diff --git a/astro.config.mjs b/astro.config.mjs
index 08bace4..43e7aa5 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -242,13 +242,20 @@ export default defineConfig({
                   { label: 'Install and connect', slug: 'selive/getting-started' },
                 ] },
                 { label: 'Guides', items: [
-                  { label: 'YouTube quickstart', slug: 'selive/guides/youtube-quickstart', badge: { text: '5 parts', variant: 'note' } },
+                  { label: 'YouTube quickstart', collapsed: true, items: [
+                    { label: 'Overview', slug: 'selive/guides/youtube-quickstart' },
+                    { slug: 'selive/guides/youtube-quickstart/create-your-account' },
+                    { slug: 'selive/guides/youtube-quickstart/dashboard-tour' },
+                    { slug: 'selive/guides/youtube-quickstart/build-your-overlay' },
+                    { slug: 'selive/guides/youtube-quickstart/connect-obs-and-go-live' },
+                    { slug: 'selive/guides/youtube-quickstart/set-up-your-chatbot' },
+                  ] },
                   { label: 'Add overlays and alerts', slug: 'selive/guides/overlays-and-alerts' },
                   { label: 'Create a vertical canvas', slug: 'selive/guides/canvas' },
                   { label: 'Manage scenes and sources', slug: 'selive/guides/scenes-and-sources' },
                   { label: 'Set up multistreaming', slug: 'selive/guides/multistreaming' },
                   { label: 'Twitch dual format', slug: 'selive/guides/twitch-dual-format' },
-                  { label: 'YouTube dual stream', slug: 'selive/guides/youtube-dual-stream', badge: { text: 'Beta', variant: 'caution' } },
+                  { label: 'YouTube dual stream', slug: 'selive/guides/youtube-dual-stream', badge: { text: 'Beta', variant: 'default' } },
                   { label: 'Save replays with Backtrack', slug: 'selive/guides/backtrack' },
                   { label: 'YouTube setup', slug: 'selive/guides/youtube-setup' },
                   { label: 'All guides', slug: 'selive/guides' },
diff --git a/src/styles/custom.css b/src/styles/custom.css
index da52c86..3b7df34 100644
--- a/src/styles/custom.css
+++ b/src/styles/custom.css
@@ -293,3 +293,17 @@
   }
   .hero .actions a { justify-content: center; }
 }
+
+/* "Beta" sidebar badge: matches the Beta badge in @frontend/ui (purple
+   translucent pill, 12px/500 text; same values in light and dark). */
+.sidebar-content .sl-badge.default {
+  --se-beta: rgb(123 62 254);
+  background-color: color-mix(in srgb, var(--se-beta) 16%, transparent);
+  border: 0;
+  border-radius: 8px;
+  color: var(--se-beta);
+  font-size: 12px;
+  font-weight: 500;
+  line-height: 16px;
+  padding: 0 6px;
+}