:root{--ink:#14202b;--mut:#5b6773;--line:#e3e7ec;--bg:#f7f8fa;--card:#fff;--pri:#0b5cad;--pri2:#e8f1fb;--ok:#1e7d3a;--warn:#a35f00;--bad:#b3261e;--rad:10px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:6px;z-index:9}
header.top{background:#0d2238;color:#fff;position:sticky;top:0;z-index:5}
.bar{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:10px 16px;flex-wrap:wrap}
.logo{color:#fff;font-weight:800;font-size:18px;letter-spacing:.5px}.logo span{color:#7cc4ff}
nav.main{display:flex;gap:4px;flex-wrap:wrap}nav.main a{color:#d6e4f2;padding:5px 9px;border-radius:6px;font-size:14px}nav.main a:hover,nav.main a.on{background:#1d3b5c;color:#fff;text-decoration:none}
.bar form{margin-left:auto;display:flex}.bar input{width:220px;border:0;border-radius:6px 0 0 6px;padding:7px 10px;font-size:14px}.bar button{border:0;background:#2b7bd0;color:#fff;border-radius:0 6px 6px 0;padding:0 12px;cursor:pointer}
.langs a{color:#9fb6cc;font-size:13px;margin-left:6px}.langs a.on{color:#fff;font-weight:700}
.menu{display:none;background:none;border:1px solid #567;color:#fff;border-radius:6px;padding:4px 9px}
main{max-width:1200px;margin:0 auto;padding:18px 16px 40px}
h1{font-size:28px;line-height:1.3;margin:6px 0 10px}h2{font-size:20px;margin:26px 0 10px}h3{font-size:16px;margin:14px 0 6px}
.lead{color:var(--mut);font-size:16px;max-width:820px}
.crumbs{font-size:13px;color:var(--mut);margin-bottom:6px}.crumbs a{color:var(--mut)}.crumbs span+span:before{content:" › "}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:16px 18px;margin:0 0 14px}
.grid.adv{grid-template-columns:repeat(5,1fr)}@media(max-width:1100px){.grid.adv{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.g2{display:grid;gap:16px;grid-template-columns:1fr 1fr}.g3{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
.tile{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:14px 16px;color:var(--ink);transition:transform .15s,box-shadow .15s}
.tile:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(10,40,80,.08);text-decoration:none}
.tile b{display:block;font-size:16px}.tile small{color:var(--mut)}
.hero{background:linear-gradient(135deg,#0d2238,#124a80);color:#fff;border-radius:14px;padding:28px 26px;margin-bottom:18px}
.hero h1{color:#fff;font-size:30px}.hero .lead{color:#cfe0f0}
.hero form{display:flex;max-width:640px;margin-top:14px}.hero input{flex:1;padding:12px 14px;font-size:16px;border:0;border-radius:8px 0 0 8px}.hero button{border:0;background:#2b7bd0;color:#fff;padding:0 20px;font-size:16px;border-radius:0 8px 8px 0;cursor:pointer}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:18px}.stats div{background:rgba(255,255,255,.08);border-radius:8px;padding:10px 12px}.stats b{display:block;font-size:22px}.stats small{color:#bcd}
.adv{border-top:4px solid var(--pri)}.adv h3{margin-top:0}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}th{background:#f1f4f7;font-weight:600}
.tw{overflow-x:auto}
.tag{display:inline-block;font-size:12px;line-height:1.5;padding:1px 8px;border-radius:20px;background:#eef2f6;color:#344;margin:1px 2px;white-space:nowrap}
.t-ok{background:#e3f4e8;color:var(--ok)}.t-warn{background:#fff3df;color:var(--warn)}.t-bad{background:#fde8e6;color:var(--bad)}.t-pri{background:var(--pri2);color:var(--pri)}
.mut{color:var(--mut);font-size:13px}.small{font-size:13px}
.btn{display:inline-block;background:var(--pri);color:#fff;border:0;border-radius:7px;padding:7px 14px;font-size:14px;cursor:pointer}.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:#fff;color:var(--pri);border:1px solid var(--pri)}
input,select{font:inherit;padding:7px 9px;border:1px solid #c9d1da;border-radius:7px;background:#fff}
label{font-size:13px;color:var(--mut);display:block}
.form-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.note{background:#fff8e6;border-left:4px solid #e0a800;padding:10px 14px;border-radius:6px;font-size:14px;margin:12px 0}
.disc{background:#eef4fb;border-left:4px solid var(--pri);padding:10px 14px;border-radius:6px;font-size:13px;color:#33475b;margin:14px 0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}.facts div{background:#f6f9fc;border:1px solid var(--line);border-radius:8px;padding:10px 12px}.facts b{display:block;font-size:20px}
.bar-o{position:relative;height:10px;background:#edf0f3;border-radius:6px;min-width:90px;overflow:hidden}.bar-o i{position:absolute;left:0;top:0;bottom:0;background:var(--pri);border-radius:6px}
.bar-o i.hi{background:var(--bad)}.bar-o i.mid{background:var(--warn)}
.hist{display:flex;align-items:flex-end;height:120px;gap:2px;position:relative;margin:8px 0 2px;border-bottom:1px solid #aab}
.hist span{flex:1;background:#8fb6de;border-radius:2px 2px 0 0;min-height:1px}
.hist .mk{position:absolute;bottom:-4px;top:-6px;width:2px;background:var(--ok)}.hist .mk.ul{background:var(--bad)}.hist .mk.you{background:#000;width:3px}
.hist .mk em{position:absolute;top:-18px;left:3px;font-size:11px;font-style:normal;white-space:nowrap;color:#223}
.axis{display:flex;justify-content:space-between;font-size:12px;color:var(--mut)}
details summary{cursor:pointer}
.score{font-weight:800;font-size:18px}
.rankn{display:inline-block;min-width:34px;text-align:center;font-weight:800;color:#fff;background:var(--pri);border-radius:6px;padding:2px 6px}
footer.site{border-top:1px solid var(--line);background:#fff;padding:20px 16px;font-size:13px;color:var(--mut)}footer.site .in{max-width:1200px;margin:0 auto}
/* mechanism player */
.mech{background:#0f1f30;border-radius:14px;padding:14px;color:#e8f0f8}
.mech svg{width:100%;height:auto;display:block}
.mech .cap{min-height:52px;font-size:16px;padding:8px 6px 4px}.mech .cap b{color:#7cc4ff;margin-right:6px}
.mech .ctl{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.mech .ctl button{background:#1e3a57;color:#fff;border:0;border-radius:6px;padding:5px 11px;cursor:pointer;font-size:13px}
.mech .dots{display:flex;gap:5px;margin-left:auto}.mech .dots i{width:9px;height:9px;border-radius:50%;background:#3b5674;display:block;cursor:pointer}.mech .dots i.on{background:#7cc4ff}
.mech .node circle.ring{fill:#17324d;stroke:#3d6283;stroke-width:2;transition:all .35s}
.mech .node.past circle.ring{stroke:var(--mc,#7cc4ff);opacity:.85}
.mech .node.on circle.ring{fill:#1c4a74;stroke:var(--mc,#7cc4ff);stroke-width:4;filter:drop-shadow(0 0 8px var(--mc,#7cc4ff))}
.mech .node text{fill:#cfe0f0;font-size:13px;text-anchor:middle}.mech .node.on text{fill:#fff;font-weight:700}
.mech .node .ic{stroke:#cfe0f0;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.mech .node.on .ic{stroke:#fff}
.mech .path{stroke:#2c4d6e;stroke-width:3;fill:none;stroke-dasharray:6 7;animation:dash 1.2s linear infinite}
.mech .done{stroke-dasharray:3000;stroke-dashoffset:3000;stroke:var(--mc,#7cc4ff);stroke-width:4;fill:none;transition:stroke-dashoffset .9s ease}
@keyframes dash{to{stroke-dashoffset:-26}}
.mech .steps-all{display:none}
@media (prefers-reduced-motion:reduce){.mech .path{animation:none}.mech .pcl{display:none}.mech .steps-all{display:block}}
.mech-mini{background:#0f1f30;border-radius:10px;padding:8px}
/* ownership graph */
.og{background:#fbfcfe;border:1px solid var(--line);border-radius:12px;padding:8px}.og svg{width:100%;height:auto}
.og .nd rect{fill:#fff;stroke:#9db3c9;stroke-width:1.5;rx:8}.og .nd.self rect{fill:#e8f1fb;stroke:var(--pri);stroke-width:2.5}.og .nd.parent rect{fill:#f3f0fb;stroke:#7d63c4}.og .nd.brand rect{fill:#f2faf4;stroke:#57a26c}
.og .nd text{font-size:13px;text-anchor:middle;fill:#14202b}.og .nd .k{font-size:10.5px;fill:#5b6773}
.og .eg{stroke:#7d8fa3;stroke-width:2;fill:none;marker-end:url(#arr);stroke-dasharray:400;stroke-dashoffset:400;animation:draw 1.1s ease forwards}
.og .eg.unv{stroke:#d08b00;stroke-dasharray:6 5;animation:none}
@keyframes draw{to{stroke-dashoffset:0}}
.cmp th:first-child,.cmp td:first-child{position:sticky;left:0;background:#fff;z-index:1;min-width:130px}
#cmp-tray{position:fixed;right:14px;bottom:14px;background:#0d2238;color:#fff;border-radius:10px;padding:8px 12px;font-size:14px;display:none;z-index:9;box-shadow:0 6px 18px rgba(0,0,0,.2)}#cmp-tray a{color:#7cc4ff;margin-left:8px}
.ac{position:relative}.ac ul{position:absolute;z-index:6;background:#fff;border:1px solid var(--line);list-style:none;margin:2px 0 0;padding:0;width:100%;max-height:300px;overflow:auto;border-radius:8px}.ac ul:empty{display:none}.ac li{padding:7px 10px;cursor:pointer;font-size:14px}.ac li:hover{background:var(--pri2)}
@media(max-width:860px){.mech .node text{font-size:22px}.g2,.g3{grid-template-columns:1fr}h1{font-size:23px}.hero h1{font-size:24px}
 .menu{display:inline-block;margin-left:auto}nav.main{display:none;width:100%}nav.main.open{display:flex}.bar form{width:100%;margin-left:0}.bar input{flex:1;width:auto}}
.mech-mini .ic{stroke:#e8f0f8;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.mech-mini{width:100%;height:auto;display:block}