diff --git a/public/frontend/event-site.html b/public/frontend/event-site.html
index fcd4a7e..18cf564 100644
--- a/public/frontend/event-site.html
+++ b/public/frontend/event-site.html
@@ -5358,7 +5358,7 @@
       white-space: nowrap !important;
     }
 
-    /* 系统黑体 / 宋体；标题宋体，其余黑体且不加粗 */
+    /* 系统黑体 / 宋体；大标题与小标题宋体并略加粗；「寻找光通信…」黑体 Regular */
     body,
     body * {
       font-family: var(--font-sans) !important;
@@ -5366,17 +5366,28 @@
       font-synthesis: none;
     }
     .audience-detail > p,
-    .audience-tracks-layout .audience-index span {
+    .audience-tracks-layout .audience-index span,
+    .audience-tracks-layout .audience-index .audience-callout,
+    .audience-tracks-layout .audience-index .audience-callout em {
+      font-family: var(--font-sans) !important;
       font-weight: 400 !important;
     }
     .hero-slogan .slogan-second,
     .audience-tracks-layout .audience-index h2,
+    .audience-tracks-layout .audience-stage strong,
+    .audience-tracks-layout .audience-stage .stage-sub,
+    .audience-tracks-layout .audience-type strong,
     .audience-tracks-layout .tracks .section-title,
     .audience-tracks-layout .tracks .section-title span,
+    .tracks-summary strong,
+    .audience-tracks-layout .tracks .track-card h3,
     .roadmap .section-title,
-    .awards .section-title {
+    .roadmap .step h3,
+    .roadmap .step p strong,
+    .awards .section-title,
+    .awards .award-card h3 {
       font-family: var(--font-serif) !important;
-      font-weight: 400 !important;
+      font-weight: 600 !important;
     }
 
     /* 赛程地点固定在卡片底部，四卡同一高度对齐 */