:root {
  --realm-color: #FFC64B;
  --realm-glow: #FFC64B33;
}
/* focus-breath 呼吸光晕（下一场景按钮引导） */
.focus-breath {
  box-shadow: 0 0 0 0 #FFC64B66;
  animation: ch14Breath 2s ease-in-out infinite;
}

@keyframes ch14Breath {
  0%, 100% { box-shadow: 0 0 0 0 #FFC64B66; }
  50% { box-shadow: 0 0 16px 4px #FFC64B44; }
}

/* 阴阳双鱼补纹（S10 本命石新痕） */
.s10-scar-yinyang {
  display: inline-block;
  width: 64px;
  height: 32px;
  border-radius: 32px;
  background: linear-gradient(90deg, var(--realm-color) 50%, #1a1a1a 50%);
  position: relative;
  vertical-align: middle;
  margin: 0 0.4rem;
}
.s10-scar-yinyang::before,
.s10-scar-yinyang::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  top: 8px;
}
.s10-scar-yinyang::before {
  left: 8px;
  background: radial-gradient(circle at 50% 50%, #1a1a1a 25%, var(--realm-color) 25%);
}
.s10-scar-yinyang::after {
  right: 8px;
  background: radial-gradient(circle at 50% 50%, var(--realm-color) 25%, #1a1a1a 25%);
}

/* S9 Boss 战触发按钮的雌黄描边 */
#s9-start {
  border-color: var(--realm-color);
  color: var(--realm-color);
}
#s9-start:hover {
  background: var(--realm-color);
  color: #1a1a1a;
}

/* ============================================================
   通用交互组件样式 · 结丹期金色主题
   ============================================================ */
.cmp-cmos-predict, .cmp-vtc-tracer, .cmp-logic-builder, .cmp-power-knob-bench {
  padding: 0.5rem 0;
}
.tray-label {
  display: block;
  font-size: 0.85rem;
  color: #94A3B8;
  margin-bottom: 0.4rem;
}
.mentor-cue.sac-cue {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--realm-color);
  background: rgba(255,198,75,0.08);
  color: #F1F5F9;
  font-size: 0.9rem;
  line-height: 1.6;
  border-radius: 0 8px 8px 0;
}
.insight-token {
  margin-top: 0.8rem;
  padding: 0.6rem 1rem;
  text-align: center;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--realm-color);
  background: rgba(255,198,75,0.12);
  border: 1px solid #FFC64B55;
  border-radius: 8px;
  animation: tokenGlow 2s ease-in-out infinite;
}
@keyframes tokenGlow {
  0%,100% { box-shadow: 0 0 0 0 #FFC64B44; }
  50% { box-shadow: 0 0 12px 2px #FFC64B33; }
}
.wrong-path-zone {
  margin-top: 0.8rem;
}
.wrong-banner {
  padding: 0.6rem 0.8rem;
  border-left: 3px solid #EF4444;
  background: rgba(239,68,68,0.1);
  color: #FCA5A5;
  font-size: 0.88rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 0.5rem;
}
.wrong-fix-btn {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: #22C55E;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.wrong-fix-btn:hover { opacity: 0.85; }

/* ============================================================
   S0 CMOS互补推演器
   ============================================================ */
.component-tray {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.8rem;
}
.comp-btn {
  padding: 0.5rem 0.8rem;
  border: 2px solid #94A3B8;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  background: rgba(30,25,35,0.6);
  color: #F1F5F9;
  transition: all 200ms ease-out;
}
.comp-btn small { color: #94A3B8; font-size: 0.75rem; }
.comp-btn:hover { border-color: var(--realm-color); }
.comp-btn.selected { border-color: var(--realm-color); background: rgba(255,198,75,0.15); }
.comp-btn.used { opacity: 0.35; pointer-events: none; }
.pmos-btn { border-color: #E2E8F0; }
.nmos-btn { border-color: #475569; }

.circuit-canvas {
  position: relative;
  min-height: 280px;
  border: 1px solid rgba(255,198,75,0.2);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #1A1520;
}
.rail-top {
  text-align: center;
  color: #F59E0B;
  font-weight: bold;
  padding: 0.3rem;
  border-bottom: 2px solid #F59E0B;
  margin-bottom: 0.5rem;
}
.rail-bottom {
  text-align: center;
  color: #3B82F6;
  font-weight: bold;
  padding: 0.3rem;
  border-top: 2px solid #3B82F6;
  margin-top: 0.5rem;
}
.drop-slot {
  min-height: 60px;
  border: 2px dashed rgba(255,198,75,0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.4rem 2rem;
  cursor: pointer;
  transition: all 200ms ease-out;
}
.drop-slot.highlight { border-color: var(--realm-color); background: rgba(255,198,75,0.1); }
.drop-slot.placed { border-style: solid; border-color: #22C55E; }
.slot-hint { color: #94A3B8; font-size: 0.85rem; }
.placed-tube {
  font-weight: bold;
  font-size: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
}
.placed-tube.pmos { background: rgba(226,232,240,0.15); color: #E2E8F0; border: 1px solid #E2E8F0; }
.placed-tube.nmos { background: rgba(71,85,105,0.3); color: #CBD5E1; border: 1px solid #475569; }
.gate-join, .drain-join {
  text-align: center;
  font-size: 0.75rem;
  color: var(--realm-color);
  padding: 0.15rem;
}
.gate-join.lit, .drain-join.lit { color: var(--realm-color); text-shadow: 0 0 8px #FFC64B66; }

.predict-options {
  margin-top: 0.8rem;
}
.predict-options .option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.8rem;
  margin: 0.3rem 0;
  border: 2px solid #475569;
  border-radius: 8px;
  background: rgba(30,25,35,0.6);
  color: #F1F5F9;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 200ms ease-out;
}
.predict-options .option:hover { border-color: var(--realm-color); }
.predict-options .option.picked { border-color: var(--realm-color); background: rgba(255,198,75,0.15); }
.predict-options .option.correct { border-color: #22C55E; background: rgba(34,197,94,0.12); }
.predict-options .option.wrong { border-color: #EF4444; background: rgba(239,68,68,0.12); }

.truth-bench {
  margin-top: 0.8rem;
  padding: 0.8rem;
  border: 1px solid rgba(255,198,75,0.2);
  border-radius: 12px;
  background: rgba(30,25,35,0.5);
}
.bench-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.input-toggle {
  padding: 0.5rem 1rem;
  border: 2px solid var(--realm-color);
  border-radius: 8px;
  background: rgba(255,198,75,0.1);
  color: var(--realm-color);
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
}
.input-toggle:hover { background: rgba(255,198,75,0.2); }
.state-pair { display: flex; gap: 0.8rem; }
.pmos-state, .nmos-state {
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.85rem;
  border: 1px solid #475569;
}
.pmos-state.on { background: rgba(226,232,240,0.2); color: #E2E8F0; border-color: #E2E8F0; }
.pmos-state.off { opacity: 0.4; }
.nmos-state.on { background: rgba(71,85,105,0.4); color: #CBD5E1; border-color: #94A3B8; }
.nmos-state.off { opacity: 0.4; }
.output-display {
  font-size: 2rem;
  font-weight: bold;
  min-width: 3rem;
  text-align: center;
  border-radius: 8px;
  padding: 0.2rem 0.8rem;
}
.output-display.high { color: #F59E0B; background: rgba(245,158,11,0.15); }
.output-display.low { color: #3B82F6; background: rgba(59,130,246,0.15); }
.current-path {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: #94A3B8;
  min-height: 1.2rem;
}

.reveal-zone { margin-top: 0.8rem; }
.result-banner {
  padding: 0.6rem;
  text-align: center;
  font-weight: bold;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}
.result-banner.ok { background: rgba(34,197,94,0.12); color: #22C55E; border: 1px solid #22C55E55; }
.result-banner.bad { background: rgba(239,68,68,0.12); color: #EF4444; border: 1px solid #EF444455; }
.wrong-path-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.4rem 0.6rem;
  margin: 0.3rem 0;
  border: 1px solid #EF444444;
  border-radius: 6px;
  background: rgba(239,68,68,0.06);
  color: #FCA5A5;
  cursor: pointer;
  font-size: 0.85rem;
}
.wrong-path-btn:hover { background: rgba(239,68,68,0.12); }
.wrong-path-btn.eliminated { opacity: 0.4; text-decoration: line-through; }

/* ============================================================
   S1 VTC五区曲线追踪器
   ============================================================ */
.vtc-plot-zone {
  position: relative;
  margin-bottom: 0.5rem;
}
#s1-vtc-canvas {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 8px;
  background: #1A1520;
}
.vtc-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: #94A3B8;
  margin-top: 0.4rem;
}
.vtc-readout b { color: var(--realm-color); }

.device-profile {
  display: flex;
  gap: 1rem;
  margin: 0.8rem 0;
}
.pmos-profile, .nmos-profile {
  flex: 1;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid #475569;
  text-align: center;
}
.profile-label { font-size: 0.8rem; color: #94A3B8; margin-bottom: 0.3rem; }
.pmos-region-tag, .nmos-region-tag {
  font-weight: bold;
  font-size: 1rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.3rem;
}
.region-cutoff { background: rgba(100,116,139,0.2); color: #94A3B8; }
.region-saturation { background: rgba(239,68,68,0.15); color: #EF4444; }
.region-linear { background: rgba(34,197,94,0.15); color: #22C55E; }
.pmos-current, .nmos-current {
  height: 8px;
  border-radius: 4px;
  background: rgba(100,116,139,0.2);
  overflow: hidden;
}
.pmos-current .bar, .nmos-current .bar {
  height: 100%;
  width: 0;
  border-radius: 4px;
  transition: width 300ms ease-out;
}

.param-panel {
  margin-top: 0.8rem;
}
.param-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.4rem 0;
  font-size: 0.88rem;
}
.param-row label { flex: 1; display: flex; align-items: center; gap: 0.5rem; }
.param-row input[type="range"] { flex: 1; max-width: 200px; }
.param-val { color: var(--realm-color); font-weight: bold; min-width: 3rem; }
.param-fixed { justify-content: space-around; color: #94A3B8; font-size: 0.82rem; }

/* ============================================================
   S3 逻辑门搭建器
   ============================================================ */
.gate-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.8rem;
}
.gate-btn {
  padding: 0.4rem 0.8rem;
  border: 2px solid #475569;
  border-radius: 8px;
  background: rgba(30,25,35,0.6);
  color: #F1F5F9;
  cursor: pointer;
  font-size: 0.88rem;
  transition: all 200ms ease-out;
}
.gate-btn:hover { border-color: var(--realm-color); }
.gate-btn.active { border-color: var(--realm-color); background: rgba(255,198,75,0.15); color: var(--realm-color); }

.build-canvas {
  border: 1px solid rgba(255,198,75,0.2);
  border-radius: 12px;
  padding: 1rem;
  background: #1A1520;
  margin-bottom: 0.5rem;
}
.build-canvas .vdd-rail { text-align: center; color: #F59E0B; font-weight: bold; border-bottom: 2px solid #F59E0B; padding: 0.3rem; margin-bottom: 0.5rem; }
.build-canvas .gnd-rail { text-align: center; color: #3B82F6; font-weight: bold; border-top: 2px solid #3B82F6; padding: 0.3rem; margin-top: 0.5rem; }
.pun-zone, .pdn-zone {
  padding: 0.5rem;
  border-radius: 8px;
  margin: 0.3rem 0;
}
.pun-zone { background: rgba(226,232,240,0.05); border: 1px solid #E2E8F033; }
.pdn-zone { background: rgba(71,85,105,0.1); border: 1px solid #47556955; }
.zone-label { font-size: 0.82rem; color: #94A3B8; margin-bottom: 0.3rem; }
.conn-selector { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; }
.conn-btn {
  padding: 0.25rem 0.6rem;
  border: 1px solid #475569;
  border-radius: 6px;
  background: rgba(30,25,35,0.6);
  color: #F1F5F9;
  cursor: pointer;
  font-size: 0.82rem;
}
.conn-btn:hover { border-color: var(--realm-color); }
.conn-btn.active { border-color: var(--realm-color); background: rgba(255,198,75,0.15); color: var(--realm-color); }
.conn-btn.active.series { border-color: #3B82F6; background: rgba(59,130,246,0.12); color: #60A5FA; }
.conn-btn.active.parallel { border-color: #22C55E; background: rgba(34,197,94,0.12); color: #4ADE80; }
.output-node {
  text-align: center;
  font-weight: bold;
  color: var(--realm-color);
  padding: 0.3rem;
  border-top: 1px solid #FFC64B33;
  border-bottom: 1px solid #FFC64B33;
  margin: 0.3rem 0;
}

.duality-display {
  margin: 0.5rem 0;
  padding: 0.6rem;
  text-align: center;
  border: 1px solid #FFC64B33;
  border-radius: 8px;
  background: rgba(255,198,75,0.05);
  font-size: 0.9rem;
  color: var(--realm-color);
}
.duality-display.correct { border-color: #22C55E; background: rgba(34,197,94,0.08); color: #4ADE80; }

.truth-table {
  margin: 0.8rem 0;
  border: 1px solid #475569;
  border-radius: 8px;
  overflow: hidden;
}
.tt-header, .tt-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr 1.2fr 1fr;
  gap: 0.3rem;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  text-align: center;
  border-bottom: 1px solid #334155;
}
.tt-header { background: rgba(255,198,75,0.08); font-weight: bold; color: var(--realm-color); }
.tt-row:nth-child(odd) { background: rgba(30,25,35,0.3); }
.tt-match.ok { color: #22C55E; }
.tt-match.bad { color: #EF4444; }
.tt-row.scanning { background: rgba(255,198,75,0.15); }

.metric-panel {
  margin: 0.5rem 0;
  padding: 0.5rem;
  border: 1px solid #475569;
  border-radius: 8px;
  font-size: 0.85rem;
}
.metric-row { margin: 0.2rem 0; }
.metric-row b { color: var(--realm-color); }

.verify-btn {
  display: block;
  width: 100%;
  margin: 0.5rem 0;
  padding: 0.6rem;
}
.verify-btn:disabled { opacity: 0.4; }

/* ============================================================
   S6 功耗三源三旋钮实验台
   ============================================================ */
.knob-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}
.knob-unit {
  text-align: center;
  padding: 0.5rem;
  border: 1px solid rgba(255,198,75,0.15);
  border-radius: 8px;
  background: rgba(30,25,35,0.5);
}
.knob-label { font-size: 0.82rem; color: #94A3B8; margin-bottom: 0.3rem; }
.knob-slider {
  width: 100%;
  margin: 0.3rem 0;
  accent-color: var(--realm-color);
}
.knob-value { font-size: 1.1rem; font-weight: bold; color: var(--realm-color); }

.pie-chart-zone {
  text-align: center;
  margin: 0.8rem 0;
}
#s6-pie {
  max-width: 240px;
  height: auto;
  border-radius: 50%;
}
.pie-total {
  font-size: 1.4rem;
  font-weight: bold;
  color: #F1F5F9;
  margin-top: 0.3rem;
}

.pie-legend {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0.5rem 0;
  font-size: 0.82rem;
  color: #94A3B8;
}
.legend-item { display: flex; align-items: center; gap: 0.4rem; }
.legend-item .dot, .prow .dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.dyn { background: #F59E0B; }
.dot.stat { background: #EF4444; }
.dot.sc { background: #8B5CF6; }

.power-readout {
  margin: 0.5rem 0;
  padding: 0.5rem;
  border: 1px solid #475569;
  border-radius: 8px;
  font-size: 0.85rem;
}
.prow { margin: 0.2rem 0; display: flex; align-items: center; gap: 0.4rem; }
.prow b { color: #F1F5F9; }
.prow .dim { color: #94A3B8; font-size: 0.8rem; }

.isc-waveform {
  margin: 0.8rem 0;
}
.wave-label { font-size: 0.82rem; color: #94A3B8; margin-bottom: 0.3rem; }
#s6-wave {
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 6px;
  background: #1A1520;
}

.entropy-zone {
  position: relative;
  margin: 0.8rem 0;
  padding: 1rem;
  border-radius: 8px;
  background: #1A1520;
  overflow: hidden;
  min-height: 60px;
}
.heat-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(249,115,22,0.08), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
  opacity: 0;
  transition: opacity 400ms ease-in-out;
}
@keyframes shimmer {
  0% { background-position: -100% 0; }
  100% { background-position: 100% 0; }
}
.entropy-shadow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(239,68,68,0.15), transparent 70%);
  opacity: 0;
  transition: opacity 400ms ease-in-out;
}
.entropy-msg {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: 0.85rem;
  color: #94A3B8;
  min-height: 1.2rem;
}
.entropy-msg.danger { color: #EF4444; font-weight: bold; }

/* ============================================================
   S10 碎片归位 + 突破铭文
   ============================================================ */
.frag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0.8rem 0;
}
.frag-node {
  min-height: 44px;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line-strong, #475569);
  border-radius: 999px;
  background: transparent;
  color: var(--text-3, #94A3B8);
  cursor: pointer;
  font-family: var(--font-serif, serif);
  font-size: 0.85rem;
  transition: all 300ms ease-out;
}
.frag-node:hover { border-color: var(--realm-color); color: var(--realm-color); }
.frag-node.lit {
  color: var(--realm-color);
  border-color: var(--realm-color);
  box-shadow: 0 0 12px rgba(255,198,75,0.3);
}
#s10-break {
  font-size: 1.1rem;
  text-align: center;
  color: var(--realm-color);
  font-weight: bold;
  padding: 0.8rem;
}

/* ============================================================
   S2/S4/S5/S7/S8 实验台通用 · 目标清单/读数/tab/按钮/画布
   ============================================================ */
.lab-quest {
  list-style: none;
  margin: 0.4rem 0 0.8rem;
  padding: 0.6rem 0.8rem;
  border: 1px dashed var(--line-strong, rgba(148, 163, 184, 0.26));
  border-radius: 8px;
  font-size: 0.84rem;
  color: var(--text-2, #94A3B8);
  line-height: 1.7;
}
.lab-quest li { margin: 0.15rem 0; transition: color 300ms ease-out; }
.lab-quest li.done { color: var(--realm-color, #FFC64B); }
.lab-quest li.done::after {
  content: ' ✓';
  color: var(--color-correct, #22C55E);
  font-weight: bold;
}

.lab-note {
  font-size: 0.8rem;
  color: var(--text-3, #94A3B8);
  margin: 0.7rem 0 0.25rem;
}

.lab-canvas {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: var(--stage-bg, #1A1520);
  border: 1px solid var(--line, rgba(148, 163, 184, 0.12));
}
.s2-vtc-cv { height: 260px; }
.s2-cas-cv { height: 140px; }
.s4-xsec-cv { height: 250px; }
.s7-cv { height: 300px; }
.s8-vtc-cv { height: 220px; }
.s8-hist-cv { height: 170px; }

.lab-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0.5rem 0;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line, rgba(148, 163, 184, 0.12));
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-3, #94A3B8);
}
.lab-stats b { color: var(--realm-color, #FFC64B); }

.lab-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0;
}
.lab-tab {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line-strong, rgba(148, 163, 184, 0.26));
  border-radius: 8px;
  background: transparent;
  color: var(--text-2, #CBD5E1);
  cursor: pointer;
  font-size: 0.82rem;
  transition: border-color 200ms ease-out, color 200ms ease-out, background 200ms ease-out;
}
.lab-tab:hover { border-color: var(--realm-color, #FFC64B); color: var(--realm-color, #FFC64B); }
.lab-tab.active {
  border-color: var(--realm-color, #FFC64B);
  color: var(--realm-color, #FFC64B);
  background: var(--realm-glow, rgba(255, 198, 75, 0.12));
}
.lab-tab.small { padding: 0.28rem 0.55rem; font-size: 0.78rem; }
.s7-subtabs { margin: 0.3rem 0 0.5rem; }
.s7-ctrl { min-height: 2.4rem; }

.lab-btn {
  display: inline-block;
  margin: 0.5rem 0;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--realm-color, #FFC64B);
  border-radius: 8px;
  background: var(--realm-glow, rgba(255, 198, 75, 0.1));
  color: var(--realm-color, #FFC64B);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 200ms ease-out, color 200ms ease-out;
}
.lab-btn:hover { background: var(--realm-color, #FFC64B); color: var(--stage-bg, #1a1a1a); }
.lab-btn.danger {
  border-color: var(--danger, #EF4444);
  color: var(--danger, #EF4444);
  background: var(--danger-soft, rgba(239, 68, 68, 0.1));
}
.lab-btn.danger:hover { background: var(--danger, #EF4444); color: #fff; }
.lab-btn:disabled { opacity: 0.4; pointer-events: none; }

/* ============================================================
   S5 DRC/标准单元 卡片 + SVG 版图图例
   ============================================================ */
.s5-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.5rem;
  margin: 0.6rem 0;
}
.s5-card {
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--line-strong, rgba(148, 163, 184, 0.26));
  border-radius: 8px;
  background: transparent;
  color: var(--text-1, #F1F5F9);
  cursor: pointer;
  font-size: 0.85rem;
  text-align: left;
  transition: border-color 200ms ease-out, background 200ms ease-out;
}
.s5-card small {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--text-3, #94A3B8);
}
.s5-card:hover { border-color: var(--realm-color, #FFC64B); }
.s5-card.open {
  border-color: var(--realm-color, #FFC64B);
  background: var(--realm-glow, rgba(255, 198, 75, 0.1));
}
.s5-card.seen { border-color: var(--info, #818CF8); }
.s5-card.seen::after {
  content: '●';
  float: right;
  font-size: 0.6rem;
  color: var(--info, #818CF8);
}
.s5-detail {
  margin: 0.5rem 0 0.8rem;
  padding: 0.7rem;
  border: 1px solid var(--line, rgba(148, 163, 184, 0.12));
  border-radius: 10px;
  background: var(--stage-bg, #1A1520);
}
.s5-detail-title {
  font-weight: bold;
  font-size: 0.9rem;
  color: var(--realm-color, #FFC64B);
  margin-bottom: 0.4rem;
}
.s5-desc {
  font-size: 0.83rem;
  color: var(--text-2, #CBD5E1);
  line-height: 1.6;
  margin-top: 0.4rem;
}

.s5-svg {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  border-radius: 8px;
  background: var(--stage-bg, #14101A);
}
.s5-svg .lg-txt { fill: var(--text-2, #CBD5E1); font-size: 9px; font-family: sans-serif; }
.s5-svg .lg-ok-t { fill: var(--color-correct, #22C55E); font-weight: bold; font-size: 10px; }
.s5-svg .lg-bad-t { fill: var(--danger, #EF4444); }
.s5-svg .lg-dim { stroke: var(--text-3, #94A3B8); stroke-dasharray: 3 3; opacity: 0.5; }
.s5-svg .lg-metal { fill: var(--info, #818CF8); opacity: 0.75; }
.s5-svg .lg-mk { stroke: var(--gold, #E0A845); stroke-width: 1.5; }
.s5-svg .lg-bad { stroke: var(--danger, #EF4444); stroke-width: 2; fill: none; }
.s5-svg .lg-cont { fill: var(--gold, #E0A845); opacity: 0.9; }
.s5-svg .lg-bad-o { stroke: var(--danger, #EF4444); stroke-width: 2; stroke-dasharray: 3 2; fill-opacity: 0.35; }
.s5-svg .lg-act { fill: var(--color-correct, #22C55E); opacity: 0.55; }
.s5-svg .lg-poly { fill: var(--danger, #EF4444); opacity: 0.7; }
.s5-svg .lg-cell { fill: none; stroke: var(--text-3, #94A3B8); stroke-width: 1; }
.s5-svg .lg-vdd { stroke: var(--gold, #E0A845); stroke-width: 3; }
.s5-svg .lg-gnd { stroke: var(--info, #818CF8); stroke-width: 3; }
.s5-svg .lg-pin { fill: var(--gold, #E0A845); }
.s5-svg .lg-well { fill: var(--info, #818CF8); opacity: 0.2; }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 600px) {
  .knob-panel { grid-template-columns: 1fr; }
  .device-profile { flex-direction: column; }
  .tt-header, .tt-row { font-size: 0.75rem; padding: 0.3rem; }
  .s2-vtc-cv { height: 220px; }
  .s7-cv { height: 260px; }
  .s5-cards { grid-template-columns: 1fr 1fr; }
}