.pc-topic .gt-nav {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.pc-experiment {
  display: grid;
  gap: 18px;
}

.pc-exp-workbench {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(148, 163, 184, 0.24);
}

.pc-exp-story {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 18px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: 16px;
  background: linear-gradient(145deg, #ffffff, #eff6ff);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.08);
}

.pc-exp-story > span {
  width: fit-content;
  padding: 5px 10px;
  border-radius: 999px;
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.12);
  font-size: 0.78rem;
  font-weight: 950;
}

.pc-exp-story > strong {
  color: #102033;
  font-size: 1.08rem;
  line-height: 1.45;
}

.pc-exp-story p {
  margin: 0;
  color: #536171;
  line-height: 1.65;
}

.pc-exp-board,
.pc-model-visual,
.pc-change-visual,
.pc-case-visual {
  min-height: 220px;
  border: 1px solid rgba(190, 202, 222, 0.82);
  border-radius: 16px;
  padding: 16px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
    repeating-linear-gradient(0deg, rgba(37, 99, 235, 0.055) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(20, 184, 166, 0.05) 0 1px, transparent 1px 28px);
  overflow: hidden;
}

.pc-exp-board,
.pc-exp-visual,
.pc-exp-part,
.pc-lab-board {
  display: grid;
  gap: 12px;
}

.pc-hundred-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 3px;
  padding: 8px;
  border-radius: 14px;
  background: #f8fafc;
}

.pc-hundred-grid i {
  min-height: 12px;
  border-radius: 3px;
  background: #e2e8f0;
}

.pc-hundred-grid i.is-on {
  background: #2563eb;
}

.pc-hundred-grid.is-weather i.is-on {
  background: #38bdf8;
}

.pc-part-cards,
.pc-exp-price,
.pc-change-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.pc-part-cards section,
.pc-exp-price section,
.pc-change-cards section,
.pc-lab-board section {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 14px;
  background: #fff;
}

.pc-part-cards section.is-on,
.pc-exp-price section.is-on,
.pc-change-cards section.is-on {
  border-color: rgba(37, 99, 235, 0.44);
  background: #dbeafe;
}

.pc-exp-price section.is-final,
.pc-change-cards section.is-final {
  border-color: rgba(22, 163, 74, 0.42);
  background: #dcfce7;
}

.pc-part-cards span,
.pc-exp-price span,
.pc-change-cards span {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 900;
}

.pc-part-cards strong,
.pc-exp-price strong,
.pc-change-cards strong {
  color: #0f172a;
  font-size: 1.2rem;
}

.pc-exp-price i {
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #7f1d1d;
  background: #fee2e2;
  font-style: normal;
  font-weight: 950;
  opacity: 0.55;
}

.pc-exp-price i.is-on {
  opacity: 1;
}

.pc-change-bar {
  position: relative;
  display: flex;
  min-height: 42px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.pc-change-bar span {
  display: block;
  background: #60a5fa;
}

.pc-change-bar .extra {
  background: #22c55e;
}

.pc-change-bar .cut {
  background:
    linear-gradient(135deg, transparent 42%, rgba(185, 28, 28, 0.8) 44%, rgba(185, 28, 28, 0.8) 56%, transparent 58%),
    #fecaca;
}

.pc-lab-board {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pc-part-result {
  display: grid;
  place-items: center;
  min-height: 120px;
  border-radius: 14px;
  color: #064e3b;
  background: #d1fae5;
  font-size: 2rem;
  font-weight: 950;
}

.pc-case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pc-case {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(190, 202, 222, 0.78);
  border-radius: 16px;
  background: #fff;
}

.pc-case-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 10px;
  align-items: start;
}

.pc-case-head span {
  grid-column: 1 / -1;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.11);
  font-size: 0.78rem;
  font-weight: 950;
}

.pc-case-head strong {
  color: #111827;
  font-size: 1.05rem;
}

.pc-case-head em {
  padding: 5px 10px;
  border-radius: 999px;
  color: #fff;
  background: #172033;
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 950;
  white-space: nowrap;
}

.pc-case p {
  margin: 0;
  color: #64748b;
  line-height: 1.55;
  font-size: 0.9rem;
}

.pc-case-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.pc-case-controls label {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 10px;
  border: 1px solid rgba(190, 202, 222, 0.78);
  border-radius: 12px;
  color: #475569;
  font-size: 0.82rem;
  font-weight: 900;
  background: #f8fafc;
}

.pc-case-controls output {
  color: #0f172a;
  font-size: 1rem;
}

.pc-case-visual {
  min-height: 190px;
}

.pc-case-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.pc-case-metrics span {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 9px 10px;
  border-radius: 12px;
  color: #64748b;
  background: #f1f5f9;
  font-size: 0.78rem;
  font-weight: 900;
}

.pc-case-metrics b {
  color: #111827;
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.pc-case-result {
  min-height: 82px;
  padding: 12px;
  border-radius: 12px;
  color: #334155;
  font-weight: 850;
  line-height: 1.58;
  background: #f8fafc;
}

.pc-sale-scene,
.pc-tip-scene,
.pc-score-scene,
.pc-battery-scene,
.pc-bank-scene,
.pc-profit-scene,
.pc-tax-scene,
.pc-attendance-scene,
.pc-basket-scene,
.pc-download-scene,
.pc-juice-scene,
.pc-weather-scene {
  display: grid;
  gap: 10px;
  align-items: center;
}

.pc-price-tag,
.pc-sale-badge,
.pc-part-result,
.pc-case-visual strong {
  text-align: center;
}

.pc-sale-scene {
  grid-template-columns: 1fr 82px;
}

.pc-price-tag {
  display: grid;
  place-items: center;
  min-height: 92px;
  border: 4px solid #f97316;
  border-radius: 18px 18px 18px 4px;
  background: #ffedd5;
}

.pc-price-tag span {
  color: #9a3412;
  font-weight: 900;
}

.pc-price-tag b {
  color: #7c2d12;
  font-size: 1.5rem;
}

.pc-sale-badge {
  display: grid;
  place-items: center;
  min-height: 82px;
  border-radius: 999px;
  color: #fff;
  background: #ef4444;
  font-weight: 950;
}

.pc-case-visual strong {
  padding: 8px 10px;
  border-radius: 12px;
  color: #0f172a;
  background: #f1f5f9;
}

.pc-receipt,
.pc-bankbook,
.pc-invoice {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 2px dashed #94a3b8;
  border-radius: 14px;
  background: #fff;
}

.pc-receipt b,
.pc-bankbook span,
.pc-invoice span {
  color: #334155;
}

.pc-receipt strong,
.pc-bankbook strong,
.pc-invoice strong {
  color: #064e3b;
  background: #dcfce7;
}

.pc-paper {
  display: grid;
  place-items: center;
  min-height: 112px;
  border: 3px solid #60a5fa;
  border-radius: 12px;
  background: repeating-linear-gradient(0deg, #fff 0 13px, #e0f2fe 13px 15px);
}

.pc-paper b {
  color: #1d4ed8;
  font-size: 1.8rem;
}

.pc-paper span {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 900;
}

.pc-score-meter,
.pc-download {
  position: relative;
  min-height: 42px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.pc-score-meter span,
.pc-download span {
  position: absolute;
  inset-block: 0;
  left: 0;
  background: linear-gradient(90deg, #60a5fa, #22c55e);
}

.pc-download b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 950;
}

.pc-phone {
  display: grid;
  place-items: center;
  width: 92px;
  height: 150px;
  margin: 0 auto;
  border: 6px solid #111827;
  border-radius: 18px;
  background: #f8fafc;
}

.pc-battery {
  position: relative;
  width: 44px;
  height: 104px;
  border: 4px solid #475569;
  border-radius: 8px;
  overflow: hidden;
}

.pc-battery span,
.pc-cup span {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  background: #22c55e;
}

.pc-battery b,
.pc-cup b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 950;
}

.pc-people,
.pc-balls {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 5px;
  padding: 8px;
  border-radius: 14px;
  background: #f8fafc;
}

.pc-people i {
  min-height: 22px;
  border-radius: 999px 999px 6px 6px;
  background: #cbd5e1;
}

.pc-people i.is-on {
  background: #14b8a6;
}

.pc-balls i {
  min-height: 20px;
  border-radius: 999px;
  background: #cbd5e1;
}

.pc-balls i.is-on {
  background: #f97316;
}

.pc-cup {
  position: relative;
  width: 86px;
  height: 136px;
  margin: 0 auto;
  border: 4px solid #64748b;
  border-radius: 12px 12px 24px 24px;
  overflow: hidden;
  background: #fff;
}

.pc-cup span {
  background: #f97316;
}

@media (max-width: 1080px) {
  .pc-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .pc-exp-workbench,
  .pc-lab-board,
  .pc-case-grid,
  .pc-case-controls,
  .pc-case-metrics,
  .pc-sale-scene,
  .pc-part-cards,
  .pc-exp-price,
  .pc-change-cards {
    grid-template-columns: 1fr;
  }

  .pc-topic .gt-nav {
    grid-template-columns: 1fr;
  }

  .pc-case-head {
    grid-template-columns: 1fr;
  }

  .pc-case-head em {
    width: fit-content;
  }
}