:root{
  --bg:#ffffff; --panel:#f7f5fb; --fg:#142238; --muted:#626172; --subtle:#928da6;
  --line:#e9e6ef; --orange:#7350e9; --orange-soft:#a48bf2; --blue:#2e8a72; --gray:#a7a0b9;
  --font-body:"Space Grotesk","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Consolas,"PingFang SC",monospace;
  --font-display:"Atlas Display","Atlas Han","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.55 var(--font-body);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);z-index:50}
.site-in{display:flex;align-items:center;gap:30px;height:66px}
.brand{display:flex;align-items:center;gap:13px}
.mark{width:34px;height:34px;border:1px solid var(--line);display:grid;place-items:center;color:var(--orange);font:700 17px var(--font-mono);background:var(--panel)}
.brand .bt b{display:block;font:700 15px/1.1 var(--font-mono);letter-spacing:.18em}
.brand .bt small{display:block;color:var(--muted);font-size:11px;letter-spacing:.1em;margin-top:3px}
nav.main{display:flex;gap:26px;margin-left:auto}
nav.main a{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px}
nav.main a:hover,nav.main a.on{color:var(--orange)}
.dots{width:11px;height:11px;background-image:radial-gradient(currentColor 1px,transparent 1.3px);background-size:5.5px 5.5px;opacity:.85}
.snap{color:var(--subtle);font:11px var(--font-mono);letter-spacing:.12em;border-left:1px solid var(--line);padding-left:20px;white-space:nowrap}

/* ---------- hero ---------- */
.hero{padding:76px 0 12px}
.eyebrow{font:11px var(--font-mono);color:var(--muted);letter-spacing:.42em;text-transform:uppercase}
h1{font-family:var(--font-display);font-weight:900;font-size:clamp(42px,6.4vw,74px);letter-spacing:-.045em;line-height:1.05;margin:20px 0 22px}
.lede{color:var(--muted);font-size:16px;max-width:60em;margin:0}
.lede b{color:var(--fg);font-weight:600}
.statline{display:flex;flex-wrap:wrap;border:1px solid var(--line);margin-top:40px;background:#faf9fc}
.stat{padding:16px 26px;border-right:1px solid var(--line);min-width:150px}
.stat:last-child{border-right:none}
.stat small{display:block;font:10px var(--font-mono);letter-spacing:.22em;color:var(--subtle);text-transform:uppercase;margin-bottom:6px}
.stat b{font:600 21px var(--font-mono);letter-spacing:-.02em}
.stat b i{font-style:normal;color:var(--orange)}

/* ---------- controls ---------- */
.controls{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:52px;border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:32px}
.tabs button{background:none;border:none;color:var(--muted);font:13px var(--font-body);padding:17px 0 15px;border-bottom:2px solid transparent;cursor:pointer;letter-spacing:.02em}
.tabs button:hover{color:var(--fg)}
.tabs button.on{color:var(--orange);border-color:var(--orange)}
.filters{margin-left:auto;display:flex;align-items:center;gap:20px;padding:12px 0}
.chk{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12.5px;cursor:pointer;user-select:none}
.chk .box{width:15px;height:15px;border:1px solid var(--subtle);display:inline-grid;place-items:center;background:var(--panel)}
.chk input{display:none}
.chk input:checked + .box{background:var(--orange);border-color:var(--orange)}
.chk input:checked + .box::after{content:"";width:7px;height:7px;background:#ffffff;display:block}
.seg{display:flex;border:1px solid var(--line)}
.seg button{background:var(--panel);color:var(--muted);border:none;font:12px var(--font-mono);padding:9px 15px;cursor:pointer;letter-spacing:.04em}
.seg button + button{border-left:1px solid var(--line)}
.seg button.on{background:#edeaf6;color:var(--fg)}
.searchrow{display:flex;gap:18px;padding:24px 0 6px;align-items:center}
.searchrow input{flex:0 1 580px;background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:12px 15px;font-size:14px;border-radius:4px;outline:none;font-family:var(--font-body)}
.searchrow input:focus{border-color:var(--orange)}
.searchrow input::placeholder{color:var(--subtle)}
.count{color:var(--subtle);font:11.5px var(--font-mono);letter-spacing:.08em;margin-left:auto}

/* ---------- legend + rows ---------- */
.legend{display:grid;grid-template-columns:52px 1.25fr 1fr 1fr 1fr 215px;gap:18px;padding:28px 0 12px;color:var(--subtle);font:10.5px var(--font-mono);letter-spacing:.16em}
.legend .sq{display:inline-block;width:8px;height:8px;background:var(--orange);margin-right:7px;vertical-align:0}
.legend .sq.hollow{background:transparent;border:1px dashed var(--muted)}
.legend .sq.soft{background:var(--orange-soft)}
.legend .rng{display:block;margin-top:5px;color:var(--subtle);letter-spacing:.1em}
ol.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
li.row{border-bottom:1px solid var(--line)}
li.row:hover{background:#f7f5fb}
.rowin{display:grid;grid-template-columns:52px 1.25fr 1fr 1fr 1fr 215px;gap:18px;padding:21px 0;align-items:center;cursor:pointer}
.idx{font:13px var(--font-mono);color:var(--subtle)}
.who{min-width:0}
.who h3{margin:0;font-size:17px;font-weight:600;letter-spacing:-.012em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who h3 a:hover{color:var(--orange)}
.who .meta{color:var(--muted);font:11.5px var(--font-mono);margin-top:6px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who .meta b{color:#3d3b52;font-weight:500}
.bar .val{text-align:right;font:15px var(--font-mono);margin-bottom:8px;letter-spacing:-.01em}
.bar .track{height:9px;background:#efeaf7;position:relative}
.bar.ghostcol .track{background:transparent;border:1px dashed var(--muted)}
.bar .fill{position:absolute;top:0;bottom:0;left:0;background:var(--orange)}
.bar .fill.soft{background:var(--orange-soft)}
.bar .fill.ghost{background:var(--gray)}
.tags{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.badges{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.badge{font:10.5px var(--font-mono);padding:3px 8px;border:1px solid var(--line);color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.badge.arch{color:var(--orange);border-color:rgba(115,80,233,.35)}
.badge.lic-permissive{color:var(--blue);border-color:rgba(46,138,114,.35)}
.badge.lic-community{color:#b47a35;border-color:rgba(180,122,53,.4)}
.badge.lic-nc{color:var(--fg);border-color:var(--subtle)}
.hflink{font:11px var(--font-mono);color:var(--subtle)}
.hflink:hover{color:var(--orange)}
.empty{padding:56px 0;color:var(--subtle);font:13px var(--font-mono);letter-spacing:.1em;text-align:center}

/* ---------- detail ---------- */
.detail{display:grid;grid-template-rows:0fr;opacity:0;visibility:hidden;border-top:0 solid var(--line);background:var(--panel);padding:0;transition:grid-template-rows .34s cubic-bezier(.22,.8,.24,1),opacity .22s ease,padding .34s ease,visibility .34s ease}
.detail.open{grid-template-rows:1fr;opacity:1;visibility:visible;border-top:1px dashed var(--line);padding:20px 0 24px}
.detail>.wrap{min-height:0;overflow:hidden}
.detail .din{display:grid;grid-template-columns:minmax(340px,1.1fr) 1fr;gap:30px}
table.ptab{width:100%;border-collapse:collapse;font:12px var(--font-mono)}
.ptab th,.ptab td{border:1px solid var(--line);padding:8px 11px;text-align:left}
.ptab th{color:var(--subtle);font-weight:400;letter-spacing:.1em;font-size:10.5px;background:#f5f3fa}
.ptab td.num{text-align:right}
.ptab tr.hl td{color:var(--orange)}
.dlist{list-style:none;margin:0;padding:0;color:var(--muted);font-size:12.5px}
.dlist li{padding:6px 0;border-bottom:1px dashed #e3dff0;display:flex;gap:10px;justify-content:space-between;gap:16px}
.dlist li span:first-child{color:var(--subtle);font:10.5px/1.9 var(--font-mono);letter-spacing:.14em;white-space:nowrap}
.dlist li span:last-child{text-align:right;min-width:0;overflow-wrap:anywhere}
.dlist a:hover{color:var(--orange)}
.dnotes{grid-column:1 / -1;color:var(--muted);font-size:12.5px;border-top:1px dashed #e3dff0;padding-top:12px;margin-top:2px}
.dnotes b{color:var(--orange);font-weight:500}

/* ---------- deploy calculator ---------- */
.dep-intro{color:var(--muted);font-size:13px;max-width:74em;margin:0 0 22px}
.dep-grid{display:grid;grid-template-columns:2fr 1.7fr 1.5fr 1.5fr;gap:18px;margin-bottom:22px}
.dep-ctl label{display:block;font:10.5px var(--font-mono);letter-spacing:.18em;color:var(--subtle);text-transform:uppercase;margin-bottom:8px}
.dep-ctl label b{color:var(--orange);font-weight:600}
.dep-ctl select{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:11px 12px;border-radius:4px;font:13.5px var(--font-body);outline:none}
.dep-ctl select:focus{border-color:var(--orange)}
.dep-ctl input[type=range]{width:100%;accent-color:var(--orange)}
#depPrec{display:flex;border:1px solid var(--line)}
#depPrec button{flex:1;background:var(--panel);border:none;color:var(--muted);font:12px var(--font-mono);padding:10px 4px;cursor:pointer;white-space:nowrap}
#depPrec button+button{border-left:1px solid var(--line)}
#depPrec button.on{background:#edeaf6;color:var(--fg)}
#depPrec button:disabled{color:var(--subtle);cursor:not-allowed;opacity:.55;text-decoration:line-through}
.avtag{font-size:9px;margin-left:5px;padding:1px 4px;border:1px solid;letter-spacing:.04em}
.av-off{color:var(--blue);border-color:rgba(46,138,114,.4)}
.av-com{color:#b47a35;border-color:rgba(180,122,53,.4)}
.dep-result{display:flex;gap:36px;align-items:center;flex-wrap:wrap;border:1px solid var(--line);background:#faf9fc;padding:20px 24px;margin-bottom:20px}
.dep-kpi small{display:block;font:10px var(--font-mono);letter-spacing:.2em;color:var(--subtle);text-transform:uppercase;margin-bottom:7px}
.dep-kpi b{font:600 25px var(--font-mono);letter-spacing:-.02em}
.dep-kpi b i{font-style:normal;font-size:12.5px;color:var(--muted)}
.dep-note{width:100%;color:var(--muted);font-size:12px;border-top:1px dashed #e3dff0;padding-top:12px;margin:0}
.dep-note.off{color:#b47a35}
.dep-table{margin-bottom:6px}
.dep-table tr.offdim td{color:var(--subtle)}

/* ---------- notes / footer ---------- */
section.notes{border-top:1px solid var(--line);margin-top:64px;padding:46px 0 8px}
.notes h2{font:12px var(--font-mono);letter-spacing:.34em;color:var(--muted);text-transform:uppercase;margin:0 0 20px}
.notes ol{margin:0;padding-left:20px;color:var(--muted);font-size:13px;max-width:72em}
.notes li{margin-bottom:9px}
.notes code{font:12px var(--font-mono);color:var(--blue);background:var(--panel);padding:1px 6px;border:1px solid var(--line)}
footer{background:#f7f5fb;border-top:1px solid var(--line);margin-top:70px;padding:46px 0 56px}
.foot{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
.foot .fb b{font:700 14px var(--font-mono);letter-spacing:.18em}
.foot .fb small{display:block;color:var(--subtle);margin-top:6px;font-size:11.5px;max-width:34em}
.foot nav{display:flex;gap:44px}
.foot nav div b{display:block;font:10.5px var(--font-mono);letter-spacing:.22em;color:var(--subtle);text-transform:uppercase;margin-bottom:12px}
.foot nav a{display:block;color:var(--muted);font-size:12.5px;margin-bottom:8px}
.foot nav a:hover{color:var(--orange)}
.copyright{color:var(--subtle);font:11px var(--font-mono);letter-spacing:.1em;margin-top:44px;border-top:1px solid #e3dff0;padding-top:18px}

@media (max-width:980px){
  nav.main{display:none}
  .rowin,.legend{grid-template-columns:36px 1.5fr 1fr;grid-template-rows:auto auto}
  .legend .lg4{display:none}
  .b2,.b3,.lg8,.lg3{display:none}
  .tags{grid-column:2 / 4;flex-direction:row;justify-content:flex-start;align-items:center;flex-wrap:wrap}
  .detail .din{grid-template-columns:1fr}
  .snap{display:none}
  .who h3{white-space:normal}
}
/* ---------- lightweight motion: one-time reveals + transform-only bar growth ---------- */
/* More opaque sticky header avoids the repaint cost of full-screen backdrop blur. */
header.site{background:rgba(255,255,255,.98);backdrop-filter:none}
.brand .mark{transition:transform .22s ease,background-color .22s ease,border-color .22s ease}
.brand:hover .mark{transform:rotate(-8deg) scale(1.05);background:#ede8ff;border-color:#cdbffd}
nav.main a{position:relative;transition:color .18s ease}
nav.main a::after{content:"";position:absolute;left:0;right:0;bottom:-21px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease}
nav.main a:hover::after,nav.main a.on::after{transform:scaleX(1)}
.hero{position:relative}
.eyebrow::before{content:"";display:inline-block;width:18px;height:2px;background:var(--orange);vertical-align:middle;margin-right:12px}
h1 .title-accent{background:linear-gradient(105deg,#7350e9 5%,#8c66e9 62%,#2e8a72 125%);background-clip:text;-webkit-background-clip:text;color:transparent}
.stat{transition:background-color .2s ease}
.stat:hover{background:#f2effb}
.tabs button,.seg button,.dep-ctl select,.searchrow input{transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease}
.tabs button:hover{color:var(--orange)}
.seg button:not(:disabled):hover{background:#eae4fb;color:var(--orange)}
.searchrow input:focus{box-shadow:0 0 0 3px rgba(115,80,233,.095)}
li.row{position:relative;transition:background-color .18s ease}
li.row::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--orange);transform:scaleY(0);transform-origin:center;transition:transform .2s ease;pointer-events:none}
li.row:hover::before,li.row.expanded::before{transform:scaleY(1)}
li.row.expanded{background:#faf8ff}
.rowin{transition:padding-left .19s ease}
li.row:hover .rowin{padding-left:5px}
.rowin:focus-visible{outline:2px solid var(--orange);outline-offset:-2px}
.idx{display:flex;align-items:center;gap:8px}
.idx::after{content:"+";font:17px/1 var(--font-mono);color:var(--orange);opacity:.55;transition:transform .2s ease,opacity .2s ease}
li.row.expanded .idx::after{content:"−";opacity:1;transform:rotate(180deg)}
.bar .fill{transform-origin:left center;transition:transform .6s cubic-bezier(.19,1,.22,1)}
li.row.motion-bars .bar .fill{transform:scaleX(0)}
li.row.motion-bars.bar-visible .bar .fill{transform:scaleX(1)}
li.row:hover .bar .fill{filter:brightness(1.08)}
.badge{transition:border-color .2s ease,background-color .2s ease}
li.row:hover .badge.arch{background:rgba(115,80,233,.055)}
.dep-kpi b{transition:color .18s ease}
.dep-kpi:hover b{color:var(--orange)}
@keyframes hero-rise{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:translateY(0)}}
@keyframes stats-enter{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:no-preference){
  body.js-motion .hero .eyebrow{animation:hero-rise .48s both}
  body.js-motion .hero h1{animation:hero-rise .6s .07s both}
  body.js-motion .hero .lede{animation:hero-rise .62s .14s both}
  body.js-motion .statline{animation:stats-enter .62s .22s both}
  body.js-motion .notes.reveal-pending{opacity:0;transform:translateY(13px)}
  body.js-motion .notes{transition:opacity .48s ease,transform .48s ease}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Small-screen filters and KPI tiles remain readable without horizontal overflow. */
@media (max-width:640px){
  .wrap{padding-left:18px;padding-right:18px}
  .hero{padding-top:58px}
  h1{font-size:clamp(35px,9.2vw,47px)}
  .statline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{min-width:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 16px}
  .stat:nth-child(2n){border-right:0}
  .stat:last-child{grid-column:1/-1;border-right:0;border-bottom:0}
  .controls{gap:8px;margin-top:36px}
  .tabs{width:100%;justify-content:space-between;gap:14px}
  .tabs button{white-space:nowrap}
  .filters{margin-left:0;display:flex;flex-wrap:wrap;width:100%;gap:12px;padding:8px 0 13px}
  .chk{width:100%;font-size:12px}
  .seg{width:100%}
  .seg button{flex:1;min-width:0;white-space:nowrap;padding:10px 5px;font-size:11px}
  .searchrow{padding-top:18px}
  .searchrow input{min-width:0;flex:1}
  .count{font-size:10px;letter-spacing:0;white-space:nowrap}
  .rowin,.legend{gap:12px}
  .dep-grid{grid-template-columns:1fr 1fr;gap:15px}
  .dep-grid .dep-ctl:first-child{grid-column:1/-1}
  .dep-result{gap:18px;padding:16px}
  .dep-kpi b{font-size:20px}
}

/* ---------- merged refinements: Grok microinteractions, optimized ---------- */
/* Keep the six-column comparison table scrollable inside its own area on narrow screens. */
.dep-table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
.dep-table-scroll .dep-table{margin-bottom:6px}
.table-scroll-hint{display:none;color:var(--subtle);font:11px var(--font-mono);margin:6px 0 8px}
@media(max-width:640px){.table-scroll-hint{display:block}}
/* Underline is a single composited transform; the button itself never shifts. */
.tabs button{position:relative;border-bottom-color:transparent}
.tabs button.on{border-bottom-color:transparent}
.tabs button::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:center;
  transition:transform .28s cubic-bezier(.22,.9,.3,1);
  pointer-events:none
}
.tabs button.on::after{transform:scaleX(1)}

/* Motion is bounded to the first seven rows and triggered only once in view.
   The remaining rows and live search results appear immediately. */
@keyframes row-reveal{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:translateY(0)}
}
@media (prefers-reduced-motion:no-preference){
  body.js-motion .statline{animation:none}
  body.js-motion .stat{animation:stats-enter .50s cubic-bezier(.22,.9,.3,1) both}
  body.js-motion .stat:nth-child(1){animation-delay:.20s}
  body.js-motion .stat:nth-child(2){animation-delay:.27s}
  body.js-motion .stat:nth-child(3){animation-delay:.34s}
  body.js-motion .stat:nth-child(4){animation-delay:.41s}
  body.js-motion .stat:nth-child(5){animation-delay:.48s}
  body.js-motion li.row.row-enter-pending{opacity:0;transform:translateY(10px)}
  body.js-motion li.row.row-enter-pending.row-enter-active{
    animation:row-reveal .46s cubic-bezier(.22,.9,.3,1) var(--enter-delay,0ms) both
  }
}