:root{
  --bg:#000000;
  --grid:rgba(255,255,255,.035);
  --accent:#4cc2ff;
  --accent-soft:rgba(76,194,255,.14);
  --accent-line:rgba(76,194,255,.42);
  --fg:#eef4f8;
  --fg-dim:rgba(238,244,248,.56);
  --fg-faint:rgba(238,244,248,.34);
  --line:rgba(255,255,255,.085);
  --line-strong:rgba(255,255,255,.17);
  --radius:14px;
  --ease:cubic-bezier(.16,1,.3,1);
  --font:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --panel-bg:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.006));
  --topbar-h:88px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--bg)}
body{
  min-height:100vh;color:var(--fg);font-family:var(--font);font-size:14px;line-height:1.55;
  background:var(--bg);display:grid;grid-template-rows:auto 1fr;height:100vh;overflow:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
button{font-family:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(76,194,255,.28)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.13);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.22)}
::-webkit-scrollbar-track{background:transparent}

.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,var(--grid) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(90deg,var(--grid) 0 1px,transparent 1px 64px);
  mask-image:radial-gradient(ellipse 120% 100% at 50% 0%,#000 30%,rgba(0,0,0,.55) 100%);
}
.grid-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(76,194,255,.07),transparent 70%);
}

.topbar{
  position:relative;z-index:2;height:var(--topbar-h);display:flex;align-items:center;gap:26px;
  padding:0 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.022),transparent);
}
.brand{display:flex;align-items:center;gap:9px;flex:none}
.brand-mark{
  width:16px;height:16px;border:1px solid var(--accent);border-radius:3px;position:relative;
  box-shadow:0 0 14px rgba(76,194,255,.35) inset;
}
.brand-mark::after{content:"";position:absolute;inset:4px;background:var(--accent);clip-path:polygon(0 0,100% 0,100% 42%,0 42%,0 100%,58% 100%,58% 58%,0 58%)}
.brand-name{font-size:13.5px;font-weight:650;letter-spacing:.14em}
.brand-latin{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--fg-faint)}
.brand-div{width:1px;height:14px;background:var(--line-strong);margin:0 3px}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:var(--fg-faint);text-transform:uppercase}
.title-block{flex:1;min-width:0;padding-left:2px}
.title-block h1{
  margin:0;font-size:26px;line-height:1.05;font-weight:600;letter-spacing:-.015em;
  display:flex;align-items:baseline;gap:1px;
}
.h1-tail{font-size:15px;color:var(--fg-faint);font-weight:500;letter-spacing:0}
.title-block p{margin:3px 0 0;font-size:11.5px;color:var(--fg-dim);letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.title-block sub{font-size:8px;vertical-align:baseline}
.top-meta{display:flex;gap:26px;flex:none}
.meta-cell{display:flex;flex-direction:column;gap:1px}
.mk{font-size:9.5px;letter-spacing:.17em;color:var(--fg-faint);text-transform:uppercase}
.mv{font-family:var(--mono);font-size:11.5px;color:rgba(238,244,248,.8)}

.board-layout{
  position:relative;z-index:1;display:grid;grid-template-columns:288px minmax(0,1fr) 380px;
  gap:14px;padding:14px 18px 16px;min-height:0;height:100%;
}
.panel{
  min-height:0;display:flex;flex-direction:column;gap:16px;padding:16px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-bg);
}
.panel-left{overflow:hidden}
.panel-right{overflow-y:auto;overflow-x:hidden;gap:14px}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.panel-head>span:first-child{font-size:12px;letter-spacing:.2em;color:rgba(238,244,248,.82)}
.ph-sub{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--fg-faint)}

.stage-nav{position:relative;display:flex;flex-direction:column;gap:2px}
.stage-nav::before{content:"";position:absolute;left:19px;top:18px;bottom:18px;width:1px;background:var(--line)}
.stage-btn{
  position:relative;display:grid;grid-template-columns:26px minmax(0,1fr) 3px;align-items:center;gap:11px;
  padding:9px 10px 9px 0;border-radius:10px;border:1px solid transparent;text-align:left;
  transition:background .4s var(--ease),border-color .4s var(--ease);
}
.stage-btn:hover{background:rgba(255,255,255,.035)}
.sb-num{
  font-family:var(--mono);font-size:10.5px;color:var(--fg-faint);text-align:center;padding:2px 0;
  background:var(--bg);position:relative;z-index:1;transition:color .4s var(--ease);
}
.sb-txt{display:flex;flex-direction:column;gap:1px;min-width:0}
.sb-txt b{font-size:12.5px;font-weight:550;letter-spacing:.02em;color:rgba(238,244,248,.8);transition:color .4s var(--ease)}
.sb-txt em{font-family:var(--mono);font-style:normal;font-size:8.5px;letter-spacing:.18em;color:var(--fg-faint)}
.sb-bar{width:3px;height:0;border-radius:3px;background:var(--accent);transition:height .5s var(--ease),box-shadow .5s var(--ease)}
.stage-btn[aria-selected="true"]{background:linear-gradient(90deg,rgba(76,194,255,.16),rgba(76,194,255,.015));border-color:var(--accent-line)}
.stage-btn[aria-selected="true"] .sb-num{color:var(--accent)}
.stage-btn[aria-selected="true"] .sb-txt b{color:#fff}
.stage-btn[aria-selected="true"] .sb-bar{height:22px;box-shadow:0 0 12px rgba(76,194,255,.6)}

.explode-block{border-top:1px solid var(--line);padding-top:13px}
.explode-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px}
.explode-head label{font-size:11px;letter-spacing:.14em;color:var(--fg-dim)}
#explode-out{font-family:var(--mono);font-size:11.5px;color:var(--accent)}
input[type="range"]#explode{
  -webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;margin:0;display:block;cursor:ew-resize;
}
#explode::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:rgba(255,255,255,.13)}
#explode::-webkit-slider-thumb{
  -webkit-appearance:none;width:11px;height:11px;border-radius:50%;background:var(--accent);margin-top:-4px;
  box-shadow:0 0 0 3px rgba(76,194,255,.16),0 0 14px rgba(76,194,255,.5);transition:box-shadow .3s var(--ease);
}
#explode:hover::-webkit-slider-thumb{box-shadow:0 0 0 5px rgba(76,194,255,.18),0 0 18px rgba(76,194,255,.65)}
#explode::-moz-range-track{height:3px;border-radius:3px;background:rgba(255,255,255,.13)}
#explode::-moz-range-thumb{width:11px;height:11px;border:0;border-radius:50%;background:var(--accent)}
.explode-scale{display:flex;justify-content:space-between;padding:3px 1px 0}
.explode-scale i{width:1px;height:4px;background:rgba(255,255,255,.18)}
.explode-hint{margin:6px 0 0;font-size:10px;line-height:1.45;color:var(--fg-faint)}
.explode-block[data-locked="true"] #explode{opacity:.55}

.panel-list{display:flex;flex-direction:column;gap:8px;min-height:0;flex:1}
.plist-head{display:flex;align-items:baseline;justify-content:space-between;font-size:10.5px;letter-spacing:.16em;color:var(--fg-faint)}
.plist-head span:last-child{font-family:var(--mono);font-size:9px;letter-spacing:.06em}
.plist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;overflow-y:auto;min-height:0;align-content:start}
.plist li{min-width:0}
.plist .prow{display:flex;align-items:baseline;gap:4px;min-width:0}
.plist li>button{display:flex;flex-direction:column;gap:1px;padding:5px 6px;border-radius:7px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.015);text-align:left}
.plist li>button{
  width:100%;transition:background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.plist li>button:hover{background:rgba(255,255,255,.045)}
.plist .pnum{font-family:var(--mono);font-size:8.5px;color:var(--fg-faint);line-height:1}
.plist .pname{font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;color:rgba(238,244,248,.88);line-height:1.1}
.plist .pfn{font-size:8.5px;line-height:1.25;color:var(--fg-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}
.plist .pio{font-family:var(--mono);font-size:9px;color:var(--fg-faint);border:1px solid var(--line);border-radius:4px;padding:0 4px}
.plist li>button[aria-current="true"]{background:linear-gradient(90deg,var(--accent-soft),transparent);border-color:var(--accent-line)}
.plist li>button[aria-current="true"] .pnum,.plist li>button[aria-current="true"] .pname{color:var(--accent)}
.plist .pdot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.5}
.panel-note{margin:0;font-size:10px;line-height:1.5;color:var(--fg-faint);border-top:1px solid var(--line);padding-top:10px}

.viewport-col{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:12px;min-height:0;min-width:0}
.viewport{
  position:relative;min-height:0;border:1px solid transparent;border-radius:var(--radius);overflow:hidden;
  background:#000;
}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#gl.is-dragging{cursor:grabbing}

.callout-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.callout-svg polyline{fill:none;stroke:rgba(238,244,248,.34);stroke-width:1;vector-effect:non-scaling-stroke}
.callout-svg polyline.is-active{stroke:var(--accent);stroke-width:1.4}
.callout-svg polyline.is-off{stroke-dasharray:2 4;stroke:rgba(238,244,248,.2)}
.callout-svg line.dim{stroke:rgba(76,194,255,.6);stroke-width:1}
.callout-svg line.dim-tick{stroke:rgba(76,194,255,.35);stroke-width:1}
.callout-svg text.dim-label{
  fill:rgba(238,244,248,.9);font-size:10px;font-family:var(--mono);letter-spacing:.04em;
  paint-order:stroke;stroke:#000;stroke-width:3px;stroke-linejoin:round;
}
.callout-svg circle.dot{fill:rgba(238,244,248,.7)}
.callout-svg circle.dot.is-active{fill:var(--accent)}
.callout-layer{position:absolute;inset:0;pointer-events:none}
.callout{
  position:absolute;pointer-events:auto;display:inline-flex;align-items:center;gap:5px;
  padding:2px 7px 2px 3px;height:20px;border:1px solid transparent;border-radius:6px;
  background:transparent;backdrop-filter:none;
  text-shadow:0 1px 3px rgba(0,0,0,.92),0 0 10px rgba(0,0,0,.75);
  font-family:var(--mono);font-size:10px;letter-spacing:.05em;color:rgba(238,244,248,.86);
  white-space:nowrap;transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease),transform .12s var(--ease);
}
.callout .cn{display:inline-flex;align-items:center;justify-content:center;min-width:13px;height:13px;padding:0 3px;border-radius:3px;background:rgba(255,255,255,.1);font-size:9px;color:rgba(238,244,248,.72)}
.callout:hover{border-color:transparent;background:transparent;color:#fff}
.callout.is-active{border-color:transparent;color:#fff;background:transparent;box-shadow:none}
.callout.is-active .cn{background:var(--accent);color:#001018}
.callout[data-off="1"]{opacity:.5;border-style:dashed}
.callout .cg{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.65}
.callout .cs{font-size:8.5px;color:var(--fg-faint);letter-spacing:.06em}

.vp-hud{position:absolute;display:flex;align-items:center;gap:10px;pointer-events:none;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--fg-dim)}
.vp-hud-left{top:14px;left:26px;flex-wrap:wrap;max-width:calc(100% - 220px)}
.hud-stage{color:var(--accent);letter-spacing:.14em}
.hud-name{color:rgba(238,244,248,.82);font-family:var(--font);font-size:11.5px;letter-spacing:.04em}
.hud-hint{color:var(--fg-faint);font-family:var(--font);font-size:10.5px;letter-spacing:.02em}
.vp-hud-right{top:13px;right:24px}
.fps{font-variant-numeric:tabular-nums;color:rgba(238,244,248,.5);border:1px solid var(--line);border-radius:5px;padding:2px 6px;background:rgba(0,0,0,.4)}
.fps[data-low="1"]{color:#ffb96b;border-color:rgba(255,185,107,.4)}

.ruler{position:absolute;left:26px;bottom:22px;pointer-events:none;display:flex;flex-direction:column;gap:5px;min-width:120px}
.ruler-row{display:flex;align-items:baseline;gap:8px}
.ruler-label{font-family:var(--mono);font-size:13px;color:rgba(238,244,248,.92);letter-spacing:.04em;text-shadow:0 1px 6px #000}
.ruler-vp{font-family:var(--mono);font-size:9px;color:var(--fg-faint);letter-spacing:.04em}
.ruler-bar-wrap{height:9px;position:relative;width:100%}
.ruler-bar{position:absolute;left:0;top:0;height:9px;border-left:1px solid rgba(238,244,248,.75);border-right:1px solid rgba(238,244,248,.75);transition:width .18s linear}
.ruler-bar::after{content:"";position:absolute;left:0;right:0;top:4px;height:1px;background:rgba(238,244,248,.55)}
.ruler-caption{font-size:9px;letter-spacing:.1em;color:var(--fg-faint);text-transform:uppercase}
.ruler[data-mode="dim"] .ruler-bar-wrap{display:none}
.ruler[data-mode="dim"] .ruler-label{font-size:11px;color:var(--fg-dim);letter-spacing:.08em}
.ruler[data-mode="dim"] .ruler-row{align-items:center}

.watermark{
  position:absolute;top:12px;right:20px;display:flex;align-items:center;gap:6px;z-index:6;
  padding:4px 9px;border:1px solid rgba(255,255,255,.18);border-radius:6px;
  background:rgba(0,0,0,.58);backdrop-filter:blur(5px);
  font-size:10px;letter-spacing:.13em;color:rgba(238,244,248,.7);pointer-events:none;
  opacity:0;transform:translateY(-4px);transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.watermark[data-on="1"]{opacity:1;transform:none}
.wm-dot{width:5px;height:5px;border-radius:50%;background:#ffb96b;box-shadow:0 0 8px rgba(255,185,107,.8)}

.load-error{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;background:rgba(0,0,0,.88);z-index:6}
.load-error[hidden]{display:none}
.le-title{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--accent)}
.le-body{margin:0;max-width:46ch;font-size:12px;line-height:1.7;color:var(--fg-dim)}
.le-retry{margin-top:4px;height:28px;padding:0 16px;border-radius:6px;border:1px solid rgba(76,194,255,.4);background:rgba(76,194,255,.1);color:var(--accent);font-family:var(--mono);font-size:11px;letter-spacing:.08em;cursor:pointer}
.le-retry:hover{background:rgba(76,194,255,.18)}

.fallback[hidden]{display:none}
.fallback{position:absolute;inset:0;z-index:7;padding:30px;overflow:auto;background:linear-gradient(180deg,rgba(0,0,0,.94),rgba(0,0,0,.98));display:flex;flex-direction:column;gap:10px}
.fallback h2{margin:0;font-size:15px;letter-spacing:.06em}
.fallback p{margin:0;font-size:12px;color:var(--fg-dim);max-width:56ch;line-height:1.6}
.fallback-body{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:6px;margin-top:6px}
.fb-cell{border:1px solid var(--line);border-radius:8px;padding:6px 9px;font-family:var(--mono);font-size:10.5px;color:rgba(238,244,248,.8)}
.fb-cell b{display:block;font-family:var(--font);font-size:9.5px;letter-spacing:.1em;color:var(--fg-faint);font-weight:400;margin-bottom:2px}

.bottombar{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;
  padding:11px 16px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,.006));
  min-height:64px;
}
.bb-lead{display:flex;align-items:center;gap:10px;padding-right:16px;border-right:1px solid var(--line)}
.bb-idx{font-family:var(--mono);font-size:19px;color:var(--accent);line-height:1;letter-spacing:-.02em}
.bb-title{display:flex;flex-direction:column;gap:0}
.bb-title b{font-size:12.5px;font-weight:550;letter-spacing:.04em;white-space:nowrap}
.bb-title em{font-family:var(--mono);font-style:normal;font-size:8.5px;letter-spacing:.16em;color:var(--fg-faint)}
.bb-desc{margin:0;font-size:11.5px;line-height:1.55;color:var(--fg-dim);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-height:2.9em}
.bb-nav{display:flex;align-items:center;gap:8px}
.ghost-btn{
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);
  border-radius:8px;color:var(--fg-dim);font-size:12px;transition:border-color .3s var(--ease),color .3s var(--ease),background .3s var(--ease);
}
.ghost-btn:hover:not(:disabled){border-color:var(--accent-line);color:#fff;background:rgba(76,194,255,.1)}
.ghost-btn:disabled{opacity:.3;cursor:not-allowed}
.bb-count{font-family:var(--mono);font-size:9.5px;color:var(--fg-faint);letter-spacing:.1em}

/* ---------- right panel ---------- */
.rp-head{display:flex;flex-direction:column;gap:5px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.rp-kicker{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--accent)}
.rp-kicker .bar{width:16px;height:1px;background:var(--accent);opacity:.6}
.rp-title{margin:0;font-size:16px;font-weight:550;letter-spacing:.005em;line-height:1.3}
.rp-sub{margin:0;font-size:11px;line-height:1.55;color:var(--fg-dim)}
.rp-section{display:flex;flex-direction:column;gap:7px}
.rp-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:9.5px;letter-spacing:.16em;color:var(--fg-faint)}
.rp-sec-head b{font-weight:400}
.rp-sec-head span{font-family:var(--mono);font-size:9px;letter-spacing:.05em}
.kv{display:grid;grid-template-columns:78px minmax(0,1fr);gap:4px 10px;font-size:11.5px}
.kv dt{color:var(--fg-faint);font-size:10.5px;letter-spacing:.06em}
.kv dd{margin:0;color:rgba(238,244,248,.88);font-family:var(--mono);font-size:11px;word-break:break-word}
.kv dd.cn{font-family:var(--font);font-size:11.5px}
.bullets{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px}
.bullets li{position:relative;padding-left:13px;font-size:11.5px;line-height:1.55;color:rgba(238,244,248,.8)}
.bullets li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:1px;background:var(--accent);opacity:.7}
.tag{display:inline-flex;align-items:center;gap:4px;padding:0 5px;height:15px;border-radius:4px;border:1px solid var(--accent-line);background:rgba(76,194,255,.1);font-size:9px;letter-spacing:.08em;color:var(--accent);font-family:var(--mono)}
.tag.warn{border-color:rgba(255,185,107,.45);background:rgba(255,185,107,.1);color:#ffb96b}
.tag.dim{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--fg-faint)}

.pin-hero{display:flex;align-items:flex-start;gap:12px;padding:12px;border:1px solid var(--line);border-radius:11px;background:linear-gradient(135deg,rgba(76,194,255,.1),rgba(255,255,255,.01))}
.pin-hero .ph-num{font-family:var(--mono);font-size:26px;line-height:1;color:var(--accent);letter-spacing:-.03em}
.pin-hero .ph-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.pin-hero .ph-name{font-family:var(--mono);font-size:16px;letter-spacing:.06em}
.pin-hero .ph-fn{font-size:11.5px;line-height:1.5;color:var(--fg-dim)}
.pin-hero .ph-io{display:flex;gap:6px;margin-top:2px}

.spec-table{width:100%;border-collapse:collapse;font-size:10.5px;font-variant-numeric:tabular-nums}
.spec-table th{
  text-align:right;font-weight:400;font-size:8.5px;letter-spacing:.12em;color:var(--fg-faint);
  padding:0 0 5px;border-bottom:1px solid var(--line);text-transform:uppercase;white-space:nowrap;
}
.spec-table th:nth-child(1){text-align:left}
.spec-table td{padding:5px 0;border-bottom:1px solid rgba(255,255,255,.05);text-align:right;font-family:var(--mono);color:rgba(238,244,248,.9);white-space:nowrap}
.spec-table td:first-child{text-align:left;font-family:var(--font);white-space:normal;color:rgba(238,244,248,.82)}
.spec-table tr:hover td{background:rgba(255,255,255,.025)}
.spec-sym{display:block;font-size:9px;color:var(--fg-faint);font-family:var(--mono);letter-spacing:.04em;margin-top:1px}
.spec-cond{display:block;font-size:9px;color:var(--fg-faint);font-family:var(--font);letter-spacing:.01em;margin-top:2px;white-space:normal;line-height:1.4}
.src{display:inline-block;font-family:var(--mono);font-size:8.5px;color:rgba(76,194,255,.62);border:1px solid rgba(76,194,255,.18);border-radius:3px;padding:0 3px;margin-left:4px;vertical-align:1px}
.num-hi{color:var(--accent)}
.power-cards{display:flex;flex-direction:column;gap:6px}
.power-card{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.018)}
.power-card b{font-family:var(--mono);font-size:14px;color:var(--accent);letter-spacing:-.01em}
.power-card span{font-size:10.5px;color:var(--fg-dim);line-height:1.4}
.power-card em{font-family:var(--mono);font-style:normal;font-size:8.5px;color:var(--fg-faint)}
.pin-related{display:flex;flex-direction:column;gap:4px}
.li-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:baseline;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.045);font-size:10.5px}
.li-row span{color:var(--fg-dim);font-size:10.5px;line-height:1.4}
.li-row b{font-family:var(--mono);font-size:11px;font-weight:400;color:rgba(238,244,248,.9);white-space:nowrap}
.btn-row{display:flex;gap:8px;margin-top:2px}
.pill-btn{border:1px solid var(--line);border-radius:8px;padding:5px 11px;font-size:10.5px;color:var(--fg-dim);letter-spacing:.06em;transition:all .3s var(--ease)}
.pill-btn:hover{border-color:var(--accent-line);color:#fff;background:rgba(76,194,255,.1)}
.rp-empty{font-size:11px;color:var(--fg-faint);line-height:1.6}
.rp-foot{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:9.5px;line-height:1.55;color:var(--fg-faint)}
.rp-foot code{font-family:var(--mono);color:rgba(76,194,255,.7)}
.layer-list{display:flex;flex-direction:column;gap:5px}
.layer-item{display:grid;grid-template-columns:8px minmax(0,1fr) auto;gap:9px;align-items:center;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.015)}
.layer-item i{width:8px;height:8px;border-radius:2px;background:var(--accent);opacity:.65}
.layer-item b{font-size:11px;font-weight:500;display:block;color:rgba(238,244,248,.85)}
.layer-item em{font-style:normal;font-size:9px;color:var(--fg-faint);font-family:var(--mono);letter-spacing:.04em}
.layer-depth{font-family:var(--mono);font-size:9px;color:var(--fg-faint)}

.noscript{padding:20px;color:#fff}
@media (max-width:1420px){
  .board-layout{grid-template-columns:262px minmax(0,1fr) 348px}
}
@media (max-width:1240px){
  .top-meta{display:none}
  .board-layout{grid-template-columns:240px minmax(0,1fr) 316px;gap:10px;padding:10px}
  .panel{padding:12px}
}
@media (max-width:1040px){
  body{height:auto;overflow:auto;display:block}
  .topbar{height:auto;padding:14px 16px;flex-wrap:wrap;gap:10px}
  .board-layout{grid-template-columns:1fr;height:auto;padding:12px;gap:12px}
  .viewport-col{grid-template-rows:minmax(320px,56vh) auto}
  .panel-right{max-height:none;overflow:visible}
  .bb-desc{-webkit-line-clamp:3;max-height:none}
}

/* ---------- additions: switches, two-line callouts, mini pin list ---------- */
.switch-row{display:flex;gap:14px;align-items:center;padding-top:11px;border-top:1px solid var(--line)}
.sw{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;color:var(--fg-dim);cursor:pointer;letter-spacing:.06em;user-select:none}
.sw input{position:absolute;opacity:0;width:0;height:0}
.sw i{width:24px;height:13px;border-radius:8px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);position:relative;transition:background .3s var(--ease),border-color .3s var(--ease)}
.sw i::after{content:"";position:absolute;left:2px;top:1.5px;width:8px;height:8px;border-radius:50%;background:rgba(238,244,248,.55);transition:transform .3s var(--ease),background .3s var(--ease)}
.sw input:checked + i{background:rgba(76,194,255,.18);border-color:var(--accent-line)}
.sw input:checked + i::after{transform:translateX(10px);background:var(--accent);box-shadow:0 0 8px rgba(76,194,255,.7)}
.sw input:focus-visible + i{outline:1px solid var(--accent);outline-offset:2px}
.sw:hover{color:var(--text)}

.plist .pcol{display:flex;flex-direction:column;gap:0;min-width:0}
.plist .pname{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em}
.plist .pfn{font-size:9.5px;color:var(--fg-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.35}

.callout .ct{display:flex;flex-direction:column;line-height:1.15;gap:1px}
.callout .ct em{font-style:normal;font-size:9px;letter-spacing:.1em;color:rgba(238,244,248,.7);text-transform:uppercase;max-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:1600px){ .callout .ct i{display:none} }
.callout .ct i{font-style:normal;font-size:9.5px;color:rgba(238,244,248,.86);font-family:var(--font);letter-spacing:.01em;max-width:118px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.callout{height:auto;padding:3px 8px 3px 3px;gap:6px;align-items:flex-start}
.callout .cn{margin-top:1px;background:color-mix(in srgb,var(--tone,#4cc2ff) 22%,transparent);color:var(--tone,#4cc2ff)}
.callout.is-active .cn{background:var(--accent);color:#001018}

.kb-row{margin:0;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02);font-family:var(--mono);font-size:10px;line-height:1.6;color:rgba(238,244,248,.78);word-break:break-word}
.rp-note{margin:0;font-size:10.5px;line-height:1.6;color:var(--fg-dim)}
.srcline{font-family:var(--mono);font-size:9px;color:var(--fg-faint)}

.pin-list-card{display:flex;flex-direction:column;gap:2px}
.pin-mini{display:grid;grid-template-columns:18px 54px minmax(0,1fr);gap:8px;align-items:baseline;padding:5px 6px;border-radius:7px;text-align:left;transition:background .25s var(--ease)}
.pin-mini:hover{background:rgba(76,194,255,.09)}
.pin-mini .pm-n{font-family:var(--mono);font-size:10px;color:var(--fg-faint)}
.pin-mini .pm-name{font-family:var(--mono);font-size:11px;color:rgba(238,244,248,.9);letter-spacing:.05em}
.pin-mini .pm-d{font-size:10px;color:var(--fg-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.spec-table td.sc{text-align:left;font-family:var(--font);white-space:normal;font-size:9px;color:var(--fg-faint);line-height:1.45;max-width:96px}
.spec-table td.unit{color:var(--fg-dim);font-size:9.5px}
.spec-table .dash{color:rgba(238,244,248,.25)}
.spec-table tr:last-child td{border-bottom:0}

.panel-right.rp-in > *{animation:rpIn .42s var(--ease) both}
.panel-right.rp-in > *:nth-child(2){animation-delay:.03s}
.panel-right.rp-in > *:nth-child(3){animation-delay:.06s}
.panel-right.rp-in > *:nth-child(4){animation-delay:.09s}
@keyframes rpIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}

.li-row{grid-template-columns:minmax(0,1fr) auto;align-items:flex-start;padding:5px 0}
.li-row b{padding-top:1px}
.spec-cond{display:block;font-style:normal;font-size:8.5px;line-height:1.4;color:rgba(238,244,248,.38)}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---- one-shot timeline (v2) ---- */
.tl-block{border-top:1px solid var(--line);padding-top:13px}
.tl-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:8px}
.tl-head label{font-size:11px;letter-spacing:.14em;color:var(--fg-dim);white-space:nowrap}
.tl-head label em{font-family:var(--mono);font-style:normal;font-size:9.5px;letter-spacing:.06em;color:var(--accent);margin-left:5px}
#tl-out{font-family:var(--mono);font-size:11.5px;color:var(--accent)}
.tl-track{display:flex;gap:2px;height:15px;margin-bottom:2px}
.tl-track .tl-seg{display:flex;align-items:center;justify-content:center;border-radius:3px;background:rgba(255,255,255,.05);cursor:pointer;transition:background .35s var(--ease)}
.tl-seg b{font-family:var(--mono);font-size:8.5px;font-weight:500;letter-spacing:.1em;color:var(--fg-dim);font-style:normal}
.tl-seg[data-done="1"]{background:rgba(76,194,255,.10)}
.tl-seg[data-on="1"]{background:linear-gradient(90deg,rgba(76,194,255,.34),rgba(76,194,255,.12))}
.tl-seg[data-on="1"] b{color:var(--accent)}
input[type="range"]#tl{-webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;margin:0;display:block;cursor:ew-resize}
#tl::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:rgba(255,255,255,.13)}
#tl::-webkit-slider-thumb{-webkit-appearance:none;width:11px;height:11px;border-radius:50%;background:var(--accent);margin-top:-4px;box-shadow:0 0 0 3px rgba(76,194,255,.16),0 0 14px rgba(76,194,255,.5);transition:box-shadow .3s var(--ease)}
#tl:hover::-webkit-slider-thumb{box-shadow:0 0 0 5px rgba(76,194,255,.18),0 0 18px rgba(76,194,255,.65)}
#tl::-moz-range-track{height:3px;border-radius:3px;background:rgba(255,255,255,.13)}
#tl::-moz-range-thumb{width:11px;height:11px;border:0;border-radius:50%;background:var(--accent)}
.tl-tick{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:rgba(160,186,206,.72);padding:2px 2px 0;letter-spacing:.02em}
.tl-tick i{font-style:normal}
.tl-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:9px}
.ghost-btn{white-space:nowrap}
.play-btn{width:auto;min-width:0;height:auto;font-size:10.5px;letter-spacing:.06em;padding:5px 12px;white-space:nowrap;flex:none;display:inline-flex;align-items:center;justify-content:center}
.play-btn[data-on="1"]{border-color:var(--accent-line);color:var(--accent)}
.tl-zoom{font-family:var(--mono);font-size:9.5px;color:var(--fg-faint)}
.bb-swap{animation:bbIn .55s var(--ease)}
@keyframes bbIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.plist.wide{grid-template-columns:repeat(2,minmax(0,1fr))}
.plist.wide .pfn{white-space:normal}

/* 视口暗角：只压边角，纯 CSS，不占 3D 预算 */
.viewport::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:1;background:radial-gradient(ellipse 78% 76% at 50% 46%,rgba(0,0,0,0) 42%,rgba(0,0,0,.20) 72%,rgba(0,0,0,.48) 100%);box-shadow:inset 0 0 56px 20px #000}
.callout-svg,.callout-layer,.vp-hud,.ruler,.watermark{z-index:2}