/* DST research directory. */
    .dst-main { flex: 1; min-width: 0; padding-block: 68px 80px; }
    .dst-intro {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
      align-items: center;
      gap: clamp(48px, 6.7vw, 104px);
    }
    .dst-intro h1 { max-width: 650px; }
    .dst-intro p {
      max-width: 480px;
      margin: 0;
      color: var(--muted);
      font-size: clamp(17px, 1.28vw, 19px);
      line-height: 1.65;
    }
    .investment-section { min-width: 0; margin-top: 60px; }
    .investment-section h2 { margin: 0 0 20px; font-size: 22px; font-weight: 600; letter-spacing: -.015em; }
    .table-scroll {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
      scrollbar-color: #b8cfc2 #f3f8f5;
    }
    .investment-table { width: 100%; min-width: 1040px; border-collapse: collapse; text-align: left; }
    .investment-table th {
      padding: 20px 20px;
      border-bottom: 1px solid var(--line);
      background: var(--soft-green);
      color: var(--ink);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.45;
      vertical-align: top;
    }
    .investment-table th:first-child { padding-left: 28px; }
    .column-hint { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; font-weight: 400; }
    .investment-table abbr { text-decoration: none; }
    .investment-table td { padding: 22px 20px; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.5; }
    .investment-table tbody tr:last-child td { border-bottom: 0; }
    .investment-table .empty-cell { height: 248px; padding: 40px 24px; text-align: center; vertical-align: middle; }
    .empty-state { width: min(100%, calc(100vw - var(--page-gutter) - var(--page-gutter) - 48px)); }
    .empty-title { margin: 0 0 10px; color: var(--ink); font-size: 18px; font-weight: 600; }
    .empty-description { margin: 0; color: var(--muted); font-size: 15px; }
    .table-hint { display: none; margin: 12px 0 0; color: var(--muted); font-size: 13px; }
    @media (max-width: 1180px) { .table-hint { display: block; } }
    @media (max-width: 900px) { .dst-intro { gap: 36px; } }
    @media (max-width: 720px) {
      .dst-main { padding-block: 44px 56px; }
      .dst-intro { grid-template-columns: minmax(0, 1fr); gap: 24px; }
      .dst-intro p { max-width: 560px; font-size: 17px; line-height: 1.6; }
      .investment-section { margin-top: 40px; }
      .investment-section h2 { font-size: 20px; }
    }

    /* Interactive DST directory. */
    .table-toolbar { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
    .investment-section .table-toolbar h2 { margin: 0; }
    .placeholder-note { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
    .sort-button { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; padding: 0; border: 0; background: transparent; color: inherit; text-align: left; font: inherit; cursor: pointer; }
    .sort-button:hover { color: var(--green-dark); }
    .sort-button:disabled { cursor:default; color:var(--muted); }
    .directory-filters input:disabled { background:#edf2ef; cursor:not-allowed; }
    .locked-filter-help { margin:8px 0 0; font-size:12px; color:var(--muted); }
    .sort-icon { flex-shrink: 0; color: #76887e; font-size: 16px; font-weight: 400; }
    th[aria-sort] .sort-icon { color: var(--green-dark); font-weight: 700; }
    .investment-table tbody tr:nth-child(odd) { background: #fff; }
    .investment-table tbody tr:nth-child(even) { background: #f3f8f5; }
    .investment-table.is-filterable tbody tr { background: #fff; }
    .investment-table.is-filterable tbody tr.striped-row { background: #f3f8f5; }
    .investment-table tbody tr { cursor: pointer; }
    .investment-table tbody tr:hover, .investment-table tbody tr:focus-within,
    .investment-table.is-filterable tbody tr:hover, .investment-table.is-filterable tbody tr:focus-within { background: #e4f1e9; }
    .investment-table td:first-child { padding-left: 28px; }
    .investment-link { color: var(--ink); font-size: 16px; font-weight: 600; text-decoration: none; text-underline-offset: 4px; }
    .investment-link:hover { color: var(--green-dark); text-decoration: underline; }
    .investment-table td[data-number] { font-variant-numeric: tabular-nums; white-space: nowrap; }
    .status-badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #dfefe6; color: #145b3d; font-size: 12px; line-height: 1.4; }
    .status-badge.closed { background: #e9ecea; color: #59645f; }
    .score { font-weight: 600; }
    @media (max-width: 720px) { .table-toolbar { flex-direction: column; gap: 8px; } }
    /* End interactive DST directory. */

    .directory-filters { margin: 0 0 20px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fafcfb; }
    .filter-fields { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 16px; }
    .directory-filters label { display: flex; flex-direction: column; gap: 8px; min-width: 0; color: var(--ink); font-size: 13px; font-weight: 600; }
    .directory-filters input, .directory-filters select { width: 100%; min-width: 0; min-height: 44px; padding: 10px 12px; border: 1px solid #cfd9d3; border-radius: 5px; background: #fff; color: var(--ink); font-size: 14px; font-weight: 400; }
    .directory-filters input::placeholder { color: #67766d; opacity: 1; }
    .directory-filters input:focus-visible, .directory-filters select:focus-visible { outline: 2px solid var(--green-dark); outline-offset: 2px; }
    .additional-filters { margin-top: 18px; }
    .additional-filters summary { width: fit-content; padding-block: 4px; color: var(--green-dark); cursor: pointer; font-size: 14px; font-weight: 600; }
    .numeric-filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding-block: 16px 4px; }
    .filter-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
    .filter-footer p { margin: 0; color: var(--muted); font-size: 13px; }
    .filter-footer button { flex-shrink: 0; padding: 6px 0 6px 12px; border: 0; background: transparent; color: var(--green-dark); font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
    .filter-footer button:disabled { color: #76847c; cursor: default; text-decoration: none; }
    .filter-empty { margin-bottom: 20px; padding: 28px 24px; border: 1px solid var(--line); border-radius: 8px; text-align: center; }
    .filter-empty h3 { margin: 0 0 8px; font-size: 18px; font-weight: 600; }
    .filter-empty p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
    @media (max-width: 1050px) { .filter-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
    @media (max-width: 560px) { .directory-filters { padding: 20px; } .filter-fields, .numeric-filters { grid-template-columns: minmax(0, 1fr); } }