:root{
  --paper:#f7f1e3;
  --paper-2:#efe6d2;
  --ink:#2b2a26;
  --ink-2:#5c5649;
  --vermilion:#a63a2b;
  --indigo:#2f4f6f;
  --gold:#a67c2e;
  --green:#4f6b4a;
  --line:#d8cbb2;
  --card:#fffdf7;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,241,227,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.header-inner{
  max-width:1080px;margin:0 auto;padding:10px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:40px;height:40px;border-radius:50%;
  background:var(--vermilion);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:2px;
}
.brand h1{font-size:22px;letter-spacing:4px;}
.brand p{font-size:12px;color:var(--ink-2);letter-spacing:1px;}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;}
.main-nav a{
  text-decoration:none;color:var(--ink);
  padding:6px 12px;border-radius:6px;font-size:14.5px;
  transition:background .2s,color .2s;
}
.main-nav a:hover{background:var(--paper-2);}
.main-nav a.active{background:var(--vermilion);color:#fff;}
main{max-width:1080px;margin:0 auto;padding:26px 20px 60px;}
.page{display:none;}
.page.active{display:block;animation:fade .35s ease;}
#page-culture-map{padding:0;}
.map-frame{
  width:100%;
  height:calc(100vh - 110px);
  min-height:760px;
  border:0;
  display:block;
  border-radius:10px;
}
.feed-update{color:var(--sub,#5B564B);font-size:13px;margin:2px 0 16px;}
.feed-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.feed-block-title{font-size:17px;color:var(--accent,#9A4232);border-bottom:2px solid var(--gold,#9C783C);padding-bottom:8px;margin-bottom:12px;}
.feed-list{list-style:none;padding:0;margin:0;}
.feed-item{background:#fff;border:1px solid var(--line,#D6CCB5);border-radius:10px;padding:12px 14px;margin-bottom:10px;}
.feed-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--sub,#5B564B);margin-bottom:6px;}
.feed-meta em{font-style:normal;margin-left:auto;}
.tag-demo{background:#eee;border:1px solid #ccc;color:#666;border-radius:999px;padding:0 8px;font-size:11px;}
.feed-title{font-size:15px;font-weight:600;line-height:1.5;}
.feed-author{font-weight:400;color:var(--sub,#5B564B);font-size:13px;}
.feed-snippet{font-size:13px;color:#4A423B;margin:6px 0 2px;line-height:1.6;}
.feed-src{font-size:12px;color:#8A8178;}
.feed-src a{color:var(--accent,#9A4232);}
.feed-empty{color:#8A8178;font-size:13px;padding:10px 2px;}
.feed-note{font-size:12px;color:#8A8178;margin-top:14px;}
@media (max-width:900px){.feed-cols{grid-template-columns:1fr;}}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

.hero{
  text-align:center;padding:44px 20px 30px;
  border-bottom:2px solid var(--line);
}
.hero-night{
  background:linear-gradient(160deg,#1d2a3a,#3b4f6b);
  border-radius:14px;overflow:hidden;margin-bottom:18px;
  box-shadow:0 6px 20px rgba(0,0,0,.18);
}
.hero-art{width:100%;height:auto;display:block;}
.hero-copy{text-align:center;padding:16px 22px 30px;color:#f8eccb;}
.hero-copy h2{font-size:34px;letter-spacing:8px;color:#f8eccb;}
.hero-copy .slogan{color:#c9d4e4;margin:8px 0 16px;font-size:16px;}
.manifesto p{max-width:760px;margin:8px auto;color:#e7dcc0;font-size:15.5px;}
.why-strip{
  display:flex;flex-direction:column;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:8px;
  padding:14px 20px;margin:18px 0 6px;
}
.why-strip span{font-size:14px;color:var(--ink-2);}
.why-strip span::before{content:"· ";color:var(--vermilion);}
.hero h2{font-size:34px;letter-spacing:6px;margin-bottom:10px;}
.hero .slogan{font-size:17px;color:var(--ink-2);margin-bottom:22px;}
.position-list{max-width:760px;margin:0 auto;text-align:left;}
.position-list li{
  list-style:none;margin:10px 0;padding:12px 16px 12px 14px;
  background:var(--card);border-left:4px solid var(--vermilion);
  border-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.position-list li strong{color:var(--vermilion);margin-right:6px;}
.core-intro{max-width:820px;margin:26px auto 8px;color:var(--ink-2);}

.section-title{font-size:24px;letter-spacing:3px;margin:34px 0 16px;position:relative;padding-left:14px;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--vermilion);
}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:8px;
  padding:16px 18px;box-shadow:0 2px 6px rgba(0,0,0,.04);
}
.card h3{font-size:17px;margin-bottom:8px;color:var(--vermilion);}
.card p{font-size:14.5px;color:var(--ink-2);}
.card .num{
  display:inline-block;width:24px;height:24px;line-height:24px;text-align:center;
  background:var(--paper-2);border-radius:50%;color:var(--ink);font-size:13px;margin-right:6px;
}

.tabs{display:flex;gap:8px;margin:14px 0 18px;flex-wrap:wrap;}
.tab-btn{
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  padding:8px 20px;border-radius:20px;cursor:pointer;font-family:inherit;font-size:15px;
}
.tab-btn.active{background:var(--vermilion);color:#fff;border-color:var(--vermilion);}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px 22px;margin-bottom:18px;}
.panel h4{font-size:17px;color:var(--indigo);margin-bottom:10px;letter-spacing:1px;}
.tagline{font-size:15px;color:var(--vermilion);margin-bottom:6px;}
.memory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:8px;}
.memory-item{border-left:3px solid var(--indigo);padding:8px 12px;background:var(--paper);border-radius:4px;}
.memory-item b{color:var(--indigo);}
.source-list .src-item{margin:10px 0;padding:10px 12px;background:var(--paper);border-radius:6px;}
.src-item .src-title{font-weight:600;}
.src-item .src-note{font-size:13.5px;color:var(--ink-2);}
.src-item .src-ref{font-size:12.5px;color:var(--gold);}

.text-filter{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px;}
.chip{
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  padding:4px 14px;border-radius:14px;cursor:pointer;font-size:13.5px;font-family:inherit;
}
.chip.active{background:var(--indigo);color:#fff;border-color:var(--indigo);}
.txt-item{border-bottom:1px dashed var(--line);padding:12px 0;}
.txt-item .tt{font-weight:600;}
.txt-item .tc{font-size:15.5px;color:var(--ink);}
.txt-item .tn{font-size:13px;color:var(--ink-2);}
.tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;}
.tip{border:1px solid var(--line);border-radius:6px;padding:12px 14px;background:var(--paper);}
.tip.danger{border-left:4px solid var(--vermilion);}
.tip b{display:block;margin-bottom:4px;color:var(--ink);}
.tip p{font-size:14px;color:var(--ink-2);}

.map-wrap{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:14px;}
svg.constellation{width:100%;height:auto;display:block;}
.node circle{stroke:#fff;stroke-width:2;cursor:pointer;transition:r .15s;}
.node text{font-size:12.5px;fill:var(--ink);pointer-events:none;}
.node.core circle{fill:var(--vermilion);}
.node.moon circle{fill:var(--indigo);}
.node.lion circle{fill:var(--gold);}
.node.feeling circle{fill:var(--green);}
.node.struct circle{fill:#8a8174;}
.node text.label{font-weight:600;}
.edge{stroke:#b7a98c;stroke-width:1.2;}
.edge.hl{stroke:var(--vermilion);stroke-width:2.2;}
.edge-label{font-size:10px;fill:#8a8174;}
.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--ink-2);}
.legend span i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;}
#tooltip{background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px;font-size:13px;max-width:280px;position:fixed;pointer-events:none;z-index:60;}
#tooltip.hidden{display:none;}
.map-note{font-size:13.5px;color:var(--ink-2);margin-top:8px;}
.edge-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px;margin-top:12px;}
.edge-item{background:var(--paper);border-radius:6px;padding:10px 12px;font-size:13.5px;}
.edge-item b{color:var(--vermilion);}

.filters{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0;}
.filter-group label{font-size:13.5px;color:var(--ink-2);display:block;margin-bottom:6px;}
.search-box input{
  width:100%;max-width:420px;padding:9px 14px;border:1px solid var(--line);border-radius:6px;
  font-family:inherit;font-size:15px;background:var(--card);
}
.result-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin-bottom:12px;}
.result-card .rc-tags{margin-bottom:6px;}
.result-card .rc-tags span{
  display:inline-block;font-size:12px;padding:2px 10px;border-radius:10px;margin-right:6px;
  background:var(--paper-2);color:var(--ink-2);
}
.result-card h4{color:var(--vermilion);margin-bottom:6px;}
.result-card p{font-size:14.5px;color:var(--ink-2);}
.result-card .hint{font-size:13px;color:var(--indigo);margin-top:6px;}
.no-result{color:var(--ink-2);padding:20px 0;}

.combo-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px 22px;margin-bottom:16px;}
.combo-card h3{color:var(--vermilion);margin-bottom:8px;}
.combo-card .why{margin:8px 0;}
.combo-card .why b{color:var(--indigo);}
.combo-card blockquote{
  border-left:4px solid var(--gold);background:var(--paper);padding:12px 16px;margin:10px 0;
  font-size:15.5px;color:var(--ink);
}
.combo-card .demo-note{font-size:12.5px;color:var(--ink-2);}

.check-group{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-bottom:14px;}
.check-group h3{color:var(--indigo);margin-bottom:10px;}
.check-item{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:15px;}
.check-item input{margin-top:5px;accent-color:var(--vermilion);}
.check-item.done{color:var(--ink-2);text-decoration:line-through;}
.progress-wrap{position:sticky;top:64px;background:var(--paper);padding:8px 0;z-index:30;}
.progress-bar{height:8px;background:var(--line);border-radius:4px;overflow:hidden;margin-top:6px;}
.progress-fill{height:100%;width:0;background:var(--vermilion);transition:width .3s;}
.progress-text{font-size:13px;color:var(--ink-2);}
.btn-reset{
  margin-top:8px;padding:6px 18px;border:1px solid var(--vermilion);color:var(--vermilion);
  background:transparent;border-radius:6px;cursor:pointer;font-family:inherit;
}
.btn-reset:hover{background:var(--vermilion);color:#fff;}

.ext-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 20px;}
.ext-card .stage{display:inline-block;font-size:12px;padding:2px 10px;border-radius:10px;background:var(--paper-2);color:var(--gold);margin-bottom:8px;}
.ext-card h3{color:var(--indigo);margin-bottom:6px;}
.ext-card p{font-size:14.5px;color:var(--ink-2);}

.site-footer{
  border-top:1px solid var(--line);padding:22px 20px;text-align:center;
  color:var(--ink-2);font-size:13.5px;background:var(--paper-2);
}
.site-footer .footer-note{color:var(--gold);margin-top:4px;}

@media (max-width:720px){
  .hero h2{font-size:26px;}
  .header-inner{justify-content:center;}
  .main-nav{justify-content:center;}
}