diff --git a/backend/main.py b/backend/main.py
index 89c5ef1..8eebbd2 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -327,7 +327,7 @@ MEDIA_DIR = os.getenv("MEDIA_DIR", "/data/media")
 os.makedirs(MEDIA_DIR, exist_ok=True)
 app.mount("/media", StaticFiles(directory=MEDIA_DIR), name="media")
 
-APP_VER = "740"  # muss mit APP_VER in app.js übereinstimmen
+APP_VER = "741"  # muss mit APP_VER in app.js übereinstimmen
 
 @app.get("/api/version")
 async def app_version():
diff --git a/backend/static/index.html b/backend/static/index.html
index 619edc4..2f22a0a 100644
--- a/backend/static/index.html
+++ b/backend/static/index.html
@@ -578,7 +578,7 @@
 <script src="/js/api.js?v=94"></script>
 <script src="/js/ui.js?v=94"></script>
 <script src="/js/app.js?v=94"></script>
-<script src="/js/worlds.js?v=740"></script>
+<script src="/js/worlds.js?v=741"></script>
 
 <!-- Feature-Seiten werden lazy geladen -->
 
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 74f2440..abd4347 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '740'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '741'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.4.0'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
diff --git a/backend/static/js/worlds.js b/backend/static/js/worlds.js
index 70a5056..2a56755 100644
--- a/backend/static/js/worlds.js
+++ b/backend/static/js/worlds.js
@@ -888,7 +888,7 @@ window.Worlds = (() => {
   // ── CHIP-HELPER ──────────────────────────────────────────────
 
   function _chip(icon, label, page, locked = false) {
-    const style = locked ? 'opacity:0.12;cursor:default;' : '';
+    const style = locked ? 'opacity:0.25;cursor:default;' : '';
     return `
       <div class="world-chip" ${locked ? '' : `data-wnav="${page}"`} style="${style}">
         <svg class="ph-icon" style="width:1.4rem;height:1.4rem">
diff --git a/backend/static/sw.js b/backend/static/sw.js
index 2edfe00..9069442 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v740';
+const CACHE_VERSION = 'by-v741';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache