:root{
  --bg:#04060b; --panel:rgba(13,18,28,.82); --panel2:rgba(20,26,38,.92); --line:rgba(255,255,255,.09);
  --fg:#e9eef5; --fg2:#a7b4c4; --fg3:#66748a;
  --gold:#e8b34b; --gold2:#f5cd7a; --gold-soft:rgba(232,179,75,.16);
  --acc:#e8b34b; --info:#6ea8ff; --r:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{background:var(--bg);color:var(--fg);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  font-size:13.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
::-webkit-scrollbar-track{background:transparent}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
canvas#sky{position:fixed;inset:0;display:block;cursor:grab}
canvas#sky.grabbing{cursor:grabbing}

/* ---------- 顶栏 ---------- */
.top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:14px;
  padding:10px 18px;background:linear-gradient(180deg,rgba(4,6,11,.9),rgba(4,6,11,.55) 70%,transparent);
  pointer-events:none}
.top>*{pointer-events:auto}
/* ---------- 标识 ---------- */
.logo{flex:none;cursor:pointer;user-select:none;padding:2px 10px 5px 2px;position:relative}
.lrow{display:flex;align-items:baseline;gap:9px}
.lzh{font-size:22px;font-weight:700;letter-spacing:3px;line-height:1;
  background:linear-gradient(100deg,#c9922f 0%,#e8b34b 22%,#fff4d6 42%,#f5cd7a 58%,#c9922f 82%,#e8b34b 100%);
  background-size:230% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 7px rgba(245,205,122,.22));
  animation:sheen 7s linear infinite}
@keyframes sheen{0%{background-position:130% 0}100%{background-position:-130% 0}}
.len{font-size:9.5px;letter-spacing:4.2px;color:var(--fg3);text-transform:uppercase;
  font-weight:600;transform:translateY(-1px)}
.lsub{display:block;margin-top:3px;font-size:10px;color:var(--fg3);letter-spacing:1.4px}
/* 云边柔光：一道缓慢漂移并呼吸的微光，呼应「云」*/
.lflow{position:absolute;left:2px;right:10px;bottom:0;height:1px;overflow:hidden;border-radius:1px}
.lflow:before{content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(232,179,75,.08) 20%,rgba(245,205,122,.70) 50%,rgba(232,179,75,.08) 80%,transparent);
  background-size:62% 100%;background-repeat:no-repeat;
  animation:cloudflow 7.2s ease-in-out infinite}
@keyframes cloudflow{
  0%,100%{background-position:19% 0;opacity:.26}
  50%{background-position:81% 0;opacity:.82}
}
.logo:hover .lzh{animation-duration:2.6s}
.viewchips{display:flex;gap:6px;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:4px;backdrop-filter:blur(10px)}
.vchip{padding:5px 13px;border-radius:8px;font-size:12.5px;color:var(--fg2);transition:.15s;white-space:nowrap}
.vchip:hover{color:var(--fg)}
.vchip.on{background:var(--gold-soft);color:var(--gold2);font-weight:600}
.top .sp{flex:1;pointer-events:none}
.stat{font-size:11.5px;color:var(--fg3);white-space:nowrap}
.stat b{color:var(--gold2);font-weight:600}
.tbtn{padding:6px 12px;border-radius:9px;background:var(--panel);border:1px solid var(--line);
  color:var(--fg2);font-size:12px;transition:.15s;backdrop-filter:blur(10px);white-space:nowrap}
.tbtn:hover{color:var(--gold2);border-color:rgba(232,179,75,.4)}
.tbtn.on{background:var(--gold-soft);color:var(--gold2);border-color:rgba(232,179,75,.4)}

/* ---------- 左面板 ---------- */
.side{position:fixed;top:64px;left:14px;bottom:44px;width:372px;z-index:15;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(14px);
  overflow:hidden;transition:transform .3s ease,opacity .3s ease}
.side.hide{transform:translateX(-112%);opacity:0;pointer-events:none}
.tabs{display:flex;gap:5px;padding:10px 10px 0;flex:none}
.tab{padding:6px 14px;border-radius:9px;font-size:12.5px;color:var(--fg2);transition:.15s}
.tab:hover{color:var(--fg)}
.tab.on{background:var(--gold-soft);color:var(--gold2);font-weight:600}
.pane{flex:1;display:none;flex-direction:column;min-height:0}
.pane.on{display:flex}

/* 检索 pane：对话流 */
#chat{flex:1;overflow-y:auto;padding:12px 12px 6px;scroll-behavior:smooth}
.msg{margin-bottom:14px;animation:in .25s ease}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.who{display:flex;align-items:center;gap:7px;margin-bottom:6px;font-size:11px;color:var(--fg3)}
.av{width:20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:600;flex:none}
.av.u{background:#223042;color:#9dc3f0}
.av.b{background:linear-gradient(135deg,var(--gold),#9a6b1d);color:#1a1206}
.me{display:flex;justify-content:flex-end}
.me .bub{background:rgba(52,66,88,.55);border:1px solid rgba(255,255,255,.08);border-radius:12px 12px 4px 12px;
  padding:8px 12px;max-width:88%;font-size:13px}
.bub{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:4px 12px 12px 12px;
  padding:12px 13px;font-size:13px}
.bub p{margin-bottom:8px}
.bub p:last-child{margin-bottom:0}
.bub b{color:#fff;font-weight:600}
.bub .em{color:var(--gold2);font-weight:600}
.bub ol,.bub ul{margin:5px 0 9px 18px}
.bub li{margin-bottom:3px}
.lead{color:var(--fg2);font-size:12px;margin-bottom:9px;padding-left:8px;border-left:2px solid var(--gold)}
.cite{font-size:10.5px;color:var(--fg3);margin-top:9px;padding-top:8px;border-top:1px dashed var(--line);line-height:1.7}
.cite b{color:var(--fg2);font-weight:500}
.evidence{margin-top:8px}
.evidence .et{font-size:10.5px;color:var(--fg3);cursor:pointer;user-select:none}
.evidence .et:hover{color:var(--fg2)}
.evidence .ebox{display:none;margin-top:6px}
.evidence.open .ebox{display:block}
.evi{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:8px;padding:8px 9px;margin-bottom:6px;font-size:11px}
.evi .eh{display:flex;justify-content:space-between;font-size:10px;color:var(--fg3);margin-bottom:4px}
.evi .sc{color:var(--gold2)}
.evi .sn{color:var(--fg2);line-height:1.6}
.evi mark{background:rgba(232,179,75,.3);color:#fff;border-radius:2px;padding:0 1px}
.hint{font-size:10.5px;color:var(--fg3);margin-top:6px;line-height:1.6}

/* 结果卡 */
.res{display:flex;flex-direction:column;gap:8px;margin-top:10px}
.card{display:flex;gap:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:11px;
  padding:9px 10px;transition:.15s;cursor:pointer}
.card:hover{border-color:rgba(232,179,75,.45);background:rgba(232,179,75,.05)}
.poster{width:46px;height:67px;flex:none;border-radius:6px;overflow:hidden;background:#1a2230;
  box-shadow:0 1px 5px rgba(0,0,0,.4)}
.poster img{width:100%;height:100%;object-fit:cover;display:block}
.poster .ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2b3a4d,#1b2531);color:#8fa8c4;font-size:16px;font-weight:600}
.cb{flex:1;min-width:0}
.ch{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.ch .rk{font-size:10.5px;color:var(--fg3)}
.ch .nm{font-size:13.5px;font-weight:600;color:#fff}
.ch .sc{font-size:12.5px;font-weight:700;color:var(--gold2)}
.ch .meta{font-size:10.5px;color:var(--fg3)}
.meta2{font-size:11px;color:var(--fg3);margin-top:3px}
.intro{font-size:11.5px;color:var(--fg2);margin-top:5px;line-height:1.6}
.intro.clip{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.quote{font-size:11px;color:var(--gold2);margin-top:5px;font-style:italic;opacity:.9}

/* 输入区 */
.composer{flex:none;border-top:1px solid var(--line);padding:10px 10px 10px;background:rgba(4,6,11,.5)}
.ibox{display:flex;gap:8px;align-items:flex-end;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:11px;padding:7px 9px;transition:.15s}
.ibox:focus-within{border-color:rgba(232,179,75,.5);box-shadow:0 0 0 3px var(--gold-soft)}
#q{flex:1;background:none;border:none;outline:none;resize:none;max-height:96px;min-height:22px;
  line-height:1.5;padding:2px 0;font-size:13px}
#q::placeholder{color:var(--fg3)}
.sug{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.chip{padding:4px 10px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:11px;color:var(--fg2);transition:.15s}
.chip:hover{border-color:rgba(232,179,75,.45);color:var(--gold2)}
.chip.on{background:var(--gold-soft);border-color:rgba(232,179,75,.5);color:var(--gold2)}

/* 筛选 pane */
.fbody{flex:1;overflow-y:auto;padding:12px}
.sec-t{font-size:10.5px;letter-spacing:1.6px;color:var(--fg3);margin:4px 0 8px;display:flex;align-items:center;gap:6px}
.sec-t::after{content:"";flex:1;height:1px;background:var(--line)}
.frow{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.frow label{font-size:11.5px;color:var(--fg2);width:34px;flex:none}
select,input[type=text],textarea{background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:8px;padding:6px 9px;outline:none;transition:.15s}
select:focus,input:focus,textarea:focus{border-color:rgba(232,179,75,.5)}
select option{background:#141a26}
input[type=range]{flex:1;accent-color:var(--gold)}
.gchips{display:flex;flex-wrap:wrap;gap:5px}
.gdot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:4px;vertical-align:1px}
.fnote{font-size:11px;color:var(--fg3);margin:8px 0}
.reslist{display:flex;flex-direction:column;gap:8px;margin-top:4px}

/* 年代 pane */
.decades{flex:1;overflow-y:auto;padding:10px}
.ditem{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;cursor:pointer;transition:.15s;
  border:1px solid transparent}
.ditem:hover{background:rgba(255,255,255,.04)}
.ditem.on{background:var(--gold-soft);border-color:rgba(232,179,75,.4)}
.ditem .dot{width:9px;height:9px;border-radius:50%;flex:none}
.ditem .dn{flex:1;font-size:12.5px}
.ditem .dc{font-size:11px;color:var(--fg3)}
.ditem .bar{width:64px;height:4px;border-radius:3px;background:rgba(255,255,255,.08);overflow:hidden;flex:none}
.ditem .bar i{display:block;height:100%;border-radius:3px}

/* ---------- 详情侧栏 ---------- */
.detail{position:fixed;top:64px;right:14px;bottom:44px;width:396px;z-index:16;
  background:var(--panel2);border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(16px);
  overflow-y:auto;padding:18px;transform:translateX(115%);opacity:0;transition:.32s ease;pointer-events:none}
.detail.show{transform:none;opacity:1;pointer-events:auto}
.detail .close{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:8px;
  background:rgba(255,255,255,.06);color:var(--fg2);font-size:14px;line-height:1}
.detail .close:hover{color:var(--gold2);background:var(--gold-soft)}
.dhead{display:flex;gap:16px;margin-bottom:14px}
.dposter{width:138px;flex:none;border-radius:10px;overflow:hidden;background:#1a2230;
  box-shadow:0 6px 22px rgba(0,0,0,.55)}
.dposter img{width:100%;display:block}
.dposter .ph{width:138px;height:206px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2b3a4d,#1b2531);color:#8fa8c4;font-size:36px;font-weight:600}
.dinfo{flex:1;min-width:0}
.dinfo h3{font-size:17px;line-height:1.4;margin-bottom:4px}
.dinfo h3 .sc{color:var(--gold2);margin-left:6px}
.dinfo .sub{font-size:11.5px;color:var(--fg3);margin-bottom:8px;line-height:1.7}
.tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.tg{font-size:10.5px;padding:1px 7px;border-radius:5px;background:rgba(110,168,255,.14);color:#9dc3f0}
.tg.g{background:var(--gold-soft);color:var(--gold2)}
.dtable{width:100%;border-collapse:collapse;font-size:12px;margin:6px 0 4px}
.dtable th,.dtable td{text-align:left;padding:5px 6px;border-bottom:1px dashed var(--line);vertical-align:top}
.dtable th{color:var(--fg3);font-weight:500;font-size:11px;width:74px}
.dtable td{color:var(--fg2)}
.dsec{font-size:12.5px;color:var(--gold2);margin:14px 0 5px;font-weight:600;display:flex;align-items:baseline;gap:8px}
.dsec .dw{font-size:10px;color:var(--fg3);font-weight:400}
.dlink{font-size:12px;color:var(--fg2);line-height:1.8}
.dlink b{color:var(--gold2);font-weight:600}
.dtext{font-size:12.5px;color:var(--fg2);line-height:1.8}
.dquote{font-size:12px;color:var(--gold2);font-style:italic;opacity:.92}
.dacts{display:flex;gap:8px;margin-top:16px}
.dacts .btn{flex:1;text-align:center}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(2,4,8,.78);backdrop-filter:blur(4px);z-index:60;
  display:flex;align-items:center;justify-content:center;padding:28px}
.mask.hide{display:none}
.modal{background:#0d1220;border:1px solid var(--line);border-radius:16px;width:min(720px,100%);
  max-height:86vh;overflow-y:auto;padding:22px 24px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.modal h3{font-size:16px;margin-bottom:4px}
.modal .sub{font-size:12px;color:var(--fg3);margin-bottom:14px}
.modal h5{font-size:13px;color:var(--gold2);margin:15px 0 6px}
.modal p,.modal li{font-size:12.5px;color:var(--fg2);line-height:1.75}
.modal ul{margin-left:18px}
.mclose{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.btn{padding:7px 14px;border-radius:9px;background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--fg2);font-size:12.5px;transition:.15s;white-space:nowrap}
.btn:hover{color:var(--gold2);border-color:rgba(232,179,75,.4)}
.btn.primary{background:var(--gold);border-color:var(--gold);color:#1a1206;font-weight:600}
.btn.primary:hover{background:var(--gold2)}
.btn.rand{color:var(--gold2);border-color:rgba(232,179,75,.34);background:rgba(232,179,75,.08)}
.btn.rand:hover{background:rgba(232,179,75,.16);border-color:rgba(232,179,75,.6)}
table{width:100%;border-collapse:collapse;font-size:12px;margin-top:8px}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
th{color:var(--fg3);font-weight:500;font-size:11px}
.lv{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:11px;padding:11px 12px;margin-bottom:9px}
.lv h4{font-size:12.5px;color:var(--gold2);margin-bottom:6px;display:flex;gap:6px;align-items:center}
.lv h4 i{font-style:normal;font-size:10px;background:var(--gold-soft);color:var(--gold2);
  padding:1px 7px;border-radius:4px;font-weight:600}
.lv textarea{width:100%;min-height:76px;font-size:11.5px;line-height:1.6;resize:vertical;color:var(--fg)}
.lv p{font-size:11px;color:var(--fg3);margin-top:5px}
.kv{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dashed var(--line);font-size:12px}
.kv span:last-child{color:var(--fg2);font-variant-numeric:tabular-nums}

/* ---------- 悬停提示 / 引导 / 状态栏 ---------- */
#tip{position:fixed;z-index:25;pointer-events:none;background:rgba(10,14,22,.92);border:1px solid rgba(232,179,75,.35);
  border-radius:9px;padding:6px 10px;font-size:12px;display:none;box-shadow:0 4px 18px rgba(0,0,0,.5);white-space:nowrap}
#tip b{color:var(--gold2)}
#tip span{color:var(--fg3);font-size:11px;margin-left:6px}
/* ---------- 开场：一句话进星图 ---------- */
.splash{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(58% 58% at 50% 44%,rgba(12,17,29,.82),rgba(2,3,7,.96) 68%,#020307);
  cursor:pointer;opacity:1;transition:opacity .8s ease}
.splash.out{opacity:0;pointer-events:none}
.sbox{max-width:660px;padding:0 36px;text-align:center}
.sline{font-size:20px;line-height:2.15;color:#e9e3d5;letter-spacing:2.4px;font-weight:300;
  opacity:0;transform:translateY(10px);animation:opIn 1.8s cubic-bezier(.2,.7,.3,1) .3s forwards}
.sbrand{margin-top:30px;font-size:11.5px;letter-spacing:4.6px;color:var(--gold2);text-transform:none;
  opacity:0;transform:translateY(8px);animation:opIn 1.4s ease 1.9s forwards}
.stip{margin-top:20px;font-size:11.5px;letter-spacing:3px;color:var(--fg3);
  opacity:0;animation:opIn 1.4s ease 2.7s forwards}
@keyframes opIn{to{opacity:1;transform:none}}
/* 提示轻微呼吸，暗示「点一下」 */
.stip{animation:opIn 1.4s ease 2.7s forwards, tipBre 3.2s ease 4.1s infinite}
@keyframes tipBre{0%,100%{opacity:.45}50%{opacity:.95}}

.guide{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;
  background:rgba(2,4,8,.45)}
.guide.hide{display:none}
.gcard{background:#0d1220;border:1px solid rgba(232,179,75,.25);border-radius:16px;padding:26px 34px;
  text-align:center;max-width:430px;box-shadow:0 24px 80px rgba(0,0,0,.65)}
.gcard .step{font-size:11px;color:var(--fg3);letter-spacing:2px;margin-bottom:10px}
.gcard h2{font-size:19px;color:var(--gold2);margin-bottom:10px;font-weight:600;letter-spacing:1px}
.gcard p{font-size:13px;color:var(--fg2);margin-bottom:8px}
.gcard .dots{display:flex;gap:6px;justify-content:center;margin:14px 0 16px}
.gcard .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.18)}
.gcard .dots i.on{background:var(--gold)}
.gcard .gbtns{display:flex;gap:10px;justify-content:center}
.statusbar{position:fixed;left:0;right:0;bottom:0;z-index:18;display:flex;align-items:center;gap:16px;
  padding:8px 18px;font-size:11px;color:var(--fg3);
  background:linear-gradient(0deg,rgba(4,6,11,.9),rgba(4,6,11,.4) 70%,transparent);pointer-events:none}
.statusbar .hint-k{color:var(--fg2)}
.statusbar .fl{color:var(--gold2)}
.statusbar .sp{flex:1}
@media(max-width:900px){.side{width:min(88vw,372px)}.detail{width:min(92vw,396px)}}