:root{--bg:#F6F8F7;--paper:#fff;--ink:#14202B;--muted:#4A5A68;--link:#1A55C9;--green:#1E7A4D;--hl:#FFE27A;--deep:#0F2B3D;--rule:#D5DDE0}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{font-family:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;line-height:1.2;color:var(--deep)}
h1{font-size:clamp(2rem,4.5vw,3.1rem);margin:.2em 0 .4em}h2{font-size:clamp(1.5rem,3vw,2rem);margin:1.6em 0 .5em}h3{font-size:1.25rem;margin:0 0 .3em}
a{color:var(--link)}a:hover{text-decoration-thickness:3px}
:focus-visible{outline:3px solid var(--link);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--deep);color:#fff;padding:.6em 1em;z-index:10}.skip:focus{left:8px;top:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.site-header{background:var(--paper);border-bottom:1px solid var(--rule)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--deep);text-decoration:none}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--deep);color:var(--hl);font-family:Georgia,serif}
.site-header ul,.site-footer ul{list-style:none;margin:0;padding:0;display:flex;gap:6px 20px;flex-wrap:wrap}
.site-header nav a{color:var(--ink);text-decoration:none;padding:6px 2px;border-bottom:3px solid transparent}
.site-header nav a:hover,.site-header nav a[aria-current]{border-bottom-color:var(--hl)}
.crumbs{max-width:1080px;margin:0 auto;padding:16px 24px 0;font-size:.9rem}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 10px;margin:0;padding:0;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:10px}
.prose{max-width:760px;padding-bottom:48px}.prose ul,.prose ol{padding-left:1.3em}.prose li{margin:.35em 0}
.lede{font-size:1.25rem;color:var(--muted)}
.byline{color:var(--muted);font-size:.95rem;margin:0 0 1.2em}
.answer{background:var(--paper);border-left:6px solid var(--hl);padding:16px 20px;border-radius:0 8px 8px 0}
.status{display:inline-block;background:var(--hl);color:var(--deep);padding:2px 10px;border-radius:6px;font-weight:600;font-size:.95rem}
.note{color:var(--muted);font-size:.95rem}
.btn{display:inline-block;background:var(--deep);color:#fff;text-decoration:none;padding:12px 22px;border-radius:8px;font-weight:600;border:2px solid var(--deep)}
.btn:hover{background:#1b3f57}.btn.ghost{background:transparent;color:var(--deep)}.btn.ghost:hover{background:var(--hl)}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.hero{background:var(--paper);border-bottom:1px solid var(--rule);padding:56px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.serp{background:var(--bg);border:1px solid var(--rule);border-radius:12px;padding:22px;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.4}
.serp p{margin:0}.serp .q{background:var(--paper);border:1px solid var(--rule);border-radius:999px;padding:10px 18px;margin-bottom:16px}
.serp .url{color:var(--green);font-size:.85rem}.serp .rt{color:var(--link);font-size:1.2rem;margin:2px 0 4px}.serp .sn{color:var(--muted)}
.serp mark{background:var(--hl);color:var(--ink);padding:0 2px}
.serp .paa{margin-top:16px;font-weight:700}.serp .pq{border-bottom:1px solid var(--rule);padding:8px 0}.serp .cap{margin-top:12px;font-size:.8rem;color:var(--muted)}
.block{padding-top:24px;padding-bottom:24px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.three>div{padding:0 24px;border-left:3px solid var(--hl)}.three>div+div{margin-left:0}
.postlist{list-style:none;padding:0}.postlist li{padding:18px 0;border-bottom:1px solid var(--rule)}.postlist h2{margin:0 0 .2em;font-size:1.5rem}.postlist p{margin:.2em 0 0;color:var(--muted)}
.postlist.compact li a{font-weight:600;font-size:1.15rem}
.band{background:var(--deep);color:#E9F0F4;padding:40px 0;margin-top:24px}.band h2{color:#fff;margin-top:0}.band a{color:var(--hl)}
.faq details{background:var(--paper);border:1px solid var(--rule);border-radius:8px;margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0}.faq p{margin:0 0 14px;color:var(--muted)}
.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;background:var(--paper)}th,td{border:1px solid var(--rule);padding:10px 12px;text-align:left;font-size:.95rem;vertical-align:top}thead th{background:var(--deep);color:#fff}
.related,.author{border-top:1px solid var(--rule);margin-top:32px}
.cta{text-align:left}
.site-footer{background:var(--paper);border-top:1px solid var(--rule);margin-top:40px;padding:32px 0;font-size:.95rem;color:var(--muted)}
.foot{display:grid;grid-template-columns:2fr 1fr;gap:16px 32px}.brand-foot{font-weight:700;color:var(--deep);margin:0}.copy{grid-column:1/-1;margin:0}
@media(max-width:800px){.hero-grid,.three,.foot{grid-template-columns:1fr}.three>div{margin-bottom:16px}body{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}