*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:#1f2630;font-family:-apple-system,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.7;font-size:15px}
a{color:#0b62c4;text-decoration:none}a:hover{text-decoration:underline}
code{font-family:"SF Mono",Menlo,Consolas,monospace;font-size:.85em;background:#eef3f9;border:1px solid #d6dce3;border-radius:4px;padding:.5px 4px}
.layout{display:grid;grid-template-columns:172px 1fr;min-height:100vh}
.side{background:#f6f8fa;border-right:1px solid #d6dce3;position:sticky;top:0;height:100vh;overflow:auto;padding:16px 10px}
.side .t{font-weight:700;color:#16314f;font-size:13px;margin:2px 8px 8px}
.side a{display:block;padding:6px 11px;border-radius:7px;color:#5c6773;font-size:13.5px;font-variant-numeric:tabular-nums}
.side a:hover{background:#eceff3;color:#16314f;text-decoration:none}
.side a.cur{background:#0b62c4;color:#fff;font-weight:700}.side a.cur:hover{background:#0b62c4;color:#fff}
.side .sep{border-top:1px solid #e3e8ee;margin:9px 6px}.side a.s{font-size:12px}
.content{padding:22px 32px 80px;max-width:900px}
h1{font-size:27px;margin:6px 0 2px;color:#16314f}
h1 .badge{font-size:13px;background:#eef3f9;border:1px solid #d6dce3;border-radius:999px;padding:2px 10px;color:#1d3a5c;vertical-align:middle;margin-left:8px}
h2{font-size:18px;color:#0d4a8a;margin:28px 0 8px;border-top:1px solid #e3e8ee;padding-top:13px}
.lead{color:#5c6773}.upd{color:#5c6773;font-size:12.5px;margin:2px 0 0}
.feat{background:#eaf2fc;border-left:4px solid #0b62c4;padding:9px 13px;border-radius:0 8px 8px 0;margin:10px 0}
.feat.star{background:#e7f4ed;border-color:#0a7a4f}.feat.bad{background:#fbeae6;border-color:#c0341d}
table{border-collapse:collapse;width:100%;margin:12px 0 4px;font-size:13px;background:#fff}
th,td{border:1px solid #d6dce3;padding:6px 9px;text-align:left}
th{background:#eceff3;color:#143b6b;font-weight:700}tr:nth-child(even) td{background:#f7f9fb}
.coef td,.coef th{text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap}
.coef .lab{background:#eceff3;color:#143b6b;font-weight:700;text-align:right}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:3px 14px;font-size:13.5px;margin:8px 0}
.kv dt{color:#5c6773}.kv dd{margin:0;font-variant-numeric:tabular-nums}
.ref{background:#fff7e6;border:1px solid #e7d49f;border-radius:7px;padding:5px 10px;margin:4px 0 14px;font-size:12.5px}
.ref a{font-family:"SF Mono",Menlo,monospace;font-size:11.5px}
.algoref{font-size:12px;color:#5c6773;margin:6px 0}.algoref a{margin-right:4px}
.pipe{display:flex;flex-wrap:wrap;gap:0;align-items:stretch;margin:14px 0;border:1px solid #d6dce3;border-radius:10px;padding:14px;background:#fafbfc}
.pb{background:#fff;border:1px solid #d6dce3;border-radius:8px;padding:8px 11px;text-align:center;font-size:12px;min-width:118px}
.pb b{display:block;color:#143b6b}.pb small{color:#5c6773}
.parr{display:flex;align-items:center;color:#0b62c4;font-size:18px;padding:0 7px}
.cite{color:#5c6773;font-size:11.5px;font-family:"SF Mono",Menlo,monospace}
footer{color:#5c6773;font-size:12px;border-top:1px solid #d6dce3;margin-top:40px;padding-top:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px;margin-top:16px}
.mcard{display:block;border:1px solid #d6dce3;border-radius:11px;padding:13px 15px;background:#fafbfc;color:inherit}
.mcard:hover{text-decoration:none;border-color:#0b62c4;background:#f2f7fd}
.mh{font-size:19px;font-weight:700;color:#16314f}.ms{font-size:12px;color:#5c6773;font-variant-numeric:tabular-nums;margin:2px 0 6px}.mf{font-size:12.5px}