*{
	margin: 0;
	padding: 0;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}
.container{

}	
.main{
	width: 100%;
	margin: 0 auto;
	overflow: hidden;
}
.w{
	width: 1300px;
	margin: 0 auto;
}
h1{
	font-size: 40px;
}
.app-banner-app{
	display: flex;
	align-items: center;
	justify-content: center;
	margin-top: 100px;
	margin-bottom: 100px;
}
.app-banner-app img{
	max-width: 200px;
}
.app-banner-app .jiantouPic{
	height: 20px;
	margin: 0 50px;
}
.banner{
	background: url(../img/bg-ys.png?111) no-repeat center/100% 100%;
	position: relative;
}
.nav_list{
	width: 100%;
	color: #fff;
	font-size: 17px;
	font-weight: bold;
	display: flex;
	justify-content: flex-end;
	padding-right: 20px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 999;
}
.nav_list li{
	list-style: none;
	padding: 10px 3px;
	margin-left: 28px;
	border-bottom: 2px solid transparent;
	cursor: pointer;
	font-weight: normal;
	font-size: 16px;
}
.nav_list li.selected{
	border-bottom: 3px solid #FFFFFF;
}
.nav_list a{
	color: #FFFFFF;
	text-decoration: none;
}
.apptitle{
	letter-spacing: 4px;
	font-size: 42px;
}
.app-desc{
	letter-spacing: 2px;
}
.nav{
	background: rgb(0,86,162,0.8);
}
.product_text{
	color: #FFFFFF;
	text-align: center;
}
.product_text h1{
	width: 100%;
	line-height: 50px;
	display: flex;
	justify-content: center;
}
.product_text img{
	width: 50px;
	height: 50px;
}
.product_text span{
	padding-left: 20px;
}
.product_text p{
	color: #FFFFFF;
	font-size: 24px;
	margin: 12px auto 0;
}
.product_img{
	width: 100%;
	padding-bottom: 110px;
}
.product_img img{
	/* width: 40%; */
	max-width: 200px;
	height: auto;
	margin: 10px auto 0;
}
.product_img img.jiantouPic{
	height: 20px;
	margin-top: 190px;
}
.product{
	max-width: 1500px;
	overflow: hidden;
	margin: 70px auto 0;
}
.member,.download{
	max-width: 1500px;
	margin: 0 auto;
	color: #000000;
	text-align: center;
}
.member h1,.download h1{
	margin: 50px auto 0;
}
.member p{
	font-size: 24px;
	margin: 12px auto 0;
}
.member_img,.download_img{
	width: 100%;
	margin: 30px auto 0;
}
.member_img,.product_img{
	display: flex;
	justify-content: space-around;
	flex-direction: row;
	flex-wrap: wrap;
}
.member_img img{
	width: 20%;
}
.download_img{
	justify-content: center;
}
.download_img img{
	padding: 0 5%;
	margin: 15px auto 0;
}
.footer{
	color: #FFFFFF;
	font-size: 14px;
	text-align: center;
	line-height: 22px;
	background: #444444;
	padding: 18px 0;
	margin: 8% auto 0;
}


/*浏览器滚动条*/
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-button:vertical{display:none}
::-webkit-scrollbar-track:vertical{background-color:black}
::-webkit-scrollbar-track-piece{background:#E3E3E3}
::-webkit-scrollbar-thumb:vertical{background-color:#ccc;border-radius:30px}
::-webkit-scrollbar-thumb:vertical:hover{background-color:#8f8f8f}
::-webkit-scrollbar-corner:vertical{background-color:#8f8f8f}
::-webkit-scrollbar-resizer:vertical{background-color:#FF6E00}

@media screen and (max-width: 1200px) {
	.w{
		width: 100%;
	}
}
@media screen and (max-width: 980px) {
	.product_img{
		padding-bottom: 80px;
	}
	.member_img img{
		width: 40%;
	}
	h1{
		font-size: 30px;
	}
	.product_text p,.member p{
		font-size: 16px;
	}
	.app-banner-app img{
		width: 40%;
		margin: 0 20px;
	}
	.footer{
		padding: 10px;
	}
	.banner{
		background-size: cover;
	}
	.app-banner-app{
		margin-top: 70px;
		margin-bottom: 70px;
	}
	.w{
		width: 100%;
	}
}
@media screen and (max-width: 750px){
	.product_img{
		padding-bottom: 50px;
	}
	.jiantouPic{
		display: none;
	}
	.w{
		width: 100%;
	}

}
@media screen and (max-width: 350px){
	p{
		font-size: 12px !important;
	}
}