aliapp-demo/page/API/get-auth-code/get-auth-code.acss

.page-body-wrapper {
  margin-top: 200rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  padding: 0 50rpx;
  box-sizing: border-box;
}
.page-body-button {
  align-self: stretch;
}