\hduthesis_provide_module:n {font}

\RequirePackage[zihao = -4]{ctex}
\linespread{1.39}
\setlength{\parindent}{2\ccwd}
\setmainfont{texgyretermes}
  [
    UprightFont = *-regular,
    BoldFont = *-bold,
    ItalicFont = *-italic,
    BoldItalicFont = *-bolditalic,
    Extension = .otf
  ]
\setsansfont{texgyreheros}
  [
    UprightFont = *-regular,
    BoldFont = *-bold,
    ItalicFont = *-italic,
    BoldItalicFont = *-bolditalic,
    Extension = .otf,
    scale = .9
  ]

\newcommand\semilarge
  {
    \@setfontsize\semilarge{14}{16.5}
  }

\RequirePackage
{
  amsmath, amssymb, mathtools, extarrows,
  bm, cancel, physics2, fixdif, derivative
}
\usephysicsmodule{ab, braket, ab.legacy, op.legacy}

\renewcommand\theequation{\arabic{chapter}-\arabic{equation}}
\AtBeginDocument{
  \setlength{\abovedisplayshortskip}{-18pt}
  \setlength{\abovedisplayskip}{6pt}
  \setlength{\belowdisplayshortskip}{6pt}
  \setlength{\belowdisplayskip}{6pt}
}

\endinput