:root{--bg:#f3efe6;--bg-accent:#e7dfd0;--ink:#1c1915;--muted:#6f675c;--card:rgba(255,251,245,.86);--line:rgba(28,25,21,.08);--accent:#c45c26;--accent-soft:#f3d2bf;--danger:#b42318;--ok:#2f6f4e;--shadow:0 24px 60px rgba(60,42,24,.12);--radius:22px;--logo-invert:0;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark]{--bg:#121318;--bg-accent:#1b1d26;--ink:#f4efe6;--muted:#ada59a;--card:rgba(24,26,34,.88);--line:rgba(244,239,230,.08);--accent:#e39a6a;--accent-soft:rgba(227,154,106,.16);--danger:#ff7d73;--ok:#7dcea0;--shadow:0 24px 70px rgba(0,0,0,.35);--logo-invert:.86;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:radial-gradient(1200px 500px at 10% -10%, var(--bg-accent), transparent 55%), radial-gradient(900px 420px at 100% 0%, var(--accent-soft), transparent 50%), var(--bg);min-height:100%;color:var(--ink);margin:0;font-family:Outfit,Sora,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}html[lang^=zh]{font-family:Outfit,PingFang SC,Microsoft YaHei,Noto Sans SC,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}html[lang^=zh] body{font-family:Outfit,PingFang SC,Microsoft YaHei,Noto Sans SC,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}body{touch-action:manipulation;min-height:100dvh;overflow-x:hidden}#main{min-height:100dvh}#spinner{background:var(--bg);z-index:20;place-items:center;display:grid;position:fixed;inset:0}.spinner-card{background:var(--card);box-shadow:var(--shadow);border-radius:999px;align-items:center;gap:12px;padding:16px 20px;display:flex}.spinner-dot{border:2px solid 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rgba(196,92,38,.28)}h1{letter-spacing:-.04em;margin:0;font-size:clamp(1.4rem,4vw,1.8rem)}.brand-sub{letter-spacing:.08em;color:var(--muted);margin:2px 0 0;font-size:.78rem;font-weight:600}.lede,.play-file span,.status-line,.fine-print,.tips,.qr-hint{color:var(--muted)}.lede,.play-file span{margin:4px 0 0;font-size:.92rem}.topbar-actions{align-items:center;gap:8px;display:flex}.lang-switch{border:1px solid var(--line);background:var(--card);border-radius:999px;flex:none;align-items:stretch;display:inline-flex;overflow:hidden}.lang-switch button{appearance:none;color:var(--muted);min-width:44px;min-height:44px;font:inherit;cursor:pointer;background:0 0;border:0;padding:0 12px;font-weight:600}.lang-switch button+button{border-left:1px solid var(--line)}.lang-switch button.active{background:var(--accent);color:#fff}.icon-btn,.btn{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--ink);min-height:44px;font:inherit;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-weight:600;text-decoration:none;display:inline-flex}.icon-btn{width:auto;min-width:44px;padding:0 12px}.icon-btn img{display:block}.github-logo{opacity:.72;width:18px;height:18px;filter:invert(var(--logo-invert))}.btn-primary{background:var(--accent);color:#fff;border-color:transparent}.btn-danger{background:var(--danger);color:#fff;border-color:transparent}.btn-ghost,.btn-icon{background:0 0}.segmented{background:color-mix(in srgb, var(--card) 70%, transparent);border:1px solid var(--line);border-radius:18px;grid-template-columns:1fr 1fr;margin-bottom:16px;padding:5px;display:grid}.segment{min-height:44px;color:var(--muted);font:inherit;cursor:pointer;background:0 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