*{
	margin: 0;
	padding: 0;
}

li{
	list-style-type: none;
}

a{
	text-decoration: none;
	color: #000000;
}

body{
	margin: auto;
	font-family: "microsoft yahei";
}
.iframe{
	box-shadow: 0 0 9px rgba(0,0,0,.3);
	display: block;
}

.building-banner{
	width: 100%;
	height: 0;
	background: url(../img/smartBuilding01.png) center no-repeat;
	padding-bottom: 25.2%;
	background-size: 100%;
}
.buildingTitle{
	width: 1000px;
	margin:40px auto;
	text-align: center;
}

.buildingTitle > p{
	font-size: 30px;
	color: #2B4DA6;
	letter-spacing: 2px;
	margin: 10px 0;
}

.buildingTitle>p:last-child{
	font-size: 16px;
	float: right;
}

.buildingContent1{
	width: 1000px;
	margin:90px auto 25px auto;
	height: 500px;
}

.buildingContent1 > li{
	float: left;
}

.buildingContent1 > li:first-child{
	width: 55%;
}
.buildingContent1 > li:first-child>p{
	font-size: 18px;
	line-height: 36px;
	text-align: justify;
}
.buildingContent1 > li:first-child>p:first-child{
	font-size: 22px;
}
.buildingContent1 > li:first-child>p:last-child{
	text-indent: 34px;
}
.buildingContent1 > li:last-child{
	width: 45%;
	text-align: center;
	font-size: 18px;
}

.buildingContent2{
	width: 1000px;
	margin:50px auto 25px auto;
	height: 600px;
}

.buildingContent2 > li{
	float: left;
	font-size: 18px;
}

.buildingContent2 > li:first-child{
	width: 45%;
	text-align: center;
}
.buildingContent2 > li:last-child>p{
	line-height: 38px;
}
.buildingContent2 > li:last-child>p:first-child{
	font-size: 22px;
}
.buildingContent2 > li:last-child>p:last-child{
	text-indent: 34px;
	text-align: justify;
}
.buildingContent2 > li:last-child{
	width: 50%;
	margin-top: 50px;
}