:root {
  --caps-lime: #caff3d;
  --caps-lime-edge: #9bcc21;
  --caps-ink: #151219;
  --caps-purple: #7a22c9;
}

/* 同一枚扁平键帽贯穿页头、功能卡与快捷键组合；尺寸可变，造型不变。 */
.caps-anchor-logo {
  width: 50px !important;
  height: auto !important;
  aspect-ratio: 512 / 352;
  border-radius: 0 !important;
  object-fit: contain !important;
  object-position: center !important;
  filter: drop-shadow(0 7px 10px rgba(64, 42, 12, .16));
}

.caps-keymark {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 72px;
  line-height: 0;
  filter: drop-shadow(0 9px 14px rgba(49, 31, 8, .16));
}

.caps-keymark img { display: block; width: 100%; height: auto; }
.caps-keymark--lg { width: 104px; }
.caps-keymark--md { width: 78px; }
.caps-keymark--sm { width: 62px; }
.caps-keymark--xs { width: 48px; }

.caps-combo {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  color: inherit;
  white-space: nowrap;
}

.caps-combo > b {
  color: currentColor;
  opacity: .52;
  font: 850 14px/1 var(--font-body, -apple-system, BlinkMacSystemFont, sans-serif);
}

.caps-combo > kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #c9c2cc;
  border-bottom-width: 3px;
  border-radius: 9px;
  color: var(--caps-ink);
  background: #fff;
  box-shadow: 0 8px 18px rgba(37, 25, 44, .07);
  font: 800 14px/1 var(--font-body, -apple-system, BlinkMacSystemFont, sans-serif);
}

.caps-combo--compact { gap: 5px; }
.caps-combo--compact .caps-keymark { width: 54px; }
.caps-combo--compact > kbd { min-width: 38px; height: 36px; padding-inline: 9px; font-size: 13px; }
.caps-combo--dark > kbd { border-color: #5b5261; color: #fff; background: #2a252d; box-shadow: 0 12px 22px rgba(0, 0, 0, .25); }
.caps-combo--dark > b { color: #bcb4c1; }

.caps-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 767px) {
  .caps-anchor-logo { width: 44px !important; }
  .caps-keymark--lg { width: 88px; }
  .caps-keymark--md { width: 70px; }
}

@media (forced-colors: active) {
  .caps-keymark { border: 2px solid ButtonText; border-radius: 12px; filter: none; }
}