:root{--fg:#1d2433;--muted:#5d6779;--bg:#f7f8fb;--card:#fff;--line:#e1e5ee;--accent:#ea580c;--warn:#c77800;--bad:#c62828;--ok:#2e7d32;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--fg:#e8ebf2;--muted:#9aa3b5;--bg:#11151d;--card:#1a1f2b;--line:#2b3242;--accent:#7aa2ff}}html[data-theme=light]{--fg:#1d2433;--muted:#5d6779;--bg:#f7f8fb;--card:#fff;--line:#e1e5ee;--accent:#ea580c;color-scheme:light}html[data-theme=dark]{--fg:#e8ebf2;--muted:#9aa3b5;--bg:#11151d;--card:#1a1f2b;--line:#2b3242;--accent:#7aa2ff;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg)}a{color:var(--accent)}.wrap{max-width:1100px;margin:0 auto;padding:0 16px}.site-header{background:var(--card);border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}.brand{font-weight:800;font-size:1.2rem;text-decoration:none;color:var(--fg)}.brand{flex-shrink:0}.site-header nav{display:flex;gap:14px;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;min-width:0;scrollbar-width:none;font-size:.95rem}.site-header nav::-webkit-scrollbar{display:none}@media(max-width:720px){.site-header .wrap{gap:12px}.site-header nav{gap:12px;font-size:.9rem;padding-right:14px;-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}}.site-header nav a{text-decoration:none;color:var(--muted)}h1{font-size:1.9rem;margin:20px 0 4px;line-height:1.2}.lede{color:var(--muted);margin:0 0 16px}.crumbs{font-size:.85rem;color:var(--muted);margin-top:14px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.toolbar,.top-bar,.tools{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:8px 0 16px}button,.primary{font:inherit;font-size:.88rem;padding:6px 10px;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:8px;cursor:pointer}button:hover{border-color:var(--accent)}button.primary,.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.danger:hover{border-color:var(--bad);color:var(--bad)}.muted{color:var(--muted)}.prose{max-width:760px;margin:24px 0}.prose h2{font-size:1.3rem;margin-top:28px}.faq details{border-bottom:1px solid var(--line);padding:8px 0}.faq summary{cursor:pointer;font-weight:600}.related{columns:2}.ad-slot{margin:20px 0;min-height:100px}.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 0;font-size:.9rem;background:var(--card)}.tool-links{display:flex;flex-wrap:wrap;gap:6px 16px}@media print{.site-header,.site-footer,.ad-slot{display:none!important}}[hidden]{display:none!important}.ps input[type=number],.ps select{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}.ps input[type=number]{width:5em}.ps .toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.ps-tabs{display:flex;gap:4px}.ps-tabs button[aria-selected=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.ps-grid{display:grid;grid-template-columns:minmax(240px,1fr) 2fr;gap:12px;margin-top:10px}@media(max-width:820px){.ps-grid{grid-template-columns:1fr}}.ps-l{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:0 0 10px;font-weight:600}.ps-l input[type=range]{flex:1;min-width:120px}#ps-face-ctl button,#ps-photo-ctl button{margin:0 6px 10px 0}.ps-key{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:.9rem}.ps-key span{display:inline-block;width:14px;height:14px;border:1px solid var(--line);border-radius:3px}.k0{background:#111}.k1{background:#f97316}.k2{background:#fff}.ps-out{display:flex;flex-direction:column;align-items:center}.ps-print-area{width:100%;max-width:520px;background:#fff;border-radius:8px;padding:8px;box-sizing:border-box}.ps-print-area svg,.ps-print-area canvas{width:100%;height:auto;display:block;image-rendering:pixelated}.ps-cut{fill:#111}.ps-outline{fill:#fed7aa;stroke:#ea580c;stroke-width:1.5;stroke-dasharray:4 3}@media print{.site-header,.site-footer,.prose,.lede,h1,.crumbs,.toolbar,.ps-grid>.panel:first-child,#ps-size,.tip-nudge,.faq,nav{display:none!important}body{background:#fff}.ps-grid{display:block}.panel{border:0!important;box-shadow:none!important}.ps-print-area{width:var(--print-w)!important;max-width:none;padding:0}.ps-outline{fill:none}}