#loading{
	bottom:0;
	left:0;
	position:fixed;
	right:0;
	top:0;
	z-index:9999;
	background-color:#f4f5f5;
	pointer-events:none;
	transition:opacity .3s ease;
}

.loader-gif{
	position:absolute;
	top:50%;
	left:50%;
	transform:translate(-50%,-50%);
	width:auto;   /* 根据需要调整 */
	height:auto;  /* 保持或改为 auto */
	object-fit:contain;
	z-index:999991;
}