.page-products .pf-crumb-row {
  padding-block: 18px 0;
}

.page-products .pf-hero {
  padding-block: clamp(20px, 4vw, 36px) clamp(32px, 5vw, 64px);
}

.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pf-hero__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--paper-050);
}

.page-products .pf-hero__lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-products .pf-hero__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-products .pf-hero__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-200);
}

.page-products .pf-hero__list .mono {
  color: var(--sand-500);
  font-size: 12px;
  flex: none;
}

.page-products .pf-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--paper-shadow);
}

.page-products .pf-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-hero__figure .figure__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
  border-top: 1px solid var(--line);
}

.page-products .pf-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products .pf-rail {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  padding: 14px 16px;
}

.page-products .pf-rail .toc__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand-500);
  margin: 0 0 10px;
}

.page-products .pf-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-products .pf-rail__list li {
  flex: none;
}

.page-products .pf-rail .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--paper-200);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-rail .toc__index {
  color: var(--sand-500);
  font-size: 11px;
}

.page-products .pf-rail .toc__link[aria-current="true"] {
  border-color: var(--signal-500);
  color: var(--paper-050);
}

.page-products .pf-rail .toc__link:hover {
  border-color: var(--cyan-300);
}

.page-products .pf-main {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}

.page-products .pf-section {
  min-width: 0;
  scroll-margin-top: calc(var(--header-space) + 16px);
}

.page-products [data-chapter] {
  scroll-margin-top: calc(var(--header-space) + 16px);
}

.page-products .pf-section .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .pf-zones-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .pf-zones-figure .figure__frame {
  height: clamp(96px, 16vw, 148px);
}

.page-products .pf-zones-figure .figure__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-products .pf-zones-figure .figure__caption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--mist-400);
  border-top: 1px solid var(--line);
}

.page-products .pf-zones {
  display: grid;
  gap: 14px;
}

.page-products .pf-zone {
  border: 1px solid var(--line);
  background: var(--ink-800);
  border-radius: var(--r-sm);
  padding: 18px;
  box-shadow: var(--paper-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pf-zone:hover {
  transform: translateY(-4px);
  box-shadow: var(--paper-shadow-lift);
}

.page-products .pf-zone--accent {
  border-color: rgba(199, 161, 90, 0.55);
  background: var(--ink-700);
}

.page-products .pf-zone .panel__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .pf-zone__num {
  font-size: 12px;
  color: var(--sand-500);
  letter-spacing: 0.08em;
}

.page-products .pf-zone .panel__title {
  margin: 0;
  font-size: 18px;
  color: var(--paper-050);
}

.page-products .pf-zone .panel__body {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-products .pf-zone .panel__body p {
  margin: 0 0 8px;
}

.page-products .pf-zone__link {
  margin: 4px 0 0;
}

.page-products .pf-zone__link a {
  color: var(--cyan-300);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 208, 192, 0.4);
}

.page-products .pf-zone__link a:hover {
  border-bottom-color: var(--cyan-300);
}

.page-products .pf-compat {
  background: var(--paper-050);
  color: var(--ink-900);
  padding-block: clamp(28px, 5vw, 56px);
  border-top: 1px solid var(--sand-500);
  border-bottom: 1px solid var(--sand-500);
  scroll-margin-top: calc(var(--header-space) + 16px);
}

.page-products .pf-compat .label {
  color: var(--ink-800);
}

.page-products .pf-compat .section-head__title {
  color: var(--ink-950);
  margin: 8px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-products .pf-compat .section-head__aside {
  color: var(--mist-600);
  font-size: 13px;
  line-height: 1.7;
}

.page-products .pf-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--paper-200);
  border-radius: var(--r-sm);
  background: #FBF9F3;
}

.page-products .pf-matrix {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-matrix__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px 6px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-600);
}

.page-products .pf-matrix thead th {
  background: var(--ink-900);
  color: var(--paper-050);
  font-weight: 600;
  font-size: 13px;
  text-align: left;
  padding: 10px 12px;
  white-space: nowrap;
}

.page-products .pf-matrix tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--ink-950);
  padding: 10px 12px;
  white-space: nowrap;
  font-size: 13.5px;
}

.page-products .pf-matrix tbody td {
  padding: 9px 12px;
  border-top: 1px solid var(--paper-200);
  white-space: nowrap;
}

.page-products .pf-matrix tbody tr:nth-child(even) {
  background: rgba(217, 211, 198, 0.28);
}

.page-products .pf-cell {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 1.5;
}

.page-products .pf-cell::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  flex: none;
  background: currentColor;
}

.page-products .pf-cell--ok {
  color: var(--celadon-600);
}

.page-products .pf-cell--warn {
  color: #B9541F;
}

.page-products .pf-cell--na {
  color: var(--mist-600);
}

.page-products .pf-legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--mist-600);
}

.page-products .pf-legend li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .pf-resolution {
  margin: clamp(24px, 4vw, 36px) 0 0;
  border: 1px solid var(--paper-200);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-900);
}

.page-products .pf-resolution .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-resolution .figure__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-400);
  border-top: 1px solid var(--line);
}

.page-products .pf-anchor {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(240, 102, 43, 0.42);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--paper-shadow);
}

.page-products .pf-anchor__bar {
  width: 100%;
  height: 4px;
  background: var(--signal-500);
  border-radius: var(--r-xs);
}

.page-products .pf-anchor__title {
  margin: 10px 0 12px;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-products .pf-anchor__text p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist-400);
  max-width: 40em;
}

.page-products .pf-anchor__path {
  display: inline-block;
  padding: 6px 12px;
  border: 1px dashed var(--sand-500);
  border-radius: var(--r-xs);
  font-size: 13px;
  color: var(--sand-100);
  letter-spacing: 0.04em;
}

.page-products .pf-anchor__actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-products .pf-copy {
  cursor: pointer;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--paper-050);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pf-copy:hover {
  border-color: var(--signal-500);
  color: var(--signal-100);
}

.page-products .pf-copy[data-copied] {
  border-color: var(--celadon-600);
  color: var(--celadon-100);
}

.page-products .pf-anchor__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-900);
}

.page-products .pf-anchor__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-anchor__figure .figure__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-400);
  border-top: 1px solid var(--line);
}

.page-products .pf-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pf-step;
}

.page-products .pf-step details {
  border: 1px solid var(--line);
  border-left: 2px solid var(--sand-500);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  padding: 14px 16px;
}

.page-products .pf-step details[open] {
  border-left-color: var(--signal-500);
}

.page-products .pf-step summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  color: var(--paper-050);
  line-height: 1.6;
}

.page-products .pf-step summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-step__num {
  flex: none;
  font-size: 12px;
  color: var(--sand-500);
  letter-spacing: 0.08em;
}

.page-products .pf-step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 600;
}

.page-products .pf-step__hint {
  flex: none;
  font-size: 12px;
  color: var(--mist-400);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  padding: 2px 10px;
}

.page-products .pf-step details[open] .pf-step__hint {
  color: var(--signal-100);
  border-color: rgba(240, 102, 43, 0.5);
}

.page-products .pf-step__body {
  margin-top: 12px;
  padding-left: 30px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-products .pf-step__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-products .pf-files {
  display: grid;
  gap: 14px;
}

.page-products .pf-file {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-800);
  padding: 18px;
  box-shadow: var(--paper-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pf-file:hover {
  transform: translateY(-4px);
  box-shadow: var(--paper-shadow-lift);
}

.page-products .pf-file .panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-products .pf-file .panel__title {
  margin: 0;
  font-size: 18px;
  color: var(--paper-050);
}

.page-products .pf-file .panel__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-products .pf-file__meta {
  margin: 16px 0 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .pf-file__meta > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
}

.page-products .pf-file__meta dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand-500);
  min-width: 4.5em;
}

.page-products .pf-file__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper-200);
}

.page-products .pf-file__meta dd.mono {
  color: var(--cyan-300);
  letter-spacing: 0.04em;
}

.page-products .pf-file .pf-copy {
  margin-top: 16px;
}

.page-products .pf-spec-figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .pf-spec-figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-spec-figure .figure__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-400);
  border-top: 1px solid var(--line);
}

.page-products .pf-cta {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  padding: clamp(22px, 3.4vw, 34px);
}

.page-products .pf-cta h2 {
  margin: 10px 0 12px;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-products .pf-cta > p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist-400);
  max-width: 42em;
}

.page-products .pf-cta__actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-cta__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-600);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .pf-cta__note a {
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 208, 192, 0.35);
}

@media (min-width: 620px) {
  .page-products .pf-zones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .pf-zones {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pf-anchor__bar {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .pf-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
  }

  .page-products .pf-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .pf-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-space) + 16px);
    padding: 16px;
  }

  .page-products .pf-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
  }

  .page-products .pf-rail .toc__link {
    width: 100%;
    border-radius: var(--r-sm);
    border-color: transparent;
    border-left: 2px solid var(--line-strong);
    padding: 7px 10px;
    justify-content: flex-start;
  }

  .page-products .pf-rail .toc__link[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--signal-500);
    background: rgba(240, 102, 43, 0.12);
    color: var(--paper-050);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-zone,
  .page-products .pf-file,
  .page-products .pf-copy,
  .page-products .pf-rail .toc__link {
    transition: none;
  }

  .page-products .pf-zone:hover,
  .page-products .pf-file:hover {
    transform: none;
  }
}
<<<END>>>