/* 沿用站点语义色，桌面并排、手机纵向对照。 */
.execution-lab{margin:42px 0}.ex-controls{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.ex-controls button{padding:10px 14px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--text);cursor:pointer}.ex-controls button:disabled{opacity:.45;cursor:default}.ex-controls [data-ex-play]{background:var(--accent);color:var(--card)}.ex-controls [role=status]{flex-basis:100%;color:var(--sub);font-size:12px}.ex-event{padding:20px;background:var(--accent-soft);border-left:3px solid var(--accent);margin:20px 0}.ex-event>span{font-size:12px;color:var(--accent-deep)}.ex-event h3{font-size:21px;margin:8px 0}.ex-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ex-card{padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--card);min-width:0}.ex-card h3{font-size:16px;line-height:1.6;margin:0 0 8px}.ex-caption,.ex-note{font-size:12px!important;color:var(--sub);line-height:1.8!important}.ex-card svg{width:100%;color:var(--sub);font-size:12px}.ex-card svg text{fill:currentColor}.ex-state{font-size:14px!important;font-weight:600;min-height:60px}.ex-card dl{font-size:12px;margin:14px 0}.ex-card dl>div{display:flex;justify-content:space-between;gap:8px;padding:9px 0;border-top:1px solid var(--line)}.ex-card dd{margin:0;font-variant-numeric:tabular-nums;text-align:right}.ex-card dt{color:var(--sub)}.ex-quantity{display:flex;gap:2px;height:50px;margin:25px 0}.ex-quantity span{display:flex;justify-content:center;align-items:center;font-size:11px;min-width:0}.ex-filled{background:var(--accent);color:var(--card)}.ex-active{background:var(--accent-soft);color:var(--accent-deep)}.ex-cancel{background:var(--line);color:var(--text)}.ex-takeaway{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.ex-full-step{padding-bottom:30px;border-bottom:1px solid var(--line)}@media(max-width:760px){.ex-grid{grid-template-columns:1fr}.ex-state{min-height:0}.ex-card svg{max-height:160px}.ex-card{padding:20px}}

/* 订单簿深度阶梯（build/execution_lab.py order_ladder 生成）：颜色走主题变量，状态另有文字与线型，不只靠颜色。 */
:root{--ol-ask:#c2410c;--ol-bid:var(--accent);--ol-done:#a3a9b5;--ol-spread:rgba(180,83,9,.09);--ol-limit:#9a3412;--ol-alert:#b91c1c}
:root[data-theme="dark"]{--ol-ask:#fb923c;--ol-done:#5b6372;--ol-spread:rgba(251,191,36,.11);--ol-limit:#fbbf24;--ol-alert:#f87171}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--ol-ask:#fb923c;--ol-done:#5b6372;--ol-spread:rgba(251,191,36,.11);--ol-limit:#fbbf24;--ol-alert:#f87171}}
.ol-figure{margin:16px 0;padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.ol-figure figcaption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.ol-figure figcaption b{font-size:14px}.ol-figure figcaption span{font-size:12px;color:var(--sub)}
.ol-body{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:18px;align-items:start}
.ol-svg{display:block;width:100%;max-width:520px;height:auto}
.ol-figure .ol-svg text{font-size:13px;fill:var(--text);paint-order:stroke;stroke:var(--card);stroke-width:3px;stroke-linejoin:round;font-variant-numeric:tabular-nums}
.ol-svg .ol-ghost{fill:var(--sub)}.ol-svg .ol-qty{font-weight:700}.ol-svg .ol-changed{font-weight:600}
.ol-track{fill:none;stroke:var(--line)}.ol-ask{fill:var(--ol-ask);opacity:.85}.ol-bid{fill:var(--ol-bid);opacity:.85}.ol-filled{fill:var(--ol-done)}.ol-withdrawn{fill:none;stroke:var(--sub);stroke-dasharray:3 2}
.ol-spread{fill:var(--ol-spread)}.ol-svg .ol-spread-text{font-size:12px;fill:var(--sub)}
.ol-last{stroke:var(--text);stroke-width:1;stroke-dasharray:4 3;opacity:.75}.ol-last-mark{fill:var(--text)}
.ol-limit{stroke:var(--ol-limit);stroke-width:1.2;stroke-dasharray:6 3}.ol-svg .ol-limit-text{font-size:12px;fill:var(--ol-limit)}
.ol-side{font-size:13px;min-width:0}.ol-side p{margin:0 0 8px;font-size:13px!important;line-height:1.6!important}.ol-order{color:var(--sub)}
.ol-chip{display:inline-block;margin:0 6px 4px 0;padding:1px 9px;border:1px solid var(--sub);border-radius:999px;font-size:12px;line-height:1.7;color:var(--text)}
.ol-submitted{border-style:dashed}.ol-resting{border-style:dotted;border-width:2px}.ol-partial{border-color:var(--accent);color:var(--accent-deep)}.ol-filled.ol-chip{background:var(--accent);border-color:var(--accent);color:var(--card)}.ol-cancelled{border-style:double;border-width:3px}.ol-pending{border-style:dashed;color:var(--sub)}
.ol-figure .ol-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(58px,1fr));gap:6px;margin:6px 0 8px;font-size:12px}
.ol-figure .ol-stats>div{display:block;padding:6px 8px;border:1px solid var(--line);border-radius:6px}
.ol-figure .ol-stats dt{font-size:12px;color:var(--sub)}.ol-figure .ol-stats dd{margin:2px 0 0;font-size:16px;font-weight:700;text-align:left;font-variant-numeric:tabular-nums}
.ol-side .ol-protect{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 10px;padding:6px 8px;border:1px solid var(--line);border-radius:6px}
.ol-side .ol-gap{border:2px solid var(--ol-alert);color:var(--ol-alert)}.ol-gap b::before{content:"!";display:inline-block;width:16px;height:16px;margin-right:4px;border-radius:50%;background:var(--ol-alert);color:var(--card);text-align:center;font-size:12px;line-height:16px}
.ol-lastline{display:flex;align-items:center;gap:6px;color:var(--sub)}.ol-last-key{display:inline-block;width:0;height:0;border-left:8px solid var(--text);border-top:5px solid transparent;border-bottom:5px solid transparent}
.ol-legend,.ol-note{font-size:12px!important;color:var(--sub);line-height:1.7!important;margin:10px 0 0}
.ol-compact{margin:10px 0;padding:0;border:0;background:none}.ol-compact .ol-body{grid-template-columns:1fr;gap:8px}.ol-compact .ol-svg{max-width:340px}.ol-figure.ol-compact .ol-svg text{font-size:12px}
.ol-table{margin:8px 0 0;font-size:13px}.ol-table summary{cursor:pointer;color:var(--sub)}
@media(max-width:650px){.ol-figure{padding:12px}.ol-body{grid-template-columns:1fr;gap:10px}.ol-figure .ol-stats{grid-template-columns:repeat(auto-fit,minmax(64px,1fr))}.ol-compact .ol-svg{max-width:300px}}

/* 手机演示布局（≤650px，JS 挂上 .ex-mobile 后生效）：步骤说明压成图上方一行标题＋两行正文，
   步骤分段器与播放按钮放到图下方，「展开完整对比」和速度收进「更多」折叠区。桌面不受影响。 */
.ex-dock,.ex-more,.ex-event-toggle{display:none}
@media(max-width:650px){
 .ex-mobile [data-ex-frame] .ex-event{display:grid;grid-template-columns:auto minmax(0,1fr) auto;column-gap:8px;align-items:baseline;padding:10px 12px;margin:12px 0 8px}
 .ex-mobile [data-ex-frame] .ex-event>span{font-size:12px;white-space:nowrap}
 .ex-mobile [data-ex-frame] .ex-event h3{font-size:16px;line-height:1.5;margin:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden}
 .ex-mobile [data-ex-frame] .ex-event p{grid-column:1/-1;margin:4px 0 0;font-size:13px!important;line-height:1.65!important;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
 .ex-mobile [data-ex-frame] .ex-event.ex-open h3,.ex-mobile [data-ex-frame] .ex-event.ex-open p{display:block;-webkit-line-clamp:unset;overflow:visible}
 .ex-mobile .ex-event-toggle{display:inline-block;grid-column:3;grid-row:1;padding:2px 8px;font-size:12px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--text);cursor:pointer}
 .ex-mobile .ex-dock{display:block;margin:10px 0 22px}
 .ex-dock .ex-seg{display:flex;gap:4px;margin:0 0 8px;flex-wrap:nowrap}
 .ex-dock .ex-seg button,.ex-dock .cf-steps button{flex:1 1 0;min-width:0;margin:0;padding:6px 2px;font-size:13px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--sub);cursor:pointer;white-space:nowrap}
 .ex-dock .ex-seg [aria-pressed=true],.ex-dock .cf-steps [aria-pressed=true]{border-color:var(--accent);color:var(--accent-deep);font-weight:700;box-shadow:inset 0 -3px 0 var(--accent)}
 .ex-dock .cf-steps{display:flex;gap:4px;margin:0 0 8px;flex-wrap:nowrap}
 .ex-dock .ex-controls{margin:0;gap:6px;flex-wrap:nowrap}
 .ex-dock .ex-controls button{flex:1 1 0;min-width:0;padding:9px 4px;font-size:13px;white-space:nowrap}
 .ex-dock .ex-more{display:block}
 .ex-dock [data-ex-status]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
 .ex-more-panel{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:8px;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:13px}
 .ex-more-panel[hidden]{display:none}
 .ex-more-panel button{padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--text);font-size:13px;cursor:pointer}
 .ex-more-panel .tl-demo-speed{display:flex;align-items:center;gap:6px;margin:0;font-size:13px;color:var(--sub)}
}
/* 三栏卡片内的阶梯：取消通用卡片SVG的160px高度上限；手机上累计格压成一行，缩短卡片高度。 */
.ex-card .ol-svg{max-height:none}
@media(max-width:650px){.ol-compact .ol-svg{margin:0}.ol-compact .ol-stats>div{display:flex;justify-content:space-between;align-items:baseline;gap:4px;padding:4px 8px}.ol-compact .ol-stats dd{font-size:15px;margin:0}.ol-compact .ol-side p{margin-bottom:6px}.ol-card .ex-caption{margin:0 0 4px}.ol-card .ex-state{margin:6px 0}}
.ol-figure .ol-stats dt{white-space:nowrap}
/* 手机上卡片竖排时，出现保护缺口的分支排到最前，本步要看的画面落在首屏。 */
@media (max-width: 650px) {
  .ex-grid { display:flex; flex-direction:column; }
  .ex-grid > .ex-card:has(.ol-gap) { order:-1; }
}