.banner {
	width: 100%;
	height: 600px;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
}

.banner h4 {
	font-size: 48px;
	color: #000000;
	padding-top: 400px;
	text-align: center;
}

.main {
	background-color: #f1f4f8;
	padding-bottom: 100px;
}

.main .container {
	box-sizing: border-box;
	padding: 0px 10px;
}

.main .nav {
	font-size: 18px;
	color: #474747;
	text-align: right;
	padding-top: 10px;
}

.main .title1 {
	width: 150px;
	height: 37px;
	border: 1px solid #000000;
	margin: 50px auto;
	font-size: 24px;
	line-height: 37px;
	text-align: center;
}

.main .pic {
	position: relative;
}

.main .pic img {
	width: 100%;
}

.main .pic .txt {
	width: 100%;
	box-sizing: border-box;
	padding: 0 30px;
	padding-top: 30px;
	background-color: rgba(0,0,0,.4);
	position: absolute;
	bottom: 0px;
	left: 0px;
}

.main .pic .txt p {
	font-size: 24px;
	color: #FFFFFF;
	line-height: 38px;
	margin-bottom: 20px;
	text-indent: 2em;
}