@font-face {
    font-family: 'Arial-Black';
    src: url('assets/fonts/Arial-Black.ttf');
}

@font-face {
    font-family: 'Arial';
    src: url('assets/fonts/Arial.ttf');
}

body {
    background: url('../images/bg.png') no-repeat center top;
    background-size: cover;
    line-height: 1.5;
    font-family: 'Arial';
    font-size: 100%;
    color: #fff;
    overflow-x: hidden;
    overflow-y: auto;
}

a {
    color: #F38331;
}

.container {
    margin: 0 auto;
    width: 1200px;
}

.page {
    padding: 132px 0 68px;
}

.page-content {
    margin-top: 80px;
}

.app-logo-wrapper {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.app-logo {
    width: 400px;
    height: 400px;
    background: url('../images/logo.png') no-repeat center center;
    background-size: cover;
}

.app-name {
    margin-top: 23px;
    line-height: 1;
    font-size: 160px;
    font-weight: 700;
}

.btn-start {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    width: 732px;
    height: 140px;
    background: url('../images/bg-button-large.png') no-repeat center center;
    background-size: cover;
    font-family: 'Arial-Black';
    font-size: 56px;
    font-weight: 900;
    text-decoration: none;
}

.help-login {
    margin-top: 16px;
    text-align: center;
    font-size: 28px;
    font-weight: 400;

    a {
        text-decoration: none;
    }
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    body {
        background-image: url('../images/bg-mobile.png');
        font-size: 14px;
    }

    .container {
        width: 100%;
    }

    .page {
        padding: 134px 0;
    }

    .page-content {
        margin-top: 85px;
    }

    .app-logo {
        width: 160px;
        height: 160px;
    }

    .app-name {
        margin-top: 10px;
        font-size: 80px;
    }

    .btn-start {
        width: 256px;
        height: 48px;
        font-size: 24px;
    }

    .help-login {
        font-size: 14px;
    }
}