diff --git a/resources/css/chat.css b/resources/css/chat.css
index 23af76d..8712fa3 100644
--- a/resources/css/chat.css
+++ b/resources/css/chat.css
@@ -53,6 +53,13 @@
     --scrollbar-track: #EAF2FF;
 }
 
+/* Emoji 字体回退：仅对 Emoji 字符生效，不影响中文文本 */
+@font-face {
+    font-family: 'EmojiFallback';
+    src: local('Apple Color Emoji'), local('Segoe UI Emoji'), local('Segoe UI Symbol'), local('Noto Color Emoji');
+    unicode-range: U+1F300-1F9FF, U+2600-26FF, U+2700-27BF, U+1F600-1F64F, U+1F680-1F6FF, U+200D, U+20E3, U+231A-231B, U+23E9-23F3, U+23F8-23FA, U+25AA-25AB, U+25B6, U+25C0, U+25FB-25FE, U+FE00-FE0F, U+1F3FB-1F3FF, U+1F9B0-1F9B3, U+1F1E0-1F1FF;
+}
+
 * {
     margin: 0;
     padding: 0;
@@ -60,7 +67,7 @@
 }
 
 body {
-    font-family: "Microsoft YaHei", "SimSun", "宋体", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", sans-serif;
+    font-family: "Microsoft YaHei", "SimSun", "宋体", "EmojiFallback", sans-serif;
     font-size: 10pt;
     background: var(--bg-main);
     color: var(--text-navy);