.operational-authority-banner {
  display: grid;
  grid-template-columns: minmax(0,1.45fr) minmax(260px,.75fr);
  gap: 22px;
  margin-top: 20px;
  margin-bottom: 22px;
  padding: 22px 24px;
  border: 1px solid #bcdccc;
  border-left: 5px solid #16845f;
  border-radius: 9px;
  background: linear-gradient(115deg,#f4fbf7 0%,#fff 72%);
  box-shadow: 0 8px 24px rgba(8,45,78,.06);
}

.operational-authority-banner small,.operational-authority-banner strong,.operational-authority-banner span { display: block; }
.operational-authority-banner small { color: #157054; font-size: 10px; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.operational-authority-banner h2 { margin: 7px 0 8px; color: #0b2e59; font-size: 21px; line-height: 1.25; }
.operational-authority-banner .authority-effective { display: inline-block; margin: 0 0 10px; padding: 6px 9px; border-radius: 4px; background: #e4f4ec; color: #116c4e; font-size: 10px; letter-spacing: .02em; }
.operational-authority-banner p { margin: 0; color: #526a81; font-size: 12px; line-height: 1.65; }
.operational-authority-banner aside { align-self: stretch; padding: 15px 17px; border: 1px solid #cce3d8; border-radius: 7px; background: rgba(255,255,255,.85); }
.operational-authority-banner aside strong { margin: 6px 0; color: #126e50; font-size: 15px; line-height: 1.35; }
.operational-authority-banner aside span { color: #65798d; font-size: 10px; line-height: 1.5; }

@media (max-width: 760px) {
  .operational-authority-banner { grid-template-columns: 1fr; padding: 18px; }
  .operational-authority-banner h2 { font-size: 18px; }
}