.ai-wrap{
	width: 1200px;
	margin: 0 auto;
	overflow: hidden;
}
.ai-img{
	display: block;
	width: 1228px;
	margin: 120px auto 0;
}
.ai-video{
	display: block;
	width: 1136px;
	margin: 120px auto 0;
}
.ai-banner{
	position: relative;
	width: 100%;
	height: 800px;
	background: url(../ai-thermo/images/banner.jpg) no-repeat center center;
}
.ab-tel{
	position: absolute;
	left: 50%;
	bottom: 20px;
	width: 800px;
	margin: 0 0 0 -300px;
	color: #fff;
	font-weight: bold;
	font-size: 30px;
	line-height: 40px;
	text-align: right;
}
.ai-pro{
	width: 1228px;
	margin: 0 auto;
	overflow: hidden;
}
.ai-pro-btn{
	float: right;
	display: inline-block;
	width: 310px;
	margin: 15px 44px 0 0;
}
.ai-footer{
	position: relative;
	width: 100%;
	height: 220px;
	margin-top: 80px;
	background: url(../ai-thermo/images/footer_bg.jpg) no-repeat center center;
	background-size: cover;
}
/*.af-item{
	position: absolute;
	left: 50%;
	top: 50%;
	width: 800px;
	height: 120px;
	padding-top: 80px;
	margin:-118px 0 0 -400px;
	color: #fff;
	text-align: center;
}
.af-tel{
	font-weight: bold;
	font-size: 24px;
	line-height: 35px;
}
.af-tel span{
	margin-left:176px;
}
.af-nav{
	margin-top: 26px;
	font-size: 18px;
}
.af-nav a{
	color: #fff !important;
	margin-right: 22px;
	text-decoration: underline;
}*/
.ai-h3{
	margin: 32px 0 15px;
	font-size: 26px;
}
.ai-pdf{
	height: 24px;
	line-height: 24px;
	font-size: 16px;
}
.ai-pdf a{
	text-decoration: underline;
}
.ai-table{
	width: 1200px;
	margin-top: 22px;
	border-collapse: collapse;
}
.ai-table td{
	border: 1px solid #ddd;
	font-size: 16px;
	padding: 6px 8px;
}
.ai-faq{
	width: 1200px;
	overflow: hidden;
	margin-bottom: 26px;
}
.ai-faq dt{
	font-weight: bold;
	font-size: 15px;
	margin-bottom: 6px;
}
.ai-faq dd{
	font-size: 15px;
	color: #444;
	line-height: 26px;
	position: relative;
}
.ai-faq dd.dot:before{
	position: absolute;
	left: -16px;
	top: 8px;
	content: "";
	width: 6px;
	height: 6px;
	background: #000;
	border-radius: 50% 50%;
}