:root{--bg: #f5f7fa;--card: #ffffff;--card-hover: #e8ecf2;--accent1: #2563eb;--accent2: #0891b2;--accent3:#f59e0b;--accent4:#e94560;--accent5: #16a34a;--text: #1e293b;--text-dim: #6b7280;--border: rgba(15,23,42,0.084);--radius:12px;--radius-pill:9999px}

*{margin:0;padding:0;box-sizing:border-box}

body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji";background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}

/* Header */

.header{background:linear-gradient(135deg,#2563eb,#1d4ed8);padding:26px 20px 24px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.35);position:relative;overflow:hidden}

.header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--accent1),var(--accent2))}

.header h1{font-size:1.55rem;font-weight:700;color:#fff;letter-spacing:1px}

.header .sub{margin-top:6px;font-size:.82rem;opacity:.7;color:var(--text-dim)}

.back-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:6px 16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-dim);text-decoration:none;font-size:.85rem;transition:all .2s}

.back-link:hover{color:var(--accent2);border-color:var(--accent2)}

/* Layout */

.wrap{max-width:800px;margin:0 auto;padding:22px 16px 60px}

/* Sub-tabs */

.sub-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}

.sub-tab{padding:8px 16px;background:var(--card);border:1.5px solid var(--border);border-radius:30px;color:var(--text-dim);cursor:pointer;font-size:.82rem;font-weight:600;transition:all .25s;user-select:none}

.sub-tab:hover{color:var(--text);border-color:var(--accent1)}

.sub-tab.active{background:linear-gradient(135deg,var(--accent1),var(--accent2));border-color:transparent;color:#1e293b;box-shadow:0 4px 14px rgba(6,182,212,.3)}

/* Quiz Header */

.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}

.quiz-progress{flex:1;min-width:200px}

.progress-bar{width:100%;height:6px;background:var(--card);border-radius:3px;overflow:hidden;margin-bottom:4px}

.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent1),var(--accent2));transition:width .3s;border-radius:3px}

.progress-text{font-size:.8rem;color:var(--text-dim)}

.quiz-timer{padding:6px 16px;background:var(--card);border:1px solid var(--border);border-radius:20px;font-size:.88rem;color:var(--accent2);font-family:"Courier New",monospace;font-weight:600}

/* Material */

.material-box{background:#eef2f7;border:1.5px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}

.material-title{font-size:.85rem;font-weight:700;color:var(--accent3);margin-bottom:8px}

.material-content{font-size:.88rem;color:var(--text-dim);line-height:1.8;white-space:pre-wrap}

/* Question */

.question-box{background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:24px 20px}

.question-text{font-size:1rem;color:var(--text);line-height:1.8;margin-bottom:20px}

/* Options */

.options{display:flex;flex-direction:column;gap:10px}

.option{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:#eef2f7;border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:all .2s}

.option:hover{background:var(--card-hover);border-color:rgba(59,130,246,.2)}

.option .opt-label{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;border-radius:8px;background:rgba(59,130,246,.1);color:var(--accent1);font-weight:700;font-size:.9rem;flex-shrink:0}

.option .opt-text{flex:1;font-size:.92rem;color:var(--text);line-height:1.6;padding-top:4px}

.option.correct{background:rgba(34,197,94,.08);border-color:var(--accent5)}

.option.correct .opt-label{background:var(--accent5);color:#1e293b}

.option.wrong{background:rgba(233,69,96,.08);border-color:var(--accent4)}

.option.wrong .opt-label{background:var(--accent4);color:#1e293b}

/* Analysis */

.analysis-box{margin-top:20px;padding:16px;background:rgba(245,158,11,.05);border-left:3px solid var(--accent3);border-radius:8px}

.analysis-title{font-size:.85rem;font-weight:700;color:var(--accent3);margin-bottom:8px}

.analysis-content{font-size:.88rem;color:var(--text-dim);line-height:1.7}

/* Actions */

.quiz-actions{margin-top:20px;display:flex;justify-content:center;gap:12px}

.btn-next,.btn-finish,.btn-retry{padding:12px 36px;border:none;border-radius:30px;font-size:.92rem;font-weight:600;cursor:pointer;transition:all .25s}

.btn-next{background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#1e293b;box-shadow:0 4px 14px rgba(59,130,246,.3)}

.btn-next:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.4)}

.btn-finish{background:linear-gradient(135deg,var(--accent5),var(--accent2));color:#1e293b;box-shadow:0 4px 14px rgba(34,197,94,.3)}

.btn-finish:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(34,197,94,.4)}

.btn-retry{background:var(--card);border:1px solid var(--border);color:var(--text-dim)}

.btn-retry:hover{border-color:var(--accent2);color:var(--text)}

/* Result */

.result-box{text-align:center;background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:32px 20px}

.result-score{font-size:4rem;font-weight:700;background:linear-gradient(135deg,var(--accent1),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}

.result-label{font-size:.88rem;color:var(--text-dim);margin-bottom:24px}

.result-stats{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}

.stat{display:flex;flex-direction:column;align-items:center;gap:4px}

.stat-num{font-size:1.6rem;font-weight:700;color:var(--accent2)}

.stat-label{font-size:.78rem;color:var(--text-dim)}

.result-detail{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;text-align:left}

.detail-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#eef2f7;border:1px solid var(--border);border-radius:8px;font-size:.82rem}

.detail-item.wrong{border-color:rgba(233,69,96,.2)}

.detail-num{display:flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:50%;background:rgba(34,197,94,.12);color:var(--accent5);font-size:.75rem;font-weight:700}

.detail-item.wrong .detail-num{background:rgba(233,69,96,.12);color:var(--accent4)}

.detail-q{flex:1;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.detail-ans{color:var(--text-dim);font-size:.78rem;white-space:nowrap}

/* Empty */

.empty{text-align:center;padding:60px 20px;color:var(--text-dim);font-size:.95rem}

/* Responsive */

@media(max-width:600px){

  .question-text{font-size:.92rem}

  .option{padding:12px}

  .option .opt-text{font-size:.85rem}

  .result-score{font-size:3rem}

}



/* Question Image (P2 新增: 图形推理配图) */

.question-image{margin:-6px 0 18px;text-align:center}

.question-image img{max-width:100%;border-radius:10px;border:1.5px solid var(--border);background:#fff;padding:8px 12px;box-shadow:0 2px 10px rgba(0,0,0,.25)}



/* ===== v29 层级区分：子分类tab容器化强化为"内容层"（仅六大练习页有.sub-tabs，他页无此元素不受影响） ===== */

.sub-tabs{background:rgba(15,23,42,0.039);border:1px solid rgba(15,23,42,0.126);border-radius:14px;padding:12px 14px 14px;margin-bottom:24px}

.sub-tabs::before{content:"子分类";display:block;width:100%;font-size:.7rem;color:#5d6f8a;letter-spacing:3px;margin-bottom:9px;padding-left:2px}

.sub-tab{padding:10px 20px;font-size:.88rem;border-radius:10px}

.sub-tab.active{box-shadow:0 4px 16px rgba(6,182,212,.38)}



/* CGYD audit: narrow-screen controls and readable question content */

@media(max-width:600px){.quiz-actions{flex-wrap:wrap}.quiz-progress,.opt-text{min-width:0}.question-text,.opt-text,.material-content{overflow-wrap:anywhere}.sub-tab{min-height:44px}.question-image img{height:auto}.material-content{overflow-x:auto}}



/* ===== v33 交卷页：逐题展开完整题干/选项/解析 ===== */

.detail-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 10px}

.detail-hint{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim);font-size:.76rem}

.detail-hint .hint-ic{flex:none;color:var(--accent2);transform:translateY(.5px)}

.detail-all{padding:9px 15px;border:1px solid var(--border);background:var(--card);color:#8ab4ff;border-radius:9999px;font-size:.78rem;cursor:pointer;min-height:40px;transition:background .18s,border-color .18s,color .18s,transform .12s}

.detail-all:hover{border-color:var(--accent2);color:var(--accent2)}

.detail-all:active{transform:scale(.97)}

.detail-item{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none;transition:background .18s,border-color .18s}

.detail-item:hover{background:var(--card-hover)}

.detail-item:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}

.detail-item:active{background:#e8ecf2;border-color:rgba(37,99,235,.35)}

.detail-item.open{border-color:rgba(6,182,212,.42);background:var(--card-hover)}

/* v34: 箭头改内联 SVG（收起=右向，展开=旋转 90° 朝下），不再依赖字体里的 ▾ 字形 */

.detail-item .detail-ar{display:inline-flex;align-items:center;justify-content:center;flex:none;width:20px;height:20px;margin-left:6px;border-radius:6px;color:var(--text-dim);transition:transform .24s cubic-bezier(.22,.61,.36,1),color .2s,background-color .2s}

.detail-item .detail-ar svg{display:block}

.detail-item:hover .detail-ar{color:var(--text);background:rgba(15,23,42,0.07)}

.detail-item.open .detail-ar{transform:rotate(90deg);color:var(--accent2);background:rgba(6,182,212,.13)}

.detail-item.right .detail-num{background:rgba(34,197,94,.14);color:var(--accent5)}

.qd-box{margin:-6px 0 10px;padding:13px 14px;background:#eef2f7;border:1px solid rgba(6,182,212,.26);border-radius:10px;text-align:left;will-change:auto}

.qd-t{font-size:.75rem;font-weight:700;color:var(--accent3);margin-bottom:6px}

.qd-mat{margin-bottom:10px;padding:10px 12px;background:rgba(15,23,42,0.042);border-radius:8px}

.qd-mc{font-size:.82rem;color:var(--text-dim);line-height:1.75;white-space:pre-wrap}

.qd-src{font-size:.74rem;color:var(--text-dim);margin-bottom:6px}

.qd-q{font-size:.9rem;color:var(--text);line-height:1.8;margin-bottom:10px;overflow-wrap:anywhere}

.qd-img{margin:0 0 10px;text-align:center}

.qd-img img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border);background:#fff;padding:6px}

.qd-opts{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}

.qd-opt{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border-radius:8px;background:rgba(15,23,42,0.028);border:1px solid var(--border);font-size:.84rem;line-height:1.7}

.qd-opt .qd-l{flex:none;width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;background:rgba(59,130,246,.12);color:var(--accent1)}

.qd-opt .qd-ot{flex:1;min-width:0;overflow-wrap:anywhere;color:var(--text)}

.qd-opt.ok{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.45)}

.qd-opt.ok .qd-l{background:var(--accent5);color:#1e293b}

.qd-opt.bad{background:rgba(233,69,96,.08);border-color:rgba(233,69,96,.45)}

.qd-opt.bad .qd-l{background:var(--accent4);color:#1e293b}

.qd-ans{font-size:.78rem;color:var(--text-dim);margin-bottom:10px}

.qd-ans b.ok{color:var(--accent5)}

.qd-ans b.bad{color:var(--accent4)}

.qd-an{padding-top:9px;border-top:1px dashed var(--border)}

.qd-ac{font-size:.83rem;color:var(--text-dim);line-height:1.8;overflow-wrap:anywhere}

.qd-none{color:#6b7b93}



/* ===== v33 窄屏：明细行两行布局，题干不再被挤压成两字 ===== */

@media(max-width:600px){

  .detail-item{position:relative;flex-wrap:wrap;row-gap:6px;padding:12px 30px 12px 12px}

  .detail-item .detail-ar{position:absolute;top:11px;right:9px;margin:0}

  .detail-item .detail-q{flex:1 1 auto;min-width:0;padding-right:2px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-clamp:2}

  .detail-item .detail-ans{flex:0 0 100%;white-space:normal;text-align:left;font-size:.74rem}

  .detail-bar{flex-direction:column;align-items:stretch}

  .detail-bar .detail-all{width:100%}

  .qd-box{padding:12px}

  .qd-opts{gap:7px}

  .qd-opt{padding:9px 11px}

}



/* ===== v34 丝滑度：入场淡入 / 点击反馈 / 触达区补齐 / 降低动效偏好 ===== */

@keyframes cgydIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

.result-box{animation:cgydIn .26s ease-out both}

.analysis-box{animation:cgydIn .22s ease-out both}

.quiz-actions{animation:cgydIn .24s .04s ease-out both}

.result-detail .detail-item{animation:cgydIn .24s ease-out both;animation-delay:var(--d,0ms)}

.option{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

.option:active{transform:scale(.995)}

.qd-img img{animation:cgydIn .26s ease-out both}

.sub-tab,.btn-next,.btn-finish,.btn-retry,.detail-all,.btn-continue{-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none}

.sub-tab:active,.btn-next:active,.btn-finish:active,.btn-retry:active,.btn-continue:active{transform:scale(.975)}



/* ===== B10 移动端底部翻题条（v20260918）===== */

.m-nav{

  position:fixed;left:0;right:0;bottom:0;z-index:900;

  display:flex;align-items:center;justify-content:space-between;gap:10px;

  padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));

  background:rgba(245,247,250,.92);backdrop-filter:blur(10px);

  border-top:1px solid rgba(15,23,42,0.126);

}

.m-nav-btn{

  flex:1;max-width:150px;min-height:46px;padding:10px 14px;

  border:none;border-radius:12px;font-size:.95rem;font-weight:700;cursor:pointer;

  background:rgba(15,23,42,0.098);color:#1e293b;font-family:inherit;

  -webkit-tap-highlight-color:transparent;touch-action:manipulation;

}

.m-nav-btn:active{transform:scale(.97)}

.m-nav-btn:disabled{opacity:.35;cursor:not-allowed}

.m-nav-btn.primary{

  background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#1e293b;

  box-shadow:0 4px 14px rgba(59,130,246,.35);

}

.m-nav-pos{flex:none;font-size:.85rem;font-weight:700;color:#6b7280;font-variant-numeric:tabular-nums}

.m-nav-tip{flex:1;text-align:right;font-size:.78rem;color:#5d6f8a}

/* 有翻题条时页面底部留出空间，避免遮住解析尾部 */

@media(max-width:600px){

  body.m-has-nav .wrap{padding-bottom:86px}

  /* 选项触达：整行可点面积已足够，这里再把字号提到舒适阅读线 */

  .question-text{font-size:1rem}

  .option{padding:13px 14px}

  .option .opt-text{font-size:.95rem}

}



/* 触达区补齐：这几处的样式由 nav.js / gwy-enhance.js / cgyd-search.js 运行时注入，

   注入的 <style> 排在 quiz.css 之后，所以只能靠 !important 覆盖（只动尺寸，不动外观） */

#gwy-catbar a,#gwy-subnav a{min-height:40px!important;display:inline-flex!important;align-items:center;justify-content:center}

.gwy-tb-brand{min-height:38px!important;display:inline-flex!important;align-items:center}

#cgyd-search-fab{min-height:38px!important}

.gwy-qn{min-width:36px!important;min-height:36px!important;display:inline-flex!important;align-items:center;justify-content:center}

.back-link{min-height:40px}



@media(prefers-reduced-motion:reduce){

  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}

}



/* ===== 深色模式: 跟随系统（原深色主题全量保留） ===== */

@media (prefers-color-scheme: dark){:root{--bg:#0d1117;--card:#161b27;--card-hover:#1c2333;--accent1:#3b82f6;--accent2:#06b6d4;--accent3:#f59e0b;--accent4:#e94560;--accent5:#22c55e;--text:#e2e8f0;--text-dim:#94a3b8;--border:rgba(255,255,255,.06);--radius:12px;--radius-pill:9999px}

*{margin:0;padding:0;box-sizing:border-box}

body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji";background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}

/* Header */

.header{background:linear-gradient(135deg,#0f172a,#1e293b);padding:26px 20px 24px;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.35);position:relative;overflow:hidden}

.header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--accent1),var(--accent2))}

.header h1{font-size:1.55rem;font-weight:700;color:#fff;letter-spacing:1px}

.header .sub{margin-top:6px;font-size:.82rem;opacity:.7;color:var(--text-dim)}

.back-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:6px 16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-dim);text-decoration:none;font-size:.85rem;transition:all .2s}

.back-link:hover{color:var(--accent2);border-color:var(--accent2)}

/* Layout */

.wrap{max-width:800px;margin:0 auto;padding:22px 16px 60px}

/* Sub-tabs */

.sub-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}

.sub-tab{padding:8px 16px;background:var(--card);border:1.5px solid var(--border);border-radius:30px;color:var(--text-dim);cursor:pointer;font-size:.82rem;font-weight:600;transition:all .25s;user-select:none}

.sub-tab:hover{color:var(--text);border-color:var(--accent1)}

.sub-tab.active{background:linear-gradient(135deg,var(--accent1),var(--accent2));border-color:transparent;color:#fff;box-shadow:0 4px 14px rgba(6,182,212,.3)}

/* Quiz Header */

.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}

.quiz-progress{flex:1;min-width:200px}

.progress-bar{width:100%;height:6px;background:var(--card);border-radius:3px;overflow:hidden;margin-bottom:4px}

.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent1),var(--accent2));transition:width .3s;border-radius:3px}

.progress-text{font-size:.8rem;color:var(--text-dim)}

.quiz-timer{padding:6px 16px;background:var(--card);border:1px solid var(--border);border-radius:20px;font-size:.88rem;color:var(--accent2);font-family:"Courier New",monospace;font-weight:600}

/* Material */

.material-box{background:#0f172a;border:1.5px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}

.material-title{font-size:.85rem;font-weight:700;color:var(--accent3);margin-bottom:8px}

.material-content{font-size:.88rem;color:var(--text-dim);line-height:1.8;white-space:pre-wrap}

/* Question */

.question-box{background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:24px 20px}

.question-text{font-size:1rem;color:var(--text);line-height:1.8;margin-bottom:20px}

/* Options */

.options{display:flex;flex-direction:column;gap:10px}

.option{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:#0f172a;border:1.5px solid var(--border);border-radius:12px;cursor:pointer;transition:all .2s}

.option:hover{background:var(--card-hover);border-color:rgba(59,130,246,.2)}

.option .opt-label{display:flex;align-items:center;justify-content:center;min-width:32px;height:32px;border-radius:8px;background:rgba(59,130,246,.1);color:var(--accent1);font-weight:700;font-size:.9rem;flex-shrink:0}

.option .opt-text{flex:1;font-size:.92rem;color:var(--text);line-height:1.6;padding-top:4px}

.option.correct{background:rgba(34,197,94,.08);border-color:var(--accent5)}

.option.correct .opt-label{background:var(--accent5);color:#fff}

.option.wrong{background:rgba(233,69,96,.08);border-color:var(--accent4)}

.option.wrong .opt-label{background:var(--accent4);color:#fff}

/* Analysis */

.analysis-box{margin-top:20px;padding:16px;background:rgba(245,158,11,.05);border-left:3px solid var(--accent3);border-radius:8px}

.analysis-title{font-size:.85rem;font-weight:700;color:var(--accent3);margin-bottom:8px}

.analysis-content{font-size:.88rem;color:var(--text-dim);line-height:1.7}

/* Actions */

.quiz-actions{margin-top:20px;display:flex;justify-content:center;gap:12px}

.btn-next,.btn-finish,.btn-retry{padding:12px 36px;border:none;border-radius:30px;font-size:.92rem;font-weight:600;cursor:pointer;transition:all .25s}

.btn-next{background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#fff;box-shadow:0 4px 14px rgba(59,130,246,.3)}

.btn-next:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.4)}

.btn-finish{background:linear-gradient(135deg,var(--accent5),var(--accent2));color:#fff;box-shadow:0 4px 14px rgba(34,197,94,.3)}

.btn-finish:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(34,197,94,.4)}

.btn-retry{background:var(--card);border:1px solid var(--border);color:var(--text-dim)}

.btn-retry:hover{border-color:var(--accent2);color:var(--text)}

/* Result */

.result-box{text-align:center;background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:32px 20px}

.result-score{font-size:4rem;font-weight:700;background:linear-gradient(135deg,var(--accent1),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}

.result-label{font-size:.88rem;color:var(--text-dim);margin-bottom:24px}

.result-stats{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}

.stat{display:flex;flex-direction:column;align-items:center;gap:4px}

.stat-num{font-size:1.6rem;font-weight:700;color:var(--accent2)}

.stat-label{font-size:.78rem;color:var(--text-dim)}

.result-detail{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;text-align:left}

.detail-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#0f172a;border:1px solid var(--border);border-radius:8px;font-size:.82rem}

.detail-item.wrong{border-color:rgba(233,69,96,.2)}

.detail-num{display:flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:50%;background:rgba(34,197,94,.12);color:var(--accent5);font-size:.75rem;font-weight:700}

.detail-item.wrong .detail-num{background:rgba(233,69,96,.12);color:var(--accent4)}

.detail-q{flex:1;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.detail-ans{color:var(--text-dim);font-size:.78rem;white-space:nowrap}

/* Empty */

.empty{text-align:center;padding:60px 20px;color:var(--text-dim);font-size:.95rem}

/* Responsive */

@media(max-width:600px){

  .question-text{font-size:.92rem}

  .option{padding:12px}

  .option .opt-text{font-size:.85rem}

  .result-score{font-size:3rem}

}



/* Question Image (P2 新增: 图形推理配图) */

.question-image{margin:-6px 0 18px;text-align:center}

.question-image img{max-width:100%;border-radius:10px;border:1.5px solid var(--border);background:#fff;padding:8px 12px;box-shadow:0 2px 10px rgba(0,0,0,.25)}



/* ===== v29 层级区分：子分类tab容器化强化为"内容层"（仅六大练习页有.sub-tabs，他页无此元素不受影响） ===== */

.sub-tabs{background:rgba(255,255,255,.028);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:12px 14px 14px;margin-bottom:24px}

.sub-tabs::before{content:"子分类";display:block;width:100%;font-size:.7rem;color:#5d6f8a;letter-spacing:3px;margin-bottom:9px;padding-left:2px}

.sub-tab{padding:10px 20px;font-size:.88rem;border-radius:10px}

.sub-tab.active{box-shadow:0 4px 16px rgba(6,182,212,.38)}



/* CGYD audit: narrow-screen controls and readable question content */

@media(max-width:600px){.quiz-actions{flex-wrap:wrap}.quiz-progress,.opt-text{min-width:0}.question-text,.opt-text,.material-content{overflow-wrap:anywhere}.sub-tab{min-height:44px}.question-image img{height:auto}.material-content{overflow-x:auto}}



/* ===== v33 交卷页：逐题展开完整题干/选项/解析 ===== */

.detail-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 10px}

.detail-hint{display:inline-flex;align-items:center;gap:6px;color:var(--text-dim);font-size:.76rem}

.detail-hint .hint-ic{flex:none;color:var(--accent2);transform:translateY(.5px)}

.detail-all{padding:9px 15px;border:1px solid var(--border);background:var(--card);color:#8ab4ff;border-radius:9999px;font-size:.78rem;cursor:pointer;min-height:40px;transition:background .18s,border-color .18s,color .18s,transform .12s}

.detail-all:hover{border-color:var(--accent2);color:var(--accent2)}

.detail-all:active{transform:scale(.97)}

.detail-item{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none;transition:background .18s,border-color .18s}

.detail-item:hover{background:var(--card-hover)}

.detail-item:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}

.detail-item:active{background:#1a2333;border-color:rgba(6,182,212,.35)}

.detail-item.open{border-color:rgba(6,182,212,.42);background:var(--card-hover)}

/* v34: 箭头改内联 SVG（收起=右向，展开=旋转 90° 朝下），不再依赖字体里的 ▾ 字形 */

.detail-item .detail-ar{display:inline-flex;align-items:center;justify-content:center;flex:none;width:20px;height:20px;margin-left:6px;border-radius:6px;color:var(--text-dim);transition:transform .24s cubic-bezier(.22,.61,.36,1),color .2s,background-color .2s}

.detail-item .detail-ar svg{display:block}

.detail-item:hover .detail-ar{color:var(--text);background:rgba(255,255,255,.05)}

.detail-item.open .detail-ar{transform:rotate(90deg);color:var(--accent2);background:rgba(6,182,212,.13)}

.detail-item.right .detail-num{background:rgba(34,197,94,.14);color:var(--accent5)}

.qd-box{margin:-6px 0 10px;padding:13px 14px;background:#0f172a;border:1px solid rgba(6,182,212,.26);border-radius:10px;text-align:left;will-change:auto}

.qd-t{font-size:.75rem;font-weight:700;color:var(--accent3);margin-bottom:6px}

.qd-mat{margin-bottom:10px;padding:10px 12px;background:rgba(255,255,255,.03);border-radius:8px}

.qd-mc{font-size:.82rem;color:var(--text-dim);line-height:1.75;white-space:pre-wrap}

.qd-src{font-size:.74rem;color:var(--text-dim);margin-bottom:6px}

.qd-q{font-size:.9rem;color:var(--text);line-height:1.8;margin-bottom:10px;overflow-wrap:anywhere}

.qd-img{margin:0 0 10px;text-align:center}

.qd-img img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border);background:#fff;padding:6px}

.qd-opts{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}

.qd-opt{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.02);border:1px solid var(--border);font-size:.84rem;line-height:1.7}

.qd-opt .qd-l{flex:none;width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;background:rgba(59,130,246,.12);color:var(--accent1)}

.qd-opt .qd-ot{flex:1;min-width:0;overflow-wrap:anywhere;color:var(--text)}

.qd-opt.ok{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.45)}

.qd-opt.ok .qd-l{background:var(--accent5);color:#fff}

.qd-opt.bad{background:rgba(233,69,96,.08);border-color:rgba(233,69,96,.45)}

.qd-opt.bad .qd-l{background:var(--accent4);color:#fff}

.qd-ans{font-size:.78rem;color:var(--text-dim);margin-bottom:10px}

.qd-ans b.ok{color:var(--accent5)}

.qd-ans b.bad{color:var(--accent4)}

.qd-an{padding-top:9px;border-top:1px dashed var(--border)}

.qd-ac{font-size:.83rem;color:var(--text-dim);line-height:1.8;overflow-wrap:anywhere}

.qd-none{color:#6b7b93}



/* ===== v33 窄屏：明细行两行布局，题干不再被挤压成两字 ===== */

@media(max-width:600px){

  .detail-item{position:relative;flex-wrap:wrap;row-gap:6px;padding:12px 30px 12px 12px}

  .detail-item .detail-ar{position:absolute;top:11px;right:9px;margin:0}

  .detail-item .detail-q{flex:1 1 auto;min-width:0;padding-right:2px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-clamp:2}

  .detail-item .detail-ans{flex:0 0 100%;white-space:normal;text-align:left;font-size:.74rem}

  .detail-bar{flex-direction:column;align-items:stretch}

  .detail-bar .detail-all{width:100%}

  .qd-box{padding:12px}

  .qd-opts{gap:7px}

  .qd-opt{padding:9px 11px}

}



/* ===== v34 丝滑度：入场淡入 / 点击反馈 / 触达区补齐 / 降低动效偏好 ===== */

@keyframes cgydIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

.result-box{animation:cgydIn .26s ease-out both}

.analysis-box{animation:cgydIn .22s ease-out both}

.quiz-actions{animation:cgydIn .24s .04s ease-out both}

.result-detail .detail-item{animation:cgydIn .24s ease-out both;animation-delay:var(--d,0ms)}

.option{-webkit-tap-highlight-color:transparent;touch-action:manipulation}

.option:active{transform:scale(.995)}

.qd-img img{animation:cgydIn .26s ease-out both}

.sub-tab,.btn-next,.btn-finish,.btn-retry,.detail-all,.btn-continue{-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none}

.sub-tab:active,.btn-next:active,.btn-finish:active,.btn-retry:active,.btn-continue:active{transform:scale(.975)}



/* ===== B10 移动端底部翻题条（v20260918）===== */

.m-nav{

  position:fixed;left:0;right:0;bottom:0;z-index:900;

  display:flex;align-items:center;justify-content:space-between;gap:10px;

  padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));

  background:rgba(13,17,23,.92);backdrop-filter:blur(10px);

  border-top:1px solid rgba(255,255,255,.09);

}

.m-nav-btn{

  flex:1;max-width:150px;min-height:46px;padding:10px 14px;

  border:none;border-radius:12px;font-size:.95rem;font-weight:700;cursor:pointer;

  background:rgba(255,255,255,.07);color:#e2e8f0;font-family:inherit;

  -webkit-tap-highlight-color:transparent;touch-action:manipulation;

}

.m-nav-btn:active{transform:scale(.97)}

.m-nav-btn:disabled{opacity:.35;cursor:not-allowed}

.m-nav-btn.primary{

  background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#fff;

  box-shadow:0 4px 14px rgba(59,130,246,.35);

}

.m-nav-pos{flex:none;font-size:.85rem;font-weight:700;color:#94a3b8;font-variant-numeric:tabular-nums}

.m-nav-tip{flex:1;text-align:right;font-size:.78rem;color:#5d6f8a}

/* 有翻题条时页面底部留出空间，避免遮住解析尾部 */

@media(max-width:600px){

  body.m-has-nav .wrap{padding-bottom:86px}

  /* 选项触达：整行可点面积已足够，这里再把字号提到舒适阅读线 */

  .question-text{font-size:1rem}

  .option{padding:13px 14px}

  .option .opt-text{font-size:.95rem}

}



/* 触达区补齐：这几处的样式由 nav.js / gwy-enhance.js / cgyd-search.js 运行时注入，

   注入的 <style> 排在 quiz.css 之后，所以只能靠 !important 覆盖（只动尺寸，不动外观） */

#gwy-catbar a,#gwy-subnav a{min-height:40px!important;display:inline-flex!important;align-items:center;justify-content:center}

.gwy-tb-brand{min-height:38px!important;display:inline-flex!important;align-items:center}

#cgyd-search-fab{min-height:38px!important}

.gwy-qn{min-width:36px!important;min-height:36px!important;display:inline-flex!important;align-items:center;justify-content:center}

.back-link{min-height:40px}



@media(prefers-reduced-motion:reduce){

  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}

}

}


/* ===== [duo-side-20261003] 桌面宽屏：简介+FAQ 移到左侧空白区（上下结构），右侧子分类+练习 ===== */
@media (min-width: 1200px){
  .wrap{max-width:1300px;display:grid;grid-template-columns:350px minmax(0,1fr);gap:0 20px;align-items:start}
  .wrap .mod-duo{grid-column:1;grid-row:1 / span 2;display:flex;flex-direction:column;gap:14px;margin:0;position:sticky;top:76px}
  /* [card-width-20261003] HTML 内联 .mod-duo{align-items:start} 使 flex 子项按内容收缩（FAQ 256px vs 简介 350px）。
     左栏两卡应统一铺满栏宽：覆盖为 stretch，两卡宽度一致。 */
  .wrap .mod-duo{align-items:stretch!important}
  .wrap .mod-duo .mod-intro,.wrap .mod-duo .mod-faq{margin:0;align-self:stretch!important;width:100%}
  .wrap .sub-tabs{grid-column:2;grid-row:1}
  .wrap #quiz-area{grid-column:2;grid-row:2}
}
@media (min-width: 1200px) and (max-width: 1339px){
  .wrap{grid-template-columns:320px minmax(0,1fr)}
}

/* ===== [duo-polish-20261003] 模块页整体视觉优化：左侧栏卡片化 + 右侧练习区强化 ===== */
/* --- 左侧栏：简介 / FAQ 卡片精修（深浅双模式沿用既有变量） --- */
@media (min-width: 1200px){
  .wrap .mod-duo .mod-intro,.wrap .mod-duo .mod-faq{
    border-radius:14px;
    box-shadow:0 1px 3px rgba(15,23,42,.05),0 8px 24px -12px rgba(15,23,42,.12);
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
  }
  /* 简介卡：标题行加图标徽记，正文行高再放松 */
  .wrap .mod-duo .mod-intro{padding:16px 16px 14px;line-height:1.95}
  .wrap .mod-duo .mod-intro .mi-t{
    display:flex;align-items:center;gap:7px;
    font-size:.9rem;margin-bottom:8px;padding-bottom:8px;
    border-bottom:1px dashed rgba(148,163,184,.28);
  }
  .wrap .mod-duo .mod-intro .mi-t::before{content:"📘";font-size:1rem;line-height:1}
  /* FAQ 卡：标题行同样式，展开项 hover 反馈 */
  .wrap .mod-duo .mod-faq{padding:14px 16px 10px}
  .wrap .mod-duo .mod-faq .mf-t{
    display:flex;align-items:center;gap:7px;
    padding-bottom:8px;margin-bottom:2px;
    border-bottom:1px dashed rgba(148,163,184,.28);
  }
  .wrap .mod-duo .mod-faq .mf-t::before{content:"💡";font-size:1rem;line-height:1}
  .wrap .mod-duo .mod-faq summary{transition:color .15s ease}
  .wrap .mod-duo .mod-faq summary:hover{color:var(--accent1,#3b82f6)}
  .wrap .mod-duo .mod-faq details{border-top:1px dashed rgba(148,163,184,.18)}
  .wrap .mod-duo .mod-faq details:first-of-type{border-top:0}
}
/* --- 右侧主列：子分类容器与练习面板衔接感 --- */
@media (min-width: 1200px){
  .wrap .sub-tabs{box-shadow:0 1px 3px rgba(15,23,42,.04)}
  /* 面板级留白统一：练习设置 / 答题卡片顶部与子分类拉开呼吸感 */
  .wrap #quiz-area > *{scroll-margin-top:80px}
}
/* --- 全宽度段（<1200px 也生效）：两卡片在窄屏单列时保持一致观感 --- */
.mod-intro,.mod-faq{scroll-margin-top:80px}
/* --- 加载失败/重试提示卡片微调：与整体卡片语言统一 --- */
#quiz-area .empty{border-radius:14px}
.qz-retrying b{color:var(--accent1,#3b82f6)}