diff --git a/mytoolkit/scaffolds/manual/main.tex b/mytoolkit/scaffolds/manual/main.tex
index 41b7398..40adcb0 100644
--- a/mytoolkit/scaffolds/manual/main.tex
+++ b/mytoolkit/scaffolds/manual/main.tex
@@ -18,13 +18,13 @@
 \usepackage{caption}
 \usepackage{hyperref}
 
-% ---- fonts (Times New Roman + SimSun/SimHei/KaiTi; ctex default set as fallback) ----
-\IfFontExistsTF{Times New Roman}{\setmainfont{Times New Roman}}{}
+% ---- fonts: TeX Gyre Termes + SimSun/SimHei (fallback ctex auto) ----
+\xeCJKsetup{CJKecglue = \hspace{0.3em}}
+\usepackage{tgtermes}
 \IfFontExistsTF{SimSun}{%
   \setCJKmainfont[BoldFont={SimHei},ItalicFont={KaiTi}]{SimSun}%
   \setCJKsansfont[BoldFont={SimHei}]{SimHei}%
 }{}
-\IfFontExistsTF{Courier New}{\setmonofont{Courier New}}{\setmonofont{Menlo}}
 
 % ---- vertical rhythm (keep in sync with Typst md-to-pdf/manual template) ----
 % Typst: leading 0.76em, paragraph spacing 1.08em
@@ -117,16 +117,16 @@
 
 \begin{document}
 
-% ---- cover page ----
+% ---- cover page (vertically centered) ----
 \begin{titlepage}
+  \vspace*{\fill}
   \centering
-  \vspace*{2cm}
   {\fontsize{28}{34}\selectfont\bfseries\color{primary} Phynexis Python API 参考手册\par}
   \vspace{0.8cm}
   {\fontsize{16}{20}\selectfont\color{accent} 技术与使用文档\par}
   \vspace{2cm}
   {\fontsize{12}{16}\selectfont\color{light} 2026 年 7 月\par}
-  \vfill
+  \vspace*{\fill}
 \end{titlepage}
 
 \tableofcontents
diff --git a/mytoolkit/templates/md-to-pdf/default/template.typ b/mytoolkit/templates/md-to-pdf/default/template.typ
index e73af18..ecaf334 100644
--- a/mytoolkit/templates/md-to-pdf/default/template.typ
+++ b/mytoolkit/templates/md-to-pdf/default/template.typ
@@ -7,8 +7,8 @@
 
 #let cover-page(title, subtitle, date) = {
   page(margin: (top: 3cm, bottom: 3cm, left: 3cm, right: 3cm))[
-    #align(center + horizon)[
-      #v(2cm)
+    #v(1fr)
+    #align(center)[
       #text(size: 28pt, weight: "bold", fill: primary, title)
       #if subtitle != none {
         v(0.8cm)
@@ -19,6 +19,7 @@
         text(size: 12pt, fill: light, date)
       }
     ]
+    #v(1fr)
   ]
 }
 
diff --git a/mytoolkit/templates/md-to-pdf/manual/template.typ b/mytoolkit/templates/md-to-pdf/manual/template.typ
index 2e5c135..740c451 100644
--- a/mytoolkit/templates/md-to-pdf/manual/template.typ
+++ b/mytoolkit/templates/md-to-pdf/manual/template.typ
@@ -16,8 +16,8 @@
 
 #let cover-page(title, subtitle, date) = {
   page(margin: (top: 3cm, bottom: 3cm, left: 3cm, right: 3cm))[
-    #align(center + horizon)[
-      #v(2cm)
+    #v(1fr)
+    #align(center)[
       #text(size: 28pt, weight: "bold", fill: primary, title)
       #if subtitle != none {
         v(0.8cm)
@@ -28,6 +28,7 @@
         text(size: 12pt, fill: light, date)
       }
     ]
+    #v(1fr)
   ]
 }
 
diff --git a/mytoolkit/templates/md-to-pdf/textbook/template.typ b/mytoolkit/templates/md-to-pdf/textbook/template.typ
index e2e7bba..ad71255 100644
--- a/mytoolkit/templates/md-to-pdf/textbook/template.typ
+++ b/mytoolkit/templates/md-to-pdf/textbook/template.typ
@@ -95,8 +95,8 @@
 
 #let cover-page(title, subtitle, date) = {
   page(margin: (top: 3cm, bottom: 3cm, left: 3cm, right: 3cm))[
-    #align(center + horizon)[
-      #v(2cm)
+    #v(1fr)
+    #align(center)[
       #text(size: 28pt, weight: "bold", fill: primary, title)
       #if subtitle != none {
         v(0.8cm)
@@ -107,6 +107,7 @@
         text(size: 12pt, fill: light, date)
       }
     ]
+    #v(1fr)
   ]
 }