:root {
  color-scheme: light;
  --paper: #f5f1e8;
  --surface: #fffdfa;
  --ink: #203b30;
  --muted: #52665b;
  --green: #3a6b58;
  --sage: #e0e8d8;
  --line: #ced6c9;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
:lang(zh-Hant) { font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif; }
:lang(en) { font-family: "Noto Sans", Arial, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; font-size: 16px; line-height: 1.65; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 64px; }
h2 { font-size: 40px; }
h3 { font-size: 24px; line-height: 1.65; font-weight: 700; }
p { color: var(--muted); }
a { color: var(--green); text-decoration: none; }
button, select { font: inherit; color: var(--green); }
button, summary, select { cursor: pointer; }
button { background: none; border: 0; }
button, a, summary, select { -webkit-tap-highlight-color: transparent; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; border-radius: 4px; }
[hidden] { display: none !important; }
[data-view-lang] { display: none; }
html[lang="zh-Hans"] [data-view-lang="zh-Hans"],
html[lang="zh-Hant"] [data-view-lang="zh-Hant"],
html[lang="en"] [data-view-lang="en"] { display: block; }
.container { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 80px; scroll-margin-top: 24px; }
.surface { background: var(--surface); }
.sage { background: var(--sage); }
.stack { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; min-width: 0; }
.roomy { gap: 40px; }
.lead { font-size: 18px; line-height: 1.65; }
.eyebrow { color: var(--green); font-size: 14px; font-weight: 500; }
.small { font-size: 12px; }
.icon { display: block; flex: 0 0 24px; width: 24px; height: 24px; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; padding-block: 10px; font-weight: 500; font-size: 14px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 20px; padding: 12px 20px; background: var(--surface); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { background: var(--paper); position: relative; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: 20px; font-weight: 700; min-height: 44px; flex: 0 1 310px; white-space: nowrap; }
.brand img { display: block; width: 36px; height: 36px; }
.site-nav { display: flex; gap: 32px; flex: 0 1 390px; }
.site-nav a { display: flex; align-items: center; min-height: 48px; min-width: 80px; font-size: 14px; font-weight: 500; }
.language-select { border: 0; background: transparent; min-height: 48px; padding: 10px 24px 10px 0; font-size: 14px; font-weight: 500; max-width: 100%; }
.desktop-language { width: 136px; }
.menu-toggle, .mobile-menu { display: none; }
.hero { padding-block: 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0,536fr) minmax(0,600fr); gap: 64px; align-items: center; }
.hero-copy { display: flex; flex-direction: column; gap: 24px; align-items: flex-start; min-width: 0; }
.hero-visual { height: 600px; position: relative; min-width: 0; }
.scene-art { position: absolute; width: 86.6667%; aspect-ratio: 1; left: 8.3333%; top: 0; }
.scene-art img { display: block; width: 100%; height: auto; }
.found-card { position: absolute; top: 305px; left: 0; width: 328px; max-width: 100%; display: flex; flex-direction: column; gap: 12px; padding: 24px; border-radius: 24px; background: var(--surface); box-shadow: 0 12px 32px #1f3b2e14; }
.found-card > p:not(.eyebrow) { font-size: 14px; }
.found-card h3 { font-size: 24px; }
.tag { display: block; width: 240px; max-width: 100%; padding: 8px; background: var(--sage); color: var(--green); border-radius: 8px; font-size: 12px; }
.hero-visual figcaption { position: absolute; top: 555px; left: 26.6667%; font-size: 12px; color: var(--muted); }
.google-play-button { display: inline-flex; width: min(100%, 194px); height: auto; min-height: 0; align-items: center; justify-content: center; padding: 0; border: 0; border-radius: 8px; background: transparent; cursor: pointer; line-height: 0; transition: transform 160ms ease; }
.google-play-button img { display: block; width: 100%; height: auto; }
.google-play-button:hover { transform: translateY(-2px); }
.google-play-button:active { transform: translateY(1px) scale(.99); }
.steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; width: 100%; }
.step { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.step-number { font-size: 40px; font-weight: 500; line-height: 1.25; color: var(--green); }
.search-grid { display: grid; grid-template-columns: minmax(0,456fr) minmax(0,696fr); gap: 48px; align-items: center; }
.location-tree { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; color: var(--muted); }
.location-tree li { padding-left: calc(var(--depth) * 14px); }
.location-tree li:last-child { color: var(--green); font-weight: 700; }
.item-list { background: var(--surface); padding: 20px; border-radius: 24px; min-width: 0; }
.search-demo { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 12px; background: var(--paper); font-size: 14px; color: var(--muted); }
.item-row { display: flex; gap: 16px; padding-block: 20px; align-items: flex-start; }
.item-row + .item-row { border-top: 1px solid var(--line); }
.item-cover { padding: 12px; background: var(--paper); border-radius: 12px; flex: 0 0 48px; }
.item-row:nth-child(2) .item-cover { background: var(--sage); }
.item-row h3 { font-size: 18px; font-weight: 500; }
.item-row p { margin-top: 4px; font-size: 12px; }
.features { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; width: 100%; margin-top: 8px; }
.feature-card { display: flex; flex-direction: column; gap: 16px; padding: 24px; border-radius: 24px; min-width: 0; }
.feature-demo { background: var(--paper); padding: 16px; border-radius: 12px; display: flex; flex-direction: column; gap: 8px; width: 100%; }
.feature-demo strong { font-size: 16px; font-weight: 500; }
.feature-demo small { color: var(--muted); font-size: 12px; }
.feature-card:nth-child(2) .feature-demo { background: var(--sage); }
.trust-grid { display: grid; grid-template-columns: minmax(0,536fr) minmax(0,616fr); gap: 48px; align-items: start; }
.trust-cards { display: grid; gap: 20px; }
.trust-card { border-radius: 16px; padding: 24px; background: var(--surface); }
.trust-card h3 { font-size: 20px; margin-bottom: 12px; }
.faq-grid { display: grid; grid-template-columns: minmax(0,464fr) minmax(0,688fr); gap: 48px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; padding: 24px; background: var(--surface); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 500; font-size: 18px; list-style: none; min-height: 30px; }
summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: 16px; }
.faq-item[open] .icon { transform: rotate(45deg); }
.cta { color: #fff; background: var(--green); }
.cta p { color: #fff; }
.cta h2 { font-size: 48px; }
.site-footer { padding-block: 48px 40px; }
.footer-inner { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; gap: 32px; }
.footer-inner strong { font-size: 24px; }
.footer-inner p { font-size: 14px; margin-top: 16px; }
.footer-inner nav { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.footer-inner nav a { display: inline-flex; align-items: center; min-height: 48px; font-size: 14px; font-weight: 500; }
.legal-hero { display: flex; flex-direction: column; gap: 24px; padding-block: 64px; }
.legal-hero h1 { font-size: 48px; }
.legal-hero .policy-kicker, .legal-hero .terms-kicker { font-size: 14px; font-weight: 500; color: var(--green); }
hr { width: 100%; border: 0; height: 1px; background: var(--line); margin: 0; }
.legal-reading { padding-block: 40px; display: grid; grid-template-columns: 288px minmax(0,840px); gap: 48px; align-items: start; }
.toc { position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow-y: auto; }
.toc h2 { font-size: 16px; line-height: 1.65; color: var(--green); margin-bottom: 8px; }
.toc-links { display: flex; flex-direction: column; gap: 8px; }
.toc-links a { font-size: 14px; font-weight: 500; display: block; padding-block: 10px; min-height: 44px; }
.toc-links a[aria-current="location"] { font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.toc-toggle { display: none; }
.legal-body { font-size: 18px; color: var(--muted); min-width: 0; overflow-wrap: anywhere; }
.legal-body h2 { font-size: 24px; line-height: 1.65; color: var(--ink); margin: 0 0 16px; }
.legal-body p { margin-bottom: 16px; }
.legal-body section { margin-top: 40px; scroll-margin-top: 24px; }
.legal-body ul { padding-left: 1.4em; margin: 0 0 16px; }
.legal-body li { padding-left: .15em; margin-bottom: 8px; }
.legal-body a { text-decoration: underline; text-underline-offset: 3px; }
.mobile-copy { display: none; }
@media (min-width: 761px) and (max-width: 1199px) {
  h1 { font-size: clamp(40px,4.45vw,64px); }
  .hero-grid { gap: 32px; }
  .hero-visual { height: 500px; }
  .found-card { top: 240px; width: 300px; }
  .hero-visual figcaption { top: 470px; left: 0; }
  .site-nav { gap: 16px; flex-basis: auto; }
  .brand { flex-basis: auto; }
  .site-nav a { min-width: auto; }
  .desktop-language { width: auto; }
  .legal-reading { grid-template-columns: 230px minmax(0,1fr); gap: 32px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .header-inner { padding-block: 12px; }
  .brand { flex: 1; }
  .site-nav, .desktop-language { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: flex-end; gap: 8px; min-height: 44px; min-width: 44px; padding: 0; font-size: 14px; }
  .mobile-menu { display: block; position: absolute; left: 0; right: 0; top: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--surface); box-shadow: 0 12px 32px #1f3b2e14; }
  .mobile-menu nav { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
  .mobile-menu nav a { display: block; padding: 10px 0; min-height: 44px; }
  .mobile-menu label { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--line); padding-top: 16px; font-size: 14px; color: var(--muted); }
  .mobile-menu select { background: var(--paper); border-radius: 8px; padding-inline: 12px; width: 100%; }
  h1 { font-size: 40px; }
  h2 { font-size: 32px; }
  h3 { font-size: 24px; }
  .hero { padding-block: 24px; }
  .hero-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .hero-copy { width: 100%; }
  .hero-visual { width: 350px; max-width: 100%; height: 456px; margin-inline: auto; }
  :lang(en) .hero-visual { height: 479px; }
  .scene-art { width: calc(100% - 20px); left: 10px; }
  .found-card { top: 198px; width: 300px; }
  .hero-visual figcaption { top: 428px; left: 0; }
  :lang(en) .hero-visual figcaption { top: 451px; }
  .section { padding-block: 56px; }
  .steps, .search-grid, .features, .trust-grid, .faq-grid { grid-template-columns: minmax(0,1fr); }
  .steps { gap: 32px; }
  .search-grid, .trust-grid, .faq-grid { gap: 48px; }
  .features { gap: 24px; }
  .faq-item { padding: 20px; }
  .faq-item summary { font-size: 16px; min-height: 44px; }
  .cta h2 { font-size: 32px; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-inner nav { flex-direction: column; gap: 8px; }
  .legal-hero { padding-block: 40px; }
  .legal-hero h1 { font-size: 32px; }
  :lang(zh-Hant) .legal-view h1 { font-size: 28px; }
  .legal-reading { grid-template-columns: minmax(0,1fr); gap: 48px; }
  .legal-body { font-size: 16px; }
  .legal-body h2 { font-size: 24px; }
  .toc { position: static; max-height: none; overflow: visible; padding: 16px; background: var(--sage); border-radius: 16px; }
  .toc-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 44px; padding: 10px 0; text-align: left; font-size: 14px; }
  .toc-links { display: none; padding-top: 8px; }
  .toc-toggle[aria-expanded="true"] + .toc-links { display: flex; }
  .toc-toggle[aria-expanded="true"] span { transform: rotate(180deg); }
  .desktop-copy { display: none; }
  .mobile-copy { display: inline; }
}
@media (max-width: 359px) {
  h1 { font-size: 32px; }
  .legal-hero h1 { font-size: 28px; }
  .menu-toggle > span { display: none; }
  .found-card { top: 170px; padding: 20px; }
  .hero-visual { height: 438px; }
  .hero-visual figcaption { top: 410px; }
  .location-tree li { padding-left: calc(var(--depth) * 10px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
@media print {
  .site-header, .site-footer, .toc, .skip-link, .legal-hero > a { display: none !important; }
  .container { width: 100%; }
  .legal-reading { display: block; }
  .legal-body { font-size: 11pt; }
  .legal-hero { padding-block: 20px; }
}
