/* ============================================================
   毛选 · 时空图  样式
   沿用主页的纸/墨/朱砂体系，密度略高以适应数据型界面
   ============================================================ */
:root{
  color-scheme:only light;
  --paper:#f7f5f0; --paper2:#f1ede4; --card:#fbf9f4;
  --ink:#1c1b19; --ink2:#4a4741; --ink3:#8a857c; --ink4:#b9b3a7;
  --line:#e2ddd2; --line2:#d3ccbd; --seal:#a6392e;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC","STSong","SimSun",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;background:var(--paper);color-scheme:only light}
body{
  margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.8;letter-spacing:.02em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url("../assets/img/paper.jpg") repeat;background-size:512px 512px;
  mix-blend-mode:multiply;opacity:.5;
}
main,header{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

/* ---------- 顶栏 ---------- */
.top{
  position:sticky;top:0;z-index:40;background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.top .in{max-width:1400px;margin:0 auto;padding:0 26px;display:flex;
  align-items:center;justify-content:space-between;height:56px;gap:16px}
.top .brand{font-family:var(--serif);font-size:16px;letter-spacing:.18em;white-space:nowrap}
.top .back{font-size:13px;color:var(--ink3);letter-spacing:.1em;white-space:nowrap}
.top .back:hover{color:var(--ink)}

/* ---------- 模式切换 ---------- */
.modes{display:flex;gap:4px;background:var(--paper2);border:1px solid var(--line);
  border-radius:8px;padding:3px}
.modes button{
  border:0;background:transparent;color:var(--ink2);font-size:13.5px;
  letter-spacing:.1em;padding:7px 16px;border-radius:6px;transition:all .3s var(--ease)
}
.modes button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(60,50,35,.10)}

/* ---------- 布局 ---------- */
.wrap{max-width:1400px;margin:0 auto;padding:22px 26px 70px}
.panel{display:none}
.panel.on{display:block;animation:fade .35s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 时空图 ---------- */
.two{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.85fr);gap:22px;align-items:start}
.box{background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 1px 4px rgba(60,50,35,.05)}
.box .hd{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;gap:12px}
.box .hd h2{font-family:var(--serif);font-size:15px;font-weight:400;
  letter-spacing:.2em;margin:0;color:var(--ink2)}
.box .bd{padding:16px 18px}
.hint{font-size:12px;color:var(--ink4);letter-spacing:.06em}

#mapWrap{position:relative;padding:8px 10px 4px}
#mapSvg{width:100%;height:auto;display:block;overflow:visible}
#mapSvg .land{fill:#efeade;stroke:#c9c0ae;stroke-width:1.1;
  stroke-linejoin:round;transition:fill .5s var(--ease)}
#mapSvg .dot{cursor:pointer;transition:r .25s var(--ease),fill .25s var(--ease)}
#mapSvg .dot circle{fill:var(--ink3);stroke:var(--card);stroke-width:1.4;transition:all .25s var(--ease)}
#mapSvg .dot text{font-size:11px;fill:var(--ink3);font-family:var(--sans);
  pointer-events:none;opacity:0;transition:opacity .3s var(--ease)}
#mapSvg .dot:hover text,#mapSvg .dot.on text{opacity:1}
#mapSvg .dot:hover circle{fill:var(--ink);r:8}
#mapSvg .dot.on circle{fill:var(--seal);r:9}
#mapSvg .dot.on text{fill:var(--seal);font-weight:600}
#mapSvg .dot.zero circle{fill:#ded7c8}

/* ---------- 时间轴 ---------- */
#timeWrap{padding:6px 18px 16px;position:relative}
#timeAxis{position:relative;height:86px;margin-top:4px}
#timeAxis .rail{position:absolute;left:0;right:0;top:38px;height:1px;background:var(--line2)}
#timeAxis .tick{position:absolute;top:34px;width:1px;height:9px;background:var(--line2)}
#timeAxis .ylab{position:absolute;top:52px;font-size:11px;color:var(--ink4);
  transform:translateX(-50%);font-variant-numeric:tabular-nums}
#timeAxis .wk{position:absolute;width:7px;height:7px;border-radius:50%;
  background:var(--ink4);top:35px;transform:translateX(-50%);cursor:pointer;
  transition:all .22s var(--ease)}
#timeAxis .wk:hover{background:var(--ink);transform:translateX(-50%) scale(1.7)}
#timeAxis .wk.on{background:var(--seal);transform:translateX(-50%) scale(2)}
#timeAxis .brush{position:absolute;top:6px;bottom:16px;background:rgba(166,57,46,.07);
  border-left:1px solid rgba(166,57,46,.3);border-right:1px solid rgba(166,57,46,.3);
  pointer-events:none;display:none}
#timeAxis .brush.on{display:block}
#timeAxis .vol{position:absolute;top:66px;font-size:10.5px;color:var(--ink4);
  border-left:1px solid var(--line2);padding-left:5px;letter-spacing:.04em}

/* ---------- 作品列表 ---------- */
.list{max-height:520px;overflow:auto;padding:6px 0}
.item{
  display:block;width:100%;text-align:left;border:0;background:transparent;
  padding:11px 18px;border-bottom:1px solid var(--line);color:inherit;
  transition:background .25s var(--ease)
}
.item:hover{background:rgba(255,255,255,.7)}
.item.on{background:#fbeeea;box-shadow:inset 3px 0 0 var(--seal)}
.item .t{font-family:var(--serif);font-size:14.5px;letter-spacing:.03em;line-height:1.5}
.item .m{font-size:11.5px;color:var(--ink4);margin-top:3px;letter-spacing:.06em}
.item .m b{color:var(--seal);font-weight:400}

/* ---------- 详情 ---------- */
.detail img{width:100%;border-radius:8px;border:1px solid var(--line);display:block;
  background:var(--paper2);cursor:zoom-in}
.detail h3{font-family:var(--serif);font-size:19px;font-weight:400;
  margin:14px 0 4px;letter-spacing:.05em;line-height:1.5}
.detail .meta{font-size:12px;color:var(--ink4);letter-spacing:.08em;margin-bottom:12px}
.detail .quote{
  font-family:var(--serif);font-size:14.5px;line-height:2;color:var(--ink);
  background:#f6f2e7;border-left:3px solid var(--line2);border-radius:0 8px 8px 0;
  padding:12px 15px;margin:12px 0
}
.detail .quote .lb{display:block;font-family:var(--sans);font-size:11px;
  color:var(--ink4);letter-spacing:.24em;margin-bottom:6px}
.detail .th{font-size:12.5px;color:var(--seal);letter-spacing:.14em;margin:16px 0 6px}
.detail .ins{font-size:14px;color:var(--ink2);line-height:1.95;margin:0 0 10px}
.detail .do{font-size:13.5px;color:var(--ink);background:#f2ece0;border-radius:8px;
  padding:10px 13px;line-height:1.8}
.detail .do b{color:var(--seal);font-weight:400;letter-spacing:.1em;margin-right:6px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{font-size:11.5px;color:var(--ink3);border:1px solid var(--line);
  border-radius:20px;padding:2px 10px;background:var(--paper2)}

/* ---------- 随机卡片 ---------- */
.cardwrap{display:flex;flex-direction:column;align-items:center;gap:20px;padding:10px 0 30px}
.bigcard{
  width:min(760px,100%);background:var(--card);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:0 10px 34px rgba(60,50,35,.09);
}
.bigcard img{width:100%;display:block}
.bigcard .txt{padding:24px 28px 28px}
.bigcard .q{font-family:var(--serif);font-size:clamp(16px,2.5vw,20px);line-height:2.05;
  color:var(--ink);margin:0 0 6px}
.bigcard .from{font-size:12.5px;color:var(--ink4);letter-spacing:.08em;text-align:right}
.bigcard hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.bigcard .th{font-size:12.5px;color:var(--seal);letter-spacing:.18em;margin-bottom:8px}
.bigcard .ins{font-size:14.5px;color:var(--ink2);line-height:2;margin:0 0 14px}
.bigcard .do{font-size:13.5px;background:#f4efe3;border-radius:9px;padding:12px 15px;line-height:1.8}
.bigcard .do b{color:var(--seal);font-weight:400;letter-spacing:.1em;margin-right:6px}
.btn{border:1px solid var(--line2);background:var(--card);color:var(--ink);
  border-radius:9px;padding:11px 26px;font-size:14px;letter-spacing:.14em;
  transition:all .3s var(--ease)}
.btn:hover{background:#fff;border-color:var(--ink3)}
.btn.primary{background:var(--ink);color:#f7f3ea;border-color:var(--ink)}
.btn.primary:hover{background:#3a342d}

/* ---------- 搜索 ---------- */
.searchbar{display:flex;gap:10px;margin-bottom:8px}
.searchbar input{
  flex:1;font-family:inherit;font-size:15px;padding:13px 16px;border-radius:10px;
  border:1px solid var(--line2);background:var(--card);color:var(--ink);letter-spacing:.03em
}
.searchbar input:focus{outline:none;border-color:var(--seal)}
.sug{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 20px}
.sug button{font-size:12.5px;color:var(--ink3);border:1px solid var(--line);
  background:var(--paper2);border-radius:20px;padding:4px 13px;transition:all .25s var(--ease)}
.sug button:hover{color:var(--ink);border-color:var(--ink3)}
.res{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.rcard{background:var(--card);border:1px solid var(--line);border-radius:11px;
  padding:15px 17px;cursor:pointer;transition:all .3s var(--ease);text-align:left;
  display:block;width:100%;border-width:1px}
.rcard:hover{border-color:var(--ink3);transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(60,50,35,.08)}
.rcard .t{font-family:var(--serif);font-size:15px;letter-spacing:.03em;margin-bottom:5px;line-height:1.5}
.rcard .m{font-size:11.5px;color:var(--ink4);letter-spacing:.06em;margin-bottom:8px}
.rcard .s{font-size:13px;color:var(--ink2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard mark{background:rgba(166,57,46,.14);color:inherit;border-radius:2px;padding:0 1px}
.empty{text-align:center;color:var(--ink4);font-size:14px;padding:46px 0}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;background:rgba(30,25,18,.74);z-index:60;display:flex;
  align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal img{max-width:min(880px,94vw);max-height:90vh;border-radius:10px;
  box-shadow:0 20px 50px rgba(0,0,0,.5)}

/* ---------- 全文阅读器 ---------- */
.reader{
  position:fixed;inset:0;z-index:70;background:var(--paper);display:flex;flex-direction:column;
  animation:rfade .28s var(--ease);
}
.reader[hidden]{display:none}
@keyframes rfade{from{opacity:0}to{opacity:1}}
.reader::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("../assets/img/paper.jpg") repeat;background-size:512px 512px;
  mix-blend-mode:multiply;opacity:.5;
}
.reader-bar{
  position:relative;z-index:1;flex:0 0 auto;display:flex;align-items:center;gap:14px;
  padding:0 max(18px,env(safe-area-inset-left)) 0 max(18px,env(safe-area-inset-right));
  padding-top:env(safe-area-inset-top);
  height:calc(54px + env(safe-area-inset-top));
  background:rgba(247,245,240,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.reader-bar .rtitle{
  flex:1;font-family:var(--serif);font-size:15px;letter-spacing:.08em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink2)
}
.rbtn{
  border:1px solid var(--line2);background:var(--card);color:var(--ink2);
  border-radius:8px;padding:7px 14px;font-size:13px;letter-spacing:.08em;
  white-space:nowrap;transition:all .25s var(--ease)
}
.rbtn:hover{color:var(--ink);border-color:var(--ink3)}
.reader-body{
  position:relative;z-index:1;flex:1;overflow:auto;-webkit-overflow-scrolling:touch;
  padding:34px max(20px,env(safe-area-inset-left)) calc(80px + env(safe-area-inset-bottom))
          max(20px,env(safe-area-inset-right));
  max-width:760px;margin:0 auto;width:100%;
}
.reader-body h1{
  font-family:var(--serif);font-size:clamp(21px,3.4vw,28px);font-weight:400;
  letter-spacing:.06em;line-height:1.55;margin:0 0 10px
}
.reader-body .rmeta{font-size:12.5px;color:var(--ink4);letter-spacing:.08em;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:22px}
.reader-body .rintro{
  font-size:13.5px;color:var(--ink3);line-height:1.95;background:#f2ede1;
  border-radius:9px;padding:12px 15px;margin-bottom:26px
}
.reader-body h2{
  font-family:var(--serif);font-size:17px;font-weight:400;letter-spacing:.1em;
  color:var(--seal);margin:34px 0 14px
}
.reader-body p{
  font-family:var(--serif);font-size:16.5px;line-height:2.15;color:var(--ink);
  margin:0 0 17px;text-indent:2em;letter-spacing:.01em
}
.reader-body .rnotes{margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.reader-body .rnotes h3{font-family:var(--serif);font-size:14px;font-weight:400;
  color:var(--ink3);letter-spacing:.24em;margin:0 0 14px}
.reader-body .rnotes p{
  font-family:var(--sans);font-size:13px;line-height:1.9;color:var(--ink3);
  text-indent:0;margin:0 0 11px
}
.reader-body .rload{text-align:center;color:var(--ink4);font-size:14px;padding:60px 0}
@media(max-width:900px){
  .reader-body{padding-top:24px}
  .reader-body p{font-size:16px;line-height:2.05}
  .reader-bar{gap:8px}
  .rbtn{padding:7px 10px;font-size:12.5px}
}

/* 详情面板里让标题可点 */
.detail h3{display:block;width:100%;text-align:left;border:0;background:transparent;
  padding:0;cursor:pointer;color:inherit}
.detail h3:hover{color:var(--seal)}
.detail .readrow{display:flex;gap:9px;align-items:center;margin-top:14px}
.detail .readrow .btn{padding:9px 18px;font-size:13px;letter-spacing:.12em}

/* ---------- 手机 ---------- */
@media(max-width:900px){
  .wrap{padding:16px 16px 60px}
  /* 顶栏：手机上「返回首页」多余（品牌名本身就是回首页），让位给模式标签 */
  .top .in{padding:0 14px;height:54px;gap:10px}
  .top .brand{font-size:14px;letter-spacing:.08em}
  .top .back{display:none}
  .modes{flex:1;justify-content:flex-end;background:transparent;border:0;padding:0;gap:2px}
  .modes button{
    padding:8px 10px;font-size:12.5px;letter-spacing:.04em;white-space:nowrap;
    border:1px solid transparent
  }
  .modes button.on{border-color:var(--line)}
  .two{grid-template-columns:1fr;gap:16px}
  .box .bd{max-height:none}
  .list{max-height:360px}
  #mapWrap{padding:4px 4px 0}
  #timeAxis{height:78px}
  #timeAxis .ylab{font-size:10.5px}
  .bigcard .txt{padding:18px 18px 22px}
  .res{grid-template-columns:1fr}
}
@media(max-width:420px){
  .top .brand{font-size:13px;letter-spacing:.04em}
  .modes button{padding:8px 8px;font-size:12px}
}
@media(max-width:360px){
  .top .brand{display:none}
  .modes{justify-content:center}
}