/* 系统提示消息样式 */
.chat-messages .bg-green-100 { background-color: #dcfce7; color: #166534; }
.chat-messages .bg-yellow-100 { background-color: #fef3c7; color: #92400e; }
.chat-messages .bg-red-100 { background-color: #fee2e2; color: #b91c1c; }