diff --git a/hugo-site/content/nix/_index.md b/hugo-site/content/nix/index.md
similarity index 100%
rename from hugo-site/content/nix/_index.md
rename to hugo-site/content/nix/index.md
diff --git a/hugo-site/themes/freenet/assets/css/base.css b/hugo-site/themes/freenet/assets/css/base.css
index f5c391b4..853e35f9 100644
--- a/hugo-site/themes/freenet/assets/css/base.css
+++ b/hugo-site/themes/freenet/assets/css/base.css
@@ -361,6 +361,14 @@ pre code {
     max-width: 1344px;
 }
 
+/* ...but cap the intro as a whole, not just its paragraphs. Capping only the
+   paragraphs left code blocks, tables, tabs and alerts running the full shell
+   width beside them, so the prose looked hard-wrapped in a narrow strip. The
+   card grid below keeps the full width. */
+.container.is-section-page .page-intro {
+    max-width: var(--measure);
+}
+
 .page-list.is-grid {
     display: grid;
     gap: 1.5rem;
@@ -401,6 +409,9 @@ pre code {
 @media screen and (min-width: 1024px) {
     .container.is-prose .content > table,
     .container.is-prose .content > pre,
+    /* Hugo wraps every highlighted fence in <div class="highlight">, so the
+       bare `> pre` above never matched a fenced code block. */
+    .container.is-prose .content > .highlight,
     .container.is-prose .content > figure {
         margin-inline: calc((var(--measure-content) - var(--breakout)) / 2);
         width: var(--breakout);
diff --git a/hugo-site/themes/freenet/layouts/_default/list.html b/hugo-site/themes/freenet/layouts/_default/list.html
index e8756f75..251bb10e 100644
--- a/hugo-site/themes/freenet/layouts/_default/list.html
+++ b/hugo-site/themes/freenet/layouts/_default/list.html
@@ -1,10 +1,15 @@
 {{ define "main" }}
-  <div class="container{{ if .IsSection }} is-section-page{{ else }} is-prose{{ end }}">
+  {{/* The wide shell exists for the child-page card grid. A section with no
+       child pages (try, uninstall, ...) is just an article, and in the wide
+       shell its capped paragraphs sit beside full-width code blocks and
+       alerts, which reads as hard-wrapped text. */}}
+  <div class="container{{ if and .IsSection .Pages }} is-section-page{{ else }} is-prose{{ end }}">
     <h1 class="title">{{ .Title }}</h1>
     {{ if .IsSection }}
       <div class="content page-intro">
         {{ .Content }}
       </div>
+      {{ if .Pages }}
       <div class="page-list{{ if not .Params.list_child_pages }} is-grid{{ end }}">
         {{ range .Pages }}
           <section class="child-entry">
@@ -25,6 +30,7 @@ <h2 class="title is-5">
           </section>
         {{ end }}
       </div>
+      {{ end }}
     {{ else }}
       {{ if eq .Section "news" }}
         {{ $dateMachine := .Date | time.Format "2006-01-02T15:04:05-07:00" }}