.rdnc-block {
    width: 100%;
}

.rdnc-slider-wrap {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
}

.rdnc-slider-viewport {
    width: 100%;
    overflow: hidden;
}

.rdnc-slider-track {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    transition: transform 0.35s ease;
    will-change: transform;
}

.rdnc-course-card {
    flex: 0 0 calc((100% - 60px) / 4);
    max-width: calc((100% - 60px) / 4);
    min-width: calc((100% - 60px) / 4);
    box-sizing: border-box;
}

.rdnc-course-link {
    display: block;
    width: 100%;
    text-decoration: none;
}

.rdnc-course-thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: 6px;
}

.rdnc-course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.rdnc-course-title {
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.3;
}

.rdnc-arrow {
    flex: 0 0 auto;
    width: 40px;
    height: 60px;
    border: none;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    z-index: 10;
}

.rdnc-arrow-left {
    margin-right: 10px;
}

.rdnc-arrow-right {
    margin-left: 10px;
}