Hugo Narrow supports set sticky header, logo, theme switch, dark mode switch, language switch.

1. logo placed at ~/static directory, leave empty to use site title first letter.
2. Language switch mode is supported which is click to switch(cycle) or click to show panel(dropdown).

header:
  sticky: true
  logo:
    image: "/images/logo.svg" # Logo path relative to static folder, leave empty to use site title first letter
    link: "/" # Click to home page
  # UI Components Control (header controls)
  showThemeSwitch: true # Set to false to hide theme style switcher (palette icon)
  showDarkModeSwitch: true # Set to false to hide dark mode switcher (sun/moon icon)
  showLanguageSwitch: true # Set to false to hide language switcher
  languageSwitchMode: "dropdown" # Language switch mode: "dropdown" (show panel) or "cycle" (direct cycle)