:root{--bg:#f7f7f4;--card:#fff;--ink:#142018;--muted:#617066;--line:#dfe5df;--accent:#0f6b46;--accent2:#e9f5ee;--warn:#fff7e4;--shadow:0 10px 30px rgba(25,50,35,.07);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header{position:sticky;top:0;z-index:20;background:rgba(247,247,244,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.wrap{max-width:1120px;margin:auto;padding:0 20px}.topbar{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.12rem}.brand svg{width:34px;height:34px}nav{display:flex;gap:16px;flex-wrap:wrap}nav a{color:#304338;font-size:.94rem}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px}.hero{padding:72px 0 38px}.eyebrow{display:inline-flex;background:var(--accent2);color:var(--accent);padding:6px 10px;border-radius:999px;font-weight:700;font-size:.83rem}.hero h1{max-width:850px;font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.045em;margin:18px 0}.hero p{max-width:760px;color:var(--muted);font-size:1.15rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 16px;font-weight:750;cursor:pointer;background:var(--accent);color:white}.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.btn:hover{text-decoration:none;filter:brightness(.98)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0}.card p{color:var(--muted)}.tool-card{display:flex;flex-direction:column;min-height:210px}.tool-card .pill{margin-top:auto}.pill{display:inline-flex;align-self:flex-start;border:1px solid var(--line);border-radius:999px;padding:5px 9px;font-size:.78rem;color:#405047}.section{padding:36px 0}.section h2{font-size:clamp(1.6rem,3vw,2.4rem);margin:0 0 16px}.muted{color:var(--muted)}.breadcrumbs{font-size:.88rem;color:var(--muted);padding-top:24px}.tool-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:22px;align-items:start}.toolbox{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}label{display:block;font-weight:700;margin:14px 0 6px}.hint{font-size:.85rem;color:var(--muted);margin-top:5px}input,select{width:100%;font:inherit;border:1px solid #cfd8d1;background:#fff;border-radius:11px;padding:12px 13px;color:var(--ink)}input:focus,select:focus{outline:3px solid rgba(15,107,70,.12);border-color:var(--accent)}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result{margin-top:20px;background:var(--accent2);border:1px solid #cce4d5;border-radius:16px;padding:18px}.result strong.big{font-size:2rem;display:block;line-height:1.2}.notice{background:var(--warn);border:1px solid #efdfb1;border-radius:14px;padding:14px 16px;margin:18px 0;color:#5a4b20}.share{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.share a,.share button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:9px;padding:8px 10px;font-size:.84rem;cursor:pointer}.prose{max-width:820px}.prose h2{margin-top:2.2em}.prose h3{margin-top:1.7em}.prose li{margin:.4em 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}table{border-collapse:collapse;width:100%;min-width:560px}th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line)}th{background:#f0f4f1;font-size:.88rem}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:9px 0}.faq summary{font-weight:750;cursor:pointer}.source-list li{margin-bottom:10px}.source-list a{overflow-wrap:anywhere}.footer{margin-top:50px;border-top:1px solid var(--line);padding:32px 0 42px;color:var(--muted);font-size:.9rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px}.footer a{color:#405047}.cookie{position:fixed;left:18px;right:18px;bottom:18px;max-width:760px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 16px 50px rgba(0,0,0,.18);display:none;z-index:50}.cookie.show{display:block}.cookie-actions{display:flex;gap:8px;margin-top:10px}.searchbox{max-width:620px;margin:18px 0}.metric{font-size:2.1rem;font-weight:800;letter-spacing:-.04em}.kicker{font-size:.85rem;font-weight:750;color:var(--accent);text-transform:uppercase;letter-spacing:.08em}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.checklist li{margin:.55em 0}.badge{display:inline-block;padding:4px 8px;border-radius:8px;background:#f1f4f2;font-size:.8rem}.inline-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#eef1ee;padding:2px 6px;border-radius:6px}.callout{border-left:4px solid var(--accent);padding:12px 16px;background:#fff;border-radius:0 12px 12px 0}
@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.tool-layout,.footer-grid{grid-template-columns:1fr}.topbar nav{display:none}.menu-btn{display:block}.topbar.open nav{display:flex;position:absolute;left:0;right:0;top:68px;padding:16px 20px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column}.hero{padding-top:46px}}
@media(max-width:560px){.grid,.two-col,.row{grid-template-columns:1fr}.hero h1{font-size:2.55rem}.wrap{padding:0 16px}.toolbox{padding:18px}}