.ios-install-guide {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px 14px calc(18px + env(safe-area-inset-bottom));
    background: rgba(18, 22, 29, .5);
    box-sizing: border-box;
}
.ios-install-guide[hidden] { display: none !important; }
.ios-install-guide__panel {
    position: relative;
    width: min(100%, 420px);
    padding: 22px 20px 18px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 12px 42px rgba(0, 0, 0, .24);
    color: #30343b;
    text-align: left;
}
.ios-install-guide__close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 34px;
    height: 34px;
    border: 0;
    background: transparent;
    color: #8b919a;
    font-size: 27px;
    line-height: 34px;
}
.ios-install-guide__title { margin: 0 36px 12px 0; font-size: 20px; font-weight: 700; }
.ios-install-guide__step { display: flex; align-items: center; margin-top: 12px; font-size: 16px; line-height: 1.55; }
.ios-install-guide__number {
    flex: 0 0 28px;
    height: 28px;
    margin-right: 10px;
    border-radius: 50%;
    background: #ef3b3b;
    color: #fff;
    line-height: 28px;
    text-align: center;
    font-weight: 700;
}
.ios-install-guide__share { color: #1687e8; font-size: 24px; vertical-align: -2px; }
.ios-install-guide__ok {
    width: 100%;
    height: 44px;
    margin-top: 18px;
    border: 0;
    border-radius: 10px;
    background: #ef3b3b;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}