html,
	body {
		height: 100%;
		margin: 0px;
	}

	.container {
		position: relative;
	}
	.container .image-top {
			display: block;
			position: absolute;
			top: 0.4rem;
			right: 0.1rem;
			width: 6rem;
			height: 1.8rem;
			background: url(../images/down1.png) no-repeat;
			background-size: contain;
	}
	.top_img{
		position: fixed;
		top: 0;
		z-index: 1000; /* 确保它不会被其他元素覆盖 */
	}
	.container .image-top :hover {
			display: block;
			position: absolute;
			top: 0.4rem;
			right: 0.1rem;
			width: 6rem;
			height: 1.8rem;
			background-size: contain;
		    background: url("../images/down1_1.png") no-repeat;
		/*background-image: url("../images/down1_1.png");*/
	}
	
	/*.container .image-top .disabled-class {*/
	/*		display: block;*/
	/*		position: absolute;*/
	/*		top: 0.4rem;*/
	/*		right: 0.1rem;*/
	/*		width: 6rem;*/
	/*		height: 1.8rem;*/
	/*		background-size: contain;*/
		/*background: url("../images/down1_1.png") no-repeat;*/
	/*	background-image: url("../images/down1_1.png");*/
	/*}*/
	.container .image-btm {
		display: block;
		position: fixed;
		bottom: 0.4rem;
		left: 50%;
		top:48%;
		z-index: 99;
		margin-left: -7.5rem;
		/* margin-top: -2.4rem; */
		width: 15rem;
		height: 3.16rem;
		/*background: url("../images/down2.png") no-repeat;*/
		background-size: contain;
	}
	.container .image-btm :hover {
		display: block;
		position: fixed;
		bottom: 0.4rem;
		left: 50%;
		top:48%;
		z-index: 99;
		margin-left: -7.5rem;
		/* margin-top: -2.4rem; */
		width: 15rem;
		height: 3.16rem;
		background-size: contain;
		background: url("../images/down2_2.png") no-repeat;
	}
	
	.container .image-btm .disabled-class {
		display: block;
		position: fixed;
		bottom: 0.4rem;
		left: 50%;
		top:48%;
		z-index: 99;
		margin-left: -7.5rem;
		/* margin-top: -2.4rem; */
		width: 15rem;
		height: 3.16rem;
		background-size: contain;
		/*background-image: url("../images/down2_2.png");*/
		background: url("../images/down2_2.png");
	}
			
	.container .image-center  img{
		display: block;
		width: 100%;
		height: auto;
	}