/* 错题本改版(2026-10-19):原作答图 + 红笔批改。只作用于 mistakes.html。 */
.mk-filters{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 14px;margin:16px 0 4px}
.mk-filters label{font-weight:600;font-size:13px;color:var(--muted)}
.mk-filters select{margin-top:4px;min-width:150px;padding:8px 10px}
.mk-filters .mk-check{display:flex;align-items:center;gap:6px;min-height:44px;color:var(--ink);font-size:14px}
.mk-filters button{margin-left:auto}
.mk-card{padding:20px 22px}
.mk-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.mk-head h2{font-size:20px;line-height:1.4;margin:0}
.mk-meta{margin:4px 0 0;color:var(--muted);font-size:13px}
.mk-score{flex:none;margin:0;color:#c62828;font:700 26px/1 "Segoe Print","Comic Sans MS","Kaiti SC","STKaiti","KaiTi",cursive;white-space:nowrap}
.mk-score small{font-size:16px}
.mk-tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 14px}
.mk-tags .badge{margin:0}
.mk-cause{font-size:13px;padding:4px 10px;border-radius:16px;background:#fdecea;color:#a3271f;font-weight:600}
.mk-work{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:20px;align-items:start}
.mk-sheet{margin:0}
.mk-work.no-sheet{grid-template-columns:1fr;gap:10px}
.mk-imgwrap{position:relative;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.mk-imgwrap.has-margin{padding-right:46px;background:linear-gradient(to left,#fff7f6 0,#fff7f6 46px,#fff 46px)}
.mk-imgwrap.has-margin::after{content:"";position:absolute;top:0;bottom:0;right:46px;border-left:2px solid #f3b8b3}
.mk-img{border:0;margin:0;max-height:none;max-width:none!important}
.mk-paper{padding:18px 20px;min-height:120px;background:repeating-linear-gradient(#fff 0 31px,#e4ecf2 31px 32px)}
.mk-paper.has-margin{padding-right:62px;background:linear-gradient(to left,#fff7f6 0,#fff7f6 46px,transparent 46px),repeating-linear-gradient(#fff 0 31px,#e4ecf2 31px 32px)}
.mk-paper-text{white-space:pre-wrap;line-height:32px;font-size:17px}
.mk-stamp{position:absolute;top:10px;right:56px;transform:rotate(-8deg);color:#c62828;border:2.5px solid #c62828;border-radius:50%;min-width:62px;height:62px;display:flex;align-items:center;justify-content:center;font:700 22px/1 "Segoe Print","Comic Sans MS","KaiTi",cursive;background:rgba(255,255,255,.35);padding:0 6px}
.mk-imgwrap:not(.has-margin) .mk-stamp{right:12px}
.mk-stamp small{font-size:14px}
.mk-margin{position:absolute;top:84px;bottom:12px;right:0;width:46px;margin:0;padding:0;list-style:none;display:flex;flex-direction:column;justify-content:space-around;align-items:center}
.mk-margin li{position:relative;font:700 24px/1 "Segoe Print","Comic Sans MS",cursive;color:#c62828}
.mk-margin li.ok{color:#c62828;opacity:.9}
.mk-margin sup{position:absolute;left:-13px;top:-6px;font:700 11px/1 system-ui,sans-serif;color:#fff;background:#c62828;border-radius:9px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center}
.mk-sheet figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.mk-none{color:var(--muted);background:#f6f8f8;border-radius:8px;padding:12px 14px;margin:0}
.mk-marks h3{margin:0 0 10px;font-size:16px;color:#a3271f}
.mk-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.mk-points li{border:1px solid var(--line);border-left:4px solid #3a9b6f;border-radius:8px;padding:8px 12px;background:#fff}
.mk-points li.lost{border-left-color:#c62828;background:#fff8f7}
.mk-pt-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px}
.mk-pt-head b{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:9px;background:#c62828;color:#fff;font-size:11px}
.mk-pt-head em{margin-left:auto;font-style:normal;font-weight:700}
.mk-tick{font:700 18px/1 "Segoe Print","Comic Sans MS",cursive;color:#2f8a5f}
.lost .mk-tick,.lost .mk-pt-head em{color:#c62828}
.mk-note{margin:6px 0 0;color:#a3271f;font-size:15px}
.ok .mk-note{color:var(--muted);font-size:14px}
.mk-quote{margin:6px 0 0;font-size:14px;color:var(--muted)}
.mk-quote span{color:var(--ink);text-decoration:underline wavy #c62828;text-underline-offset:4px}
.mk-pt-cause{margin:4px 0 0;font-size:12px;color:#a3271f}
.mk-comment{margin-top:12px;padding:10px 12px;border-radius:8px;background:#fff4f2;color:#8f2119;font-size:15px}
.mk-comment b{display:block;font-size:13px;color:#a3271f;margin-bottom:2px}
.mk-official{margin-top:16px;border-top:1px dashed var(--line);padding-top:10px}
.mk-official summary{cursor:pointer;color:var(--green);font-weight:600;min-height:32px}
.mk-card .practice-actions{margin-top:14px}
.mk-card .practice-button.secondary{background:#fff;color:var(--green)}
.mk-early{margin:26px 0 0;border-top:1px solid var(--line);padding-top:8px}
.mk-early>summary{cursor:pointer;font-weight:700;color:var(--muted);min-height:44px;display:flex;align-items:center}
.mk-old{padding:14px 18px;margin:10px 0}
.mk-old .mk-head h2{font-size:16px}
.mk-old .mk-score{font-size:20px}
.mk-old-note{margin:8px 0 0;color:#8f2119;font-size:15px}
.is-mastered{opacity:.75}
@media(max-width:760px){
  .mk-work{grid-template-columns:1fr;gap:14px}
  .mk-card{padding:16px}
  .mk-head h2{font-size:17px}
  .mk-score{font-size:22px}
  .mk-filters{gap:8px 10px}
  .mk-filters label:not(.mk-check){flex:1 1 140px}
  .mk-filters select{min-width:0;width:100%}
  .mk-filters button{margin-left:auto;padding:8px 14px}
  .mk-stamp{min-width:52px;height:52px;font-size:18px;top:8px}
  .mk-imgwrap.has-margin{padding-right:38px;background:linear-gradient(to left,#fff7f6 0,#fff7f6 38px,#fff 38px)}
  .mk-imgwrap.has-margin::after{right:38px}
  .mk-imgwrap.has-margin .mk-stamp{right:46px}
  .mk-margin{width:38px;top:70px}
  .mk-margin li{font-size:20px}
}
@media print{
  .practice-nav,.mk-filters,.practice-actions,.ask-slot,.mk-early,#gate,.eyebrow,.sx-topbar,.sx-tabbar,.sx-side,nav{display:none!important}
  body{background:#fff}
  .practice-wrap{max-width:none;padding:0}
  .mk-card{break-inside:avoid;border:1px solid #bbb;box-shadow:none}
  .mk-official{display:none}
}