Merge pull request #2877 from jin-li/feature/thumbnail-aspect-ratio-global

feat: Allow configurable thumbnail aspect ratio for article cards

config/_default/params.toml

@@ -29,6 +29,8 @@ disableTextInHeader = false
 # defaultFeaturedImage = "IMAGE.jpg" # used as default for featured images in all articles
 # defaultSocialImage = "/android-chrome-512x512.png" # used as default for social media sharing (Open Graph and Twitter)
 hotlinkFeatureImage = false
+# Thumbnail aspect ratio as a number (e.g., "1.5", "1.0", "1.777")
+# thumbnailAspectRatio = "1.5"
 # imagePosition = "50% 50%"
 
 # highlightCurrentMenuArea = true