¿Ajustar tikz-figure como un subarchivo en el ancho del texto (plantilla svjour3)?

¿Ajustar tikz-figure como un subarchivo en el ancho del texto (plantilla svjour3)?

Tengo que usar el estilo de documento svjour3. En mi documento, necesito incluir un árbol de errores que creé en un archivo/capítulo diferente. Mi problema: Desafortunadamente, el árbol no está ajustado al ancho normal del documento/texto (ver imagen)

ingrese la descripción de la imagen aquí

Este es mi código actual:

\documentclass[smallextended]{svjour3}       

\usepackage{tikz}
\usetikzlibrary{matrix,calc,circuits,calc,arrows,positioning}
\usetikzlibrary{circuits.logic.US} 
\usepackage{tikz-timing}
\def\degr{${}^\circ$}

\usepackage{subfiles}
\usepackage{blindtext}

\begin{document}

\blindtext  
\subfile{Chapters/extension fault tree}
\blindtext
    
\end{document}

Intenté cosas como \subfile[width=\textwitdh]{...}pero no funcionó... ¿alguien puede ayudarme? ¡Estaría extremadamente agradecido! :) ¡Salud!

Editar: código del árbol:

\documentclass[../template.tex]{subfiles}

\begin{document}

\begin{tikzpicture}
 [
% Gates and symbols style
    and/.style={and gate US,thick,draw,fill=orange!60,rotate=90,
        anchor=east,xshift=-1mm},
    or/.style={or gate US,thick,draw,fill=blue!60,rotate=90,
        anchor=east,xshift=-1mm},
    be/.style={circle,thick,draw,fill=green!60,anchor=north,
        minimum width=0.7cm},
    tr/.style={buffer gate US,thick,draw,fill=purple!80,rotate=90,
        anchor=east,minimum width=0.8cm},
% Label style
    label distance=3mm,  every label/.style={blue},
% Event style
    event/.style={rectangle,thick,draw,fill=yellow!20,text width=2cm, text centered,font=\sffamily,anchor=north},
% Children and edges style
    edge from parent/.style={very thick,draw=black!70},
    edge from parent path={(\tikzparentnode.south) -- ++(0,-1.05cm)-| (\tikzchildnode.north)},
    level 1/.style={sibling distance=4cm,level distance=1.5cm, growth parent anchor=south,nodes=event},
    level 2/.style={sibling distance=3cm, level distance=1.5cm},
    level 3/.style={sibling distance=2.5cm, level distance=1.5cm},
    level 4/.style={sibling distance=3cm}
    ]
%% Draw events and edges
 \node (g1) [event] {Extension failure \\ E0}
        child{node (e1) {Locks \\(Le)} 
            child {node (e11) {Door Lock \\ (DL)}
                    %child {node (e111) {Door Lock \\ (E11)}}
                    %child {node (e112) {Door Lock \\ (E11)}}
                   % child {node (e113) {Shuttle Valve \\ (E11)}}
            }
            child {node (e12) {Uplock \\ (UL)}
                    %child {node (e121) {Leak \\ (E11)}}
                    %child {node (e122) {Fail to close \\ (E11)}}
                   %child {node (e123) {Shuttle Valve \\ (E11)}}
            }
        } 
        child [level distance=50mm] {node (e2) {Pressure Supply\\ (PSe)}
            child [sibling distance=8cm] {node (e21) {Main System\\ (PSMe)}
                child {node (e211) {Lose of pressure\\ (HPe1)}}
                child {node (e212) {Valve fails to open\\ (IVe)}}
                child {node (e213) {Wrong position\\ (SVe)}}
            }
            child [sibling distance=8cm] {node (e22) {Emergency System\\ (PSEe)}
                child {node (e221) {Lose of pressure\\ (HPe2)}}
                child {node (e222) {Shuttle Valves\\ (SHUV)}
                     child {node (e2221) {SHUVe1a}}
                     child {node (e2222) {SHUVe1b}}
                     child {node (e2223) {SHUVe1c}}
                     child {node (e2224) {SHUVe1d}}
                }
                child {node (e223) {Valve fails to open\\ (EVe)}}
            }    
        }
        child{node (e3) {Actuators \\(A)} 
            child {node (e31) {Door  \\ (DA)}}
            child {node (e32) {MLG \\ (RA)}}
        }
        child {node (e4) {Pipe Blockage \\ (HPe)}
        };
       
%  Remove what follows if no gates are required
   \node [or]   at (g1.south)   []  {};
   \node [or]   at (e1.south)   []  {};
   \node [and]  at (e2.south)   []  {};
   \node [or]   at (e3.south)   []  {};
   \node [be]   at (e4.south)   []  {};
   \node [tr]   at (e11.south)  []  {};
   \node [tr]   at (e12.south)  []  {};
   \node [or]   at (e21.south)  []  {};
   \node [or]   at (e22.south)  []  {};
   \node [tr]   at (e31.south)  []  {};
   \node [tr]   at (e32.south)  []  {};
   \node [be]   at (e211.south)  []  {};
   \node [be]   at (e212.south)  []  {};
   \node [be]   at (e213.south)  []  {};   
   \node [be]   at (e221.south)  []  {};
   \node [or]   at (e222.south)  []  {};
   \node [be]   at (e223.south)  []  {};
   \node [be]   at (e2221.south)  []  {};
   \node [be]   at (e2222.south)  []  {};
   \node [be]   at (e2223.south)  []  {};
   \node [be]   at (e2224.south)  []  {};
\end{tikzpicture}
\begin{tikzpicture} 
    [
    tr/.style={buffer gate US,
        thick,
        draw,
        fill=purple!80,
        rotate=90,
        inner sep=0pt,
        outer sep=0pt,
        minimum width=0.8cm},
    event/.style={rectangle,
        thick,
        draw,
        fill=yellow!20,
        text width=2cm, 
        text centered,
        font=\sffamily,
        anchor=north
    },
        be/.style={circle,thick,draw,fill=green!60,anchor=north,
        minimum width=0.7cm},
        or/.style={or gate US,thick,draw,fill=blue!60,rotate=90,
        anchor=east,xshift=-1mm},
    ]
    \node (g1) [tr] {};
    \draw[line width=1pt] ($(g1.south)+(-3pt,6pt)$) --++(0.5cm,0pt) --+(0,-2cm)
    node[below,event] (b){DLe1/ULe1 \\ DAe1/Rae2};

    \node[event, left=of b] (c){DLe2/ULe2 \\ Dae2/Rae1};
    \node[event, right=of b] (d){SHUVe2 a/b/c/d};
    \draw[line width=1pt] ($(b.north)+(0pt,6pt)$) -|(c);
    \draw[line width=1pt] ($(b.north)+(0pt,6pt)$) -|(d);
    
    \node [or]   at (g1.west)   [above=of b, yshift=-0.3cm]  {};
    \node [be]   at (b.south)   []  {};
    \node [be]   at (c.south)   []  {};
    \node [be]   at (d.south)   []  {};
\end{tikzpicture}

\end{document}

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