#kefu {
		background: rgba(0, 0, 0, 0) url("../images/200.png") no-repeat scroll 0 0;
		height: 380px;
		margin-top: -207px;
		position: fixed;
		right: -130px;
		top: 60%;
		width: 171px;
	}
	#kefu:hover{
		right: 0px;
	}
	.kefu_ul{
	margin-top: 65px;
	margin-left: 45px;
	}


body, html, h2, h3, h4, h1, h5, h6, span, p, i, dl, ol, ul, li, dt, a, img {
    font-family: '微软雅黑';
    font-size: 12px;
    font-weight: normal;
    list-style: none;
    margin: 0;
    padding: 0;
}