:root{--bg:#f7faf9;--ink:#12312b;--muted:#5b716b;--brand:#1f9d78;--brand-dark:#157a5d;--card:#fff;--line:#e2ece8;--accent:#eaf7f1}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:var(--brand-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1040px;margin:0 auto;padding:0 20px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;font-size:20px;color:var(--ink)}.brand:hover{text-decoration:none}.brand-mark{color:var(--brand)}.nav a{margin-left:20px;color:var(--muted);font-weight:600;font-size:15px}.hero{background:linear-gradient(180deg,var(--accent),#fff);padding:72px 0 56px;text-align:center;border-bottom:1px solid var(--line)}.hero h1{font-size:42px;line-height:1.15;margin:0 0 14px;letter-spacing:-.5px}.hero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 28px}.pill-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:600;color:var(--brand-dark);font-size:15px}.pill:hover{border-color:var(--brand);text-decoration:none}section.block{padding:48px 0}h2.section-title{font-size:26px;margin:0 0 6px;letter-spacing:-.3px}.section-sub{color:var(--muted);margin:0 0 24px}.grid{display:grid;grid-gap:16px;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media (max-width:760px){.grid-2,.grid-3{grid-template-columns:1fr}.hero h1{font-size:32px}}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}.card .credential{color:var(--brand-dark);font-weight:600;font-size:14px}.breadcrumb{font-size:14px;padding:20px 0 0}.breadcrumb,.breadcrumb a{color:var(--muted)}.page-head{padding:20px 0 8px}.page-head h1{font-size:34px;margin:0 0 8px;letter-spacing:-.4px}.page-head p{color:var(--muted);font-size:18px;margin:0;max-width:720px}.tag{display:inline-block;background:var(--accent);color:var(--brand-dark);font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px;margin-left:8px;vertical-align:middle}.prose p{font-size:17px}.prose h2{font-size:22px;margin:28px 0 8px}.faq{border-top:1px solid var(--line);margin-top:28px;padding-top:8px}.faq h3{font-size:17px;margin:20px 0 4px}.faq p{margin:0}.faq p,.reviewer{color:var(--muted)}.reviewer{font-size:14px;background:var(--accent);display:inline-block;padding:6px 12px;border-radius:8px;margin-top:12px}.cta{background:var(--brand);color:#fff;border-radius:16px;padding:32px;text-align:center;margin:40px 0}.cta h2{margin:0 0 8px;color:#fff}.cta p{margin:0 0 18px;color:#eaf7f1}.btn{display:inline-block;background:#fff;color:var(--brand-dark);font-weight:700;padding:12px 22px;border-radius:999px}.btn:hover{text-decoration:none;opacity:.92}.site-footer{background:#0f2a24;color:#bcd;padding:40px 0;margin-top:40px}.footer-brand{font-weight:800;color:#fff;font-size:18px;margin:0 0 8px}.footer-note{color:#9fb8b0;font-size:14px;max-width:720px;margin:0 0 12px}.footer-copy{color:#6f8a82;font-size:13px;margin:0}.cat-title{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark);margin:0 0 12px;font-weight:700}.row-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.see-all{font-weight:600;font-size:15px;white-space:nowrap}.qa-list{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:10px;gap:10px}@media (max-width:760px){.qa-list{grid-template-columns:1fr}}.qa-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-weight:600;color:var(--ink)}.qa-item:hover{border-color:var(--brand);text-decoration:none;color:var(--brand-dark)}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.chip{background:var(--accent);color:var(--brand-dark);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600}.chip:hover{text-decoration:none;background:#d9efe4}.answer{font-size:18px;line-height:1.7}.meta{color:var(--muted);font-size:14px;margin-top:16px}