Which font is the most mature and stable in hard pen calligraphy?

1, as far as I know, the classification of hard-pen calligraphy is similar to that of brush, including seal script, official script, regular script, running script, cursive script and so on;

2, should belong to the running script, or running script;

3, good-looking, mature and widely used.

In addition, calligraphy can't be achieved overnight, and writing good words can't be separated from unremitting efforts. Therefore, if you want to write well, you might as well go to the bookstore and choose a book you like (just look pleasing to the eye) and practice for about half an hour every day. Within a month, the quality of calligraphy will definitely improve ~ ~ ~