:root{--g:#15803d;--g2:#166534;--gl:#dcfce7;--bg:#f6faf7;--t:#1f2937;--m:#6b7280}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--t);background:var(--bg)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}a{color:var(--g2)}
.top{background:var(--g);color:#fff}.top .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;min-height:56px;gap:8px}
.logo{color:#fff;font-weight:800;font-size:20px;text-decoration:none}.logo span{background:#fff;color:var(--g);border-radius:6px;padding:0 7px;margin-right:6px}
nav a{color:#ecfdf5;text-decoration:none;margin-left:14px;font-size:15px}nav a:hover{text-decoration:underline}
h1{font-size:clamp(26px,5vw,36px);line-height:1.2;margin:24px 0 8px}h2{margin-top:32px;color:var(--g2)}
.pill{background:var(--gl);color:var(--g2);font-size:.5em;padding:2px 10px;border-radius:99px;vertical-align:middle}
.calc{background:#fff;border-radius:14px;box-shadow:0 2px 14px rgba(0,0,0,.07);padding:20px;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
label{font-size:13px;font-weight:600;color:var(--m);display:flex;flex-direction:column;gap:4px}
input,select{font:inherit;padding:10px;border:1px solid #cbd5d1;border-radius:8px;background:#fff;color:var(--t)}input:focus,select:focus{outline:2px solid var(--g)}
.hl{background:linear-gradient(135deg,var(--g),#22c55e);color:#fff;border-radius:12px;padding:16px;margin:16px 0;display:flex;flex-direction:column}.hl b{font-size:34px}.hl small{opacity:.9}
.tw{overflow-x:auto}table.bd{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}
.bd th,.bd td{padding:9px 10px;border-bottom:1px solid #e5ede8;text-align:right;white-space:nowrap}.bd th:first-child,.bd td:first-child{text-align:left}
.bd thead th{background:var(--gl);color:var(--g2)}.bd tr.net td{font-weight:700;background:#f0fdf4}
.big{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:16px 0}.big div{background:#fff;border-left:4px solid var(--g);border-radius:10px;padding:12px}.big b{display:block;font-size:24px;color:var(--g2)}.big span{color:var(--m);font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips a{background:#fff;border:1px solid #bbf7d0;border-radius:99px;padding:6px 14px;text-decoration:none}.chips a:hover{background:var(--gl)}
.ad{min-height:90px;margin:20px 0;border:1px dashed #b6d7c1;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#9ca3af;font-size:12px;background:#fbfdfb}
.faq details{background:#fff;border-radius:8px;padding:10px 14px;margin:8px 0}.faq summary{font-weight:600;cursor:pointer}
.bc{font-size:14px;color:var(--m);margin-top:16px}.small{font-size:13px;color:var(--m)}.code{width:100%;font:13px monospace;padding:10px;border-radius:8px}
footer{background:#0f2e1c;color:#d1fae5;margin-top:48px;padding:20px 0}footer a{color:#86efac}
body.bare{background:#fff}body.bare .calc{box-shadow:none;margin:0}.credit{text-align:center}
@media(max-width:600px){nav a{margin:0 12px 0 0}.hl b{font-size:28px}}