:root{--bg:#0f1720;--card:#fff;--ink:#1a2330;--muted:#5b6b7c;--line:#e6ebf1;--brand:#127a5b;--brand2:#0ea371;--accent:#f4f8f6;--shadow:0 1px 3px rgba(16,42,67,.08),0 8px 24px rgba(16,42,67,.06)}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#f6f8fa;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
header.site{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:820px;margin:0 auto;padding:0 18px}
.nav{display:flex;align-items:center;gap:18px;height:58px}
.nav .logo{font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.3px}
.nav .logo span{color:var(--brand)}
.nav a.link{color:var(--muted);font-size:14px;font-weight:500}
.nav .spacer{flex:1}
main{padding:26px 0 60px}
h1{font-size:27px;line-height:1.25;margin:.2em 0 .3em;letter-spacing:-.4px}
h2{font-size:20px;margin:1.5em 0 .5em}
.lede{color:var(--muted);font-size:16px;margin:0 0 22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);margin:0 0 22px}
.result{background:linear-gradient(135deg,#0ea371,#127a5b);color:#fff;border-radius:14px;padding:22px 24px;margin:0 0 22px}
.result .big{font-size:38px;font-weight:800;letter-spacing:-1px;line-height:1.1}
.result .sub{opacity:.9;font-size:14px;margin-top:4px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin:0 0 5px}
.field input,.field select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:16px;background:#fbfdfe}
.field input:focus{outline:2px solid var(--brand2);border-color:transparent}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0 0}
.stat{background:var(--accent);border-radius:10px;padding:12px 14px}
.stat .k{font-size:12px;color:var(--muted);font-weight:600}
.stat .v{font-size:19px;font-weight:700}
table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}
th,td{text-align:right;padding:7px 10px;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.3px}
tbody tr:nth-child(even){background:#fafcfd}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tool{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow)}
.tool:hover{border-color:var(--brand2);text-decoration:none;transform:translateY(-1px);transition:.15s}
.tool .t{font-weight:700;color:var(--ink);font-size:16px}
.tool .d{color:var(--muted);font-size:13px;margin-top:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 0}
.chip{background:var(--accent);color:var(--brand);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}
.ad{background:repeating-linear-gradient(45deg,#f2f5f8,#f2f5f8 10px,#eef2f6 10px,#eef2f6 20px);border:1px dashed #cfd8e2;border-radius:10px;color:#93a2b3;text-align:center;padding:22px;font-size:12px;margin:22px 0;font-weight:600}
.faq dt{font-weight:700;margin-top:14px}
.faq dd{margin:4px 0 0;color:var(--muted)}
footer.site{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}
footer .wrap{padding:22px 18px}
footer a{color:var(--muted)}
.crumb{font-size:13px;color:var(--muted);margin:0 0 14px}
.disc{font-size:12px;color:#9aa7b4;margin-top:8px}
@media(max-width:560px){.grid,.tools{grid-template-columns:1fr}.result .big{font-size:31px}h1{font-size:23px}}