.pick{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.pick select{font:inherit;padding:8px 10px;border:1px solid #cfd5e1;border-radius:8px;max-width:100%}.cols{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.col{border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}.col .hd{font-size:13px;color:var(--muted);margin-bottom:6px}.col blockquote{font-size:14px}.col table.xt{display:block;overflow-x:auto}.btn.sm{display:inline-block;padding:8px 14px;color:#fff;font-size:14px}.tw{overflow-x:auto}table.heat td,table.heat th{text-align:center;white-space:nowrap}table.heat td:first-child{text-align:left;white-space:normal}.nl{border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:28px 0;background:linear-gradient(135deg,#f4f5ff,#fff);display:grid;gap:6px}.nl p{margin:2px 0 0;color:var(--muted);font-size:14.5px}.nl .search{margin-top:8px}.nl.foot{background:none;border:0;padding:0;margin:0 0 18px}.nl.hero{background:none;border:0;padding:0;margin:18px 0 0}
:root{--ink:#0f172a;--muted:#5a6478;--line:#e3e7ee;--bg:#f6f7fb;--accent:#3346c9;--accent2:#eef0fd;--ok:#1d7a52;--okbg:#ecf7f1;--q:#9a6b00;--qbg:#fdf8ec}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.65 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header.site{background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:62px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;color:var(--ink);font-size:16px;letter-spacing:-.01em}.brand:hover{text-decoration:none}
.mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--accent),#6a7bff);display:inline-grid;place-items:center;color:#fff;font-size:13px;font-weight:800}
nav.main{display:flex;flex-wrap:wrap;gap:4px}nav.main a{color:#334155;font-size:14.5px;padding:7px 10px;border-radius:6px}nav.main a:hover,nav.main a.on{background:var(--accent2);color:var(--accent);text-decoration:none}
main{padding:34px 0 10px}h1{font-size:clamp(26px,3.6vw,38px);line-height:1.18;letter-spacing:-.02em;margin:0 0 12px}h2{font-size:22px;letter-spacing:-.01em;margin:34px 0 12px}
.lede{font-size:18px;color:var(--muted);max-width:760px;margin:0 0 18px}
.hero{background:radial-gradient(1200px 300px at 20% 0,#e9ecff,transparent),linear-gradient(180deg,var(--bg),#fff);border:1px solid var(--line);border-radius:18px;padding:52px 36px 40px;margin:0 0 30px}
.hero h1{font-size:clamp(30px,4.6vw,48px);max-width:820px}
.search{display:flex;gap:8px;max-width:640px;margin-top:22px}.search input,#q{flex:1;width:100%;font:inherit;padding:13px 16px;border:1px solid #cfd5e1;border-radius:10px;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.search input:focus,#q:focus{outline:2px solid #c7cdfa;border-color:var(--accent)}.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:0 20px;font-weight:600;cursor:pointer;font:inherit}
.stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:14px}.stats b{display:block;color:var(--ink);font-size:22px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{display:block;border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:#c3c9f3;box-shadow:0 4px 16px rgba(51,70,201,.08)}.card a{font-weight:650;color:var(--ink)}.card small{color:var(--muted);display:block;margin-top:4px}
.card.big{padding:22px}.card.big p{color:var(--muted);margin:6px 0 0;font-size:15px}
.tag{display:inline-block;background:var(--accent2);color:var(--accent);border-radius:999px;padding:1px 10px;margin:2px 3px 2px 0;font-size:12.5px;font-weight:500}
table{width:100%;border-collapse:collapse;font-size:14.5px}td,th{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--bg);font-weight:600}
.ex{background:var(--bg);padding:14px 16px;border-radius:10px;white-space:pre-wrap}
.cm{border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:14px 0;background:#fff}.cm .hd{font-size:13.5px;color:var(--muted);margin-bottom:8px}.cm h2{margin-top:0}
.q{background:var(--qbg);padding:12px 14px;border-radius:8px;margin:8px 0;border-left:3px solid #e2b13c}.a{background:var(--okbg);padding:12px 14px;border-radius:8px;margin:8px 0;border-left:3px solid #3aa676}
.oc{display:inline-block;font-size:12px;font-weight:600;padding:1px 9px;border-radius:999px;background:#eef1f5;color:#334155;margin-left:4px}
.tk{background:var(--accent2);padding:14px 16px;border-radius:10px;margin:10px 0 16px}
blockquote{margin:10px 0;padding:14px 18px;border-left:4px solid var(--accent);background:#fbfbfe;border-radius:0 10px 10px 0;font-family:Georgia,"Times New Roman",serif;font-size:15.5px;line-height:1.6}
blockquote p{margin:0 0 10px}table.xt{font-family:-apple-system,"Segoe UI",Roboto,sans-serif;font-size:13px;margin:8px 0;background:#fff}table.xt td{padding:4px 8px}
.res{margin-top:36px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.res h2{margin:0 0 8px;font-size:17px}.res ul{margin:0;padding-left:18px}.res li{margin:3px 0}
.res small,.muted{color:var(--muted)}footer.site{border-top:1px solid var(--line);margin-top:50px;padding:26px 0;font-size:13px;color:var(--muted);background:var(--bg)}
@media(max-width:700px){.hero{padding:30px 20px!important}nav.main{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px}nav.main a{white-space:nowrap}.hero{padding:36px 0 26px}table{font-size:13px;display:block;overflow-x:auto}.search{flex-direction:column}.btn{padding:12px}}