  color: #FFFFFF;
  margin-bottom: .25rem;
}

.round form {
  width: 4.6rem;
  height: 0.74rem;
  background: #FFFFFF;
  border-radius: .2rem;
  display: flex;
  align-items: center;
  padding: 0 .24rem 0 .2rem;
}

.round input {
  width: 100%;
  height: 100%;
}

.round button {
  width: .3rem;
  height: .3rem;
}


@media only screen and (max-width:768px){
    .roundImg{
        margin-top: .42rem;
    }
    
    .round p{
        font-size: 16px;
    }
    .round input{
        font-size: 14px;
    }
}