.udv-ad-rails {
    --udv-rail-width: 160px;
    --udv-rail-gap: 42px;
    --udv-content-half: 380px;
    position: relative;
    z-index: 90;
}

.udv-ad-rail {
    position: fixed;
    top: 170px;
    display: none;
    width: var(--udv-rail-width);
    max-height: calc(100vh - 200px);
    text-align: center;
}

.udv-ad-rail--left {
    left: calc(50vw - var(--udv-content-half) - var(--udv-rail-gap) - var(--udv-rail-width));
}

.udv-ad-rail--right {
    right: calc(50vw - var(--udv-content-half) - var(--udv-rail-gap) - var(--udv-rail-width));
}

.udv-ad-rail__label {
    display: block;
    margin: 0 0 5px;
    color: #6b7378;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    line-height: 1.2;
    text-transform: uppercase;
}

.udv-ad-rail__link {
    display: block;
    text-decoration: none;
}

.udv-ad-rail__image {
    display: block;
    width: 100%;
    height: auto;
    max-height: calc(100vh - 225px);
    object-fit: contain;
}

.udv-ad-rails.is-visible .udv-ad-rail {
    display: block;
}

@media (max-height: 720px) {
    .udv-ad-rail {
        top: 125px;
        max-height: calc(100vh - 145px);
    }

    .udv-ad-rail__image {
        max-height: calc(100vh - 170px);
    }
}