.substance-links__title {
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 16px;
}

.substance-links__grid {
    display: grid;
    grid-template-columns: repeat(var(--substance-links-columns, 4), 1fr);
    gap: 8px;
    overflow: hidden;
    align-content: start;
}

.substance-links__item {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: #1a1a1a;
    text-decoration: none;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    transition: background-color 0.2s, border-color 0.2s;
}

.substance-links__item:hover {
    background-color: #f5f5f5;
    border-color: #bbb;
    color: #1a1a1a;
}

@media (max-width: 768px) {
    .substance-links__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .substance-links__grid {
        grid-template-columns: 1fr;
    }
}