body{margin:0;padding:0;background:rgba(0,0,0,0.8);}
*{outline: none; /* 去除点击时的轮廓线 */ -webkit-tap-highlight-color: rgba(0,0,0,0); /* 去除iOS上的点击高亮 */}

.chatView{position:fixed;z-index:101;top:0%;left:0%;width:100%;height:100%;text-align:center;background:rgba(0,0,0,0.3);}
.chatContentView_pc{position:fixed;z-index:101;top:50%;left:50%;transform:translate(-50%,-50%);width:900px;height:95vh;border-radius:21px;box-shadow:5px 5px 5px 5px rgba(0,0,0,0.2);overflow:hidden;background:none;}
.chatContentView_mb{width:100%;height:100%;overflow:hidden;}
.chatViewContent{margin:0;padding:0;width:100%;height:100%;border:none;overflow:hidden;outline:none;background:none;}