* {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pageMask {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(42deg, #010524, #33061e 70%, #30061d) no-repeat center / cover;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 8;
    transition: .3s;
}

.pageMask.hide {
    opacity: 0;
}

.app {
    --bg: linear-gradient(45deg, #010322, #280518, #3a0523);
    background: url(../img/pagebg.webp) no-repeat center / cover, var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    --pad_x: 6.5%;
    padding: 0 var(--pad_x);
    position: relative;
}

.header {
    font-size: .16rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 5%;
    width: calc(100% - var(--pad_x) * 2);
    z-index: 3;
}

.header h1 img {
    max-height: 52px;
    height: 1.6em;
    display: block;
}

.icon_recharge {
    height: 100%;
}

.icon_recharge img {
    height: 2em;
}

.main {
    display: flex;
    height: 100vh;
    position: relative;
}

.main>.content {
    width: 50%;
    display: flex;
    align-items: center;
    padding-bottom: 5%;
    justify-content: center;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.main>.content .box {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 2;
}

.main>.aside {
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: url(../img/series.webp?v=2) no-repeat center / cover;
}

.slogan {
    font-size: 0.5rem;
    color: #fff;
    margin-bottom: 2em;
    text-align: center;
    line-height: 1.4;
}

/* download */
.download {
    display: flex;
    font-size: 1.2rem;
    gap: 0.4em;
}

.download a {
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 3em;
    display: flex;
    align-items: center;
    padding: 0.02em .08em;
    transition: .3s;
}

.app[data-device="page_pc"] .download a:hover {
    box-shadow: 1px 2px 5px 2px #ffffff7d;
    transform: translate(-1px, -1px);
}

.download a .icon {
    --w: 0.24em;
    width: var(--w);
    height: var(--w);
    display: block;
    overflow: hidden;
    margin: 0 0.04em;
}

.download a .icon.icon_applestore {
    transform: scale(1.14);
}

.download a .icon svg {
    width: 100%;
    height: 100%;
    max-width: 80px;
    max-height: 80px;
}

.download p {
    --fz: .1em;
    font-size: var(--fz);
    margin: 0.14em 0;
}

.download p.platform {
    font-size: calc(var(--fz) + 0.06em);
}

.icon_googleplay {
    transform: scale(0.8);
}

.download a .icon .icon_applestore {
    transform: scale(2.1);
}

.download a>div {
    margin: 0 .06rem;
}

.footer {
    width: 100%;
    position: absolute;
    bottom: calc(var(--pad_x) / 2);
    font-size: 0.16rem;
    --color: rgb(255 255 255 / 80%);
    display: flex;
    --gap: 10px;
    gap: var(--gap);
    flex-wrap: wrap;
}

.footer p {
    display: flex;
    gap: var(--gap);
    --color: var();
    align-items: center;
    margin-top: .04rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer p a {
    --color: rgb(255 255 255 / 80%);
    color: var(--color);
}

.footer p a:hover {
    color: #fff;
}

.footer p i {
    display: block;
    color: var(--color);
}

@media (max-width: 1200px) {
    .header {
        font-size: .24rem;
    }

    .main>.content {
        padding-bottom: 20vh;
    }

    .footer {
        font-size: .2rem;
    }
}

@media (max-width: 860px) {
    .footer {
        font-size: .22rem;
    }
}

@media (max-width: 750px) {
    .header {
        font-size: .4rem;
    }

    .header h1 img {
        height: 1.7em;
    }

    .main>.content {
        width: 100%;
        padding-bottom: 15vh;
    }

    .main>.content::before {
        --bg: hsl(0deg 0% 0% / 50%) linear-gradient(90deg, rgb(7 2 20 / 0%), rgb(7 2 20 / 60%) 0%, rgb(38 5 21 / 60%) 100%, rgb(38 5 21 / 0%));
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: var(--bg);
        opacity: 0.9;
    }

    .main>.content .box {
        justify-content: space-between;
        height: 100%;
    }

    .slogan {
        font-size: 1.1rem;
        margin-bottom: 20vh;
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .download {
        font-size: 3rem;
    }

    .main>.aside {
        width: 100vw;
        height: 100vh;
        position: fixed;
        left: 0;
        top: 0;
        background-size: 108%;
        background-position: top center;
    }

    .footer {
        font-size: .4rem;
        justify-content: center;
    }
}

@media (max-width: 560px) {
    .download {
        flex-direction: column;
        font-size: 5rem;
        gap: .14em;
    }

    .download a {
        padding: 0.02em 0.18em 0.02em 0.08em;
    }

    .download a .icon {
        width: calc(var(--w) * 1.6);
    }

    .download p {
        font-size: .08em;
    }

    .download p.platform {
        font-size: calc(var(--fz) + 0.04em);
    }
}