:root{--ink:#18332d;--muted:#5e726c;--paper:#fbfdfb;--card:#fff;--line:#dce7e2;--accent:#1f6f5d;--accent2:#e9f6f0;--warn:#fff8e8}
*{box-sizing:border-box} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--accent)} header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.wrap{max-width:1120px;margin:auto;padding:0 22px}.nav{height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{font-weight:800;text-decoration:none;color:var(--ink);font-size:1.05rem}.navlinks{display:flex;gap:18px;flex-wrap:wrap}.navlinks a{text-decoration:none;color:var(--ink);font-size:.92rem}
.hero{padding:68px 0 34px;background:linear-gradient(180deg,#eef9f4 0,#fbfdfb 100%)} h1{font-size:clamp(2rem,4.6vw,4rem);line-height:1.05;letter-spacing:-.04em;margin:.2em 0}.dek{font-size:1.18rem;color:var(--muted);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 22px rgba(24,51,45,.04)}.card h3{margin-top:0}.section{padding:38px 0}.article{max-width:820px;margin:auto;padding:42px 22px}.article h2{margin-top:2.2em;font-size:1.6rem}.article h3{margin-top:1.6em}.article p,.article li{font-size:1.03rem}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:.78rem;color:var(--accent)}
.notice{background:var(--warn);border:1px solid #eedaa3;padding:16px 18px;border-radius:12px;margin:24px 0}.sourcebox{background:#f4f8f6;border:1px solid var(--line);padding:18px;border-radius:12px}.cta{background:var(--ink);color:#fff;border-radius:18px;padding:26px;margin:30px 0}.cta a{display:inline-block;background:#fff;color:var(--ink);padding:12px 17px;border-radius:10px;text-decoration:none;font-weight:800}.cta small{display:block;color:#dce7e2;margin-top:10px}
.breadcrumbs{font-size:.9rem;color:var(--muted);padding-top:18px}.breadcrumbs a{color:var(--muted)} footer{margin-top:55px;border-top:1px solid var(--line);background:#fff;padding:34px 0 50px;color:var(--muted);font-size:.92rem}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--accent2);font-size:.8rem;margin:3px 4px 3px 0}.byline{color:var(--muted);font-size:.94rem}.toc{border-left:3px solid var(--accent);padding-left:16px;margin:25px 0}.compare{width:100%;border-collapse:collapse;margin:20px 0}.compare th,.compare td{border:1px solid var(--line);padding:11px;text-align:left;vertical-align:top}.compare th{background:#f4f8f6}
@media(max-width:760px){.grid{grid-template-columns:1fr}.navlinks{display:none}.footergrid{grid-template-columns:1fr}.hero{padding-top:46px}.article{padding-top:24px}}