调整系统消息气泡样式

web/style.css

@@ -920,15 +920,14 @@ body {
 .bubble.system {
   max-width: 70%;
   padding: 5px 14px;
-  border-radius: 12px;
-  margin: 5px auto;
+  border-radius: 20px;
+  margin: 0px auto 5px;
   font-size: 13px;
   line-height: 1.4;
   position: relative;
-  box-shadow: 1px 0px 20px 0px #d5d5d580;
   word-break: break-word;
-  background: #f0f4f8;
+  background: #f0f4f8b3;
   color: #555;
   display: inline-block;
   text-align: center;
-}
+}