:root{--ink:#18302b;--muted:#5d6f69;--bg:#f7faf8;--panel:#fff;--line:#dce8e2;--accent:#1d745e;--accent2:#eff8f4;--warm:#f8f2e8;--danger:#8c473d;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.68}
a{color:var(--accent);text-decoration-thickness:.08em;text-underline-offset:.14em}img{max-width:100%}
.topnote{background:#143c33;color:#eaf7f2;text-align:center;padding:.5rem 1rem;font-size:.88rem}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
.navbar{max-width:var(--max);margin:auto;display:flex;align-items:center;gap:1.2rem;padding:.8rem 1rem}.brand{display:flex;align-items:center;gap:.65rem;color:var(--ink);text-decoration:none;font-weight:850;font-size:1.28rem;white-space:nowrap}.mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent2);border:1px solid var(--line);font-weight:900;color:var(--accent)}
nav{display:flex;gap:1rem;align-items:center;margin-left:auto}nav a{color:var(--ink);text-decoration:none;font-size:.92rem;font-weight:650}.cta{display:inline-block;background:var(--accent);color:white!important;text-decoration:none!important;border-radius:999px;padding:.72rem 1rem;font-weight:800;box-shadow:0 5px 18px rgba(29,116,94,.18)}.cta:hover{filter:brightness(.94)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:.55rem .7rem;font-size:1rem}
.hero{max-width:var(--max);margin:auto;padding:4.6rem 1rem 3rem;display:grid;grid-template-columns:1.35fr .65fr;gap:2rem;align-items:center}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;font-weight:850;color:var(--accent)}h1{font-size:clamp(2.2rem,5vw,4.6rem);line-height:1.02;margin:.4rem 0 1rem;letter-spacing:-.045em}h2{font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.2;margin:2.3rem 0 .75rem;letter-spacing:-.025em}h3{line-height:1.25}.lede{font-size:1.16rem;color:#38534c;max-width:760px}.hero-card,.card,.sidebar-card,.notice,.sourcebox,.wave{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 30px rgba(20,60,51,.05)}
.hero-card{padding:1.4rem}.metric{display:flex;justify-content:space-between;padding:.7rem 0;border-bottom:1px solid var(--line)}.metric:last-child{border-bottom:0}
.wrap{max-width:var(--max);margin:auto;padding:0 1rem 4rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.card{padding:1.25rem}.card h3{margin:.2rem 0 .55rem}.pill{display:inline-block;padding:.25rem .55rem;border-radius:99px;background:var(--accent2);font-size:.75rem;font-weight:800;color:var(--accent)}
.article-shell{max-width:var(--max);margin:auto;padding:2.5rem 1rem 5rem;display:grid;grid-template-columns:minmax(0,760px) 320px;gap:2.4rem}.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:1.4rem}.article h1{font-size:clamp(2.25rem,4vw,3.6rem)}.meta{font-size:.88rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1rem}.article p{font-size:1.04rem}.article ul{padding-left:1.25rem}.article .cta-box{background:linear-gradient(135deg,#eff8f4,#f7fbf9);border:1px solid #cbe1d8;padding:1.35rem;border-radius:18px;margin:2rem 0}.cta-box strong{display:block;font-size:1.18rem;margin-bottom:.35rem}.fine{font-size:.78rem;color:var(--muted)}
.sidebar{position:relative}.sidebar-inner{position:sticky;top:92px;display:grid;gap:1rem}.sidebar-card{padding:1.15rem}.sidebar-card h3{margin-top:.1rem}.sidebar-card ul{padding-left:1.1rem;margin-bottom:.2rem}.notice{padding:1rem 1.15rem;background:var(--warm);border-color:#eadbc2}.sourcebox{padding:1.2rem;margin-top:2rem}.sourcebox li{margin:.55rem 0}
.wave{padding:1.35rem;margin:1rem 0}.wave h3{margin-top:0}.linklist{columns:2;column-gap:2rem}.linklist li{break-inside:avoid;margin:.4rem 0}
footer{background:#112c26;color:#dceae6;padding:3rem 1rem 5.5rem}.footer-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:2rem}footer a{color:#dceae6}.footer-title{font-weight:850;color:#fff}
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid var(--line);padding:.65rem;z-index:30}.mobile-cta .cta{display:block;text-align:center}
.comparison{width:100%;border-collapse:collapse;margin:1.2rem 0}.comparison th,.comparison td{border:1px solid var(--line);padding:.7rem;text-align:left;vertical-align:top}.comparison th{background:var(--accent2)}
@media(max-width:900px){.hero,.article-shell{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.sidebar-inner{position:static}.navbar nav{display:none;position:absolute;top:63px;left:0;right:0;background:white;padding:1rem;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.navbar nav.open{display:flex}.menu-btn{display:block}.navbar>.cta{display:none}.mobile-cta{display:block}}
@media(max-width:620px){.grid{grid-template-columns:1fr}.hero{padding-top:3rem}.linklist{columns:1}.footer-inner{grid-template-columns:1fr}h1{letter-spacing:-.03em}}