(1) Title of the paper: The title is in bold type with 1 (when two lines are written with 1).

The preface and title of the first level (chapter) should be in small bold, bold in the center, and there should be no punctuation between the preface and title, the same below; The preface and title of the second level (section) are in small three bold characters, and the top box is bold; The preface and title of the third level (article) are blank, bold 4; The preface and title of the fourth level (paragraph) are small four words in empty bold; The titles and titles of the following fifth levels (items) are the same as those of the fourth level.

(2) Text: No.4 Song Style, with line spacing of 1.5 times.