/* ============ 视图三：关键转折点 ============ */
.tp-mode{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.tp-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.tp-filter[hidden]{display:none;}
/* 卡顶 ⚖/📜 小按钮：跟在 tag 后、地图链接前 */
.tp-top .mini-act{align-self:center;}
.tp-wrap{position:relative;padding-left:34px;}
.tp-wrap::before{
  content:'';position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--vermilion),var(--gold),var(--vermilion));opacity:.45;
}
.tp-card{
  position:relative;margin-bottom:22px;
  background:rgba(255,252,243,.78);border:1px solid var(--line);border-radius:12px;
  padding:18px 22px 16px;
  box-shadow:0 2px 10px rgba(90,70,40,.06);
  transition:transform .2s, box-shadow .2s;
}
.tp-card:hover{transform:translateX(4px);box-shadow:0 4px 16px rgba(90,70,40,.13);}
.tp-card::before{
  content:'★';position:absolute;left:-31px;top:20px;width:22px;height:22px;border-radius:50%;
  background:var(--vermilion);color:#f6efe0;font-size:11px;line-height:22px;text-align:center;
  box-shadow:0 0 0 4px var(--paper);
}
.tp-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.tp-year{
  font-size:26px;font-weight:900;color:var(--vermilion);letter-spacing:.02em;
  font-family:Georgia,var(--serif);
}
.tp-title{font-size:19px;font-weight:900;letter-spacing:.07em;}
.tp-tag{
  font-size:11px;padding:3px 10px;border-radius:99px;letter-spacing:.15em;
  background:rgba(168,134,44,.14);color:#7e6315;border:1px solid rgba(168,134,44,.35);
}
.tp-map-link{
  margin-left:auto;font-size:12px;color:var(--vermilion);cursor:pointer;
  border:1px dashed rgba(169,50,38,.45);border-radius:99px;padding:3px 12px;
  transition:all .18s;letter-spacing:.05em;background:transparent;font-family:var(--serif);
}
.tp-map-link:hover{background:var(--vermilion);color:#f6efe0;border-style:solid;}
.tp-what{font-size:14px;line-height:1.95;color:var(--ink);text-align:justify;}
.tp-why{
  margin-top:12px;padding:11px 15px;border-left:3px solid var(--vermilion);
  background:rgba(169,50,38,.055);border-radius:0 8px 8px 0;
  font-size:13.5px;line-height:1.9;color:var(--ink);
}
.tp-why b{color:var(--vermilion-deep);letter-spacing:.1em;margin-right:4px;}
.tp-coords{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;}
.tp-coords .co{
  font-size:12.5px;line-height:1.7;color:var(--ink-soft);
  background:rgba(120,100,60,.05);border:1px dashed var(--line);border-radius:8px;padding:8px 12px;
}
.tp-coords .co b{display:block;font-size:11.5px;letter-spacing:.2em;color:var(--ink-faint);margin-bottom:2px;}

/* ============ 视图四：群星人物 ============ */
.egg{
  margin:0 0 18px;padding:14px 18px;border-radius:10px;
  background:linear-gradient(135deg, rgba(168,134,44,.1), rgba(169,50,38,.07));
  border:1px solid rgba(168,134,44,.4);
  font-size:14px;line-height:1.9;
}
.egg b{color:var(--vermilion);letter-spacing:.15em;margin-right:6px;}
.fig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.fig-col{background:rgba(255,252,243,.7);border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.fig-col-head{
  padding:10px 16px;font-size:14px;font-weight:900;letter-spacing:.22em;color:#f6efe0;
  display:flex;align-items:center;gap:8px;
}
.fig-card{padding:11px 16px;border-top:1px dashed var(--line);transition:background .18s;}
.fig-card:hover{background:rgba(169,50,38,.04);}
.fig-card .fn{font-size:15.5px;font-weight:700;letter-spacing:.05em;}
.fig-card .fy{font-size:11.5px;color:var(--ink-faint);margin-left:8px;font-family:Georgia,var(--serif);}
.fig-card .fd{font-size:12.8px;color:var(--ink-soft);line-height:1.75;margin-top:3px;text-align:justify;}

/* ============ 视图五：文明大势 ============ */
.chap{
  border:1px solid var(--line);border-radius:12px;margin-bottom:13px;overflow:hidden;
  background:rgba(255,252,243,.72);transition:box-shadow .2s;
}
.chap.open{box-shadow:0 3px 14px rgba(90,70,40,.12);border-color:var(--ink-faint);}
.chap-head{display:flex;align-items:center;gap:15px;padding:15px 20px;cursor:pointer;user-select:none;}
.chap-no{
  flex:none;width:42px;height:42px;border-radius:50%;border:1.5px solid var(--vermilion);
  color:var(--vermilion);display:grid;place-items:center;font-weight:900;font-size:15px;
  transition:all .25s;letter-spacing:0;
}
.chap.open .chap-no{background:var(--vermilion);color:#f6efe0;}
.chap-head .ct{flex:1;}
.chap-head .ct h3{font-size:18px;font-weight:900;letter-spacing:.07em;}
.chap-head .ct span{font-size:12px;color:var(--ink-faint);letter-spacing:.1em;font-family:Georgia,var(--serif);}
.chap-arrow{color:var(--ink-faint);transition:transform .25s;font-size:13px;}
.chap.open .chap-arrow{transform:rotate(90deg);color:var(--vermilion);}
.chap-body{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.chap.open .chap-body{max-height:1100px;}
.chap-inner{padding:2px 22px 20px 77px;}
.chap-q{font-size:13.5px;color:var(--vermilion);font-weight:700;letter-spacing:.04em;margin-bottom:10px;}
.chap-text{font-size:14.5px;line-height:2.05;text-align:justify;color:var(--ink);}
.chap-key{
  margin-top:14px;padding:11px 15px;border-radius:8px;
  background:rgba(57,100,138,.08);border-left:3px solid var(--c-eu);
  font-size:13.5px;line-height:1.85;
}
.chap-key b{letter-spacing:.15em;color:var(--c-eu);margin-right:5px;}
.chap-maps{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px;align-items:center;}
.chap-maps .cm-label{font-size:12px;color:var(--ink-faint);letter-spacing:.15em;}
.chap-maps .cm{
  font-family:var(--serif);font-size:12.5px;padding:5px 13px;cursor:pointer;
  border:1px dashed rgba(168,134,44,.55);border-radius:99px;background:rgba(168,134,44,.07);
  color:#7e6315;transition:all .18s;letter-spacing:.03em;
}
.chap-maps .cm:hover{background:var(--gold);color:#f6efe0;border-style:solid;}
.chap-maps .cm b{font-family:Georgia,var(--serif);margin-right:5px;}

/* ============ 视图六：自我检验 ============ */
.quiz-shell{max-width:660px;margin:0 auto;}
.quiz-progress{display:flex;align-items:center;gap:12px;margin-bottom:18px;font-size:13px;color:var(--ink-soft);}
.qp-bar{flex:1;height:5px;background:var(--paper-dark);border-radius:99px;overflow:hidden;}
.qp-fill{height:100%;background:linear-gradient(90deg,var(--vermilion),var(--gold));width:0;transition:width .35s;}
.quiz-card{
  background:rgba(255,252,243,.8);border:1px solid var(--line);border-radius:14px;
  padding:26px 28px;box-shadow:0 3px 14px rgba(90,70,40,.08);
}
.quiz-q{font-size:18px;font-weight:900;line-height:1.7;letter-spacing:.03em;margin-bottom:18px;}
.quiz-q .qn{color:var(--vermilion);font-family:Georgia,var(--serif);margin-right:8px;}
.opt{
  display:block;width:100%;text-align:left;font-family:var(--serif);
  font-size:14.5px;line-height:1.6;padding:12px 16px;margin-bottom:9px;cursor:pointer;
  background:rgba(244,237,222,.6);border:1px solid var(--line);border-radius:9px;color:var(--ink);
  transition:all .18s;letter-spacing:.02em;
}
.opt:hover:not(:disabled){border-color:var(--vermilion);background:rgba(169,50,38,.05);transform:translateX(3px);}
.opt:disabled{cursor:default;opacity:.75;}
.opt.right{background:rgba(79,122,81,.16);border-color:var(--c-am);color:#2e4a2f;font-weight:700;opacity:1;}
.opt.wrong{background:rgba(169,50,38,.12);border-color:var(--vermilion);color:var(--vermilion-deep);opacity:1;}
.quiz-fb{
  margin-top:6px;padding:13px 16px;border-radius:9px;font-size:13.5px;line-height:1.9;
  background:rgba(120,100,60,.06);border:1px dashed var(--ink-faint);display:none;text-align:justify;
}
.quiz-fb b{letter-spacing:.1em;}
.quiz-fb.ok b{color:var(--c-am);}
.quiz-fb.no b{color:var(--vermilion);}
.quiz-actions{margin-top:16px;display:flex;justify-content:flex-end;}
.quiz-result{text-align:center;padding:20px 10px;}
.quiz-result .score{font-size:64px;font-weight:900;color:var(--vermilion);font-family:Georgia,var(--serif);line-height:1;}
.quiz-result .score small{font-size:22px;color:var(--ink-faint);}
.quiz-result .grade{font-size:22px;font-weight:900;letter-spacing:.3em;margin:14px 0 8px;}
.quiz-result p{font-size:14px;color:var(--ink-soft);line-height:1.9;}

/* ============ 面板：⚖ 学界争议双栏对照 ============ */
.dbt-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px;}
.dbt-side{
  background:rgba(255,252,243,.7);border:1px solid var(--line);border-radius:11px;
  padding:14px 16px;
}
.dbt-side:first-child{border-top:3px solid var(--vermilion);}
.dbt-side:last-child{border-top:3px solid var(--c-eu,#39648a);}
.dbt-head{font-size:15px;font-weight:900;letter-spacing:.06em;color:var(--ink);margin-bottom:5px;}
.dbt-who{font-size:11.5px;color:var(--ink-faint);line-height:1.65;margin-bottom:9px;letter-spacing:.02em;}
.dbt-point{font-size:13.5px;line-height:1.9;color:var(--ink);text-align:justify;}
.dbt-basis{
  margin-top:10px;padding:9px 12px;border-radius:7px;
  background:rgba(120,100,60,.05);border-left:2px solid var(--gold);
  font-size:12.5px;line-height:1.8;color:var(--ink-soft);
}
.dbt-basis b{display:block;font-size:11px;letter-spacing:.18em;color:var(--gold);margin-bottom:2px;}
.dbt-note{
  margin-top:16px;padding:12px 16px;border-radius:9px;
  background:rgba(168,134,44,.08);border:1px dashed rgba(168,134,44,.45);
  font-style:italic;font-size:13px;line-height:1.85;color:var(--ink-soft);text-align:justify;
}

/* ============ 面板：📜 史料原文卡 ============ */
.src-orig{
  margin:2px 0 14px;padding:14px 18px 14px 22px;position:relative;
  font-family:var(--serif);font-size:17px;line-height:2;color:var(--ink);
  background:rgba(120,100,60,.05);border-left:3px solid var(--vermilion);border-radius:0 9px 9px 0;
  text-align:justify;letter-spacing:.03em;
}
.src-orig::before{
  content:'「';position:absolute;left:5px;top:6px;color:var(--vermilion);opacity:.45;font-size:18px;
}
.src-plain{font-size:13.5px;line-height:1.9;color:var(--ink-soft);text-align:justify;}
.src-plain b{color:var(--vermilion);letter-spacing:.1em;margin-right:5px;}
.src-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px;}
.src-tag{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11.5px;padding:3px 11px;border-radius:99px;letter-spacing:.06em;
  background:rgba(120,100,60,.07);border:1px solid var(--line);color:var(--ink-soft);
}
.src-tag.src-cred i{width:7px;height:7px;border-radius:50%;flex:none;}
.src-from{margin-top:11px;font-size:12px;color:var(--ink-faint);line-height:1.7;letter-spacing:.02em;}

/* ============ 群星人物：锚年时代标记小红点 ============ */
.chip.anchor-dot{position:relative;}
.chip.anchor-dot::after{
  content:'';position:absolute;top:-3px;right:-3px;width:8px;height:8px;border-radius:50%;
  background:var(--vermilion);box-shadow:0 0 0 2px var(--paper);
}

/* ============ 文明大势：已读 ✓ 与争议挂钩 ============ */
.chap-no.chap-done{position:relative;}
.chap-no.chap-done::after{
  content:'✓';position:absolute;right:-5px;bottom:-4px;
  width:16px;height:16px;border-radius:50%;
  background:var(--c-am,#4f7a51);color:#f6efe0;
  font-size:10px;line-height:16px;text-align:center;font-weight:900;
  box-shadow:0 0 0 2px var(--paper);
}
.chap-dbt{
  margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;
  padding-top:12px;border-top:1px dashed var(--line);
}
.chap-dbt .cd-label{font-size:12.5px;color:var(--vermilion);font-weight:700;letter-spacing:.04em;}

@media (max-width:880px){
  .fig-grid{grid-template-columns:1fr;}
  .tp-coords{grid-template-columns:1fr;}
  .chap-inner{padding-left:22px;}
  .dbt-grid{grid-template-columns:1fr;}
}