How to set the step boxes in the flowchart to be the same width?

[songyuc]

Hi, guys,
I am learning mermaid, and currently drawing a flowchart with it.
Here is the code:

flowchart TD;
Aa(Aa) --> Bbbb(Bbbb);
Bbbb(Bbbb) --> Ccccccc(Ccccccc);

Output:

And I want the those step boxes to a same width to the longest width of all the step boxes.
So how can I realize it?

Your answer and guide will be appreciated!

[elzup]

seems to be unsupported.

node width can style as below. but broken layout on simple flowchart.

flowchart TD;
Aa(Aa) --> Bbbb(Bbbb);
Bbbb(Bbbb) --> Ccccccc(Ccccccc) --> Ddd;

classDef node width:100px;

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other refs
flowchart: add minNodeWidth, minNodeHeight · Issue #3773

I think the dynamic max size solution is further down the road.
or self padding by max char length.