.demo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1000rpx;
}
.demo .fail-error {
  margin-top: 48rpx;
  margin-bottom: 96rpx;
  width: 100%;
  color: rgba(0, 0, 0, 0.4);
  font-size: 28rpx;
  font-weight: 400;
  text-align: center;
}
.demo .t-button--default {
  width: 320rpx;
  height: 80rpx;
  color: rgba(0, 0, 0, 0.9);
  font-weight: 700;
  font-size: 28rpx;
}