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

.banner-btn{
	display: flex;
	align-items: center;
	width: 1200px;
	height: 70px;
	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{
	background: #FFFFFF;
	color: #EB5172;
}

/*第一部分*/

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

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

.box1-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 25px;
}

.box1-nav{
	display: flex;
	justify-content: space-between;
	margin-top: 45px;
}

.box1-nav-box{
	width: 312px;
	height: 400px;
	border-radius: 8px;
	border: 1px solid #eeeeee;
	padding-top: 52px;
	box-sizing: border-box;
}

.box1-nav-index{
	text-align: center;
	font-size: 16px;
	color: #333333;
}

.box1-nav-img{
	width: 166px;
	height: 166px;
	margin: 0 auto;
	margin-top: 23px;
}

.box1-nav-title{
	text-align: center;
	font-size: 22px;
	color: #333333;
	margin-top: 38px;
}

.box1-nav-text{
	width: 230px;
	margin: 0 auto;
	text-align: center;
	margin-top: 23px;
	font-size: 14px;
	color: #333333;
}

/*第二部分*/

.box2 {
	width: 1200px;
	margin: 0 auto;
	padding-top: 80px;
	padding-bottom: 90px;
}

.box2-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box2-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 25px;
}

.box2-nav{
	display: flex;
	justify-content: space-between;
	margin-top: 60px;
}

.box2-nav-box{
	width: 150px;
}

.box2-nav-img{
	width: 35px;
	height: 35px;
	margin: 0 auto;
}

.box2-nav-text{
	text-align: center;
	font-size: 22px;
	color: #333333;
	margin-top: 40px;
}

/*第三部分*/

.box3-b{
	background: #f0f0f0;
}

.box3 {
	width: 1200px;
	margin: 0 auto;
	padding-top: 30px;
	padding-bottom: 70px;
}

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

.box3-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 25px;
}

.box3-nav{
	display: flex;
	justify-content: center;
	width: 1200px;
	height: 600px;
	margin-top: 38px;
}

.box3-nav-img1{
	width: 415px;
	height: 522px;
	background: url(../imgs/bbdsapp/box3_img1.png);
	margin: 0 auto;
}

.box3-nav-img2{
	width: 256px;
	height: 522px;
	background: url(../imgs/bbdsapp/box3_img2.png) no-repeat;
	background-size: 100% 100%;
	margin: 0 auto;
}

.box3-nav-img3{
	width: 296px;
	height: 399px;
	background: url(../imgs/bbdsapp/box3_img3.png);
	margin: 0 auto;
	margin-top: 82px;
	margin-bottom: 70px;
}

.box3-nav-text{
	width: 330px;
	text-align: center;
	margin: 0 auto;
	margin-top: 30px;
	line-height: 25px;
}

/*第四部分*/

.box4-g{
	width: 100%;
	height: 450px;
	background: url(../imgs/bbdsapp/box4_bg.png);
}

.box4{
	width: 1200px;
	height: 450px;
	text-align: center;
	margin: 0 auto;
	padding-top: 114px;
	box-sizing: border-box;
}

.box4-title{
	color: #FFFFFF;
	font-size: 30px;
}

.box4-btn{
	width: 83px;
	height: 83px;
	cursor: pointer;
	margin: 0 auto;
	background: url(../imgs/bbdsapp/box4_img.png);
	margin-top: 46px;
	margin-bottom: 65px;
}

.box4-text{
	color: #FFFFFF;
	font-size: 20px;
}

.box4-bg{
	position: fixed;
	top: 0;
	z-index: 800;
	width: 100%;
	height: 100%;
	background: rgba(0,0,0,0.5);
	display: none;
	justify-content: center;
	align-items: center;
}

.box4-video{
	width: 800px;
	height: 450px;
}

/*第五部分*/

.box5 {
	width: 1200px;
	margin: 0 auto;
	padding-top: 80px;
}

.box5-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box5-text {
	text-align: center;
	font-size: 16px;
	color: #333333;
	margin-top: 20px;
}

.box5-nav{
	width: 1200px;
	height: 470px;
	background: url(../imgs/bbdsapp/box5_img.png);
	margin-top: 65px;
}

/*第六部分*/

.box6 {
	width: 1200px;
	margin: 0 auto;
	padding-top: 80px;
}

.box6-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box6-text {
	text-align: center;
	font-size: 16px;
	color: #333333;
	margin-top: 15px;
}

.box6-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 15px;
}

.box6-nav{
	width: 1200px;
	height: 418px;
	background: url(../imgs/bbdsapp/box6_img.png);
	margin-top: 65px;
}

/*第七部分*/

.box7 {
	width: 1400px;
	margin: 0 auto;
	padding-top: 80px;
	padding-bottom: 117px;
}

.box7-title {
	text-align: center;
	font-size: 36px;
	color: #000000;
}

.box7-bg {
	width: 50px;
	height: 3px;
	background: #000000;
	margin: 0 auto;
	margin-top: 15px;
}

.box7-nav{
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: 90px;
}

.box7-nav-left{
	width: 24px;
	height: 42px;
	cursor: pointer;
	background: url(../imgs/bbdsapp/box7_left.png);
}

.box7-nav-cen{
	position: relative;
	width: 1200px;
	height: 300px;
	overflow: hidden;
}

.box7-lists{
	position: absolute;
	left: 0px;
	top: 0px;
	display: flex;
}

.box7-list{
	position: relative;
	width: 270px;
	height: 296px;
	border: 1px solid #d7d7d7;
	margin-right: 30px;
	border-radius: 6px;
	padding-top: 50px;
	box-sizing: border-box;
}

.box7-list-img{
	width: 100px;
	height: 100px;
	margin: 0 auto;
	background-size: 100% 100%;
	border-radius: 50%;
}

.box7-list-title{
	text-align: center;
	font-size: 20px;
	margin-top: 15px;
}

.box7-list-text{
	width: 210px;
	text-align: center;
	margin: 0 auto;
	margin-top: 25px;
	font-size: 14px;
	color: #666666;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}

.box7-list-box{
	display: none;
	cursor: pointer;
	position: absolute;
	top: 0;
	width: 100%;
	height: 100%;
	border-radius: 6px;
	background: rgba(0,0,0,0.8);
}

.box7-list-box-img{
	width: 113px;
	height: 113px;
	background-size: 100% 100%;
	margin: 0 auto;
	margin-top: 61px;
}

.box7-list-box-text{
	text-align: center;
	font-size: 18px;
	color: #fefefe;
	margin-top: 25px;
}

.box7-list:hover .box7-list-box{
	display: block;
	/*animation-name: hov;*/
}

/*@keyframes hov{
	from{
		background: red;
	}
	to{
		background: yellow;
	}
}*/

.box7-nav-right{
	width: 24px;
	height: 42px;
	cursor: pointer;
	background: url(../imgs/bbdsapp/box7_right.png);
}

.box7-btn{
	width: 400px;
	height: 50px;
	cursor: pointer;
	margin: 0 auto;
	margin-top: 90px;
	border-radius: 24px;
	border: 1px solid #101010;
	text-align: center;
	line-height: 50px;
	font-size: 22px;
	color: #333333;
}