/* 静态演示专用样式：只加提示与演示标记，不改业务布局。 */
.demo-banner {
  position: relative;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 10px 14px;
  flex-wrap: wrap;
  padding: 10px clamp(12px, 3vw, 28px);
  background: #201b13;
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
  border-bottom: 3px solid #ffc72c;
}
.demo-banner strong { color: #ffc72c; }
.demo-banner .demo-tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: #ffc72c;
  color: #201b13;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}
.demo-banner .demo-links {
  margin-left: auto;
  display: flex;
  gap: 12px;
  white-space: nowrap;
}
.demo-banner a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.demo-banner a:hover { color: #ffc72c; }
.demo-banner .demo-sub { color: #d8cdb8; }
.demo-chip {
  background: #fff0b8 !important;
  color: #5e4300 !important;
  border-color: #e0bd55 !important;
}
#tokenPill.demo-pill {
  background: #fff0b8;
  color: #5e4300;
  border-color: #e0bd55;
}
.demo-data-flag {
  margin-top: 10px;
  padding: 7px 10px;
  border: 1px dashed #c9a227;
  border-radius: 6px;
  background: #fff8df;
  color: #6b5200;
  font-size: 11px;
  line-height: 1.5;
}
.demo-scenarios select { width: 100%; min-height: 44px; white-space: normal; }
.demo-scenarios .note { margin-bottom: 0; }
#mode-solve input[readonly], #mode-group input[readonly], #pasteBox[readonly] {
  background: #f7f3e9;
}
#mode-solve button:disabled, #mode-group button:disabled { cursor: default; }
@media (max-width: 560px) {
  .demo-banner { align-items: flex-start; font-size: 12px; }
  .demo-banner .demo-links { margin-left: 0; width: 100%; }
}