html {
    height: 100%;
    min-width: 360px;
}
body {
    background: url("../images/bg.jpg") top center;
    background-size: cover;
    height: 100%;
    font-family: "Microsoft YaHei", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.5;
}
.logo {
    display: block;
    overflow: hidden;
    border-radius: 20px;
    width: 2rem;
    height: 2rem;
    margin: 0 auto;
}
.logo img {
    width: 100%;
}
.head {
    color: #fff;
    text-align: center;
    padding-top: 1.3333rem;
}
.head img {
    width: 7.92rem;
}
.head h1 {
    font-size: 35px;
    font-weight: bold;
    margin: 0;
    margin-bottom: 10px;
}
[data-dpr="2"] .head h1 {
    font-size: 70px;
}
[data-dpr="2.5"] .head h1 {
    font-size: 88px;
}
[data-dpr="2.75"] .head h1 {
    font-size: 96px;
}
[data-dpr="3"] .head h1 {
    font-size: 105px;
}
[data-dpr="4"] .head h1 {
    font-size: 140px;
}
.head h2 {
    font-size: 23px;
    font-weight: normal;
    margin: 0;
}
[data-dpr="2"] .head h2 {
    font-size: 46px;
}
[data-dpr="2.5"] .head h2 {
    font-size: 58px;
}
[data-dpr="2.75"] .head h2 {
    font-size: 63px;
}
[data-dpr="3"] .head h2 {
    font-size: 69px;
}
[data-dpr="4"] .head h2 {
    font-size: 92px;
}
.downlaod {
    padding-top: 1.3333rem;
    width: 5.4667rem;
    margin: 0 auto;
}
.downlaod h4 {
    font-size: 15px;
    margin: 0;
    color: #fff;
    margin-bottom: 0.1333rem;
}
[data-dpr="2"] .downlaod h4 {
    font-size: 30px;
}
[data-dpr="2.5"] .downlaod h4 {
    font-size: 38px;
}
[data-dpr="2.75"] .downlaod h4 {
    font-size: 41px;
}
[data-dpr="3"] .downlaod h4 {
    font-size: 45px;
}
[data-dpr="4"] .downlaod h4 {
    font-size: 60px;
}
.downlaod .btns {
    text-align: center;
    margin-bottom: 0.1333rem;
}
.downlaod .btn {
    width: 100%;
    display: inline-block;
    margin-bottom: 0.2rem;
}
.downlaod .btn img {
    width: 100%;
    display: block;
}
.downlaod .notice {
    color: #fff;
    text-align: center;
}
.downlaod .notice a {
    color: #fff;
}
.downlaod .notice span {
    display: block;
}
.copyright {
    color: #fff;
    text-align: center;
}
.copyright a {
    color: #fff;
}
.ios.iphone.mobile .downlaod .btn_android,
.ios.iphone.mobile .downlaod .android-ver {
    display: none;
}
.android.mobile .downlaod .btn_apple,
.android.mobile .downlaod .ios-ver {
    display: none;
}
.mask {
    background: #000;
    opacity: 0.7;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100000;
    display: none;
}
.download_notice {
    text-align: right;
    width: 92%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100002;
    display: none;
}
.download_notice .img1 {
    width: 1.3333rem;
}
.download_notice .img2 {
    width: 4.6667rem;
}