:root{--cobalt:#2347c5;--cobalt-d:#16307f;--coral:#f0604d;--paper:#f7f8fc;--ink:#14182b;--mut:#505673;--line:#d9ddee;--ins:#dff3e6;--insx:#176b3a;--del:#fde1dc;--delx:#a52f1f}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font:400 17px/1.75 'IBM Plex Sans',system-ui,sans-serif;background:var(--paper);color:var(--ink)}
.wrap{width:min(1180px,92%);margin-inline:auto}
a{color:var(--cobalt)}a:hover{color:var(--coral)}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
.top{background:var(--cobalt);color:#fff}
.top-in{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font:700 1.35rem 'Newsreader',Georgia,serif}
.dot{width:14px;height:14px;background:var(--coral);border-radius:50%;display:inline-block}
.meta{font-size:.92rem;opacity:.9}
.hero{background:#fff;border-bottom:1px solid var(--line);padding:clamp(2.5rem,6vw,5rem) 0}
.hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
h1,h2{font-family:'Newsreader',Georgia,serif;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.5rem);margin-bottom:1.2rem;color:var(--cobalt-d)}
.lead{font-size:1.18rem;color:var(--mut);max-width:56ch}
.diff{display:grid;gap:.8rem;font-size:.98rem}
.blk{border-radius:4px;padding:1rem 1.2rem;border-left:5px solid}
.blk p{line-height:1.5;padding:.15rem 0}
.side{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem}
.before{background:var(--del);border-color:var(--coral);color:var(--delx)}
.after{background:var(--ins);border-color:var(--insx);color:var(--insx)}
del{text-decoration-thickness:2px}ins{text-decoration:none;font-weight:600}
.layout{display:grid;grid-template-columns:260px 1fr;gap:clamp(2rem,5vw,4.5rem);padding:clamp(2.5rem,5vw,4.5rem) 0}
.toc{position:sticky;top:90px;align-self:start;display:grid;gap:.1rem;font-size:.97rem;border-left:2px solid var(--line);padding-left:1.1rem}
.toc b{font-family:'Newsreader',serif;font-size:1.15rem;margin-bottom:.5rem}
.toc a{text-decoration:none;color:var(--mut);padding:.3rem 0;transition:color .2s,padding .2s}
.toc a:hover{color:var(--cobalt);padding-left:.4rem}
.doc{max-width:760px}
.doc section{padding-bottom:2.4rem;margin-bottom:2.4rem;border-bottom:1px solid var(--line)}
.doc section:last-child{border:0;margin:0}
h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:1rem;color:var(--cobalt-d)}
.doc p{margin-bottom:1rem}
.doc ul{margin:0 0 1rem 1.3rem}.doc li{margin-bottom:.55rem;padding-left:.3rem}
.doc li::marker{color:var(--coral)}
.callout{background:#fff;border:1px solid var(--line);border-left:5px solid var(--cobalt);padding:1.1rem 1.3rem;border-radius:4px;font-weight:500}
address{font-style:normal;background:#fff;border:1px solid var(--line);padding:1.2rem 1.4rem;border-radius:4px;line-height:1.8}
.foot{background:var(--ink);color:#c3c8e0;padding:1.6rem 0;font-size:.9rem}
@media(max-width:900px){
 .hero-in,.layout{grid-template-columns:1fr}
 .toc{position:static;border:1px solid var(--line);background:#fff;padding:1.1rem 1.3rem;border-radius:4px;grid-template-columns:1fr 1fr;column-gap:1.5rem}
 .toc b{grid-column:1/-1}
}
@media(max-width:560px){body{font-size:16px}.toc{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}