.main-view{
	width:100vw;
	height:100%;
	overflow: hidden;
	position: relative;
}
canvas { width:100vw; height:calc(100vh - 408px);z-index: 10;position: relative;top: 0px;}
#mapDiv{
	background-color: #fff;
}
page {
    -webkit-user-select: none;
    user-select: none;
    width: 100%;
	height:100vh;
    overflow-x: hidden;
    overflow-y: hidden;
}
/* 生成截屏的画布对象 */
#canvas {
	width: 100vw;
	z-index: -1;
	position: absolute;
	left:0px;
	top: -100vh;
}
.canvas-view{
	position:relative;
}
.lable-view{
	position:absolute;
	width:100vw;
}