.by_banner {
	width: 100%;
	background: url(../images/by_01.jpg) no-repeat center;
	height: 470px;
}

.by_titer {
	width: 1180px;
	background: url(../images/by_03.png);
	height: 76px;
	margin: auto;
	margin-top: 40px;
	margin-bottom: 30px;
}

.by_titer h1 {
	font-size: 36px;
	color: #bb822d;
	width: 400px;
	margin: auto;
	line-height: 76px;
	text-align: center;
	font-weight: normal;
	border: 2px solid #b0650a;
	background: #FFFFFF;
}

.by_titer h2 {
	font-size: 36px;
	color: #bb822d;
	width: 540px;
	margin: auto;
	line-height: 76px;
	text-align: center;
	font-weight: normal;
	border: 2px solid #b0650a;
	background: #FFFFFF;
}

.by1 {
	width: 1180px;
	height: auto;
	margin: auto;
	overflow: hidden;
}

.by1 i {
	width: 491px;
	height: 245px;
	float: left;
	margin-left: 77px;
	margin-right: 42px;
}

.by1 p {
	width: 489px;
	height: 180px;
	border: 2px dashed #42b9d1;
	float: left;
	margin-top: 10px;
	font-size: 18px;
	color: #666;
	padding: 20px;
	text-indent: 2em;
	line-height: 30px;
	letter-spacing: 2px;
}

.by2 {
	width: 1024px;
	height: 391px;
	margin: auto;
}

.by3 {
	width: 812px;
	height: 393px;
	margin: auto;
}

.by4 {
	width: 1024px;
	margin: auto;
	height: auto;
	overflow: hidden;
}


.by4 p {
	font-size: 18px;
	line-height: 31px;
	color: #666;
	text-indent: 2em;
	padding: 20px;
	border-radius: 8px;
	border: 2px solid #fbb874;
	height: 100px;
	position: relative;
}

.by4 p:before {
	width: 172px;
	height: 50px;
    content: "";
    background: url(../images/by_11.png) no-repeat center;
    position: absolute;
    top:140px;
    left: 750px;

}

.by4 ul {margin-top: 65px;}


.by4 ul li {
	float: left;
	width: 33%;
}

.by4 ul li a {
	width: 261px;
	height: 233px;
	margin: auto;
	display: block;
}

.by5 {
	width: 1022px;
	height: 429px;
	margin: auto;
}