:root{
  --bg:#f7f5f0;
  --ink:#1f1c18;
  --ink-2:#5c554b;
  --ink-3:#8b8275;
  --line:#ddd6c9;
  --accent:#8c2f1f;
  --insert-bg:#fbf8f1;
  --primary:#6b5b4a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink)}
body{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  font-size:17px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}

#app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}

/* ---- 侧栏 ---- */
#side{
  border-right:1px solid var(--line);
  padding:28px 22px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:#faf8f3;
}
.brand{
  font-size:13px;letter-spacing:.22em;color:var(--ink-3);
  text-transform:uppercase;margin-bottom:28px;
}
#side h1{font-size:26px;margin:0 0 6px;font-weight:600;letter-spacing:.04em}
#side h2{
  font-size:12px;letter-spacing:.16em;color:var(--ink-3);
  font-weight:500;margin:30px 0 10px;text-transform:uppercase;
}
#side h2 small{letter-spacing:0;text-transform:none;font-weight:400;color:var(--ink-3);font-size:11px;margin-left:6px}
.era{font-size:14px;color:var(--ink-2);margin-bottom:4px}
.alias{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.alias span{display:inline-block;border:1px solid var(--line);border-radius:3px;padding:1px 6px;margin:0 4px 4px 0}
.summary{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}

/* 来源开关 */
#src-list{list-style:none;margin:0;padding:0}
#src-list li{
  display:flex;align-items:center;gap:9px;
  padding:7px 8px;margin-bottom:2px;border-radius:4px;
  cursor:pointer;user-select:none;font-size:15px;
  transition:background .12s;
}
#src-list li:hover{background:#f0ece2}
#src-list li .dot{width:9px;height:9px;border-radius:2px;flex:none}
#src-list li .nm{flex:1}
#src-list li .cnt{font-size:11px;color:var(--ink-3)}
#src-list li .tag{font-size:10px;color:#fff;background:var(--primary);border-radius:2px;padding:0 4px}
#src-list li.off{opacity:.34}
#src-list li.off .nm{text-decoration:line-through}

#art-list{list-style:none;margin:0;padding:0}
#art-list li{padding:7px 8px;font-size:15px;cursor:pointer;border-radius:4px}
#art-list li:hover{background:#f0ece2}
#art-list li.on{background:#ebe5d8;font-weight:600}

/* ---- 正文 ---- */
#main{padding:0}
#loading{padding:80px;color:var(--ink-3);text-align:center}
#reader{
  max-width:760px;margin:0 auto;padding:64px 40px 140px;
}
#reader h1{
  font-size:22px;font-weight:600;letter-spacing:.06em;
  margin:0 0 8px;padding-bottom:18px;border-bottom:1px solid var(--line);
}
#reader .sub{font-size:13px;color:var(--ink-3);margin-bottom:44px;letter-spacing:.08em}

.block{
  margin:0 0 26px;
  text-indent:2em;
  text-align:justify;
  font-size:18px;
  line-height:2.05;
}
.block.heading{
  text-indent:0;font-size:21px;font-weight:600;
  margin:44px 0 24px;letter-spacing:.05em;
}
.block-unit{margin-bottom:26px}
.block-unit.heading{margin-bottom:24px}
.block-unit > .block{margin-bottom:0}

/* 插入片段 */
.ins{
  margin:22px 0 22px 0;
  padding:16px 20px 14px;
  background:var(--insert-bg);
  border-left:3px solid var(--c, var(--accent));
  border-radius:0 4px 4px 0;
  font-size:16px;
  line-height:1.95;
  text-indent:2em;
  text-align:justify;
}
.ins .meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  text-indent:0;font-size:11.5px;letter-spacing:.1em;
  color:var(--ink-3);margin-bottom:10px;font-family:system-ui,sans-serif;
}
.ins .meta .book{color:var(--c, var(--accent));font-weight:600;letter-spacing:.06em}
.ins .meta .note{color:var(--ink-3);letter-spacing:0;font-family:inherit;font-size:13px}
.ins.hidden{display:none}

/* 主文被关闭时 */
.gap{
  margin:18px 0;padding:10px 16px;
  border:1px dashed var(--line);border-radius:4px;
  color:var(--ink-3);font-size:13px;font-family:system-ui,sans-serif;
}

@media (max-width:820px){
  #app{grid-template-columns:1fr}
  #side{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line)}
  #reader{padding:36px 20px 100px}
  .block{font-size:17px}
}


/* 繁简切换 */
#lang-switch{
  display:inline-flex;border:1px solid var(--line);border-radius:5px;
  overflow:hidden;margin-bottom:26px;background:#fff;
  font-family:system-ui,sans-serif;
}
#lang-switch button{
  border:0;background:transparent;padding:5px 14px;cursor:pointer;
  font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;
  transition:background .12s,color .12s;font-family:inherit;
}
#lang-switch button+button{border-left:1px solid var(--line)}
#lang-switch button:hover{background:#f4f0e7}
#lang-switch button.on{background:var(--ink);color:#faf8f3}

/* ==================== 全站通用 ==================== */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 32px;border-bottom:1px solid var(--line);
  background:#faf8f3;position:sticky;top:0;z-index:10;
}
.brand-link{font-size:13px;letter-spacing:.2em;color:var(--ink-3);text-decoration:none}
.brand-link:hover{color:var(--ink)}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a{font-size:13.5px;color:var(--ink-2);text-decoration:none;letter-spacing:.06em}
.topbar nav a:hover{color:var(--ink)}
.index-body .topbar nav a{white-space:nowrap}
.lang-mini{
  border:1px solid var(--line);background:#fff;border-radius:4px;
  padding:4px 11px;font-size:12px;color:var(--ink-2);cursor:pointer;
  font-family:system-ui,sans-serif;letter-spacing:.06em;
}
.lang-mini:hover{background:#f0ece2}

.dim{color:var(--ink-3)}
.back-link{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;
  color:var(--ink-3);text-decoration:none;margin-bottom:22px;
}
.back-link:hover{color:var(--ink)}

/* ==================== 首页 ==================== */
.home-main{
  max-width:760px;margin:0 auto;padding:72px 28px 120px;
}
.home-title{
  font-size:34px;font-weight:600;letter-spacing:.1em;
  margin:0 0 10px;text-align:center;
}
.home-sub{
  text-align:center;color:var(--ink-3);font-size:14px;
  letter-spacing:.1em;margin:0 0 48px;
}
.search-wrap{position:relative;margin-bottom:20px}
#search{
  width:100%;box-sizing:border-box;
  padding:15px 20px;font-size:16px;font-family:inherit;
  background:#fff;border:1px solid var(--line);border-radius:8px;
  color:var(--ink);outline:none;letter-spacing:.04em;
}
#search:focus{border-color:#bbb2a0;box-shadow:0 2px 12px rgba(0,0,0,.05)}
#search::placeholder{color:#b8b0a2}
.results{
  margin-top:10px;background:#fff;border:1px solid var(--line);
  border-radius:8px;overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.06);
}
.hit{
  display:grid;grid-template-columns:auto auto auto 1fr;gap:12px;
  align-items:baseline;padding:13px 18px;text-decoration:none;
  border-bottom:1px solid #f0ece2;
}
.hit:last-child{border-bottom:none}
.hit:hover{background:#faf8f3}
.hit .hn{font-size:17px;color:var(--ink);font-weight:600}
.hit .hd{font-size:12px;color:var(--ink-3);border:1px solid var(--line);border-radius:3px;padding:1px 6px}
.hit .hy{font-size:12.5px;color:var(--ink-3)}
.hit .hs{font-size:13px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.no-hit{padding:20px;text-align:center;color:var(--ink-3);font-size:14px}
.stats{text-align:center;font-size:12.5px;color:var(--ink-3);letter-spacing:.1em;margin-bottom:56px}
.dynasty-entry h2{
  font-size:12px;letter-spacing:.2em;color:var(--ink-3);
  font-weight:500;margin:0 0 16px;text-transform:uppercase;
}
.sec-title{
  font-size:12px;letter-spacing:.2em;color:var(--ink-3);
  font-weight:500;margin:0 0 16px;text-transform:uppercase;
}
.dynasty-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.dyn-card{
  display:flex;flex-direction:column;gap:5px;
  padding:14px 16px;background:#fff;border:1px solid var(--line);
  border-radius:7px;text-decoration:none;transition:all .14s;
}
.dyn-card:hover{border-color:#c3b9a6;background:#faf8f3;transform:translateY(-1px)}
.dyn-card .dn{font-size:16px;color:var(--ink);font-weight:600;letter-spacing:.06em}
.dyn-card .dy{font-size:11.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.dyn-card .dc{font-size:11px;color:#a89f90}

/* ==================== 索引页 ==================== */
.index-layout{display:grid;grid-template-columns:200px 1fr;max-width:1180px;margin:0 auto}
.index-nav{
  position:sticky;top:53px;height:calc(100vh - 53px);overflow-y:auto;
  padding:32px 18px 60px;border-right:1px solid var(--line);
}
.nav-item{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:6px 10px;border-radius:4px;text-decoration:none;
  font-size:14px;color:var(--ink-2);margin-bottom:1px;
}
.nav-item:hover{background:#f2eee4}
.nav-item.on{background:#ebe5d8;color:var(--ink);font-weight:600}
.nav-item em{font-style:normal;font-size:11px;color:#a89f90}
.index-main{padding:36px 48px 140px}
.index-credits{border-top:1px solid var(--line);padding-top:16px;color:var(--ink-2);font:13px/1.7 system-ui,sans-serif;scroll-margin-top:72px}
.index-credits summary{cursor:pointer;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px}
.index-credits p{margin:10px 0;overflow-wrap:anywhere}
.index-credits a{color:var(--accent)}
.index-credits a:focus-visible,.index-credits summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.dyn-section{margin-bottom:56px;scroll-margin-top:70px}
.dyn-head{
  display:flex;align-items:baseline;gap:14px;
  padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.dyn-head h2{font-size:22px;font-weight:600;margin:0;letter-spacing:.08em}
.dyn-years{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.dyn-count{font-size:11.5px;color:#a89f90;margin-left:auto}
.person-list{list-style:none;margin:0;padding:0}
.person-list li{
  display:grid;grid-template-columns:72px 96px auto auto 1fr;
  gap:12px;align-items:baseline;
  padding:9px 8px;border-bottom:1px solid #f4f0e7;
}
.person-list li:hover{background:#faf8f3}
.py{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;text-align:right}
.pn{font-size:16px;color:var(--ink);text-decoration:none;font-weight:600;letter-spacing:.04em}
.pn:hover{color:var(--accent)}
.pt{font-size:11px;color:#a89f90;white-space:nowrap}
.pa{font-size:11px;color:var(--primary);white-space:nowrap}
.pa.dim{color:#c0b8aa}
.ps{font-size:12.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media (max-width:900px){
  .index-body .topbar{padding:12px 16px}
  .index-body .brand-link{white-space:nowrap;letter-spacing:.08em}
  .index-body .topbar nav{gap:10px}
  .index-body .lang-mini{white-space:nowrap}
  .index-layout{grid-template-columns:1fr}
  .index-nav{
    position:sticky;top:53px;height:auto;display:flex;gap:4px;overflow-x:auto;
    border-right:none;border-bottom:1px solid var(--line);padding:10px 14px;
  }
  .nav-item{white-space:nowrap;padding:5px 10px}
  .nav-item em{display:none}
  .index-main{padding:24px 18px 100px}
  .person-list li{grid-template-columns:56px 1fr auto;gap:8px}
  .pt,.ps{display:none}
}

/* 编年辑录（主区） */
#main > #frag-box{
  max-width:760px;margin:0 auto;padding:0 40px 60px;
}
#frag-box:not([hidden]){border-top:1px solid var(--line);padding-top:26px;margin-top:8px}
#frag-box h2{font-size:15px;font-weight:600;letter-spacing:.1em;margin:0 0 6px;color:var(--ink)}
#frag-box h2 small{font-size:11.5px;font-weight:400;color:var(--ink-3);letter-spacing:.06em;margin-left:8px}
#frag-list{list-style:none;margin:0;padding:0}
#frag-list li{padding:14px 0;border-bottom:1px solid #f4f0e7}
#frag-list li:last-child{border-bottom:none}
.fy{font-size:12.5px;color:var(--primary);letter-spacing:.06em;margin-bottom:6px;font-variant-numeric:tabular-nums}
.ft{font-size:15.5px;line-height:1.9;color:var(--ink);text-indent:2em;text-align:justify}
.fs{font-size:11.5px;color:var(--ink-3);margin-top:6px;letter-spacing:.04em}

/* 朝代页人物行：年 / 名 / 时代标签 / 摘要 */
.dyn-main .person-list li{grid-template-columns:150px minmax(0,1fr)}
@media (max-width:900px){
  /* 手机上名字一行、说明一行，别把说明藏掉 */
  .dyn-main .person-list li{grid-template-columns:minmax(0,1fr);gap:2px}
  .dyn-main .person-list li .ps{display:block;white-space:normal}
}