.content-ad {
    margin: 36px auto;
    padding: 16px 0;
    width: 100%;
    max-width: 970px;
    border-block: 1px solid transparent;
    text-align: center;
}

.content-ad__label {
    display: block;
    visibility: hidden;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Keep width measurable for Google, but reserve no vertical space until filled. */
.content-ad:not(:has([data-ad-status="filled"])) {
    height: 0;
    margin-block: 0;
    padding-block: 0;
    border-width: 0;
    overflow: hidden;
}

.content-ad:has([data-ad-status="filled"]) {
    border-block-color: var(--border);
}

.content-ad:has([data-ad-status="filled"]) .content-ad__label {
    visibility: visible;
}

.content-ad__unit {
    width: 100%;
    min-height: 90px;
}

.content-ad[hidden],
.content-ad:has([data-ad-status="unfilled"]) {
    display: none;
}

@media (max-width: 600px) {
    .content-ad {
        margin-block: 28px;
    }

    .content-ad__unit {
        min-height: 100px;
    }
}