.tree-root > li {
    border-bottom: 1px solid #cbd6df;
}
.tree-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 14px 12px;
    text-align: left;
    border: 0;
    background: #e7edf2;
}
.tree-icon {
    flex-shrink: 0;
}
.tree-toggle[aria-expanded="true"] svg {
    transform: rotate(180deg);
}
.tree-parts {
    border-left: 2px solid #a8bbce;
    margin: 10px 0 16px 12px;
}
.tree-parts a, .tree-parts > li {
    display: block;
}
.tree-parts a {
    padding: 10px 14px;
}
.tree-parts a:hover, .tree-parts a.active {
    background: #e9f1fa;
    color: #1557aa;
}