:root{--ink:#102c3a;--muted:#5c7180;--sea:#087f8c;--deep:#075766;--sand:#f5f1e8;--foam:#f6fbfb;--line:#d9e6e8;--white:#fff;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);line-height:1.68;background:#fff}
a{color:var(--deep)}.wrap{width:min(var(--max),92%);margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.navbar{min-height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:9px;font-weight:850;color:var(--ink);text-decoration:none;font-size:1.18rem;white-space:nowrap}
.mark{width:34px;height:34px;border-radius:12px;background:var(--sea);display:grid;place-items:center;color:#fff;font-weight:900}.desktop-nav{display:flex;gap:17px;align-items:center;margin-left:auto}.desktop-nav a{text-decoration:none;font-weight:650;color:var(--ink);font-size:.93rem}
.header-cta,.btn{display:inline-block;background:var(--sea);color:#fff!important;text-decoration:none!important;font-weight:800;padding:11px 16px;border-radius:10px;border:0}.header-cta{white-space:nowrap}.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:9px 10px;font-size:1.15rem;cursor:pointer}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:10px 4% 16px}.mobile-menu.open{display:grid;gap:7px}.mobile-menu a{padding:9px 0;text-decoration:none;font-weight:700}
.hero{padding:72px 0;background:linear-gradient(180deg,var(--foam),#fff)}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:850;font-size:.76rem;color:var(--sea)}
h1,h2,h3,h4{line-height:1.14;letter-spacing:-.025em}h1{font-size:clamp(2.25rem,5vw,4.35rem);margin:.25em 0;max-width:900px}h2{font-size:clamp(1.55rem,3vw,2.2rem);margin-top:2.1em}h3{font-size:1.22rem}.lede{font-size:1.18rem;color:var(--muted);max-width:800px}
.band{padding:54px 0}.alt{background:var(--foam)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:17px;padding:23px;background:#fff}.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
.content-shell{width:min(var(--max),92%);margin:38px auto;display:grid;grid-template-columns:minmax(0,800px) 280px;gap:48px}.article{min-width:0}.article h1{font-size:clamp(2.25rem,5vw,3.7rem)}.meta,.small{color:var(--muted);font-size:.9rem}.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}
.sidebar{align-self:start;border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--foam)}.sidebar h3{margin-top:0}.sidebar .btn{width:100%;text-align:center}.sidebar ul{padding-left:19px}
.notice{background:var(--sand);border-radius:13px;padding:15px 17px;margin:20px 0;font-size:.94rem}.callout{border-left:4px solid var(--sea);padding:4px 0 4px 18px;margin:25px 0}.cta{background:var(--ink);color:#fff;border-radius:19px;padding:27px;margin:34px 0}.cta h2{margin:0 0 8px;color:#fff}.cta p{color:#d9e6e8}.cta .btn{background:#fff;color:var(--ink)!important}
table{border-collapse:collapse;width:100%;margin:23px 0;font-size:.94rem}th,td{border:1px solid var(--line);padding:11px;text-align:left;vertical-align:top}th{background:var(--foam)}
footer{background:var(--ink);color:#dbe7ea;padding:45px 0;margin-top:60px}footer a{color:#fff}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.sitemap-list{columns:2;column-gap:40px}.sitemap-list li{break-inside:avoid;margin:7px 0}
@media(max-width:860px){.desktop-nav{display:none}.navbar{gap:10px}.header-cta{margin-left:auto;padding:9px 12px;font-size:.86rem}.menu-btn{display:block}.brand{font-size:1.03rem}.mark{width:31px;height:31px}.content-shell{grid-template-columns:1fr;gap:24px}.sidebar{order:2}.grid,.grid2,.footergrid{grid-template-columns:1fr}.hero{padding:48px 0}.sitemap-list{columns:1}}
@media(max-width:430px){.brand .brand-text{display:none}.navbar{min-height:64px}}

.toc{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff;margin:24px 0}.toc strong{display:block;margin-bottom:7px}.toc a{margin-right:12px}
.verdict{background:var(--foam);border:1px solid var(--line);border-radius:16px;padding:20px;margin:24px 0}.checklist li{margin:.45em 0}