/* ==========================================================
   All-In 阅读卡 — 杂志式排版
   纸色底 / 衬线标题 / 细分隔线 / 墨色 + 一处砖红
   ========================================================== */

:root{
  --paper:#f7f4ee;
  --paper-2:#efe9df;
  --ink:#17150f;
  --ink-2:#4b463c;
  --muted:#8a8275;
  --rule:#ded6c8;
  --rule-2:#cbc1b0;
  --accent:#b8391c;
  --accent-2:#8f2c15;
  --sel:rgba(184,57,28,.14);

  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans CJK SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,"SF Mono",monospace;

  --wrap:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html[data-theme="dark"]{
  --paper:#121013;
  --paper-2:#1a171a;
  --ink:#efe9e0;
  --ink-2:#c4bcb0;
  --muted:#8b8378;
  --rule:#2c2723;
  --rule-2:#3a342d;
  --accent:#e2643c;
  --accent-2:#f08360;
  --sel:rgba(226,100,60,.22);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15.5px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-wrap:break-word;
  transition:background-color .25s var(--ease), color .25s var(--ease);
}
::selection{background:var(--sel)}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ---------------- 报头 ---------------- */
.masthead{border-bottom:1px solid var(--rule);padding:44px 0 0}
.masthead .wrap{padding-bottom:18px}
.mast-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.mast-brand{display:flex;gap:14px;align-items:center;min-width:0}
.mark{color:var(--accent);flex:0 0 auto;margin-top:2px}
.mast-txt{min-width:0}
.masthead h1{
  font-family:var(--serif);
  font-size:30px;line-height:1.15;margin:0;
  letter-spacing:-.015em;font-weight:600;
  text-wrap:balance;
}
.tagline{margin:6px 0 0;font-size:13px;color:var(--muted);letter-spacing:.02em}
.mast-meta{
  margin:16px 0 0;font-size:12px;color:var(--muted);
  letter-spacing:.06em;text-transform:uppercase;
  font-variant-numeric:tabular-nums;
}
.mast-meta b{color:var(--ink-2);font-weight:600}
.theme-btn{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--rule);background:transparent;color:var(--muted);
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  margin-top:4px;
}
.theme-btn:hover{color:var(--ink);border-color:var(--rule-2);transform:rotate(18deg)}

/* ---------------- 两栏 ---------------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 244px;
  gap:72px;
  padding-top:6px;padding-bottom:96px;
  align-items:start;
}
main{min-width:0}

/* ---------------- 目录行 ---------------- */
.ep{border-bottom:1px solid var(--rule)}
.ep:last-child{border-bottom:none}

.ep-head{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:26px 0 22px;
  cursor:pointer;
  position:relative;
}
.ep-gutter{padding-top:5px}
.ep-num{
  display:block;
  font-family:var(--serif);
  font-size:15px;line-height:1;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  transition:color .18s var(--ease);
}
.ep.open .ep-num{color:var(--accent)}
.ep.open{background:linear-gradient(90deg, color-mix(in srgb, var(--accent) 3%, transparent), transparent 46%)}
.ep-main{min-width:0}
.ep-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0 9px;
  font-size:11.5px;color:var(--muted);
  letter-spacing:.05em;text-transform:uppercase;
  font-variant-numeric:tabular-nums;
  margin-bottom:9px;
}
.ep-meta .sep{color:var(--rule-2)}
.ep-hot{color:var(--accent);font-weight:600}
.ep-title{
  font-family:var(--serif);
  font-size:22.5px;line-height:1.42;
  margin:0;font-weight:600;letter-spacing:-.005em;
  text-wrap:balance;
  transition:color .18s var(--ease);
}
.ep-head:hover .ep-title{color:var(--accent)}
.ep-en{
  margin:7px 0 0;font-size:12.5px;line-height:1.6;
  color:var(--muted);letter-spacing:.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ep-sign{
  margin-left:auto;
  width:15px;height:15px;flex:0 0 auto;
  color:var(--rule-2);
  transform:translateY(3px);
  transition:transform .25s var(--ease),color .18s var(--ease);
}
.ep-head:hover .ep-sign{color:var(--muted)}
.ep.open .ep-sign{transform:translateY(3px) rotate(90deg);color:var(--accent)}

/* ---------------- 展开区（高度过渡） ---------------- */
.ep-body{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.ep-body > .ep-inner{overflow:hidden}
.ep.open .ep-body{grid-template-rows:1fr}
.ep.no-anim .ep-body{transition:none}   /* 手风琴收起时瞬时，便于精确补偿滚动 */
.ep-inner{padding-left:74px;padding-bottom:6px}

.tp{padding:16px 0 18px;border-top:1px solid var(--rule)}
.tp:first-child{border-top:1px dashed var(--rule)}
.tp-top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.prio{
  flex:0 0 auto;
  display:inline-grid;place-items:center;
  width:17px;height:17px;border-radius:2px;
  font-size:10.5px;font-weight:700;letter-spacing:0;
  transform:translateY(-1px);
}
.prio.hi{background:var(--accent);color:var(--paper)}
.prio.mid{color:var(--muted);box-shadow:inset 0 0 0 1px var(--rule-2)}
.prio.lo{color:var(--rule-2);box-shadow:inset 0 0 0 1px var(--rule)}
.tp-title{font-size:16px;line-height:1.5;font-weight:650;margin:0;letter-spacing:-.003em}
.tp-tag{
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--rule);
  padding:1px 6px;border-radius:2px;
}
.tp-time{
  margin-left:auto;
  font-family:var(--mono);font-size:11.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.pts{margin:10px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:5px}
.pts li{
  position:relative;padding-left:16px;
  font-size:14.2px;line-height:1.72;color:var(--ink-2);
  text-wrap:pretty;
}
.pts li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:5px;height:1px;background:var(--rule-2);
}
.stance{
  margin:12px 0 0;padding:1px 0 1px 14px;
  border-left:2px solid var(--accent);
  font-size:14.2px;line-height:1.72;color:var(--ink);
  text-wrap:pretty;
}
.why{margin:9px 0 0;font-size:12.8px;line-height:1.65;color:var(--muted)}
.why b{font-weight:600;color:var(--ink-2);letter-spacing:.04em}
.jump{
  display:inline-flex;align-items:center;gap:5px;margin-top:11px;
  font-size:12.5px;letter-spacing:.02em;color:var(--accent);
  text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease);
  font-variant-numeric:tabular-nums;
}
.jump:hover{border-bottom-color:var(--accent)}
.jump svg{width:9px;height:9px}

.quote-block{margin:20px 0 6px;padding:16px 0 0;border-top:1px solid var(--rule)}
.quote-label{
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin:0 0 6px;
}
.quote-text{
  font-family:var(--serif);font-size:16.5px;line-height:1.7;
  margin:0;color:var(--ink);text-wrap:pretty;
}

/* ---------------- 右栏 ---------------- */
.rail{
  position:sticky;top:26px;
  display:flex;flex-direction:column;gap:26px;
  padding-top:26px;
}
.rail-box{display:flex;flex-direction:column;gap:9px}
.rail-label{
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
#q{
  width:100%;padding:2px 0 7px;
  border:none;border-bottom:1px solid var(--rule-2);
  background:transparent;color:var(--ink);
  font-family:var(--sans);font-size:14.5px;
  outline:none;transition:border-color .18s var(--ease);
  -webkit-appearance:none;appearance:none;
}
#q:focus{border-bottom-color:var(--accent)}
#q::placeholder{color:color-mix(in srgb, var(--muted) 70%, var(--paper))}
#q::-webkit-search-cancel-button{-webkit-appearance:none}

.chips{display:flex;flex-wrap:wrap;gap:2px 14px;margin-top:2px}
.chip{
  font:inherit;font-size:13px;padding:2px 0;cursor:pointer;
  background:none;border:none;color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .15s var(--ease),border-color .15s var(--ease);
  font-variant-numeric:tabular-nums;
}
.chip:hover{color:var(--ink)}
.chip.on{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.chip .n{font-size:10.5px;opacity:.62;margin-left:4px;vertical-align:baseline;letter-spacing:.02em}

#legend{display:flex;flex-direction:column;gap:7px}
.lg-title{
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin:0 0 3px;
}
.lg-row{display:grid;grid-template-columns:1fr auto;gap:3px 8px;align-items:baseline}
.lg-name{font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}
.lg-n{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.lg-bar{grid-column:1/-1;height:3px;border-radius:2px;background:var(--rule);overflow:hidden;margin-bottom:8px}
.lg-bar i{display:block;height:100%;border-radius:2px;background:var(--accent);opacity:.75;transition:width .4s var(--ease)}

.rail-toggle{
  font:inherit;font-size:12.5px;cursor:pointer;text-align:left;
  padding:0 0 5px;background:none;border:none;
  border-bottom:1px solid var(--rule-2);
  color:var(--muted);transition:color .15s var(--ease),border-color .15s var(--ease);
}
.rail-toggle:hover{color:var(--ink);border-bottom-color:var(--ink)}
.rail-stamp{font-size:11px;color:var(--rule-2);margin:0;letter-spacing:.04em;font-variant-numeric:tabular-nums}

.resultbar{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding:14px 0 13px;border-bottom:1px solid var(--rule);
  font-size:12.5px;color:var(--muted);letter-spacing:.03em;
}
.rb-text b{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}
.rb-clear{
  margin-left:auto;font:inherit;font-size:12px;cursor:pointer;
  background:none;border:none;padding:0 0 2px;
  color:var(--ink-2);border-bottom:1px solid var(--rule-2);
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.rb-clear:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------------- 状态 ---------------- */
.empty{color:var(--muted);padding:64px 0;font-size:14px;border-bottom:1px solid var(--rule)}
mark{background:var(--sel);color:inherit;padding:0 1px;border-radius:1px}

/* ---------------- 窄屏 ---------------- */
@media (max-width:940px){
  .wrap{padding:0 20px}
  .layout{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:64px}
  .rail{
    position:sticky;top:0;z-index:20;
    order:-1;
    margin:0 -20px;padding:10px 20px 11px;
    background:rgba(247,244,238,.985);
    backdrop-filter:blur(14px) saturate(150%);
    -webkit-backdrop-filter:blur(14px) saturate(150%);
    border-bottom:1px solid var(--rule);
    gap:10px;flex-direction:row;flex-wrap:wrap;align-items:center;
  }
  html[data-theme="dark"] .rail{background:rgba(18,16,19,.985)}
  .rail-box{gap:4px;flex:1 1 auto}
  .rail-box:first-child{flex:1 1 100%}
  .rail-label{display:none}
  #q{font-size:16px;padding-bottom:6px}
  .chips{margin-top:6px;gap:2px 12px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto;font-size:12.5px}
  #legend,.rail-toggle,.rail-stamp{display:none}

  .masthead{padding-top:26px}
  .masthead .wrap{padding-bottom:14px}
  .masthead h1{font-size:23px}
  .tagline{font-size:12px;margin-top:4px}
  .mast-meta{margin-top:11px;font-size:11px}
  .mark{width:26px;height:26px}

  .ep-head{grid-template-columns:34px minmax(0,1fr);gap:12px;padding:20px 0 18px}
  .ep-title{font-size:18px;line-height:1.45}
  .ep-en{font-size:12px}
  .ep-sign{top:24px;right:0;width:14px;height:14px}
  .ep-num{font-size:13px}
  .ep-inner{padding-left:0}
  .tp-title{font-size:15px}
  .tp-time{margin-left:0;flex:1 0 100%;margin-top:2px}
  .pts li,.stance{font-size:13.8px}
  .quote-text{font-size:15.5px}
}

@media (max-width:420px){
  .ep-title{font-size:17px}
  .ep-meta{font-size:11px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}