\begin{figure}[thp!]
\centering
\begin{ganttchart}[%Specsx unit=0.55cm,y unit title=0.6cm,y unit chart=0.6cm,% vgrid,hgrid,hgrid={*3{black!1, line width=.0pt},*1{draw=black!60, line width=.55pt}, *2{black!1, line width=.0pt},*1{draw=black!60, line width=.55pt},*2{black!1, line width=.0pt},*1{draw=black!60, line width=.55pt},*3{black!1, line width=.0pt},*1{draw=black!60, line width=.55pt},},vgrid={*3{black!1, line width=.0pt},*1{draw=black!60, dash pattern=on 3.5pt off 4.5pt, line width=.35pt}},
% title/.style={fill=teal, draw=none},
% title label font=\heiti\color{white}\bfseries,title height=1,title label font=\sffamily\footnotesize,bar/.style={fill=light_blue},% bar/.append style={fill=light_green},% bar incomplete/.append style={fill=origin_orange},bar label font=\sffamily\footnotesize,bar right shift=0,bar left shift=0,bar height=0.35,bar top shift=0.2,
% progress label text={},% bar progress label font=\small\heiti\footnotesize,% group progress label font=\small\heiti\footnotesize,% group progress label font=\small\heiti\calibri\footnotesize,% group progress label node/.append style={below=3pt}group label font=\small\sffamily\bfseries,group right shift=0,group left shift=0,group top shift=0.2,group height=.5,group peaks width={0.3},group peaks tip position=0,group peaks height=.25,]{1}{16}%labels\gantttitle[title/.style={fill=cyan, draw=none}]{项目年度研究计划}{16}\\\gantttitle[title/.style={fill=light_green, draw=none}]{2024年度}{4} % title 1\gantttitle[title/.style={fill=light_red, draw=none}]{2025年度}{4} \gantttitle[title/.style={fill=light_purple, draw=none}]{2026年度}{4} \gantttitle[title/.style={fill=light_yellow, draw=none}]{2027年度}{4} \\ % Setting group if any\ganttgroup[group/.append style={fill=deep_green}, group incomplete/.append style={fill=origin_orange},progress=7.5]{计划A}{1}{4}\\ \ganttbar[bar/.style={fill=deep_green}, bar incomplete/.append style={fill=light_blue}, progress=30]{计划A - 1}{1}{1}\\\ganttbar{计划A - 2}{2}{4}\\\ganttgroup{计划B}{5}{8} \\ \ganttbar{计划B - 1}{5}{6} \\\ganttbar{计划B - 2}{7}{8} \\ \ganttgroup{计划C}{9}{12} \\ \ganttbar{计划C - 1}{9}{10} \\\ganttbar{计划C - 2}{10}{12} \\ \ganttgroup{计划D}{13}{16} \\ \ganttbar{计划D - 1}{13}{13} \\ \ganttbar{计划D - 2}{14}{14} \\ \ganttbar{计划D - 3}{14}{16}
\end{ganttchart}
\caption{甘特图}
\label{fig:gant}
\end{figure}