/* 页级样式：tieban
   本页专属的页级规则写在此处，不写进 assets/css/style.css 的页级段（那一段是存量，只减不增）。
   引用在本页 HTML 内，排在按页样式之后；版本串由内容派生，不必手改。
   本档内 @media 块须排在顶层声明之后，否则窄屏终值被源序压掉。 */

.page-tieban .page h1{color:var(--tie-deep);font-family:var(--tie-serif);font-size:23px;letter-spacing:.3em;text-indent:.3em;text-align:center;line-height:1.3}

.page-tieban .page h1::before{content:'';display:block;width:88px;height:1px;background:var(--tie-line);margin:0 auto var(--sp-3)}

.page-tieban .page h1::after{content:'';display:block;width:88px;height:1px;background:var(--tie-line);margin:var(--sp-3) auto 0}

.page-tieban .page .lead{color:var(--tie-ink2);text-align:center;font-size:12.5px;letter-spacing:.22em;text-indent:.22em;margin-top:var(--sp-3)}

.page-tieban .page .lead::after{background:var(--tie-line)}

.page-tieban .page > .form-row{margin-bottom:var(--sp-3)}

.page-tieban .field label{color:var(--tie2);font-weight:400}

.page-tieban .field input,.page-tieban .field select{border-color:var(--tie-line);background:var(--card);color:var(--tie-deep)}

.page-tieban input:focus,.page-tieban select:focus,.page-tieban textarea:focus{border-color:var(--tie);outline:none}

.page-tieban .birth-group,.page-tieban .birth-group.compact{margin-bottom:0}

.page-tieban .field.chk label{cursor:pointer}

.page-tieban .btn:not(.soft):not(.btn-ghost),.page-tieban .btn.gold{background:var(--tie);border-color:var(--tie);color:#fff;box-shadow:none}

.page-tieban .btn:not(.soft):not(.btn-ghost):hover,.page-tieban .btn.gold:hover{background:var(--tie2);color:#fff;box-shadow:none}

.page-tieban .page > .form-row .btn.gold{border-radius:0;padding:var(--sp-1) var(--sp-3);margin-bottom:0}

.page-tieban .rel-title{color:var(--tie-deep)}

.page-tieban #out h3.rel-title + .sub-note{margin-top:var(--sp-2)}

.page-tieban .tb-tb{width:100%;border-collapse:collapse;margin-top:var(--sp-2);font-size:var(--tier4)}

.page-tieban .tb-tb th,.page-tieban .tb-tb td{border:1px solid var(--tie-line);padding:5px 8px;text-align:left;line-height:1.6;font-weight:400}

.page-tieban .tb-tb th{background:var(--tie-tint);color:var(--tie-deep);white-space:nowrap}

.page-tieban .tb-tb td{background:transparent;color:var(--tie-ink)}

.page-tieban .tb-tb td:first-child,.page-tieban .tb-tb th:first-child{white-space:nowrap;width:1%}

.page-tieban .tb-tb td.tb-group{color:var(--tie2);white-space:normal;width:auto}

.page-tieban .tb-read td:first-child{color:var(--tie2)}

.page-tieban table.tb-cite{table-layout:fixed}

.page-tieban table.tb-cite th:first-child,.page-tieban table.tb-cite td:first-child{white-space:normal;word-break:break-word;overflow-wrap:anywhere;width:auto}

.page-tieban table.tb-cite th:nth-child(2),.page-tieban table.tb-cite td:nth-child(2){white-space:normal;word-break:break-word;overflow-wrap:anywhere}

.page-tieban .tb-flow{display:flex;flex-wrap:wrap;gap:var(--sp-1) var(--sp-4)}

.page-tieban .tb-prose{font-size:var(--tier4);line-height:1.9;margin:var(--sp-3) 0}

.page-tieban .cite{font-size:12px;color:var(--ink2)}

.page-tieban .gold-b{color:var(--tie2);font-weight:400}

.page-tieban .sub-note,.page-tieban .tb-note{color:var(--ink2)}

/* 术语速查表的释义行：一句话白话后随次级字补充说明，与全站次级字同档 */
.page-tieban .tb-term-d{color:var(--ink2);font-size:12px}

.page-tieban .tb-note{margin-top:var(--sp-1)}

.page-tieban .notice{background:transparent;border:0;border-top:1px solid var(--tie-line);border-bottom:1px solid var(--tie-line);border-radius:0;box-shadow:none;color:var(--tie-ink)}

.page-tieban .info-box{background:transparent;border:0;border-top:1px solid var(--tie-line);border-radius:0;box-shadow:none;color:var(--tie-ink)}

.page-tieban .ke-quiz{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-3);margin:var(--sp-2) 0 var(--sp-1)}

.page-tieban .ke-quiz select{max-width:170px}

.page-tieban .ke-wrap{overflow-x:auto;margin-top:var(--sp-1)}

.page-tieban tr.ke-best td{color:var(--tie-deep);background:var(--tie-tint)}

.page-tieban .ke-star{border:0;border-top:1px solid var(--tie-brass);padding:var(--sp-2) 0;margin:var(--sp-3) 0 0;line-height:1.9;font-size:var(--tier4)}

.page-tieban .ke-adopt{padding:var(--sp-1) var(--sp-2);font-size:12px}

.page-tieban .hit-yes{color:var(--green);font-weight:400}

.page-tieban .ke-sub{display:block;font-size:11px;color:var(--ink2);line-height:1.5;margin-top:var(--sp-1)}

.page-tieban .ke-yan{border-top:1px solid var(--tie-line);margin-top:var(--sp-2);padding-top:var(--sp-2);font-size:var(--tier4);line-height:1.8}

.page-tieban .ke-yan-h{color:var(--tie2);margin-bottom:var(--sp-1)}

.page-tieban .ke-yan-row{margin-top:var(--sp-1)}

.page-tieban .ke-yan-row b{color:var(--tie2);font-weight:400}

.page-tieban .tb-cap{color:var(--tie2);font-size:var(--tier4);margin-top:var(--sp-2)}

.page-tieban .tb-cap .tb-cap-note{display:block;color:var(--tie-ink2);font-size:12px;line-height:1.7;margin-top:var(--sp-1)}

.page-tieban .tw-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-3) var(--sp-5);margin-top:var(--sp-2)}

.page-tieban .tw-card{border:0;border-top:1px solid var(--tie-line);padding:var(--sp-2) 0;min-width:0;font-size:var(--tier4);line-height:1.7}

.page-tieban .tw-k{color:var(--tie2);font-family:var(--tie-serif);letter-spacing:.1em;margin-right:var(--sp-2)}

.page-tieban .tw-no{color:var(--ink2);margin-right:var(--sp-2)}

.page-tieban .tw-wen{font-size:var(--tier3);color:var(--tie-ink)}

.page-tieban .tw-bai{display:block;font-size:12px;color:var(--ink2);margin-top:var(--sp-1)}

.page-tieban .dy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-2);margin-top:var(--sp-2)}

.page-tieban .dy-card{border:0;border-top:1px solid var(--tie-line);border-radius:0;padding:var(--sp-2) 0;background:transparent;box-shadow:none;font-size:var(--tier4);line-height:1.7;min-width:0}

.page-tieban .dy-card.cur{border-top-color:var(--tie);background:var(--tie-tint)}

.page-tieban .dy-card b{color:var(--tie2);font-weight:400;font-size:var(--tier3)}

.page-tieban .dy-card .dy-no{font-size:12px;color:var(--ink2)}

.page-tieban tr.ly-cur td{background:var(--tie-tint);color:var(--tie-deep)}

.page-tieban .gua-fig{display:inline-flex;flex-direction:column;gap:var(--sp-1);margin-left:var(--sp-2);vertical-align:top}

.page-tieban .gua-yao{display:flex;align-items:center;font-size:12px;color:var(--ink2)}

.page-tieban .gua-yao .bar{height:3px;border-radius:0;background:currentColor}

.page-tieban .gua-yao .bar-yang{width:56px}

.page-tieban .gua-yao .bar-yin{width:26px}

.page-tieban .gua-yao .bar-yin + .bar-yin{margin-left:var(--sp-1)}

.page-tieban .gua-yao .yao-lab{margin-left:var(--sp-2)}

.page-tieban .gua-yao.dong{color:var(--tie)}

.page-tieban details.mh-ref{border-color:var(--tie-line)}

.page-tieban .mh-ref summary{cursor:pointer;color:var(--tie2)}

.page-tieban details.mh-ref table th,.page-tieban details.mh-ref table td{border-color:var(--tie-line)}

.page-tieban details.mh-ref table th{background:var(--tie-tint);color:var(--tie-deep)}

.page-tieban details.mh-ref table td{background:transparent}

.page-tieban .ai-block{border:0;border-top:1px solid var(--tie-line);border-bottom:1px solid var(--tie-line);border-radius:0;background:transparent;color:var(--tie-ink);box-shadow:none}

.page-tieban .ai-head{background:transparent;border-bottom-color:var(--tie-line)}

.page-tieban .ai-head h3{color:var(--tie2);font-family:var(--tie-serif);font-weight:400}

.page-tieban .ai-block .btn{border-radius:0}

.page-tieban .ai-block .btn.gold,.page-tieban .ai-block .btn.soft{background:var(--tie-tint);border-color:var(--tie-line);color:var(--tie-ink)}

.page-tieban .ai-block .btn.gold:hover,.page-tieban .ai-block .btn.soft:hover{background:var(--card);border-color:var(--tie-line);color:var(--tie2)}

.page-tieban .ai-tab{border-radius:0}

.page-tieban .ai-pane .ai-out{border-radius:0}

.page-tieban .ai-bubble{border-radius:0}

.page-tieban .ai-tab:hover{border-color:var(--tie);color:var(--tie2)}

.page-tieban .ai-tab.active{background:var(--tie);border-color:var(--tie);color:#fff}

.page-tieban .ai-tab.active:hover{background:var(--tie2);border-color:var(--tie2);color:#fff}

.page-tieban .ai-bubble.user{background:var(--tie-tint);border-color:var(--tie)}

.page-tieban .ai-bubble.assistant{border-color:var(--tie-line)}

.page-tieban .ai-model-row:hover{background:var(--tie-tint)}

.page-tieban .ai-block input,.page-tieban .ai-block select{color:var(--tie-ink)}

@media(max-width:1024px){
  .page-tieban .tw-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:640px){
  .page-tieban .dy-grid,.page-tieban .tw-grid{grid-template-columns:1fr}
  .page-tieban .tb-tb th,.page-tieban .tb-tb td{padding:4px 5px}
  .page-tieban .ke-quiz select{max-width:100%}
  /* 起课问答行的行内横向间距取移动端更小档 --sp-2，与全站表单行窄屏取值同档 */
  .page-tieban .ke-quiz{gap:var(--sp-2)}
  /* 折叠框内的说明表：窄屏放不下十一字的步骤名，两列改标签在上、说明在下，标签压淡底作行首 */
  .page-tieban details.mh-ref .tb-tb,.page-tieban details.mh-ref .tb-tb tbody,
  .page-tieban details.mh-ref .tb-tb tr,.page-tieban details.mh-ref .tb-tb td{display:block;width:auto}
  .page-tieban details.mh-ref .tb-tb td:first-child{background:var(--tie-tint);color:var(--tie2);border-bottom:0}
  .page-tieban details.mh-ref .tb-tb td+td{border-top:0}
  .page-tieban details.mh-ref .tb-tb tr+tr td:first-child{border-top:0}
  /* 出生地组的字段宽度与流式换行由全站 .birth-group.compact 窄屏规则承担，此处只收日期框定宽 */
  .page-tieban .birth-group .field label{white-space:nowrap}
  .page-tieban #dInput{width:96px}
}

@media print{
  .page-tieban .tb-tb th,.page-tieban .tb-tb td{background:var(--card);border-color:var(--line);color:var(--ink)}
}

@media (prefers-color-scheme: dark){
  html .page-tieban {
    --tie:#5f718d;
    --tie2:#5d708d;
    --tie-deep:#d8dbdf;
    --tie-ink:#cdd1d5;
    --tie-ink2:#9da4a9;
    --tie-line:#41474e;
    --tie-tint:#20252c;
    --tie-brass:#d1a565;
  }
}

/*
   全页只有一个主体色：玄铁（铁板淬火之色）。黄铜只作单点标记（算珠），色相与主色相去 180 度。
   本页细则写在文末页级样式 tieban 段，此处只放令牌。 */

.page-tieban{
  --tie:#3e4a5c;         /* 玄铁主色 */
  --tie2:#303a49;        /* 深玄铁：hover 与强调 */
  --tie-deep:#222b37;    /* 墨铁：大标题与表头字色 */
  --tie-ink:#35404d;     /* 铁墨灰：正文字色 */
  --tie-ink2:#55636f;    /* 次级字色：卷首说明、副注、图例 */
  --tie-line:#d3dae2;    /* 银灰线：主色同色相，明度 86% */
  --tie-tint:#eef1f6;    /* 冷银纸底：主色同色相，明度 95% */
  --tie-brass:#a87832;   /* 黄铜点缀（算珠） */
  --tie-serif:var(--font-serif);

  /* 全站中性次级字色在本页一并落到铁族灰：副注、图例、AI 状态字等共享件由此一次对齐 */
  --ink2:var(--tie-ink2);

  /* 全站强调令牌在本页一律落到玄铁族：表格加粗、折叠框标题、到顶箭头等共享件由此对齐 */
  --gold:var(--tie);
  --gold2:var(--tie2);
  --gold-brown:var(--tie2);
  --gold-bg:var(--tie-tint);
  --foot-ink:var(--tie2);
  --line:var(--tie-line);--ink:var(--tie-ink)
}

/* ===== dtm-tieban（玄铁、黄铜）弹框主题 ===== */
.dtm-tieban{--tk:#3e4a5c;--tk2:#303a49;--tk-ink:#35404d;--tk-line:#d3dae2;--tk-tint:#eef1f6}

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