@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Noto+Sans+SC:wght@400;500;600&family=Noto+Serif+SC:wght@500;600&display=swap");
:root{--bg:#07100f;--panel:#0b1716;--line:#29433e;--ink:#f2f7f5;--muted:#a5b9b4;--mint:#79e0c2;--lime:#c8f56b;--cyan:#7cd6ed;--warm:#ffc878;--danger:#ff8580;--sans:"Noto Sans SC","Microsoft YaHei UI",sans-serif;--serif:"Noto Serif SC",serif;--mono:"IBM Plex Mono",Consolas,monospace}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;color:var(--ink);background:radial-gradient(circle at 77% 8%,rgba(124,214,237,.08),transparent 30rem),linear-gradient(rgba(121,224,194,.025) 1px,transparent 1px),var(--bg);background-size:auto,100% 48px,auto;font-family:var(--sans)}a{color:inherit;text-decoration:none}button,select{color:var(--ink);font:inherit}
.site-header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 clamp(22px,5vw,72px);border-bottom:1px solid var(--line);background:rgba(5,13,12,.92)}.brand,.site-header nav{display:flex;align-items:center;gap:22px}.brand{gap:12px;font:600 12px var(--mono);letter-spacing:.12em}.brand-mark{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--lime);border-radius:50%;color:var(--lime)}.site-header nav a{color:var(--muted);font-size:14px}.site-header nav a:hover{color:var(--lime)}
main{width:min(1560px,calc(100% - 40px));margin:0 auto}.hero{min-height:315px;display:grid;grid-template-columns:1.3fr .7fr;align-items:end;gap:64px;padding:72px 0 46px}.eyebrow,.panel-label{color:var(--mint);font:600 12px var(--mono);letter-spacing:.13em}.hero h1{margin:16px 0 0;font:500 clamp(44px,6vw,80px)/1.16 var(--serif);letter-spacing:-.04em}.hero h1 em{color:var(--lime);font-style:normal}.hero p{margin:0 0 10px;color:var(--muted);font-size:17px;line-height:1.9}
.lab{overflow:hidden;border:1px solid #42635b;border-radius:12px;background:#081311;box-shadow:0 34px 90px #0006}.lab-head{display:flex;align-items:flex-end;justify-content:space-between;padding:21px 26px;border-bottom:1px solid var(--line)}.lab-head h2{margin:6px 0 0;font:500 24px var(--serif)}.step-readout{display:flex;gap:14px;align-items:baseline;font-family:var(--mono)}.step-readout span{color:var(--lime);font-size:12px}.step-readout strong{color:var(--muted);font-size:14px}
.case-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.case-tab{min-height:58px;border:0;border-right:1px solid var(--line);background:#0a1514;color:var(--muted);cursor:pointer}.case-tab:last-child{border-right:0}.case-tab:hover{color:var(--ink);background:#10201d}.case-tab.is-active{color:var(--ink);background:#13241f;box-shadow:inset 0 -3px var(--lime)}
.principle-lenses{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.principle-lenses article{padding:16px 20px;border-right:1px solid var(--line)}.principle-lenses article:last-child{border-right:0}.principle-lenses span{color:var(--mint);font:600 12px var(--mono)}.principle-lenses p{margin:8px 0 0;color:#c5d3cf;font-size:13px;line-height:1.65}
.lab-grid{display:grid;grid-template-columns:300px minmax(540px,1fr) 330px;min-height:690px}.explain-panel,.visual-panel,.inspect-panel{min-width:0;padding:28px}.explain-panel,.visual-panel{border-right:1px solid var(--line)}.explain-panel{display:flex;flex-direction:column}.phase{color:var(--mint);font:600 12px var(--mono);letter-spacing:.1em}.explain-panel h2{margin:15px 0;font:500 34px/1.3 var(--serif)}.explain-panel>p{margin:0;color:#d0ddda;font-size:16px;line-height:1.85}.change-box,.why-box{margin-top:22px;padding:15px 16px;border-left:2px solid var(--cyan);background:#0d1d1b}.why-box{border-left-color:var(--lime)}.change-box span,.why-box span{color:var(--cyan);font:600 12px var(--mono)}.why-box span{color:var(--lime)}.change-box p,.why-box p{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.7}.article-link{margin-top:auto;padding-top:26px;color:var(--mint);font:500 12px var(--mono)}
.visual-panel{background:radial-gradient(circle at 50% 22%,rgba(121,224,194,.07),transparent 24rem),#091513}.visual-head{display:flex;justify-content:space-between;align-items:flex-start}.visual-head h2{margin:6px 0 0;font:500 25px var(--serif)}.visual-head>strong{color:var(--lime);font:600 14px var(--mono)}
.matrix-wrap{overflow-x:auto;margin-top:24px}.owner-matrix{width:100%;border-collapse:collapse;font-size:13px}.owner-matrix th,.owner-matrix td{height:50px;padding:10px 12px;border:1px solid var(--line);text-align:center}.owner-matrix th{color:var(--muted);background:#0a1514;font:500 12px var(--mono)}.owner-matrix td:first-child{text-align:left;font-family:var(--mono)}.owner-matrix .owned{color:#07100f;background:var(--lime);font-weight:600}.owner-matrix .disposed{color:var(--danger)}
.pipeline{display:grid;grid-template-columns:1fr auto 1fr auto 1.2fr auto 1fr;align-items:center;gap:8px;margin:22px 0}.pipeline div{min-height:74px;display:grid;place-content:center;text-align:center;border:1px solid var(--line);border-radius:6px;background:#0c1a18}.pipeline span{color:var(--muted);font:9px var(--mono)}.pipeline strong{margin-top:7px;color:var(--lime);font:600 22px var(--mono)}.pipeline i{color:var(--mint);font-style:normal}
.entry-card{padding:17px;border:1px solid #3b5c54;border-radius:7px;background:#0c1a18}.entry-card>div{display:flex;justify-content:space-between;gap:18px}.entry-card>div span{color:var(--mint);font:600 12px var(--mono)}.entry-card>div strong{color:var(--lime);font:500 12px var(--mono)}.entry-card dl{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0 0}.entry-card dl div{padding:10px;border:1px solid var(--line);border-radius:5px}.entry-card dt{color:var(--muted);font-size:12px}.entry-card dd{margin:7px 0 0;font:500 12px var(--mono)}
.event-log{max-height:145px;overflow:auto;margin:18px 0 0;padding:14px 14px 14px 34px;border:1px solid var(--line);border-radius:7px;color:#c9d6d2;background:#08110f;font:11px/1.75 var(--mono)}
.inspect-panel{display:flex;flex-direction:column;gap:24px;background:#091311}.metrics{display:grid;grid-template-columns:1fr auto;gap:11px 14px;margin:15px 0 0}.metrics div{display:contents}.metrics dt{color:var(--muted);font-size:13px}.metrics dd{margin:0;font:500 12px var(--mono);text-align:right}.code-block{margin-top:auto;overflow:hidden;border:1px solid var(--line);border-radius:7px;background:#07100f}.code-head{display:flex;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line);color:var(--muted);font:9px var(--mono)}.code-head strong{color:var(--mint)}#code-lines{margin:0;padding:13px 12px 13px 45px;font:11px/1.72 var(--mono);white-space:pre;overflow:auto}#code-lines li{padding:1px 7px;color:#93aaa4}#code-lines li.is-active{color:var(--ink);background:#16302a;box-shadow:inset 2px 0 var(--lime)}
.controls{display:grid;grid-template-columns:150px 1fr auto;align-items:end;gap:18px;padding:17px 22px;border-top:1px solid var(--line);background:#0b1715}.controls>label{display:grid;gap:6px;color:var(--muted);font:500 12px var(--mono)}select{min-height:36px;padding:0 10px;border:1px solid #3c5651;border-radius:5px;background:#0d1c1a}.step-dots{display:flex;justify-content:center;gap:7px;padding-bottom:12px}.lab-dot{width:9px;height:9px;padding:0;border:1px solid #547069;border-radius:50%;background:transparent;cursor:pointer}.lab-dot.is-past{border-color:var(--mint);background:#346b5c}.lab-dot.is-active{border-color:var(--lime);background:var(--lime);transform:scale(1.25)}.control-buttons{display:flex;gap:8px}.control-buttons button{min-height:42px;padding:0 15px;border:1px solid #45615b;border-radius:5px;background:#101f1d;cursor:pointer}.control-buttons button:disabled{opacity:.36}.control-buttons .auto-button.is-playing{color:#07100f;border-color:var(--warm);background:var(--warm)}.control-buttons .next-button{color:#07100f;border-color:var(--lime);background:var(--lime);font-weight:600}button:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.notes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:70px 0 90px;border:1px solid var(--line);background:var(--line)}.notes article{min-height:210px;padding:28px;background:var(--bg)}.notes span{color:var(--mint);font:600 12px var(--mono)}.notes h2{margin:20px 0 12px;font:500 24px var(--serif)}.notes p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
@media(max-width:1180px){.lab-grid{grid-template-columns:280px 1fr}.inspect-panel{grid-column:1/-1;border-top:1px solid var(--line);display:grid;grid-template-columns:.7fr 1.3fr}.code-block{margin-top:0}.principle-lenses{grid-template-columns:repeat(2,1fr)}}@media(max-width:780px){main{width:calc(100% - 24px)}.site-header{padding:16px 18px}.site-header nav{flex-wrap:wrap;justify-content:flex-end}.hero{min-height:0;grid-template-columns:1fr;gap:22px;padding:50px 0 34px}.hero h1{font-size:clamp(38px,12vw,58px)}.case-tabs,.principle-lenses,.notes{grid-template-columns:1fr}.case-tab,.principle-lenses article{border-right:0;border-bottom:1px solid var(--line)}.lab-grid{display:block}.explain-panel,.visual-panel{border-right:0;border-bottom:1px solid var(--line)}.pipeline{grid-template-columns:1fr 1fr}.pipeline i{display:none}.entry-card dl{grid-template-columns:1fr}.inspect-panel{display:flex}.controls{grid-template-columns:1fr}.step-dots{order:-1}.control-buttons{display:grid;grid-template-columns:1fr 1fr}}