.banner{
	background-image: url(../imgs/mdapp/banner.jpg);
	padding-top: 330px;
	box-sizing: border-box;
}

.banner-btn{
	display: flex;
	align-items: center;
	width: 1200px;
	height: 65px;
	margin: 0 auto;
}

.banner-btn-box{
	width: 242px;
	height: 55px;
	cursor: pointer;
	text-align: center;
	line-height: 55px;
	border: 2px solid #ffffff;
	border-radius: 33px;
	font-size: 30px;
	color: #FFFFFF;
	text-decoration: none;
	margin-left: 45px;
	
}

.banner-btn-box:hover{
	color: #FF9A00;
	background:rgba(255,255,255,1);
	box-shadow:0px 1px 10px 0px rgba(207,97,0,0.57);
}

/*第一部分*/

.box1 {
	width: 1200px;
	margin: 0 auto;
	padding-top: 80px;
	padding-bottom: 20px;
}

.box1-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box1-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 15px;
}

.box1-nav{
	display: flex;
	justify-content: space-between;
	width: 1200px;
	margin-top: 70px;
}

.box1-nav-img{
	width: 111px;
	height: 111px;
	margin: 0 auto;
}

.box1-nav-title{
	font-size: 20px;
	color: #333333;
	text-align: center;
	margin-top: 30px;
}

.box1-nav-text{
	width: 120px;
	text-align: center;
	font-size: 12px;
	color: #555555;
	margin-top: 20px;
	line-height: 25px;
}

/*第二部分*/

.box2 {
	background: #f5f5f4;
	padding-top: 80px;
	padding-bottom: 47px;
}

.box2-title {
	width: 1200px;
	margin: 0 auto;
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box2-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 15px;
}

.box2-nav{
	display: flex;
	justify-content: center;
	margin-top: 33px;
}

.box2-nav-box{
	width: 219px;
	height: 251px;
	padding-top: 180px;
	box-sizing: border-box;
}

.box2-nav-box-title{
	font-size: 20px;
	text-align: center;
	color: #fffefe;
}

.box2-nav-box-text{
	text-align: center;
	font-size: 14px;
	color: #fffefe;
	margin-top: 13px;
}

.box2-nav-line{
	width: 30px;
}

.box2-btn{
	display: block;
	text-decoration: none;
	width: 177px;
	height: 50px;
	cursor: pointer;
	border-radius: 25px;
	background: #05bd05;
	margin: 0 auto;
	margin-top: 60px;
	text-align: center;
	line-height: 50px;
	color: #FFFFFF;
	font-size: 20px;
}

/*第三部分*/

.box3 {
	width: 1400px;
	margin: 0 auto;
	padding-top: 36px;
	padding-bottom: 117px;
}

.box3-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box3-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 15px;
}

.box3-nav{
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: 90px;
}

.box3-nav-left{
	width: 24px;
	height: 42px;
	cursor: pointer;
	background: url(../imgs/bbdsapp/box7_left.png);
}

.box3-nav-cen{
	position: relative;
	width: 1200px;
	height: 422px;
	overflow: hidden;
}

.box3-lists{
	position: absolute;
	left: 0px;
	top: 0px;
	display: flex;
	align-items: center;
}

.box3-list{
	position: relative;
	width: 213px;
	height: 379px;
	margin-right: 30px;
	background-size: 100% 100%;
	border: 1px solid #eaeaea;
}

.box3-list div{
	width: 100%;
	position: absolute;
	bottom: -44px;
	text-align: center;
	font-size: 14px;
	color: #999999;
}

.box3-list:hover{
	transform: scale(1.02);
	box-shadow: 0px 1px 20px 0px rgba(191,191,191,0.5);
}

.box3-nav-right{
	width: 24px;
	height: 42px;
	cursor: pointer;
	background: url(../imgs/bbdsapp/box7_right.png);
}