:root{
 --bg:#f7f7f4; --surface:#fcfcfb; --ink:#111110; --ink2:#4a4945; --muted:#8a8882;
 --line:#e4e3dc; --edge:rgba(17,17,16,.09);
 --s-critical:#d03b3b; --s-major:#e4713f; --s-moderate:#e0a318; --s-minor:#9c9a93;
 --toward:#eb6834; --against:#2a78d6; --link:#1c5cab;
}
@media (prefers-color-scheme:dark){:root{
 --bg:#0e0e0d; --surface:#191918; --ink:#f2f1ee; --ink2:#c5c4bb; --muted:#8a8882;
 --line:#2b2b28; --edge:rgba(255,255,255,.10);
 --s-critical:#e05656; --s-major:#e8834f; --s-moderate:#dba420; --s-minor:#8a8882;
 --toward:#e06a33; --against:#4b8fe0; --link:#8fbcf0;}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
 font:16px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
 -webkit-font-smoothing:antialiased}
main{max-width:1060px;margin:0 auto;padding:36px 22px 72px}
main.narrow{max-width:780px}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:2px}
h1{font-size:clamp(1.45rem,2.6vw,1.85rem);line-height:1.12;letter-spacing:-.02em;margin:.1em 0 .7em;font-weight:650}
h2{font-size:1.02rem;letter-spacing:.02em;text-transform:uppercase;color:var(--ink2);font-weight:600;margin:2.1em 0 .7em}
h3{font-size:1.1rem;line-height:1.3;margin:.1em 0 .5em;font-weight:620;letter-spacing:-.01em}
h3 a{color:inherit;text-decoration:none}h3 a:hover{text-decoration:underline}
.sub{font-size:1.08rem;color:var(--ink2);max-width:56em;margin:0 0 1.3em}
.muted{color:var(--muted)}.dim{color:var(--ink2)}
.card{background:var(--surface);border:1px solid var(--edge);border-radius:11px}
/* stat strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);
 border:1px solid var(--edge);border-radius:11px;overflow:hidden;margin:0 0 20px}
.stat{background:var(--surface);padding:13px 15px}
.stat b{display:block;font-size:1.5rem;font-weight:660;letter-spacing:-.02em;line-height:1.15;font-variant-numeric:tabular-nums}
.stat span{font-size:.83rem;color:var(--ink2);display:block;margin-top:2px}
/* method */
.method{margin:0 0 16px}
.method h2{margin:1.5em 0 .6em}
.mgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.mgrid p{margin:0;font-size:.89rem;line-height:1.52;color:var(--ink2)}
.mgrid b{color:var(--ink);font-weight:620}
.mgrid .chip{display:inline-block;vertical-align:baseline;margin:0 1px}
/* charts */
.charts{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:14px}
.chart{padding:14px 16px 12px}.chart.wide{grid-column:1/-1}
.ctitle{font-size:.93rem;font-weight:620;margin:0 0 10px}
.brow{display:grid;grid-template-columns:132px 1fr 62px;gap:10px;align-items:center;margin:7px 0}
.blab{font-size:.86rem;color:var(--ink2)}
.btrack{height:16px;display:flex;align-items:center}
.bfill{display:block;height:16px;border-radius:0 4px 4px 0;min-width:3px}
.bval{font-size:.86rem;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.drow{display:grid;grid-template-columns:270px 1fr;gap:10px;align-items:center;margin:6px 0}
.dbars{display:flex;flex-direction:column;gap:3px}
.dline{display:flex;align-items:center;gap:7px;height:11px}
.dline .bfill{height:11px}.dline b{font-size:.76rem;color:var(--ink2);font-weight:600;font-variant-numeric:tabular-nums}
.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:.81rem;color:var(--ink2);margin:-2px 0 9px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.cnote{font-size:.79rem;color:var(--muted);margin:9px 0 0;line-height:1.45}
/* papers */
.yr{display:flex;align-items:baseline;gap:11px;margin:26px 0 9px}
.yr b{font-size:1.22rem;font-weight:660;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.yr span{font-size:.8rem;color:var(--muted)}
.yr:after{content:"";flex:1;height:1px;background:var(--line)}
.paper{padding:15px 17px 14px;margin:9px 0}
.pmeta{font-size:.79rem;color:var(--muted);margin:0 0 3px}
.lead{display:flex;gap:9px;align-items:flex-start;margin:.2em 0 0}
.lead p{margin:0;font-size:.97rem;line-height:1.48}
.others{list-style:none;margin:11px 0 0;padding:9px 0 0;border-top:1px solid var(--line);display:grid;gap:6px}
.others li{display:flex;gap:9px;align-items:flex-start;font-size:.88rem;color:var(--ink2);line-height:1.44}
.all{display:inline-block;margin-top:11px;font-size:.84rem;font-weight:560;text-decoration:none}
.all:hover{text-decoration:underline}
.chip{flex:0 0 auto;font-size:.68rem;font-weight:700;letter-spacing:.055em;text-transform:uppercase;
 padding:2.5px 7px;border-radius:5px;color:#fff;margin-top:1px;white-space:nowrap}
.c-critical{background:var(--s-critical)}.c-major{background:var(--s-major)}
.c-moderate{background:var(--s-moderate);color:#19180f}.c-minor{background:var(--s-minor)}
/* detail page */
.back{font-size:.85rem;margin:0 0 14px}
.pcount{font-size:.9rem;color:var(--ink2);margin:0 0 .4em}
.cf{margin:.3em 0 0;padding-left:1.1em}.cf li{margin:.26em 0;color:var(--ink2);font-size:.94rem}
.issue{border-top:1px solid var(--line);padding:14px 0 4px}
.ihead{display:flex;gap:9px;align-items:center;margin-bottom:7px}
.inum{font-size:.78rem;color:var(--muted);font-weight:650;font-variant-numeric:tabular-nums}
.imeta{font-size:.78rem;color:var(--muted)}
.iplain{margin:0;font-size:.97rem;line-height:1.5}
.issue details{margin:.6em 0 0}.issue summary{cursor:pointer;font-size:.84rem;color:var(--link)}
.issue details p{font-size:.89rem;color:var(--ink2);line-height:1.5}
.rj{padding-left:1.1em;font-size:.9rem;color:var(--ink2)}.rj li{margin:.3em 0}
.note{font-size:.86rem;color:var(--ink2);margin:.2em 0 .6em}
footer{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted);max-width:62em;line-height:1.5}
@media (max-width:760px){.mgrid{grid-template-columns:1fr}.brow{grid-template-columns:110px 1fr 52px}
 .drow{grid-template-columns:1fr}main{padding:24px 16px 56px}}