.demo-banner {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 10px 16px;
  background: #fff7ed;
  border-bottom: 1px solid #fed7aa;
  color: #7c2d12;
  font-size: 13px;
}
.demo-banner p { margin: 0; flex: 1 1 280px; }
.scene-switch { display: flex; flex-wrap: wrap; gap: 8px; }
.scene-switch button {
  border: 1px solid #fdba74;
  background: #fff;
  color: #7c2d12;
  border-radius: 999px;
  padding: 4px 12px;
  font: 13px inherit;
  cursor: pointer;
}
.scene-switch button.on { background: #9a3412; color: #fff; border-color: #9a3412; }
.sim-label {
  display: inline-block;
  margin: 0 16px 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #9a3412;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
#sim-input {
  background: #fff7ed;
  color: #7c2d12;
  border: 1px solid #fdba74;
}
.page .demo-banner { border-bottom: 1px solid #fed7aa; }
.note-list { margin: 8px 0 0; padding-left: 18px; }
.note-list li { margin: 6px 0; }