.jung-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin: 20px 0;
}
.jung-video-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.jung-video-thumb img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.jung-placeholder-thumb {
    width: 100%;
    height: 160px;
    background: #1a202c;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
    text-decoration: none;
}
.jung-card-body {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.jung-video-title {
    font-size: 16px;
    margin: 0 0 10px;
}
.jung-btn {
    display: inline-block;
    background: #2b6cb0;
    color: #fff;
    padding: 8px 14px;
    text-align: center;
    border-radius: 4px;
    text-decoration: none;
}
.jung-alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin: 15px 0;
}
.jung-info { background: #ebf8ff; color: #2b6cb0; }
.jung-warning { background: #fffaf0; color: #c05621; }
.jung-danger { background: #fff5f5; color: #c53030; }
.jung-player-wrap {
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
}