When I did backpacking in Europe,
-troyd(.);
2019-2-26{257}(#11952737@0)
I went to one city per day and slept on trains at nights. Then booked hotels in the pm by Priceline or Hotwire for where I stayed overnight. I only did very general planning. Everything else was all done on the go including which 中间站 I wanted to stay in.