fix: 优化页眉页脚间距展开滚动并提取硬编码边距字符串

app/src/main/res/values-zh-rHK/strings.xml

@@ -299,6 +299,7 @@
     <string name="padding_bottom">下邊距</string>
     <string name="padding_left">左邊距</string>
     <string name="padding_right">右邊距</string>
+    <string name="padding_format">上: %1$d  下: %2$d  左: %3$d  右: %4$d</string>
     <string name="check_book_source">校驗書源</string>
     <string name="check_select_source">校驗所選</string>
     <string name="progress_show">%1$s      進度 %2$d/%3$d</string>