.artsun-youtube-lite {
    position: relative;
    display: block;
    width: 100%;
    max-width: 860px;
    aspect-ratio: 16 / 9;
    margin: 1.5rem auto;
    overflow: hidden;
    border-radius: 12px;
    background: #f7f4ed;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.artsun-youtube-lite img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease, filter 0.25s ease;
}

.artsun-youtube-lite:hover img,
.artsun-youtube-lite:focus img {
    transform: scale(1.02);
    filter: brightness(0.92);
}

.artsun-youtube-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 4px;
    background: rgba(80, 70, 55, 0.86);
    color: #f7f4ed;
    font-size: 32px;
    line-height: 1;
}

.artsun-youtube-lite iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}