.nea-course-locked .bb-course-cover img {
    filter: grayscale(1);
}

.nea-course-locked .bb-cover-wrap {
    cursor: default;
}

.nea-course-locked .nea-course-lock-reason {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 12px;
    margin: 12px 0;
    color: #333;
    background: #f2f2f2;
    border: 1px solid #b8b8b8;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
}

.nea-course-lock-reason svg {
    flex: 0 0 20px;
    margin-top: 1px;
}