\ExplSyntaxOn \makeatletter
\hduthesis_provide_module:n {bc.layout}

\geometry { top = 3.25cm, bottom = 2.4cm, left = 4cm, right = 2cm,
            headheight = 15pt, headsep = .72cm }
\chead
  { \raisebox { .12ex } { \small 杭州电子科技大学本科 \l__docinfo_entitle_tl } }
\lhead{}\rhead{}

\int_new:N \l__hduthesis_grade_int
\int_set:Nn \l__hduthesis_grade_int
  {
    \int_compare:nNnTF {\c_sys_month_int} < 9
    {\c_sys_year_int} {\int_eval:n {\c_sys_year_int+1}}
  }
\cs_new_protected_nopar:Nn \__hduthesis_cover_bc_aux:
  {
    \begin{center}
      \vspace*{36\p@}
      \includegraphics{hdubadge}
      \par \vspace*{36\p@}
      \scalebox{3.2}
      {
        \textbf
          {
            \exp_args:Nne \l_spread_box:nn
              { .191\paperwidth } { 本科 \l__docinfo_entitle_tl }
          }
      }
      \par\vspace*{1.3\baselineskip}
      {
        \LARGE（\int_use:N \l__hduthesis_grade_int\bfseries 届）
      }
      \par\vspace*{4\baselineskip}
      \begin{tabular}
        {
          >{\large\bfseries}p{5.5\ccwd}@{}
          >{\large\centering\arraybackslash\kaishu}p{.65\linewidth}
        }
        题\qquad 目 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_cntitle_tl }\\[5.2ex]
        学\qquad 院 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_department_tl }\\[5.2ex]
        专\qquad 业 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_major_tl }\\[5.2ex]
        班\qquad 级 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_class_tl }\\[5.2ex]
        学\qquad 号 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_stdntid_tl }\\[5.2ex]
        学生姓名 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_cnauthor_tl }\\[5.2ex]
        指导教师 & 
        \l_center_box:nn { .95\linewidth }
                         { \l__docinfo_cnsupervisor_tl }\\[5.2ex]
        完成日期 &
        \l_center_box:nn { .95\linewidth }
                         {
                           \textsf{\int_use:N \c_sys_year_int} 年
                           \textsf{\int_use:N \c_sys_month_int} 月
                         }
      \end{tabular}
    \end{center}
  }

\cs_new_protected_nopar:Nn \__hduthesis_promise_bc_aux:
  {
    \vspace*{70\p@}
    \begin{center}
      \@beginparpenalty \@lowpenalty
      \Large \textsf{\bfseries \l_spread_box:nn {6\ccwd}{诚信承诺}}
      \@endparpenalty \@M
    \end{center}
    \vspace*{.5\baselineskip} \par
    \linespread{2.1}
      {\semilarge
        我谨在此承诺：本人所写的毕业论文《\l__docinfo_cntitle_tl》均系本人独立完成，
        没有抄袭行为，凡涉及其他作者的观点和材料，均作了注释，若有不实，后果由本人承担。
        \par\vspace*{\baselineskip} \bfseries\sffamily
        \hskip.48\linewidth 承诺人（签名）：
        \vspace*{.5\baselineskip}\par
        \hskip \dim_eval:n{ .48\linewidth + 2em } 年\qquad 月\qquad 日
      }
  }

\RenewDocumentCommand \maketitle {}
  {
    \newgeometry{ left = 4cm, right = 2cm, top = 3cm, bottom = 1cm }
    \begin{titlepage}
      \__hduthesis_cover_bc_aux:
    \end{titlepage}
    \titlepage
      \__hduthesis_promise_bc_aux:
    \endtitlepage
    \restoregeometry
  }

\RenewDocumentEnvironment {abstract} { O{en} }
  {
    \str_if_eq:nnT {#1} {en}
    {
      \tl_set:Nn \l__keywords_name_tl {Keywords:~}
      \tl_set:Nn \l__keywords_sep_tl {;~}
    }
    \str_if_eq:nnT {#1} {cn}
    {
      \tl_set:Nn \l__keywords_name_tl {\textsf{关键词：}}
      \tl_set:Nn \l__keywords_sep_tl {；}
    }
    \@beginparpenalty\@lowpenalty
    \str_if_eq:nnT {#1} {en} {\chapter*{\normalfont\bfseries ABSTRACT}}
    \str_if_eq:nnT {#1} {cn} {\chapter*{摘\qquad 要}}
  }
  {
    \par\null
    \tl_clear:N \l__abstract_name_tl
    \cfoot{}
    \clearpage
  }
\clist_new:N \l__abstract_keywords_clist
\NewDocumentCommand \keywords { m }
  {
    \par \vspace*{\baselineskip}
    \noindent\textbf{\l__keywords_name_tl}
    \clist_set:Nn \l__abstract_keywords_clist {#1}
    \clist_use:Nn \l__abstract_keywords_clist {\l__keywords_sep_tl}
  }

\hook_gput_code:nnn { cmd/tableofcontents/after } { . }
  { \thispagestyle{fancy} }
\RequirePackage{tocloft}
\renewcommand \contentsname {\hfill 目 \qquad 录 \hfill}
\renewcommand \cfttoctitlefont {\sffamily\semiLarge}
\dim_set:Nn \cftbeforetoctitleskip {3pt}
\dim_set:Nn \cftaftertoctitleskip {24pt}
\dim_set:Nn \cftbeforechapskip {1pt}
\dim_set:Nn \cftbeforesecskip {-.2pt}
\renewcommand*\l@chapter {\@dottedtocline{1}{0em}{1.6em}}
\renewcommand*\l@section {\@dottedtocline{1}{2.3em}{2.1em}}
\renewcommand \@dotsep{1.7}
\renewcommand \@pnumwidth{2.5ex}
\renewcommand \cftchapfont{\normalfont}
\setcounter{tocdepth}{1}

\ctexset
  {
    chapter    =
      {
        name       = {},   fixskip    = true,
        beforeskip = 21pt, afterskip  = 34pt,
        number     = \arabic{chapter},
        format     = \sffamily\centering\large,
        pagestyle  = fancy
      },
    section    =
      {
        beforeskip = 1.25ex, afterskip = 1.5ex,
        fixskip    = true,   format    = \sffamily\semilarge
      },
    subsection =
      {
        beforeskip = 1.25ex, afterskip = 1.5ex,
        fixskip    = true,   format    = \sffamily
      }
  }

\makeatother \ExplSyntaxOff
\endinput