:root {
  color-scheme: light dark;
  --ground: oklch(0.987 0.003 255);
  --ink: oklch(0.22 0.015 260);
  --secondary: oklch(0.47 0.024 260);
  --caption: oklch(0.55 0.015 260);
  --line: oklch(0.9 0.009 260);
  --accent: oklch(0.51 0.225 265);
  --accent-soft: oklch(0.945 0.024 260);
  --showcase: oklch(0.95 0.014 255);
  --orbit: oklch(0.9 0.049 260);
  --surface: oklch(0.998 0.001 260);
  --button: oklch(0.235 0.02 260);
  --on-button: oklch(0.985 0.003 260);
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, "PingFang SC",
    "PingFang TC", "Hiragino Sans GB", sans-serif;
  background: var(--ground);
  color: var(--ink);
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; }
button { font: inherit; }
a { color: var(--accent); text-underline-offset: 0.25em; }
a:hover { text-decoration-thickness: 0.12em; }
a:focus-visible, summary:focus-visible, main:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 4px;
}
img { display: block; max-width: 100%; height: auto; }
p { text-wrap: pretty; }
h1, h2, h3 { font-weight: 600; text-wrap: balance; }
h1, h2 { letter-spacing: -0.045em; }
.page-shell {
  width: min(100% - 96px, 1160px); min-height: 100svh; margin-inline: auto;
  display: flex; flex-direction: column;
}
.skip-link {
  position: absolute; top: 12px; left: 16px; z-index: 10; padding: 12px 16px;
  background: var(--ground); transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding-block: 24px;
}
.brand {
  display: inline-flex; gap: 10px; align-items: center; min-height: 44px;
  font-size: 23px; font-weight: 600; letter-spacing: -0.045em;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.brand img { border-radius: 10px; }
.brand-chinese { margin-left: 10px; font-size: 14px; font-weight: 400; color: var(--secondary); letter-spacing: 0; }
.language-menu { position: relative; margin-left: 20px; font-size: 13px; }
.language-menu summary {
  min-height: 44px; display: flex; align-items: center; justify-content: flex-start;
  gap: 18px; cursor: pointer; list-style: none; color: var(--secondary);
}
.language-menu summary > span { line-height: 20px; }
.language-chevron {
  display: block; flex: none; fill: none; stroke: currentColor;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.language-menu summary::-webkit-details-marker { display: none; }
.language-links {
  position: absolute; right: 0; top: 48px; min-width: 140px; padding: 8px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 35px oklch(0.2 0.02 260 / 0.08); z-index: 5;
}
.language-links a {
  display: flex; align-items: center; min-height: 44px; padding-inline: 12px;
  color: var(--secondary); text-decoration: none;
}
.language-links [aria-current="true"] { color: var(--accent); font-weight: 600; }
main { flex: 1; min-width: 0; }
.hero {
  display: grid; grid-template-columns: 0.96fr 1.04fr; align-items: center;
  gap: 32px; padding-block: 30px 44px;
}
.hero-copy { padding-bottom: 32px; min-width: 0; }
.hero h1 { font-size: clamp(44px, 5.2vw, 72px); line-height: 1.23; margin: 0; }
.hero h1 span { color: var(--accent); }
.hero-intro { max-width: 29em; font-size: 17px; line-height: 1.95; color: var(--secondary); margin: 25px 0 0; }
.actions { margin-top: 30px; }
.store-button {
  display: inline-flex; align-items: center; min-height: 52px;
  border-radius: 10px; vertical-align: middle;
}
.store-button img { height: 52px; width: auto; }
.hero-visual { height: 638px; position: relative; margin: 0; min-width: 0; }
.visual-orbit {
  position: absolute; width: 94%; aspect-ratio: 1; background: var(--orbit);
  border-radius: 50%; left: 3%; top: 11%;
}
.visual-orbit::after { content: ""; position: absolute; inset: -28px; border: 1px solid var(--orbit); border-radius: 50%; }
.phone {
  position: absolute; display: block; padding: 6px; border-radius: 38px;
  background: oklch(0.98 0.003 260); border: 1px solid oklch(0.8 0.012 260);
  box-shadow: 0 28px 42px -18px oklch(0.28 0.04 260 / 0.28), inset 0 0 0 2px oklch(0.94 0.006 260);
  overflow: hidden;
}
.phone img { border-radius: 31px; width: 100%; }
.phone-front { width: 278px; left: 10%; top: 0; transform: rotate(-5deg); z-index: 2; }
.phone-back { width: 237px; right: 1%; top: 93px; transform: rotate(8deg); }
.hero-visual figcaption { position: absolute; bottom: 1px; left: 0; width: 100%; text-align: center; font-size: 12px; color: var(--caption); }
.asset-types {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 24px;
  list-style: none; margin: 0; padding: 26px 4px; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line); font-size: 14px; color: var(--secondary);
}
.asset-types li {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  min-width: 0; text-align: center; line-height: 1.5;
}
.asset-types svg {
  width: 32px; height: 32px; padding: 5px; border-radius: 9px;
  color: var(--secondary); background: var(--showcase); fill: none;
  stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.features-section { padding-block: 84px 96px; }
.section-heading h2 { font-size: clamp(29px, 3.1vw, 42px); line-height: 1.35; margin: 0; overflow-wrap: anywhere; }
.section-heading > p { color: var(--secondary); font-size: 16px; line-height: 1.8; margin: 16px 0 0; }
.features-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px; margin-top: 38px; }
.feature-number { display: flex; align-items: center; gap: 11px; color: var(--accent); font-size: 12px; font-variant-numeric: tabular-nums; }
.feature-number svg {
  width: 40px; height: 40px; padding: 9px; border-radius: 11px;
  background: var(--accent-soft); fill: none; stroke: currentColor;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.feature h3 { font-size: 21px; letter-spacing: -0.025em; margin: 14px 0 10px; }
.feature p { font-size: 14px; line-height: 1.95; color: var(--secondary); margin: 0; max-width: 30em; }
.screens-section { padding-block: 0 96px; }
.split-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.split-heading > p { max-width: 22em; margin-bottom: 5px; }
.screens-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; margin-top: 32px; align-items: start; }
.screen-item { margin: 0; min-width: 0; }
.screen-surface { background: var(--showcase); padding: 28px 38px 0; border-radius: 25px; height: 440px; overflow: hidden; }
.screen-review .screen-surface { background: var(--accent-soft); }
.screen-surface a { display: block; max-width: 300px; margin-inline: auto; border-radius: 24px 24px 0 0; overflow: hidden; }
.screen-surface img { width: 100%; border: 1px solid var(--line); box-shadow: 0 14px 35px oklch(0.2 0.02 260 / 0.06); }
.screen-holdings .screen-surface img { margin-top: -55%; }
.screen-review .screen-surface img { margin-top: -30%; }
html[lang="zh-Hant"] .screen-review .screen-surface img { margin-top: -38%; }
.screen-item figcaption { padding: 19px 3px 0; }
.screen-item h3 { font-size: 19px; margin: 0 0 7px; letter-spacing: -0.02em; }
.screen-item p { font-size: 13px; color: var(--secondary); line-height: 1.8; margin: 0; }
.screenshot-note { font-size: 12px; color: var(--secondary); line-height: 1.8; max-width: 75ch; margin: 31px 0 0; }
.local-section { display: grid; grid-template-columns: 0.48fr 1fr; gap: 40px; align-items: center; padding: 65px 70px; background: var(--accent-soft); border-radius: 30px; }
.local-mark { width: 136px; height: 136px; border: 1px solid var(--line); border-radius: 40px; display: grid; place-items: center; color: var(--accent); justify-self: center; transform: rotate(-6deg); }
.local-section h2 { font-size: clamp(27px, 3vw, 38px); line-height: 1.4; margin: 0 0 22px; }
.local-section p { max-width: 42em; font-size: 15px; line-height: 1.9; color: var(--secondary); margin: 0; }
.local-section .local-note { font-size: 12px; margin-top: 15px; }
.download-section { display: flex; flex-direction: column; align-items: center; text-align: center; padding-block: 105px 95px; }
.download-section > img { border-radius: 16px; margin-bottom: 22px; }
.download-section h2 { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.35; margin: 0; }
.download-section > p { color: var(--secondary); font-size: 15px; line-height: 1.8; margin: 15px 0 25px; }
.download-section .store-button { margin-top: 0; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 28px; border-top: 1px solid var(--line); color: var(--secondary); font-size: 12px; }
.footer-brand > span { font-size: 16px; color: var(--ink); font-weight: 500; letter-spacing: -0.03em; }
.footer-brand p { margin: 8px 0 0; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; color: var(--secondary); text-decoration: none; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }
.document { max-width: 65ch; margin-inline: auto; font-size: 16px; padding-block: 58px 84px; }
.document-heading { margin-bottom: 36px; }
.document h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1.15; margin: 0; }
.document-intro { color: var(--secondary); font-size: 17px; line-height: 1.7; margin: 16px 0 0; }
.policy-contents { display: flex; flex-wrap: wrap; gap: 4px 20px; margin: -12px 0 24px; }
.policy-contents a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
.prose { font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
.prose h2 { font-size: 20px; line-height: 1.5; font-weight: 600; letter-spacing: -0.015em; margin: 36px 0 12px; }
.prose p { margin: 0 0 16px; }
.privacy .prose > p:first-child { color: var(--secondary); font-size: 14px; }
.prose a { display: inline-block; min-height: 44px; padding-block: 3px; }
.support .prose a[href^="mailto:"] { font-size: 20px; font-weight: 500; }
::selection { background: var(--orbit); color: var(--ink); }
@media (prefers-color-scheme: dark) {
  :root {
    --ground: oklch(0.18 0.015 260); --ink: oklch(0.95 0.006 260);
    --secondary: oklch(0.75 0.02 260); --line: oklch(0.33 0.02 260);
    --caption: oklch(0.67 0.015 260);
    --accent: oklch(0.77 0.12 265); --accent-soft: oklch(0.25 0.028 260);
    --showcase: oklch(0.235 0.02 260); --orbit: oklch(0.32 0.075 260);
    --surface: oklch(0.235 0.02 260); --button: oklch(0.94 0.008 260);
    --on-button: oklch(0.2 0.015 260);
  }
}
@media (max-width: 1050px) {
  .page-shell { width: calc(100% - 64px); }
  .hero { gap: 12px; }
  .hero-visual { height: 570px; }
  .phone-front { width: 240px; left: 4%; top: 15px; }
  .phone-back { width: 201px; right: -1%; top: 100px; }
  .features-list { gap: 32px; }
  .screen-surface { height: 390px; padding: 24px 24px 0; }
  .local-section { padding: 50px 40px; }
}
@media (max-width: 760px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { gap: 0 12px; padding-block: 12px; flex-wrap: wrap; }
  .brand { font-size: 21px; }
  .brand img { width: 32px; height: 32px; }
  .brand-chinese { font-size: 12px; margin-left: 7px; }
  .language-menu { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 12px; padding-block: 20px 24px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(42px, 9vw, 60px); }
  html[lang="en"] .hero h1 { font-size: clamp(34px, 8.8vw, 60px); }
  .hero-intro { font-size: 15px; line-height: 1.8; margin-top: 16px; max-width: 32em; }
  .actions { margin-top: 20px; }
  .store-button, .store-button img { min-height: 48px; height: 48px; }
  .hero-visual { width: min(100%, 440px); height: 565px; justify-self: center; margin-top: 12px; }
  .phone-front { width: 232px; left: 7%; top: 0; }
  .phone-back { width: 197px; top: 66px; right: 3%; }
  .visual-orbit { top: 7%; }
  .hero-visual figcaption { bottom: 10px; font-size: 12px; }
  .asset-types {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 12px; padding-block: 22px; font-size: 12px;
  }
  .asset-types li { gap: 8px; }
  .asset-types svg { width: 30px; height: 30px; padding: 4px; }
  .features-section { padding-block: 58px; }
  .section-heading > p { font-size: 14px; }
  .features-list { grid-template-columns: 1fr; gap: 28px; margin-top: 33px; }
  .feature { display: block; }
  .feature-number { margin-bottom: 12px; }
  .feature-number svg { width: 36px; height: 36px; padding: 7px; }
  .feature h3 { font-size: 20px; margin: 0 0 10px; }
  .feature p { font-size: 14px; }
  .split-heading { display: block; }
  .split-heading > p { margin-top: 16px; max-width: 28em; }
  .screens-section { padding-bottom: 55px; }
  .screens-gallery { grid-template-columns: 1fr; gap: 30px; margin-top: 28px; }
  .screen-surface { height: 350px; padding: 24px 28px 0; border-radius: 22px; }
  .screen-surface a { max-width: 280px; }
  .screen-item figcaption { padding-top: 16px; }
  .screenshot-note { margin-top: 24px; }
  .local-section { grid-template-columns: 1fr; gap: 25px; padding: 32px 25px; border-radius: 23px; }
  .local-mark { justify-self: start; width: 76px; height: 76px; border-radius: 22px; }
  .local-mark svg { width: 40px; height: 47px; }
  .local-section h2 { font-size: 27px; margin-bottom: 16px; }
  .local-section p { font-size: 14px; }
  .download-section { padding-block: 64px 56px; }
  .download-section h2 { font-size: 29px; }
  .download-section > p { font-size: 13px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 17px; padding-block: 26px; }
  .footer-links { gap: 0 23px; }
  .document { padding-block: 32px 50px; }
}
@media (max-width: 370px) {
  .brand-chinese { display: none; }
  .hero-visual { height: 483px; }
  .phone-front { width: 202px; left: 1%; }
  .phone-back { width: 170px; right: 14px; top: 65px; }
  .screen-surface { padding-inline: 20px; height: 310px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: settle 650ms cubic-bezier(0.16, 1, 0.3, 1) both; }
  .hero-visual { animation: settle 850ms 80ms cubic-bezier(0.16, 1, 0.3, 1) both; }
  @keyframes settle { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; }
}