/* ==========================================================================
   时间简史 · 设计系统
   浅色宣纸基调 / 朱砂强调 / 墨色文本；支持深色模式
   ========================================================================== */

:root{
  --paper:#f7f4ec;
  --paper-2:#fffdf8;
  --paper-3:#f1ece0;
  --card:#fffdf8;
  --line:#e2dac9;
  --line-strong:#cdc2ab;
  --ink:#221f1a;
  --ink-2:#4a443a;
  --ink-3:#7c7466;
  --ink-4:#a49b8a;
  --cinnabar:#a8321e;
  --cinnabar-soft:#c25c48;
  --cinnabar-bg:#fbeee9;
  --jade:#2e6f6a;
  --jade-bg:#eaf2f0;
  --gold:#a9803a;
  --gold-bg:#f8f0e0;
  --indigo:#3d5580;
  --indigo-bg:#edf0f6;
  --shadow-1:0 1px 2px rgba(40,32,20,.05), 0 2px 8px rgba(40,32,20,.045);
  --shadow-2:0 2px 6px rgba(40,32,20,.07), 0 14px 34px rgba(40,32,20,.10);
  --r-s:6px; --r-m:12px; --r-l:18px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun","STSong",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1180px;
  --nav-h:60px;
  /* V0.3 战争示意图配色（浅色） */
  --map-bg:#fbf7ec;
  --map-grid:rgba(168,50,30,.07);
  --map-water:#5f8ca8;
  --map-hill:#a9926e;
  --map-neutral:#6f6857;
  --map-seal-bg:rgba(251,247,236,.92);
  --map-seal-line:rgba(168,50,30,.35);
}
[data-theme="dark"]{
  --paper:#17150f;
  --paper-2:#1e1b14;
  --paper-3:#241f17;
  --card:#1e1b14;
  --line:#332c21;
  --line-strong:#4a4030;
  --ink:#f2ecdf;
  --ink-2:#d8cfbd;
  --ink-3:#a89e8b;
  --ink-4:#7d7462;
  --cinnabar:#e0705a;
  --cinnabar-soft:#c25c48;
  --cinnabar-bg:#2e1c17;
  --jade:#5fb3aa;
  --jade-bg:#16241f;
  --gold:#d3a85c;
  --gold-bg:#2a2114;
  --indigo:#8ba3d0;
  --indigo-bg:#1a1f2b;
  --shadow-1:0 1px 2px rgba(0,0,0,.4);
  --shadow-2:0 2px 8px rgba(0,0,0,.5);
  /* V0.3 战争示意图配色（深色） */
  --map-bg:#191712;
  --map-grid:rgba(224,112,90,.10);
  --map-water:#4a7690;
  --map-hill:#8a7657;
  --map-neutral:#8d8571;
  --map-seal-bg:rgba(25,23,18,.92);
  --map-seal-line:rgba(224,112,90,.4);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--sans); font-size:15px; line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 18% 8%,rgba(168,50,30,.035),transparent 42%),
                   radial-gradient(circle at 88% 4%,rgba(46,111,106,.035),transparent 38%);
}
h1,h2,h3,h4,.serif{font-family:var(--serif); font-weight:700; letter-spacing:.01em; line-height:1.35}
a{color:inherit; text-decoration:none}
a:hover{color:var(--cinnabar)}
button{font-family:inherit; font-size:inherit; color:inherit; cursor:pointer}
::selection{background:rgba(168,50,30,.16)}
.skip{position:absolute; left:-9999px}
.skip:focus{left:12px; top:12px; z-index:100; background:var(--card); padding:8px 14px; border-radius:var(--r-s)}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 20px}
.muted{color:var(--ink-3)}
.tiny{font-size:12.5px}
.small{font-size:13.5px}
.center{text-align:center}
.nowrap{white-space:nowrap}
.hr{height:1px; background:var(--line); margin:22px 0; border:0}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky; top:0; z-index:60; background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px); border-bottom:1px solid var(--line);
}
.topbar-in{max-width:var(--maxw); margin:0 auto; padding:0 20px; height:var(--nav-h); display:flex; align-items:center; gap:18px}
.brand{display:flex; align-items:center; gap:10px; flex:0 0 auto}
.brand-mark{
  width:32px; height:32px; border-radius:9px; background:var(--cinnabar); color:#fff;
  display:grid; place-items:center; font-family:var(--serif); font-size:19px; font-weight:700;
  box-shadow:0 2px 6px rgba(168,50,30,.28);
}
.brand-txt{display:flex; flex-direction:column; line-height:1.1}
.brand-txt b{font-family:var(--serif); font-size:16.5px; letter-spacing:.06em}
.brand-txt i{font-style:normal; font-size:9.5px; letter-spacing:.18em; color:var(--ink-4); text-transform:uppercase}
.nav{display:flex; gap:2px; flex:1 1 auto; min-width:0; overflow:auto; scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{
  padding:7px 12px; border-radius:999px; font-size:14px; color:var(--ink-2); white-space:nowrap;
  transition:background .16s,color .16s;
}
.nav a:hover{background:var(--paper-3); color:var(--ink)}
.nav a.on{background:var(--ink); color:var(--paper-2); font-weight:600}
.topbar-actions{display:flex; gap:6px; flex:0 0 auto}
.icon-btn{
  width:34px; height:34px; border-radius:9px; border:1px solid var(--line); background:var(--card);
  display:grid; place-items:center; color:var(--ink-2); transition:.16s;
}
.icon-btn:hover{border-color:var(--line-strong); color:var(--ink)}
#btn-menu{display:none}

@media (max-width:860px){
  .nav{
    position:fixed; inset:var(--nav-h) 0 auto 0; flex-direction:column; gap:0; background:var(--card);
    border-bottom:1px solid var(--line); padding:8px 12px 14px; box-shadow:var(--shadow-2);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:.18s; max-height:70vh;
  }
  .nav.open{transform:none; opacity:1; pointer-events:auto}
  .nav a{padding:11px 12px; border-radius:var(--r-s); font-size:15px}
  .nav a.on{background:var(--cinnabar-bg); color:var(--cinnabar)}
  #btn-menu{display:grid}
  .brand-txt i{display:none}
}

/* ---------- 通用块 ---------- */
main{padding:26px 0 70px; animation:fade .28s ease}
@keyframes fade{from{opacity:0; transform:translateY(6px)}to{opacity:1; transform:none}}

.eyebrow{
  font-size:11.5px; letter-spacing:.22em; text-transform:uppercase; color:var(--cinnabar);
  font-weight:700; font-family:var(--sans);
}
.page-head{margin:6px 0 22px}
.page-head h1{font-size:clamp(23px,3.6vw,32px); margin:6px 0 8px}
.page-head p{margin:0; color:var(--ink-3); max-width:62ch}
.crumb{font-size:13px; color:var(--ink-3); display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:10px}
.crumb a:hover{color:var(--cinnabar)}
.crumb .sep{color:var(--ink-4)}
.crumb b{color:var(--ink-2); font-weight:600}

.card{background:var(--card); border:1px solid var(--line); border-radius:var(--r-m); box-shadow:var(--shadow-1)}
.pad{padding:18px 20px}
.pad-l{padding:24px 26px}
@media(max-width:640px){.pad,.pad-l{padding:16px 15px}}

.chip{
  display:inline-flex; align-items:center; gap:6px; padding:4px 11px; border-radius:999px;
  background:var(--paper-3); border:1px solid var(--line); font-size:12.5px; color:var(--ink-2);
  transition:.15s; line-height:1.5;
}
button.chip:hover{border-color:var(--line-strong); color:var(--ink)}
.chip.on{background:var(--ink); border-color:var(--ink); color:var(--paper-2); font-weight:600}
.chip.c-cin{background:var(--cinnabar-bg); border-color:transparent; color:var(--cinnabar)}
.chip.c-jade{background:var(--jade-bg); border-color:transparent; color:var(--jade)}
.chip.c-gold{background:var(--gold-bg); border-color:transparent; color:var(--gold)}
.chip.c-indigo{background:var(--indigo-bg); border-color:transparent; color:var(--indigo)}
.chip-row{display:flex; flex-wrap:wrap; gap:8px}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding:9px 17px; border-radius:9px; border:1px solid var(--line-strong); background:var(--card);
  font-size:14px; font-weight:600; color:var(--ink); transition:.16s;
}
.btn:hover{border-color:var(--ink-3); color:var(--ink); box-shadow:var(--shadow-1)}
.btn.primary{background:var(--cinnabar); border-color:var(--cinnabar); color:#fff}
.btn.primary:hover{background:var(--cinnabar-soft); border-color:var(--cinnabar-soft); color:#fff}
.btn.ghost{background:transparent; border-color:transparent; color:var(--ink-3); padding:9px 11px}
.btn.ghost:hover{color:var(--cinnabar); box-shadow:none}
.btn.sm{padding:6px 12px; font-size:13px}
.btn.on{background:var(--ink); border-color:var(--ink); color:var(--paper-2)}

.grid{display:grid; gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(178px,1fr))}
.sec-head{display:flex; align-items:baseline; justify-content:space-between; gap:14px; margin:34px 0 14px; flex-wrap:wrap}
.sec-head h2{font-size:19px; margin:0}
.sec-head h2 small{font-family:var(--sans); font-size:12.5px; color:var(--ink-4); margin-left:9px; letter-spacing:.04em; font-weight:500}

/* ---------- 首页三层入口 ---------- */
.hero{
  position:relative; overflow:hidden; border-radius:var(--r-l); border:1px solid var(--line);
  background:linear-gradient(135deg,var(--paper-2) 0%,var(--paper-3) 100%);
  padding:38px 30px; margin-bottom:8px;
}
.hero::after{
  content:""; position:absolute; right:-70px; bottom:-90px; width:300px; height:300px; border-radius:50%;
  background:radial-gradient(circle,rgba(168,50,30,.10),transparent 68%);
}
.hero h1{font-size:clamp(25px,4.2vw,38px); margin:10px 0 12px; letter-spacing:.02em}
.hero p.lead{margin:0 0 20px; color:var(--ink-2); max-width:58ch; font-size:15.5px}
.hero-actions{display:flex; gap:10px; flex-wrap:wrap; position:relative; z-index:1}
/* 首页数据条 */
.hero-stats{
  display:flex; gap:10px 26px; flex-wrap:wrap; align-items:baseline;
  margin-top:24px; padding-top:18px; border-top:1px dashed var(--line);
  position:relative; z-index:1;
}
.hero-stats .hstat{font-size:12.5px; color:var(--ink-3); letter-spacing:.02em; display:flex; align-items:baseline; gap:5px}
.hero-stats .hstat b{font-family:var(--serif); font-size:20px; color:var(--cinnabar); font-weight:700; letter-spacing:0}
@media(max-width:640px){.hero{padding:26px 18px}}

/* 首页战役卡片 */
.bt-teaser{
  display:flex; flex-direction:column; gap:6px; padding:15px 16px 14px; border-radius:var(--r-m);
  background:var(--card); border:1px solid var(--line); box-shadow:var(--shadow-1);
  transition:.18s; height:100%; position:relative; overflow:hidden;
}
.bt-teaser:hover{transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:var(--line-strong); color:inherit}
.bt-teaser .btt-bar{display:flex; gap:3px; height:3px; border-radius:3px; overflow:hidden; margin-bottom:4px}
.bt-teaser .btt-bar i{flex:1}
.bt-teaser .btt-name{font-family:var(--serif); font-size:16px; font-weight:700}
.bt-teaser .btt-date{font-size:11.5px; color:var(--ink-4); letter-spacing:.03em}
.bt-teaser .btt-sides{font-size:12.5px; color:var(--ink-2); display:flex; align-items:center; gap:5px; flex-wrap:wrap}
.bt-teaser .btt-meta{font-size:11.5px; color:var(--ink-4); margin-top:2px}

.tier{border-left:2px solid var(--line); padding-left:0; margin-top:26px}
.tier-head{display:flex; align-items:center; gap:11px; margin-bottom:13px}
.tier-num{
  width:26px; height:26px; border-radius:50%; background:var(--ink); color:var(--paper-2);
  display:grid; place-items:center; font-size:13px; font-weight:700; flex:0 0 auto;
}
.tier-head h2{margin:0; font-size:17.5px}
.tier-head span.muted{font-size:12.5px}

.entry{
  display:flex; flex-direction:column; gap:5px; padding:15px 16px; border-radius:var(--r-m);
  background:var(--card); border:1px solid var(--line); box-shadow:var(--shadow-1); text-align:left;
  transition:.18s; height:100%;
}
.entry:hover{transform:translateY(-2px); box-shadow:var(--shadow-2); border-color:var(--line-strong); color:inherit}
.entry-t{font-family:var(--serif); font-size:15.5px; font-weight:700; display:flex; align-items:center; gap:8px}
.entry-d{font-size:13px; color:var(--ink-3); line-height:1.65}
.entry-meta{font-size:11.5px; color:var(--ink-4); letter-spacing:.04em; margin-top:2px}
.entry .dot{width:7px; height:7px; border-radius:50%; flex:0 0 auto}

.story-card{
  border-radius:var(--r-m); border:1px solid var(--line); background:var(--card);
  padding:16px 18px; box-shadow:var(--shadow-1);
}
.story-card .sc-eyebrow{font-size:11px; letter-spacing:.2em; color:var(--gold); font-weight:700; text-transform:uppercase}
.story-card h3{margin:7px 0 8px; font-size:17px}
.story-card p{margin:0 0 12px; font-size:13.5px; color:var(--ink-3)}

/* ---------- 时间线 ---------- */
.tl-toolbar{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  padding:12px 14px; border:1px solid var(--line); border-radius:var(--r-m); background:var(--card);
  margin-bottom:12px; box-shadow:var(--shadow-1); position:sticky; top:var(--nav-h); z-index:40;
}
.tl-scale{display:flex; gap:4px; background:var(--paper-3); padding:3px; border-radius:9px}
.tl-scale button{border:0; background:transparent; padding:5px 10px; border-radius:7px; font-size:13px; color:var(--ink-2)}
.tl-scale button.on{background:var(--card); color:var(--ink); font-weight:700; box-shadow:var(--shadow-1)}
.tl-sep{width:1px; height:22px; background:var(--line); margin:0 2px}
.tl-zoom{display:flex; align-items:center; gap:8px; margin-left:auto}
.tl-zoom input[type=range]{width:118px; accent-color:var(--cinnabar)}
.tl-legend{display:flex; gap:12px; flex-wrap:wrap; font-size:12px; color:var(--ink-3); margin-bottom:10px}
.tl-legend i{display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:5px; vertical-align:-1px}

.tl-frame{position:relative; border:1px solid var(--line); border-radius:var(--r-m); background:var(--card); box-shadow:var(--shadow-1); overflow:hidden}
.tl-scroll{overflow-x:auto; overflow-y:hidden; position:relative; scrollbar-width:thin}
.tl-track{position:relative; height:var(--tl-h,236px)}
.tl-lane-lbl{
  position:absolute; left:0; top:0; width:0; height:0; overflow:visible;
}
.tl-ruler{position:absolute; left:0; top:0; height:26px; width:100%; border-bottom:1px solid var(--line)}
.tl-tick{position:absolute; top:0; height:26px; border-left:1px solid var(--line); padding-left:5px; font-size:11px; color:var(--ink-4); white-space:nowrap; line-height:26px}
.tl-tick.major{border-left-color:var(--line-strong); color:var(--ink-3)}
.tl-band{position:absolute; height:26px; border-radius:5px; display:flex; align-items:center; overflow:hidden; transition:.15s; cursor:pointer}
.tl-band span{font-size:11.5px; padding:0 7px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-weight:600}
.tl-band:hover{filter:brightness(.96) saturate(1.15); box-shadow:0 0 0 2px color-mix(in srgb,var(--ink) 22%,transparent) inset}
.tl-band.stage{height:20px; background:var(--paper-3); border:1px dashed var(--line-strong)}
.tl-band.stage span{font-size:10.5px; font-weight:500; color:var(--ink-3)}
.tl-band.stage.feat{background:var(--cinnabar-bg); border:1px solid var(--cinnabar-soft)}
.tl-band.stage.feat span{color:var(--cinnabar); font-weight:700}
.tl-now{position:absolute; top:0; bottom:0; width:1px; background:var(--cinnabar); opacity:.5}
.tl-now::after{content:"今"; position:absolute; top:1px; left:2px; font-size:10px; color:var(--cinnabar); font-weight:700}
.tl-grid{position:absolute; left:0; top:26px; bottom:0; width:100%; pointer-events:none}
.tl-grid i{position:absolute; top:0; bottom:0; border-left:1px dotted var(--line); opacity:.75}

.tl-ev{
  position:absolute; width:22px; height:22px; margin-left:-11px; display:grid; place-items:center;
  transition:transform .14s;
}
.tl-ev .dot{width:9px; height:9px; border-radius:50%; box-shadow:0 0 0 2px var(--card); transition:.14s}
.tl-ev.imp-core .dot{width:13px; height:13px; box-shadow:0 0 0 3px var(--card),0 0 0 5px color-mix(in srgb,var(--cinnabar) 32%,transparent)}
.tl-ev.imp-major .dot{width:11px; height:11px; box-shadow:0 0 0 2.5px var(--card)}
.tl-ev:hover{transform:scale(1.4); z-index:20}
.tl-ev.on{transform:scale(1.45); z-index:21}
.tl-ev .lbl{
  position:absolute; left:50%; transform:translateX(-50%); top:22px; font-size:11px; white-space:nowrap;
  color:var(--ink-2); background:color-mix(in srgb,var(--card) 88%,transparent); padding:0 3px; border-radius:3px;
  pointer-events:none; opacity:0; transition:.15s;
}
.tl-ev:hover .lbl,.tl-ev.on .lbl{opacity:1}
.tl-cluster{
  position:absolute; margin-left:-14px; width:28px; height:28px; border-radius:50%;
  background:var(--card); border:1.5px solid var(--ink-3); display:grid; place-items:center;
  font-size:11.5px; font-weight:700; color:var(--ink-2); z-index:10; transition:.16s;
}
.tl-cluster:hover{border-color:var(--cinnabar); color:var(--cinnabar); transform:scale(1.12)}

.tl-hint{
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  font-size:12.5px; color:var(--ink-4); padding:8px 4px 0;
}

.tl-pop{
  position:fixed; z-index:80; width:308px; max-width:calc(100vw - 24px); background:var(--card);
  border:1px solid var(--line-strong); border-radius:var(--r-m); box-shadow:var(--shadow-2); padding:14px 16px;
  animation:fade .16s ease;
}
.tl-pop h4{margin:0 0 6px; font-size:15.5px}
.tl-pop .meta{font-size:12px; color:var(--ink-4); margin-bottom:8px}
.tl-pop p{margin:0 0 11px; font-size:13px; color:var(--ink-2); line-height:1.7}
.tl-pop .acts{display:flex; gap:8px; align-items:center}
.tl-pop .close{position:absolute; right:8px; top:8px; border:0; background:transparent; color:var(--ink-4); font-size:16px; line-height:1}

/* ---------- 阶段页 ---------- */
.stage-hero{
  border:1px solid var(--line); border-radius:var(--r-l); background:var(--card); box-shadow:var(--shadow-1);
  padding:26px 26px 22px; position:relative; overflow:hidden;
}
.stage-hero::before{content:""; position:absolute; inset:0 auto 0 0; width:4px; background:var(--cinnabar)}
.stage-hero h1{margin:6px 0 6px; font-size:clamp(22px,3.4vw,29px)}
.stage-hero .tagline{font-family:var(--serif); font-size:15.5px; color:var(--cinnabar); margin:0 0 12px}
.stage-facts{display:flex; flex-wrap:wrap; gap:8px 22px; font-size:13px; color:var(--ink-3); margin-top:12px}
.stage-facts b{color:var(--ink-2); font-weight:600}

.pos-bar{
  display:flex; align-items:center; gap:0; margin-top:16px; background:var(--paper-3);
  border-radius:8px; padding:5px; overflow:auto;
}
.pos-bar .seg{display:flex; align-items:center; gap:6px; padding:5px 10px; border-radius:6px; font-size:12.5px; color:var(--ink-3); white-space:nowrap}
.pos-bar .seg.on{background:var(--card); color:var(--ink); font-weight:700; box-shadow:var(--shadow-1)}
.pos-bar .arr{color:var(--ink-4); font-size:11px}

.rail{position:relative; padding:6px 0 6px 2px; overflow-x:auto}
.rail-in{display:flex; gap:0; min-width:min-content}
.rail-node{flex:0 0 auto; width:164px; padding-right:6px; position:relative; text-align:left}
.rail-node::before{content:""; position:absolute; left:14px; right:-6px; top:15px; height:2px; background:var(--line)}
.rail-node:last-child::before{display:none}
.rail-btn{
  border:0; background:transparent; padding:0; text-align:left; width:100%; position:relative; z-index:1;
}
.rail-btn .knob{
  width:30px; height:30px; border-radius:50%; background:var(--card); border:2px solid var(--line-strong);
  display:grid; place-items:center; font-size:12px; font-weight:700; color:var(--ink-3); transition:.18s;
}
.rail-btn:hover .knob{border-color:var(--cinnabar); color:var(--cinnabar); transform:scale(1.08)}
.rail-btn.on .knob{background:var(--cinnabar); border-color:var(--cinnabar); color:#fff}
.rail-btn .rlab{font-family:var(--serif); font-weight:700; font-size:13.5px; margin-top:8px; display:block}
.rail-btn .rdesc{font-size:11.5px; color:var(--ink-4); display:block; margin-top:3px; line-height:1.55; padding-right:10px}

.progress-track{height:7px; border-radius:4px; background:var(--paper-3); overflow:hidden; display:flex}
.progress-track i{height:100%; transition:.3s}
.progress-legend{display:flex; justify-content:space-between; gap:8px; margin-top:8px; font-size:11.5px; color:var(--ink-4); flex-wrap:wrap}
.progress-legend b{color:var(--cinnabar)}

.kv{display:grid; grid-template-columns:76px 1fr; gap:8px 14px; font-size:13.5px; align-items:start}
.kv dt{color:var(--ink-4); font-size:12.5px; padding-top:1px}
.kv dd{margin:0; color:var(--ink-2)}

.timeline-list{list-style:none; margin:0; padding:0; position:relative}
.timeline-list::before{content:""; position:absolute; left:7px; top:6px; bottom:6px; width:1px; background:var(--line)}
.timeline-list li{position:relative; padding:0 0 16px 30px}
.timeline-list li::before{
  content:""; position:absolute; left:3px; top:7px; width:9px; height:9px; border-radius:50%;
  background:var(--card); border:2px solid var(--line-strong);
}
.timeline-list li.core::before{border-color:var(--cinnabar); background:var(--cinnabar)}
.timeline-list .tl-date{font-size:12px; color:var(--ink-4); font-family:var(--mono)}
.timeline-list .tl-t{font-weight:700; font-size:14.5px}
.timeline-list .tl-d{font-size:13px; color:var(--ink-3)}

/* ---------- 事件页 ---------- */
.coord{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:13px; padding:11px 14px;
  border:1px solid var(--line); border-radius:var(--r-m); background:var(--card); box-shadow:var(--shadow-1);
  position:sticky; top:var(--nav-h); z-index:38; margin-bottom:18px;
}
.coord .node{padding:3px 10px; border-radius:999px; background:var(--paper-3); color:var(--ink-3); font-size:12.5px}
.coord-lab{
  font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--cinnabar);
  font-weight:700; border-right:1px solid var(--line); padding-right:10px; margin-right:2px; white-space:nowrap;
}
.coord .node.cur{background:var(--cinnabar); color:#fff; font-weight:700}
.coord .node.link:hover{background:var(--paper); color:var(--cinnabar)}
.coord .arr{color:var(--ink-4)}

.ev-grid{display:grid; grid-template-columns:minmax(0,1fr) 264px; gap:22px; align-items:start}
@media(max-width:980px){.ev-grid{grid-template-columns:minmax(0,1fr)}}
.side-stick{position:sticky; top:calc(var(--nav-h) + 62px)}

.ev-title{font-size:clamp(22px,3.3vw,30px); margin:4px 0 8px}
.summary-card{
  border-left:3px solid var(--cinnabar); background:var(--cinnabar-bg); border-radius:0 var(--r-m) var(--r-m) 0;
  padding:14px 18px; margin:14px 0 20px;
}
.summary-card p{margin:0; font-size:14.5px; color:var(--ink-2)}
.fact-row{display:flex; flex-wrap:wrap; gap:7px; margin-top:11px}
.fact{
  font-size:12px; background:color-mix(in srgb,var(--card) 80%,transparent); border:1px solid var(--line);
  padding:3px 9px; border-radius:6px; color:var(--ink-2);
}
.fact b{color:var(--ink-4); font-weight:500; margin-right:4px; font-size:11.5px}

.prose{font-size:15.2px; line-height:1.92; color:var(--ink-2)}
.prose p{margin:0 0 15px}
.prose h3{font-size:17px; color:var(--ink); margin:26px 0 11px; display:flex; align-items:center; gap:9px}
.prose h3::before{content:""; width:3px; height:15px; background:var(--cinnabar); border-radius:2px}
.prose blockquote{
  margin:0 0 15px; padding:12px 16px; background:var(--paper-3); border-radius:var(--r-s);
  font-family:var(--serif); font-size:14.5px; color:var(--ink-2); border-left:2px solid var(--line-strong);
}
.prose blockquote cite{display:block; font-style:normal; font-size:12px; color:var(--ink-4); margin-top:7px; font-family:var(--sans)}
.prose ul{padding-left:19px; margin:0 0 15px}
.prose li{margin-bottom:7px}

.chain{display:grid; gap:10px}
.chain-item{
  display:flex; gap:11px; align-items:flex-start; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-s); padding:11px 13px; transition:.16s;
}
.chain-item:hover{border-color:var(--line-strong); box-shadow:var(--shadow-1); color:inherit; transform:translateX(2px)}
.chain-item .cd{font-family:var(--mono); font-size:11.5px; color:var(--ink-4); flex:0 0 62px; padding-top:2px}
.chain-item .ct{font-weight:600; font-size:13.8px}
.chain-item .cx{font-size:12.5px; color:var(--ink-3); line-height:1.6}

.byline{display:flex; flex-wrap:wrap; gap:8px 20px; font-size:12.5px; color:var(--ink-4); margin-top:22px; padding-top:14px; border-top:1px solid var(--line)}
.src-item{display:flex; gap:10px; font-size:13px; padding:9px 0; border-bottom:1px dashed var(--line)}
.src-item:last-child{border-bottom:0}
.src-item .rk{flex:0 0 auto; font-size:11px; padding:1px 6px; border-radius:4px; background:var(--jade-bg); color:var(--jade); height:fit-content; font-weight:700}
.src-item .rk.r1{background:var(--cinnabar-bg); color:var(--cinnabar)}
.src-item .rk.r2{background:var(--indigo-bg); color:var(--indigo)}
.src-item .rk.r3{background:var(--gold-bg); color:var(--gold)}

.prevnext{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:26px}
.pn{
  border:1px solid var(--line); border-radius:var(--r-m); background:var(--card); padding:13px 15px;
  transition:.16s; display:block;
}
.pn:hover{border-color:var(--line-strong); box-shadow:var(--shadow-1); color:inherit}
.pn .dir{font-size:11.5px; color:var(--ink-4); letter-spacing:.1em}
.pn .ttl{font-weight:700; font-size:14px; margin-top:3px}
.pn.next{text-align:right}

/* ---------- 搜索 ---------- */
.searchbar{display:flex; gap:10px; align-items:center}
.searchbar input{
  flex:1 1 auto; padding:13px 16px; border-radius:var(--r-m); border:1px solid var(--line-strong);
  background:var(--card); font-size:15.5px; color:var(--ink); font-family:inherit; box-shadow:var(--shadow-1);
}
.searchbar input:focus{outline:2px solid color-mix(in srgb,var(--cinnabar) 40%,transparent); outline-offset:-1px}
.hint-row{display:flex; gap:8px; flex-wrap:wrap; margin-top:12px}
.res-group{margin-top:26px}
.res-group > h3{font-size:14px; margin:0 0 11px; color:var(--ink-3); letter-spacing:.06em}
.res-group > h3 b{color:var(--ink); margin-right:6px}
.res{
  display:flex; gap:12px; align-items:flex-start; padding:13px 15px; border:1px solid var(--line);
  border-radius:var(--r-m); background:var(--card); margin-bottom:10px; transition:.16s;
}
.res:hover{border-color:var(--line-strong); box-shadow:var(--shadow-1); color:inherit; transform:translateY(-1px)}
.res .rtype{flex:0 0 46px; font-size:11px; color:var(--ink-4); padding-top:3px; text-align:right; letter-spacing:.06em}
.res .rbody{flex:1 1 auto; min-width:0}
.res .rt{font-weight:700; font-size:15px; font-family:var(--serif)}
.res .rt em{font-style:normal; background:rgba(168,50,30,.14); border-radius:3px; padding:0 1px}
.res .rd{font-size:13px; color:var(--ink-3); margin-top:3px; line-height:1.65}
.res .rmeta{font-size:11.5px; color:var(--ink-4); margin-top:5px}
.answer-box{
  border:1px solid var(--cinnabar-soft); background:var(--cinnabar-bg); border-radius:var(--r-m);
  padding:18px 20px; margin-bottom:8px;
}
.answer-box h3{margin:0 0 8px; font-size:17px; color:var(--ink)}
.answer-box p{margin:0 0 12px; font-size:14.5px; color:var(--ink-2); line-height:1.8}
.pathline{display:flex; gap:7px; flex-wrap:wrap; align-items:center}
.pathline .pn2{
  font-size:12.5px; padding:4px 10px; border-radius:999px; background:var(--card); border:1px solid var(--line);
}
.pathline .pn2.cur{background:var(--cinnabar); border-color:var(--cinnabar); color:#fff; font-weight:700}
.pathline .arr2{color:var(--ink-4); font-size:11px}

/* ---------- 向导 ---------- */
.wizard-step{border-left:2px solid var(--line); padding:2px 0 2px 18px; margin-bottom:24px; position:relative}
.wizard-step::before{
  content:attr(data-n); position:absolute; left:-13px; top:0; width:24px; height:24px; border-radius:50%;
  background:var(--ink); color:var(--paper-2); display:grid; place-items:center; font-size:12.5px; font-weight:700;
}
.wizard-step h3{margin:0 0 11px; font-size:16px}
.path-out{display:grid; gap:0}
.path-node{display:flex; gap:13px; align-items:flex-start; position:relative; padding-bottom:18px}
.path-node::before{content:""; position:absolute; left:11px; top:26px; bottom:0; width:1px; background:var(--line)}
.path-node:last-child::before{display:none}
.path-node .pk{
  flex:0 0 23px; height:23px; border-radius:50%; background:var(--card); border:2px solid var(--line-strong);
  display:grid; place-items:center; font-size:11px; font-weight:700; color:var(--ink-3); margin-top:1px; z-index:1;
}
.path-node .pc b{font-size:14.5px; font-family:var(--serif)}
.path-node .pc span{display:block; font-size:12.5px; color:var(--ink-3); margin-top:2px}
.path-node .pkind{font-size:11px; color:var(--ink-4); letter-spacing:.08em; display:block; margin-bottom:2px}

/* ---------- 收藏 / 我的 ---------- */
.shelf-item{display:flex; gap:12px; align-items:flex-start; padding:12px 0; border-bottom:1px dashed var(--line)}
.shelf-item:last-child{border-bottom:0}
.shelf-item .st{font-weight:700; font-size:14.5px}
.shelf-item .sd{font-size:12.5px; color:var(--ink-3)}
.fav-btn{
  border:1px solid var(--line); background:var(--card); border-radius:8px; padding:6px 12px; font-size:13px;
  display:inline-flex; align-items:center; gap:6px; color:var(--ink-2); transition:.16s;
}
.fav-btn:hover{border-color:var(--cinnabar); color:var(--cinnabar)}
.fav-btn.on{background:var(--cinnabar-bg); border-color:var(--cinnabar-soft); color:var(--cinnabar); font-weight:600}
.empty{text-align:center; padding:40px 20px; color:var(--ink-4); font-size:14px}

.badge{font-size:11px; padding:1.5px 7px; border-radius:5px; font-weight:700; letter-spacing:.02em}
.b-core{background:var(--cinnabar); color:#fff}
.b-major{background:var(--cinnabar-bg); color:var(--cinnabar)}
.b-norm{background:var(--paper-3); color:var(--ink-3)}
.b-new{background:var(--jade-bg); color:var(--jade)}

/* ---------- 页脚 / 提示 ---------- */
.foot{border-top:1px solid var(--line); background:var(--paper-2); padding:26px 0 34px; margin-top:30px}
.foot-in{display:flex; gap:24px; justify-content:space-between; flex-wrap:wrap; font-size:13px; color:var(--ink-3)}
.foot-in b{color:var(--ink); font-family:var(--serif); font-size:15px}
.foot-in p{margin:8px 0 0; max-width:62ch; font-size:12.5px; line-height:1.7}
.foot-links{display:flex; flex-direction:column; gap:7px}
.foot-links a{font-size:13px}

.toast{
  position:fixed; left:50%; bottom:28px; transform:translate(-50%,14px); background:var(--ink); color:var(--paper-2);
  padding:10px 18px; border-radius:999px; font-size:13.5px; opacity:0; pointer-events:none; transition:.22s; z-index:90;
  box-shadow:var(--shadow-2); max-width:calc(100vw - 32px); text-align:center;
}
.toast.show{opacity:1; transform:translate(-50%,0)}

.mobile-tabs{display:none}
@media(max-width:640px){
  body{font-size:14.6px}
  .wrap{padding:0 15px}
  main{padding:18px 0 90px}
  .prevnext{grid-template-columns:1fr}
  .kv{grid-template-columns:64px 1fr}
  .tl-toolbar{top:var(--nav-h); padding:10px}
  .tl-zoom{margin-left:0; width:100%}
  .tl-zoom input[type=range]{flex:1 1 auto; width:auto}
  .tl-pop{position:fixed; left:12px; right:12px; width:auto; bottom:12px; top:auto}
}

@media print{
  .topbar,.foot,.tl-toolbar,.fav-btn,.coord{display:none}
}

/* ==========================================================================
   V0.2 新增模块：后人说法 / 问答折叠 / 阅读深度 / 时间线补充
   ========================================================================== */

/* ---------- 时间线补充 ---------- */
.tl-ev{
  border:0; background:transparent; padding:0; cursor:pointer;
  border-radius:50%;
}
.tl-ev:focus-visible{outline:2px solid var(--cinnabar); outline-offset:2px}
.tl-band.par{height:20px; opacity:.72}
.tl-lanelab{
  position:absolute; font-size:10.5px; color:var(--ink-4); letter-spacing:.06em;
  pointer-events:none; z-index:5; background:color-mix(in srgb,var(--card) 80%,transparent); padding:0 4px; border-radius:3px;
}
.tl-band[data-go]{cursor:pointer}

/* ---------- 折叠问答 ---------- */
.qa{
  border:1px solid var(--line); border-radius:var(--r-m); background:var(--card);
  margin-bottom:10px; box-shadow:var(--shadow-1); overflow:hidden;
}
.qa > summary{
  cursor:pointer; padding:14px 18px; font-weight:600; font-size:15px; position:relative; padding-right:42px;
  list-style:none; font-family:var(--serif);
}
.qa > summary::-webkit-details-marker{display:none}
.qa > summary::after{
  content:"展开"; position:absolute; right:16px; top:15px; font-size:11.5px; color:var(--ink-4);
  font-family:var(--sans); font-weight:400; letter-spacing:.06em;
}
.qa[open] > summary::after{content:"收起"}
.qa[open] > summary{color:var(--cinnabar)}
.qa-body{padding:0 18px 16px; border-top:1px solid var(--line); margin-top:0; padding-top:14px}
.qa-body p{margin:0 0 12px; font-size:14.5px; line-height:1.85; color:var(--ink-2)}

/* ---------- 后人说法 ---------- */
.claim{
  border:1px solid var(--line); border-left:3px solid var(--gold); border-radius:var(--r-m);
  background:var(--card); margin-bottom:10px; box-shadow:var(--shadow-1); overflow:hidden;
}
.claim > summary{
  cursor:pointer; padding:13px 16px; display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
  list-style:none; flex-wrap:wrap;
}
.claim > summary::-webkit-details-marker{display:none}
.claim-sum{font-size:14.5px; font-weight:600; flex:1 1 240px; line-height:1.65}
.claim-tags{display:flex; gap:6px; flex-wrap:wrap; flex:0 0 auto}
.claim[open] > summary{border-bottom:1px solid var(--line); background:var(--paper-3)}
.claim-body{padding:14px 16px 16px}
.claim-body .kv{grid-template-columns:70px 1fr}
.claim-body dd{font-size:13.4px; line-height:1.78}
.claim-wrap{margin-bottom:16px}
.claim-target{font-size:12.5px; color:var(--ink-4); margin-bottom:6px; padding-left:2px}
.claim-target a{color:var(--cinnabar)}
.claim-target a:hover{text-decoration:underline}
.claim-empty{
  background:var(--paper-3); border:1px dashed var(--line-strong); border-radius:var(--r-m);
  padding:14px 16px; font-size:13.5px; line-height:1.8; color:var(--ink-3); margin-bottom:16px;
}
.claim-empty a{color:var(--cinnabar); font-weight:600}
.tier-hint{font-size:13px; color:var(--ink-3); margin-bottom:12px}

/* ---------- 阅读深度 ---------- */
.deep-zone[hidden]{display:none}
.deep-zone{animation:fade .22s ease}
.rail-btn.on .rlab{color:var(--cinnabar)}

/* ---------- 表格 ---------- */
.tbl{width:100%; border-collapse:collapse; font-size:13.5px; min-width:520px}
.tbl th,.tbl td{text-align:left; padding:10px 12px; border-bottom:1px solid var(--line); vertical-align:top}
.tbl th{font-size:12px; color:var(--ink-4); letter-spacing:.08em; font-weight:600; white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{white-space:nowrap}

/* ---------- 事件页侧栏窄屏 ---------- */
@media (max-width:980px){
  .side-stick{position:static}
}

/* ---------- 打印 ---------- */
@media print{
  .claim, .qa{border-color:#ccc; box-shadow:none}
  .claim > summary, .qa > summary{padding:8px 10px}
  .deep-zone[hidden]{display:block !important}
}

/* ==========================================================================
   V0.3 · 战争模块
   战役概览 / 战争进程（图片化） / 关键因素 / 后人说法 / 关联 / 来源与审核
   所有地图为原创 SVG 历史示意图
   ========================================================================== */

/* ---------------- 战役页头部 ---------------- */
.bt-head{margin:6px 0 16px}
.bt-headsum{
  font-family:var(--serif); font-size:15px; line-height:1.7; color:var(--ink-2);
  border-left:3px solid var(--cinnabar); padding-left:14px; margin-top:10px; max-width:820px;
}
.bt-tabs{
  display:flex; gap:2px; overflow-x:auto; border-bottom:1px solid var(--line);
  margin:0 0 20px; padding-bottom:0; scrollbar-width:none;
}
.bt-tabs::-webkit-scrollbar{display:none}
.bt-tab{
  padding:10px 15px; font-size:13.5px; white-space:nowrap; color:var(--ink-3);
  border-bottom:2px solid transparent; margin-bottom:-1px; transition:.15s;
}
.bt-tab:hover{color:var(--ink); background:var(--paper-3)}
.bt-tab.on{color:var(--cinnabar); border-bottom-color:var(--cinnabar); font-weight:700}
.bt-body{min-width:0}
.bt-side{display:none}
@media (min-width:1040px){
  .bt-body{max-width:calc(100% - 0px)}
}

/* ---------------- 审核状态横幅 ---------------- */
.review-bar{
  display:flex; flex-wrap:wrap; align-items:center; gap:8px 12px;
  background:var(--cinnabar-bg); border:1px solid rgba(168,50,30,.22);
  border-left:4px solid var(--cinnabar);
  border-radius:var(--r-m); padding:12px 16px; margin-bottom:20px;
}
.rb-lab{font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--cinnabar); font-weight:700; white-space:nowrap}
.rb-state{
  font-size:12.5px; font-weight:700; color:var(--cinnabar);
  background:var(--card); border-radius:99px; padding:2px 12px; white-space:nowrap;
}
.rb-note{flex:1 1 320px; font-size:12.5px; line-height:1.6; color:var(--ink-2)}
.rb-more{font-size:12.5px; color:var(--cinnabar); white-space:nowrap; text-decoration:underline}

/* ---------------- 概览 ---------------- */
.bt-kv dt{min-width:88px}
.bt-h3{margin:0 0 12px; font-size:15px}
.bt-sides{display:grid; grid-template-columns:1fr; gap:12px; margin-bottom:16px}
@media (min-width:760px){ .bt-sides{grid-template-columns:1fr 1fr} }
.bt-side{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-m);
  padding:14px 16px; border-top:3px solid var(--sc); box-shadow:var(--shadow-1);
}
.bs-name{font-family:var(--serif); font-size:15px; font-weight:700; display:flex; align-items:center; gap:8px}
.bs-name i{width:10px; height:10px; border-radius:2px; background:var(--sc); flex:none}
.bs-cmd{font-size:13px; color:var(--ink-2); margin-top:8px}
.bs-cmd b{color:var(--ink-3); font-weight:400; margin-right:8px; font-size:12.5px}
.bs-note{font-size:12.5px; color:var(--ink-3); margin:8px 0 0; line-height:1.65}
.bt-dot{display:inline-block; width:9px; height:9px; border-radius:2px; margin-right:7px; vertical-align:middle}
.bt-src-lab{font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-4); margin-bottom:10px; font-weight:700}
.bt-contro{
  display:flex; gap:10px; align-items:flex-start; margin-top:12px; padding-top:12px;
  border-top:1px dashed var(--line); font-size:13px; line-height:1.7; color:var(--ink-2);
}
.bt-contro .chip{flex:none}

/* 示意图一览 */
.bt-mapgrid{display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:12px; margin-bottom:8px}
.bt-mapcard{
  display:flex; flex-direction:column; gap:5px; padding:14px 15px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-m);
  box-shadow:var(--shadow-1); transition:.16s;
}
.bt-mapcard:hover{border-color:var(--cinnabar); transform:translateY(-2px); box-shadow:var(--shadow-2)}
.bmc-i{font-size:11px; letter-spacing:.1em; color:var(--cinnabar); font-weight:700}
.bmc-t{font-family:var(--serif); font-size:14.5px; font-weight:700; line-height:1.45}
.bmc-m{font-size:12px; color:var(--ink-4)}

/* ---------------- 进程：阶段步骤条 ---------------- */
.bt-steps{display:flex; gap:8px; overflow-x:auto; padding:2px 2px 12px; scrollbar-width:thin}
.bt-step{
  flex:1 0 auto; min-width:150px; display:flex; gap:10px; align-items:flex-start;
  padding:11px 13px; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-m); transition:.16s; position:relative;
}
.bt-step:hover{border-color:var(--line-strong)}
.bt-step.done{background:var(--paper-3)}
.bt-step.on{border-color:var(--cinnabar); box-shadow:0 0 0 1px var(--cinnabar) inset}
.bs-n{
  flex:none; width:23px; height:23px; border-radius:50%; display:grid; place-items:center;
  background:var(--paper-3); color:var(--ink-3); font-size:12px; font-weight:700; font-family:var(--sans);
}
.bt-step.on .bs-n{background:var(--cinnabar); color:#fff}
.bt-step.done .bs-n{background:var(--indigo); color:#fff}
.bs-c{display:flex; flex-direction:column; min-width:0}
.bs-c b{font-size:13px; font-weight:600; line-height:1.45; font-family:var(--serif)}
.bs-c i{font-size:11.5px; color:var(--ink-4); font-style:normal; margin-top:2px}

/* ---------------- 进程：主视图 ---------------- */
.bt-stage-head{display:flex; justify-content:space-between; align-items:flex-end; gap:16px; flex-wrap:wrap; margin:8px 0 12px}
.bt-ph-title{font-size:20px; margin:6px 0 8px}
.bt-ph-meta{display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.bt-zoombar{display:flex; gap:6px}
.bt-zoombar .chip{min-width:38px; text-align:center}
.bt-mapstage{
  position:relative; overflow:hidden; background:var(--map-bg);
  border:1px solid var(--line); border-radius:var(--r-m); box-shadow:var(--shadow-1);
  cursor:default; touch-action:pan-y;
}
.bt-mapstage.zoomed{cursor:grab}
.bt-mapstage.grabbing{cursor:grabbing}
.bt-mapinner{transform-origin:center center; transition:transform .12s ease-out; will-change:transform}
.bt-mapinner svg.bmap{display:block; width:100%; height:auto}

/* SVG 内部文字 */
.bmap .blab{font-family:var(--sans); font-size:13px; fill:var(--ink-2); paint-order:stroke; stroke:var(--map-bg); stroke-width:3.4px; stroke-linejoin:round}
.bmap .bnode-lab{font-size:13.5px; font-weight:600; fill:var(--ink)}
.bmap .broute-lab{font-size:12.5px; font-weight:600}
.bmap .bwater-lab{fill:var(--map-water); font-style:italic}
.bmap .bhill-lab{fill:var(--map-hill)}
.bmap .bseal{font-size:13px; font-weight:700; letter-spacing:.18em; fill:var(--cinnabar); stroke-width:0}
.bmap .bnode{cursor:pointer}
.bmap .bnode:hover .bnode-lab{fill:var(--cinnabar)}
.bmap .bnode:focus{outline:none}
.bmap .bnode:focus .bnode-lab{fill:var(--cinnabar)}
.bt-mapfoot{display:flex; flex-direction:column; gap:6px; margin:10px 0 6px; font-size:12.5px; line-height:1.65}
.bf-lab{color:var(--ink-3)}
.bf-lab.bf-warn{color:var(--cinnabar); font-weight:600}
.bf-lab.bf-contro{display:flex; gap:8px; align-items:flex-start; color:var(--ink-2)}

/* 热点弹窗 */
.bt-hot{margin:14px 0 4px}
.bt-hot[hidden]{display:none}
.hp-in{
  position:relative; background:var(--card); border:1px solid var(--line-strong);
  border-left:4px solid var(--cinnabar); border-radius:var(--r-m);
  padding:14px 46px 14px 16px; box-shadow:var(--shadow-2);
}
.hp-x{
  position:absolute; right:8px; top:8px; width:28px; height:28px; border:1px solid var(--line);
  background:var(--paper-2); border-radius:50%; font-size:17px; line-height:1; color:var(--ink-3);
}
.hp-x:hover{color:var(--cinnabar); border-color:var(--cinnabar)}
.hp-head{display:flex; align-items:center; gap:9px; flex-wrap:wrap}
.hp-head b{font-family:var(--serif); font-size:16px}
.hp-now{font-size:12.5px; color:var(--ink-4); margin-top:6px}
.hp-desc{font-size:13.5px; line-height:1.75; color:var(--ink-2); margin:10px 0 0}
.hp-foot{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:12px; padding-top:10px; border-top:1px dashed var(--line)}

/* 热点列表 */
.bt-hotlist{display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:9px}
.bt-hotitem{
  display:flex; flex-direction:column; gap:3px; text-align:left;
  padding:11px 13px; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-s); transition:.15s;
}
.bt-hotitem:hover{border-color:var(--cinnabar); background:var(--cinnabar-bg)}
.bhi-k{font-size:10.5px; letter-spacing:.12em; color:var(--cinnabar); font-weight:700}
.bhi-t{font-size:13.5px; font-weight:600; font-family:var(--serif)}
.bhi-n{font-size:11.5px; color:var(--ink-4)}

/* 路线列表 */
.bt-routelist{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px}
.bt-routelist li{display:flex; gap:10px; align-items:baseline; font-size:13px; line-height:1.65}
.br-line{width:24px; height:4px; border-radius:2px; flex:none; transform:translateY(-3px)}
.br-side{flex:none; font-weight:700; font-size:12.5px; min-width:76px}
.br-txt{color:var(--ink-2)}

/* 阶段说明补充 */
.bt-note{
  display:flex; gap:10px; align-items:flex-start; font-size:13px; line-height:1.7;
  color:var(--ink-2); padding:10px 12px; background:var(--paper-3); border-radius:var(--r-s); margin-bottom:8px;
}
.bn-k{flex:none; font-size:11px; letter-spacing:.1em; color:var(--cinnabar); font-weight:700; padding-top:3px}
.bt-stagefoot{margin-top:14px; text-align:center}

/* 上一/下一阶段 */
.bt-nav{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:18px 0 6px}
.bt-nav .pn{
  display:block; padding:13px 15px; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-m); box-shadow:var(--shadow-1); transition:.16s;
}
.bt-nav .pn:hover{border-color:var(--cinnabar); transform:translateY(-2px)}
.bt-nav .pn.next{text-align:right}
.bt-nav .pn.off{opacity:.45; pointer-events:none}
.bt-nav .dir{font-size:11.5px; color:var(--cinnabar); letter-spacing:.06em}
.bt-nav .ttl{font-family:var(--serif); font-size:14px; font-weight:600; margin-top:4px; line-height:1.45}

/* ---------------- 关键因素 ---------------- */
.bf-nav,.bf-mode{display:flex; flex-wrap:wrap; gap:7px; margin-bottom:14px}
.bf-nav{margin-bottom:8px}
.bf-n{
  font-style:normal; font-size:10.5px; margin-left:5px; opacity:.7; font-family:var(--sans); font-weight:700;
}
.bf-mode{align-items:center; padding-bottom:14px; border-bottom:1px solid var(--line); margin-bottom:16px}
.bf-mode .tiny{margin-left:auto}
.bf-catdesc{
  display:flex; gap:12px; align-items:baseline; flex-wrap:wrap;
  background:var(--gold-bg); border-radius:var(--r-s); padding:11px 14px; margin-bottom:14px; font-size:13px;
}
.bf-catdesc b{font-family:var(--serif); font-size:14px; color:var(--gold)}
.bf-catdesc span{color:var(--ink-2)}

.bf-list{display:flex; flex-direction:column; gap:10px}
.bf-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-m);
  box-shadow:var(--shadow-1); overflow:hidden;
}
.bf-card[open]{border-color:var(--line-strong); box-shadow:var(--shadow-2)}
.bf-card > summary{
  display:flex; gap:14px; align-items:flex-start; padding:14px 16px; cursor:pointer; list-style:none;
}
.bf-card > summary::-webkit-details-marker{display:none}
.bf-card > summary::after{
  content:'＋'; flex:none; color:var(--ink-4); font-size:15px; margin-left:auto; padding-left:6px;
}
.bf-card[open] > summary::after{content:'−'; color:var(--cinnabar)}
.bf-cat{
  flex:none; width:60px; font-size:11.5px; font-weight:700; color:var(--cinnabar);
  border-right:1px solid var(--line); padding-right:12px; line-height:1.5;
}
.bf-body{display:flex; flex-direction:column; gap:4px; min-width:0; flex:1}
.bf-title{font-family:var(--serif); font-size:15px; font-weight:700; line-height:1.45}
.bf-one{font-size:13px; color:var(--ink-3); line-height:1.6}
.bf-tags{display:flex; gap:6px; flex-wrap:wrap; flex:none}
.bf-inner{padding:0 16px 18px; border-top:1px solid var(--line)}
.bf-sub{
  font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-4);
  font-weight:700; margin:16px 0 9px;
}
.bf-detail{margin:0; font-size:14px; line-height:1.85}
.bf-src .src-item{padding:8px 0}
.bt-cmp td,.bt-cmp th{font-size:12.5px; vertical-align:top; line-height:1.65}
.bt-cmp .bf-k{font-weight:600; color:var(--ink-3); white-space:nowrap; width:110px}
.bf-status{margin-top:14px; padding-top:10px; border-top:1px dashed var(--line)}
.bf-timeline{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:14px}
.bf-timeline li{display:flex; gap:12px; align-items:flex-start; font-size:13px; line-height:1.65}
.bf-timeline .bt-n{
  flex:none; width:23px; height:23px; border-radius:50%; display:grid; place-items:center;
  background:var(--cinnabar); color:#fff; font-size:12px; font-weight:700; font-family:var(--sans);
}
.bf-timeline b{font-family:var(--serif); font-size:14px; display:block}
.bf-timeline i{font-style:normal; font-size:12px}
.bf-tp{font-size:12.5px; color:var(--ink-2); margin-top:3px}

/* ---------------- 后人说法说明 ---------------- */
.bt-claimnote{
  background:var(--jade-bg); border-left:4px solid var(--jade); border-radius:var(--r-s);
  padding:12px 16px; font-size:13px; line-height:1.75; color:var(--ink-2); margin-bottom:18px;
}

/* ---------------- 审核流程 ---------------- */
.audit-flow{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px}
.audit-flow li{
  display:flex; align-items:center; gap:12px; padding:11px 14px;
  border:1px solid var(--line); border-radius:var(--r-s); font-size:13px;
}
.audit-flow li.ok{border-color:var(--jade); background:var(--jade-bg)}
.audit-flow li.wait{opacity:.8}
.af-n{
  flex:none; width:24px; height:24px; border-radius:50%; display:grid; place-items:center;
  background:var(--paper-3); font-size:12px; font-weight:700; font-family:var(--sans);
}
.audit-flow li.ok .af-n{background:var(--jade); color:#fff}
.audit-flow b{font-family:var(--serif); font-size:14px; flex:none; min-width:76px}
.af-s{color:var(--ink-3); font-size:12.5px}
.bt-legal{margin:0; padding-left:20px; display:flex; flex-direction:column; gap:9px; font-size:13px; line-height:1.7; color:var(--ink-2)}
.bt-legal b{color:var(--ink)}

/* ---------------- 战役总览页 ---------------- */
.bt-cards{display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; margin-bottom:26px}
.bt-card{
  display:flex; flex-direction:column; gap:10px; padding:18px 20px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-l);
  box-shadow:var(--shadow-1); transition:.18s;
}
.bt-card:hover{border-color:var(--cinnabar); transform:translateY(-3px); box-shadow:var(--shadow-2)}
.bc-top{display:flex; gap:8px; align-items:center; flex-wrap:wrap}
.bc-date{font-size:11.5px; letter-spacing:.06em; color:var(--cinnabar); font-weight:700}
.bc-name{font-family:var(--serif); font-size:19px; margin:0}
.bc-sum{font-size:13px; line-height:1.7; color:var(--ink-3); margin:0; flex:1}
.bc-meta{display:flex; gap:14px; flex-wrap:wrap; font-size:12px; color:var(--ink-4)}
.bc-sides{display:flex; align-items:center; gap:4px; font-size:12.5px; color:var(--ink-2); flex-wrap:wrap}
.bc-sides i{font-style:normal; color:var(--ink-4); margin:0 5px}
.bf-catgrid .bfc-head{display:flex; align-items:center; gap:8px; justify-content:space-between}
.bfc-head b{font-family:var(--serif); font-size:14.5px}
.bt-siderow{display:flex; gap:10px; align-items:flex-start; margin-bottom:10px; font-size:13px}
.bt-siderow .bt-dot{margin-top:6px; flex:none}

/* ---------------- 响应式 ---------------- */
@media (max-width:720px){
  .bt-nav{grid-template-columns:1fr}
  .bt-nav .pn.next{text-align:left}
  .bf-cat{width:auto; border-right:none; padding-right:0; margin-bottom:4px}
  .bf-card > summary{flex-wrap:wrap}
  .bf-card > summary::after{position:absolute; right:14px}
  .bf-card > summary{position:relative; padding-right:36px}
  .bf-mode .tiny{margin-left:0; width:100%}
  .bt-mapgrid{grid-template-columns:1fr}
  .bt-cards{grid-template-columns:1fr}
}

/* ==========================================================================
   V0.4 · 工具模块
   纪年换算器 / 古今地名查询 / 历史卡片 / 随机漫游 / 知识图谱
   ========================================================================== */
.tool-note{
  background:var(--indigo-bg); border-left:4px solid var(--indigo); border-radius:var(--r-s);
  padding:12px 16px; font-size:13px; line-height:1.75; color:var(--ink-2); margin-bottom:18px;
}
.tool-card{display:flex; flex-direction:column; gap:8px; transition:.18s}
.tool-card:hover{border-color:var(--cinnabar); transform:translateY(-3px); box-shadow:var(--shadow-2)}
.tc-top{display:flex; align-items:center; justify-content:space-between}
.tc-ico{
  width:40px; height:40px; border-radius:var(--r-s); background:var(--cinnabar-bg);
  color:var(--cinnabar); display:grid; place-items:center;
  font-family:var(--serif); font-size:20px; font-weight:700;
}
.tc-name{font-family:var(--serif); font-size:17px; margin:2px 0 0}
.tc-desc{font-size:13px; color:var(--ink-3); line-height:1.7; margin:0; flex:1}
.tc-note{font-size:11.5px; color:var(--ink-4); border-top:1px dashed var(--line); padding-top:8px}
.tl-lab{display:block; font-size:12px; letter-spacing:.1em; color:var(--ink-4); font-weight:700; margin-bottom:8px}
.tool-in{display:flex; gap:8px}
.tl-in{
  flex:1; padding:11px 14px; border:1px solid var(--line-strong); border-radius:var(--r-s);
  background:var(--paper-2); color:var(--ink); font-size:15px; font-family:var(--sans); min-width:0;
}
.tl-in:focus{outline:none; border-color:var(--cinnabar); box-shadow:0 0 0 3px rgba(168,50,30,.1)}
select.tl-in{appearance:auto}

/* 古今地名 */
.pl-row{display:flex; gap:12px; align-items:baseline; flex-wrap:wrap; padding:9px 0; border-bottom:1px dashed var(--line)}
.pl-row:last-of-type{border-bottom:none}
.pl-old{font-family:var(--serif); font-size:16px; font-weight:700; min-width:110px}
.pl-row .arr{color:var(--cinnabar); font-weight:700}
.pl-now{font-size:14px; color:var(--ink-2); flex:1; min-width:160px}
.pl-src{flex-basis:100%; padding-left:0}
.pl-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:9px}
.pl-card{
  display:flex; align-items:center; gap:8px; padding:12px 14px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-s); transition:.15s;
}
.pl-card:hover{border-color:var(--cinnabar); background:var(--cinnabar-bg)}
.plc-old{font-family:var(--serif); font-size:14px; font-weight:700}
.plc-arr{color:var(--cinnabar); font-size:12px}
.plc-now{font-size:12.5px; color:var(--ink-3); min-width:0}
.plc-now i{font-style:normal; color:var(--ink-4); font-size:11px}

/* 随机漫游 */
.roam-card{
  background:var(--card); border:1px solid var(--line); border-left:5px solid var(--cinnabar);
  border-radius:var(--r-l); padding:26px 28px; box-shadow:var(--shadow-2); margin-bottom:24px;
}
.rc-top{display:flex; gap:7px; flex-wrap:wrap; margin-bottom:12px}
.rc-title{font-family:var(--serif); font-size:28px; margin:0 0 8px; line-height:1.35}
.rc-date{font-size:13px; color:var(--cinnabar); font-weight:600; margin-bottom:12px}
.rc-sum{font-size:14.5px; line-height:1.85; color:var(--ink-2); margin:0}

/* 知识图谱 */
.gsvg{display:block; width:100%; height:auto}
.gedge{transition:stroke-opacity .15s}
.gnode{cursor:pointer}
.gnode:hover .gedge{stroke-opacity:.9}
.gnode circle{transition:r .15s}
.gnode:hover circle{r:9}
.gnode .glab{cursor:pointer}
.glab{
  font-family:var(--sans); font-size:13px; fill:var(--ink-2);
  paint-order:stroke; stroke:var(--card); stroke-width:3px; stroke-linejoin:round;
}
.grel{font-size:11px; fill:var(--ink-4)}
.gclab{font-size:17px; font-weight:700; fill:var(--ink); stroke-width:4px}
.gcrel{font-size:12px; fill:var(--cinnabar); font-weight:600}
.gnode:focus{outline:none}
.gnode:focus .glab{fill:var(--cinnabar)}

/* 历史卡片 */
.card-wrap{display:flex; gap:26px; flex-wrap:wrap; align-items:flex-start; margin-bottom:10px}
.hcard{
  width:340px; aspect-ratio:1000/1400; flex:none;
  background:#fffdf8; border:1px solid var(--line); border-radius:4px;
  padding:24px 22px; box-shadow:var(--shadow-2); position:relative; overflow:hidden;
  display:flex; flex-direction:column;
}
.hcard::before{content:''; position:absolute; left:0; top:60px; right:0; height:4px; background:var(--cinnabar)}
.hc-brand{display:flex; align-items:center; gap:8px; font-size:11.5px; color:var(--ink-3); font-weight:600}
.hc-mark{
  width:24px; height:24px; border-radius:6px; background:var(--cinnabar); color:#f7f4ec;
  display:grid; place-items:center; font-family:var(--serif); font-size:13px; font-weight:700;
}
.hc-kind{
  position:absolute; right:22px; top:24px; font-size:12px; font-weight:700; color:var(--cinnabar);
  letter-spacing:.1em;
}
.hc-title{font-family:var(--serif); font-size:26px; margin:16px 0 6px; line-height:1.3; word-break:break-all}
.hc-sub{font-size:11.5px; color:var(--cinnabar); font-weight:600; line-height:1.5}
.hc-line{height:1px; background:var(--line-strong); margin:13px 0}
.hc-body{font-size:12.5px; line-height:1.85; color:var(--ink-2); margin:0; flex:1; overflow:hidden}
.hc-src{font-size:10px; color:var(--ink-4); line-height:1.6; margin-bottom:8px}
.hc-foot{
  display:flex; justify-content:space-between; gap:10px; border-top:1px solid var(--line);
  padding-top:8px; font-size:9.5px; color:var(--ink-4); flex-wrap:wrap;
}
.hc-actions{display:flex; flex-direction:column; gap:10px; align-items:flex-start}
@media (max-width:720px){ .card-wrap{justify-content:center} }

/* ================================ V0.5 故事化讲解 ================================ */
.story-depth .chip{ font-size:13px; padding:7px 14px }
.story-zone{ margin-top:6px }
.story-review{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  background:var(--jade-bg); border:1px solid color-mix(in srgb, var(--jade) 35%, transparent);
  border-radius:10px; padding:9px 13px; margin-bottom:12px; font-size:12.5px; color:var(--ink-2);
}
.story-review.draft{ background:var(--gold-bg); border-color:color-mix(in srgb, var(--gold) 35%, transparent) }
.story-review .sr-ico{ width:20px; height:20px; border-radius:50%; display:grid; place-items:center; background:var(--jade); color:#fff; font-size:12px; flex:0 0 auto }
.story-review.draft .sr-ico{ background:var(--gold) }
.story-review .sr-main{ font-weight:600; color:var(--ink) }
.story-review .sr-meta{ color:var(--ink-3); font-size:11.5px }
.story-review .sr-meta::before{ content:"·"; margin-right:6px; color:var(--ink-4) }

.story-hint{
  font-size:12.5px; color:var(--ink-3); line-height:1.7; background:var(--paper-3);
  border-left:3px solid var(--cinnabar); border-radius:0 8px 8px 0; padding:10px 13px; margin-bottom:16px;
}
.story-hint .cite-ref-inline, .story-hint .contro-inline{ color:var(--cinnabar); font-weight:700 }

.story-seg{
  background:var(--paper-2); border:1px solid var(--line); border-radius:12px;
  margin-bottom:12px; overflow:hidden; box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.story-seg[open]{ }
.story-seg > .seg-head{
  display:flex; align-items:center; gap:11px; cursor:pointer; padding:13px 15px; user-select:none;
  list-style:none; background:linear-gradient(180deg, var(--paper-2), var(--paper-3));
}
.story-seg > .seg-head::-webkit-details-marker{ display:none }
.story-seg > .seg-head:hover{ background:var(--paper-3) }
.story-seg .seg-no{
  flex:0 0 auto; width:26px; height:26px; border-radius:50%; background:var(--cinnabar); color:#fff;
  display:grid; place-items:center; font-family:var(--serif); font-size:13px; font-weight:700;
}
.story-seg .seg-role{
  flex:0 0 auto; font-size:12px; font-weight:700; letter-spacing:.08em; color:var(--cinnabar);
  background:var(--cinnabar-bg); padding:3px 9px; border-radius:999px;
}
.story-seg .seg-title{ flex:1 1 auto; font-size:15px; font-weight:600; color:var(--ink); font-family:var(--serif) }
.story-seg .seg-fold{ flex:0 0 auto; color:var(--ink-3); transition:transform .2s; font-size:13px }
.story-seg:not([open]) .seg-fold{ transform:rotate(-90deg) }
.story-seg .seg-body{ padding:4px 17px 15px }
.story-seg .seg-text{ font-size:15px; line-height:1.95; color:var(--ink-2); margin:6px 0 12px; text-align:justify }
.story-seg .seg-text p{ margin:0 }
.story-link{ color:var(--indigo); font-weight:600; text-decoration:none; border-bottom:1px solid color-mix(in srgb, var(--indigo) 40%, transparent) }
.story-link:hover{ color:var(--cinnabar) }

/* 引用标记与引用列表 */
.cite-ref{ color:var(--cinnabar); font-weight:700; text-decoration:none; font-size:12px }
.cite-ref:hover{ text-decoration:underline }
.cite-box{ margin-top:10px; border:1px dashed var(--line-strong); border-radius:8px; background:var(--paper-3) }
.cite-box > summary{ cursor:pointer; padding:8px 12px; font-size:12.5px; font-weight:600; color:var(--ink-3); list-style:none }
.cite-box > summary::-webkit-details-marker{ display:none }
.cite-box > summary::before{ content:"▸ "; color:var(--cinnabar) }
.cite-box[open] > summary::before{ content:"▾ " }
.cite-list{ margin:0; padding:6px 14px 12px 6px; list-style:none; counter-reset:none }
.cite-list li{ display:flex; flex-wrap:wrap; gap:6px 9px; align-items:baseline; padding:7px 0; border-top:1px solid var(--line) }
.cite-list li:first-child{ border-top:none }
.cite-list .cite-num{ flex:0 0 auto; width:20px; height:20px; border-radius:50%; background:var(--ink-4); color:#fff; font-size:11px; display:grid; place-items:center }
.cite-src{ flex:0 0 auto; cursor:pointer; border:1px solid var(--jade); color:var(--jade); background:transparent; border-radius:6px; padding:2px 8px; font-size:12px; font-weight:600; font-family:inherit }
.cite-src:hover{ background:var(--jade-bg) }
.cite-quote{ flex:1 1 200px; margin:0; padding-left:10px; border-left:2px solid var(--line-strong); color:var(--ink-2); font-size:13px; line-height:1.7; font-family:var(--serif) }
.cite-note{ flex-basis:100%; margin:0; padding-left:29px; font-size:12px; color:var(--ink-3); line-height:1.65 }
.cite-list li.flash{ background:var(--cinnabar-bg); border-radius:6px; transition:background .3s }

/* 争议色块 */
.story-contro{ margin-top:12px; border:1px solid color-mix(in srgb, var(--gold) 45%, transparent); border-left:4px solid var(--gold); border-radius:0 10px 10px 0; background:var(--gold-bg); padding:12px 14px }
.story-contro .sc-head{ font-weight:700; color:var(--gold); font-size:13px; margin-bottom:8px; letter-spacing:.03em }
.story-contro .sc-views{ margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:8px }
.story-contro .sc-views li{ font-size:13px; line-height:1.7; color:var(--ink-2) }
.story-contro .sc-src{ display:inline-block; font-size:11.5px; font-weight:700; color:var(--gold); margin-right:7px }

/* 信息层 */
.info-layer{ margin-top:16px; border:1px solid var(--line); border-radius:12px; overflow:hidden; background:var(--paper-2) }
.info-layer > summary{ cursor:pointer; padding:12px 15px; font-size:14px; font-weight:700; color:var(--ink); list-style:none; background:var(--paper-3) }
.info-layer > summary::-webkit-details-marker{ display:none }
.info-layer > summary::before{ content:"▸ "; color:var(--cinnabar) }
.info-layer[open] > summary::before{ content:"▾ " }
.info-layer > summary::after{ content:"（背景 · 经过 · 结果 · 影响）"; font-size:11.5px; font-weight:400; color:var(--ink-4); margin-left:8px }
.info-layer .card{ border:none; border-radius:0; box-shadow:none }

/* ---------- V0.6 后世评价与接受史 ---------- */
.eval-card{ border-left:3px solid var(--line-strong) }
.eval-head{ display:flex; gap:6px; flex-wrap:wrap; margin-bottom:8px }
.eval-who{ display:flex; align-items:baseline; gap:10px; margin-bottom:6px }
.eval-who b{ font-size:14.5px }
.eval-body{ margin:0; font-size:14px; line-height:1.75; color:var(--ink) }
.eval-kw{ white-space:nowrap }
.debate-card .kv dt{ width:64px; color:var(--ink-3); font-size:12.5px }
.debate-card .kv dd{ margin-left:76px; font-size:13px; line-height:1.65 }
.eval-timeline{ position:relative; padding-left:14px; border-left:2px solid var(--line) }
.eval-timeline .eval-card{ position:relative }
.eval-timeline .eval-card::before{ content:""; position:absolute; left:-20px; top:22px; width:8px; height:8px; border-radius:50%; background:var(--cinnabar); box-shadow:0 0 0 3px var(--paper) }