:root{--ink:#1d2329;--muted:#5b6670;--line:#dfe3e7;--bg:#fff;--soft:#f5f7f9;--accent:#1f5f8b;--warn:#8a5a00;--warnbg:#fff7e6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:900px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:#fff;padding:6px}
a{color:var(--accent)}
.site-header{border-bottom:1px solid var(--line);background:var(--soft)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;padding-bottom:12px}
.brand{font-weight:700;text-decoration:none;color:var(--ink);font-size:1.15rem}
.brand .tag{display:block;font-weight:400;font-size:.8rem;color:var(--muted)}
nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 16px;margin:0;padding:0}
nav a{text-decoration:none}nav a[aria-current]{font-weight:700;text-decoration:underline}
.soon{color:var(--muted)}
main{padding-top:20px;padding-bottom:40px}
h1{font-size:1.75rem;line-height:1.25;margin:.4em 0}
h2{font-size:1.3rem;margin-top:2em;border-top:1px solid var(--line);padding-top:1em}
h3{font-size:1.08rem;margin-top:1.4em}
.lede{font-size:1.08rem;color:#2c353d}
.meta{color:var(--muted);font-size:.9rem}
.note{background:var(--warnbg);border-left:4px solid #e0a800;padding:10px 14px;margin:16px 0;color:#3d2c00}
.box{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:12px 16px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.93rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
thead th{background:var(--soft)}
tbody th{background:#fafbfc;font-weight:600;white-space:nowrap}
.official{font-weight:600}
.unk{color:var(--warn);font-style:italic}
sup a{text-decoration:none;font-size:.75rem}
ol.sources{font-size:.88rem;color:#333}ol.sources li{margin:4px 0;word-break:break-word}
details{border:1px solid var(--line);border-radius:6px;padding:8px 12px;margin:8px 0}
summary{cursor:pointer;font-weight:600}
.small{font-size:.85rem;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);background:var(--soft);font-size:.9rem;padding:16px 0}
@media (max-width:600px){h1{font-size:1.45rem}body{font-size:15.5px}}
.aff{font-size:.9rem;font-weight:600;color:#5a4300;white-space:nowrap}
.offer{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:10px 14px}
.offer-list li{margin:4px 0}
.sponsored-label{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#6b4e00;background:var(--warnbg);border:1px solid #e0c46c;border-radius:4px;padding:1px 8px}
.site-footer .support{border-top:1px solid var(--line);margin-top:10px;padding-top:6px}
.btn-tip{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;border-radius:6px;padding:6px 14px;font-weight:600}
.btn-tip:hover,.btn-tip:focus{background:#174a6d}