:root{--bg:#f6f8fb;--card:#fff;--ink:#0b2e4f;--muted:#5b6572;--line:#e4e9f0;--brand:#0a7d3b;--brand2:#0b6bd6;--accent:#0b2e4f}
*{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:1.6}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}
header.site{background:var(--accent);color:#fff;padding:.7rem 0}header.site .in{max-width:920px;margin:0 auto;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
header.site a{color:#fff;font-weight:700;font-size:1.15rem}header.site nav a{font-weight:500;font-size:.9rem;margin-left:1rem;opacity:.9}
main{max-width:920px;margin:0 auto;padding:1.2rem 1rem 3rem}h1{font-size:1.7rem;margin:.2rem 0 .6rem}h2{font-size:1.25rem;margin:1.8rem 0 .6rem}
.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;box-shadow:0 1px 2px rgba(11,46,79,.04)}
.rate-hero{font-size:1.35rem;font-weight:700}.rate-hero .val{color:var(--brand)}
.cc{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:.4rem 0}.cc input,.cc select{font-size:1.05rem;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}.cc input{width:150px}.cc .arrow{font-size:1.2rem;color:var(--muted)}
.cc-out{font-size:1.25rem;font-weight:700;color:var(--brand);padding:.5rem 0}.cc-note{font-size:.82rem;color:var(--muted)}
table{width:100%;border-collapse:collapse;margin:.5rem 0}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}th{color:var(--muted);font-weight:600;font-size:.85rem}
.grid{display:flex;flex-wrap:wrap;gap:.5rem}.chip{display:inline-block;background:#eef3f9;border:1px solid var(--line);border-radius:999px;padding:.35rem .7rem;font-size:.9rem}
.cta{display:block;background:var(--brand);color:#fff!important;text-align:center;font-weight:700;padding:.85rem 1rem;border-radius:10px;margin:1rem 0}.cta:hover{filter:brightness(1.05);text-decoration:none}
.adslot{margin:1.2rem 0;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--muted);border:1px dashed var(--line);border-radius:10px;font-size:.8rem}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:1.5rem 1rem;text-align:center}.disclaimer{font-size:.78rem;color:var(--muted);margin-top:1.5rem}