diff --git a/website/_site/about/index.html b/website/_site/about/index.html
index cfaa089..5703b69 100644
--- a/website/_site/about/index.html
+++ b/website/_site/about/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="About KST4Contest">
   <meta name="twitter:description" content="About KST4Contest and its contest-oriented ON4KST workflow.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/contact/index.html b/website/_site/contact/index.html
index 367c9c7..83d3919 100644
--- a/website/_site/contact/index.html
+++ b/website/_site/contact/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Contact | KST4Contest">
   <meta name="twitter:description" content="Contact options for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
@@ -86,7 +86,7 @@
     <article class="card">
       <h3>Email</h3>
       <p>For legal or website-related contact.</p>
-      <a href="mailto:TODO@example.com">TODO@example.com</a>
+      <a href="https://groups.google.com/g/kst4contest">Join the mailing list →</a>
     </article>
   </div>
 </section>
diff --git a/website/_site/download/index.html b/website/_site/download/index.html
index 0cc347f..f86a284 100644
--- a/website/_site/download/index.html
+++ b/website/_site/download/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Download KST4Contest">
   <meta name="twitter:description" content="Download KST4Contest releases for Windows, Linux and macOS.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/faq/index.html b/website/_site/faq/index.html
index fc7b193..9b16f20 100644
--- a/website/_site/faq/index.html
+++ b/website/_site/faq/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest FAQ">
   <meta name="twitter:description" content="Frequently asked questions about KST4Contest, ON4KST contest operation, AirScout integration and VHF/UHF/SHF contest workflow.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/airscout/index.html b/website/_site/features/airscout/index.html
index 84fdd72..24f362d 100644
--- a/website/_site/features/airscout/index.html
+++ b/website/_site/features/airscout/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="AirScout Integration">
   <meta name="twitter:description" content="AirScout information helps operators evaluate AP windows, aircraft scatter timing and candidate stations during VHF/UHF/SHF contests.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/dual-chat/index.html b/website/_site/features/dual-chat/index.html
index 9b84791..8229493 100644
--- a/website/_site/features/dual-chat/index.html
+++ b/website/_site/features/dual-chat/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Dual Chat Categories">
   <meta name="twitter:description" content="Dual category support gives contest operators better overview when working across multiple ON4KST chat rooms.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/dx-cluster/index.html b/website/_site/features/dx-cluster/index.html
index c235cc3..7680615 100644
--- a/website/_site/features/dx-cluster/index.html
+++ b/website/_site/features/dx-cluster/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="DXCluster Server">
   <meta name="twitter:description" content="KST4Contest includes DXCluster functionality to support situational awareness during contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/index.html b/website/_site/features/index.html
index 87d6960..4187114 100644
--- a/website/_site/features/index.html
+++ b/website/_site/features/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Features">
   <meta name="twitter:description" content="Contest-optimized ON4KST features for VHF, UHF and SHF operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/log-sync/index.html b/website/_site/features/log-sync/index.html
index 7679da8..1179f03 100644
--- a/website/_site/features/log-sync/index.html
+++ b/website/_site/features/log-sync/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Log Synchronization">
   <meta name="twitter:description" content="Log synchronization helps KST4Contest understand worked stations, active bands and contest context.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/macros/index.html b/website/_site/features/macros/index.html
index 043e002..6e9c320 100644
--- a/website/_site/features/macros/index.html
+++ b/website/_site/features/macros/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Macros and Variables">
   <meta name="twitter:description" content="Macros reduce repetitive typing and help operators respond quickly during active ON4KST contest sessions.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/priority-score/index.html b/website/_site/features/priority-score/index.html
index d081d42..8a88a66 100644
--- a/website/_site/features/priority-score/index.html
+++ b/website/_site/features/priority-score/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Priority Score System">
   <meta name="twitter:description" content="KST4Contest ranks stations by activity, direction, sked context, band information, QRG hints and operator workflow signals.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/sked-reminder/index.html b/website/_site/features/sked-reminder/index.html
index f4c3f5b..a0b1ee7 100644
--- a/website/_site/features/sked-reminder/index.html
+++ b/website/_site/features/sked-reminder/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Sked Reminder">
   <meta name="twitter:description" content="KST4Contest keeps skeds in focus while the operator handles chat traffic, logging, bands and aircraft scatter timing.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/features/timeline/index.html b/website/_site/features/timeline/index.html
index b17f919..41e6c4a 100644
--- a/website/_site/features/timeline/index.html
+++ b/website/_site/features/timeline/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Timeline View">
   <meta name="twitter:description" content="The timeline view helps operators understand short propagation windows and candidate timing during active contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/index.html b/website/_site/index.html
index f91430a..6e2265d 100644
--- a/website/_site/index.html
+++ b/website/_site/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest – Contest-Optimized ON4KST Chat Client">
   <meta name="twitter:description" content="KST4Contest is a modern ON4KST chat client built for VHF, UHF and SHF contest operation.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/legal-notice/index.html b/website/_site/legal-notice/index.html
index 4ca096d..f4a3a9f 100644
--- a/website/_site/legal-notice/index.html
+++ b/website/_site/legal-notice/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Legal Notice | KST4Contest">
   <meta name="twitter:description" content="Legal notice for the KST4Contest website.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/airscout-integration/index.html b/website/_site/manual/de/airscout-integration/index.html
index 967856d..cb61357 100644
--- a/website/_site/manual/de/airscout-integration/index.html
+++ b/website/_site/manual/de/airscout-integration/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/benutzeroberflaeche/index.html b/website/_site/manual/de/benutzeroberflaeche/index.html
index 0943531..bc0abfa 100644
--- a/website/_site/manual/de/benutzeroberflaeche/index.html
+++ b/website/_site/manual/de/benutzeroberflaeche/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/changelog/index.html b/website/_site/manual/de/changelog/index.html
index 4432218..0c48bf8 100644
--- a/website/_site/manual/de/changelog/index.html
+++ b/website/_site/manual/de/changelog/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/dx-cluster-server/index.html b/website/_site/manual/de/dx-cluster-server/index.html
index 379606f..914a0df 100644
--- a/website/_site/manual/de/dx-cluster-server/index.html
+++ b/website/_site/manual/de/dx-cluster-server/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/funktionen/index.html b/website/_site/manual/de/funktionen/index.html
index 9c96875..ea2d03f 100644
--- a/website/_site/manual/de/funktionen/index.html
+++ b/website/_site/manual/de/funktionen/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/home/index.html b/website/_site/manual/de/home/index.html
index 4e363ee..ca38512 100644
--- a/website/_site/manual/de/home/index.html
+++ b/website/_site/manual/de/home/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
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diff --git a/website/_site/manual/de/index.html b/website/_site/manual/de/index.html
index e41c0e8..d40d55d 100644
--- a/website/_site/manual/de/index.html
+++ b/website/_site/manual/de/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Deutsches Handbuch">
   <meta name="twitter:description" content="Deutsches Benutzerhandbuch für KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/installation/index.html b/website/_site/manual/de/installation/index.html
index 81fae79..7b7d31f 100644
--- a/website/_site/manual/de/installation/index.html
+++ b/website/_site/manual/de/installation/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/konfiguration/index.html b/website/_site/manual/de/konfiguration/index.html
index f090ae9..3d47edd 100644
--- a/website/_site/manual/de/konfiguration/index.html
+++ b/website/_site/manual/de/konfiguration/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/de/log-synchronisation/index.html b/website/_site/manual/de/log-synchronisation/index.html
index f4a2ad2..893a8b8 100644
--- a/website/_site/manual/de/log-synchronisation/index.html
+++ b/website/_site/manual/de/log-synchronisation/index.html
@@ -17,7 +17,7 @@
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   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
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diff --git a/website/_site/manual/de/makros-und-variablen/index.html b/website/_site/manual/de/makros-und-variablen/index.html
index 9672281..84c6bdc 100644
--- a/website/_site/manual/de/makros-und-variablen/index.html
+++ b/website/_site/manual/de/makros-und-variablen/index.html
@@ -17,7 +17,7 @@
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   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
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diff --git a/website/_site/manual/en/airscout-integration/index.html b/website/_site/manual/en/airscout-integration/index.html
index f58ef28..b50392d 100644
--- a/website/_site/manual/en/airscout-integration/index.html
+++ b/website/_site/manual/en/airscout-integration/index.html
@@ -17,7 +17,7 @@
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   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
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diff --git a/website/_site/manual/en/changelog/index.html b/website/_site/manual/en/changelog/index.html
index 378fc1c..4bced20 100644
--- a/website/_site/manual/en/changelog/index.html
+++ b/website/_site/manual/en/changelog/index.html
@@ -17,7 +17,7 @@
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   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
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diff --git a/website/_site/manual/en/configuration/index.html b/website/_site/manual/en/configuration/index.html
index 5f01feb..c5ace8a 100644
--- a/website/_site/manual/en/configuration/index.html
+++ b/website/_site/manual/en/configuration/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/dx-cluster-server/index.html b/website/_site/manual/en/dx-cluster-server/index.html
index 3082d83..c96b423 100644
--- a/website/_site/manual/en/dx-cluster-server/index.html
+++ b/website/_site/manual/en/dx-cluster-server/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/features/index.html b/website/_site/manual/en/features/index.html
index 797fd6a..9b5290c 100644
--- a/website/_site/manual/en/features/index.html
+++ b/website/_site/manual/en/features/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/home/index.html b/website/_site/manual/en/home/index.html
index 2376854..f70718a 100644
--- a/website/_site/manual/en/home/index.html
+++ b/website/_site/manual/en/home/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/index.html b/website/_site/manual/en/index.html
index 81957ff..fdc76ae 100644
--- a/website/_site/manual/en/index.html
+++ b/website/_site/manual/en/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest English Manual">
   <meta name="twitter:description" content="English user manual for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/installation/index.html b/website/_site/manual/en/installation/index.html
index 449f9b8..6267b2e 100644
--- a/website/_site/manual/en/installation/index.html
+++ b/website/_site/manual/en/installation/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/log-sync/index.html b/website/_site/manual/en/log-sync/index.html
index e7084b1..1f47112 100644
--- a/website/_site/manual/en/log-sync/index.html
+++ b/website/_site/manual/en/log-sync/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/macros-and-variables/index.html b/website/_site/manual/en/macros-and-variables/index.html
index 156e9a3..9a71830 100644
--- a/website/_site/manual/en/macros-and-variables/index.html
+++ b/website/_site/manual/en/macros-and-variables/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/en/user-interface/index.html b/website/_site/manual/en/user-interface/index.html
index a6ea1e2..a2dfcfa 100644
--- a/website/_site/manual/en/user-interface/index.html
+++ b/website/_site/manual/en/user-interface/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="{{ manual.title }} | KST4Contest Manual">
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/manual/index.html b/website/_site/manual/index.html
index 8500f4d..3c63d38 100644
--- a/website/_site/manual/index.html
+++ b/website/_site/manual/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Manual">
   <meta name="twitter:description" content="Online manual for KST4Contest, the contest-optimized ON4KST chat client.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/news/2026-07-website-launch/index.html b/website/_site/news/2026-07-website-launch/index.html
index a009bbe..42eb705 100644
--- a/website/_site/news/2026-07-website-launch/index.html
+++ b/website/_site/news/2026-07-website-launch/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Website Launch">
   <meta name="twitter:description" content="Contest-optimized ON4KST chat client for VHF, UHF and SHF ham radio contests.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/news/index.html b/website/_site/news/index.html
index 1ceb4ea..827f2ac 100644
--- a/website/_site/news/index.html
+++ b/website/_site/news/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest News">
   <meta name="twitter:description" content="News, release updates and development notes for KST4Contest.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/privacy/index.html b/website/_site/privacy/index.html
index 004171f..414adf9 100644
--- a/website/_site/privacy/index.html
+++ b/website/_site/privacy/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="Privacy Policy | KST4Contest">
   <meta name="twitter:description" content="Privacy policy for the KST4Contest website.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/_site/screenshots/index.html b/website/_site/screenshots/index.html
index e8789e3..ba593b1 100644
--- a/website/_site/screenshots/index.html
+++ b/website/_site/screenshots/index.html
@@ -17,7 +17,7 @@
   <meta name="twitter:title" content="KST4Contest Screenshots">
   <meta name="twitter:description" content="Screenshots of KST4Contest, the contest-optimized ON4KST chat client for VHF, UHF and SHF operators.">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1783381286977">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1783381592602">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 
 <meta property="og:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
diff --git a/website/src/contact/index.njk b/website/src/contact/index.njk
index 4912cfa..6db79d7 100644
--- a/website/src/contact/index.njk
+++ b/website/src/contact/index.njk
@@ -27,7 +27,7 @@ description: Contact options for KST4Contest.
     <article class="card">
       <h3>Email</h3>
       <p>For legal or website-related contact.</p>
-      <a href="mailto:TODO@example.com">TODO@example.com</a>
+      <a href="https://groups.google.com/g/kst4contest">Join the mailing list →</a>
     </article>
   </div>
 </section>
\ No newline at end of file