:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --paper-strong: #ffffff;
  --paper-muted: #efede6;
  --ink: #182b2a;
  --ink-soft: #55635f;
  --line: #d7cbb5;
  --jade: #0d5a52;
  --jade-dark: #0b403c;
  --gold: #b88839;
  --red: #a8342b;
  --white: #ffffff;
  --shadow-small: 0 10px 32px rgba(34, 42, 38, 0.08);
  --shadow-large: 0 28px 80px rgba(34, 42, 38, 0.14);
  --radius-small: 14px;
  --radius-medium: 24px;
  --radius-large: 38px;
  --shell: 1180px;
  --header-height: 78px;
  --serif: "Songti SC", "STSong", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  --theme-accent: var(--jade);
  --theme-deep: var(--jade-dark);
  --theme-soft: #dce8e3;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body[data-theme="paper"] {
  --theme-accent: #166b62;
  --theme-deep: #174b46;
  --theme-soft: #e6e0d2;
}

body[data-theme="jade"] {
  --theme-accent: #0d5a52;
  --theme-deep: #0b403c;
  --theme-soft: #dce8e3;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
  border-radius: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--sans);
  font-weight: 720;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 5.2vw, 4.7rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  line-height: 1.18;
}

h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.3;
}

p {
  text-wrap: pretty;
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(183, 166, 135, 0.48);
  background: rgba(245, 240, 229, 0.96);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto auto;
  align-items: center;
  gap: 24px;
}

.wordmark {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  text-decoration: none;
}

.wordmark-logo {
  width: 48px;
  height: 44px;
  object-fit: contain;
  flex: 0 0 auto;
}

.wordmark strong,
.wordmark small {
  display: block;
}

.wordmark strong {
  font-family: var(--sans);
  font-weight: 720;
  font-size: 1.08rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.wordmark small {
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 0.62rem;
  letter-spacing: 0.17em;
}

.primary-nav,
.language-switch {
  display: flex;
  align-items: center;
}

.primary-nav {
  gap: 24px;
}

.primary-nav a,
.language-switch a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.primary-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 600;
}

.primary-nav a[aria-current="page"] {
  color: var(--ink);
}

.primary-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 5px;
  left: 4px;
  height: 2px;
  background: var(--theme-accent);
}

.language-switch {
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-strong);
}

.language-switch a {
  min-width: 44px;
  min-height: 38px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.language-switch a[aria-current="page"] {
  background: var(--ink);
  color: var(--white);
}

.breadcrumbs {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.breadcrumbs a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.breadcrumb-separator {
  color: var(--gold);
}

.home-hero {
  min-height: min(760px, calc(100svh - var(--header-height)));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.78fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  padding-block: 64px 88px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--theme-accent);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.home-hero h1 {
  max-width: 720px;
  margin-bottom: 26px;
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.85;
}

.hero-actions,
.legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.button-primary,
.button-store {
  background: var(--theme-deep);
  color: var(--white);
  box-shadow: var(--shadow-small);
}

.button-primary:hover,
.button-store:hover {
  background: var(--theme-accent);
}

.button-secondary {
  border-color: var(--line);
  background: var(--paper-strong);
}

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

.button.is-disabled {
  cursor: not-allowed;
  border-color: var(--line);
  background: #d8d3c8;
  box-shadow: none;
  color: #6d6a63;
}

.platform-line {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

.hero-showcase {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(150px, 1fr);
  align-items: center;
  gap: 22px;
}

.hero-screen {
  margin: 0;
}

.hero-screen img {
  width: 100%;
  border-radius: 26px;
  box-shadow: var(--shadow-large);
}

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

.hero-app-list a {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.hero-app-list a:hover {
  border-color: var(--theme-accent);
}

.hero-app-list img {
  width: 58px;
  flex: 0 0 auto;
}

.hero-app-list strong,
.hero-app-list small {
  display: block;
}

.hero-app-list strong {
  font-size: 1rem;
  line-height: 1.35;
}

.hero-app-list small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.app-icon {
  aspect-ratio: 1;
  border-radius: 22%;
  object-fit: cover;
  box-shadow: 0 12px 34px rgba(39, 43, 35, 0.18);
}

.section {
  padding-block: clamp(76px, 10vw, 126px);
}

.section-quiet {
  border-block: 1px solid var(--line);
  background: var(--paper-muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-heading-wide {
  max-width: 880px;
}

.section-heading h2 {
  margin-bottom: 18px;
}

.section-heading .section-lead {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(1.12rem, 1.8vw, 1.28rem);
  font-weight: 720;
}

.section-heading > p:last-child {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 34px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: var(--paper-strong);
  box-shadow: var(--shadow-small);
}

.product-card-jade {
  border-top: 5px solid var(--jade);
}

.product-card-paper {
  border-top: 5px solid var(--gold);
}

.product-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.card-icon {
  width: clamp(78px, 10vw, 104px);
}

.status-pill {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid rgba(13, 90, 82, 0.24);
  border-radius: 999px;
  background: var(--theme-soft);
  color: var(--theme-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.product-card-copy {
  padding-top: 28px;
}

.card-meta {
  margin-bottom: 9px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.product-card h3 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.product-card-copy > p:last-child {
  color: var(--ink-soft);
}

.product-card-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.product-card-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.product-card-links .text-link {
  margin-right: auto;
  color: var(--theme-accent);
  font-weight: 800;
  text-decoration: none;
}

.principle-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.principle-grid article,
.feature-grid article {
  padding: 28px;
  border-top: 1px solid var(--gold);
}

.principle-index,
.feature-number {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.9rem;
}

.principle-grid p,
.feature-grid p {
  color: var(--ink-soft);
}

.platform-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  align-items: center;
  gap: clamp(44px, 8vw, 100px);
  padding-block: clamp(90px, 12vw, 150px);
}

.platform-copy p:last-child {
  max-width: 650px;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.culture-screens {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
}

.culture-screens figure {
  margin: 0;
}

.culture-screens figure:last-child {
  transform: translateY(36px);
}

.culture-screens img {
  width: 100%;
  border-radius: 22px;
  box-shadow: var(--shadow-small);
}

.disclaimer-line {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.product-subnav {
  width: 100%;
  display: flex;
  gap: 28px;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--line);
}

.product-subnav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: -1px;
  padding: 8px 0 11px;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
}

.product-subnav a[aria-current="page"] {
  border-bottom-color: var(--theme-accent);
  color: var(--theme-deep);
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  min-height: 680px;
  padding-block: 44px 88px;
}

.product-hero-no-media {
  grid-template-columns: minmax(0, 900px);
  justify-content: start;
  min-height: auto;
  padding-block: 44px 96px;
}

.product-identity {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 30px;
}

.product-icon {
  width: 92px;
}

.product-category {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 650;
}

.product-hero h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.35rem, 4.4vw, 4rem);
}

.product-tagline {
  max-width: 720px;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 650;
  line-height: 1.55;
}

.store-action {
  max-width: 470px;
  margin-top: 32px;
}

.store-action .button {
  width: 100%;
}

.store-action p {
  margin: 10px 4px 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.featured-screen {
  width: min(100%, 340px);
  margin: 0 auto;
  padding: 0;
}

.featured-screen img {
  width: 100%;
  border-radius: 26px;
  box-shadow: var(--shadow-large);
}

.facts-section {
  padding-top: 40px;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  border-block: 1px solid var(--line);
}

.facts-grid > div {
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}

.facts-grid > div:last-child {
  border-right: 0;
}

.facts-grid dt {
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.facts-grid dd {
  margin: 0;
  font-size: 1.04rem;
  font-weight: 650;
  line-height: 1.45;
}

.release-notice {
  display: grid;
  grid-template-columns: 120px minmax(180px, 0.36fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-top: 48px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.release-notice .notice-label {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.release-notice h3,
.release-notice p {
  margin-bottom: 0;
}

.release-notice > p:last-child {
  color: var(--ink-soft);
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.screen-gallery.screen-count-1 {
  max-width: 430px;
  grid-template-columns: 1fr;
  margin-inline: auto;
}

.screen-gallery.screen-count-2 {
  max-width: 950px;
  grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr);
  align-items: end;
  margin-inline: auto;
}

.screen-frame {
  margin: 0;
  padding: 0;
}

.screen-frame img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-small);
}

.screen-frame figcaption {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 8px 4px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  text-align: center;
}

.source-caption {
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-align: center;
}

.disclaimer-section {
  margin-bottom: clamp(86px, 12vw, 150px);
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  border-radius: var(--radius-medium);
  background: var(--paper-strong);
}

.disclaimer-section > p:nth-child(2) {
  max-width: 930px;
  font-family: var(--sans);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  font-weight: 560;
  line-height: 1.65;
}

.legal-links {
  margin-top: 28px;
}

.legal-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--theme-accent);
  font-weight: 800;
}

.legal-hero {
  padding-block: 36px 64px;
  border-bottom: 1px solid var(--line);
}

.legal-title-row {
  display: flex;
  align-items: center;
  gap: 24px;
}

.legal-icon {
  width: 84px;
}

.legal-title-row .eyebrow {
  margin-bottom: 8px;
}

.legal-title-row h1 {
  margin-bottom: 0;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
}

.meta {
  margin: 24px 0 0 108px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.legal-intro {
  max-width: 850px;
  margin: 28px 0 0 108px;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.legal-notice {
  max-width: 980px;
  margin: 30px 0 0 108px;
  padding: 20px 22px;
  border-left: 4px solid var(--gold);
  background: var(--paper-muted);
  color: var(--ink-soft);
}

.legal-content,
.support-content {
  max-width: 940px;
  padding-block: 64px 120px;
}

.legal-content section {
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}

.legal-content section:first-child {
  padding-top: 0;
}

.legal-content h2,
.support-content h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.legal-content p {
  max-width: 820px;
  color: var(--ink-soft);
}

.official-document-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block: 34px;
}

.official-document-links .button {
  width: auto;
}

.legal-end-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 44px;
}

.legal-end-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--theme-accent);
  font-weight: 800;
}

.faq-list {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

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

.faq-list summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 700;
}

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

.faq-list summary::after {
  content: "+";
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--theme-accent);
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 500;
}

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

.faq-list details p {
  max-width: 800px;
  padding: 0 56px 24px 0;
  color: var(--ink-soft);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.6fr);
  gap: 48px;
  margin-top: 74px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: var(--paper-strong);
}

.contact-panel dl {
  margin: 0;
}

.contact-panel dl > div {
  padding-block: 10px;
  border-bottom: 1px solid var(--line);
}

.contact-panel dl > div:last-child {
  border-bottom: 0;
}

.contact-panel dt {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.contact-panel dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.contact-panel dd a {
  color: var(--theme-accent);
  font-weight: 750;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: #e8e3d8;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: start;
  padding-block: 56px 42px;
}

.footer-brand {
  margin-bottom: 8px;
  color: var(--white);
  font-family: var(--sans);
  font-size: 1.4rem;
  font-weight: 700;
}

.footer-brand-lockup {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.footer-logo {
  width: 70px;
  height: 64px;
  flex: 0 0 auto;
  object-fit: contain;
}

.footer-grid p:last-child {
  margin: 0;
  color: #b9c2bd;
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 24px;
}

.footer-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #aeb9b4;
  font-size: 0.76rem;
}

.footer-legal {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.filing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filing-links a {
  color: inherit;
  text-underline-offset: 3px;
}

.filing-links a:hover {
  color: var(--white);
}

@media (max-width: 980px) {
  :root {
    --header-height: 126px;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
    gap: 6px 16px;
    padding-block: 8px;
  }

  .primary-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .primary-nav::-webkit-scrollbar {
    display: none;
  }

  .home-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-showcase {
    max-width: 620px;
    width: 100%;
    margin-inline: auto;
  }

  .product-hero {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.68fr);
    gap: 42px;
  }

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

  .facts-grid > div {
    border-bottom: 1px solid var(--line);
  }

  .facts-grid > div:nth-child(2n) {
    border-right: 0;
  }

  .facts-grid > div:last-child {
    grid-column: 1 / -1;
    border-bottom: 0;
  }

  .platform-section {
    grid-template-columns: 1fr;
  }

  .culture-screens {
    max-width: 560px;
    width: 100%;
    margin-inline: auto;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 118px;
    --radius-large: 28px;
  }

  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .wordmark-logo {
    width: 42px;
    height: 38px;
  }

  .wordmark strong {
    font-size: 0.94rem;
  }

  .wordmark small {
    display: none;
  }

  .language-switch a {
    min-width: 39px;
    padding-inline: 7px;
  }

  .primary-nav {
    gap: 20px;
  }

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

  .breadcrumbs {
    min-height: 50px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .home-hero {
    gap: 40px;
    padding-block: 50px 70px;
  }

  .home-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.5rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

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

  .hero-screen {
    width: min(78%, 310px);
    margin-inline: auto;
  }

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

  .section {
    padding-block: 76px;
  }

  .product-grid,
  .principle-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .principle-grid article,
  .feature-grid article {
    padding-inline: 4px;
  }

  .principle-index,
  .feature-number {
    margin-bottom: 22px;
  }

  .culture-screens {
    gap: 12px;
  }

  .product-subnav {
    width: 100%;
    overflow-x: auto;
  }

  .product-subnav a {
    flex: 1 0 auto;
    white-space: nowrap;
  }

  .product-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 24px 74px;
  }

  .product-identity {
    align-items: flex-start;
  }

  .product-icon {
    width: 90px;
  }

  .product-hero h1 {
    font-size: clamp(2.25rem, 10vw, 3.4rem);
  }

  .featured-screen {
    width: min(82%, 340px);
  }

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

  .facts-grid > div,
  .facts-grid > div:nth-child(2n) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .facts-grid > div:last-child {
    grid-column: auto;
  }

  .release-notice {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .screen-gallery {
    width: calc(100% + 14px);
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-padding-inline: 14px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .screen-gallery.screen-count-2 {
    max-width: none;
    display: flex;
    align-items: flex-start;
    margin-inline: 0;
  }

  .screen-frame {
    width: min(82vw, 360px);
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .screen-gallery.screen-count-1 {
    width: 100%;
    display: grid;
  }

  .screen-gallery.screen-count-1 .screen-frame {
    width: 100%;
  }

  .legal-title-row {
    align-items: flex-start;
  }

  .legal-icon {
    width: 68px;
  }

  .meta,
  .legal-intro,
  .legal-notice {
    margin-left: 0;
  }

  .legal-content,
  .support-content {
    padding-block: 48px 90px;
  }

  .faq-list details p {
    padding-right: 0;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .footer-brand-lockup {
    gap: 14px;
  }

  .footer-logo {
    width: 58px;
    height: 54px;
  }
}

@media (max-width: 390px) {
  .shell {
    width: min(calc(100% - 22px), var(--shell));
  }

  .header-inner {
    gap: 4px 8px;
  }

  .wordmark {
    gap: 8px;
  }

  .wordmark strong {
    font-size: 0.86rem;
  }

  .language-switch a {
    min-width: 36px;
    font-size: 0.7rem;
  }

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

  .product-card-top {
    gap: 14px;
  }

  .status-pill {
    padding-inline: 9px;
    font-size: 0.7rem;
  }

  .device-tablet {
    right: 0;
    width: 210px;
  }

  .product-identity {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .product-subnav,
  .breadcrumbs,
  .hero-actions,
  .store-action {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .shell {
    width: 100%;
  }

  .legal-content {
    max-width: none;
    padding: 0;
  }
}