:root{--bg:#fff;--ink:#1a1d23;--muted:#5b6472;--line:#e5e8ee;--accent:#1f6feb;--accent-soft:#eef4ff;--good:#0a7c42;--warn-bg:#fff8e6;--warn-line:#e8c547;--radius:10px;--maxw:960px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.65}a{color:var(--accent)}a:hover{text-decoration-thickness:2px}code{background:#f3f5f9;border-radius:5px;padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--line)}.site-header .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:14px;padding-bottom:14px;display:flex}.brand{color:var(--ink);font-size:1.25rem;font-weight:800;text-decoration:none}.brand span{color:var(--accent)}.site-nav{flex-wrap:wrap;gap:18px;display:flex}.site-nav a{color:var(--muted);font-size:.95rem;text-decoration:none}.site-nav a:hover{color:var(--ink)}.site-footer{border-top:1px solid var(--line);margin-top:56px}.site-footer .wrap{padding-top:24px;padding-bottom:32px}.muted{color:var(--muted)}.small{font-size:.88rem}.hero{padding:40px 0 8px}.hero h1{letter-spacing:-.01em;margin:0 0 12px;font-size:2rem;line-height:1.25}.hero p.lede{color:var(--muted);max-width:62ch;margin:0 0 8px;font-size:1.08rem}main section.block{margin-top:36px}h2{letter-spacing:-.01em;margin:0 0 10px;font-size:1.35rem}h2.table-title{margin-top:28px}.tool{margin-top:16px}.tool-controls{flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:12px;display:flex}.field{flex-direction:column;flex:1;gap:6px;min-width:200px;display:flex}.field-label{color:var(--muted);font-size:.85rem;font-weight:600}select,textarea,input[type=number],input[type=password],input[type=text]{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:100%;padding:10px 12px}textarea{resize:vertical;min-height:120px}select:focus,textarea:focus,input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.btn,.btn-ghost{font:inherit;border-radius:var(--radius);cursor:pointer;border:1px solid var(--accent);padding:10px 16px;font-weight:600}.btn{background:var(--accent);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{color:var(--accent);background:#fff;align-self:flex-end}.btn-ghost:hover{background:var(--accent-soft)}.stats{flex-wrap:wrap;gap:12px;margin:16px 0 4px;display:flex}.stat{border:1px solid var(--line);border-radius:var(--radius);background:#fbfcfe;min-width:150px;padding:12px 18px}.stat-num{font-variant-numeric:tabular-nums;font-size:1.6rem;font-weight:800;display:block}.stat-label{color:var(--muted);font-size:.85rem}.badge{text-transform:uppercase;letter-spacing:.04em;vertical-align:middle;border-radius:20px;padding:2px 9px;font-size:.72rem;font-weight:700;display:inline-block}.badge.exact{color:var(--good);background:#e6f6ec}.badge.est{color:var(--muted);background:#f3f5f9}.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--radius);padding:10px 14px;font-size:.92rem}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:620px;font-size:.94rem}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 14px}th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}thead th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f7f9fc;font-size:.82rem}.th-sort{font:inherit;text-transform:inherit;letter-spacing:inherit;color:inherit;cursor:pointer;text-align:inherit;background:0 0;border:none;padding:0}.th-sort:hover{color:var(--ink)}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fbfcfe}.price-notice{background:var(--accent-soft);border-radius:var(--radius);border:1px solid #c9dcfc;margin:24px 0 0;padding:10px 14px;font-size:.92rem}.faq details{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:10px}.faq summary{cursor:pointer;padding:12px 16px;font-weight:600}.faq details p{color:var(--muted);margin:0;padding:0 16px 14px}.api-panel{border:1px dashed var(--line);border-radius:var(--radius);background:#fbfcfe;margin-top:36px;padding:18px}.check{cursor:pointer;align-items:flex-start;gap:8px;margin:12px 0;font-weight:600;display:flex}.check input{margin-top:5px}.api-form{flex-direction:column;gap:12px;margin-top:8px;display:flex}.result{font-size:1.1rem}.error{color:#b42318;border-radius:var(--radius);background:#fdeceb;border:1px solid #f5c0b8;padding:10px 14px}.prose p,.prose ul{max-width:68ch}@media (max-width:640px){.hero h1{font-size:1.6rem}.stat{flex:1;min-width:0;padding:10px 12px}.stat-num{font-size:1.3rem}}