#nav{
	position: sticky;
	top: 0;
	left: 0;
	width: 100%;
	background-color: #fff;
	height: var(--nav-height-70);
	z-index: 2;
	box-shadow: 0px 1px 6px 0px rgba(0,0,0,0.05);
}

.middle-width{
	width: 1280px;
	margin:  0 auto;
}
.web-menu-nav{
	text-decoration: none;
	color: var(--primary-color);
	padding-right: 80px;
	font-size: 16px;
}
.web-menu-nav:last-child{
	padding-right: 0;
}

.first{
	height: 840px;
	background: url("../img/home/image228@2x.png");
	background-size: cover;
	background-position: center;
}
.first-title{
	font-weight: 900;
	font-size: 42px;
	color: #FFFFFF;
	line-height: 50px;
	max-width: 640px;
	letter-spacing: -1px;
	margin-bottom: 30px;
}
.first-sub{
	max-width: 640px;
	font-size: 14px;
	color: #FFFFFF;
	line-height: 21px;
	margin-bottom: 55px;
}

.first-btn{
	width: 180px;
	padding-left: 36px;
	padding-right: 10px;
	height: 50px;
	background: #635AFF;
	border-radius: 30px;
	font-weight: 600;
	font-size: 16px;
	color: #FFFFFF;
	border: 2px solid #635AFF;
	transition: all 0.28s cubic-bezier(.37,.8,.69,.32);
	text-decoration: none;
	box-sizing: border-box;
	letter-spacing: -1px
}
.first-btn:hover{
	border-color:  #fff;
}


.second{
	padding:  100px 0;
}
.second-card{
	position: relative;
	width: 100%;
	height: 400px;
	background: url("../img/home/Group694.png") no-repeat;
	background-size: cover;
	background-position: center;
	padding: 0 80px;
	border-radius:80px;
	border:1px solid #635AFF;
	margin-bottom: 80px;
	transition: all 0.3s ease-in-out;
	cursor: pointer;
}

.second-card:hover{
	transform: translateY(-10px);
}

.second-card-2{
	background: url("../img/home/Group695.png") no-repeat;
	align-items: flex-end;
	background-size: cover;
	background-position: center;
}
.second-card-3{
	background: url("../img/home/Group696.png") no-repeat;
	background-size: cover;
	background-position: center;
}
.second-card-4{
	background: url("../img/home/Group697.png") no-repeat;
	align-items: flex-end;
	background-size: cover;
	background-position: center;
}
.second-card:last-child{
	margin-bottom: 0;
}
.w490{
	width: 490px;
}
.font-title{
	font-weight: 900;
	font-size: 28px;
	letter-spacing:-1px;
	margin-bottom: 25px;
}
.font-sub{
	font-size: 16px;
	line-height: 24px;
}

.commen-title{
	font-weight: 900;
	font-size: 50px;
}
.third{
	padding:  50px 0;
	text-align: center;
}
.third-title{
	margin-bottom: 163px;
}
.third-card{
	position: relative;
	width: 390px;
	min-width: 390px;
	position: relative;
	padding: 60px 35px 21px;
	border: 1px solid #CFCFFF;
	border-radius: 50px;
	height: 310px;
	box-sizing: border-box;
	transition: all 0.3s ease-in-out;
	cursor: pointer;
}
.third-card:hover{
	transform: scale(1.1);
	border-color: #635AFF;
}

.third-card-img{
	position: absolute;
	height: 174px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 1;
	top: -113px;
}



.third-card-title{
	font-size: 14px;
	line-height: 21px;
	text-align: center;
	margin-bottom: 21px;
}
.third-card-star{
	position: absolute;
	bottom: 21px;
	left: 50%;
	transform: translateX(-50%);
}

.fourth{
	padding:  100px  0 70px;
}

.fourth-title{
	text-align: center;
	margin-bottom: 95px;
}

.fourth-wrap{
	display: flex;
	align-items: flex-start;
	justify-content: space-around;
	flex-wrap: wrap;
}

.fourth-card{
	width: 390px;
	margin-bottom: 50px;
	transition:  all .3s ease-in-out;
	cursor: pointer;
}
.fourth-card:hover{
	transform: translateY(-10px);
}

.fourth-card:nth-child(7){
	margin-right: -210px;
}
.fourth-card:nth-child(8){
	margin-left: -210px;
}
.fourth-card-title{
	font-weight: 900;
	font-size: 22px;
	text-align: center;
	margin-top: 20px;
}

.fifth{
	background: url("../img/home/WechatIMG19324112x.png");
	background-size: cover;
	background-position: center;
	height: 660px;
}

.fifth-title{
	font-weight: 900;
	font-size: 42px;
	color: #FFFFFF;
	margin-bottom: 80px;
	text-align: center;
}

.fifth-sub{
	font-weight: 500;
	font-size: 20px;
	color: #FFFFFF;
	line-height: 45px;
	text-align: center;
	margin-bottom: 80px;
}

.fifth-btn{
	width: 260px;
	height: 60px;
	background: #635AFF;
	border-radius: 30px;
	text-align: center;
	line-height: 60px;
	font-weight: 600;
	font-size: 16px;
	color: #FFFFFF;
	cursor: pointer;
	text-decoration: none;
	border: 2px solid #635AFF;
	transition: all 0.28s cubic-bezier(.37,.8,.69,.32);
}
.fifth-btn:hover{
	border-color:  #fff;
}