.serviceleft {
	right: 0;
	position: fixed;
	top: 150px;
	width: 51px;
}
.si_serviceleft {
	position:relative;
}
.si_serviceleft1, .si_serviceleft2 {
	position:absolute;
	right:0px;
}
.QQ_1{width:51px; height:41px; position:relative; z-index:789; float:left;}
.QQ_1 a{position:absolute; display:block; z-index:789; background:url(../images/QQ-1.png) no-repeat; bottom:0px; left:0px; width:51px; height:50px;cursor: pointer;}
.QQ_2{ width:51px; height:36px; float:left; background:url(../images/QQ.png) no-repeat right bottom; cursor:pointer;}