.mst-video-page {
    padding: 45px 0 80px;
    background: #f7f8fa;
}

.mst-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(340px,1fr));
    gap: 30px;
}

.mst-video-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
    transition: .35s;
}

    .mst-video-card:hover {
        transform: translateY(-8px);
    }

.mst-video-thumb {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

    .mst-video-thumb img {
        width: 100%;
        display: block;
        transition: .4s;
    }

.mst-video-card:hover img {
    transform: scale(1.08);
}

.mst-video-play {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

    .mst-video-play i {
        font-size: 70px;
        color: #fff;
        text-shadow: 0 5px 20px rgba(0,0,0,.4);
    }

.mst-video-content {
    padding: 22px;
}

    .mst-video-content h3 {
        font-size: 22px;
        margin-bottom: 12px;
        font-weight: 700;
    }

    .mst-video-content p {
        color: #666;
        line-height: 1.7;
    }