:root{--bg:#ffffff;--ink:#1b1f24;--muted:#5b626b;--line:#e4e6ea;--panel:#fdf3e7;--card:#ffffff;--accent:#d9822b;--accent-ink:#8f4f0f;--link:#9a540f;--head-bg:#1b1f24;--head-ink:#f4f5f6;--hero-bg:#23282f;--hero-ink:#f4f5f6;--kicker:#f2b46d;--foot-bg:#f5f6f7;--display:'IBM Plex Sans', system-ui, sans-serif;--body:'IBM Plex Sans', system-ui, sans-serif;--r:6px}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--body);}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--accent-ink)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:9}
header.site{border-bottom:1px solid var(--line);background:var(--head-bg)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--head-ink);font:700 19px/1 var(--display);letter-spacing:-.01em}
.brand svg{flex:none}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:10px 0}
nav.main a{color:var(--head-ink);text-decoration:none;font-size:15px;opacity:.85;padding:6px 0;display:inline-block}
nav.main a[aria-current]{opacity:1;box-shadow:inset 0 -2px 0 var(--accent)}
nav.main a:hover{opacity:1}
.hero{background:var(--hero-bg);color:var(--hero-ink);padding:56px 0 44px;border-bottom:1px solid var(--line)}
.hero .kicker{font:600 13px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--kicker)}
.hero h1{font:700 clamp(30px,4.6vw,48px)/1.1 var(--display);letter-spacing:-.02em;margin:14px 0 16px;max-width:820px}
.hero p.lede{font-size:19px;max-width:760px;margin:0;opacity:.92}
.meta{font-size:14px;opacity:.75;margin-top:18px}
.crumbs{font-size:14px;margin:0 0 14px}.crumbs a{color:inherit}
main{padding:40px 0 64px}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
article h2{font:700 26px/1.25 var(--display);letter-spacing:-.01em;margin:44px 0 12px;scroll-margin-top:20px}
article h3{font:700 19px/1.3 var(--display);margin:28px 0 8px}
article p,article li{max-width:720px}
article ul,article ol{padding-left:22px}
article li{margin:6px 0}
.answer{background:var(--panel);border-left:4px solid var(--accent);padding:18px 22px;border-radius:0 var(--r) var(--r) 0;margin:0 0 28px}
.answer strong:first-child{display:block;font:700 13px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:8px}
.answer p{margin:0}
table{border-collapse:collapse;width:100%;margin:18px 0 8px;font-size:15.5px}
caption{text-align:left;font-weight:600;padding:0 0 8px;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:var(--panel);font-weight:600}
.tablewrap{overflow-x:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:20px 0}
.card{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;background:var(--card)}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;font-size:15.5px}
.card a.more{display:inline-block;margin-top:10px;font-weight:600;font-size:15px}
aside.side{font-size:15px}
aside.side .box{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:18px;background:var(--card);position:sticky;top:18px}
aside.side h2{font:700 15px/1.2 var(--body);letter-spacing:.06em;text-transform:uppercase;margin:0 0 10px;color:var(--muted)}
aside.side ol{margin:0;padding-left:18px}aside.side li{margin:6px 0}
details{border:1px solid var(--line);border-radius:var(--r);padding:0 18px;margin:10px 0;background:var(--card)}
summary{cursor:pointer;font-weight:600;padding:14px 0;min-height:44px}
details p{margin:0 0 14px}
.sources{font-size:15px}.sources li{word-break:break-word}
.note{font-size:15px;color:var(--muted)}
.tool{border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;background:var(--card);margin:20px 0}
.tool label{display:block;font-weight:600;margin:12px 0 6px}
.tool input,.tool select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;width:100%;max-width:320px;background:#fff;color:#111;min-height:44px}
.tool .row{display:flex;gap:10px;align-items:center;margin:8px 0}
.tool .row input[type=checkbox]{width:22px;height:22px;min-height:0;flex:none}
.tool output,.tool .result{display:block;margin-top:16px;padding:14px 16px;background:var(--panel);border-radius:8px;font-weight:600}
footer.site{border-top:1px solid var(--line);padding:32px 0 40px;font-size:14.5px;color:var(--muted);background:var(--foot-bg)}
footer.site .cols{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:inherit}
.hero .crumbs a{color:#f2d3ae}