:root {
  --manual-bg: #0f1115;
  --manual-panel: #151922;
  --manual-panel-raised: #1b2029;
  --manual-panel-soft: #12151b;
  --manual-line: #2b323d;
  --manual-line-strong: #424b59;
  --manual-text: #f1f3f5;
  --manual-muted: #b1b9c4;
  --manual-dim: #7e8996;
  --manual-accent: #b7eee4;
  --manual-accent-strong: #75d9c9;
  --manual-warning: #f2c94c;
  --manual-danger: #f08c8c;
  --manual-code: #e7edf2;
  --manual-radius: 0.8rem;
}

body.manual-body,
body.manual-hub-body {
  background: var(--manual-bg);
  color: var(--manual-text);
  overflow-x: hidden;
}

.manual-page,
.manual-hub {
  background:
    radial-gradient(circle at 88% 0, rgba(183, 238, 228, 0.08), transparent 24rem),
    var(--manual-bg);
  color: var(--manual-text);
  min-height: 100vh;
  overflow-x: clip;
  padding: 2.25rem 0 5rem;
}

.manual-page *,
.manual-hub * {
  box-sizing: border-box;
  max-width: 100%;
}

.manual-page a,
.manual-hub a {
  color: var(--manual-accent);
}

.manual-page a:focus-visible,
.manual-hub a:focus-visible,
.manual-page button:focus-visible,
.manual-hub button:focus-visible,
.manual-page summary:focus-visible,
.manual-hub summary:focus-visible {
  outline: 3px solid var(--manual-warning);
  outline-offset: 4px;
}

.manual-hero {
  align-items: end;
  border-bottom: 1px solid var(--manual-line-strong);
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 18rem);
  padding: 1rem 0 1.8rem;
}

.manual-kicker,
.manual-toc__label,
.manual-source-note__code,
.chapter-kicker,
.manual-fact span,
.manual-product__meta,
.manual-task__code,
.manual-hub__kicker {
  color: var(--manual-dim);
  font: 700 0.68rem/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.manual-hero h1 {
  color: var(--manual-text);
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin: 0.65rem 0 0;
  max-width: 13ch;
}

.manual-hero__lead {
  color: var(--manual-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin: 1rem 0 0;
  max-width: 45rem;
}

.manual-hero__actions,
.manual-support-actions,
.manual-hub__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.manual-button {
  align-items: center;
  border: 1px solid var(--manual-line-strong);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.85rem;
  font-weight: 700;
  gap: 0.5rem;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.65rem 1rem;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.manual-button:hover {
  border-color: var(--manual-accent);
  color: var(--manual-text);
}

.manual-button--primary {
  background: var(--manual-accent);
  border-color: var(--manual-accent);
  color: #101516 !important;
}

.manual-button--primary:hover {
  background: #d8fff6;
  color: #101516 !important;
}

.manual-button--quiet {
  background: transparent;
  color: var(--manual-text);
}

.manual-hero__side {
  display: grid;
  gap: 1rem;
}

.manual-hero__scene {
  background: #0b0d11;
  border: 1px solid var(--manual-line);
  margin: 0;
  min-height: 10rem;
  overflow: hidden;
}

.manual-hero__scene img {
  display: block;
  height: 100%;
  max-height: 15rem;
  object-fit: contain;
  width: 100%;
}

.manual-hero__facts {
  border-left: 1px solid var(--manual-line);
  display: grid;
  gap: 0.75rem;
  padding-left: 1rem;
}

.manual-fact {
  display: grid;
  gap: 0.25rem;
}

.manual-fact strong {
  color: var(--manual-text);
  font-size: 0.9rem;
}

.manual-version-note {
  align-items: flex-start;
  background: rgba(242, 201, 76, 0.08);
  border: 1px solid rgba(242, 201, 76, 0.36);
  border-radius: var(--manual-radius);
  display: flex;
  gap: 0.75rem;
  margin: 1.2rem auto 0;
  max-width: 60rem;
  padding: 0.9rem 1rem;
}

.manual-version-note--edition {
  background: rgba(183, 238, 228, 0.06);
  border-color: rgba(183, 238, 228, 0.26);
}

.manual-version-note__mark,
.callout__icon {
  align-items: center;
  background: var(--manual-warning);
  border-radius: 50%;
  color: #17130a;
  display: inline-flex;
  flex: 0 0 1.4rem;
  font: 800 0.75rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  height: 1.4rem;
  justify-content: center;
}

.manual-version-note--edition .manual-version-note__mark {
  background: var(--manual-accent);
}

.manual-version-note p,
.callout p {
  color: var(--manual-muted);
  line-height: 1.7;
  margin: 0;
}

.manual-version-note strong,
.callout strong {
  color: var(--manual-text);
}

code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.25rem;
  color: var(--manual-code);
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
  padding: 0.08em 0.3em;
}

.manual-progress {
  background: #252b34;
  height: 0.18rem;
  margin: 1.5rem 0 2rem;
  overflow: hidden;
}

.manual-progress span {
  background: var(--manual-accent-strong);
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  width: 100%;
}

.manual-layout {
  align-items: start;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  grid-template-columns: minmax(10rem, 14rem) minmax(0, 48rem);
  justify-content: center;
}

.manual-toc {
  align-self: start;
  position: sticky;
  top: 5.5rem;
}

.manual-toc__label {
  border-bottom: 1px solid var(--manual-line);
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.7rem;
}

.manual-toc__list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
}

.manual-toc__list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.manual-toc__list a {
  align-items: center;
  color: var(--manual-muted);
  display: grid;
  font-size: 0.78rem;
  gap: 0.5rem;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  line-height: 1.45;
  min-height: 44px;
  padding: 0.62rem 0;
  text-decoration: none;
}

.manual-toc__list a span {
  color: var(--manual-dim);
  font: 700 0.65rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.manual-toc__list a:hover,
.manual-toc__list a.is-active {
  color: var(--manual-text);
}

.manual-toc__list a.is-active span {
  color: var(--manual-accent);
}

.manual-toc-mobile {
  display: none;
}

.manual-content {
  min-width: 0;
}

.manual-noscript {
  border-left: 3px solid var(--manual-accent);
  color: var(--manual-muted);
  font-size: 0.86rem;
  line-height: 1.7;
  margin: 0 0 1rem;
  padding-left: 0.8rem;
}

.manual-chapter {
  border-top: 1px solid var(--manual-line-strong);
  margin: 0 0 2.5rem;
  padding: 2rem 0 0;
  scroll-margin-top: 5rem;
}

.chapter-heading {
  margin-bottom: 1.25rem;
}

.chapter-kicker {
  margin: 0 0 0.55rem;
}

.chapter-heading h2 {
  color: var(--manual-text);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0;
}

.chapter-goal {
  color: var(--manual-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  margin: 0.65rem 0 0;
}

.chapter-copy,
.manual-chapter > p,
.manual-chapter > ul,
.manual-chapter > ol {
  color: var(--manual-muted);
  font-size: 0.94rem;
  line-height: 1.85;
}

.chapter-copy p,
.manual-chapter > p {
  margin: 0.8rem 0;
}

.chapter-copy h3,
.manual-chapter h3 {
  color: var(--manual-text);
  font-size: 1rem;
  line-height: 1.4;
  margin: 1.3rem 0 0.45rem;
}

.manual-muted {
  color: var(--manual-dim) !important;
  font-size: 0.86rem !important;
}

.manual-checklist,
.manual-two-column,
.qa-list,
.manual-safety-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.25rem 0;
}

.manual-checklist > div,
.manual-two-column > .chapter-copy,
.qa-item,
.manual-safety-item,
.manual-mode-card {
  background: var(--manual-panel);
  border: 1px solid var(--manual-line);
  border-radius: var(--manual-radius);
  min-width: 0;
  padding: 1rem;
}

.manual-checklist > div {
  display: grid;
  gap: 0.35rem;
  grid-template-columns: 2rem minmax(0, 1fr);
}

.manual-checklist > div > span,
.manual-safety-item > span {
  align-items: center;
  background: rgba(183, 238, 228, 0.08);
  border: 1px solid rgba(183, 238, 228, 0.34);
  border-radius: 0.35rem;
  color: var(--manual-accent);
  display: inline-flex;
  font: 700 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  height: 1.9rem;
  justify-content: center;
  width: 1.9rem;
}

.manual-checklist strong {
  color: var(--manual-text);
  line-height: 1.35;
}

.manual-checklist p {
  grid-column: 2;
  margin: 0;
}

.manual-steps {
  counter-reset: manual-step;
  list-style: none;
  margin: 1.1rem 0;
  padding: 0;
}

.manual-steps li {
  border-left: 1px solid var(--manual-line-strong);
  counter-increment: manual-step;
  margin: 0;
  padding: 0.55rem 0 0.55rem 2.35rem;
  position: relative;
}

.manual-steps li::before {
  align-items: center;
  background: var(--manual-panel-raised);
  border: 1px solid var(--manual-line-strong);
  border-radius: 50%;
  color: var(--manual-accent);
  content: counter(manual-step, decimal-leading-zero);
  display: inline-flex;
  font: 700 0.65rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  height: 1.45rem;
  justify-content: center;
  left: -0.73rem;
  position: absolute;
  top: 0.65rem;
  width: 1.45rem;
}

.manual-steps strong,
.chapter-copy strong,
.manual-chapter > p strong {
  color: var(--manual-text);
}

.manual-keyboard-list {
  columns: 2;
  column-gap: 2rem;
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.manual-keyboard-list li {
  break-inside: avoid;
  margin: 0 0 0.45rem;
}

.manual-keyboard-list strong {
  color: var(--manual-text);
}

.manual-figure {
  background: var(--manual-panel-soft);
  border: 1px solid var(--manual-line);
  border-radius: var(--manual-radius);
  margin: 1.4rem 0;
  overflow: hidden;
  padding: 0.85rem;
}

.manual-figure > img {
  display: block;
  width: 100%;
  height: auto;
}

.manual-diagram {
  display: block;
  height: auto;
  max-height: 22rem;
  width: 100%;
}

.diagram-panel {
  fill: #181d25;
  stroke: #3b4552;
  stroke-width: 1.5;
}

.diagram-panel--accent {
  fill: #172522;
  stroke: #75d9c9;
}

.diagram-panel--warning {
  fill: #2a2414;
  stroke: #f2c94c;
}

.diagram-chip {
  fill: #27303a;
  stroke: #5b6775;
  stroke-width: 1;
}

.diagram-connector {
  fill: none;
  stroke: #657181;
  stroke-width: 2;
}

.diagram-dot {
  fill: var(--manual-accent-strong);
}

.diagram-label,
.diagram-muted,
.diagram-accent {
  fill: #f1f3f5;
  font-family: "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 13px;
}

.diagram-muted {
  fill: #aeb8c4;
  font-size: 11px;
}

.diagram-accent {
  fill: #b7eee4;
  font-weight: 700;
}

.diagram-label--dark {
  fill: #11151a;
  font-size: 12px;
  font-weight: 700;
}

.manual-figure figcaption {
  border-top: 1px solid var(--manual-line);
  color: var(--manual-dim);
  font-size: 0.76rem;
  line-height: 1.55;
  margin-top: 0.65rem;
  padding: 0.65rem 0 0;
}

.callout {
  align-items: flex-start;
  border: 1px solid var(--manual-line-strong);
  border-radius: var(--manual-radius);
  display: flex;
  gap: 0.75rem;
  margin: 1.15rem 0;
  padding: 0.9rem 1rem;
}

.callout--warning {
  background: rgba(242, 201, 76, 0.08);
  border-color: rgba(242, 201, 76, 0.36);
}

.callout--warning .callout__icon {
  background: var(--manual-warning);
}

.callout--tip {
  background: rgba(183, 238, 228, 0.06);
  border-color: rgba(183, 238, 228, 0.3);
}

.callout--tip .callout__icon {
  background: var(--manual-accent);
}

.manual-table-wrap {
  margin: 1.1rem 0;
  max-width: 100%;
  overflow-x: auto;
}

.manual-table {
  border-collapse: collapse;
  color: var(--manual-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  table-layout: fixed;
  width: 100%;
}

.manual-table caption {
  color: var(--manual-text);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0 0 0.6rem;
  text-align: left;
}

.manual-table th,
.manual-table td {
  border-bottom: 1px solid var(--manual-line);
  overflow-wrap: anywhere;
  padding: 0.65rem 0.55rem;
  text-align: left;
  vertical-align: top;
}

.manual-table thead th {
  border-bottom-color: var(--manual-line-strong);
  color: var(--manual-text);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.manual-table tbody th {
  color: var(--manual-text);
  font-weight: 700;
}

.manual-table th:first-child {
  width: 24%;
}

.manual-table--specs th:first-child {
  width: 30%;
}

.manual-mode-card {
  border-top: 2px solid var(--manual-accent-strong);
}

.manual-mode-card__key {
  color: var(--manual-accent);
  display: block;
  font: 800 1.45rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-bottom: 0.7rem;
}

.manual-mode-card h3 {
  margin-top: 0;
}

.manual-mode-card p,
.manual-safety-item p,
.qa-item p {
  color: var(--manual-muted);
  font-size: 0.86rem;
  line-height: 1.7;
  margin: 0.45rem 0 0;
}

.qa-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.qa-item h3 {
  border-bottom: 1px solid var(--manual-line);
  margin: 0;
  padding-bottom: 0.55rem;
}

.manual-safety-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.manual-safety-item > span {
  border-radius: 0.35rem;
  margin-bottom: 0.5rem;
}

.manual-safety-item h3 {
  margin-top: 0.3rem;
}

.manual-source-note {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--manual-line);
  border-radius: var(--manual-radius);
  margin-top: 1.4rem;
  padding: 0.95rem;
}

.manual-source-note__code {
  color: var(--manual-accent);
  display: block;
  margin-bottom: 0.45rem;
}

.manual-source-note p {
  color: var(--manual-dim);
  font-size: 0.82rem;
  line-height: 1.7;
  margin: 0;
}

.chapter-next {
  align-items: center;
  border-top: 1px solid var(--manual-line);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 1.8rem;
  padding-top: 0.8rem;
}

.chapter-next span {
  color: var(--manual-dim);
  font: 700 0.66rem/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chapter-next a {
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

/* Manual hub: product selection and task routes stay close to the first viewport. */
.manual-hub {
  padding-top: 1.5rem;
}

.manual-hub__header {
  border-bottom: 1px solid var(--manual-line-strong);
  margin-bottom: 1.25rem;
  padding: 0.8rem 0 1.25rem;
}

.manual-hub__header h1 {
  color: var(--manual-text);
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0.55rem 0 0;
  max-width: 16ch;
}

.manual-hub__lead {
  color: var(--manual-muted);
  line-height: 1.7;
  margin: 0.75rem 0 0;
  max-width: 48rem;
}

.manual-hub__selection h2,
.manual-hub__tasks h2 {
  color: var(--manual-text);
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.manual-product-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.manual-product {
  background: var(--manual-panel);
  border: 1px solid var(--manual-line);
  border-radius: var(--manual-radius);
  display: grid;
  gap: 1rem;
  grid-template-columns: 8rem minmax(0, 1fr);
  padding: 0.85rem;
}

.manual-product__visual {
  align-items: center;
  background: #f0f1ee;
  border-radius: 0.55rem;
  display: flex;
  justify-content: center;
  min-height: 7rem;
  overflow: hidden;
}

.manual-product__visual img {
  display: block;
  height: 100%;
  max-height: 8rem;
  object-fit: contain;
  width: 100%;
}

.manual-product__visual .product-card__visual {
  background: transparent;
  border: 0;
  min-height: 0;
  padding: 0;
}

.manual-product__visual .product-card__visual img {
  height: 100%;
}

.manual-product__body {
  min-width: 0;
}

.manual-product__meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
}

.manual-product__meta strong {
  color: var(--manual-accent);
  font-size: 0.65rem;
}

.manual-product h3 {
  color: var(--manual-text);
  font-size: 1.05rem;
  margin: 0.45rem 0 0;
}

.manual-product p {
  color: var(--manual-muted);
  font-size: 0.83rem;
  line-height: 1.65;
  margin: 0.45rem 0;
}

.manual-product__link {
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}

.manual-hub__tasks {
  border-top: 1px solid var(--manual-line);
  margin-top: 1.35rem;
  padding-top: 1.25rem;
}

.manual-task-grid {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.manual-task-group + .manual-task-group { margin-top: 1rem; }
.manual-task-group > h3 {
  color: var(--manual-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin: 0 0 0.55rem;
}
.manual-task-group > h3 span { color: var(--manual-accent); }

.manual-task {
  background: var(--manual-panel-soft);
  border: 1px solid var(--manual-line);
  border-radius: 0.6rem;
  display: block;
  min-width: 0;
  padding: 0.75rem;
  text-decoration: none;
}

.manual-task:hover {
  border-color: var(--manual-accent-strong);
}

.manual-task__code {
  color: var(--manual-accent);
  display: block;
  font-size: 0.6rem;
}

.manual-task strong {
  color: var(--manual-text);
  display: block;
  font-size: 0.88rem;
  margin-top: 0.35rem;
}

.manual-task span:last-child {
  color: var(--manual-dim);
  display: block;
  font-size: 0.72rem;
  line-height: 1.5;
  margin-top: 0.35rem;
}

.manual-hub__note {
  border-left: 3px solid var(--manual-accent);
  color: var(--manual-muted);
  font-size: 0.84rem;
  line-height: 1.7;
  margin: 1.25rem 0 0;
  padding-left: 0.8rem;
}

@media (max-width: 1050px) {
  .manual-safety-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .manual-page,
  .manual-hub {
    padding-top: 1.25rem;
  }

  .manual-hero {
    grid-template-columns: 1fr;
  }

  .manual-hero__side {
    grid-template-columns: 8rem minmax(0, 1fr);
  }

  .manual-hero__facts {
    border-left: 1px solid var(--manual-line);
    padding-left: 1rem;
  }

  .manual-layout {
    display: block;
  }

  .manual-toc {
    display: none;
  }

  .manual-toc-mobile {
    background: var(--manual-panel);
    border: 1px solid var(--manual-line-strong);
    border-radius: var(--manual-radius);
    display: block;
    margin-bottom: 1rem;
    overflow: hidden;
  }

  .manual-toc-mobile summary {
    align-items: center;
    color: var(--manual-text);
    cursor: pointer;
    display: flex;
    font-weight: 700;
    justify-content: space-between;
    list-style: none;
    padding: 0.85rem 1rem;
  }

  .manual-toc-mobile summary::-webkit-details-marker {
    display: none;
  }

  .manual-toc-mobile summary::after {
    color: var(--manual-accent);
    content: "+";
    font: 700 1.1rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  }

  .manual-toc-mobile[open] summary::after {
    content: "-";
  }

  .manual-toc-mobile summary span:last-child {
    color: var(--manual-dim);
    font: 700 0.62rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    margin-left: auto;
    margin-right: 1rem;
  }

  .manual-toc-mobile .manual-toc__list {
    border-top: 1px solid var(--manual-line);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0.25rem 0.8rem 0.75rem;
  }

  .manual-product-grid {
    grid-template-columns: 1fr;
  }

  .manual-task-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .manual-page,
  .manual-hub {
    padding-bottom: 3rem;
  }

  .manual-hero h1,
  .manual-hub__header h1 {
    font-size: clamp(1.5rem, 6.4vw, 1.75rem);
    max-width: none;
  }

  .manual-hero__side {
    grid-template-columns: 1fr;
  }

  .manual-hero__facts {
    border-left: 0;
    border-top: 1px solid var(--manual-line);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 0.85rem 0 0;
  }

  .manual-hero__scene img {
    max-height: 12rem;
  }

  .manual-checklist,
  .manual-two-column,
  .qa-list,
  .manual-safety-grid {
    grid-template-columns: 1fr;
  }

  .manual-keyboard-list {
    columns: 1;
  }

  .manual-toc-mobile .manual-toc__list {
    grid-template-columns: 1fr;
  }

  .manual-chapter {
    margin-bottom: 2rem;
    padding-top: 1.5rem;
  }

  .manual-table {
    font-size: 0.78rem;
    table-layout: auto;
  }

  .manual-table th,
  .manual-table td {
    padding: 0.55rem 0.4rem;
  }

  .manual-table th:first-child,
  .manual-table--specs th:first-child {
    width: auto;
  }

  .manual-button {
    width: 100%;
  }

  .manual-hero__actions,
  .manual-support-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-product {
    grid-template-columns: 6.5rem minmax(0, 1fr);
  }

  .manual-product__visual {
    min-height: 6rem;
  }

  .manual-task-grid {
    grid-template-columns: 1fr;
  }

  .chapter-next {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .manual-page *,
  .manual-page *::before,
  .manual-page *::after,
  .manual-hub *,
  .manual-hub *::before,
  .manual-hub *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  body.manual-body,
  .manual-page {
    background: #fff;
    color: #111;
  }

  .site-header,
  .site-footer,
  .manual-toc,
  .manual-toc-mobile,
  .manual-hero__actions,
  .manual-progress,
  .chapter-next {
    display: none !important;
  }

  .manual-page {
    padding: 0;
  }

  .manual-hero,
  .manual-chapter,
  .manual-figure {
    background: #fff;
    box-shadow: none;
    color: #111;
  }

  .manual-chapter {
    break-inside: avoid;
  }
}