What is the most reasonable arrangement to visit Dujiangyan in Qingcheng Mountain in a few days?

Personally, I think your plan is good, and the accommodation near the scenic spot can't be cheap.

It's just that you need to go to Qingcheng Mountain earlier on the first day. After all, climbing mountains takes time.

There are also return tickets to be booked in advance, otherwise you can't get on the bus on time.

There are still many accommodations in Dujiangyan, and the feeling in Jinsha Bird's Nest is not bad. From the appearance, after all, locals generally don't stay in hotels.

In addition, if you save it, you should have it at the station (passenger center), but there seems to be no express station (but you can find it yourself).