.bk-return {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 1.25rem;
  background: #0f261c;
  border-bottom: 1px solid rgba(154, 115, 64, 0.55);
  color: #f6f1e6;
  font-size: 0.88rem;
  line-height: 1.3;
}
.bk-return a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #f0d7a2;
  font-weight: 600;
  text-decoration: none;
}
.bk-return a:hover,
.bk-return a:focus-visible { color: #fff; text-decoration: underline; }
.bk-return-note { color: #d7c7a4; margin-left: 0.4rem; font-weight: 400; }
.bk-return-close {
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  display: inline-grid;
  place-items: center;
  background: transparent;
  color: #d7c7a4;
  border: 1px solid rgba(215, 199, 164, 0.35);
  border-radius: 999px;
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}
.bk-return-close:hover,
.bk-return-close:focus-visible { color: #fff; border-color: #f0d7a2; }
.nav a.nav-bk { color: #f0d7a2; font-weight: 600; }
.nav a.nav-bk:hover { color: #fff; }

@media (max-width: 860px) {
  .bk-return { padding: 0.4rem 0.75rem; font-size: 0.84rem; }
  .bk-return-note { display: none; }
}