:root{--bg:#f7f8fa;--card:#fff;--ink:#14213d;--muted:#5b6475;--line:#e3e7ee;--brand:#1d4ed8;--brand2:#0f766e;--A:#15803d;--B:#4d7c0f;--C:#b45309;--D:#c2410c;--F:#b91c1c}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:hover{text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
header.site{background:var(--ink);color:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 18px}
.logo{color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.01em;font-size:1.15rem;display:flex;align-items:center;gap:8px}
.logo span.mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,#3b82f6,#14b8a6);font-size:.9rem}
nav a{color:#cbd5e1;text-decoration:none;margin-left:16px;font-size:.95rem}nav a:hover,nav a.on{color:#fff}
@media(max-width:640px){nav a{margin:0 14px 0 0}nav{width:100%}}
.hero{padding:34px 0 10px}.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);line-height:1.15;margin:0 0 10px;letter-spacing:-.02em}
.hero p.lede{color:var(--muted);font-size:1.08rem;max-width:760px;margin:0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:22px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat b{display:block;font-size:1.55rem;letter-spacing:-.02em}.stat small{color:var(--muted)}
section.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0}
section.card h2{margin:0 0 6px;font-size:1.3rem;letter-spacing:-.01em}.sub{color:var(--muted);margin:0 0 14px;font-size:.95rem}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.wrapcell{white-space:normal;min-width:180px}
tr:hover td{background:#fafbff}
.grade{display:inline-grid;place-items:center;min-width:30px;height:28px;border-radius:7px;color:#fff;font-weight:800}
.g-A{background:var(--A)}.g-B{background:var(--B)}.g-C{background:var(--C)}.g-D{background:var(--D)}.g-F{background:var(--F)}.g-na{background:#94a3b8}
.pill{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:99px;background:#eef2ff;color:#3730a3}
.pill.pending{background:#fef3c7;color:#92400e}.pill.current{background:#dcfce7;color:#166534}.pill.prov{background:#f1f5f9;color:#475569}
.chart{width:100%;height:auto;display:block}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:.85rem;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:800px){.grid2{grid-template-columns:1fr}}
.note{font-size:.88rem;color:var(--muted)}
.faq h3{font-size:1.05rem;margin:18px 0 4px}
footer.site{margin-top:36px;background:#0b1324;color:#cbd5e1;padding:28px 0;font-size:.92rem}
footer.site a{color:#e2e8f0}
.newsletter{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.newsletter input{flex:1;min-width:200px;padding:10px 12px;border-radius:8px;border:1px solid #334155;background:#111c33;color:#94a3b8}
.newsletter button{padding:10px 16px;border-radius:8px;border:0;background:#334155;color:#cbd5e1;font-weight:600}
.select{padding:8px 10px;border-radius:8px;border:1px solid var(--line);font-size:1rem;background:#fff}
.err-pos{color:#b45309}.err-neg{color:#1d4ed8}
.src{font-size:.85rem}