*{
	margin: 0;
	padding: 0;
}
/* 客服按钮样式，需要根据不同网站自己写，这里只是参考*/
.kfMenu {
	position: fixed;
	right: 20px;
	bottom: 80px;
	cursor: pointer;
	display: block;
	width: 100px;
	height: 100px;
	z-index: 999;
}

/* 遮罩层样式 */
.maskBox {
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(0, 0, 0, .2);
	z-index: 998;
	display: none;
}

.maskBox.show {
	display: block;
}

/* ifream 区域样式 */
.ifreamBox {
	position: fixed;
	top: 50%;
	right: -650px;
	display: block;
	width: 650px;
	height: 600px;
	margin-top: -300px;
	background: #fff;
	transition: all ease-in-out .3s;
	z-index: 999;
	border-radius: 6px;
	overflow: hidden;
}

.ifreamBox.show {
	right: 20px;
}