Description of the format of the titles of the papers at all levels
1
1.1
1.1.1
1.1.1.1
(1)
1)
(1)
①
a
(a)
Description of the format of headings at all levels of official documents
1. (No. 3 boldface)
(1) (No. 3 regular type)
1. (No. 3 imitation Song)
xxxxxxxx (No. 3 imitation Song)