:root{--ink:#18332d;--muted:#5e706b;--paper:#fbfdfb;--card:#fff;--line:#d9e7e1;--brand:#1f6b57;--soft:#e9f5ef;--gold:#b96f16;--dark:#102b25;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.68 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--brand);text-underline-offset:.14em}.wrap{max-width:var(--max);margin:auto;padding:0 22px}.topnote{background:var(--dark);color:#e7f3ee;text-align:center;font-size:.82rem;padding:7px 12px}
header{position:sticky;top:0;z-index:40;background:rgba(251,253,251,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{height:70px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:1.28rem;font-weight:900;text-decoration:none}.mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--brand);color:white}
nav{display:flex;gap:16px;margin-left:auto;align-items:center}nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:.92rem}.menu{display:none;margin-left:auto;border:0;background:none;font-size:1.5rem}
.cta{display:inline-block;border:0;border-radius:9px;padding:11px 15px;background:var(--brand);color:#fff!important;font-weight:850;text-decoration:none!important;box-shadow:0 4px 12px rgba(0,0,0,.08)}.cta.gold{background:var(--gold)}.cta.secondary{background:#fff;color:var(--brand)!important;border:1px solid var(--brand);box-shadow:none}
.hero{padding:68px 0 52px;background:linear-gradient(#eaf6f0,#fbfdfb)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--brand);font-size:.76rem;font-weight:900}
h1{font-size:clamp(2.4rem,6vw,4.55rem);line-height:1.03;letter-spacing:-.045em;margin:.2em 0}h2{letter-spacing:-.025em;line-height:1.18}.hero p,.dek{font-size:1.14rem;color:var(--muted)}
.card,.sidebar-card,.notice,.hero-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px;box-shadow:0 7px 25px rgba(20,50,43,.05)}.band{padding:52px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card h3{margin:.25em 0}.card p{color:var(--muted)}
.tag,.pill{display:inline-block;border-radius:999px;padding:4px 8px;background:var(--soft);color:var(--brand);font-size:.75rem;font-weight:850}
.content{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:42px;align-items:start;padding-top:34px;padding-bottom:60px}.breadcrumbs{font-size:.84rem;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}
article h1{font-size:clamp(2.35rem,6vw,3.8rem)}article h2{font-size:1.65rem;margin-top:2.15rem}article p{font-size:1.04rem}.byline{font-size:.85rem;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:25px}
.notice{background:#fff8ec;border-color:#ecd0a2;margin:22px 0}.notice strong{color:#74420b}.evidence{padding:16px 18px;border-left:4px solid var(--brand);background:#eef7f3;border-radius:8px;margin:24px 0}
.sidebar{position:sticky;top:96px;display:grid;gap:15px}.sidebar-card.product{background:#163d33;color:white;border-color:#163d33}.sidebar-card.product p,.sidebar-card.product .mini{color:#d9ebe5}.sidebar-card.product a:not(.cta){color:white}.sidebar .cta{display:block;text-align:center;margin-top:8px}
.related{display:grid;grid-template-columns:1fr 1fr;gap:12px}.related a{border:1px solid var(--line);border-radius:10px;padding:13px;text-decoration:none;font-weight:750;background:#fff}.sources li{margin:.45em 0}
footer{background:var(--dark);color:#d8e9e3;padding:42px 0 28px}footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}.footnote{border-top:1px solid #315149;margin-top:28px;padding-top:18px;font-size:.82rem;color:#abc9c0}
.mobile-aff{display:none}
@media(max-width:900px){nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:18px 22px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu{display:block}.header-cta{display:none}.hero-grid,.content,.grid,.footer-grid{grid-template-columns:1fr}.sidebar{position:static}.related{grid-template-columns:1fr}.mobile-aff{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;text-align:center}.mobile-aff .cta{width:100%;box-shadow:0 6px 22px rgba(0,0,0,.22)}body{padding-bottom:70px}}
@media(max-width:560px){.wrap{padding:0 16px}.hero{padding-top:42px}.hero h1,article h1{font-size:2.5rem}.topnote{font-size:.74rem}}