/* 自定义消息容器样式 */
   .message-container {
       position: fixed;
       min-width: 380px;
       top: 20px;
       left: 50%;
       transform: translate(-50%, 0);
       z-index: 2000;
       transition: all 0.5s;
   }

   /* 消息动画 */
   .el-message {
       transition: all 0.5s;
       opacity: 0;
       transform: translate(-50%, -100%);
   }

   .el-message.show {
       opacity: 1;
       transform: translate(-50%, 0);
       transition: all 0.5s;
   }