:root{--bg:#f6f1e6;--bg2:#efe7d6;--surface:#fffdf8;--ink:#1f1c17;--muted:#6b6457;--faint:#8f8778;--line:#e3dac7;--accent:#1f5ccc;--accentSoft:#e4ecfb;--onAccent:#fff;--danger:#b3261e;--bandDanger:#ff8a80;--sheetA:#d9cbb0;--sheetB:#c7b796;--win:#fff;--winBar:#f3efe7;--winLine:#0000001a;--code:#2b2721;--gutter:#b6ad9c;--kw:#8a3fb5;--str:#2f7d3b;--chip:#111;--chipInk:#fff;--ph:#e4ecfb;--phInk:#1f5ccc;--field:#fff;--shadow:0 30px 80px #3c2d142e, 0 4px 14px #3c2d141a;--band:#1f1c17;--bandInk:#f6f1e6;--bandMuted:#b8ae9b;--kbd:#fff;--kbdLine:#d9cfbb;--tile:linear-gradient(160deg, #e4d9c3, #cdbd9c);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#151311;--bg2:#1c1916;--surface:#211e1a;--ink:#f2ede3;--muted:#a59c8b;--faint:#7d7567;--line:#332e27;--accent:#4d8dff;--accentSoft:#1d2a44;--onAccent:#0b1220;--danger:#ff8a80;--bandDanger:#b3261e;--sheetA:#3a342c;--sheetB:#4a4237;--win:#1e1c1a;--winBar:#2a2724;--winLine:#ffffff14;--code:#e8e2d6;--gutter:#5e574c;--kw:#d39bff;--str:#8fd19a;--chip:#f2ede3;--chipInk:#151311;--ph:#1d2a44;--phInk:#8fb6ff;--field:#1a1815;--shadow:0 30px 80px #0000008c, 0 4px 14px #0006;--band:#efe7d6;--bandInk:#1f1c17;--bandMuted:#6b6457;--kbd:#2a2622;--kbdLine:#3d372f;--tile:linear-gradient(160deg, #3a342c, #24201b);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#151311;--bg2:#1c1916;--surface:#211e1a;--ink:#f2ede3;--muted:#a59c8b;--faint:#7d7567;--line:#332e27;--accent:#4d8dff;--accentSoft:#1d2a44;--onAccent:#0b1220;--danger:#ff8a80;--bandDanger:#b3261e;--sheetA:#3a342c;--sheetB:#4a4237;--win:#1e1c1a;--winBar:#2a2724;--winLine:#ffffff14;--code:#e8e2d6;--gutter:#5e574c;--kw:#d39bff;--str:#8fd19a;--chip:#f2ede3;--chipInk:#151311;--ph:#1d2a44;--phInk:#8fb6ff;--field:#1a1815;--shadow:0 30px 80px #0000008c, 0 4px 14px #0006;--band:#efe7d6;--bandInk:#1f1c17;--bandMuted:#6b6457;--kbd:#2a2622;--kbdLine:#3d372f;--tile:linear-gradient(160deg, #3a342c, #24201b);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:17px;line-height:1.55}*,:before,:after{box-sizing:border-box}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}h1,h2,h3{margin:0;font-weight:500}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.serif{font-optical-sizing:auto;letter-spacing:-.015em;font-family:Fraunces,Iowan Old Style,Georgia,serif}.mono{font-family:JetBrains Mono,ui-monospace,SF Mono,Menlo,monospace}.wrap{width:min(1200px,100% - 32px);margin:0 auto}.h2{font-size:46px;line-height:1.08}.lead{color:var(--muted);font-size:19px;line-height:1.6}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px}.pill{border:1px solid var(--line);height:36px;color:var(--ink);background:0 0;border-radius:18px;align-items:center;gap:7px;padding:0 12px;font-size:14px;display:inline-flex}.btn{background:var(--accent);height:44px;color:var(--onAccent);white-space:nowrap;border:none;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-size:15px;font-weight:600;display:inline-flex}.on-dark,:root[data-theme=dark] .on-light{display:none}:root[data-theme=dark] .on-dark{display:block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .on-light{display:none}:root:not([data-theme=light]) .on-dark{display:block}}.link{color:var(--accent);align-items:center;gap:8px;font-weight:500;display:inline-flex}:lang(ar) .serif,:lang(ja) .serif,:lang(ko) .serif,:lang(zh) .serif{letter-spacing:0;font-family:Fraunces,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.3}:lang(ja) .serif{word-break:auto-phrase}[dir=rtl] .link svg{transform:scaleX(-1)}.code,.mono,.toggle{direction:ltr}kbd{background:var(--kbd);border:1px solid var(--kbdLine);color:var(--ink);white-space:nowrap;direction:ltr;unicode-bidi:isolate;border-bottom-width:2px;border-radius:6px;padding:1px 7px;font-family:Inter,sans-serif;font-size:.82em;font-weight:500}.win{background:var(--win);border:1px solid var(--winLine);box-shadow:var(--shadow);border-radius:14px;overflow:hidden}.wbar{background:var(--winBar);border-bottom:1px solid var(--winLine);height:40px;color:var(--muted);align-items:center;gap:8px;padding:0 14px;font-size:13px;display:flex}.tl{border-radius:6px;flex-shrink:0;width:12px;height:12px}.code{color:var(--code);white-space:nowrap;padding:16px 0;font-family:JetBrains Mono,ui-monospace,Menlo,monospace;font-size:14px;line-height:26px;overflow:hidden}.ln{display:flex}.ln i{text-align:right;width:44px;color:var(--gutter);flex-shrink:0;padding-right:16px;font-style:normal}.chip{background:var(--chip);width:7.4em;height:1.8em;color:var(--chipInk);letter-spacing:.08em;vertical-align:text-bottom;border-radius:.5em;justify-content:center;align-items:center;margin:0 1px;font:600 .72em/1 Inter,sans-serif;display:inline-flex}.phd,.phd2{background:var(--ph);color:var(--phInk);border-radius:5px;padding:1px 6px}.phd{outline:1.5px solid var(--accent)}.wfoot{border-top:1px solid var(--winLine);height:46px;color:var(--muted);align-items:center;gap:10px;padding:0 12px;font-size:13px;display:flex}.wfoot .pill{border-radius:7px;height:26px;padding:0 9px;font-size:12px}.split{background:var(--accent);height:28px;color:var(--onAccent);border-radius:7px;margin-inline-start:auto;font-size:13px;font-weight:600;display:flex;overflow:hidden}.split span{align-items:center;gap:6px;padding:0 12px;display:flex}.split span+span{border-inline-start:1px solid #ffffff4d;padding:0 8px}@media (width<=640px){body{font-size:16px}.h2{font-size:34px}.lead{font-size:17px}.card{padding:22px}}