:root {
  --bg:#f4f3ef;
  --panel:#fffefb;
  --paper:#faf9f5;
  --ink:#20211e;
  --muted:#77776f;
  --line:#deddd5;
  --accent:#345843;
  --accent-soft:#e5eee8;
  --accent-mid:#7d9885;
  --warn:#8c5d20;
  --shadow:0 18px 56px rgba(22,30,25,.06);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink)}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
.shell{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:#1f2822;color:#eef3ef;padding:26px 18px;display:flex;flex-direction:column;gap:34px}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px}
.brand-mark{width:42px;height:42px;border:1px solid #79917f;border-radius:13px;display:grid;place-items:center;font-family:serif;font-size:23px}
.brand strong,.brand span{display:block}.brand span{margin-top:3px;color:#9daf9f;font-size:12px}
nav{display:grid;gap:7px}.nav-item{border:0;background:transparent;color:#b9c6bc;text-decoration:none;text-align:left;padding:12px 14px;border-radius:10px}.nav-item:hover,.nav-item.active{background:#344239;color:white}
.sidebar-note{margin-top:auto;border-top:1px solid #3a463d;padding:18px 8px 0;color:#a8b4aa;font-size:12px;line-height:1.7}.sidebar-note strong{color:#eef3ef}.sidebar-note p{margin:7px 0 0}
main{padding:0 38px 70px;min-width:0;max-width:1540px;width:100%;margin:0 auto}
.topbar{height:112px;display:flex;align-items:center;justify-content:space-between}.topbar h1{margin:2px 0 0;font-size:28px;letter-spacing:-.5px}
.eyebrow{margin:0;font-size:10px;letter-spacing:1.8px;color:#8a8b83;font-weight:750}.status-pill{padding:8px 11px;border-radius:999px;font-size:12px;background:#eceae4;color:#696a64}.status-pill.ok{background:var(--accent-soft);color:var(--accent)}
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:16px;padding:30px;border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 10px 38px rgba(22,30,25,.035)}
.hero h2{margin:8px 0 11px;max-width:820px;font-size:36px;line-height:1.14;letter-spacing:-1.1px}.hero p:not(.eyebrow){max-width:840px;color:var(--muted);line-height:1.82}.hero p strong{color:var(--ink)}
.paper-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.paper-chip{padding:7px 9px;border-radius:8px;background:#f1f2ed;color:#565851;font-size:11px}.paper-chip b{color:var(--accent)}
.hero-principle{display:grid;align-content:center;gap:9px;padding:18px;border-radius:16px;background:var(--accent-soft)}.hero-principle strong{font-size:13px}.hero-principle span{color:#58675d;font-size:11px;line-height:1.55}
.summary-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:12px}.summary-strip article{display:grid;gap:4px;min-height:94px;padding:14px 15px;border:1px solid var(--line);border-radius:15px;background:var(--panel)}.summary-strip span{color:var(--muted);font-size:10px}.summary-strip strong{align-self:end;font-size:28px;letter-spacing:-.8px}.summary-strip small{color:#92938c;font-size:9px}
.section-block{scroll-margin-top:20px;margin-top:34px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:12px}.section-head h2{margin:4px 0 0;font-size:22px;letter-spacing:-.35px}.section-note{max-width:860px;margin:-2px 0 14px;color:var(--muted);font-size:11px;line-height:1.65}.badge{padding:6px 9px;border-radius:999px;background:#efeee8;color:#666760;font-size:10px}.ghost,.graph-tool{border:1px solid var(--line);border-radius:9px;background:#ebeae4;color:#484944;padding:9px 12px}.ghost:hover,.graph-tool:hover{background:var(--accent-soft);color:var(--accent)}
.paper-filter{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.paper-filter button{border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:7px 10px;color:var(--muted);font-size:10px}.paper-filter button.active{border-color:#77927f;background:var(--accent-soft);color:var(--accent);font-weight:700}
.map-studio{position:relative}.map-canvas{position:relative;min-width:0;overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 82%,transparent);border-radius:22px;background:radial-gradient(circle at 13% 18%,color-mix(in srgb,var(--accent-soft) 42%,transparent),transparent 28%),radial-gradient(circle at 86% 78%,color-mix(in srgb,#9eaad0 14%,transparent),transparent 26%),var(--panel);box-shadow:var(--shadow)}
.map-canvas:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.44;background-image:linear-gradient(color-mix(in srgb,var(--line) 46%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--line) 46%,transparent) 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(circle at center,#000 20%,transparent 92%)}
.map-toolbar{position:absolute;top:12px;left:12px;right:12px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}.map-kpis{display:flex;align-items:center;flex-wrap:wrap;gap:5px}.map-kpis span{display:inline-flex;align-items:baseline;gap:4px;min-height:30px;padding:6px 9px;border:1px solid color-mix(in srgb,var(--line) 72%,transparent);border-radius:999px;background:color-mix(in srgb,var(--panel) 88%,transparent);color:var(--muted);backdrop-filter:blur(14px);font-size:9px;box-shadow:0 5px 18px rgba(19,28,22,.04)}.map-kpis b{color:var(--ink);font-size:11px}.map-actions{display:flex;gap:5px;pointer-events:auto}.graph-tool{min-height:32px;padding:6px 10px;background:color-mix(in srgb,var(--panel) 88%,transparent);font-size:10px;backdrop-filter:blur(14px)}
.map-viewport{position:relative;z-index:1;height:720px;overflow:hidden;cursor:grab;touch-action:none;user-select:none}.map-viewport.dragging{cursor:grabbing}.map-world{position:absolute;left:0;top:0;width:1480px;height:920px;transform-origin:0 0;will-change:transform}.edge-layer,.region-layer,.node-layer{position:absolute;inset:0}.edge-layer{z-index:2;overflow:visible;pointer-events:none}.graph-edge{fill:none;stroke:color-mix(in srgb,var(--accent) 28%,var(--line));stroke-width:1.15;stroke-linecap:round;opacity:.32;vector-effect:non-scaling-stroke}.graph-edge.cooccur{stroke-dasharray:5 5;stroke:color-mix(in srgb,#7d728d 42%,var(--line));opacity:.32}.graph-edge.strong{opacity:.6;stroke-width:1.5}.region-layer{z-index:1;pointer-events:none}.map-region{position:absolute;overflow:hidden;border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));border-radius:34% 47% 39% 43%/28% 36% 44% 39%;background:radial-gradient(circle at 22% 18%,color-mix(in srgb,var(--accent-soft) 54%,transparent),transparent 52%),color-mix(in srgb,var(--panel) 62%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--panel) 64%,transparent),0 14px 50px rgba(28,37,31,.025)}.map-region:nth-child(2n){border-radius:46% 33% 45% 38%/38% 45% 31% 43%;background:radial-gradient(circle at 70% 20%,color-mix(in srgb,#7898a7 15%,transparent),transparent 52%),color-mix(in srgb,var(--panel) 64%,transparent)}.map-region:nth-child(3n){border-radius:38% 46% 34% 48%/42% 31% 47% 35%;background:radial-gradient(circle at 28% 76%,color-mix(in srgb,#a090b3 12%,transparent),transparent 55%),color-mix(in srgb,var(--panel) 64%,transparent)}.map-region:after{content:"";position:absolute;inset:13px;border:1px dashed color-mix(in srgb,var(--line) 55%,transparent);border-radius:inherit;opacity:.5}.map-region-title{position:absolute;left:28px;top:24px;z-index:2;display:grid;gap:3px;max-width:calc(100% - 56px)}.map-region-title span{color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.map-region-title strong{overflow:hidden;color:color-mix(in srgb,var(--ink) 92%,var(--accent));font-size:16px;letter-spacing:-.03em;text-overflow:ellipsis;white-space:nowrap}.map-region-title small{color:var(--muted);font-size:9px}
.node-layer{z-index:4;pointer-events:none}.map-node{position:absolute;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:7px;min-width:130px;max-width:178px;min-height:38px;padding:7px 9px;border:1px solid color-mix(in srgb,var(--line) 82%,transparent);border-radius:12px;background:color-mix(in srgb,var(--panel) 95%,transparent);color:var(--ink);box-shadow:0 7px 18px rgba(20,27,23,.065);transform:translate(-50%,-50%);pointer-events:auto;text-align:left;transition:border-color .16s,box-shadow .16s,transform .16s,background .16s,opacity .16s}.map-node:hover,.map-node:focus-visible{z-index:8;border-color:color-mix(in srgb,var(--accent) 52%,var(--line));background:var(--panel);box-shadow:0 12px 30px rgba(20,27,23,.11);transform:translate(-50%,-50%) scale(1.035);outline:none}.map-node.selected{z-index:9;border-color:color-mix(in srgb,var(--accent) 72%,var(--line));background:color-mix(in srgb,var(--accent-soft) 58%,var(--panel));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent),0 14px 34px rgba(20,27,23,.11)}.map-node.dimmed{opacity:.22}.map-node.root{min-width:154px;background:#edf3ee;border-color:#9cb0a1;font-weight:750}.map-node.domain{min-width:138px;border-color:#b5c6b9;background:#f4f8f4;font-weight:700}.map-node .dot{width:8px;height:8px;border:2px solid color-mix(in srgb,var(--accent) 70%,var(--ink));border-radius:50%;background:var(--panel);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent-soft) 70%,transparent)}.map-node.consensus .dot{width:12px;height:12px;background:color-mix(in srgb,var(--accent) 30%,var(--panel))}.map-node.high .dot{width:10px;height:10px}.map-node>span{overflow:hidden;font-size:10px;font-weight:650;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.map-node>small{color:var(--muted);font-size:8px;white-space:nowrap}
.gesture-hint{position:absolute;left:50%;bottom:11px;z-index:6;transform:translateX(-50%);padding:6px 9px;border-radius:999px;background:color-mix(in srgb,var(--panel) 84%,transparent);color:var(--muted);font-size:8px;backdrop-filter:blur(12px);pointer-events:none}.inspector{position:absolute;top:0;right:0;bottom:0;z-index:12;width:min(340px,88%);padding:24px 20px 20px;border-left:1px solid color-mix(in srgb,var(--line) 86%,transparent);background:color-mix(in srgb,var(--panel) 96%,transparent);backdrop-filter:blur(18px);box-shadow:-18px 0 54px rgba(25,32,28,.07);transform:translateX(102%);transition:transform .2s ease;overflow:auto}.inspector.open{transform:translateX(0)}.inspector-close{position:absolute;right:12px;top:12px;width:30px;height:30px;border:0;border-radius:50%;background:#efeee8;color:#686963;font-size:18px}.inspector h3{margin:6px 34px 8px 0;font-size:19px;line-height:1.3}.muted{color:var(--muted);line-height:1.7}.inspector-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:14px 0}.inspector-stats span{display:grid;gap:2px;padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.inspector-stats b{font-size:18px}.inspector-stats small{color:var(--muted);font-size:8px}.signal-card{margin:12px 0;padding:12px;border-radius:11px;background:var(--accent-soft)}.signal-card span{display:block;margin-bottom:5px;color:var(--accent);font-size:9px;font-weight:750}.signal-card p{margin:0;font-size:11px;line-height:1.65}.inspector-section{margin-top:16px}.inspector-section>span{display:block;margin-bottom:7px;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.06em}.inspector-evidence{display:grid;gap:7px}.inspector-evidence article{padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}.inspector-evidence b{font-size:10px}.inspector-evidence p{margin:5px 0 0;font-size:10px;line-height:1.5}.inspector-related{display:flex;flex-wrap:wrap;gap:5px}.inspector-related button{border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:6px 8px;color:var(--muted);font-size:9px}.inspector-related button:hover{background:var(--accent-soft);color:var(--accent)}
.consensus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.consensus-card{display:grid;gap:8px;min-height:150px;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.consensus-card .topline{display:flex;align-items:center;justify-content:space-between;gap:8px}.consensus-card .coverage{color:var(--accent);font-size:10px;font-weight:750}.consensus-card h3{margin:0;font-size:14px}.consensus-card p{margin:0;color:var(--muted);font-size:10px;line-height:1.62}.consensus-card small{margin-top:auto;color:#8f9089;font-size:9px}.consensus-card.core{border-color:#b6c8bb;background:linear-gradient(180deg,#fffefb,#f5f8f5)}
.matrix-shell{overflow:auto;border:1px solid var(--line);border-radius:16px;background:var(--panel)}table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:10px 12px;border-bottom:1px solid #e8e7e0;text-align:left;font-size:10px}thead th{position:sticky;top:0;z-index:2;background:#f7f6f2;color:var(--muted);font-weight:700}tbody tr:hover{background:#fafbf8}.matrix-point{display:grid;gap:3px;min-width:250px}.matrix-point strong{font-size:11px}.matrix-point small{color:var(--muted);font-size:8px}.matrix-cell{text-align:center!important}.matrix-cell b{display:inline-grid;place-items:center;min-width:24px;height:24px;border-radius:8px;background:#f0f0eb;color:#84857e}.matrix-cell b.hit{background:var(--accent-soft);color:var(--accent)}.matrix-total{font-weight:750}.matrix-row-hidden{display:none}
.evidence-head{align-items:center}.search-wrap{position:relative;display:block;width:min(360px,100%)}.search-wrap span{position:absolute;left:12px;top:8px;color:#84857e}.search-wrap input{width:100%;border:1px solid #cfcec6;border-radius:10px;background:#fff;padding:9px 11px 9px 34px;outline:none}.search-wrap input:focus{border-color:#738d7b;box-shadow:0 0 0 3px rgba(52,88,67,.09)}.active-evidence-filter{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;padding:10px 12px;border:1px solid #bdd0c2;border-radius:11px;background:var(--accent-soft);font-size:10px}.active-evidence-filter button{border:0;background:transparent;color:var(--accent);font-weight:700}.evidence-list{display:grid;gap:9px}.evidence-item{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:14px;align-items:start;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.evidence-ref{display:grid;gap:3px}.evidence-ref b{font-size:12px}.evidence-ref span{color:var(--muted);font-size:9px}.evidence-main p{margin:0;font-size:12px;line-height:1.65}.skill-chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.skill-chip{border:1px solid #d9ddd9;border-radius:999px;background:#f8faf8;padding:4px 7px;color:#5f6f63;font-size:8px}.skill-chip.primary{border-color:#b5c9ba;background:var(--accent-soft);color:var(--accent);font-weight:700}.evidence-domain{padding-top:2px;color:var(--muted);font-size:9px;white-space:nowrap}
footer{margin-top:40px;padding:18px 2px 0;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.7}
.textbook-section{scroll-margin-top:20px}.textbook-source-card{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.textbook-source-card h3{margin:5px 0 8px;font-size:18px}.textbook-source-card p:not(.eyebrow){margin:0;max-width:900px;color:var(--muted);font-size:11px;line-height:1.75}.textbook-source-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;align-content:center}.textbook-source-meta span{display:grid;gap:4px;padding:11px;border:1px solid #dfe3df;border-radius:11px;background:#f7f9f7}.textbook-source-meta b{font-size:11px}.textbook-source-meta small{color:var(--muted);font-size:8px}.relation-legend{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 10px;align-items:center;margin:10px 0 0;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:#faf9f5}.relation-legend em{color:var(--muted);font-size:9px;font-style:normal}.relation-badge{display:inline-flex;width:max-content;align-items:center;justify-content:center;min-height:24px;padding:5px 8px;border-radius:999px;font-size:9px;font-weight:750}.relation-badge.direct{background:#dcebe0;color:#2d6843}.relation-badge.task{background:#e5ecef;color:#486879}.relation-badge.method{background:#eee9f3;color:#6c5878}.relation-badge.weak{background:#f1eee5;color:#7a6a48}.relation-badge.none{background:#efefec;color:#84857e}.textbook-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:10px 0}.textbook-summary article{display:flex;align-items:baseline;gap:6px;min-height:58px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.textbook-summary b{font-size:22px}.textbook-summary span{color:var(--muted);font-size:9px}.textbook-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0}.relation-filter{display:flex;flex-wrap:wrap;gap:6px}.relation-filter button{border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:7px 10px;color:var(--muted);font-size:9px}.relation-filter button.active{border-color:#78917e;background:var(--accent-soft);color:var(--accent);font-weight:750}.textbook-question-list{display:grid;gap:9px}.textbook-question-card{display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px;padding:15px 16px;border:1px solid var(--line);border-radius:15px;background:var(--panel)}.textbook-question-ref{display:grid;align-content:start;gap:4px}.textbook-question-ref b{font-size:11px}.textbook-question-ref span{color:var(--muted);font-size:9px}.textbook-question-main{min-width:0}.textbook-question-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.textbook-question-main>p{margin:0;font-size:12px;line-height:1.62}.textbook-relation-note{margin-top:9px!important;padding:9px 11px;border-left:3px solid #bdc9bf;border-radius:7px;background:#f7f8f5;color:#4e514b;font-size:10px!important}.textbook-relation-note.direct{border-left-color:#6c9b7b;background:#f0f7f2}.textbook-relation-note.task{border-left-color:#7895a4;background:#f2f6f7}.textbook-relation-note.method{border-left-color:#8b7797;background:#f6f3f8}.textbook-relation-note.weak{border-left-color:#b3a57b;background:#faf8f1}.textbook-relation-note.none{border-left-color:#aaa;background:#f6f6f4}.textbook-evidence-list{display:grid;gap:7px;margin-top:10px}.textbook-evidence-card{padding:10px 11px;border:1px solid #e3e2db;border-radius:10px;background:var(--paper)}.textbook-evidence-head{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-bottom:6px}.textbook-evidence-head strong{font-size:10px}.textbook-page{color:var(--accent);font-size:8px;font-weight:700;white-space:nowrap}.textbook-evidence-card p{margin:0;color:#51534e;font-size:9px;line-height:1.6}.textbook-evidence-card small{display:block;margin-top:6px;color:#8b8c84;font-size:8px}.textbook-question-card details{margin-top:9px}.textbook-question-card summary{width:max-content;max-width:100%;cursor:pointer;color:var(--accent);font-size:9px;font-weight:700}.textbook-evidence-drawer{margin-top:12px;border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden}.textbook-evidence-drawer>summary{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;cursor:pointer;font-size:10px}.textbook-evidence-drawer>summary b{color:var(--accent);font-size:9px}.textbook-evidence-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0 14px 14px}.textbook-evidence-index .textbook-evidence-card{background:#fbfaf7}.evidence-item .textbook-mini{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.evidence-item .textbook-mini .relation-badge{min-height:20px;padding:3px 6px;font-size:7px}
@media(max-width:1080px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;padding:18px 22px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}.sidebar nav{display:flex;flex-wrap:wrap;gap:6px}.sidebar-note{display:none}main{padding:0 22px 58px}.topbar{height:92px}.hero{grid-template-columns:1fr}.summary-strip{grid-template-columns:repeat(3,minmax(0,1fr))}.consensus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1080px){.textbook-source-card{grid-template-columns:1fr}.textbook-source-meta{grid-template-columns:repeat(3,minmax(0,1fr))}.textbook-evidence-index{grid-template-columns:1fr}.textbook-summary{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:680px){main{padding:0 12px 46px}.sidebar{grid-template-columns:1fr}.sidebar nav{overflow:auto;flex-wrap:nowrap}.nav-item{white-space:nowrap;padding:9px 11px}.topbar h1{font-size:23px}.hero{padding:20px}.hero h2{font-size:28px}.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-strip article:last-child{grid-column:1/-1}.section-head{align-items:flex-start;flex-direction:column}.paper-filter{justify-content:flex-start}.map-viewport{height:650px}.map-toolbar{align-items:flex-start;flex-direction:column}.map-actions{align-self:flex-end}.consensus-grid{grid-template-columns:1fr}.evidence-head{align-items:stretch}.search-wrap{width:100%}.evidence-item{grid-template-columns:62px minmax(0,1fr)}.evidence-domain{grid-column:2}.inspector{top:auto;left:0;right:0;width:100%;height:min(72vh,620px);border-left:0;border-top:1px solid var(--line);transform:translateY(102%)}.inspector.open{transform:translateY(0)}.textbook-source-meta{grid-template-columns:1fr}.textbook-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.textbook-toolbar{align-items:stretch;flex-direction:column}.textbook-question-card{grid-template-columns:1fr}.textbook-question-top{flex-direction:column}.relation-legend{grid-template-columns:1fr}.relation-legend em{margin-bottom:4px}}