diff --git a/R/val_pkg.R b/R/val_pkg.R
index 4af6329..32ac127 100644
--- a/R/val_pkg.R
+++ b/R/val_pkg.R
@@ -897,7 +897,14 @@ val_pkg <- function(
       package_name = pkg,
       package_version = ver,
       template_path = system.file("report/package", package = "val.pipeline"),
-      output_format = "typst", # Options include html, gfm, and typst. Supplying 'all' does all 3
+      # Render the styled, self-contained HTML format defined in
+      # pkg_template.qmd (embed-resources + r-val-hub theme via
+      # custom.scss/custom_light.scss + top_page.html header +
+      # transform_pre_class.html + the foldable_code.lua filter). The
+      # previously-used "gfm" output carries none of that styling, which is
+      # why bare-converted reports render unstyled. Options include html,
+      # gfm, and typst; supplying 'all' does all 3.
+      output_format = "html",
       # params list: https://github.com/pharmaR/riskreports/blob/main/inst/report/package/pkg_template.qmd
       params = list(
         assessment_path = assessment_file,