/* 公共样式 */
*{
    margin:0;
    padding: 0;
}
div{
	display: table-cell;
	vertical-align: middle;
	text-align: center;
}
.container{
    width: 100%;
    position: relative;
}
.container img{
    height: 750px;
}
.ts{
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 999;
    display: none;
}
@media screen and (min-width: 1200px) {
	.container .btn{
		position: absolute;
		top: 80%;
		margin-top: 0px;
		width: 100%;
		height: 100px;
		text-align: center;
	}
	.container .btn img{
		height: 80px;
        	width: 120px;
	}
}
@media screen and (max-width: 1200px) {
    .container .btn{
		position: absolute;
		top: 80%;
		margin-top: 0px;
		width: 100%;
		height: 100px;
		text-align: center;
	}
	.container .btn img{
		height: 80px;
        	width: 120px;
	}
}