html {
    max-height: 100vh;
}

body {
    /* background: url('../images/background.png') no-repeat; */
    background-size: cover;
    width: 400px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    font-family: 微软雅黑;
    background: #c239c4;
}

.Logo {
    padding-top: 15vh;
    text-align: center;
    color: #fff;
    font-size: 38px;
    letter-spacing: 5px;
}

.Logo p {
    margin: 4.4vh 0;
}

.system {
    margin-top: 15vh;
    text-align: center;
    display: none;
}

.system>p {
    margin: 3vh 0;
}

.dl {
    /* background: url('../images/btn01.png') no-repeat center top; */
    height: 50px;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 99999px;
    /* box-shadow: 0 0 10px 0 rgba(0, 0, 0, .05); */
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    gap: 15px;
    width: 60%;
    margin: auto;
    font-size: 20px;
}

.dl:hover {
    display: flex;
}

.dl .systemicon {
    width: 30px;
    height: 30px;
}

.copyright {
    text-align: center;
    margin-top: 20vh;
    color: #fff;
    font-size: 14px;
    width: 100%;
}

.dl p {
    margin: -5px;
}

.dl+span {
    display: none;
}

footer {
    color: #fff;
    text-align: center;
    font-family: 微软雅黑;
    margin-top: 3vh;
}

footer p {
    margin: 10px 0;
    font-size: 8px;
}

.weixin_top {
    position: fixed;
    top: 0;
    left: 0;
    background: url(../images/wx_tip.png) no-repeat right top rgba(0, 0, 0, 0.8);
    width: 100vw;
    height: 100vh;
    background-size: 80%;
    display: none;
}

@media screen and (max-width :1024px) {
    body {
        /* background-image: url('../images/background-ipad.png'); */
    }

    .Logo {
        /*padding-top: 10vh;*/
        font-size: 28px;
        letter-spacing: 3px;
    }

    .Logo .word {
        width: 120px;
    }

    .system {
        margin-top: 15vh;
    }

    footer {
        margin-top: 7vh;
    }

    footer p {
        margin: 10px 0;
        font-size: 16px;
    }
}

@media screen and (max-width :450px) {
    body {
        /* background-image: url('../images/background-iphone.png'); */
        width: 100%;
    }

    .Logo {
        padding-top: 20vh;
        font-size: 20px;
        letter-spacing: 2px;
    }

    .Logo .logoimg {
        width: 89px;
    }

    .Logo .word {
        width: 75px;
    }

    .systemicon {
        width: 40px;
    }

    .dl {
        /* transform: scale(0.7); */
    }

    footer {
        margin-top: 5vh;
    }

    footer p {
        font-size: 10px;
    }
}