.subnav {
	background-color: #F7F7F7;
}

.subnav li{
	width: 20%;
	border-right: 1px solid #B3B3B3;
	float: left;
}
.subnav li a{
	display: block;
	border-right: 1px solid #B3B3B3;
	height: 1.33rem;
	line-height: 1.33rem;
	text-align: center;
	font-size: 18px;
}
.subnav li:last-child {
	border: 0;
}

.subnav li .active {
	background-color: #7DC4EC;
	color: #FFFFFF;
}

.about-center {
	width: 1640px;
	margin: 10px auto;
}

.about-center h2 {
	text-align: center;
	padding: 50px 0;
}

.about-center h2 span {
	border-bottom: 1px solid #CCCCCC;
	padding: 20px;
}

.words p {
	font-size: 18px;
	padding: 5px 0;
	line-height: 35px;
	text-indent: 2em;
}

.words
{
  	font-size: 18px;
	padding: 5px 0;
	line-height: 35px;
	text-indent: 2em;  
	color:#666666;
    }

.words p img {
	width: 40%;
	height: auto;
	margin: 10px;
}

.words-img {
	margin-bottom: 30px;
}

.words-img img {
	float: left;
	width: 32%;
	margin-right: 2%;
}

.words-img img:last-child {
	margin: 0;
}

.about-content ul li:first-child {
	display: block;
}

.about-content ul li {
	display: none;
}


/*响应*/

@media (max-width: 1640px) {
	.about-center {
		width: 1340px;
	}
}

@media (max-width: 1430px) {
	.about-center {
		width: 1170px;
	}
}

@media (max-width: 1200px) {
	.about-center {
		width: 970px;
	}
	.subnav li a{
		height: 80px;
		line-height: 80px;
	}
}

@media (max-width: 992px) {
	.about-center {
		width: 750px;
	}
	.subnav li a{
		height: 60px;
		line-height: 60px;
	}
}

@media (max-width: 768px) {
	.about-center {
		width: 90%;
	}
	.subnav li a{
		height: 0.8rem;
		line-height: 0.8rem;
		font-size: 0.3rem;
	}
	.words p {
		line-height: 35px;
	}
	.words p img {
		width: 97%;
		float: none;
		display: block;
	}
	.words-img img {
		width: 100%;
		margin-bottom: 10px;
	}
	.words p{
		font-size: 0.32rem;
		width: 100%;
	}
	.about-center h2{
		font-size: 0.4rem;
	}
}