.sidebar{
	position: sticky;
	top: 0;
}
.txtb{
	padding: 12px 15px;
}
.morea:hover .txtb{
	background: #000;
	color: #FFFFFF;
}

@media (max-width: 999px) {
	.house{
		padding: 0;
		background: #fff;
	}
	.b4,.b_4{
		width: 100%;
	}
	.b4>.pad10,.b_4>.pad10{
		padding: 10px 0;
	}
	.pad20.bg{
		padding: 20px 6px;
	}
	h1.f36{
		font-size: 24px;
	}
	.list>.pad15{
		padding: 15px 6px;
	}
	.b3.pad10{
		width: 50%;
		padding: 10px 6px;
	}
	.sidebar>.b1 .pad10{
		padding: 15px 6px;
	}
	.kefu{
		padding: 10px 12px;
	}
}