/* 计算根字体大小的区间 */
@media screen and (min-width: 300px) and (max-width:540px) {
    html {
        font-size: calc(100vw / 7.5)
    }
}

@media screen and (max-width:299px) {
    html {
        font-size: 40px;
    }
}

@media screen and (min-width:541px) {
    html {
        font-size: 72px;
    }
}

body {
    position: fixed;
    left: 0;
    top: 0;
    background: url('../images/mobile/app-bg.jpg') center center;
    background-size: cover;
    overflow: hidden;
}

video {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: url('../images/pc/app-bg.jpg') center/cover no-repeat;
    z-index: 0;
}

.header {
    width: 100%;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    padding: 0 0.5rem 0 0.37rem;
}

.header>h1 {
    width: 2.39rem;
    height: 0.74rem;
    margin-top: 0.33rem;
}

.header>h1>img {
    width: 100%;
    height: 100%;
}

.header>a {
    width: 0.56rem;
    height: 0.85rem;
    margin-top: 0.36rem;
}

.header>a>img {
    width: 100%;
    height: 100%;
}

.header>a:nth-of-type(1) {
    margin-left: auto;
}

.header>a:nth-of-type(2) {
    margin-left: 0.2rem;
    margin-right: 0.2rem;
}

.main {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.main>h2 {
    width: 6.54rem;
    height: 4.52rem;
    margin-top: 1.8rem;
    margin-left: auto;
    margin-right: auto;
}

.main>h2>img {
    width: 100%;
    height: 100%;
}

.main>a {
    display: block;
    width: 6.98rem;
    height: 7.18rem;
    margin: 0.4rem auto 3.1rem auto;
}

.main>a>img {
    width: 100%;
    height: 100%;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 10;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 1.3rem 0.35rem 0.4rem 0.35rem;
    background: url('../images/mobile/link-btn-bg.png') top center no-repeat;
    background-size: 100% 100%;
}

.link-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.link-btn>a {
    width: 3.25rem;
    height: 0.97rem;
}

.link-btn>a>img {
    width: 100%;
    height: 100%;
}

.tip-btn {
    border: none;
    margin-top: 0.2rem;
}

.tip-btn>img {
    width: 4.56rem;
    height: 0.2rem;
}

.android-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    background: #fff;
    overflow-y: auto;
    overflow-x: hidden;
}

.android-modal .header {
    width: 100%;
    display: flex;
    align-items: center;
    color: #000;
    padding: 0.048rem 0.096rem;
    box-shadow: 0 0.03rem 0.05rem rgba(57, 63, 72, 0.1);
    justify-content: space-between;
    position: sticky;
    top: 0;
    left: 0;
    height: 0.84rem;
    background: #fff;
}

.android-modal .header .android-modal-arrow img {
    width: 0.4rem;
}

.android-modal .header .title {
    font-size: 0.28rem;
    color: #000;
}

.android-modal .content {
    padding: 0.26rem 0.096rem;
}

.android-modal .content .platform-item img {
    width: 100%;
}

.android-modal .content .pic img {
    width: 100%;
}

.android-modal .contentAnser {
    display: none;
}