/**
 * GoxEDGE model replica v5 — fidelity polish over v4.
 */

/* Canvas: diagram feel, not card UI */
.v4-model-scroll {
  border: 1px solid rgba(23, 32, 42, 0.14);
  border-radius: 4px;
  box-shadow: none;
  background: #fff;
}

.v4-model-toolbar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.v4-model-ctrl {
  padding: 7px 14px;
  font-size: 0.8125rem;
}

/* Row grid: wider labels */
.v4-model-row {
  grid-template-columns: 150px 1fr;
}

.v4-model-row-label {
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  padding: 14px 10px;
}

.v4-model-row-label--mechanism {
  background: linear-gradient(165deg, #f55a2e 0%, #e03d18 50%, #c42f10 100%);
}

.v4-model-row-label--path {
  background: linear-gradient(165deg, #083d66 0%, #062f4f 50%, #041f35 100%);
}

.v4-model-row-label--capability {
  background: linear-gradient(165deg, #128896 0%, #0f6674 50%, #062f4f 100%);
}

.v4-model-row-label--judgment {
  background: linear-gradient(165deg, #3a9a3e 0%, #2f7d32 50%, #1f6b2c 100%);
}

.v4-model-row-label--note {
  font-size: 1.125rem;
  border-width: 2px;
}

/* Row heights — V6 uses min-height; rows expand with content */
.v4-model-row--mechanism { min-height: 128px; height: auto; }
.v4-model-row--path { min-height: 310px; height: auto; }
.v4-model-row--capability { min-height: 120px; height: auto; }
.v4-model-row--judgment { min-height: 96px; height: auto; }
.v4-model-row--note { min-height: 56px; height: auto; }

/* Mechanism row */
.v4-model-mechanism-band {
  border: 2px solid rgba(240, 74, 35, 0.55);
  border-radius: 6px;
  margin: 6px 10px;
  background: linear-gradient(180deg, rgba(240, 74, 35, 0.06) 0%, rgba(240, 74, 35, 0.02) 100%);
}

.v4-model-mechanism-nodes {
  gap: 16px;
  padding: 22px 0 4px;
}

.v4-model-mechanism-circle {
  width: 56px;
  height: 56px;
  box-shadow: 0 3px 10px rgba(240, 74, 35, 0.3);
}

.v4-model-mechanism-circle::after {
  width: 12px;
  height: 12px;
}

.v4-model-mechanism-title {
  font-size: 0.9375rem;
}

.v4-model-mechanism-sub {
  font-size: 0.6875rem;
}

.v4-model-mechanism-arrow {
  font-size: 1.5rem;
  padding-top: 16px;
  color: #e03d18;
}

.v4-model-mechanism-footnote {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--v4-ink);
  padding: 0 12px;
}

/* Path row */
.v4-model-path-inner {
  padding: 6px 8px 4px;
}

.v4-model-path-track {
  gap: 0;
}

.v4-model-stage-arrow {
  font-size: 0.75rem;
  color: var(--v4-navy);
  padding: 0 3px;
  font-weight: 700;
}

.v4-model-stage-card {
  border-radius: 3px;
  padding: 8px 8px 6px;
  border-top-width: 3px;
}

.v4-model-stage-icon {
  width: 32px;
  height: 32px;
  font-size: 0.75rem;
  margin-bottom: 5px;
}

.v4-model-stage-title {
  font-size: 0.8125rem;
}

.v4-model-stage-en {
  font-size: 0.625rem;
  margin-bottom: 5px;
}

.v4-model-stage-list {
  font-size: 0.625rem;
  line-height: 1.45;
}

.v4-model-iteration {
  flex: 0 0 34px;
  margin-top: 2px;
}

.v4-model-iteration-svg {
  height: 12px;
}

.v4-model-iteration-label {
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
}

/* Capability band — one connected layer */
.v4-model-capability-band {
  margin: 6px 10px;
  border: 2px solid rgba(6, 47, 79, 0.35);
  border-radius: 4px;
  background: #fff;
}

.v4-model-capability-head {
  padding: 8px 16px;
  background: linear-gradient(180deg, #062f4f 0%, #041f35 100%);
  border-bottom: 0;
  font-size: 0.75rem;
  text-align: center;
}

.v4-model-capability-head strong {
  color: #fff;
}

.v4-model-capability-head span {
  color: rgba(248, 245, 239, 0.75);
}

.v4-model-capability-cells {
  background: linear-gradient(180deg, rgba(6, 47, 79, 0.04) 0%, rgba(15, 102, 116, 0.03) 100%);
}

.v4-model-capability-cell {
  padding: 10px 12px;
  border-right: 1px solid rgba(6, 47, 79, 0.18);
}

.v4-model-capability-cell strong {
  font-size: 0.6875rem;
  color: var(--v4-navy);
  margin-bottom: 4px;
}

.v4-model-capability-cell p {
  font-size: 0.5625rem;
  line-height: 1.4;
}

.v4-model-capability-cell.is-selected {
  background: rgba(6, 47, 79, 0.1);
}

/* Judgment foundation */
.v4-model-judgment-band {
  margin: 6px 10px;
  border: 2px solid rgba(47, 125, 50, 0.45);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(47, 125, 50, 0.1) 0%, rgba(47, 125, 50, 0.04) 100%);
  padding: 8px 14px;
}

.v4-model-judgment-head {
  font-size: 0.6875rem;
  margin-bottom: 6px;
}

.v4-model-judgment-head strong {
  font-size: 0.75rem;
}

.v4-model-judgment-head span {
  font-size: 0.625rem;
}

.v4-model-judgment-cells {
  gap: 6px;
}

.v4-model-judgment-cell {
  font-size: 0.5625rem;
  padding: 6px 8px;
  border-color: rgba(47, 125, 50, 0.3);
  background: rgba(255, 255, 255, 0.85);
}

.v4-model-judgment-cell.is-selected {
  background: rgba(47, 125, 50, 0.15);
}

/* Note row */
.v4-model-note-row .v4-model-row-content {
  border-width: 2px;
  margin: 0 10px 6px;
  border-radius: 4px;
}

.v4-model-note-text {
  font-size: 0.6875rem;
  padding: 10px 20px;
  color: var(--v4-ink);
}

.v4-model-row-content {
  border-left-color: rgba(23, 32, 42, 0.1);
}

/* Detail panel */
.v4-detail-panel {
  margin-top: 20px;
}

/* ── V6 precision polish ── */

.v4-model-replica {
  max-width: 1320px;
  margin: 0 auto;
}

.v4-model-scroll {
  overflow-x: auto;
  overflow-y: visible;
}

.v4-model-canvas {
  min-width: 1180px;
  width: 100%;
  max-width: 1320px;
}

.v4-model-row {
  align-items: stretch;
}

.v4-model-row-label {
  align-self: stretch;
}

.v4-model-row--mechanism { min-height: 128px; height: auto; }
.v4-model-row--path { min-height: 310px; height: auto; }
.v4-model-row--capability { min-height: 120px; height: auto; }
.v4-model-row--judgment { min-height: 96px; height: auto; }
.v4-model-row--note { min-height: 56px; height: auto; }

.v4-model-row-content {
  overflow: visible;
}

.v4-model-path-inner {
  min-height: 310px;
  height: 100%;
}

.v4-model-path-track {
  align-items: stretch;
  min-height: 0;
}

.v4-model-stage-card {
  border: 1px solid var(--stage-color, var(--v4-blue));
  border-top-width: 3px;
  box-shadow: none;
  padding: 7px 7px 5px;
  min-height: 0;
  overflow: visible;
}

.v4-model-stage-list {
  overflow-y: visible;
  overflow-x: visible;
  flex: 1 1 auto;
  font-size: 0.6875rem;
  line-height: 1.42;
}

.v4-model-stage-title {
  font-size: 0.875rem;
  font-weight: 700;
}

.v4-model-stage-en {
  font-size: 0.6875rem;
}

.v4-model-stage-icon {
  width: 34px;
  height: 34px;
  font-size: 0.8125rem;
}

.v4-model-capability-cell strong {
  display: block;
  font-size: 0.75rem;
}

.v4-model-capability-cell em {
  display: block;
  font-style: normal;
  font-size: 0.5625rem;
  color: var(--v4-soft);
  margin-bottom: 3px;
}

.v4-model-capability-cell p {
  font-size: 0.625rem;
}

.v4-model-judgment-cell {
  font-size: 0.625rem;
}

.v4-model-mechanism-band {
  min-height: 116px;
  height: 100%;
}

@media (min-width: 1180px) {
  .v4-model-scroll-hint {
    display: none;
  }
}

@media (max-width: 1179px) {
  .v4-model-scroll-hint {
    display: block;
  }
}

/* ── V6.1 model icons & iteration ── */

.v4-model-mechanism-circle.v4-model-mech-glyph::after {
  display: none;
}

.v4-model-mech-glyph::after {
  display: none;
}

.v4-model-row-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.v4-model-label-glyph {
  display: block;
  width: 22px;
  height: 22px;
  margin: 0 auto 2px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.92;
}

.v4-model-label-glyph--mechanism {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M4 12a8 8 0 0 1 16 0'/%3E%3Cpath d='M12 4v4M12 16v4' stroke-linecap='round'/%3E%3C/svg%3E");
}

.v4-model-label-glyph--path {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3Cpath d='M12 13v8M8 21h8' stroke-linecap='round'/%3E%3C/svg%3E");
}

.v4-model-label-glyph--capability {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 3L4 7v6c0 5 3.5 8.5 8 10 4.5-1.5 8-5 8-10V7l-8-4z'/%3E%3C/svg%3E");
}

.v4-model-label-glyph--judgment {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M4 20h16M6 20V10l6-6 6 6v10'/%3E%3C/svg%3E");
}

.v4-model-label-glyph--note {
  font-size: 1rem;
  line-height: 1;
  width: auto;
  height: auto;
}

.v4-model-mech-glyph {
  position: relative;
}

.v4-model-mech-glyph::before {
  content: "";
  position: absolute;
  inset: 14px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.v4-model-mech-glyph--cognition::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 5C6 5 2 12 2 12s4 7 10 7 10-7 10-7-4-7-10-7zm0 11a4 4 0 1 1 0-8 4 4 0 0 1 0 8z'/%3E%3C/svg%3E");
}

.v4-model-mech-glyph--action::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M5 12h12M13 7l5 5-5 5'/%3E%3C/svg%3E");
}

.v4-model-mech-glyph--feedback::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M9 11l3 3L22 4' stroke-linecap='round'/%3E%3Cpath d='M21 12v7a2 2 0 0 1-2 2H5l-3 3V5a2 2 0 0 1 2-2h11'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph {
  position: relative;
  font-size: 0.6875rem;
}

.v4-model-stage-glyph::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 12px;
  height: 12px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.85;
}

.v4-model-stage-glyph--explore::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph--position::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Ccircle cx='12' cy='12' r='8' fill='none' stroke='white' stroke-width='2'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph--execute::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 15.5A3.5 3.5 0 0 1 8.5 12 3.5 3.5 0 0 1 12 8.5a3.5 3.5 0 0 1 3.5 3.5 3.5 3.5 0 0 1-3.5 3.5zm8.94-2.06l1.41-1.41-1.06-1.06 1.41-1.41-1.41-1.41-1.06 1.06-1.41-1.41-1.41 1.41 1.06 1.06-1.41 1.41 1.41 1.41 1.06-1.06 1.41 1.41 1.41-1.41-1.06-1.06z'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph--empower::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Ccircle cx='9' cy='8' r='2.5'/%3E%3Ccircle cx='15' cy='8' r='2.5'/%3E%3Cpath d='M4 20c0-3 2.5-5 5-5s5 2 5 5'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph--optimize::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M3 17v4h4l9-9-4-4L3 17zm14-7l1.41-1.41 2.83 2.83L20 10.83 18.59 9.41 17 11l-1.41-1.41z'/%3E%3C/svg%3E");
}

.v4-model-stage-glyph--sustain::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C8 6 6 9 6 12a6 6 0 0 0 12 0c0-3-2-6-6-10z'/%3E%3C/svg%3E");
}

.v4-model-stage-arrow {
  display: flex;
  align-items: center;
  align-self: stretch;
  padding: 0 4px;
  flex-shrink: 0;
  overflow: visible;
}

.v4-model-stage-arrow-glyph {
  display: block;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid var(--v4-blue);
}

.v4-model-iteration {
  flex: 0 0 48px;
  padding-top: 2px;
}

.v4-model-iteration-svg {
  height: 44px;
  display: block;
}

.v4-model-iteration-label {
  margin-top: -4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--v4-blue);
}

.v4-model-path-track {
  overflow: visible;
}

.v4-model-scroll {
  overflow-y: visible !important;
}

.v4-model-stage-list {
  overflow-y: visible !important;
  max-height: none !important;
}

/* ── V6.2 model fidelity ── */

.v4-model-canvas {
  gap: 10px;
  padding: 10px;
  background: #fff;
}

.v4-model-row {
  border: 1px solid rgba(23, 32, 42, 0.12);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}

.v4-model-row-content {
  background: #fff;
}

.v4-model-mechanism-band {
  margin: 8px 12px;
  border-radius: 6px;
}

.v4-model-capability-band {
  margin: 8px 12px;
}

.v4-model-judgment-band {
  margin: 8px 12px;
}

.v4-model-note-row .v4-model-row-content {
  margin: 8px 12px 8px;
}

.v4-model-mechanism-loop {
  display: none;
}

.v4-model-label-glyph {
  width: 28px;
  height: 28px;
  opacity: 1;
}

.v4-model-mech-glyph::before {
  inset: 11px;
}

.v4-model-stage-glyph::after {
  width: 15px;
  height: 15px;
  opacity: 1;
  right: 1px;
  bottom: 1px;
}

.v4-model-stage-arrow-glyph {
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid var(--v4-blue);
}

.v4-model-iteration {
  flex: 0 0 52px;
  min-height: 52px;
  overflow: visible;
}

.v4-model-iteration-svg {
  height: 48px;
  overflow: visible;
}

.v4-model-iteration-label {
  margin-top: 0;
  font-size: 0.8125rem;
  font-weight: 700;
}

.v4-model-path-inner {
  overflow: visible;
}

.v4-model-stage-card {
  box-shadow: none;
  border-width: 1px;
  border-top-width: 3px;
}

/* ── V7.4 model panorama — publication-grade visual refinement ── */

.v4-model-replica {
  min-width: 0;
}

.v4-model-scroll {
  border: 1px solid rgba(23, 32, 42, 0.1);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(23, 32, 42, 0.06);
  background: #faf9f6;
}

.v4-model-canvas {
  gap: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  overflow: hidden;
  background: #faf9f6;
  box-shadow: none;
}

/* Layer rows */
.v4-model-row {
  grid-template-columns: 140px 1fr;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid rgba(23, 32, 42, 0.07);
  overflow: visible;
  background: transparent;
}

.v4-model-row--path {
  background: rgba(255, 255, 255, 0.72);
}

.v4-model-row:last-of-type {
  border-bottom: none;
}

.v4-model-row-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 10px;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.03em;
  min-height: 100%;
  opacity: 0.96;
}

.v4-model-row-label--mechanism {
  background: linear-gradient(165deg, #c44a28 0%, #a83a1e 55%, #8f3218 100%);
}

.v4-model-row-label--path {
  background: linear-gradient(165deg, #0a3558 0%, #062f4f 55%, #041f35 100%);
}

.v4-model-row-label--capability {
  background: linear-gradient(165deg, #0f6674 0%, #0a4f5c 55%, #062f4f 100%);
}

.v4-model-row-label--judgment {
  background: linear-gradient(165deg, #3a8f3e 0%, #2f7d32 55%, #256428 100%);
}

.v4-model-label-glyph {
  width: 22px;
  height: 22px;
  margin: 0;
  flex-shrink: 0;
  opacity: 0.9;
}

.v4-model-row-content {
  border-left: 1px solid rgba(23, 32, 42, 0.07);
  display: flex;
  flex-direction: column;
  justify-content: stretch;
  background: transparent;
}

/* Mechanism row — lighter, compact */
.v4-model-row--mechanism {
  min-height: auto;
}

.v4-model-mechanism-band {
  margin: 12px 16px;
  padding: 14px 24px 12px;
  border: 1px solid rgba(196, 74, 40, 0.22);
  border-radius: 10px;
  background: rgba(240, 120, 80, 0.06);
  flex: 1;
}

.v4-model-mechanism-nodes {
  gap: 28px;
  padding: 4px 0 8px;
  align-items: flex-start;
  justify-content: center;
}

.v4-model-mechanism-circle {
  width: 52px;
  height: 52px;
  box-shadow: 0 2px 8px rgba(196, 74, 40, 0.22);
  background: linear-gradient(145deg, #d85a32, #b84220);
}

.v4-model-mech-glyph::before {
  inset: 13px;
}

.v4-model-mechanism-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--v4-ink);
}

.v4-model-mechanism-sub {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--v4-muted);
}

.v4-model-mechanism-arrow {
  font-size: 1.375rem;
  padding-top: 14px;
  color: rgba(196, 74, 40, 0.75);
  font-weight: 400;
}

.v4-model-mechanism-footnote {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--v4-muted);
  padding: 6px 12px 0;
  margin-top: 2px;
}

.v4-model-mechanism-node:hover .v4-model-mechanism-circle,
.v4-model-mechanism-node:focus-visible .v4-model-mechanism-circle {
  box-shadow: 0 0 0 3px rgba(196, 74, 40, 0.18);
}

/* Path row — visual core */
.v4-model-row--path {
  min-height: auto;
}

.v4-model-path-inner {
  padding: 14px 16px 14px;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.v4-model-path-track {
  align-items: stretch;
  gap: 0;
}

.v4-model-stage-card {
  background: #fff;
  border: 1px solid rgba(23, 32, 42, 0.1);
  border-top: 3px solid var(--stage-color, var(--v4-blue));
  border-radius: 12px;
  padding: 12px 11px 10px;
  box-shadow: 0 2px 10px rgba(23, 32, 42, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.v4-model-stage-card:hover,
.v4-model-stage-card:focus-visible {
  border-color: rgba(23, 32, 42, 0.14);
  box-shadow: 0 4px 14px rgba(23, 32, 42, 0.07);
  transform: translateY(-1px);
}

.v4-model-stage-card.is-selected {
  box-shadow: inset 0 0 0 1px var(--stage-color, var(--v4-blue)), 0 4px 14px rgba(23, 32, 42, 0.08);
  transform: none;
}

.v4-model-stage-icon {
  width: 30px;
  height: 30px;
  font-size: 0.8125rem;
  margin-bottom: 7px;
  background: var(--stage-color, var(--v4-blue));
  box-shadow: none;
}

.v4-model-stage-glyph::after {
  display: none !important;
}

.v4-model-stage-title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--v4-ink);
}

.v4-model-stage-en {
  font-size: 0.6875rem;
  margin-bottom: 7px;
  color: var(--v4-muted);
  letter-spacing: 0.02em;
}

.v4-model-stage-divider {
  margin: 5px 0 7px;
  background: rgba(23, 32, 42, 0.08);
}

.v4-model-stage-list {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--v4-muted);
}

.v4-model-stage-list li {
  margin-bottom: 2px;
}

.v4-model-stage-arrow {
  align-self: center;
  padding: 0 6px;
}

.v4-model-stage-arrow-glyph {
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid rgba(6, 47, 79, 0.55);
}

/* Iteration strip — inside path layer */
.v4-model-iteration,
.v4-model-iteration-svg {
  display: none;
}

.v4-model-iteration-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 2px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(7, 90, 168, 0.05);
  border: 1px solid rgba(7, 90, 168, 0.12);
}

.v4-model-iteration-label {
  flex: 0 0 auto;
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(6, 47, 79, 0.85);
  white-space: nowrap;
  margin: 0;
}

.v4-model-iteration-line {
  flex: 1 1 auto;
  min-width: 0;
  height: 24px;
}

.v4-model-iteration-line-svg {
  display: block;
  width: 100%;
  height: 24px;
  overflow: visible;
}

/* Capability row — support band */
.v4-model-row--capability {
  min-height: auto;
}

.v4-model-capability-band {
  margin: 12px 16px;
  border: 1px solid rgba(6, 47, 79, 0.14);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(6, 47, 79, 0.03);
}

.v4-model-capability-head {
  padding: 10px 18px;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.8125rem;
  background: linear-gradient(180deg, #0a3558 0%, #062f4f 100%);
  border-bottom: none;
}

.v4-model-capability-head strong {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
}

.v4-model-capability-head span {
  color: rgba(248, 245, 239, 0.78);
  font-size: 0.75rem;
}

.v4-model-capability-cells {
  background: rgba(255, 255, 255, 0.65);
}

.v4-model-capability-cell {
  padding: 16px 14px;
  border-right: 1px solid rgba(6, 47, 79, 0.08);
  text-align: center;
  transition: background 0.15s ease;
}

.v4-model-capability-cell:last-child {
  border-right: 0;
}

.v4-model-capability-cell:hover,
.v4-model-capability-cell:focus-visible {
  background: rgba(6, 47, 79, 0.05);
}

.v4-model-capability-cell.is-selected {
  background: rgba(6, 47, 79, 0.08);
}

.v4-model-capability-cell strong {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--v4-navy);
}

.v4-model-capability-cell em {
  font-size: 0.6875rem;
  margin-bottom: 6px;
  color: var(--v4-muted);
}

.v4-model-capability-cell p {
  font-size: 0.8125rem;
  line-height: 1.48;
  color: var(--v4-muted);
}

/* Judgment row — foundation tags */
.v4-model-row--judgment {
  min-height: auto;
}

.v4-model-judgment-band {
  margin: 12px 16px;
  padding: 12px 16px 14px;
  border: 1px solid rgba(47, 125, 50, 0.2);
  border-radius: 10px;
  background: rgba(47, 125, 50, 0.04);
}

.v4-model-judgment-head {
  font-size: 0.8125rem;
  margin-bottom: 10px;
  text-align: center;
}

.v4-model-judgment-head strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #2f7d32;
}

.v4-model-judgment-head span {
  font-size: 0.75rem;
  display: block;
  margin-top: 3px;
  color: var(--v4-muted);
}

.v4-model-judgment-cells {
  gap: 8px;
}

.v4-model-judgment-cell {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 10px 12px;
  line-height: 1.4;
  min-height: 46px;
  border: 1px solid rgba(47, 125, 50, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--v4-ink);
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.v4-model-judgment-cell:hover,
.v4-model-judgment-cell:focus-visible {
  background: rgba(47, 125, 50, 0.06);
  border-color: rgba(47, 125, 50, 0.28);
  box-shadow: 0 2px 8px rgba(47, 125, 50, 0.08);
}

.v4-model-judgment-cell.is-selected {
  background: rgba(47, 125, 50, 0.1);
  border-color: rgba(47, 125, 50, 0.35);
}

/* Bottom note — full-width bar */
.v4-model-note-row,
.v4-model-row--note {
  display: none;
}

.v4-model-note-bar {
  padding: 12px 16px 16px;
  background: transparent;
}

.v4-model-note-bar .v4-model-note-text {
  margin: 0;
  padding: 14px 18px;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--v4-muted);
  text-align: left;
  background: rgba(7, 90, 168, 0.05);
  border: 1px solid rgba(7, 90, 168, 0.14);
  border-radius: 10px;
}

.v4-model-note-kicker {
  font-weight: 700;
  color: rgba(6, 47, 79, 0.85);
}

/* Interaction focus */
.v4-model-stage-card:focus-visible,
.v4-model-capability-cell:focus-visible,
.v4-model-judgment-cell:focus-visible,
.v4-model-mechanism-node:focus-visible {
  outline: 2px solid rgba(6, 47, 79, 0.35);
  outline-offset: 2px;
}

/* ── V7.5 icon system — book-diagram semantics, inline SVG ── */

.v4-model-label-glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin: 0 auto 10px;
  background: none !important;
  opacity: 0.96;
}

.v4-model-svg--label {
  display: block;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.v4-model-row-label > span:last-child {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
}

/* Mechanism node icons */
.v4-model-mechanism-circle {
  display: flex;
  align-items: center;
  justify-content: center;
}

.v4-model-mechanism-circle::after {
  display: none !important;
}

.v4-model-mech-glyph::before,
.v4-model-mech-glyph::after {
  display: none !important;
}

.v4-model-svg--mech {
  display: block;
  width: 26px;
  height: 26px;
}

/* Stage card header with semantic icons */
.v4-model-stage-head {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.v4-model-stage-icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--stage-color, var(--v4-blue));
  margin-bottom: 0;
  font-size: 0;
  line-height: 0;
  color: transparent;
  box-shadow: none;
}

.v4-model-svg--stage {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.v4-model-stage-title-block {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.v4-model-stage-title-block .v4-model-stage-title {
  margin: 0;
}

.v4-model-stage-title-block .v4-model-stage-en {
  margin-bottom: 0;
}

.v4-model-stage-glyph::after {
  display: none !important;
}

/* EDGE capability icons */
.v4-model-cap-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 6px;
  color: rgba(6, 47, 79, 0.62);
}

.v4-model-svg--cap {
  display: block;
  width: 18px;
  height: 18px;
}

/* Bottom note target icon */
.v4-model-note-bar .v4-model-note-text {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.v4-model-note-icon {
  flex: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  color: rgba(6, 47, 79, 0.68);
}

.v4-model-svg--note {
  display: block;
  width: 18px;
  height: 18px;
}

.v4-model-note-kicker {
  flex: 0 0 auto;
}

.v4-model-note-body {
  flex: 1 1 auto;
  min-width: 0;
}

/* Disable legacy CSS background glyphs */
.v4-model-label-glyph--mechanism,
.v4-model-label-glyph--path,
.v4-model-label-glyph--capability,
.v4-model-label-glyph--judgment,
.v4-model-label-glyph--note {
  background-image: none !important;
}

/* ── V8.2 GLOBAL model diagram standards ── */
/* Supersedes V8.1 model consolidation */

/* Mechanism loop artifact removal */
.v4-model-mechanism-loop,
.v4-model-mechanism-loop-cue,
.v4-model-mechanism-orbit,
.v4-model-mechanism-cycle {
  display: none !important;
}

.v4-model-mechanism-band::before,
.v4-model-mechanism-band::after {
  content: none !important;
  display: none !important;
}

/* Left layer icon sizing — final */
.v4-model-row-label .v4-model-label-glyph {
  display: block;
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  opacity: 1;
  line-height: 0;
  background: none !important;
}

.v4-model-row-label .v4-model-label-glyph svg,
.v4-model-svg--label {
  display: block;
  width: 34px;
  height: 34px;
  margin: 0 auto;
  flex-shrink: 0;
}

.v4-model-row-label .v4-model-label-glyph svg * {
  vector-effect: non-scaling-stroke;
}

.v4-model-row-label > span:last-child {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  text-align: center;
}

/* Mechanism row icons — final */
.v4-model-mechanism-band {
  position: relative;
}

.v4-model-mechanism-nodes {
  position: relative;
  z-index: 1;
}

.v4-model-mechanism-circle {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.v4-model-svg--mech {
  width: 25px;
  height: 25px;
}

/* Stage card header + icons — final */
.v4-model-stage-head {
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.v4-model-stage-icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
}

.v4-model-svg--stage {
  width: 20px;
  height: 20px;
}

/* Capability + note icons — final */
.v4-model-cap-icon {
  margin-bottom: 8px;
  color: rgba(6, 47, 79, 0.72);
  opacity: 1;
}

.v4-model-svg--cap {
  width: 20px;
  height: 20px;
}

.v4-model-note-icon {
  flex: 0 0 20px;
  color: rgba(6, 47, 79, 0.78);
}

.v4-model-svg--note {
  width: 20px;
  height: 20px;
}

/* Model typography minimums */
.v4-model-stage-title-block .v4-model-stage-title,
.v4-model-stage-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
}

.v4-model-stage-title-block .v4-model-stage-en,
.v4-model-stage-en {
  font-size: 0.6875rem;
}

.v4-model-stage-list {
  font-size: 0.6875rem;
  line-height: 1.45;
}

.v4-model-capability-cell strong {
  font-size: 0.8125rem;
}

.v4-model-capability-cell p {
  font-size: 0.6875rem;
  line-height: 1.45;
}

.v4-model-judgment-cell {
  font-size: 0.6875rem;
}

.v4-model-mechanism-sub {
  font-size: 0.6875rem;
  line-height: 1.45;
}

/* Model canvas width — final */
@media (min-width: 992px) {
  .v4-model-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .v4-model-canvas {
    min-width: 1180px;
  }
}

@media (min-width: 1280px) {
  .v4-model-canvas {
    min-width: 0;
    width: 100%;
  }

  .v4-model-scroll {
    overflow-x: visible;
  }
}

/* Model diagram UX polish */
.v4-model-scroll {
  border-color: rgba(23, 32, 42, 0.1);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(23, 32, 42, 0.05);
}

.v4-model-stage-card {
  box-shadow: 0 2px 8px rgba(23, 32, 42, 0.04);
}

.v4-model-stage-card:hover,
.v4-model-stage-card:focus-visible {
  box-shadow: 0 4px 12px rgba(23, 32, 42, 0.06);
}

.v4-model-mechanism-title {
  font-size: 0.9375rem;
  font-weight: 700;
}

.v4-model-mechanism-footnote {
  font-size: 0.75rem;
  line-height: 1.5;
}

.v4-model-note-bar .v4-model-note-text {
  font-size: 0.8125rem;
  line-height: 1.55;
}

.v4-model-stage-card:focus-visible,
.v4-model-capability-cell:focus-visible,
.v4-model-judgment-cell:focus-visible,
.v4-model-mechanism-node:focus-visible {
  outline: 2px solid rgba(6, 47, 79, 0.35);
  outline-offset: 2px;
}

/* GoxEDGE V_NEXT — model panorama readability */
.model-panorama-scroll {
  overflow-x: auto !important;
  padding-bottom: 0.5rem !important;
}
.model-panorama-scroll #v4-model-mount,
.model-panorama-scroll .v4-model-replica,
.v4-model-replica {
  min-width: 1180px !important;
}
.v4-model-canvas {
  min-width: 1180px !important;
}
.v4-model-row-label strong,
.v4-model-row-label span {
  font-size: 1rem !important;
  line-height: 1.35 !important;
}
.v4-model-mechanism-node-title,
.v4-model-mechanism-node strong {
  font-size: 1rem !important;
}
.v4-model-mechanism-node-subtitle,
.v4-model-mechanism-node span,
.v4-model-mechanism-footnote {
  font-size: 0.88rem !important;
  line-height: 1.55 !important;
}
.v4-model-stage-title-block .v4-model-stage-title,
.v4-model-stage-title {
  font-size: 1rem !important;
  line-height: 1.32 !important;
  font-weight: 850 !important;
}
.v4-model-stage-title-block .v4-model-stage-en,
.v4-model-stage-en {
  font-size: 0.78rem !important;
  line-height: 1.2 !important;
}
.v4-model-stage-list {
  gap: 0.36rem !important;
}
.v4-model-stage-list li {
  font-size: 0.86rem !important;
  line-height: 1.45 !important;
}
.v4-model-capability-head strong,
.v4-model-judgment-head strong {
  font-size: 1rem !important;
}
.v4-model-capability-head span,
.v4-model-judgment-head span {
  font-size: 0.86rem !important;
}
.v4-model-capability-cell strong,
.v4-model-judgment-cell strong {
  font-size: 0.95rem !important;
  line-height: 1.35 !important;
}
.v4-model-capability-cell span,
.v4-model-judgment-cell span {
  font-size: 0.84rem !important;
  line-height: 1.5 !important;
}
.v4-model-note-text,
.v4-model-note-body {
  font-size: 0.92rem !important;
  line-height: 1.65 !important;
}
@media (max-width: 860px) {
  .model-panorama-scroll::after {
    content: "左右滑动查看完整模型";
    display: block;
    margin-top: 0.75rem;
    color: var(--v4-muted, #42526B);
    font-size: 0.86rem;
    text-align: center;
  }
}

/* GoxEDGE V_NEXT — iteration label above dashed line */
.v4-model-iteration-strip {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 0.45rem !important;
  align-items: center !important;
  justify-items: center !important;
  text-align: center !important;
  padding: 0.8rem 1rem !important;
}
.v4-model-iteration-label {
  display: block !important;
  justify-self: center !important;
  margin: 0 !important;
  color: var(--v4-navy, #061A33) !important;
  font-size: 0.95rem !important;
  font-weight: 850 !important;
  line-height: 1.35 !important;
  text-align: center !important;
  white-space: normal !important;
}
.v4-model-iteration-line {
  width: 100% !important;
  max-width: 100% !important;
  display: block !important;
  flex: none !important;
}
.v4-model-iteration-line-svg {
  display: block !important;
  width: 100% !important;
  height: 22px !important;
}