#container{width:100%;height:100%;position:relative}.fullscreen-btn{position:absolute;top:12px;right:12px;z-index:200;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;gap:6px;padding:8px 14px;background:hsla(0,0%,100%,.9);border:1px solid #ddd;border-radius:6px;color:#333;font-size:13px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.15)}.fullscreen-btn:hover{background:#fff;border-color:#1890ff;color:#1890ff;box-shadow:0 2px 12px rgba(24,144,255,.3)}.fullscreen-btn svg{-ms-flex-negative:0;flex-shrink:0}.fullscreen-btn span{white-space:nowrap}