:root {
  --paper: #f6f8f7;
  --surface: #ffffff;
  --surface-soft: #eef8f5;
  --ink: #151715;
  --muted: #626b66;
  --line: #dce5e1;
  --line-strong: #c5d5cf;
  --green: #0c9f6d;
  --teal: #079b92;
  --red: #df4d43;
  --yellow: #f0c742;
  --shadow: 0 18px 45px rgba(20, 28, 24, 0.09);
  --topbar-height: 64px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Inter",
    "PingFang SC",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body.app-booting .layout {
  visibility: hidden;
}

body.app-booting .top-meta {
  visibility: hidden;
}

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

button,
input {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 18px;
  height: var(--topbar-height);
  padding: 0 24px;
  color: #ffffff;
  background: #034c9c;
  border-bottom: 1px solid rgba(0, 45, 96, 0.5);
  box-shadow: 0 10px 28px rgba(3, 76, 156, 0.18);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 240px;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #034c9c;
  background: #ffffff;
  border-radius: 8px;
  font-weight: 800;
  overflow: hidden;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.22);
}

.brand-mark img:not([src]) {
  visibility: hidden;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small,
.top-meta,
.eyebrow {
  color: var(--muted);
}

.topbar .brand small,
.topbar .top-meta {
  color: rgba(255, 255, 255, 0.78);
}

.brand small {
  margin-top: 4px;
  font-size: 12px;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-links a,
.control-button,
.pager-link,
.overview-card,
.nav-doc,
.outline a {
  border-radius: 8px;
}

.top-links a {
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.82);
}

.top-links a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
}

.top-meta {
  margin-left: auto;
  font-size: 13px;
}

.star-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(0, 31, 61, 0.13);
}

.star-pill:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.42);
}

.star-icon {
  color: #e5b822;
  font-size: 18px;
  line-height: 1;
}

.star-pill strong {
  display: inline-grid;
  min-width: 42px;
  min-height: 26px;
  place-items: center;
  padding: 2px 8px;
  color: #0f1f2d;
  background: #ffffff;
  border-radius: 8px;
}

.icon-button {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.menu-button {
  display: none;
}

.menu-button span {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.close-button {
  display: none;
  font-size: 24px;
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 250px;
  min-height: calc(100vh - var(--topbar-height));
}

.sidebar,
.outline {
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  overflow: hidden;
  background: var(--surface);
}

.sidebar {
  border-right: 1px solid var(--line);
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 20px 12px;
}

.sidebar h2,
.overview-copy h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
}

.search-box {
  display: block;
  margin: 0 20px 12px;
}

.search-box span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.search-box input {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

.search-box input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(7, 155, 146, 0.14);
}

.catalog-status {
  margin: 0 20px 12px;
  color: var(--muted);
  font-size: 13px;
}

.nav-tree {
  height: calc(100vh - var(--topbar-height) - 154px);
  padding: 0 12px 24px;
  overflow: auto;
}

.nav-group {
  margin: 8px 0 16px;
}

.nav-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 8px 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.nav-group-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.nav-group-toggle:hover {
  color: var(--ink);
  background: var(--surface-soft);
}

.nav-group-count {
  color: var(--teal);
}

.nav-group-chevron {
  color: var(--muted);
  transition: transform 0.18s ease;
}

.nav-group-toggle[aria-expanded="true"] .nav-group-chevron {
  transform: rotate(90deg);
}

.nav-doc-list[hidden] {
  display: none;
}

.nav-doc {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  width: 100%;
  margin: 2px 0;
  padding: 9px 8px;
  color: var(--ink);
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.nav-doc:hover {
  background: var(--surface-soft);
}

.nav-doc.active {
  background: #e8f6ef;
  box-shadow: inset 3px 0 0 var(--green);
}

.doc-index {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.doc-title,
.doc-path {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-title {
  font-weight: 700;
}

.doc-path {
  color: var(--muted);
  font-size: 12px;
}

.reader {
  min-width: 0;
  padding: 26px 36px 56px;
}

.reader-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
  max-width: 980px;
  margin: 0 auto 18px;
}

.reader-title {
  min-width: 0;
}

.reader-title h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.18;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.reader-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.control-button {
  min-height: 38px;
  padding: 8px 12px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  cursor: pointer;
}

.control-button:hover {
  border-color: var(--line-strong);
  box-shadow: 0 8px 22px rgba(20, 28, 24, 0.08);
}

.catalog-overview {
  max-width: 980px;
  margin: 0 auto 24px;
  padding: 20px 0 6px;
}

.overview-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin-bottom: 16px;
}

.overview-copy p:last-child {
  margin: 0;
  color: var(--muted);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.overview-card {
  display: grid;
  gap: 10px;
  min-height: 156px;
  padding: 16px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 10px 26px rgba(20, 28, 24, 0.06);
  overflow-wrap: anywhere;
}

.overview-card:hover {
  border-color: var(--teal);
}

.overview-card strong {
  font-size: 18px;
  line-height: 1.3;
}

.overview-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.overview-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  color: var(--ink);
  background: #fff7cf;
  border: 1px solid rgba(240, 199, 66, 0.55);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.article {
  max-width: 980px;
  margin: 0 auto;
  padding: 34px 44px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow-wrap: anywhere;
}

.article > :first-child {
  margin-top: 0;
}

.article h1,
.article h2,
.article h3,
.article h4,
.article h5,
.article h6 {
  margin: 1.8em 0 0.7em;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.article h1 {
  font-size: 34px;
}

.article h2 {
  padding-top: 10px;
  font-size: 28px;
  border-top: 1px solid var(--line);
}

.article h3 {
  font-size: 22px;
}

.article h4 {
  font-size: 18px;
}

.article p,
.article li {
  color: #242824;
}

.article a {
  color: #087c72;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article a:hover {
  color: var(--red);
}

.article .disabled-link {
  color: var(--muted);
  cursor: not-allowed;
}

.article img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 18px auto;
  border-radius: 8px;
}

.article pre {
  max-width: 100%;
  overflow: auto;
  padding: 16px;
  color: #f8fbf7;
  background: #181c19;
  border-radius: 8px;
}

.article code {
  padding: 2px 5px;
  background: #eef3ef;
  border-radius: 6px;
  font-family:
    "JetBrains Mono",
    "SFMono-Regular",
    Consolas,
    monospace;
  font-size: 0.92em;
}

.article pre code {
  padding: 0;
  color: inherit;
  background: transparent;
  border-radius: 0;
}

.article .katex {
  font-size: 1.06em;
}

.article .katex-display {
  max-width: 100%;
  margin: 20px 0;
  padding: 6px 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.article .katex-display > .katex {
  white-space: nowrap;
}

.article blockquote {
  margin: 18px 0;
  padding: 12px 18px;
  color: var(--muted);
  background: var(--surface-soft);
  border-left: 4px solid var(--teal);
  border-radius: 0 8px 8px 0;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.article table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.article th,
.article td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  vertical-align: top;
}

.article th {
  background: var(--surface-soft);
  text-align: left;
}

.article hr {
  height: 1px;
  margin: 30px 0;
  background: var(--line);
  border: 0;
}

.pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 980px;
  margin: 18px auto 0;
}

.pager-link {
  display: block;
  min-height: 72px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.pager-link:empty {
  display: none;
}

.pager-link span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.pager-link strong {
  display: block;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.outline {
  border-left: 1px solid var(--line);
}

.outline-inner {
  height: 100%;
  padding: 24px 18px;
  overflow: auto;
}

.outline nav {
  display: grid;
  gap: 3px;
}

.outline a {
  display: block;
  padding: 6px 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.outline a:hover,
.outline a.active {
  color: var(--ink);
  background: var(--surface-soft);
}

.outline .level-3 {
  padding-left: 18px;
}

.outline .level-4,
.outline .level-5,
.outline .level-6 {
  padding-left: 28px;
}

.scrim {
  display: none;
}

.home-page {
  --hero-image: none;
  background: #f5f5f7;
}

body.home-mode .layout {
  display: block;
}

body.home-mode .sidebar,
body.home-mode .outline,
body.home-mode .reader-head,
body.home-mode .catalog-overview,
body.home-mode .article,
body.home-mode .pager {
  display: none;
}

body.home-mode .reader {
  padding: 0;
}

body.book-mode .home-page {
  display: none;
}

.home-hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - var(--topbar-height));
  place-items: center;
  overflow: hidden;
  color: #ffffff;
  background: #eef1f3;
}

.home-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
  filter: blur(24px);
  opacity: 0.36;
  transform: scale(1.12);
  animation: heroBackdrop 18s ease-in-out infinite alternate;
}

.home-hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 11%;
  content: "";
  background: linear-gradient(
    180deg,
    rgba(245, 245, 247, 0) 0%,
    rgba(245, 245, 247, 0.12) 32%,
    rgba(245, 245, 247, 0.54) 76%,
    #f5f5f7 100%
  );
  pointer-events: none;
}

.home-hero-image,
.home-hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.home-hero-image {
  object-fit: cover;
  object-position: center;
  opacity: 0.78;
  filter: saturate(1.08) contrast(1.04);
  animation: heroImageDrift 16s ease-in-out infinite alternate;
}

.home-hero-shade {
  background:
    radial-gradient(circle at 50% 42%, rgba(0, 113, 227, 0.18), rgba(0, 0, 0, 0) 34%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.34) 42%, rgba(0, 0, 0, 0.5) 76%, rgba(0, 0, 0, 0.38)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.52) 50%, rgba(0, 0, 0, 0.42));
  animation: heroShadeSweep 13s ease-in-out infinite alternate;
}

.home-hero-copy {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 36px));
  padding-top: 0;
  text-align: center;
  text-shadow: 0 3px 22px rgba(0, 0, 0, 0.32);
  transform: translateY(-118px);
}

.home-hero-copy::before {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: -1;
  width: min(760px, 90vw);
  height: 260px;
  content: "";
  background: radial-gradient(circle, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0) 70%);
  transform: translate(-50%, -50%);
}

.home-kicker {
  margin: 0 0 10px;
  color: inherit;
  font-size: 14px;
  font-weight: 800;
}

.home-hero h1 {
  margin: 0 auto;
  max-width: 880px;
  min-height: 2.08em;
  font-size: 76px;
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.home-hero h1 span {
  display: block;
}

.home-hero h1.is-typing span.is-active::after {
  display: inline-block;
  width: 4px;
  height: 0.82em;
  margin-left: 8px;
  background: #ffffff;
  border-radius: 2px;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.46);
  content: "";
  vertical-align: -0.08em;
  animation: typingCursor 0.8s steps(2, end) infinite;
}

.home-hero p:not(.home-kicker) {
  max-width: 720px;
  margin: 14px auto 0;
  font-size: 20px;
  line-height: 1.38;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.home-hero .home-actions {
  margin-top: 28px;
  transform: translateY(10px);
}

.home-button {
  display: inline-flex;
  min-height: 44px;
  min-width: 142px;
  align-items: center;
  justify-content: center;
  padding: 10px 26px;
  color: #0071e3;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #0071e3;
  border-radius: 8px;
  font-size: 19px;
  font-weight: 500;
  text-shadow: none;
}

.home-button.primary {
  color: #ffffff;
  background: #0071e3;
  border-color: #0071e3;
}

.home-button:hover {
  background: #0077ed;
  border-color: #0077ed;
  color: #ffffff;
}

.home-section-head h2,
.home-closing h2 {
  margin: 0;
  font-size: 54px;
  line-height: 1.08;
  letter-spacing: 0;
}

.home-demo-section {
  padding: 72px 0 84px;
  background: #ffffff;
  scroll-margin-top: var(--topbar-height);
}

.home-section-head {
  max-width: 1180px;
  margin: 0 auto 34px;
  padding: 0 24px;
  text-align: center;
}

.home-section-head .home-kicker,
.home-closing .home-kicker {
  color: var(--muted);
}

.home-section-head p:not(.home-kicker) {
  max-width: 760px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 19px;
}

.home-demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  max-width: 1440px;
  margin: 0 auto;
}

.home-demo-card {
  display: grid;
  min-height: 430px;
  align-content: start;
  gap: 24px;
  padding: 44px 28px 34px;
  color: var(--ink);
  background: #ffffff;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
  text-align: center;
}

.home-demo-card:hover strong {
  color: #0071e3;
}

.home-demo-media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f5f5f7;
  border-radius: 8px;
}

.home-demo-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-demo-copy strong,
.home-demo-copy span {
  display: block;
}

.home-demo-copy strong {
  color: #00806f;
  font-size: 24px;
  line-height: 1.2;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.home-demo-copy span {
  margin-top: 12px;
  font-size: 18px;
}

.home-path-section {
  background: #f5f5f7;
}

.home-module {
  display: grid;
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 72px 36px 82px;
  border-top: 1px solid #e5e7e8;
  scroll-margin-top: var(--topbar-height);
}

.home-module-copy {
  max-width: 860px;
}

.home-module-copy h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.12;
}

.home-module-copy h3 {
  max-width: 840px;
  margin: 18px 0 0;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: 0;
}

.home-module-copy p:not(.home-kicker) {
  max-width: 880px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.58;
}

.home-module-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.home-module-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 470px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid rgba(20, 28, 24, 0.05);
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(20, 28, 24, 0.05);
  overflow-wrap: anywhere;
  overflow: hidden;
}

.home-module-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 42px rgba(20, 28, 24, 0.09);
}

.home-module-media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #eef2f5;
}

.home-module-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: auto;
  transform: scale(1.01);
}

.home-module-card-body {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px 26px 28px;
}

.home-module-card small {
  color: #0071e3;
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
}

.home-module-card strong {
  display: block;
  font-size: 25px;
  line-height: 1.22;
}

.home-module-card-body span {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.52;
}

.home-module-card em {
  margin-top: 8px;
  color: #0071e3;
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
}

.home-closing {
  display: grid;
  min-height: 420px;
  place-items: center;
  align-content: center;
  gap: 20px;
  padding: 72px 24px;
  color: #ffffff;
  background: #0c0f0d;
  text-align: center;
}

@keyframes heroBackdrop {
  from {
    transform: scale(1.12) translate3d(-10px, -6px, 0);
  }

  to {
    transform: scale(1.18) translate3d(10px, 7px, 0);
  }
}

@keyframes heroImageDrift {
  from {
    opacity: 0.6;
  }

  to {
    opacity: 0.72;
  }
}

@keyframes heroShadeSweep {
  from {
    opacity: 0.92;
  }

  to {
    opacity: 1;
  }
}

@keyframes typingCursor {
  50% {
    opacity: 0;
  }
}

.loading,
.error-box {
  padding: 20px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.error-box {
  border-color: rgba(223, 77, 67, 0.4);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .outline {
    display: none;
  }

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

  .home-module-cards {
    grid-template-columns: 1fr;
  }

  .home-module-card {
    min-height: 420px;
  }
}

@media (max-width: 860px) {
  .topbar {
    gap: 10px;
    padding: 0 12px;
  }

  .menu-button,
  .close-button {
    display: inline-grid;
  }

  body.home-mode .menu-button {
    display: none;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .top-links,
  .top-meta {
    display: none;
  }

  .star-pill {
    margin-left: auto;
    gap: 6px;
    padding: 5px 8px;
    font-size: 13px;
  }

  .star-pill span:not(.star-icon) {
    display: none;
  }

  .layout {
    display: block;
  }

  .home-hero {
    min-height: 560px;
  }

  .home-hero-copy {
    width: min(100% - 28px, 540px);
    padding-top: 42px;
    transform: translateY(-34px);
  }

  .home-hero h1 {
    font-size: 48px;
  }

  .home-hero p:not(.home-kicker) {
    font-size: 18px;
  }

  .home-section-head h2,
  .home-closing h2 {
    font-size: 38px;
  }

  .home-actions {
    margin-top: 22px;
  }

  .home-demo-section {
    padding: 54px 0 62px;
  }

  .home-section-head {
    padding: 0 14px;
  }

  .home-demo-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-demo-card {
    min-height: 360px;
    padding: 32px 20px 28px;
  }

  .home-module {
    padding: 48px 14px 56px;
  }

  .home-module-copy h2 {
    font-size: 22px;
  }

  .home-module-copy h3 {
    font-size: 36px;
  }

  .home-module-copy p:not(.home-kicker) {
    font-size: 17px;
  }

  .home-module-cards {
    gap: 14px;
  }

  .home-module-card {
    min-height: 390px;
  }

  .home-module-card strong {
    font-size: 22px;
  }

  .home-module-card-body {
    padding: 20px;
  }

  .home-module-card-body span {
    font-size: 16px;
  }

  .home-closing {
    min-height: 360px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: min(86vw, 340px);
    height: 100vh;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .nav-tree {
    height: calc(100vh - 154px);
  }

  .scrim.open {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: block;
    background: rgba(15, 17, 15, 0.42);
  }

  .reader {
    width: 100%;
    max-width: 100vw;
    padding: 18px 14px 42px;
    overflow-x: hidden;
  }

  .reader-head {
    display: grid;
    gap: 14px;
    width: 100%;
    max-width: calc(100vw - 28px);
  }

  .reader-title h1 {
    font-size: 27px;
  }

  .reader-actions {
    justify-content: flex-start;
  }

  .catalog-overview,
  .article,
  .pager {
    width: 100%;
    max-width: calc(100vw - 28px);
  }

  .overview-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .overview-card,
  .overview-card * {
    min-width: 0;
  }

  .article {
    padding: 24px 18px;
  }

  .article h1 {
    font-size: 28px;
  }

  .article h2 {
    font-size: 23px;
  }

  .article pre {
    margin-right: -8px;
    margin-left: -8px;
  }

  .pager {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-hero::before,
  .home-hero-image,
  .home-hero-shade {
    animation: none;
  }
}