@charset "utf-8";
*{
	padding: 0;
	margin: 0;
	font-family: "黑体";
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}
html {
	font-size: 10px;
}
html,body{
	height: 100%;
	max-width: 768px;
	margin: 0 auto;
}
.tac {
	text-align:  center;
}
.header {
	position: relative;
	font-size: 0;
}
.responsive-img {
    width: 100%;
}
.btn-list {
	position: absolute;
	bottom: 0;
	left: 3.2rem;
	right: 3.2rem;
	display: flex;
	justify-content:space-between;
}
.btn {
	border-radius: 1.2rem 1.2rem 0 0;
    display: inline-block;
    color: #fff;
    text-align: center;
	padding: 1.6rem 1rem;
	width: 48%;
    background-size: cover;
    background-position: bottom center;
}
.btn.active,
.btn:active {
	opacity: .8;
}
.btn img{
	width: 1.6rem;
	vertical-align: middle;
	margin-right: 1.2rem;
}
.btn span {
	font-size: 1.6rem;
	vertical-align: middle;
}
.android-bg {
	background-image: url('../image/btn-bg-1.png');
	background-repeat: no-repeat;
}
.ios-bg {
	background-image: url('../image/btn-bg-2.png');
	background-repeat: no-repeat;
}
.title {
	font-size: 1.6rem;
	margin-top: 3.6rem;
	margin-bottom: 2.4rem;
	color: #333;
}
.desc {
	font-size: 1.3rem;
	color: #999;
	margin: 1.2rem 3.2rem;
	line-height: 2.4rem;
}
.btn-box {
	margin: 2.4rem 3.2rem;
	padding-bottom: 4rem;
}
.btn-tutorial {
	display: block;
	background: #EEF3FF;
	border-radius: 5px;
	font-size: 1.5rem;
	color: #2D6AF0;
	border: none;
	padding: 1.2rem;
	width: 100%;
}
.btn-tutorial:active {
	background: #e7e9ee;
	color: #5988ec;
}
.btn-tutorial:focus {
	outline:0;
}
a {
	text-decoration: none
}