.section {overflow: hidden;}
body{
	overflow-x: hidden;
}
.banner{
	background-position: 50% 50%;height: 730px;width: 100%;
	/* margin-top: -100px; */
}

.content{background: url("../images/intro/intro-content-bg.jpg"); padding-bottom: 50px;}

.sub-title{background: url("../images/intro/sub-title-bg-0.png") center center no-repeat;background-size: cover;width: 699px;height: 120px;margin:100px auto 30px;position:relative;text-align: center;line-height: 120px;}
.sub-title.active{background: url("../images/intro/sub-title-bg-1.png") center center no-repeat;background-size: cover;-webkit-transition:all .5s ease-in-out;-ms-transition:all .5s ease-in-out;transition:all .5s ease-in-out;}

.sub-title img{vertical-align: middle;}
.fan-combo{width: 217px;height: 207px;background: url("../images/intro/fan-combo.png") no-repeat;background-position: 0 0;position: absolute;right: -87px;top: -81px;}

dl.intro-content-text{font-size: 18px;padding-bottom: 2em;}

dl.intro-content-text dd{margin-top: 2em;}

.intro-pic{background:#d71718 url("../images/intro/intro-pic-bg.png") center center no-repeat;background-size: cover;}
dd{
	text-indent: 2em;
}
dl.intro-content-text2{font-size: 18px;padding-bottom: 2em;width: 1200px;}

dl.intro-content-text2 dd{margin-top: 2em;}

.intro-bridge-wrap{height: 318px;}
.intro-bridge{width: 46px;height: 0px;margin-top: -150px;background: url("../images/intro/intro-bridge.png") no-repeat;background-position: right 0px;float: right;}
.intro-bridge.animate0{height: 318px;-webkit-transition:all 2s ease-in-out;-ms-transition:all 2s ease-in-out;transition:all 2s ease-in-out;}
.intro-bridge.animate1{width: 100%;-webkit-transition:all 2s ease-in-out;-ms-transition:all 2s ease-in-out;transition:all 2s ease-in-out;}

@media only screen and (max-width: 1366px){
	.banner{
		background-position: 25% 25%;height: 700px;width: 100%;-margin-top: -80px;
	}
	.sub-title{width: 350px;height: 60px;line-height: 60px;}
	.sub-title img{width: 109px;height: 38px;}
	.fan-combo{width: 109px;height: 104px;background: url("../images/intro/fan-combo-1366.png") no-repeat;background-position: 0 0;position: absolute;right:-43px;top: -41px;}

	dl.intro-content-text2{width: 850px;}

}

@media only screen and (max-width: 1024px){
	.banner{
		height:500px;
		background-position: 25% 50%;
	}
}
@media screen and (min-width:768px) and (max-width:1024px){
	.container{
		width: 700px;
	}
	.content{
		padding-bottom: 0;
	}
	.banner{
		height:400px;
		background-position: 25% 60%;
	}
	dl.intro-content-text2{
		width: 100%;
	}
	.intro-bridge{
		margin-top: -123px;
	}
}

@media only screen and (max-width: 767px){
	.banner{
		height: 300px;
		background-position: 19% 59%;
	}
	.container{
		width: 96%;
	}
	.sub-title{
		width: 234px;
		height: 40px;
		line-height: 40px;
		margin: 60px auto 30px;
	}
	.fan-combo{
		right: -55px;
		top: -56px;
	}
	dl.intro-content-text2{
		width: 100%;
	}
	.intro-bridge-wrap{
		display: none;
	}
}