*{
	margin: 0;
	padding: 0;
}
html{
	font-family: PingFangSC-Medium, PingFang SC;
	color: #1A1A1A;
}
ul,li{
	list-style: none;
}
.bg-color{
	background-color: #02C3A8;
}
.flex-center{
	display: flex;
	justify-content: center;
}
.mb20{
	margin-bottom: 20px;
}
header{
	height: 110px;
}
header nav{
	max-width: 1200px;
	margin: auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
}
.logo-name{
	display: flex;
	justify-content: center;
	align-items: center;
}
.logo-name img{
	margin-right: 12px;
}
.logo-name span{
	font-size: 30px;
}
header nav ul{
	overflow: hidden;
	font-size: 30px;
}
header nav ul a{
	font-weight: 500;
	color: #1A1A1A;
}
header nav ul a:hover{
	color: #02C3A8;
}
header nav ul li{
	float: left;
}
header nav ul li+li{
	margin-left: 100px;
}
.install-box{
	padding: 156px 0 135px 0;
}
.install-box section{
	font-size: 48px;
	max-width: 650px;
	margin-top: 158px;
}
.install-box p{
	color: #ffffff;
	display: flex;
	justify-content: center;
	text-align: center;
}
.download-btn{
	width: 510px;
	height: 98px;
	line-height: 98px;
	display: block;
	font-size: 34px;
	color: #02C3A8;
	background-color: #ffffff;
	text-align: center;
	text-decoration: none;
	font-family: PingFangSC-Semibold, PingFang SC;
	border-radius: 18px;
	margin-top: 50px;
}
.views-box{
	text-align: center;
	padding: 90px 0 44px;
	background: url('imgs/bg.png');
	background-repeat: no-repeat;
	background-size: contain;
}
.views-box article{
	margin-bottom: 74px;
}
.views-box p{
	font-size: 44px;
}
.ability{
	text-align: center;
	background-color: #02C3A8;
	padding-top: 120px;
	padding-bottom: 142px;
}

.ability div.flex-center article{
	margin: 40px 0 90px;
	font-size: 44px;
	color: #ffffff;
}
.ability div.flex-center ul{
	display: flex;
}
.ability div.flex-center ul li{
	width: 370px;
	height: 340px;
	background: rgba(227, 248, 245, 0.88);
	border-radius: 20px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	margin-bottom: 44px;
}
.ability div.flex-center ul li p{
	margin-top: 36px;
	font-size: 32px;
}
.ability div.flex-center ul li+li{
	margin-left: 44px;
}
footer{
	font-size: 28px;
	text-align: center;
	min-height: 160px;
	background: #02C3A8;
	overflow: hidden;
	position: relative;
}
footer>div{
	height: 100%;
	width: 140%;
	position: absolute;
	top: 0;
	left: -20%;
	background: #EBFBF9;
	border-top-left-radius:  50% 75%;
	border-top-right-radius:  50% 75%;
	z-index: 1;
}
footer .footer-content{
	padding-top: 40px;
	min-height: 120px;
	position: relative;
	top: 0;
	z-index: 2;
}
footer p+p{
	margin-top: 12px;
	line-height: 40px;
}
footer a{
	color: #02C3A8;
}
footer a:hover{
	text-decoration: none;
}

.agreement{
	padding: 40px 200px;
}
.agreement h1{
	font-size: 48px;
	text-align: center;
	margin-bottom: 40px;
}
.agreement h4{
	font-size: 26px;
	line-height: 40px;
	margin-top: 30px;
}
.agreement p{
	font-size: 20px;
	line-height: 32px;
}
.agreement a{
	color: #02C3A8;
}

@media screen and (max-width: 1300px){
	header nav{
		padding: 0 20px;
	}
	.install-box.flex-center{
		flex-direction: column;
		align-items: center;
	}
	.install-box section {
		margin-top: 40px;
	}
	.views-box div{
		margin: 0 20px;
	}
	.ability div.flex-center ul{
		flex-wrap: wrap;
		justify-content: center;
	}
}

@media screen and (max-width: 960px){
	.agreement{
		padding: 40px 40px;
	}
	.agreement h1{
		font-size: 36px;
	}
	header{
		height: auto;
	}
	header nav{
		flex-direction: column;
	}
	.logo-name{
		margin-bottom: 20px;
	}
	header nav ul li {
		clear: both;
		margin-bottom: 20px;
	}
	header nav ul li+li{
		margin-left: 0;
	}
}

@media screen and (max-width: 784px){
	.ability div.flex-center ul{
		flex-direction: column;
		align-items: center;
	}
	.ability div.flex-center ul li+li{
		margin-left: 0;
	}
	.download-btn{
		width: 90%;
		margin: auto;
	}
	.ability div.flex-center ul li{
		width: 90%;
/* 		height: 340px;
		background: rgba(227, 248, 245, 0.88);
		border-radius: 20px;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		margin-bottom: 44px; */
	}
}