toc_var: temporarily disable ack

until we have a real one

Evaluation: environment and config

toc: remove vertical spacing tweaks

too much with current line spacing, and the difference among types is
not really noticeable

load_env: dedup packages

real doublespacing

looks like a classic /linespread misunderstanding, making it ~2.4x

onehalfspacing may be enough for chinese (default ~1.2x is way too low),
we'll see

covers: metrics conformance

title: make it more consistent with toc

toc: make dots more like lof

shrink title spacing

make title styling consistent with toc

make abstract title consistent

links

shrink watermark size

improve readability with watermark & draft present

file from:
magick +antialias -density 300 logo.pdf[0] -crop 2700x2700+900+900 -fill none -opaque white -fill gray90 -fuzz 50% -opaque black out.png

where logo.pdf is .ai from school, which is actually pdf

load_env: kai-ify

load_env: indicate draft status

load_env: free the fonts

改成xelatex

Updates from Overleaf

根據圖書館的說明修了一下主頁(main.tex)的內容, 還有Excel2Latex的作法.