.hotSelling {
		width: 100vw;
		height: 10vh;
		background-color: #fff;
		border-top: 1px solid #b6b6b6;
		position: fixed;

		// bottom: 98rpx;
		bottom: var(--window-bottom);//！！！！！

		right: 0;
		left: 0;
		display: flex;
		padding: 1.75vh;
		box-sizing: border-box;
}