:root {
  --ink: #171511;
  --ink-soft: #4f4a40;
  --paper: #fffdf7;
  --paper-deep: #f8f1df;
  --line: rgba(23, 21, 17, 0.12);
  --brand: #f0b000;
  --brand-bright: #f0d050;
  --brand-deep: #a96f00;
  --green: #22c55e;
  --night: #23211d;
  --shadow: 0 24px 70px rgba(32, 28, 18, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Outfit, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 247, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(240, 176, 0, 0.24);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  min-height: 40px;
  padding: 8px 13px;
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: rgba(240, 176, 0, 0.14);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  white-space: nowrap;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-weight: 760;
  line-height: 1.2;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.btn:hover,
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(23, 21, 17, 0.18);
}

.nav-cta {
  min-width: 136px;
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn.gold {
  background: var(--brand);
  border-color: var(--brand);
  color: #171000;
}

.nav-cta svg,
.btn svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: 56px;
  padding: 48px 0 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.12);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(40px, 7vw, 86px);
  font-weight: 880;
}

h1 .subline {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 680;
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 840;
}

h3 {
  font-size: 20px;
  font-weight: 820;
}

.lead {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 680px;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.quick-facts div {
  padding: 17px;
  background: rgba(255, 253, 247, 0.9);
}

.quick-facts strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.quick-facts span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.phone-stage {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
}

.brand-orbit {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(240, 176, 0, 0.22);
  border-radius: 50%;
  transform: rotate(-8deg);
}

.phone {
  position: relative;
  width: min(350px, 82vw);
  aspect-ratio: 9 / 15;
  padding: 14px;
  border: 1px solid rgba(23, 21, 17, 0.18);
  border-radius: 34px;
  background: #15130f;
  box-shadow: var(--shadow);
}

.phone-screen {
  height: 100%;
  overflow: hidden;
  border-radius: 24px;
  background: #fffaf0;
}

.screen-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 14px;
}

.screen-top img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.screen-line {
  height: 12px;
  border-radius: 999px;
  background: rgba(23, 21, 17, 0.12);
}

.screen-line.short {
  width: 84px;
  margin-top: 7px;
  background: rgba(240, 176, 0, 0.4);
}

.comic-rack {
  padding: 10px 18px 18px;
}

.comic-rack img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.section {
  padding: 84px 0;
}

.section.alt {
  background: var(--paper-deep);
}

.wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-title img {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 9px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 58px;
  align-items: center;
}

.about-summary {
  max-width: 660px;
  padding-left: 26px;
  border-left: 6px solid var(--brand);
}

.about-summary .lead {
  max-width: 600px;
  margin-top: 20px;
}

.about-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.about-badges span {
  min-height: 74px;
  padding: 14px 16px;
  background: rgba(255, 253, 247, 0.9);
  color: var(--ink-soft);
  font-size: 14px;
}

.about-badges strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.1;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.78);
  box-shadow: 0 18px 44px rgba(23, 21, 17, 0.06);
}

.panel.pad {
  padding: 26px;
}

.feature-list {
  display: grid;
  gap: 0;
}

.feature-list.panel {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.feature-list.panel.pad {
  padding: 0;
}

.feature-list .feature-row {
  grid-template-columns: 38px 1fr;
  gap: 16px;
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.feature-list .feature-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.feature-list .iconbox {
  width: 38px;
  height: 38px;
  background: rgba(240, 176, 0, 0.16);
  color: var(--brand-deep);
}

.feature-list .iconbox svg {
  width: 20px;
  height: 20px;
}

.feature-row,
.version-row,
.download-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
}

.feature-row:first-child,
.version-row:first-child,
.download-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.iconbox {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(240, 176, 0, 0.17);
  color: var(--brand-deep);
}

.iconbox svg {
  width: 22px;
  height: 22px;
}

.feature-row p,
.version-row p,
.download-row p {
  margin: 7px 0 0;
  color: var(--ink-soft);
}

.visual-board {
  min-height: 430px;
  padding: 28px;
  display: grid;
  align-content: center;
  gap: 18px;
  background: #211f1a;
  color: #fff9e8;
}

.board-head {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: center;
}

.board-head img {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(240, 176, 0, 0.24);
}

.board-head > div {
  display: grid;
  gap: 10px;
}

.board-line {
  height: 14px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.18);
}

.board-line.gold {
  width: 64%;
  background: var(--brand-bright);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.board-tile {
  aspect-ratio: 0.74;
  border-radius: var(--radius);
  background: #fff4ca;
  overflow: hidden;
}

.board-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  margin-top: 28px;
  margin-left: 15px;
}

.time-item {
  position: relative;
  padding: 0 0 34px 32px;
}

.time-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 6px rgba(240, 176, 0, 0.16);
}

.time-item time {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 820;
}

.time-item p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.version-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.version-table th,
.version-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.version-table th:first-child,
.version-table td:first-child {
  width: 180px;
}

.version-table th:last-child,
.version-table td:last-child {
  width: 150px;
  text-align: center;
}

.version-table th {
  background: #211f1a;
  color: #fff9e8;
}

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

.version-name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 820;
  white-space: nowrap;
}

.version-name img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.version-table .btn {
  min-height: 38px;
  padding: 8px 12px;
}

.download-band {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 34px;
  border: 1px solid rgba(240, 176, 0, 0.32);
  border-radius: var(--radius);
  background: #fff6d7;
}

.download-band p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.article {
  max-width: 880px;
  margin: 0 auto;
}

.article p {
  color: var(--ink-soft);
}

.article .panel {
  margin: 28px 0;
}

.article ul {
  padding-left: 20px;
  color: var(--ink-soft);
}

.about-landing {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 360px;
  gap: 42px;
  align-items: start;
}

.about-copy {
  max-width: 720px;
}

.about-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 34px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.about-strip div {
  min-height: 140px;
  padding: 20px;
  background: #fffdf7;
}

.about-strip strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.about-strip span {
  display: block;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14px;
}

.reading-card {
  position: sticky;
  top: 98px;
  padding: 24px;
  border-radius: var(--radius);
  background: #211f1a;
  color: #fff7df;
  box-shadow: var(--shadow);
}

.reading-card img {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  margin-bottom: 22px;
}

.reading-step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.reading-step b {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--brand-bright);
  color: #171000;
  line-height: 1;
}

.reading-step p {
  margin: 4px 0 0;
  color: rgba(255, 247, 223, 0.72);
  font-size: 14px;
}

.note-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 30px;
}

.note-box {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.78);
}

.note-box p {
  margin-bottom: 0;
}

.version-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 38px;
  align-items: stretch;
}

.release-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.release-row {
  display: grid;
  grid-template-columns: 1fr;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border-top: 0;
  background: #fffdf7;
}

.release-row:nth-child(5) {
  grid-column: 1 / -1;
  grid-template-columns: 140px 1fr;
  align-items: start;
}

.release-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(240, 176, 0, 0.16);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 820;
}

.release-row h2 {
  font-size: clamp(18px, 1.35vw, 22px);
  line-height: 1.22;
}

.release-row p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.release-row .btn {
  margin-top: 12px;
  min-height: 38px;
  padding: 8px 12px;
}

.version-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.version-notes-copy {
  max-width: 760px;
}

.version-notes-copy p:not(.eyebrow) {
  color: var(--ink-soft);
}

.version-note-list {
  display: grid;
  gap: 14px;
}

.version-note-list article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffdf7;
}

.version-note-list span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand);
  color: #171000;
  font-weight: 840;
}

.version-note-list h3 {
  font-size: 20px;
}

.version-note-list p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.version-callout {
  display: grid;
  align-content: space-between;
  min-height: 100%;
  padding: 30px;
  border-radius: var(--radius);
  background: #211f1a;
  color: #fff7df;
}

.version-callout p {
  color: rgba(255, 247, 223, 0.76);
}

.version-callout .btn {
  width: fit-content;
}

.download-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 36px;
  align-items: start;
}

.apk-panel {
  padding: 30px;
  border-radius: var(--radius);
  background: #211f1a;
  color: #fff7df;
  box-shadow: var(--shadow);
}

.apk-panel p {
  color: rgba(255, 247, 223, 0.72);
}

.apk-panel .btn {
  width: 100%;
  margin-top: 0;
}

.download-preview {
  width: 100%;
  height: auto;
  margin-top: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: #fff7df;
}

.download-hero .install-board {
  margin-top: 34px;
}

.install-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffdf7;
}

.install-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--paper-deep);
}

.install-step strong {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: var(--radius);
  background: var(--brand);
  color: #171000;
}

.install-step p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.download-help {
  margin-top: 34px;
  padding: 28px;
  border-left: 4px solid var(--brand);
  background: rgba(240, 176, 0, 0.1);
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.seo-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 247, 0.82);
}

.seo-card p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.keyword-cloud a,
.keyword-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fffdf7;
  color: var(--ink-soft);
  font-size: 14px;
}

.keyword-cloud a:hover {
  color: var(--ink);
  border-color: rgba(240, 176, 0, 0.55);
  background: rgba(240, 176, 0, 0.12);
}

.reader-points {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.reader-points a {
  display: block;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.reader-points a:first-child {
  border-top: 0;
  padding-top: 0;
}

.reader-points a:hover {
  color: var(--brand-deep);
  padding-left: 8px;
}

.reader-points p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.reader-points span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 820;
}

.reader-points span::after {
  content: ">";
  font-size: 13px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffdf7;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 820;
}

.faq-list details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.link-hub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.link-hub a {
  padding: 22px;
  background: #fffdf7;
  transition: background 0.2s ease, transform 0.2s ease;
}

.link-hub a:hover {
  background: #fff6d7;
}

.link-hub span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.checkitem {
  padding: 18px;
  border-left: 3px solid var(--brand);
  background: #fffdf7;
  color: var(--ink-soft);
}

.checkitem strong {
  display: block;
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #171511;
  color: rgba(255, 253, 247, 0.78);
}

.footer-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fffdf7;
  font-weight: 820;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--brand-bright);
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  color: rgba(255, 253, 247, 0.58);
  font-size: 13px;
}

.can-reveal .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.can-reveal .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .nav {
    min-height: auto;
    padding: 12px 0;
    align-items: center;
  }

  .nav,
  .footer-inner,
  .download-band,
  .section-head,
  .split,
  .about-landing,
  .version-hero,
  .version-notes,
  .download-hero,
  .seo-grid,
  .link-hub,
  .version-note-list,
  .checklist {
    grid-template-columns: 1fr;
  }

  .reading-card {
    position: static;
  }

  .about-strip,
  .note-grid {
    grid-template-columns: 1fr;
  }

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

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

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .nav-links a {
    white-space: nowrap;
  }

  .nav-cta {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    min-width: 0;
    min-height: 40px;
    padding: 9px 14px;
    font-size: 14px;
  }

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 48px;
  }

  .hero-inner > .reveal:first-child {
    order: 2;
    text-align: center;
  }

  .hero-inner > .reveal:first-child .eyebrow,
  .hero-inner > .reveal:first-child h1,
  .hero-inner > .reveal:first-child .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .phone-stage {
    order: 1;
    min-height: 420px;
  }

  .version-callout,
  .section-head {
    align-items: start;
  }

  .section-head {
    flex-direction: column;
  }

  .version-callout .logo-title,
  .section-head .logo-title {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quick-facts {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 60px 0;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .nav-links {
    flex-wrap: wrap;
    overflow: visible;
  }

  .nav-links a {
    padding: 8px 10px;
    font-size: 13px;
  }

  .hero-actions .btn,
  .actions .btn {
    width: 100%;
  }

  .phone {
    width: min(300px, 86vw);
  }

  .board-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  .version-table,
  .version-table tbody,
  .version-table tr,
  .version-table td {
    display: block;
    width: 100%;
  }

  .version-table thead {
    display: none;
  }

  .version-table td {
    border-bottom: 0;
    padding: 12px 14px;
    text-align: left;
  }

  .version-table td:first-child,
  .version-table td:last-child {
    width: 100%;
    text-align: left;
  }

  .version-table tr {
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
  }

  .release-ledger {
    grid-template-columns: 1fr;
  }

  .release-row:nth-child(5) {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .release-row,
  .version-note-list article,
  .install-step {
    grid-template-columns: 1fr;
  }
}