:root { color-scheme:light; --bg:#fff; --soft:#f7f8f7; --line:#e6eae7; --text:#171d1a; --muted:#636f67; --accent:#57d4a3; font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { margin:0; min-width:0; color:var(--text); background:var(--bg); font-size:16px; line-height:1.7; }
a { color:inherit; text-underline-offset:4px; }
button,a { -webkit-tap-highlight-color:transparent; }
button { font:inherit; cursor:pointer; }
a:focus-visible,button:focus-visible { outline:3px solid #15734c; outline-offset:4px; }
img { display:block; max-width:100%; height:auto; }
h1,h2,h3,p { margin-top:0; }
h1 { margin-bottom:18px; font-size:clamp(38px,4.7vw,62px); line-height:1.24; letter-spacing:-.045em; font-weight:680; }
h2 { margin-bottom:18px; font-size:clamp(26px,3vw,38px); line-height:1.4; letter-spacing:-.035em; font-weight:650; }
h3 { margin-bottom:8px; font-size:20px; line-height:1.4; }
.skip-link { position:fixed; top:-100px; left:20px; z-index:100; padding:10px 18px; border-radius:12px; background:var(--text); color:#fff; }
.skip-link:focus { top:12px; }
.draft-bar { padding:7px 20px; background:var(--soft); color:var(--muted); text-align:center; font-size:12px; border-bottom:1px solid var(--line); }
.site-header { position:sticky; top:0; z-index:40; background:rgb(255 255 255 / 93%); backdrop-filter:blur(16px); border-bottom:1px solid var(--line); }
.header-inner,.page-shell,.footer-inner { width:min(1120px,calc(100% - 64px)); margin-inline:auto; }
.header-inner { min-height:76px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:inline-flex; align-items:center; gap:11px; text-decoration:none; font-size:24px; line-height:1; font-weight:730; letter-spacing:-.04em; }
.brand-mark { width:36px; height:36px; border-radius:10px; }
.site-nav { display:flex; align-items:center; gap:28px; }
.site-nav a { padding:9px 2px; color:var(--muted); font-size:14px; text-decoration:none; }
.site-nav a:hover,.site-nav a[aria-current="page"] { color:var(--text); }
.site-nav a[aria-current="page"] { box-shadow:0 2px var(--accent); }
.nav-toggle { display:none; width:44px; height:44px; border:1px solid var(--line); border-radius:12px; background:#fff; color:var(--text); }
.page-shell { padding-block:48px 88px; }
.home-page { padding-top:58px; }
.hero { text-align:center; }
.hero-actions,.button-row { display:flex; flex-wrap:wrap; align-items:center; gap:26px; }
.hero-actions { justify-content:center; }
.button-row { margin-top:24px; gap:12px; }
.button { min-height:46px; padding:10px 21px; display:inline-flex; justify-content:center; align-items:center; gap:18px; border:1px solid #d5ded8; border-radius:999px; background:#fff; color:var(--text); text-decoration:none; font-size:14px; font-weight:600; transition:background .15s; }
.button:hover { background:#f3f7f4; }
.button.primary { color:#153d2c; background:var(--accent); border-color:var(--accent); }
.button.primary:hover { background:#71ddb4; }
.text-link { display:inline-flex; align-items:center; gap:12px; text-decoration:none; font-size:14px; font-weight:550; }
.text-link:hover { text-decoration:underline; }
.campaign-poster { position:relative; display:block; margin:34px auto 0; width:100%; isolation:isolate; }
.campaign-poster > img { width:100%; }
figcaption { color:var(--muted); font-size:11px; text-align:right; margin-top:8px; }
.release-strip { display:flex; align-items:center; justify-content:space-between; gap:24px; padding:32px 36px; margin-top:72px; border-radius:22px; background:var(--soft); }
.release-strip h2 { margin-bottom:3px; font-size:26px; }
.release-strip p { margin:0; color:var(--muted); font-size:14px; }
.release-strip .button { flex-shrink:0; }
.eyebrow { margin-bottom:14px; font-size:11px; font-weight:650; text-transform:uppercase; letter-spacing:.15em; color:#367459; }
.standard-hero,.legal-hero { padding-block:24px 32px; max-width:880px; }
.standard-hero h1,.legal-hero h1 { font-size:clamp(34px,4vw,50px); }
.crumbs { margin-bottom:28px; color:var(--muted); font-size:13px; }
.crumbs a { text-decoration:none; }
.page-lead { margin:0; color:var(--muted); max-width:760px; font-size:17px; }
.card,.content-panel,.notice,.download-row,.support-row { border:1px solid var(--line); border-radius:22px; background:#fff; }
.card { padding:28px; }
.content-panel { padding:clamp(24px,4vw,38px); }
.content-panel h2 { font-size:27px; scroll-margin-top:105px; }
.card p,.content-panel p,.content-panel li { color:#536158; }
.content-panel p:last-child,.notice p:last-child { margin-bottom:0; }
.content-panel h3 { margin-top:28px; }
.content-panel ul,.content-panel ol { padding-left:22px; }
.content-panel li + li { margin-top:8px; }
.section { padding-top:64px; }
.card-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.boundary-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.content-layout { display:grid; grid-template-columns:210px minmax(0,1fr); align-items:start; gap:28px; }
.content-nav { position:sticky; top:105px; display:grid; gap:6px; }
.content-nav a { padding:8px 10px; font-size:14px; color:var(--muted); text-decoration:none; border-radius:8px; }
.content-nav a:hover { color:var(--text); background:var(--soft); }
[data-copy-language][hidden] { display:none !important; }
.content-stack { display:grid; gap:16px; }
.draft-notice,.notice { padding:18px 22px; border-radius:16px; }
.draft-notice { margin-top:28px; border:1px solid #e8dfc9; background:#fffcf4; color:#705b32; font-size:14px; }
.language-switch { display:flex; width:fit-content; gap:4px; margin:0 0 22px auto; padding:4px; border:1px solid var(--line); border-radius:12px; background:var(--soft); }
.language-switch button { min-height:36px; padding:5px 13px; border:0; border-radius:8px; background:transparent; color:var(--muted); font-size:14px; }
.language-switch button[data-active] { color:var(--text); background:#fff; box-shadow:0 1px 4px #0001; }
.download-list,.support-list { display:grid; gap:12px; }
.download-row,.support-row { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:center; gap:24px; min-height:105px; padding:24px; }
.download-row p,.support-row p { margin:0; color:var(--muted); font-size:14px; }
.download-row h3,.support-row h3 { margin-bottom:5px; }
.availability { padding:7px 12px; border:1px solid var(--line); border-radius:99px; color:var(--muted); background:var(--soft); font-size:12px; white-space:nowrap; }
.site-footer { border-top:1px solid var(--line); }
.footer-inner { padding-block:35px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:24px; color:var(--muted); font-size:12px; }
.footer-inner strong { color:var(--text); font-size:14px; }
.footer-links { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:8px 20px; }
.footer-links a { text-decoration:none; }
.footer-links a:hover { text-decoration:underline; }
.footer-note { grid-column:1 / -1; border-top:1px solid var(--line); padding-top:18px; }
code { padding:2px 5px; border-radius:5px; color:#2e6046; background:#f0f6f2; overflow-wrap:anywhere; }
@media (max-width:800px) {
  .content-layout { grid-template-columns:1fr; }
  .content-nav { position:static; display:flex; flex-wrap:wrap; }
  .footer-inner { grid-template-columns:1fr; }
  .footer-links { justify-content:flex-start; }
}
@media (max-width:600px) {
  .header-inner,.page-shell,.footer-inner { width:calc(100% - 36px); }
  .header-inner { min-height:66px; }
  .brand { font-size:22px; }
  .brand-mark { width:32px; height:32px; }
  .nav-toggle { display:inline-grid; place-items:center; }
  .site-nav { display:none; position:absolute; left:18px; right:18px; top:61px; padding:12px; border:1px solid var(--line); border-radius:16px; background:#fff; box-shadow:0 14px 32px #18392414; }
  .site-nav[data-open] { display:grid; gap:4px; }
  .site-nav a { padding:10px 12px; border-radius:8px; }
  .site-nav a[aria-current="page"] { box-shadow:none; background:#eff9f3; }
  .page-shell { padding-block:32px 54px; }
  .hero-actions { gap:20px; }
  .hero-actions .button,.hero-actions .text-link { font-size:13px; }
  .campaign-poster { margin-top:32px; }
  .release-strip { align-items:flex-start; flex-direction:column; margin-top:42px; padding:25px; gap:20px; }
  .download-row,.support-row { grid-template-columns:1fr; gap:14px; padding:22px; }
  .availability { width:fit-content; }
  .card-grid,.boundary-grid { grid-template-columns:1fr; }
  .content-panel h2 { font-size:24px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } .button { transition:none; } }