.option.selected {
  border: 2px solid var(--blue) !important;
  background: #dff4fc !important;
  box-shadow: inset 0 0 0 1px #9fdbf3;
}

.option.selected span {
  font-weight: 900;
  color: var(--blue);
}

.explanation {
  margin: 28px 0;
  padding: 26px;
  border-radius: 16px;
  background: #f0f9fc;
  border: 1px solid #bce0ed;
}

.explanation h2 { font-size: 28px; }
.explanation p { max-width: 760px; }
.explanation ul { padding-left: 22px; }
.explanation li { margin: 8px 0; }