/* 群贤 · qx.bdfz.net —— 思想广场 · 星空水墨 */
:root{
  --bg:#080a16; --bg2:#0c1024; --ink:#eef1fb; --ink-soft:#aeb6d6; --ink-faint:#6b729a;
  --line:#20264a; --line-soft:#161a34; --card:#111634; --card2:#0e1330;
  --gold:#e8c579; --gold-soft:#c9a24a; --cinnabar:#e3654f; --jade:#5fc7a6;
  --glow:rgba(232,197,121,.5);
  /* 领域配色 */
  --d-思想:#8b7fe8; --d-哲学:#8b7fe8; --d-史家:#c98a4b; --d-诗:#5aa9e6; --d-诗文:#5aa9e6;
  --d-词:#d67ab0; --d-文章:#e8c579; --d-科学:#5fc7a6; --d-曲:#e0894f; --d-小说:#e3654f;
  --d-文学:#c98cf0; --d-散文:#7fd0c4; --d-学者:#6fb96f; --d-童话:#f0b45a; --d-戏剧:#e07a9a;
  --serif:"Noto Serif SC","Songti SC","STSong",Georgia,serif;
  --kai:"Kaiti SC","STKaiti","楷体",var(--serif);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-family:var(--sans);
  -webkit-font-smoothing:antialiased; overflow-x:hidden; line-height:1.7;
}
a{color:inherit;text-decoration:none}
.starfield{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.9}

/* —————————————————————————— 顶栏 */
header.top{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;
  padding:14px 26px;background:linear-gradient(180deg,rgba(8,10,22,.96),rgba(8,10,22,.72) 70%,transparent);
  backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:baseline;gap:12px;cursor:pointer;user-select:none}
.brand .logo{font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:.18em;
  background:linear-gradient(120deg,var(--gold),#fff 55%,var(--gold-soft));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .sub{font-size:12.5px;color:var(--ink-faint);letter-spacing:.12em}
.nav{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.nav button{
  font-family:var(--sans);font-size:13.5px;color:var(--ink-soft);background:transparent;
  border:1px solid transparent;border-radius:999px;padding:7px 15px;cursor:pointer;transition:.2s;letter-spacing:.05em}
.nav button:hover{color:var(--ink);background:var(--card2)}
.nav button.on{color:var(--bg);background:linear-gradient(120deg,var(--gold),var(--gold-soft));font-weight:600}

/* —————————————————————————— 主容器 */
main{position:relative;z-index:1;min-height:100vh}
.view{display:none;animation:fade .5s ease}
.view.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* 首屏引子 */
.hero{max-width:1180px;margin:0 auto;padding:38px 26px 8px;text-align:center}
.hero h1{font-family:var(--serif);font-size:clamp(30px,5vw,52px);margin:.1em 0 .18em;letter-spacing:.06em;font-weight:700}
.hero .epi{font-family:var(--kai);font-size:clamp(15px,2.4vw,20px);color:var(--gold);letter-spacing:.05em}
.hero .lead{max-width:720px;margin:16px auto 0;color:var(--ink-soft);font-size:15px}
.hero .cite{color:var(--ink-faint);font-size:12.5px;margin-top:6px}

/* 工具条：搜索 + 领域筛选 */
.toolbar{max-width:1180px;margin:22px auto 6px;padding:0 26px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center}
.search{position:relative;flex:0 1 340px}
.search input{width:100%;padding:11px 16px 11px 40px;border-radius:999px;border:1px solid var(--line);
  background:var(--card2);color:var(--ink);font-size:14px;font-family:var(--sans)}
.search input:focus{outline:none;border-color:var(--gold-soft)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);opacity:.5}
.domains{display:flex;gap:7px;flex-wrap:wrap;justify-content:center}
.domains .chip{font-size:12.5px;color:var(--ink-soft);background:var(--card2);border:1px solid var(--line-soft);
  border-radius:999px;padding:5px 12px;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;gap:6px}
.domains .chip .dot{width:8px;height:8px;border-radius:50%}
.domains .chip:hover{color:var(--ink)}
.domains .chip.on{background:var(--card);border-color:var(--gold-soft);color:var(--ink)}

/* —————————————————————————— 时间长河（星空） */
.river-wrap{overflow-x:auto;overflow-y:hidden;padding:14px 0 40px;scrollbar-width:thin}
.river{position:relative;height:620px;min-width:2600px;padding:0 40px}
.era-band{position:absolute;top:0;bottom:44px;display:flex;flex-direction:column;align-items:center;
  border-left:1px dashed var(--line-soft)}
.era-band .era-label{position:absolute;bottom:-30px;font-family:var(--kai);font-size:15px;color:var(--gold-soft);
  letter-spacing:.14em;white-space:nowrap;left:50%;transform:translateX(-50%)}
.era-band .era-sub{position:absolute;bottom:-46px;font-size:11px;color:var(--ink-faint);left:50%;transform:translateX(-50%);white-space:nowrap}
.timeline-axis{position:absolute;left:0;right:0;bottom:44px;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

.star{position:absolute;transform:translate(-50%,-50%);cursor:pointer;display:flex;flex-direction:column;
  align-items:center;gap:5px;transition:.2s;z-index:2}
.star:hover{z-index:20}
.star .orb{width:var(--sz,20px);height:var(--sz,20px);border-radius:50%;position:relative;
  background:radial-gradient(circle at 35% 32%, #fff, var(--c) 62%, color-mix(in srgb,var(--c),#000 40%));
  box-shadow:0 0 12px 1px color-mix(in srgb,var(--c),transparent 45%), 0 0 30px 4px color-mix(in srgb,var(--c),transparent 78%);
  transition:.2s}
.star:hover .orb{transform:scale(1.28);box-shadow:0 0 18px 3px var(--c),0 0 44px 10px color-mix(in srgb,var(--c),transparent 60%)}
.star .nm{font-family:var(--serif);font-size:13px;color:var(--ink-soft);white-space:nowrap;
  text-shadow:0 1px 6px #000;transition:.2s;opacity:.86}
.star:hover .nm{color:#fff;opacity:1}
.star.tier1 .nm{font-size:14.5px;color:var(--ink)}
.star.dim{opacity:.16;filter:grayscale(.6)}
.star.dim:hover{opacity:.5}
.relation-canvas{position:absolute;inset:0;pointer-events:none;z-index:1}

/* —————————————————————————— 画廊（备用网格视图） */
.gallery{max-width:1180px;margin:8px auto 60px;padding:0 26px;display:grid;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px}
.gcard{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line-soft);
  border-radius:14px;padding:16px 14px;text-align:center;cursor:pointer;transition:.2s;position:relative;overflow:hidden}
.gcard:hover{transform:translateY(-3px);border-color:var(--gold-soft);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.gcard .av{width:78px;height:78px;border-radius:50%;margin:0 auto 10px;object-fit:cover;object-position:top center;
  border:2px solid var(--line);background:var(--bg2)}
.gcard .mono{width:78px;height:78px;border-radius:50%;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:30px;color:var(--bg);border:2px solid rgba(255,255,255,.15)}
.gcard .gn{font-family:var(--serif);font-size:17px;font-weight:600}
.gcard .ge{font-size:11.5px;color:var(--ink-faint);margin-top:3px}
.gcard .gd{position:absolute;top:10px;right:10px;width:8px;height:8px;border-radius:50%}

/* —————————————————————————— 列传（人物详情） */
.scrim{position:fixed;inset:0;background:rgba(4,5,12,.72);backdrop-filter:blur(4px);z-index:50;
  display:none;opacity:0;transition:opacity .3s}
.scrim.on{display:block;opacity:1}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(680px,94vw);z-index:60;
  background:linear-gradient(180deg,var(--bg2),var(--bg));border-left:1px solid var(--line);
  box-shadow:-20px 0 60px rgba(0,0,0,.5);transform:translateX(102%);transition:transform .38s cubic-bezier(.2,.8,.2,1);
  overflow-y:auto;overflow-x:hidden}
.drawer.on{transform:none}
.drawer .close{position:sticky;top:0;float:right;margin:14px;z-index:5;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:var(--card);color:var(--ink-soft);font-size:20px;cursor:pointer;transition:.2s}
.drawer .close:hover{color:#fff;background:var(--cinnabar);border-color:var(--cinnabar)}
.dossier{padding:0 34px 60px}
.dossier .head{display:flex;gap:20px;align-items:flex-end;padding-top:20px}
.dossier .portrait{width:120px;height:120px;border-radius:16px;object-fit:cover;object-position:top center;
  border:1px solid var(--line);background:var(--bg2);flex:0 0 auto;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.dossier .pmono{width:120px;height:120px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:52px;color:var(--bg);flex:0 0 auto}
.dossier .htext .nm{font-family:var(--serif);font-size:34px;font-weight:700;line-height:1.1}
.dossier .htext .alt{color:var(--ink-soft);font-size:13.5px;margin-top:4px}
.dossier .htext .era{color:var(--gold);font-size:13px;margin-top:6px;letter-spacing:.05em;font-family:var(--kai)}
.dossier .badge{display:inline-block;margin-top:8px;font-size:11.5px;padding:3px 10px;border-radius:999px;
  border:1px solid;background:transparent;letter-spacing:.08em}
.epigraph{font-family:var(--kai);font-size:19px;color:var(--gold);margin:24px 0 4px;line-height:1.6;
  padding-left:16px;border-left:3px solid var(--gold-soft)}
.epigraph .src{display:block;font-size:12px;color:var(--ink-faint);margin-top:6px;font-family:var(--sans);letter-spacing:.03em}
.sect{margin-top:28px}
.sect h3{font-family:var(--serif);font-size:15px;color:var(--gold-soft);letter-spacing:.1em;margin:0 0 12px;
  display:flex;align-items:center;gap:9px}
.sect h3::before{content:"";width:5px;height:16px;background:var(--gold-soft);border-radius:2px;display:inline-block}
.bio{font-family:var(--serif);font-size:15.5px;color:var(--ink);line-height:1.95;text-align:justify}
.bio b{color:var(--gold);font-weight:600}

.timeline{position:relative;margin-left:6px;padding-left:22px;border-left:1px solid var(--line)}
.timeline .tl{position:relative;padding:0 0 16px}
.timeline .tl::before{content:"";position:absolute;left:-27px;top:6px;width:9px;height:9px;border-radius:50%;
  background:var(--gold-soft);box-shadow:0 0 0 3px var(--bg2)}
.timeline .yr{font-family:var(--kai);color:var(--gold);font-size:13.5px;letter-spacing:.03em}
.timeline .ev{color:var(--ink-soft);font-size:14px;margin-top:2px}

.works{display:flex;flex-direction:column;gap:8px}
.work{display:flex;align-items:center;gap:10px;padding:9px 13px;border-radius:10px;background:var(--card2);
  border:1px solid var(--line-soft);transition:.18s;text-decoration:none}
.work:hover{border-color:var(--gold-soft);background:var(--card)}
.work .wt{font-family:var(--serif);font-size:14.5px;color:var(--ink);flex:1}
.work .ws{font-size:11.5px;color:var(--jade);border:1px solid color-mix(in srgb,var(--jade),transparent 60%);
  border-radius:6px;padding:2px 8px;white-space:nowrap}
.work .go{font-size:11px;color:var(--ink-faint)}
.work.linked:hover .go{color:var(--gold)}

.rels{display:flex;flex-wrap:wrap;gap:8px}
.rel{display:inline-flex;flex-direction:column;gap:2px;padding:8px 13px;border-radius:10px;background:var(--card2);
  border:1px solid var(--line-soft);cursor:pointer;transition:.18s;max-width:100%}
.rel:hover{border-color:var(--gold-soft);transform:translateY(-1px)}
.rel .rn{font-family:var(--serif);font-size:14px;color:var(--gold)}
.rel .rk{font-size:12px;color:var(--ink-soft)}

.dossier .actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{font-family:var(--sans);font-size:14px;padding:12px 22px;border-radius:999px;cursor:pointer;border:1px solid var(--line);
  background:var(--card);color:var(--ink);transition:.2s;display:inline-flex;align-items:center;gap:8px;letter-spacing:.03em}
.btn:hover{border-color:var(--gold-soft);color:#fff}
.btn.primary{background:linear-gradient(120deg,var(--gold),var(--gold-soft));color:var(--bg);border:none;font-weight:600}
.btn.primary:hover{filter:brightness(1.08)}

/* —————————————————————————— 对话 / 会讲 / 问道 */
.chatpane{max-width:900px;margin:0 auto;padding:20px 26px 40px}
.chat-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.chat-head .av{width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:top center;border:1px solid var(--line)}
.chat-head .mono{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:24px;color:var(--bg)}
.chat-head .ct{font-family:var(--serif);font-size:22px}
.chat-head .cs{font-size:12.5px;color:var(--ink-faint)}
.chat-log{display:flex;flex-direction:column;gap:14px;margin:18px 0;min-height:120px}
.msg{max-width:82%;padding:12px 16px;border-radius:16px;font-size:14.5px;line-height:1.8;white-space:pre-wrap}
.msg.u{align-self:flex-end;background:linear-gradient(120deg,#2a2f5c,#20264a);border:1px solid var(--line);border-bottom-right-radius:4px}
.msg.a{align-self:flex-start;background:var(--card2);border:1px solid var(--line-soft);border-bottom-left-radius:4px;font-family:var(--serif)}
.msg.a b{color:var(--gold)}
.msg.think{color:var(--ink-faint);font-style:italic;font-family:var(--kai)}
.suggest{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.suggest button{font-size:12.5px;color:var(--gold);background:transparent;border:1px dashed var(--gold-soft);
  border-radius:999px;padding:6px 13px;cursor:pointer;font-family:var(--kai);transition:.18s}
.suggest button:hover{background:color-mix(in srgb,var(--gold),transparent 88%)}
.composer{display:flex;gap:10px;position:sticky;bottom:0;padding:14px 0;background:linear-gradient(0deg,var(--bg) 70%,transparent)}
.composer textarea{flex:1;resize:none;min-height:48px;max-height:150px;padding:13px 16px;border-radius:16px;
  border:1px solid var(--line);background:var(--card2);color:var(--ink);font-family:var(--sans);font-size:14.5px}
.composer textarea:focus{outline:none;border-color:var(--gold-soft)}
.composer .send{width:48px;height:48px;flex:0 0 auto;align-self:flex-end}

/* 会讲台 */
.council-stage{max-width:960px;margin:0 auto;padding:20px 26px 40px}
.council-tray{display:flex;gap:12px;flex-wrap:wrap;align-items:center;min-height:96px;padding:16px;
  border:1px dashed var(--line);border-radius:16px;background:var(--card2);margin-bottom:16px}
.council-tray .seat{display:flex;flex-direction:column;align-items:center;gap:5px;position:relative}
.council-tray .seat img,.council-tray .seat .mono{width:60px;height:60px;border-radius:50%;object-fit:cover;object-position:top center;border:1px solid var(--gold-soft)}
.council-tray .seat .mono{display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:24px;color:var(--bg)}
.council-tray .seat .sn{font-family:var(--serif);font-size:12.5px}
.council-tray .seat .rm{position:absolute;top:-6px;right:-6px;width:20px;height:20px;border-radius:50%;background:var(--cinnabar);
  color:#fff;font-size:13px;border:none;cursor:pointer;line-height:1}
.council-tray .empty{color:var(--ink-faint);font-size:13.5px;font-family:var(--kai)}
.council-tray .addbtn{width:60px;height:60px;border-radius:50%;border:1px dashed var(--gold-soft);background:transparent;
  color:var(--gold);font-size:26px;cursor:pointer}
.council-picker{display:none;flex-wrap:wrap;gap:7px;margin-bottom:16px;max-height:180px;overflow-y:auto;padding:6px}
.council-picker.on{display:flex}
.council-picker .pk{font-size:12.5px;font-family:var(--serif);color:var(--ink-soft);background:var(--card2);
  border:1px solid var(--line-soft);border-radius:999px;padding:5px 12px;cursor:pointer;transition:.15s}
.council-picker .pk:hover{border-color:var(--gold-soft);color:var(--ink)}
.council-picker .pk.sel{background:var(--card);border-color:var(--gold);color:var(--gold)}

.ask-hero{max-width:760px;margin:6px auto 0;text-align:center;padding:0 26px}
.ask-hero .big{font-family:var(--serif);font-size:26px;margin-bottom:6px}
.ask-hero .sm{color:var(--ink-soft);font-size:14px}

.empty-hint{color:var(--ink-faint);text-align:center;font-family:var(--kai);font-size:14px;padding:30px 0}
.spinner{display:inline-block;width:15px;height:15px;border:2px solid var(--gold-soft);border-top-color:transparent;
  border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

footer{position:relative;z-index:1;text-align:center;padding:30px 20px 44px;color:var(--ink-faint);font-size:12px;
  border-top:1px solid var(--line-soft);margin-top:20px}
footer a{color:var(--gold-soft)}

/* 滚动条 */
::-webkit-scrollbar{height:9px;width:9px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

@media (max-width:720px){
  header.top{padding:12px 16px;gap:10px}
  .brand .sub{display:none}
  .nav{gap:2px}
  .nav button{padding:6px 10px;font-size:12.5px}
  .dossier{padding:0 20px 50px}
  .dossier .head{flex-direction:column;align-items:flex-start}
  .river{height:560px}
}