/* 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:22px 26px 4px;text-align:center}
.hero h1{font-family:var(--serif);font-size:clamp(26px,4.4vw,46px);margin:.08em 0 .14em;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:820px;margin:16px auto 0;color:var(--ink-soft);font-size:15px}
.hero .cite{color:var(--ink-faint);font-size:12.5px;margin-top:6px}
.hero.compact{padding:16px 26px 2px}
.hero.compact h1{font-size:clamp(24px,3.6vw,38px);margin:.04em 0 .1em}
.hero.compact .epi{font-size:clamp(13px,2vw,16px)}
.hero.compact .lead{margin-top:8px;font-size:13.5px;color:var(--ink-faint)}
.hero.compact .lead b{color:var(--ink-soft)}

/* 工具条：搜索 + 领域筛选 */
.toolbar{max-width:1180px;margin:12px auto 4px;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;
  appearance:none;font-family:var(--sans)}
.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)}

/* —————————————————————————— 三维星云 */
.galaxy-wrap{position:relative;width:100%;height:max(440px,calc(100vh - 250px));margin-top:2px;
  overflow:hidden;touch-action:none}
#galaxy{position:absolute;inset:0;width:100%;height:100%;cursor:grab;display:block}
#galaxy.drag{cursor:grabbing}
#galaxy.pointing{cursor:pointer}
.galaxy-hint{position:absolute;left:0;right:0;bottom:12px;text-align:center;pointer-events:none;
  font-size:12px;color:var(--ink-faint);letter-spacing:.04em;text-shadow:0 1px 8px #000;
  padding:0 16px;opacity:.85}

/* 星云浮签 */
.tooltip{position:fixed;z-index:70;max-width:280px;padding:12px 15px;border-radius:12px;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,26,54,.97),rgba(12,16,36,.97));border:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.55);backdrop-filter:blur(6px)}
.tooltip .tip-title{font-family:var(--serif);font-size:18px;font-weight:700;margin:0 0 4px;
  display:flex;align-items:center;gap:8px}
.tooltip .tip-badge{font-size:10.5px;font-weight:400;padding:2px 7px;border:1px solid;border-radius:999px;letter-spacing:.06em}
.tooltip .tip-meta{font-size:12px;color:var(--gold);font-family:var(--kai);margin:0 0 6px;letter-spacing:.03em}
.tooltip .tip-epi{font-family:var(--kai);font-size:13.5px;color:var(--ink-soft);margin:0 0 8px;line-height:1.55}
.tooltip .tip-go{font-size:11px;color:var(--ink-faint);margin:0}

/* —————————————————————————— 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-color:var(--bg2)}
.gcard .atlas{background-image:url('/img/gallery-atlas.webp?v=2');background-repeat:no-repeat;
  background-size:1248px 1014px;background-position:calc(var(--atlas-x) * -78px) calc(var(--atlas-y) * -78px)}
.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}
.resources{display:flex;flex-direction:column;gap:8px}
.resource{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:10px 13px;border-bottom:1px solid var(--line-soft);transition:.18s}
.resource:hover{color:var(--gold);padding-left:17px}
.resource-kind{font-size:10.5px;color:var(--jade);border:1px solid color-mix(in srgb,var(--jade),transparent 55%);border-radius:999px;padding:2px 7px}
.resource .go{color:var(--ink-faint)}
.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)}
.claim-tag{display:inline-block;margin:0 .22em 0 .08em;padding:.04em .45em;border-radius:999px;font-family:var(--sans);font-size:10px;line-height:1.55;vertical-align:.12em;letter-spacing:.08em}
.evidence-tag{color:#9ee7cc;background:rgba(46,156,121,.13);border:1px solid rgba(95,199,166,.28)}
.inference-tag{color:#e9cc89;background:rgba(196,143,49,.12);border:1px solid rgba(232,197,121,.24)}
.knowledge-tag{color:#b8bde0;background:rgba(124,132,190,.12);border:1px solid rgba(154,163,200,.22)}
.grounding{margin:11px -2px -2px;padding-top:9px;border-top:1px solid var(--line-soft);font-family:var(--sans);font-size:11px;line-height:1.55;color:var(--ink-faint);white-space:normal}
.grounding.quiet,.grounding.unavailable{display:flex;justify-content:space-between;gap:12px}
.grounding.unavailable{color:#d9a598}
.grounding summary{display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;list-style:none;color:var(--ink-soft);transition:color .18s}
.grounding summary::-webkit-details-marker{display:none}
.grounding summary::before{content:"＋";margin-right:3px;color:var(--gold-soft)}
.grounding[open] summary::before{content:"−"}
.grounding summary:hover{color:var(--ink)}
.grounding summary b{color:#9ee7cc;font-family:var(--sans);font-weight:600}
.evidence-note{margin:10px 0 7px;padding:7px 9px;border-left:2px solid rgba(95,199,166,.4);background:rgba(95,199,166,.05);color:var(--ink-faint)}
.grounding ol{margin:0;padding:0 0 0 22px}
.grounding li{padding:8px 0;border-top:1px solid rgba(154,163,200,.09)}
.grounding a{color:#a9ddcf;text-decoration:none}
.grounding a:hover{text-decoration:underline}
.grounding small{display:block;margin-top:2px;color:var(--ink-faint)}
.grounding blockquote{margin:5px 0 0;padding:5px 8px;border-left:1px solid var(--line);color:var(--ink-soft);font-family:var(--serif);font-size:11.5px;white-space:normal}
.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}
  .msg{max-width:94%}
  .grounding summary{align-items:flex-start;gap:8px;flex-wrap:wrap}
}