:root{
  --brand:#1f5238;--brand2:#2e7d55;--accent:#c99a2e;--ink:#1c2621;--muted:#5b6b62;--bg:#f5f8f5;--card:#fff;
  --line:#dde6de;--green:#1e7d43;--amber:#b8781a;--red:#b3392e;--radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--brand2)}
.wrap{max-width:920px;margin:0 auto;padding:0 20px}
header.site{background:#122b1e;color:#fff;padding:14px 0}
header.site .wrap{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{font-weight:800;font-size:19px;color:#fff;text-decoration:none}
.logo .tick{color:#e0c169}
nav.top{margin-left:auto;display:flex;gap:18px;font-size:14px;flex-wrap:wrap}
nav.top a{color:#bcdcc7;text-decoration:none}
.hero{padding:34px 22px 6px}
h1{font-size:28px;margin:0 0 8px;color:#122b1e}
.sub{color:var(--muted);max-width:720px;font-size:16px}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.badge{font-size:12.5px;background:#e6f0e8;color:var(--brand);padding:3px 10px;border-radius:20px}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
@media(max-width:760px){.grid{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 1px 4px rgba(18,43,30,.06)}
.card h2{margin:0 0 14px;font-size:18px;color:#122b1e}
label{display:block;font-size:13.5px;font-weight:700;color:var(--muted);margin:14px 0 6px}
label:first-of-type{margin-top:0}
input[type=number],input[type=text],select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:15px;background:#fbfdfb;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--brand2);outline-offset:1px}
button.primary{width:100%;margin-top:16px;padding:13px 14px;border:0;border-radius:9px;background:var(--brand);color:#fff;font:inherit;font-weight:800;font-size:15px;cursor:pointer}
button.primary:hover{background:var(--brand2)}

.big-answer{text-align:center;padding:10px 0 6px}
.big-answer .round{font-size:32px;font-weight:800;color:var(--brand)}
.big-answer .round span{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-top:2px}
.stat-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.stat{flex:1;min-width:100px;background:#f2f8f3;border:1px solid var(--line);border-radius:9px;padding:10px;text-align:center}
.stat b{display:block;font-size:18px;color:var(--brand)}
.stat span{font-size:11.5px;color:var(--muted)}

.hint{font-size:13px;color:var(--muted)}
.warn-box{background:#fdf3e2;border:1px solid #f0d9a8;color:#7a5411;border-radius:10px;padding:14px 16px;font-size:13.5px;margin:18px 0}
.warn-box b{color:#5c3f0c}

.ad-slot{text-align:center;margin:20px auto;max-width:100%;overflow:hidden}
.ad-slot.top{margin-top:0}
.ad-728{display:block}
.ad-320{display:none}
@media(max-width:860px){.ad-728{display:none}.ad-320{display:block}}

section.seo{background:#fff;border-top:1px solid var(--line);margin-top:34px;padding:34px 0}
section.seo h2{color:#122b1e;font-size:22px}
section.seo h3{color:var(--brand);font-size:17px;margin-top:22px}
section.seo p,section.seo li{font-size:15px;color:#2c362f}
.faq dt{font-weight:700;margin-top:16px}
.faq dd{margin:4px 0 0}

table.dtable{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
table.dtable th,table.dtable td{padding:8px;border:1px solid var(--line);text-align:left}
table.dtable th{background:#eaf3ec}
table.dtable td.num,table.dtable th.num{text-align:right}
table.dtable tr.highlight td{background:#fbf3de;font-weight:700}

footer.site{background:#122b1e;color:#a9c9b3;font-size:13px;padding:24px 0;margin-top:0}
footer.site a{color:#bcdcc7}
footer.site .disc{font-size:12px;color:#84a790;margin-top:8px}
@media(max-width:480px){h1{font-size:22px}.big-answer .round{font-size:26px}}