.root-est {
  width: min(680px, 100%);
  min-width: 0;
  margin-inline: auto;
  color: #20252b;
  container-type: inline-size;
}
.root-est-caption {
  min-height: 4.5em;
  margin: 0 0 20px;
  text-align: center;
  font: 400 16px/1.5 "Segoe UI", Arial, sans-serif;
  color: #47515d;
}
.root-est-work {
  padding-block: 20px;
  border-block: 1px solid #d6d9dd;
}
.root-est-equation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.16em;
  text-align: center;
  white-space: nowrap;
  font: 400 clamp(17px, 4.8vw, 36px)/1.6 "Cambria Math", Cambria, "Times New Roman", serif;
  font-size: clamp(14px, 6.5cqi, 36px);
  font-variant-numeric: lining-nums tabular-nums;
}
.root-est-result { margin-top: 22px; }
.root-est-radical { display: inline-flex; align-items: baseline; }
.root-est-radical > span { border-top: 1px solid currentColor; line-height: 1.15; padding: 0.06em 0.06em 0; }
.root-est-pending { visibility: hidden; }