欢迎语：渲染为蓝色边框公告样式（低于系统公告），发送前临时设 action=欢迎

resources/views/chat/partials/scripts.blade.php

@@ -151,8 +151,16 @@
         const menu = document.getElementById('welcome-menu');
         if (menu) { menu.style.display = 'none'; }
 
+        // 临时把 action 设为「欢迎」，让消息在聊天窗口以瓦蓝边框样式显示
+        const actionSel = document.getElementById('action');
+        const prevAction = actionSel?.value || '';
+        if (actionSel) { actionSel.value = '欢迎'; }
+
         // 自动触发发送
-        sendMessage(null);
+        sendMessage(null).finally(() => {
+            // 发完后恢复原来的 action
+            if (actionSel) { actionSel.value = prevAction; }
+        });
     }
 
     // 点击页面任意位置，关闭欢迎语浮层
@@ -492,6 +500,19 @@
 
             html = `${iconImg} ${parsedContent}`;
         }
+        // 贾妖语 —— 蓝色左边框渐变样式，比 系统公告 低调
+        else if (msg.action === '欢迎') {
+            div.style.cssText =
+                'background: linear-gradient(135deg, #eff6ff, #f0f9ff); border: 1.5px solid #3b82f6; border-radius: 5px; padding: 5px 10px; margin: 3px 0; box-shadow: 0 1px 3px rgba(59,130,246,0.12);';
+
+            let parsedContent = msg.content;
+            parsedContent = parsedContent.replace(/【([^】]+)】/g, function(match, uName) {
+                return '【' + clickableUser(uName, '#1d4ed8') + '】';
+            });
+
+            html = `<div style="color: #1e40af;">&#x1F4AC; ${parsedContent} <span style="color: #93c5fd; font-size: 11px; font-weight: normal;">(${timeStr})</span></div>`;
+            timeStrOverride = true;
+        }
         // 接下来再判断各类发话人
         else if (systemUsers.includes(msg.from_user)) {
             if (msg.from_user === '系统公告') {