h1,h3,p{
	margin: 0px;
	padding: 0px;
}
.introduction_head{
	width: 100%;
	min-height: 6em;
	background-color: white;
	background-image: url(../img/enterprise_bg.jpg);
	background-size: cover;
	position: relative;
	overflow: hidden;
	padding-top: 0.8rem;
}
.introduction_head_content{
	width: 14em;
	margin: auto;
}
.introduction_head_content h1{
	font-size: 0.64em;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #21497E;
	text-align: center;
}
.introduction_head_content h3{
	font-size: 0.4em;
	font-family: Microsoft YaHei;
	font-weight: 300;
	color: #A8C7E1;
	margin-bottom: 0.2em;
	text-align: center;
}
.introduction_head_content_intro{
	width: 100%;
	min-height: 1em;
	border-bottom: 1px solid #A8C7E1;
	border-top: 1px solid #A8C7E1;
	position: relative;
	padding: 0.57rem 0 0.77rem 0;
}
.introduction_head_dots{
	width: 0.2em;
	height: 0.2em;
	border-radius: 0.2em;
	background: #21497E;
	position: absolute;
	left: 50%;
	top: -0.1em;
}
.introduction_head_content_intro_cont{
	width: 100%;
	font-size: 0.27em;
	font-family: Microsoft YaHei;
	font-weight: 300;
	color: #333;
	line-height: 0.5rem;
}
.one{
	margin-top: 0.3em;
}
#list > ul{
	align-items: stretch;
}
#list > ul li{
	width: 31.3333%;
	padding: .3em 1%;
	
}
#list > ul li h4{
	margin-top: 0;
	margin-bottom: .4em;
	line-height: 2;
	font-size: .32em;
	color: #21497E;
	font-weight: 400;
	border-bottom: solid 1px #A8C6E1;
}
#list > ul li p{
	font-size: .27em;
	font-weight: 300;
}
#list > ul li .img{
	margin-top: .4em;
}

.introduction_box_phone{
	display: none;
}
@media screen and (max-device-width: 950px){
	.introduction_head_content_intro_cont{
		line-height: 1rem;
		font-size: 0.6rem;
	}
}
@media screen and (max-width: 750px)
{
	.introduction_head{
		padding-top: 1rem;
		padding-bottom: 0.5rem;
	}
	.introduction_head_content_intro{
		padding: 0.2em 0px;
	}
	.introduction_head_content{
		width: 90%;
	}
	.introduction_head_content h1{
		font-size: 1em;
	}
	.introduction_head_content h3{
		font-size: .85em;
	}
	#list > ul li{
		width: 100%;
	}
	#list > ul li h4{
		font-size: .85em;
	}
	#list > ul li p{
		font-size: .8em;
	}
}
@media screen and (max-width:400px) {
	.introduction_head_content_intro_cont{
		line-height: 1.4rem;
	}
}