/* 광고 */
.yt-ads-board {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0px;
    margin-bottom: 22px;
}

.yt-ad-item {
    display: block;
    overflow: hidden;
    background: #111;
    border: 1px solid rgba(255,255,255,0.08);
}

.yt-ad-item:hover {
    border-color: rgba(255,255,255,0.18);
}

.yt-ad-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.yt-ad-item.is-wide {
    grid-column: 1 / -1;
    aspect-ratio: 1920 / 90;
}

.yt-ad-item:not(.is-wide) {
    aspect-ratio: 314 / 105;
}

/* 헤더 광고 */
.header-banner {
    margin-top: 12px;
}

.ad-grid {
    display: grid;
    gap: 10px;
}

.ad-grid-top,
.ad-grid-bottom {
    margin-top: 10px;
}

@media (max-width: 1200px) {
    .yt-ads-board {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .yt-ads-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .yt-ads-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0px;
        margin-bottom: -10px;
    }

    .yt-ad-item.is-wide {
        display: none !important;
    }

    .yt-ad-item:not(.is-wide) {
        aspect-ratio: 3 / 1;
    }

    .yt-ad-item img {
        object-fit: contain;
    }

    .header-banner {
        margin-top: 8px;
    }

    .ad-grid-top,
    .ad-grid-bottom {
        margin-top: 8px;
    }
}