Index: src/views/partials/post-card.ejs
===================================================================
--- src/views/partials/post-card.ejs	(revision 38120c7ecacf8fe6e6b22191e9bbcad5017b94c4)
+++ src/views/partials/post-card.ejs	(revision 2a58d761b4f5175f328218b73895dfbc2210389f)
@@ -53,5 +53,5 @@
            sizes="(min-width: 768px) 120px, 100vw"
            alt="" loading="lazy" decoding="async"<% if (post.cover_video_url) { %> data-ios-mp4="<%= post.cover_video_url %>"<% } %>>
-      <% } else if (post.cover_video_url) { %><video src="<%= post.cover_video_url %>" autoplay loop muted playsinline></video><% } %>
+      <% } else if (post.cover_video_url) { %><video src="<%= post.cover_video_url %>" poster="<%= thumb(post.cover_video_url, 480) %>" autoplay loop muted playsinline></video><% } %>
       <% if (post.nsfw) { %><span class="nsfw-veil"><span class="nsfw-veil-label">🔞 <%= post.content_warning || t('post.nsfw_warning') %></span><span class="nsfw-veil-btn"><%= t('post.nsfw_show') %></span></span><% } %>
     </a>