.toc {
    background: #f7f9f7;
    border: 1px solid #d6e0d8;
    border-left: 4px solid #2d5f3f;
    border-radius: 4px;
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0 2rem;
}
.toc-title {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d5f3f;
}
.toc-list {
    margin: 0;
    padding-left: 1.25rem;
    columns: 2;
    column-gap: 2rem;
}
.toc-list li {
    margin-bottom: 0.35rem;
    break-inside: avoid;
}
.toc-list a {
    color: #2d5f3f;
    text-decoration: none;
}
.toc-list a:hover,
.toc-list a:focus {
    text-decoration: underline;
}
.toc-sublist {
    list-style: none;
    margin: 0.35rem 0 0.5rem 0;
    padding-left: 1rem;
    column-count: 1;
}
.toc-sublist li {
    margin-bottom: 0.2rem;
    font-size: 0.95em;
}
@media (max-width: 700px) {
    .toc-list {
        columns: 1;
    }
}