:root{--bg:#f6f8f6;--card:#fff;--ink:#17201b;--muted:#5d6b63;--line:#e1e7e3;--brand:#1f7a4d;--brand-ink:#fff;--up:#137a3f;--up-bg:#e3f4ea;--down:#b42318;--down-bg:#fdecea;--flat-bg:#eef1ef;--notice:#fff6d6;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#101512;--card:#18201b;--ink:#e7eee9;--muted:#9aa9a0;--line:#2a352e;--brand:#3fae76;--brand-ink:#08130d;--up:#5fd393;--up-bg:#173525;--down:#ff8a7a;--down-bg:#3a1d1a;--flat-bg:#232c26;--notice:#3a3214;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
a{color:var(--brand)}
.wrap{max-width:960px;margin:0 auto;padding-inline:16px}
.top{background:var(--card);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.logo{width:28px;height:28px}
.top nav{display:flex;gap:16px;align-items:center}
.top nav a{text-decoration:none;color:var(--ink)}
.notice{background:var(--notice);font-size:.9rem;padding:8px 0}
main{padding-block:24px 40px}
h1{font-size:1.75rem;line-height:1.25;margin:0 0 6px}
h2{font-size:1.25rem;margin:32px 0 10px}
.sub,.muted{color:var(--muted)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:600;white-space:nowrap}
.top nav a.btn{color:var(--brand-ink)}
.btn.small{padding:7px 12px;font-size:.9rem}
.btn.disabled{opacity:.7}
.tablebox{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right}
td .unit{color:var(--muted);font-size:.85rem}
.chip{display:inline-block;padding:1px 8px;border-radius:999px;font-size:.8rem;font-weight:600;margin-left:6px;background:var(--flat-bg);color:var(--muted)}
.chip.up{background:var(--up-bg);color:var(--up)}
.chip.down{background:var(--down-bg);color:var(--down)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.card .k{color:var(--muted);font-size:.9rem}
.card .v{font-size:1.9rem;font-weight:700;font-variant-numeric:tabular-nums}
.stats{display:flex;gap:20px;flex-wrap:wrap;margin:8px 0 12px;color:var(--muted);font-size:.95rem}
.stats b{color:var(--ink)}
.chart{width:100%;height:200px;display:block;background:var(--card);border:1px solid var(--line);border-radius:12px}
.chart .area{fill:var(--brand);opacity:.12}
.chart .line{fill:none;stroke:var(--brand);stroke-width:2.5;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.chart .dot{fill:var(--brand)}
.chart .lbl{font-size:12px;fill:var(--ink);font-weight:600}
.chart .axis{font-size:11px;fill:var(--muted)}
.cta{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:32px}
.cta h2{margin:0 0 4px}
.cta p{margin:0;color:var(--muted);max-width:560px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;color:var(--ink)}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:8px}
.crumbs a{color:var(--muted)}
.prose{max-width:720px}
.prose h2{font-size:1.15rem}
.prose li{margin:4px 0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.hi{font-size:1.05rem;margin:10px 0 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0;color:var(--muted)}
h3{font-size:1.05rem;margin:20px 0 8px}
.foot{border-top:1px solid var(--line);background:var(--card);padding-block:20px;font-size:.9rem;color:var(--muted)}
.foot nav{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.foot a{color:var(--muted)}
@media (max-width:520px){h1{font-size:1.45rem}th,td{padding:9px 8px}.top nav{gap:12px}}