.page-products {
  --ps-panel: #0A1B16;
  --ps-hair: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  padding-block-end: 4rem;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .breadcrumb-list > li + li::before {
  content: "/";
  margin-inline-end: 0.5rem;
  color: var(--line);
}

.page-products .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.75rem;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--white);
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 5.5vw, 2.6rem);
}

.page-products .section-lede {
  max-width: 60ch;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.page-products .section {
  padding-block: 2.75rem;
  border-top: var(--ps-hair);
}

.page-products .section-head {
  margin-bottom: 1.75rem;
}

/* 首屏 */
.page-products .hero {
  display: grid;
  gap: 2rem;
  padding-block: 1.5rem 3rem;
}

.page-products .hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-size: clamp(2.2rem, 8vw, 4rem);
  margin: 0 0 1rem;
  color: var(--white);
}

.page-products .hero-lede {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 46ch;
}

.page-products .hero-index {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: var(--ps-hair);
}

.page-products .hero-index li {
  border-bottom: var(--ps-hair);
}

.page-products .hero-index a {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.7rem 0;
  color: var(--white);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 160ms ease;
}

.page-products .hero-index a .mono {
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.page-products .hero-index a:hover,
.page-products .hero-index a:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .hero-stack {
  display: grid;
  gap: 0.75rem;
}

.page-products .stack-card {
  background: var(--ink-deepest);
  border: var(--ps-hair);
  border-left: 3px solid var(--line);
  padding: 1rem 1.1rem;
}

.page-products .stack-card--signal {
  border-left-color: var(--signal);
}

.page-products .stack-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .stack-value {
  margin: 0 0 0.4rem;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-products .stack-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pulse-ring {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-inline-start: 0.4rem;
  background: var(--cyan);
  border-radius: 50%;
  vertical-align: middle;
  animation: ps-pulse 2.2s ease-out infinite;
}

@keyframes ps-pulse {
  0% { box-shadow: 0 0 0 0 rgba(60, 242, 196, 0.45); }
  100% { box-shadow: 0 0 0 14px rgba(60, 242, 196, 0); }
}

/* 路径 */
.page-products .path-grid {
  display: grid;
  gap: 1.5rem;
}

.page-products .tree-scroll {
  overflow-x: auto;
  border: var(--ps-hair);
  background: var(--ps-panel);
  padding: 0.75rem;
}

.page-products .skill-tree {
  display: block;
  width: 100%;
  min-width: 660px;
  height: auto;
}

.page-products .tree-links path {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
}

.page-products .tree-node rect {
  fill: var(--ink-deepest);
  stroke: var(--line);
  stroke-width: 1;
}

.page-products .tree-node--accent rect {
  stroke: var(--cyan);
}

.page-products .node-num {
  fill: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.page-products .node-name {
  fill: var(--white);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-products .media-frame {
  margin: 0;
  border: var(--ps-hair);
  background: var(--ink-deepest);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .media-frame figcaption {
  padding: 0.6rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  color: var(--muted);
  border-top: var(--ps-hair);
}

.page-products .path-side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-products .feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--ps-hair);
}

.page-products .feature-list li {
  background: var(--ps-panel);
  padding: 0.9rem 1rem;
}

.page-products .feature-list h3,
.page-products .feature-list h4 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .feature-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .feature-list--tight li {
  padding: 0.75rem 0.9rem;
}

/* 功能域标签页 */
.page-products .domain-tabs {
  border: var(--ps-hair);
  background: var(--ps-panel);
}

.page-products .domain-tabbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: var(--ps-hair);
}

.page-products .domain-tabbar .tab {
  appearance: none;
  border: 0;
  background: var(--ink-deepest);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.85rem 0.6rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.page-products .domain-tabbar .tab:hover,
.page-products .domain-tabbar .tab:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-products .domain-tabbar .tab[aria-selected="true"] {
  color: var(--cyan);
  background: var(--ps-panel);
  border-bottom-color: var(--cyan);
}

.page-products .tab-panel {
  padding: 1.25rem 1rem 1.5rem;
}

.page-products .tab-panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-products .panel-grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .panel-copy h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.4vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .panel-copy p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .filter-steps {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--ps-hair);
}

.page-products .filter-step {
  background: var(--ink-deepest);
  padding: 0.85rem 1rem;
}

.page-products .step-num {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 0.35rem;
}

.page-products .filter-step h4 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .filter-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .change-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .change-legend li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .change-legend strong {
  color: var(--white);
  font-weight: 600;
}

.page-products .legend-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 0.45rem;
  background: var(--line);
}

.page-products .legend-dot--signal { background: var(--signal); }
.page-products .legend-dot--yellow { background: var(--yellow); }
.page-products .legend-dot--cyan { background: var(--cyan); }

.page-products .panel-grid--shots {
  margin-bottom: 1.5rem;
}

.page-products .shots-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .stage-tabs {
  border: var(--ps-hair);
  background: var(--ink-deepest);
  margin-bottom: 0.5rem;
}

.page-products .stage-tabbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.page-products .stage-tabbar .tab {
  appearance: none;
  border: 0;
  background: var(--ink-deepest);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.65rem 0.2rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.page-products .stage-tabbar .tab:hover,
.page-products .stage-tabbar .tab:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-products .stage-tabbar .tab[aria-selected="true"] {
  color: var(--ink-deepest);
  background: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .stage-tabs .tab-panel {
  padding: 0.85rem 0.9rem;
}

.page-products .stage-tabs .tab-panel p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .table-scroll {
  overflow-x: auto;
  border: var(--ps-hair);
  background: var(--ps-panel);
}

.page-products .metrics-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.page-products .metrics-table th,
.page-products .metrics-table td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: var(--ps-hair);
  vertical-align: top;
}

.page-products .metrics-table thead th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--ink-deepest);
  white-space: nowrap;
}

.page-products .metrics-table tbody th {
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

.page-products .metrics-table tbody td {
  color: var(--muted);
  line-height: 1.6;
}

.page-products .metrics-table tbody td.mono {
  color: var(--cyan);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-products .metrics-table tbody tr:hover td,
.page-products .metrics-table tbody tr:hover th {
  background: rgba(60, 242, 196, 0.05);
}

/* 入口与多联赛 */
.page-products .entry-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .entry-steps {
  border: var(--ps-hair);
  background: var(--ink-deepest);
}

.page-products .entry-steps summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .entry-steps summary::-webkit-details-marker {
  display: none;
}

.page-products .entry-steps summary::before {
  content: "+ ";
  color: var(--muted);
}

.page-products .entry-steps[open] summary {
  border-bottom: var(--ps-hair);
}

.page-products .entry-steps[open] summary::before {
  content: "– ";
  color: var(--cyan);
}

.page-products .entry-steps ol {
  margin: 0;
  padding: 0.9rem 1rem 1rem 2.2rem;
  display: grid;
  gap: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .entry-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--ps-hair);
}

.page-products .entry-stats li {
  background: var(--ps-panel);
  padding: 0.8rem 1rem;
}

.page-products .entry-stats .mono {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.2rem;
}

.page-products .entry-stats p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
}

/* 场景 */
.page-products .scene-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--ps-hair);
}

.page-products .scene-card {
  background: var(--ps-panel);
  padding: 1.1rem 1rem;
  border-left: 3px solid transparent;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-products .scene-card:hover {
  border-left-color: var(--cyan);
  background: #0d241d;
}

.page-products .scene-num {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-products .scene-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .scene-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}

/* 版本节奏 */
.page-products .cadence-timeline {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--ps-hair);
}

.page-products .cadence-item {
  background: var(--ink-deepest);
  padding: 1rem;
  border-left: 3px solid var(--line);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-products .cadence-item:hover,
.page-products .cadence-item:focus-within {
  border-left-color: var(--cyan);
  background: #0d241d;
}

.page-products .cadence-dot {
  display: block;
  width: 8px;
  height: 8px;
  margin-bottom: 0.6rem;
  background: var(--yellow);
}

.page-products .cadence-item:hover .cadence-dot {
  background: var(--cyan);
}

.page-products .cadence-item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-products .cadence-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--muted);
  opacity: 0.82;
  transition: opacity 180ms ease;
}

.page-products .cadence-item:hover .cadence-note {
  opacity: 1;
}

/* 结尾行动区 */
.page-products .cta-band {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem 1.1rem;
  background: var(--ink-deepest);
  border: var(--ps-hair);
  border-left: 4px solid var(--signal);
}

.page-products .cta-copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .cta-copy p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 62ch;
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: start;
}

@media (min-width: 720px) {
  .page-products .domain-tabbar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cadence-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .cta-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.75rem 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-products .hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3.5rem;
    align-items: start;
    padding-block: 2rem 4rem;
  }

  .page-products .hero-stack {
    gap: 0.9rem;
  }

  .page-products .hero-stack .stack-card:nth-child(2) {
    margin-inline-start: 2rem;
  }

  .page-products .hero-stack .stack-card:nth-child(3) {
    margin-inline-start: 1rem;
  }

  .page-products .path-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2rem;
    align-items: start;
  }

  .page-products .panel-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 2rem;
    align-items: start;
  }

  .page-products .panel-grid--shots {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-products .shots-side {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .tab-panel {
    padding: 1.75rem 1.5rem 2rem;
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cadence-timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}