@charset "UTF-8";
:root {
  color-scheme: light dark;
  --bg: #f5f7f3;
  --surface: #fcfdf9;
  --ink: #203c2e;
  --muted: #68766c;
  --line: #d7dfd6;
  --accent: #2b6349;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #18251f; --surface: #213027; --ink: #e2eee5; --muted: #a9b9af; --line: #38483e; --accent: #a5d4ae; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, p, figure { margin: 0; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; }
a, button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
[data-copy="zh"] { display: none; }
html[lang="zh-CN"] [data-copy="en"] { display: none; }
html[lang="zh-CN"] [data-copy="zh"] { display: initial; }
.shell { width: min(660px, calc(100% - 68px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 12px; background: var(--surface); z-index: 2; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-top: 48px; }
.wordmark { display: flex; align-items: center; gap: 12px; font-size: 23px; font-weight: 650; letter-spacing: -.7px; }
.wordmark img { width: 44px; height: 44px; border-radius: 50%; }
nav { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 13px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; }
.hero { padding-block: 57px 47px; }
h1 { font-size: clamp(37px, 6.5vw, 54px); line-height: 1.3; font-weight: 650; letter-spacing: -1.6px; }
h2 { font-size: 21px; line-height: 1.5; font-weight: 600; letter-spacing: -.4px; }
.project { padding-top: 30px; border-top: 1px solid var(--line); }
.project + .project { margin-top: 34px; }
.project-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.project-title { display: flex; align-items: center; gap: 12px; }
.project-title h2 { font-size: 23px; }
.project-icon { width: 42px; height: 42px; }
.understated-link { font-size: 12px; color: var(--muted); }
.project-heading > a { min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; }
.project-description { margin-top: 15px; font-size: 14px; color: var(--muted); }
.project-image { margin-top: 26px; }
.project-image img { width: 100%; height: auto; }
.window-demo { margin-top: 26px; }
.demo-rail { overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x proximity; scroll-padding-inline: 6px; scrollbar-width: none; cursor: grab; }
.demo-rail::-webkit-scrollbar { display: none; }
.demo-shelf { position: relative; display: flex; gap: 20px; width: max-content; min-width: 100%; padding: 32px 6px 8px; }
.demo-shelf::before { content: ""; position: absolute; inset: 6px 0 auto; height: 1px; background: var(--muted); opacity: .65; }
.demo-window-card { position: relative; flex: 0 0 270px; width: 270px; min-width: 0; padding: 0; border: 0; background: transparent; color: var(--ink); text-align: left; border-radius: 5px; scroll-snap-align: start; cursor: inherit; user-select: none; }
.demo-window-card::before { content: ""; position: absolute; width: 1px; height: 26px; top: -26px; left: 50%; background: var(--muted); opacity: .65; }
.demo-rail.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.demo-navigation { display: flex; justify-content: flex-end; gap: 2px; margin-top: 4px; }
.demo-navigation button { border: 0; background: transparent; color: var(--muted); width: 44px; height: 44px; font-size: 19px; }
.demo-navigation button:hover:not(:disabled) { color: var(--ink); }
.demo-navigation button:disabled { opacity: .3; }
.demo-thumbnail { display: flex; align-items: center; aspect-ratio: 1.8; overflow: hidden; border-radius: 5px; background: #fff; }
.demo-thumbnail img { width: 100%; height: 100%; object-fit: contain; }
.demo-window-card:not(:disabled):hover .demo-thumbnail { box-shadow: 0 0 0 1px var(--accent); }
.demo-window-info { display: block; margin-top: 10px; }
.demo-window-info strong { display: block; font-size: 13px; font-weight: 500; }
.demo-window-location { display: block; color: var(--muted); margin-top: 2px; font-size: 11px; }
.demo-back { padding: 8px 0; margin-bottom: 12px; color: var(--ink); background: transparent; border: 0; min-height: 44px; font-size: 13px; }
.demo-destination-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 12px; font-size: 14px; }
.demo-destination-heading > span { color: var(--muted); font-size: 12px; }
.demo-destination-image { display: flex; align-items: center; justify-content: center; height: clamp(170px, 36vw, 330px); overflow: hidden; border-radius: 6px; background: #fff; }
.demo-destination-image img { width: 100%; height: 100%; object-fit: contain; }
.demo-arrival { margin-top: 12px; font-size: 12px; color: var(--muted); }
.demo-source { display: inline-block; font-size: 12px; color: var(--muted); margin-top: 8px; }
.support-section { margin-top: 49px; }
.support-note { color: var(--muted); font-size: 13px; margin-top: 7px; }
.support-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; max-width: 420px; margin-top: 23px; }
.payment-code { display: block; position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 9px; background: #fff; }
.payment-code img { position: absolute; max-width: none; height: auto; }
/* Crop only the presentation frame. The supplied payment images remain unchanged. */
.payment-wechat img { width: 188.2353%; left: -44.1176%; top: -23.2026%; }
.payment-alipay img { width: 148.7805%; left: -24.3902%; top: -78.8328%; }
figcaption { margin-top: 9px; font-size: 13px; text-align: center; }
.sponsors-link, .support-pending { grid-column: 1 / -1; font-size: 13px; }
.support-pending p { margin-block: 8px; color: var(--muted); }
.thanks-section { margin-top: 48px; }
.grove-illustration { width: 100%; height: auto; border-radius: 8px; margin-top: 15px; }
.thanks-section h2 { font-size: 20px; }
.empty-wall, .wall-caption { color: var(--muted); font-size: 13px; margin-top: 9px; }
.supporter-names { display: flex; flex-wrap: wrap; gap: 10px 21px; padding: 0; margin: 20px 0 0; list-style: none; color: var(--muted); }
.supporter { max-width: 100%; font-size: 14px; overflow-wrap: anywhere; }
.supporter a { display: inline-block; padding-block: 6px; }
.site-footer { display: flex; flex-direction: column; align-items: flex-end; padding-block: 12px 30px; }
.text-control { border: 0; background: none; color: var(--muted); font-size: 12px; min-width: 44px; min-height: 44px; }
nav .text-control { padding: 0; min-width: 30px; font: inherit; }
@media (max-width: 500px) {
  .shell { width: calc(100% - 44px); }
  .site-header { padding-top: 30px; gap: 12px; }
  .wordmark { font-size: 20px; gap: 8px; }
  .wordmark img { width: 36px; height: 36px; }
  nav { font-size: 11px; gap: 12px; }
  .hero { padding-block: 41px 35px; }
  h1 { font-size: 37px; letter-spacing: -1px; }
  .project-icon { width: 34px; height: 34px; }
  .project-title { gap: 8px; }
  .project-title h2 { font-size: 21px; }
  .project-heading > a { font-size: 11px; }
  .demo-shelf { gap: 18px; }
  .demo-window-card { flex-basis: 220px; width: 220px; }
  .support-section { margin-top: 35px; }
  .support-options { gap: 18px; }
}
@media (max-width: 380px) {
  .site-header { gap: 8px; }
  .wordmark { font-size: 18px; }
  .wordmark img { width: 32px; height: 32px; }
  nav { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }