/* Reference prototype styling. Neutral on purpose: the vendor applies the website's own visual identity.
   Hand colours match the QC overlay (left = cyan, right = orange). */
:root{
  /* 与官网 datafrontop.com 一致：纯黑底、主色蓝 #029FE3、辅色青柠 #ABCC09（标题重点词与主按钮用渐变）、Manrope */
  --bg:#000000; --panel:#141414; --panel2:#1c1c1c; --line:rgba(255,255,255,.09); --fg:#ffffff; --dim:rgba(240,246,252,.6);
  --accent:#029fe3; --lime:#abcc09; --left:#029fe3; --radius:14px;
  --grad:linear-gradient(90deg,#029fe3 0%,#abcc09 100%);
  --sans:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 var(--sans)}
main{max-width:1240px;margin:0 auto;padding:0 20px 60px;display:grid;gap:56px}
h1,h2,h3{margin:0;text-wrap:balance} h1{font-size:clamp(30px,4.2vw,48px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);font-weight:800} h3{font-size:16px;font-weight:700}
p{margin:0} .lead{color:var(--dim);font-size:17px;max-width:72ch}
.dim,.note{color:var(--dim)} .note{font-size:13px}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel2);color:var(--fg);
  border-radius:8px;padding:8px 16px;font:inherit;font-size:14px;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--grad);border:0;color:#04121c;font-weight:700;box-shadow:0 6px 24px rgba(2,159,227,.35)}
.btn.disabled{opacity:.4;pointer-events:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.fatal{background:#4a1d1d;padding:12px 20px}

.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:24px;padding:12px 20px;
  background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.02em} .brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.top nav{display:flex;gap:16px;flex-wrap:wrap} .top nav a{color:var(--dim);text-decoration:none;font-size:14px}
.top nav a:hover{color:var(--fg)}

.hero{padding-top:48px;display:grid;gap:18px}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-top:8px}
.filter{display:grid;gap:4px;font-size:12px;color:var(--dim);min-width:180px}
.filter.grow{flex:1 1 220px}
.filter select,.filter input{background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:9px 12px;font:inherit;font-size:14px}

.block{display:grid;gap:18px;scroll-margin-top:70px}
.block-head{display:grid;gap:4px} .block-head p{color:var(--dim)}

/* gallery */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{display:grid;text-align:left;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden;cursor:pointer}
.card:hover{border-color:var(--dim)}
.card-media{position:relative;aspect-ratio:16/10;background:#000}
.card-media img,.card-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card-media video{opacity:0;transition:opacity .2s} .card:hover .card-media video{opacity:1}
.side-badge{position:absolute;right:8px;top:8px;z-index:2;background:rgba(0,0,0,.65);font:600 11px var(--mono);padding:2px 7px;border-radius:5px}
.kind{position:absolute;left:8px;top:8px;z-index:2;font-size:11px;font-weight:600;padding:2px 8px;border-radius:5px}
.kind.full_sample{background:var(--grad);color:#04121c} .kind.preview_only{background:rgba(0,0,0,.65);color:var(--dim)}
.card-copy{padding:14px 16px;display:grid;gap:8px;align-content:start}
.card-copy p{color:var(--dim);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{justify-self:start;background:var(--panel2);border:1px solid var(--line);border-radius:6px;font-size:12px;padding:1px 8px}
.empty{color:var(--dim)}

/* viewer */
.sample-tabs,.dl-pick,.video-switch{display:flex;flex-wrap:wrap;gap:8px}
.seg{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:6px 14px;cursor:pointer;font-size:14px}
.seg.on{border-color:var(--accent);color:var(--accent)}
.viewer{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:16px;
  border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--panel)}
@media (max-width:900px){.viewer{grid-template-columns:1fr}}
.viewer-main{display:grid;gap:10px;align-content:start;min-width:0}
.stage{position:relative;aspect-ratio:16/10;background:#000;border-radius:10px;overflow:hidden}
.stage video,#rr{position:absolute;inset:0;width:100%;height:100%}
.stage video{object-fit:contain}
.stage-note{position:absolute;inset:auto 0 0 0;padding:10px;background:rgba(0,0,0,.6);font-size:13px}
.viewer-side{display:grid;gap:12px;align-content:start;min-width:0}
.subpanel{border:1px solid var(--line);border-radius:10px;padding:14px;background:var(--panel2);display:grid;gap:10px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;font-size:13.5px}
.kv dt{color:var(--dim)} .kv dd{margin:0;min-width:0}
.ep-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.ep-thumb{position:relative;width:110px;padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:#000}
.ep-thumb.on{border-color:var(--accent)}
.ep-thumb img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.ep-thumb span{position:absolute;inset:auto 0 0 0;background:rgba(0,0,0,.7);font:11px var(--mono);padding:2px 4px;text-align:center}
.preview-only{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--panel)}
.preview-only video{width:100%;border-radius:10px;background:#000}
.preview-only>div{display:grid;gap:10px;align-content:start}
@media (max-width:900px){.preview-only{grid-template-columns:1fr}}

/* timeline */
.timeline{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--panel)}
@media (max-width:800px){.timeline{grid-template-columns:1fr}}
.tl-main{display:grid;gap:10px;min-width:0}

/* structure + metrics */
.split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.structure{display:grid;grid-template-columns:240px minmax(0,1fr);gap:12px}
@media (max-width:700px){.structure{grid-template-columns:1fr}}
.tree{border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--panel);display:grid;gap:2px;align-content:start}
.node{display:block;text-align:left;border:0;background:none;font:13px var(--mono);padding:3px 6px;border-radius:5px}
.node.dir{color:var(--dim)} .node.file{cursor:pointer} .node.file:hover,.node.on{background:var(--panel2);color:var(--accent)}
.l1{padding-left:18px}.l2{padding-left:30px}.l3{padding-left:44px}.l4{padding-left:58px}
.meta-card{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:12px;display:grid;gap:8px;min-width:0}
.meta-card pre{margin:0;max-height:360px;overflow:auto;font:12px/1.5 var(--mono);color:var(--dim);white-space:pre}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.metric{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:14px;display:grid;gap:2px}
.metric span{color:var(--dim);font-size:13px} .metric b{font-size:24px;font-variant-numeric:tabular-nums} .metric small{color:var(--dim)}

/* coverage */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:14px;display:grid}
.stat b{font-size:28px;font-variant-numeric:tabular-nums} .stat span{color:var(--dim);font-size:13px}
.coverage{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:820px){.coverage{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:16px;display:grid;gap:12px;align-content:start}
.panel.wide{grid-column:1/-1}
.donut-row{display:grid;grid-template-columns:200px 1fr;gap:12px;align-items:center}
#donut{width:200px;max-width:100%} .donut-t{fill:var(--dim);font-size:12px} .donut-n{fill:var(--fg);font-size:20px;font-weight:700}
.scene-list{display:grid;gap:6px;font-size:13.5px}
.scene-list div{display:grid;grid-template-columns:12px 1fr auto;gap:8px;align-items:center}
.scene-list i{width:12px;height:12px;border-radius:3px}
.bars{display:grid;gap:8px}
.bar{display:grid;grid-template-columns:minmax(0,1.6fr) 2fr auto;gap:10px;align-items:center;font-size:13px}
.bar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar div{height:8px;background:var(--panel2);border-radius:4px} .bar i{display:block;height:100%;background:var(--left);border-radius:4px}
.cols{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:end;height:180px}
.col{display:grid;gap:6px;justify-items:center;height:100%;grid-template-rows:1fr auto}
.col-bar{position:relative;width:60%;height:100%;display:flex;align-items:flex-end}
.col-bar i{display:block;width:100%;background:var(--accent);border-radius:6px 6px 0 0;min-height:2px}
.col-bar b{position:absolute;top:-2px;left:0;right:0;text-align:center;font-size:12px}
.col span{font:12px var(--mono);color:var(--dim)}

/* download */
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.tier{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:18px;display:grid;gap:10px;align-content:start}
.tier p{color:var(--dim);font-size:14px} .tier .btn{justify-self:start} .size{font:12px var(--mono);color:var(--dim)}
.foot{display:flex;justify-content:space-between;color:var(--dim);font-size:13px;border-top:1px solid var(--line);padding-top:18px}
.foot a{color:var(--dim);text-decoration:none}.foot a:hover{color:var(--fg)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card-media video{transition:none}}

[hidden]{display:none!important}

/* —— 官网风格补充 —— */
h1 em,h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.top nav a{text-transform:uppercase;letter-spacing:.03em;font-weight:600}
.block{border-top:1px solid var(--line);padding-top:56px}
.hero{border:0}
.card,.viewer,.timeline,.panel,.tier,.metric,.stat,.tree,.meta-card,.subpanel,.preview-only{border-color:var(--line)}
.card:hover{border-color:rgba(2,159,227,.5);box-shadow:0 0 0 1px rgba(2,159,227,.2)}
.seg.on{border-color:var(--accent);color:var(--accent);background:rgba(2,159,227,.1)}
.tag{background:rgba(2,159,227,.12);border-color:rgba(2,159,227,.2);color:#cfe9f8}
.tags{display:flex;gap:6px;flex-wrap:wrap} .tag.dur{background:var(--panel2);border-color:var(--line);color:var(--dim)}
.more{grid-column:1/-1;justify-self:center}
@media (max-width:1100px){.timeline{grid-template-columns:1fr}}
.tl-video{display:grid;gap:6px;align-content:start} .tl-video video{width:100%;border-radius:10px;background:#000}
#tl-now{font:12px var(--mono)}
.pending{border:1px dashed var(--line);border-radius:var(--radius);padding:28px;text-align:center;color:var(--dim)}
.stat small{color:var(--dim);font-size:12px}
.scene-list .env{grid-template-columns:12px 1fr auto} .scene-list .sub{display:flex;justify-content:space-between;padding-left:20px;color:var(--dim);font-size:12.5px}
.scene-list .sub span{white-space:nowrap} .scene-list .sub span+span{margin-left:12px}
.bar i{background:var(--grad)} .col-bar i{background:var(--grad)}
.metric b,.stat b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.foot{border-top:1px solid var(--line)}

/* 3D 模式：三维铺满，视频缩成左上画中画 */
.stage.mode3d #rr{z-index:1}
.stage.mode3d video{inset:auto;left:12px;top:12px;width:30%;height:auto;z-index:3;border-radius:8px;border:1px solid rgba(255,255,255,.18);box-shadow:0 8px 24px rgba(0,0,0,.6)}
.stage.mode3d .side-badge{left:calc(12px + 30% - 44px);right:auto;top:18px}
#rr canvas{display:block;width:100%;height:100%}
.hint3d{position:absolute;right:12px;bottom:10px;z-index:3;font-size:12px;color:var(--dim);margin:0;background:rgba(0,0,0,.5);padding:3px 8px;border-radius:6px}

/* 时间轴分组与新轨 */

/* 数据结构与质量指标两栏等高对齐 */
.split{align-items:stretch}
.split>div{display:grid;grid-template-rows:auto 1fr;gap:18px;min-width:0}
.structure{height:440px}
.tree,.meta-card{height:100%;overflow:auto}
.meta-card{grid-template-rows:auto 1fr} .meta-card pre{max-height:none;height:100%}
.metrics{height:440px;grid-auto-rows:1fr}
@media (max-width:900px){.structure,.metrics{height:auto}}
.split .block-head p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#coverage .block-head{position:relative}
.demo-badge{position:absolute;right:0;top:4px;background:#ff5d5d;color:#fff;font:700 12px var(--sans);letter-spacing:.06em;padding:4px 10px;border-radius:6px}

/* ---------- timeline v2：细线条、半透明色块 + 左侧色条、固定行名列、每秒刻度、发光播放头、悬停卡片 ---------- */
.timeline{grid-template-columns:minmax(260px,340px) minmax(0,1fr)}
@media (max-width:1000px){.timeline{grid-template-columns:1fr}}
.tl-main{display:grid;gap:12px;min-width:0;align-content:start}
.tl-head{display:grid;gap:10px}
.tl-chips{display:flex;flex-wrap:wrap;gap:6px}
.tl-chip{display:inline-flex;align-items:center;gap:7px;padding:4px 11px 4px 9px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--dim);font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}
.tl-chip i{width:7px;height:7px;border-radius:50%;background:var(--c);opacity:.35;transition:all .15s}
.tl-chip.on{color:var(--fg);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.04)}
.tl-chip.on i{opacity:1;box-shadow:0 0 8px var(--c)}
.tl-chip:hover{border-color:rgba(255,255,255,.3)}
.tl-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#0b0b0b;scrollbar-width:thin;scrollbar-color:#333 transparent}
.tl-canvas{position:relative;padding-bottom:10px}
.tl-gut{position:sticky;left:0;z-index:3;flex:none;width:var(--gut);background:#0b0b0b;border-right:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:6px;padding:0 12px 0 14px}
.tl-lane{position:relative;flex:none;width:var(--lw);margin-left:10px}
/* 刻度 */
.tl-axis{display:flex;height:34px;border-bottom:1px solid var(--line)}
.tl-axis .tl-lane{cursor:pointer}
.tl-axis i{position:absolute;bottom:0;width:1px;height:4px;background:rgba(255,255,255,.18)}
.tl-axis i.M{height:9px;background:rgba(255,255,255,.4)}
.tl-axis span{position:absolute;top:7px;transform:translateX(-50%);font:600 10.5px var(--mono);color:rgba(240,246,252,.45);letter-spacing:.03em}
.tl-axis span:first-of-type{transform:none}
/* 网格线 */
.tl-body{position:relative}
.tl-grid{position:absolute;top:0;bottom:0;left:calc(var(--gut) + 10px);width:var(--lw);pointer-events:none}
.tl-grid i{position:absolute;top:0;bottom:0;width:1px;background:rgba(255,255,255,.045)}
/* 分组标题 */
.tl-ghead{display:flex;height:30px;align-items:stretch}
.tl-ghead .tl-gut{justify-content:flex-start;align-items:flex-end;padding-bottom:4px}
.tl-ghead em{font-style:normal;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;
  color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
/* 行 */
.tl-row{display:flex;height:30px;position:relative}
.tl-row:hover .tl-gut span{color:var(--fg)}
.tl-row .tl-gut span{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:rgba(240,246,252,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-row .tl-gut span i{flex:none;width:3px;height:14px;border-radius:2px;background:var(--c)}
.tl-row .tl-gut b{font:500 10px var(--mono);color:rgba(240,246,252,.38);white-space:nowrap}
.tl-row .tl-lane{cursor:pointer}
.tl-row.curve{height:58px}
/* 片段 */
.tl-seg{position:absolute;top:4px;height:22px;padding:0 8px 0 9px;border:0;border-radius:5px;cursor:pointer;
  background:var(--c1);box-shadow:inset 2px 0 0 var(--c);color:#e9eef2;font-size:11px;font-weight:600;text-align:left;
  overflow:hidden;transition:background .15s,box-shadow .15s}
.tl-seg span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-seg:hover{background:var(--c2)}
.tl-seg.on{background:var(--c3);box-shadow:inset 2px 0 0 var(--c),0 0 0 1px var(--c),0 0 16px -2px var(--c);color:#fff;z-index:1}
.tl-seg.transition{background:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 4px,transparent 4px 8px);box-shadow:none}
.tl-seg.transition.on{box-shadow:0 0 0 1px rgba(255,255,255,.25)}
.tl-row.ribbon .tl-seg{top:7px;height:16px;border-radius:999px;font-size:10.5px;font-weight:500;color:rgba(240,246,252,.85);
  background:linear-gradient(90deg,var(--c2),var(--c1));box-shadow:none}
.tl-row.ribbon .tl-seg.on{box-shadow:none;background:linear-gradient(90deg,var(--c3),var(--c1))}
/* 手：在画面的区间 + 关键帧菱形 */
.tl-presence{position:absolute;top:13px;height:4px;border-radius:2px;background:var(--c3);cursor:pointer}
.tl-presence:hover{background:var(--c)}
.tl-point{position:absolute;top:10px;width:10px;height:10px;margin-left:-5px;padding:0;border:0;cursor:pointer;
  background:var(--c);transform:rotate(45deg);border-radius:2px;box-shadow:0 0 0 2px #0b0b0b;transition:transform .12s,box-shadow .12s;z-index:1}
.tl-point:hover{transform:rotate(45deg) scale(1.35);box-shadow:0 0 0 2px #0b0b0b,0 0 12px var(--c)}
/* 曲线 */
.tl-curve{position:absolute;left:0;top:3px;pointer-events:none}
.tl-legend{position:absolute;right:8px;top:4px;display:flex;gap:10px;font-size:10px;color:var(--dim);pointer-events:none}
.tl-legend span::before{content:"";display:inline-block;width:10px;height:2px;margin-right:5px;vertical-align:middle;border-radius:1px}
.tl-legend .l::before{background:#029fe3} .tl-legend .r::before{background:#abcc09}
/* 播放头 */
.tl-playhead{position:absolute;top:0;bottom:10px;width:0;margin-left:10px;pointer-events:none;z-index:2;
  border-left:1px solid rgba(255,255,255,.9);box-shadow:0 0 10px 1px rgba(2,159,227,.6)}
.tl-playhead span{position:absolute;top:6px;left:0;display:inline-block;transform:translateX(-50%);padding:2px 7px;border-radius:5px;
  background:var(--grad);color:#04121c;font:700 10.5px var(--mono);box-shadow:0 4px 14px rgba(0,0,0,.5);z-index:5}
/* 悬停卡片 */
.tl-tip{position:fixed;z-index:50;display:grid;gap:2px;max-width:320px;padding:8px 11px;border-radius:8px;pointer-events:none;
  background:rgba(24,24,24,.96);border:1px solid rgba(255,255,255,.14);box-shadow:0 10px 30px rgba(0,0,0,.55);backdrop-filter:blur(6px)}
.tl-tip b{font-size:12.5px;font-weight:700;color:#fff}
.tl-tip span{font:11px var(--mono);color:var(--dim)}
.tl-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
/* 播放头拖动 */
.tl-playhead span{pointer-events:auto;cursor:grab;touch-action:none;user-select:none}
.tl-playhead span::after{content:"";position:absolute;left:50%;bottom:-4px;margin-left:-4px;border:4px solid transparent;border-bottom:0;border-top-color:#55b7a0}
.tl-playhead span:hover{filter:brightness(1.12);box-shadow:0 0 0 3px rgba(2,159,227,.25),0 4px 14px rgba(0,0,0,.5)}
.tl-axis .tl-lane,.tl-row .tl-lane{touch-action:pan-y}
.tl-canvas.dragging,.tl-canvas.dragging *{cursor:grabbing!important;user-select:none}
.tl-canvas.dragging .tl-playhead{box-shadow:0 0 14px 2px rgba(2,159,227,.8)}
.tl-canvas.dragging .tl-tip{display:none}
/* 自定义轨 */
.tl-ghead small{white-space:nowrap;margin-left:8px;padding:1px 6px;border-radius:4px;border:1px dashed rgba(240,180,41,.6);color:#f0b429;font-size:9.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;align-self:center;margin-top:8px;cursor:help}
.tl-row.add .tl-gut span{color:rgba(240,246,252,.4);font-weight:500}
.tl-row.add .tl-lane{margin-top:4px;height:22px;border:1px dashed rgba(255,255,255,.14);border-radius:5px;cursor:default;display:flex;align-items:center;padding-left:10px}
.tl-row.add .tl-lane em{font-style:normal;font-size:11px;color:rgba(240,246,252,.35);position:sticky;left:calc(var(--gut) + 20px)}
.tl-row.add:hover .tl-lane{border-color:rgba(240,180,41,.5)}
/* 场景列表：子场景两列 */
.scene-list{gap:4px}
.scene-list .env{margin-top:8px;padding-bottom:4px;border-bottom:1px solid var(--line)} .scene-list .env:first-child{margin-top:0}
.scene-list .subs{display:grid;grid-template-columns:1fr 1fr;column-gap:18px;row-gap:2px}
.scene-list .subs .sub{display:flex;justify-content:space-between;padding-left:20px;color:var(--dim);font-size:12.5px;line-height:1.7}
.scene-list .subs .sub:nth-child(2n){padding-left:0}
.scene-list .subs .sub span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.scene-list .subs .sub span+span{color:rgba(240,246,252,.85);font-variant-numeric:tabular-nums}
.donut-row{align-items:start;grid-template-columns:150px minmax(0,1fr);gap:20px} #donut{margin-top:20px;width:150px}
.scene-list{min-width:0} .scene-list .subs{grid-template-columns:minmax(0,1fr) minmax(0,1fr)} .scene-list .subs .sub span+span{margin-left:8px}

#donut .donut-n{font-size:30px} #donut .donut-t{font-size:12px}
/* 行业网格（v3） */
#cov-env .donut-row{grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}
#cov-env #donut{width:220px;margin-top:6px;position:sticky;top:90px}
#scene-list{min-width:0}
.ind{display:grid;gap:3px;align-content:start;padding:10px 12px 10px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.015)}
.ind-h{display:grid;grid-template-columns:10px 1fr auto;gap:8px;align-items:center;font-size:13.5px}
.ind-h i{width:10px;height:10px;border-radius:3px;background:var(--c)}
.ind-h b:last-child{font-variant-numeric:tabular-nums}
.ind-bar{height:3px;border-radius:2px;background:rgba(255,255,255,.06);margin:4px 0 6px}
.ind-bar i{display:block;height:100%;border-radius:2px;background:var(--c)}
.ind .sub{display:flex;justify-content:space-between;gap:8px;color:var(--dim);font-size:12px;line-height:1.75}
.ind .sub span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ind .sub span+span{color:rgba(240,246,252,.85);font-variant-numeric:tabular-nums}
#cov-task .bars{grid-template-columns:1fr 1fr;column-gap:40px}
@media (max-width:820px){#cov-env .donut-row{grid-template-columns:1fr} #cov-env #donut{position:static;margin:0 auto} #cov-task .bars{grid-template-columns:1fr}}
.panel-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
#cov-task .bars{grid-template-columns:repeat(3,minmax(0,1fr));column-gap:32px} @media (max-width:1000px){#cov-task .bars{grid-template-columns:1fr 1fr}} @media (max-width:640px){#cov-task .bars{grid-template-columns:1fr}}
/* 行业多、子场景多：改为多列瀑布排，卡片高度不同也不留空 */
/* 行业下钻交互 */
#donut path{cursor:pointer;transform-origin:110px 110px;transition:transform .18s ease,opacity .18s ease}
#donut.has-hi path{opacity:.32} #donut path.hi{opacity:1;transform:scale(1.06)}
#donut.drill path{cursor:default}
#donut .donut-n{font-size:28px;font-weight:800;fill:#fff} #donut .donut-t{font-size:11.5px;fill:var(--dim)}
#cov-env .donut-row{transition:none}
.ind{cursor:pointer;position:relative;transition:border-color .15s,background .15s,transform .15s}
.ind:hover,.ind.hi{border-color:var(--c);background:rgba(255,255,255,.035)}
.ind .ind-more{display:block;margin-top:4px;font-size:11px;font-weight:700;color:var(--c);opacity:0;transition:opacity .15s}
.ind:hover .ind-more,.ind.hi .ind-more,.ind:focus-visible .ind-more{opacity:1}
.ind-detail{display:grid;gap:14px;min-width:0}
.ind-nav{display:grid;gap:10px}
.ind-back{justify-self:start;padding:6px 12px;font-size:13px}
.ind-tabs{display:flex;flex-wrap:wrap;gap:6px}
.ind-tab{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--dim);font-size:12px;cursor:pointer}
.ind-tab i{width:7px;height:7px;border-radius:50%;background:var(--c)}
.ind-tab:hover{color:var(--fg);border-color:rgba(255,255,255,.3)} .ind-tab.on{color:#fff;border-color:var(--c);background:rgba(255,255,255,.05)}
.ind-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-bottom:8px;border-bottom:1px solid var(--line)}
.ind-title i{width:12px;height:12px;border-radius:3px;background:var(--c)} .ind-title h4{margin:0;font-size:20px;font-weight:800}
.ind-title span{color:var(--dim);font-size:13px} .ind-title b{color:#fff}
.ind-table{display:grid;gap:2px}
.ind-th,.ind-tr{display:grid;grid-template-columns:minmax(150px,1.3fr) 2fr 90px 130px;gap:14px;align-items:center;padding:5px 8px;border-radius:6px}
.ind-th{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)} .ind-th span:nth-child(n+3){text-align:right}
.ind-tr{font-size:13px;transition:background .12s} .ind-tr.hi{background:rgba(255,255,255,.05)}
.ind-tr span{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ind-tr span i{flex:none;width:8px;height:8px;border-radius:2px;background:var(--c)}
.ind-tr b{text-align:right;font-variant-numeric:tabular-nums;font-weight:600} .ind-tr b:last-child{color:var(--dim)}
.ind-trbar{height:6px;border-radius:3px;background:rgba(255,255,255,.06)} .ind-trbar i{display:block;height:100%;border-radius:3px;background:var(--c)}
@media (max-width:700px){.ind-th,.ind-tr{grid-template-columns:1fr 70px 90px} .ind-th span:nth-child(2),.ind-trbar{display:none}}
/* 总览：等高卡片规则网格（按行阅读），完整列表在下钻里 */
#scene-list.ind-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;align-items:stretch}
.ind{grid-template-rows:auto auto repeat(4,auto) 1fr}
.ind .ind-more{opacity:1;align-self:end;margin-top:6px;color:var(--dim);font-weight:600}
.ind .ind-more em{font-style:normal;color:var(--c);display:inline-block;transition:transform .15s}
.ind:hover .ind-more,.ind.hi .ind-more{color:var(--fg)} .ind:hover .ind-more em,.ind.hi .ind-more em{transform:translateX(3px)}
.donut-col{display:grid;gap:14px;justify-items:center;align-content:start;position:sticky;top:90px}
#cov-env #donut{position:static;margin-top:6px}
.donut-hint{text-align:center;max-width:210px;font-size:12px;line-height:1.5}
@media (max-width:820px){.donut-col{position:static}}
/* 时长分布：细分段条 + 图例 */
.dur{display:grid;gap:14px}
.dur-bar{display:flex;gap:3px;height:12px}
.dur-bar i{display:block;min-width:4px;border-radius:3px;transition:opacity .15s,transform .15s;cursor:default}
.dur-bar i:first-child{border-radius:6px 3px 3px 6px} .dur-bar i:last-child{border-radius:3px 6px 6px 3px}
.dur:has(.hi) .dur-bar i:not(.hi){opacity:.3} .dur-bar i.hi{transform:scaleY(1.35)}
.dur-legend{display:grid;gap:12px}
.dur-legend div{display:grid;gap:2px;padding:8px 10px;border-radius:8px;border:1px solid transparent;transition:border-color .15s,background .15s;cursor:default}
.dur-legend div.hi{border-color:var(--c);background:rgba(255,255,255,.03)}
.dur-legend span{display:flex;align-items:center;gap:7px;font:12px var(--mono);color:var(--dim)}
.dur-legend span i{width:8px;height:8px;border-radius:2px;background:var(--c)}
.dur-legend b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
@media (max-width:640px){.dur-legend{grid-template-columns:repeat(3,1fr)!important}}
/* Action Info 固定高度：每行单行，空值显示 — */
#action-info .kv.fixed dd{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
#action-info .kv.fixed dd.none{color:rgba(240,246,252,.3)}