/* ===== 专项训练中心（九组辨析专题） ===== */
.topic-specialty-entry{border-color:rgba(192,57,43,.3)!important;background:linear-gradient(105deg,rgba(231,76,60,.08),rgba(52,152,219,.06))!important}
.topic-specialty-entry .qs-icon{background:linear-gradient(135deg,#e74c3c22,#3498db22)!important;color:#c0392b!important}

/* 中心首页：克制的编辑式训练目录，强调“练什么”而不是彩色分类。 */
.topic-specialty-hub{max-width:1040px;margin:0 auto;padding-bottom:48px;color:var(--t)}
.topic-hub-intro{position:relative;margin:20px 0 26px;padding:30px 34px;border:1px solid color-mix(in srgb,var(--line) 82%,#1b7778);border-radius:20px;background:linear-gradient(135deg,color-mix(in srgb,var(--card) 92%,#dcefed),var(--card));overflow:hidden}
.topic-hub-intro::after{content:'辨';position:absolute;right:22px;top:-35px;color:color-mix(in srgb,#147d7b 7%,transparent);font:700 150px/1 "STSong","Songti SC",serif;pointer-events:none}
.topic-hub-intro>span{display:block;margin-bottom:9px;color:#16807f;font-size:11px;font-weight:800;letter-spacing:.14em}
.topic-hub-intro h2{position:relative;margin:0;color:var(--t);font:700 clamp(25px,3vw,38px)/1.15 "Songti SC","STSong",serif;letter-spacing:-.025em}
.topic-hub-intro p{position:relative;max-width:680px;margin:13px 0 0;color:var(--t2);font-size:14px;line-height:1.8}
.ts-sections{display:grid;gap:28px}
.ts-section>header{display:flex;align-items:flex-start;gap:13px;margin-bottom:11px}
.ts-section>header i{padding-top:2px;color:#c07928;font:700 11px/1.5 ui-monospace,SFMono-Regular,monospace;font-style:normal;letter-spacing:.1em}
.ts-section>header b{display:block;color:var(--t);font-size:17px;line-height:1.25}
.ts-section>header p{margin:4px 0 0;color:var(--t3);font-size:12px;line-height:1.5}
.ts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.ts-card{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:15px;min-height:132px;padding:20px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--card) 96%,#d9ece8);color:var(--t);text-align:left;cursor:pointer;overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.ts-card::after{content:'';position:absolute;inset:0 auto 0 0;width:3px;background:#17817e;opacity:0;transition:opacity .18s}
.ts-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,#17817e 55%,var(--line));box-shadow:0 12px 30px rgba(19,56,59,.09)}
.ts-card:hover::after{opacity:1}
.ts-icon{align-self:start;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid color-mix(in srgb,#17817e 38%,var(--line));background:transparent;color:#147b79;font:700 11px/1 ui-monospace,SFMono-Regular,monospace;letter-spacing:.08em}
.ts-meta{min-width:0}
.ts-track{display:block;margin-bottom:6px;color:#17817e;font-size:10px;font-weight:800;letter-spacing:.1em}
.ts-meta b{display:block;color:var(--t);font-size:17px;line-height:1.3}
.ts-meta small{display:block;margin-top:6px;color:var(--t2);font-size:13px;line-height:1.55}
.ts-examples{display:block;margin-top:8px;color:var(--t3);font-size:11px;line-height:1.4}
.ts-progress{align-self:stretch;display:flex;min-width:90px;flex-direction:column;align-items:flex-end;justify-content:center;border-left:1px solid var(--line);padding-left:15px}
.ts-progress strong{color:var(--t);font:700 24px/1 ui-monospace,SFMono-Regular,monospace}
.ts-progress strong small{margin-left:3px;color:var(--t3);font:500 10px/1 sans-serif}
.ts-progress em{margin-top:10px;color:var(--t3);font-size:11px;font-style:normal;white-space:nowrap}
.ts-card:hover .ts-progress em{color:#147b79}
.ts-weak{margin-bottom:7px;padding:3px 6px;border-radius:4px;background:#c07928;color:#fff;font-size:9px;font-weight:700}
.ts-person .ts-icon{border-color:color-mix(in srgb,#c07928 45%,var(--line));color:#a5611f}

/* 刷题时的上下文条 */
.topic-specialty-bar{border-left:3px solid var(--gc,#888)!important}
.topic-mode-switch{display:flex;gap:8px;margin:10px 0 14px}
.topic-mode-switch button{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer;text-align:left}
.topic-mode-switch button span{font-size:13px;font-weight:700;color:var(--t1)}
.topic-mode-switch button small{font-size:11px;color:var(--t3)}
.topic-mode-switch button.on{border-color:var(--gc,#5a8cf0);background:color-mix(in srgb,var(--gc,#5a8cf0) 8%,var(--card));box-shadow:inset 3px 0 var(--gc,#5a8cf0)}

/* 题目里的易混点上下文卡 */
.topic-question-context{display:flex;align-items:flex-start;gap:12px;padding:12px 16px!important;flex-wrap:wrap}
.topic-question-context>span{font:700 11px ui-monospace,monospace;letter-spacing:.06em;color:var(--gc,#3498db)}
.topic-confuse-tags{display:flex;flex-wrap:wrap;gap:6px;flex:1;min-width:120px}
.topic-confuse-tags i{font-style:normal;font-size:12px;border:1px solid var(--line);border-radius:999px;padding:5px 9px;background:var(--card)}
.topic-mnemonic{margin:0!important;font-size:12px!important;color:var(--t2)!important;background:color-mix(in srgb,var(--gc,#3498db) 7%,transparent);padding:8px 10px;border-radius:6px;border-left:2px solid var(--gc,#3498db);width:100%}

@media(max-width:760px){
  .topic-hub-intro{padding:24px 22px}.topic-hub-intro::after{font-size:110px}
  .ts-grid{grid-template-columns:1fr}
  .ts-card{grid-template-columns:38px minmax(0,1fr);padding:17px;min-height:0}
  .ts-icon{width:36px;height:36px}
  .ts-progress{grid-column:2;align-self:auto;min-width:0;flex-direction:row;align-items:center;justify-content:flex-start;gap:10px;border:0;padding:2px 0 0}
  .ts-progress strong{font-size:16px}.ts-progress em{margin:0}
  .topic-mode-switch{flex-direction:column}
  .topic-question-context{flex-direction:column;align-items:flex-start}
}

/* ===== 解析增强（考点补充卡） ===== */
.quiz-enhancement{margin-top:8px;border-left:3px solid #5a8cf0!important;background:rgba(90,140,240,.05)!important}
.quiz-enhancement summary{font-weight:600;color:#5a8cf0}
.quiz-enhancement[open] summary{margin-bottom:8px}
.quiz-enhancement .enh-point,.quiz-enhancement .enh-trap,.quiz-enhancement .enh-memo{display:flex;gap:8px;padding:6px 0;border-top:1px dashed var(--line);font-size:13px;line-height:1.6}
.quiz-enhancement .enh-point:first-of-type,.quiz-enhancement .enh-trap:first-of-type,.quiz-enhancement .enh-memo:first-of-type{border-top:0}
.quiz-enhancement span{flex:none;font:700 11px ui-monospace,monospace;color:var(--t3);min-width:32px;padding-top:2px}
.quiz-enhancement .enh-point span{color:#5a8cf0}
.quiz-enhancement .enh-trap span{color:#e67e22}
.quiz-enhancement .enh-memo span{color:#27ae60}
.quiz-enhancement .enh-point div,.quiz-enhancement .enh-trap div,.quiz-enhancement .enh-memo div{color:var(--t1)}
.quiz-enhancement .enh-source{display:block;margin-top:6px;font-size:10px;color:var(--t3);opacity:.7}

/* ===== 解析区合并样式 ===== */
.quiz-exp-divider{border:0;border-top:1px dashed var(--line);margin:14px 0 10px}
.quiz-exp-enh-group{margin-top:4px}
.quiz-exp-enh-title{font:700 12px ui-monospace,monospace;letter-spacing:.04em;color:#5a8cf0;margin-bottom:8px;padding-left:2px}
.quiz-exp-enh-group .enh-point,.quiz-exp-enh-group .enh-trap,.quiz-exp-enh-group .enh-memo{padding:5px 0;border-top:0}

/* ===== 解析配图/配表 ===== */
.quiz-visual{margin-top:10px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--card)}
.quiz-visual>summary{padding:10px 14px;font-weight:600;font-size:13px;cursor:pointer;background:rgba(90,140,240,.06);color:var(--t1)}
.quiz-table-block{border-left:3px solid #5a8cf0}
.quiz-compare-table{width:100%;border-collapse:collapse;font-size:12px;margin:8px 0}
.quiz-compare-table th{background:rgba(90,140,240,.1);color:#5a8cf0;padding:7px 8px;text-align:left;font-weight:600;border-bottom:1px solid var(--line);white-space:nowrap}
.quiz-compare-table td{padding:6px 8px;border-bottom:1px solid var(--line);color:var(--t1);line-height:1.5}
.quiz-compare-table tr.tv-first td{font-weight:600;color:var(--t1)}
.quiz-compare-table tr.tv-first td:first-child{color:#5a8cf0}
.quiz-table-hint{padding:6px 12px 10px;font-size:11px;color:#27ae60;background:rgba(39,174,96,.05);border-top:1px dashed var(--line)}
.quiz-image-block{border-left:3px solid #e67e22}
.quiz-visual-img-wrap{padding:10px;text-align:center}
.quiz-visual-img-wrap img{max-width:100%;max-height:240px;border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.quiz-visual-features{margin:0 14px 8px;padding:6px 16px;font-size:12px;color:var(--t2)}
.quiz-visual-features li{padding:2px 0}
.quiz-visual-confuse{margin:0 14px 10px;padding:6px 10px;font-size:12px;color:#e67e22;background:rgba(230,126,34,.08);border-radius:4px}
.quiz-visual-spot-tag{padding:4px 14px 10px;font-size:11px;color:var(--t3)}
.quiz-knowledge-map{border-left:3px solid #39a7a0;background:linear-gradient(145deg,rgba(21,46,58,.98),rgba(13,29,43,.98));color:#eef8f6}
.quiz-knowledge-map>summary{display:flex;align-items:center;gap:9px;color:#eef8f6;background:rgba(70,196,180,.1)}
.quiz-knowledge-map>summary span{flex:none;padding:3px 7px;border:1px solid rgba(117,226,208,.45);border-radius:99px;color:#83e1d1;font:700 10px/1.2 ui-monospace,monospace;letter-spacing:.08em}
.knowledge-map-preview{position:relative;display:block;width:100%;padding:12px;border:0;background:transparent;cursor:zoom-in;text-align:center}
/* 框收缩到刚好包住缩略图:inline-block 随图自适应宽高,再在卡片里居中,不再整行铺满留大空框 */
.kmp-frame{position:relative;display:inline-block;max-width:100%;vertical-align:top}
.knowledge-map-preview img{display:block;width:auto;height:auto;max-width:100%;border-radius:9px;background:#0b1a25;box-shadow:0 12px 36px rgba(0,0,0,.26)}
.knowledge-map-preview i{position:absolute;right:8px;bottom:8px;padding:6px 9px;border-radius:99px;color:#fff;background:rgba(4,16,24,.78);font:600 10px/1 sans-serif;font-style:normal;backdrop-filter:blur(8px)}
.knowledge-map-meta{display:flex;justify-content:space-between;gap:12px;padding:0 14px 12px;color:#9db9c1;font-size:10px}
.knowledge-map-meta span{color:#6dd1c0;font-weight:700}
.knowledge-map-lightbox{position:fixed;z-index:100000;inset:0;display:grid;grid-template-rows:auto 1fr;background:rgba(3,10,16,.96);backdrop-filter:blur(14px)}
.knowledge-map-lightbox-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;color:#f3fbfa;background:rgba(7,24,33,.94);border-bottom:1px solid rgba(139,221,210,.18)}
.knowledge-map-lightbox-bar>b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.knowledge-map-lightbox-bar>div{display:flex;align-items:center;gap:8px;flex:none}
.knowledge-map-lightbox-bar a,.knowledge-map-lightbox-bar button{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 12px;border:1px solid rgba(139,221,210,.28);border-radius:99px;color:#dff7f2;background:rgba(109,209,192,.09);font-size:11px;text-decoration:none;cursor:pointer}
.knowledge-map-lightbox-bar button{width:34px;padding:0;font-size:22px}
.knowledge-map-lightbox-canvas{overflow:auto;padding:18px;text-align:center;overscroll-behavior:contain}
.knowledge-map-lightbox-canvas img{max-width:none;width:auto;height:auto;min-width:min(100%,900px);border-radius:10px;box-shadow:0 20px 80px rgba(0,0,0,.5)}
@media(max-width:760px){
  .quiz-compare-table{font-size:11px}
  .quiz-compare-table th,.quiz-compare-table td{padding:5px 6px}
  .quiz-visual-img-wrap img{max-height:180px}
  .knowledge-map-preview{padding:8px}
  .knowledge-map-preview i{right:6px;bottom:6px}
  .knowledge-map-meta{display:block;padding:1px 10px 10px}
  .knowledge-map-meta small{display:block;margin-top:3px}
  .knowledge-map-lightbox-bar{padding:10px}
  .knowledge-map-lightbox-bar>b{font-size:11px}
  .knowledge-map-lightbox-canvas{padding:8px}
  .knowledge-map-lightbox-canvas img{min-width:100%}
}

/* ===== 选项知识点展开 ===== */
.quiz-option-kb{border-left:3px solid #27ae60}
.opt-kb-list{padding:8px 12px}
.opt-kb-item{display:flex;align-items:flex-start;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:12px;line-height:1.5}
.opt-kb-item:last-child{border-bottom:0}
.opt-kb-letter{flex:none;width:22px;height:22px;border-radius:50%;background:var(--line);color:var(--t3);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.opt-kb-item.is-correct .opt-kb-letter{background:#27ae60;color:#fff}
.opt-kb-name{flex:none;font-weight:600;color:var(--t1);min-width:60px}
.opt-kb-item.is-correct .opt-kb-name{color:#27ae60}
.opt-kb-desc{color:var(--t2);flex:1}
@media(max-width:760px){
  .opt-kb-item{flex-wrap:wrap;gap:4px}
  .opt-kb-name{min-width:auto}
}

/* 解析配图缩略图:默认小图省空间,点击图即放大(无文字提示,悬停微放大作暗示) */
.quiz-visual-thumb{position:relative;display:block;width:100%;padding:8px;border:0;background:transparent;cursor:zoom-in}
.quiz-visual-thumb img{display:block;width:100%;max-height:150px;object-fit:cover;object-position:center;border-radius:10px;background:#0b1a25;box-shadow:0 8px 22px rgba(0,0,0,.2);transition:transform .15s ease,box-shadow .15s ease}
.quiz-visual-thumb:hover img{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.3)}
@media(max-width:768px){
  .quiz-visual-thumb img{max-height:118px}
  .quiz-visual-thumb{padding:6px}
}

/* 一图搞懂无框化:取消深色卡与边框,浅色标题行紧跟正确答案下方,缩略图直接贴在标题下(仍可点击放大) */
/* 有图且有解析:左图右解析两栏;窄屏/手机自动上下排(图在上) */
.quiz-exp-split{display:flex;gap:14px;align-items:flex-start;margin-top:10px}
.quiz-exp-split-visual{flex:0 0 clamp(240px,30%,360px);min-width:0}
.quiz-exp-split-visual .knowledge-map-preview img{max-height:280px}
.quiz-exp-split-text{flex:1;min-width:0}
@media(max-width:820px){
  .quiz-exp-split{flex-direction:column}
  .quiz-exp-split-visual{flex:none}
  .quiz-exp-split-visual .knowledge-map-preview img{max-height:190px}
}
body[data-view="quiz"] .quiz-knowledge-map{margin:2px 0 0;background:transparent;border:0;border-radius:0;overflow:visible;color:var(--t2)}
body[data-view="quiz"] .quiz-knowledge-map>summary{padding:4px 0 6px;font-weight:600;font-size:13px;background:transparent;color:#2a8a81}
body[data-view="quiz"] .quiz-knowledge-map>summary span{border:1px solid rgba(42,138,129,.4);background:rgba(42,138,129,.07);color:#2a8a81}
body[data-view="quiz"] .knowledge-map-preview{padding:0 0 4px}
body[data-view="quiz"] .knowledge-map-preview img{max-height:250px;box-shadow:0 4px 14px rgba(9,44,71,.14)}
body[data-view="quiz"] .knowledge-map-meta{padding:0 0 10px;color:var(--t3)}
@media(max-width:768px){
  body[data-view="quiz"] .knowledge-map-preview img{max-height:190px}
}