:root {
  color-scheme: dark;
  --page: #081321;
  --surface: #0f2238;
  --surface-strong: #142b45;
  --ink: #f7f9fc;
  --muted: #8fa3b9;
  --line: rgb(183 209 238 / 0.13);
  --line-strong: rgb(183 209 238 / 0.23);
  --brand: #86b9ff;
  --brand-strong: #4f96ff;
  --brand-soft: #142d4b;
  --green: #65d9bc;
  --green-soft: #133932;
  --amber: #e0ad62;
  --amber-soft: #3a2c1a;
  --red: #ef929d;
  --red-soft: #3f242b;
  --shadow: 0 24px 64px rgb(0 6 18 / 0.36);
  --radius: 8px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgb(77 118 158 / 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgb(77 118 158 / 0.035) 1px, transparent 1px),
    var(--page);
  background-size: 96px 96px;
  font-family: Inter, "Avenir Next", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 50;
  padding: 8px 12px;
  color: #f7fbff;
  background: #15365d;
  border-radius: 6px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  background: rgb(8 19 33 / 0.76);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(24px) saturate(135%);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
}

.header-inner,
.page-shell,
.footer-inner {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: var(--radius);
  box-shadow: 0 9px 24px rgb(36 117 235 / 0.32);
}

.brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: var(--brand);
}

.header-nav .nav-action {
  min-height: 38px;
  padding: 7px 13px;
  color: #f8fbff;
  background: #3f8cf5;
  box-shadow: 0 10px 24px rgb(47 126 234 / 0.22);
  border-radius: var(--radius);
}

.page-intro {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgb(18 46 77 / 0.92), rgb(8 19 33 / 0.72) 58%, rgb(8 19 33 / 0.94)),
    var(--page);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: 64px;
}

.intro-copy {
  max-width: 680px;
}

.context-label {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.24;
}

h1 {
  max-width: 700px;
  font-size: clamp(38px, 5vw, 58px);
}

.nowrap {
  white-space: nowrap;
}

.intro-lead {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgb(17 39 62 / 0.82);
  font-weight: 800;
}

.button:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.button.primary {
  color: #f8fbff;
  background: #3f8cf5;
  border-color: #3f8cf5;
  box-shadow: 0 12px 30px rgb(47 126 234 / 0.24);
}

.intro-visual {
  position: relative;
  min-width: 0;
}

.intro-visual::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  z-index: 0;
  border: 1px solid rgb(105 168 255 / 0.2);
  background: rgb(16 41 67 / 0.36);
  border-radius: var(--radius);
}

.intro-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: clamp(300px, 31vw, 410px);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 70% center;
  filter: brightness(1.01) saturate(1.01) contrast(1.03);
  background: var(--surface-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 58px;
  padding-top: 42px;
  padding-bottom: 80px;
}

.toc {
  position: sticky;
  top: calc(var(--header-height) + 22px);
  align-self: start;
}

.toc-title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.toc nav {
  display: grid;
  gap: 3px;
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
}

.toc a {
  padding: 7px 10px;
  color: var(--muted);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 650;
}

.toc a:hover {
  color: var(--brand);
  background: rgb(20 45 73 / 0.78);
}

.toc-note {
  margin-top: 22px;
  padding: 14px;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--radius);
  font-size: 13px;
}

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

.doc-section {
  padding: 8px 0 50px;
  border-bottom: 1px solid var(--line);
}

.doc-section + .doc-section {
  padding-top: 50px;
}

.doc-section:last-child {
  border-bottom: 0;
}

.doc-section h2 {
  max-width: 780px;
  font-size: clamp(27px, 3vw, 36px);
}

.section-lead {
  max-width: 760px;
  margin: 13px 0 0;
  color: var(--muted);
}

.doc-section h3 {
  margin-top: 30px;
  font-size: 21px;
}

.doc-section h4 {
  margin-top: 24px;
  font-size: 17px;
}

.doc-section p {
  margin: 12px 0 0;
}

.doc-section ul,
.doc-section ol {
  margin: 16px 0 0;
  padding-left: 22px;
}

.doc-section li + li {
  margin-top: 7px;
}

.quick-path {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.path-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: rgb(13 27 46 / 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.path-index {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--brand-strong);
  background: var(--brand-soft);
  border-radius: 6px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.path-item h3 {
  margin: 0;
  font-size: 17px;
}

.path-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.callout {
  margin-top: 22px;
  padding: 18px 20px;
  color: var(--ink);
  background: var(--brand-soft);
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.callout strong {
  display: block;
  margin-bottom: 4px;
}

.callout.warning {
  background: var(--amber-soft);
  border-left-color: var(--amber);
}

.callout.danger {
  background: var(--red-soft);
  border-left-color: var(--red);
}

.callout.success {
  background: var(--green-soft);
  border-left-color: var(--green);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 12px;
  margin-top: 24px;
}

.feature-item {
  padding: 20px;
  background: rgb(13 27 46 / 0.86);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.feature-item:nth-child(3n) {
  grid-column: span 2;
}

.feature-item h3 {
  margin: 0;
  font-size: 18px;
}

.feature-item p {
  color: var(--muted);
  font-size: 14px;
}

.manual-visual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: 14px;
  margin-top: 26px;
}

.manual-visual {
  margin: 0;
  padding: 8px;
  background: #0a1828;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.manual-visual-wide {
  grid-column: 1 / -1;
}

.manual-window {
  overflow: hidden;
  color: #dce8f5;
  background: #0b192b;
  border: 1px solid rgb(190 218 248 / 0.12);
  border-radius: 6px;
}

.manual-windowbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 16px;
  color: #f6f9fd;
  background: #102842;
  border-bottom: 1px solid rgb(190 218 248 / 0.1);
  font-size: 12px;
  font-weight: 800;
}

.manual-windowbar small {
  color: #78d8bc;
  font-size: 9px;
  font-weight: 700;
}

.manual-workspace {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  min-height: 400px;
}

.manual-sidebar {
  display: grid;
  align-content: start;
  gap: 5px;
  padding: 24px 12px;
  color: #7f96af;
  background: #0a1727;
  border-right: 1px solid rgb(190 218 248 / 0.08);
  font-size: 9px;
}

.manual-sidebar strong {
  margin: 0 8px 14px;
  color: #bfd1e5;
  font-size: 10px;
}

.manual-sidebar span {
  padding: 8px 10px;
  border-radius: 5px;
}

.manual-sidebar .active {
  color: #dbeaff;
  background: #15365a;
}

.manual-main {
  min-width: 0;
  padding: 24px;
}

.manual-title,
.resource-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.manual-title > div,
.resource-head > div {
  display: grid;
  gap: 2px;
}

.manual-title strong,
.resource-head strong {
  color: #ffffff;
  font-size: 15px;
}

.manual-title small,
.resource-head small {
  color: #829ab4;
  font-size: 9px;
}

.manual-title > span,
.resource-head > span {
  padding: 4px 7px;
  color: #8de0c8;
  background: rgb(72 184 153 / 0.12);
  border: 1px solid rgb(101 217 188 / 0.17);
  border-radius: 4px;
  font-size: 8px;
  font-weight: 800;
}

.manual-metrics {
  display: grid;
  grid-template-columns: 1.28fr repeat(3, 1fr);
  gap: 9px;
  margin-top: 20px;
}

.manual-metrics > div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 13px;
  background: #122842;
  border: 1px solid rgb(190 218 248 / 0.09);
  border-radius: 6px;
}

.manual-metrics .featured {
  background: #2f78dd;
  border-color: rgb(162 205 255 / 0.32);
}

.manual-metrics span,
.manual-metrics small {
  color: #8fa7c0;
  font-size: 8px;
}

.manual-metrics .featured span,
.manual-metrics .featured small {
  color: #d8e9ff;
}

.manual-metrics strong {
  color: #ffffff;
  font-size: 22px;
  line-height: 1.12;
}

.manual-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(170px, 0.55fr);
  gap: 10px;
  margin-top: 10px;
}

.manual-staff-table,
.manual-progress {
  min-width: 0;
  background: #10253d;
  border: 1px solid rgb(190 218 248 / 0.09);
  border-radius: 6px;
}

.table-title {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid rgb(190 218 248 / 0.08);
}

.table-title strong,
.manual-progress > strong {
  color: #f1f6fc;
  font-size: 10px;
}

.table-title span {
  color: #77adf7;
  font-size: 8px;
}

.staff-row {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) 92px 54px;
  align-items: center;
  min-height: 45px;
  padding: 0 14px;
  border-bottom: 1px solid rgb(190 218 248 / 0.07);
  font-size: 8px;
}

.staff-row:last-child {
  border-bottom: 0;
}

.staff-row span {
  display: flex;
  align-items: center;
  min-width: 0;
}

.staff-row i {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  margin-right: 7px;
  color: #dceaff;
  background: #205b99;
  border-radius: 5px;
  font-size: 7px;
  font-style: normal;
}

.staff-row b {
  color: #bccbdc;
  font-weight: 650;
}

.staff-row em {
  padding: 3px 5px;
  color: #85d9c0;
  background: rgb(62 179 148 / 0.11);
  border-radius: 4px;
  font-style: normal;
  text-align: center;
}

.staff-row .pending {
  color: #e8bd72;
  background: rgb(212 154 51 / 0.12);
}

.manual-progress {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 6px;
  padding: 18px;
  text-align: center;
}

.manual-progress small {
  color: #839ab3;
  font-size: 8px;
}

.progress-ring {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin: 6px 0;
  border-radius: 50%;
  background: conic-gradient(#4f96ff 0 78%, #1a385a 78% 100%);
}

.progress-ring::before {
  content: "";
  grid-area: 1 / 1;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: #10253d;
}

.progress-ring span {
  z-index: 1;
  grid-area: 1 / 1;
  color: #ffffff;
  font-size: 19px;
  font-weight: 850;
}

.manual-progress > b {
  color: #8cc0ff;
  font-size: 8px;
}

.manual-window-compact {
  min-height: 330px;
}

.compact-body {
  padding: 16px;
}

.compact-tabs {
  display: flex;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgb(190 218 248 / 0.08);
}

.compact-tabs span {
  padding: 5px 8px;
  color: #7f96af;
  border-radius: 4px;
  font-size: 8px;
}

.compact-tabs .active {
  color: #e9f3ff;
  background: #205a9a;
}

.compact-columns {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 9px;
  margin-top: 12px;
}

.target-list,
.message-card {
  display: grid;
  align-content: start;
  min-width: 0;
  padding: 12px;
  background: #10253d;
  border: 1px solid rgb(190 218 248 / 0.08);
  border-radius: 5px;
}

.target-list strong,
.message-card strong {
  color: #f2f7fc;
  font-size: 10px;
}

.target-list > small {
  margin-top: 2px;
  color: #7f96af;
  font-size: 7px;
}

.target-list > span {
  display: grid;
  grid-template-columns: 5px 1fr auto;
  gap: 5px;
  align-items: center;
  padding: 8px 0;
  color: #aebfd1;
  border-bottom: 1px solid rgb(190 218 248 / 0.06);
  font-size: 7px;
}

.target-list > span:last-child {
  border-bottom: 0;
}

.target-list i {
  width: 5px;
  height: 5px;
  background: #4f96ff;
  border-radius: 50%;
}

.message-card p {
  margin: 8px 0 11px;
  color: #aebed0;
  font-size: 8px;
  line-height: 1.65;
}

.message-link {
  display: grid;
  gap: 1px;
  padding: 9px;
  color: #b8cce1;
  background: #16304d;
  border-left: 2px solid #4f96ff;
  font-size: 7px;
}

.message-link b {
  color: #77adf7;
}

.compact-progress {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
  color: #8ea4bc;
  font-size: 8px;
}

.compact-progress > span {
  flex: 1;
  height: 5px;
  overflow: hidden;
  background: #183451;
  border-radius: 3px;
}

.compact-progress i {
  display: block;
  width: 75%;
  height: 100%;
  background: #4f96ff;
}

.manual-resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.manual-resource-grid article {
  display: grid;
  align-content: start;
  min-width: 0;
  overflow: hidden;
  background: #10253d;
  border: 1px solid rgb(190 218 248 / 0.08);
  border-radius: 5px;
}

.manual-resource-grid img {
  width: 100%;
  height: 104px;
  object-fit: cover;
}

.manual-resource-grid strong,
.manual-resource-grid small {
  margin: 8px 9px 0;
  color: #eef5fc;
  font-size: 8px;
}

.manual-resource-grid small {
  margin-top: 1px;
  margin-bottom: 9px;
  color: #7f96af;
  font-size: 7px;
}

.manual-copy-resource {
  padding: 10px;
}

.manual-copy-resource > span {
  width: max-content;
  padding: 3px 6px;
  color: #9ec8ff;
  background: rgb(47 126 234 / 0.14);
  border-radius: 4px;
  font-size: 7px;
}

.manual-copy-resource p {
  min-height: 62px;
  margin: 10px 0 4px;
  color: #b5c5d5;
  font-size: 7px;
  line-height: 1.6;
}

.manual-copy-resource strong,
.manual-copy-resource small {
  margin-inline: 0;
}

.manual-visual figcaption {
  padding: 9px 6px 2px;
  color: var(--muted);
  font-size: 13px;
}

.data-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td {
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--muted);
  background: var(--surface-strong);
  font-size: 13px;
}

td {
  font-size: 14px;
}

.status-label {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 5px;
  color: var(--brand-strong);
  background: var(--brand-soft);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status-label.ready {
  color: var(--green);
  background: var(--green-soft);
}

.status-label.blocked {
  color: var(--red);
  background: var(--red-soft);
}

.status-label.review {
  color: var(--amber);
  background: var(--amber-soft);
}

.faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 18px 38px 18px 0;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 16px;
  right: 6px;
  color: var(--brand);
  font-size: 22px;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-answer {
  max-width: 800px;
  padding: 0 36px 20px 0;
  color: var(--muted);
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.source-link {
  padding: 13px 14px;
  color: var(--brand-strong);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 750;
}

.source-link:hover {
  border-color: var(--brand);
}

.checklist-group {
  margin-top: 24px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.checklist-group h3 {
  margin: 0 0 12px;
}

.checklist {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  margin: 0;
  padding-left: 28px;
}

.checklist li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-radius: 4px;
  background: var(--page);
}

.site-footer {
  padding: 34px 0;
  color: var(--muted);
  background: #08111e;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

@media (max-width: 900px) {
  .intro-grid,
  .page-shell {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    gap: 36px;
  }

  .toc {
    position: static;
  }

  .toc nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: 0;
    padding-left: 0;
  }

  .toc-note {
    display: none;
  }

  .page-shell {
    gap: 34px;
  }
}

@media (max-width: 680px) {
  :root {
    --header-height: 62px;
  }

  .header-inner,
  .page-shell,
  .footer-inner {
    width: min(100% - 24px, 1220px);
  }

  .header-inner {
    gap: 12px;
  }

  .header-nav a:not(.nav-action) {
    display: none;
  }

  .brand-text {
    max-width: none;
    font-size: 14px;
  }

  .header-nav {
    flex: 0 0 auto;
  }

  .page-intro {
    padding: 38px 0 34px;
  }

  h1 {
    font-size: 38px;
    overflow-wrap: anywhere;
  }

  .intro-lead {
    font-size: 16px;
  }

  .intro-actions .button {
    flex: 1 1 150px;
    min-width: 0;
    padding-inline: 10px;
  }

  .intro-visual img {
    height: 260px;
  }

  .intro-visual::before { inset: 8px -7px -7px 8px; }

  .page-shell {
    padding-top: 26px;
    padding-bottom: 50px;
  }

  .toc nav,
  .quick-path,
  .feature-grid,
  .source-list,
  .manual-visual-grid {
    grid-template-columns: 1fr;
  }

  .manual-visual-wide {
    grid-column: auto;
  }

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

  .manual-sidebar {
    display: none;
  }

  .manual-main {
    padding: 16px;
  }

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

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

  .manual-progress {
    grid-template-columns: auto auto 1fr;
    justify-items: start;
    text-align: left;
  }

  .manual-progress .progress-ring {
    grid-row: 1 / 4;
    width: 72px;
    height: 72px;
    margin-right: 8px;
  }

  .manual-progress .progress-ring::before {
    width: 52px;
    height: 52px;
  }

  .progress-ring span {
    font-size: 15px;
  }

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

  .manual-copy-resource {
    grid-column: 1 / -1;
  }

  .feature-item:nth-child(3n) {
    grid-column: auto;
  }

  .doc-section {
    padding-bottom: 38px;
  }

  .doc-section + .doc-section {
    padding-top: 38px;
  }

  .path-item,
  .feature-item,
  .checklist-group {
    padding: 16px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  :root {
    color-scheme: light;
    --page: #f7f8f9;
    --surface: #fbfcfd;
    --surface-strong: #eef2f5;
    --ink: #142437;
    --muted: #526273;
    --line: #cfd8df;
  }

  .site-header,
  .toc,
  .intro-actions,
  .site-footer {
    display: none;
  }

  .page-intro {
    padding: 20px 0;
  }

  .page-shell,
  .header-inner,
  .footer-inner {
    width: 100%;
  }

  .page-shell {
    display: block;
    padding: 20px 0;
  }

  .doc-section,
  .checklist-group,
  .path-item {
    break-inside: avoid;
  }
}