diff --git a/public/frontend/event-site-en.html b/public/frontend/event-site-en.html
index 27d0df2..37f2bb5 100644
--- a/public/frontend/event-site-en.html
+++ b/public/frontend/event-site-en.html
@@ -5863,8 +5863,9 @@
     /* 与中文版首屏一致：大标题宋体加粗，单位黑体 Regular */
     .hero-slogan .slogan-second {
       font-family: "Event Songti", serif !important;
-      font-weight: 800 !important;
+      font-weight: 900 !important;
       font-synthesis: weight;
+      -webkit-text-stroke: 0.6px currentColor;
     }
     .hero-organizers,
     .hero-organizers dt,
diff --git a/public/frontend/event-site.html b/public/frontend/event-site.html
index e684c1b..2eba0f4 100644
--- a/public/frontend/event-site.html
+++ b/public/frontend/event-site.html
@@ -5401,8 +5401,9 @@
     }
     html body .hero-slogan .slogan-second {
       font-family: var(--font-serif) !important;
-      font-weight: 800 !important;
+      font-weight: 900 !important;
       font-synthesis: weight;
+      -webkit-text-stroke: 0.6px currentColor;
     }
     .audience-tracks-layout .audience-index .audience-callout,
     .audience-tracks-layout .audience-index .audience-callout em {