diff --git a/public/js/effects/effect-sounds.js b/public/js/effects/effect-sounds.js
index 3b61c93..ee82891 100644
--- a/public/js/effects/effect-sounds.js
+++ b/public/js/effects/effect-sounds.js
@@ -6,6 +6,7 @@
  * 对外 API：
  *   EffectSounds.play(type)  播放指定特效的背景音效
  *   EffectSounds.stop()      停止并释放当前音效资源
+ *   EffectSounds.ding()      播放简短叮咚通知音（大/小卡片弹出时使用）
  *
  * 支持的 type：
  *   lightning  雷鸣闪电（三层合成：放电啪声 + 低频轰鸣 + 极低频滚动余韵）
@@ -428,6 +429,72 @@ const EffectSounds = (() => {
         }
     }
 
+    // ─── 叮咚通知音（大卡片 / 小卡片弹出时调用）─────────────────
+
+    /**
+     * 播放简短的叮咚两音通知音效。
+     *
+     * 音型：A5（880Hz）→ 间隔 110ms → E5（659Hz），均为正弦波，
+     * 快速冲击 + 铃铛式缓慢衰减，总时长约 0.5 秒。
+     * 禁音状态下自动跳过。
+     */
+    function ding() {
+        if (localStorage.getItem("chat_sound_muted") === "1") return;
+        try {
+            const ctx = _getCtx();
+            const master = ctx.createGain();
+            master.gain.value = 0.45;
+            master.connect(ctx.destination);
+
+            /**
+             * 播放单音：快速冲击 + 铃铛衰减包络
+             *
+             * @param  {number}  freq      频率（Hz）
+             * @param  {number}  t0        相对于 ctx.currentTime 的时刻
+             * @param  {number}  decay     衰减时长（秒）
+             */
+            function _tone(freq, t0, decay) {
+                const osc = ctx.createOscillator();
+                osc.type = "sine";
+                osc.frequency.value = freq;
+
+                // 轻柔泛音（×2.76 铃铛泛音比，音量 10%）
+                const osc2 = ctx.createOscillator();
+                osc2.type = "sine";
+                osc2.frequency.value = freq * 2.76;
+                const g2 = ctx.createGain();
+                g2.gain.value = 0.1;
+
+                const env = ctx.createGain();
+                env.gain.setValueAtTime(1.0, t0);
+                env.gain.exponentialRampToValueAtTime(0.001, t0 + decay);
+
+                osc.connect(env);
+                osc2.connect(g2);
+                g2.connect(env);
+                env.connect(master);
+
+                osc.start(t0);
+                osc.stop(t0 + decay + 0.05);
+                osc2.start(t0);
+                osc2.stop(t0 + decay + 0.05);
+            }
+
+            const now = ctx.currentTime;
+            _tone(880, now, 0.35); // 叮：A5，先响
+            _tone(659, now + 0.11, 0.4); // 咚：E5，稍低稍长
+
+            // 0.7 秒后释放主节点
+            setTimeout(() => {
+                try {
+                    master.disconnect();
+                } catch (_) {}
+            }, 700);
+        } catch (e) {
+            console.warn("[EffectSounds.ding] 通知音播放失败:", e);
+        }
+    }
+
     /**
      * 停止当前音效并释放资源。
      */
@@ -440,5 +507,8 @@ const EffectSounds = (() => {
         }
     }
 
-    return { play, stop };
+    return { play, stop, ding };
 })();
+
+// 将叮咚通知音暴露为独立全局变量，供 toast/banner 等组件直接调用
+window.chatSound = { ding: () => EffectSounds.ding() };
diff --git a/resources/views/chat/partials/scripts.blade.php b/resources/views/chat/partials/scripts.blade.php
index ac146b9..5dc5f2b 100644
--- a/resources/views/chat/partials/scripts.blade.php
+++ b/resources/views/chat/partials/scripts.blade.php
@@ -822,6 +822,9 @@
         function show(opts = {}) {
             ensureKeyframes();
 
+            // 大卡片弹出时播放叮咚通知音
+            if (window.chatSound) window.chatSound.ding();
+
             const id = opts.id || 'chat-banner-default';
             const gradient = (opts.gradient || ['#4f46e5', '#7c3aed', '#db2777']).join(', ');
             const titleColor = opts.titleColor || '#fde68a';
diff --git a/resources/views/chat/partials/toast-notification.blade.php b/resources/views/chat/partials/toast-notification.blade.php
index d875601..3c0f5f6 100644
--- a/resources/views/chat/partials/toast-notification.blade.php
+++ b/resources/views/chat/partials/toast-notification.blade.php
@@ -105,6 +105,9 @@
 
             container.appendChild(card);
 
+            // 弹出时播放叮咚通知音
+            if (window.chatSound) window.chatSound.ding();
+
             // 自动消失
             if (duration > 0) {
                 setTimeout(() => dismiss(card), duration);