.sign {
  width: 650rpx;
  margin: 80rpx auto;
}

.sign_input {
  width: 600rpx;
  padding-left: 50rpx;
  height: 100rpx;
  border-radius: 50rpx;
  background: #f7f7f7;
  margin-top: 40rpx;
}

.sign_dv {
  width: 650rpx;
  line-height: 100rpx;
  margin-top: 40rpx;
  color: #fff;
  text-align: center;
  border-radius: 50rpx;
  background: -webkit-linear-gradient(180deg, #ff7437, #ff9a4a);
}

.sign_box {
  width: 100%;
  text-align: center;
  margin-top: 40rpx;
  font-size: 26rpx;
  color: #666;
}

.sign_img {
  width: 445rpx;
  height: 196rpx;
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translate(-50%,-90%)
}
.privatePopup{
  position: fixed;
  bottom:0rpx;
  left:0;
  box-sizing:border-box;
  width:100%;
  height:100%;
  background-color:rgba(0,0,0,.5)
}
.privatePopup .popup-box{
  position: absolute;
  bottom:30rpx;
  border-radius:30rpx;
  background-color:#fff;
}