:root{--primary:#702573;--primary-dark:#501A52;--primary-light:#E3BEE4;--ink:#17253D;--link:#0067B8;--bg:#FEFEFE;--surface:#F6F1EE;--surface-alt:#F2F2F2;--border:#E2DAD5;--text:#17253D;--muted:#616161;--ok:#0F6C4D;--warn:#8A5A00;--gone:#A4262C;--maxw:1280px;--font:"Segoe UI Variable Text","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,sans-serif;--font-display:"Segoe UI Variable Display","Segoe UI Light","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:17px}a{color:var(--link);text-underline-offset:2px}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;color:var(--ink);margin:2em 0 .5em;font-weight:600;letter-spacing:-.01em}h1{font-size:2.6rem;font-weight:500;margin-top:0;letter-spacing:-.02em}h2{font-size:1.65rem;font-weight:500;padding-top:.5em;border-top:1px solid var(--border)}h3{font-size:1.18rem}p,li{max-width:74ch}code{background:var(--surface);padding:.1em .35em;border-radius:3px;font-size:.92em}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.masthead{background:#fff;color:var(--ink);border-bottom:1px solid var(--border)}.masthead__rule{height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%)}.masthead a{color:var(--ink);text-decoration:none}.masthead__bar{display:flex;flex-wrap:wrap;align-items:center;gap:18px 24px;padding:14px 20px;max-width:var(--maxw);margin:0 auto}.masthead__name{display:block;flex:0 0 auto;line-height:0}.masthead__name img{display:block;width:auto;height:44px;max-width:100%}.masthead__nav{display:flex;flex-wrap:wrap;gap:16px;font-size:.93rem;margin-left:auto;font-weight:500}.masthead__nav a:hover{color:var(--primary);text-decoration:underline}@media (max-width:720px){.masthead__name img{height:34px}.masthead__nav{margin-left:0;width:100%;gap:12px;font-size:.86rem}}.shell{display:grid;grid-template-columns:230px minmax(0,1fr) 210px;gap:40px;max-width:var(--maxw);margin:0 auto;padding:28px 20px 64px}@media (max-width:1080px){.shell{grid-template-columns:minmax(0,1fr);gap:24px}.sidenav,.toc{position:static;max-height:none}}.sidenav,.toc{font-size:.9rem;position:sticky;top:16px;align-self:start;max-height:calc(100vh - 32px);overflow-y:auto}.sidenav h2,.toc h2{font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border:0;margin:0 0 8px;padding:0}.sidenav ul,.toc ul{list-style:none;margin:0 0 18px;padding:0}.sidenav li,.toc li{margin:0 0 6px;max-width:none}.sidenav a,.toc a{text-decoration:none;color:var(--text)}.sidenav a:hover,.toc a:hover{text-decoration:underline}.sidenav a[aria-current=page]{font-weight:700;color:var(--primary);box-shadow:-12px 0 0 -10px var(--primary)}.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}.crumbs a{color:var(--muted)}.crumbs span{padding:0 6px}.stamp{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font-size:.83rem;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);border-radius:4px;padding:10px 14px;margin:0 0 26px}.stamp b{color:var(--text);font-weight:600}.answer{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:4px;padding:16px 18px;margin:0 0 24px}.answer p{margin:0;max-width:none;font-size:1.06rem}.answer__q{font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);display:block;margin-bottom:6px;font-weight:700}.pill{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:2px 8px;border-radius:99px;border:1px solid;white-space:nowrap}.pill--native{color:#065f46;border-color:#6ee7b7;background:#ecfdf5}.pill--compatible{color:#1d4ed8;border-color:#bfdbfe;background:#eff6ff}.pill--partner{color:#5b21b6;border-color:#ddd6fe;background:#f5f3ff}.pill--announced{color:var(--warn);border-color:#fcd34d;background:#fffbeb}.pill--none{color:var(--gone);border-color:#fecaca;background:#fef2f2}.pill--unknown{color:#475569;border-color:#cbd5e1;background:#f1f5f9}.tablewrap{overflow-x:auto;margin:22px 0;border:1px solid var(--border);border-radius:4px}table{border-collapse:collapse;width:100%;font-size:.92rem;background:#fff}caption{text-align:left;font-size:.85rem;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--border);background:var(--surface-alt)}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:top}th{background:var(--surface);font-weight:600;color:var(--ink);white-space:nowrap}tbody tr:last-child td{border-bottom:0}.callout{border:1px solid var(--border);border-left:4px solid var(--primary);background:var(--surface);padding:14px 16px;border-radius:4px;margin:22px 0}.callout--warn{border-left-color:var(--warn);background:#fdf6e3;border-color:#ebd9a8}.callout--stop{border-left-color:var(--gone);background:#fdf3f3;border-color:#f3cfd1}.callout p{margin:.4em 0}.callout strong{color:var(--primary-dark)}.sources{margin-top:48px;border-top:2px solid var(--border);padding-top:20px}.sources h2{border:0;margin-top:0;font-size:1.1rem}.sources ol{font-size:.87rem;color:var(--muted);padding-left:22px}.sources li{margin-bottom:7px;max-width:none}.sources a{word-break:break-word}.foot{background:var(--surface);border-top:1px solid var(--border);padding:20px 0;font-size:.86rem;color:var(--muted)}.foot p{max-width:none;margin:0 0 6px}.legal{font-size:.72rem;line-height:1.5;color:var(--muted);max-width:none;margin:0}.hubgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:26px 0}.hubcard{border:1px solid var(--border);border-radius:8px;padding:20px;background:var(--surface);transition:none}.hubcard h3{margin:0 0 6px}.hubcard p{margin:0;font-size:.92rem;color:var(--muted)}.hubcard a{text-decoration:none}.r2img{margin:0 0 28px;padding:0}.r2img img{display:block;width:100%;aspect-ratio:var(--ar,21/9);object-fit:cover;border-radius:8px;background:var(--surface-alt)}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:44px;align-items:center;padding:44px 0 8px}@media (max-width:900px){.hero{grid-template-columns:1fr;gap:24px;padding-top:26px}}.hero h1{font-size:3rem;margin-bottom:.35em}@media (max-width:900px){.hero h1{font-size:2.2rem}}.hero .r2img img{aspect-ratio:16/9}.hubcard__img{margin:-20px -20px 16px;border-radius:8px 8px 0 0;overflow:hidden}.hubcard__img img{display:block;width:100%;aspect-ratio:21/9;object-fit:cover}