#floatBoxBg {
	width: 100%;
	height: 100%;
	background: #000;
	filter: alpha(opacity = 50);
	opacity: 0.5;
	position: absolute;
	top: 0;
	left: 0;
}

.floatBox {
	width: 1010px;
	/* height: 400px; */
	position: fixed;
	left: 50%;
    top: 50%;
	z-index: 11;
	/*设定这个div的margin-top的负值为自身的高度的一半,margin-left的值也是自身的宽度的一半的负值.*/
	/*宽为400,那么margin-top为-200px*/ /*高为200那么margin-left为-100px;*/
	margin: -300px 0 0 -505px;
}

.floatBox .title {
	height: 36px;
	padding: 20px 20px 0 20px;
	border-top: 8px solid #00a3f0;
	/* border-top: 5px solid #97999a; */
	background: #fff;
}

.floatBox .title h4 {
	float: left;
	padding: 0;
	color: #00a3f0;
}

.floatBox .title span {
	float: right;
	cursor: pointer;
	background: #00a3f0;
	border: 0;
	color: #FFFFFF;
	height: 30px;
	line-height: 30px;
	width: 80px;
	text-align: center;
}

.floatBox .content {
	background: #fff;
}

.contract_tab {
	width: 975px;
	border-top: 0px solid #00a3f0;
	padding: 10px 20px 14px 20px;
}