/* ============================================================
   widgets.css —— 封面、导轨、图表、年表、验算台、活文档
   ============================================================ */

/* ---------- 封面 ---------- */
.cover{
  position:relative;z-index:10;min-height:100svh;display:flex;flex-direction:column;
  justify-content:center;align-items:center;padding:70px 24px 30px;text-align:center;
}
.cover::before{
  content:"";position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  height:min(88vh,860px);z-index:-1;pointer-events:none;
  background:radial-gradient(58% 52% at 50% 50%,rgba(4,6,10,.86),rgba(4,6,10,.52) 56%,transparent 82%);
}
.cover-inner{max-width:1000px;width:100%}
.cover-meta{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:26px;opacity:.85}
.cm-line{height:1px;width:clamp(28px,12vw,120px);background:linear-gradient(90deg,transparent,var(--gold))}
.cm-line:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.cm-txt{font-size:10.5px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase}
.cover-title{margin:0;position:relative}
.ct-cn{
  display:block;font-family:var(--serif);font-weight:600;
  font-size:clamp(52px,15.5vw,168px);line-height:.98;letter-spacing:.1em;
  color:#f6f8fb;
  text-shadow:0 0 60px rgba(217,180,91,.22), 0 0 140px rgba(84,168,184,.16);
  margin-left:.1em;
}
.ct-en{
  display:block;font-family:var(--mono);font-size:clamp(9px,2.1vw,14px);
  letter-spacing:.62em;margin-top:clamp(10px,2.4vw,22px);color:var(--text-faint);
  text-indent:.62em;
}
.ct-en .amp{color:var(--cinnabar);margin:0 .2em}
.cover-sub{
  font-family:var(--serif);font-size:clamp(14px,2.7vw,19px);line-height:2.05;
  color:#b9c3d0;margin:clamp(20px,4vw,34px) auto 0;max-width:34ch;
}
.cover-helix{margin:clamp(16px,4vw,34px) auto 0;width:min(100%,860px)}
.cover-helix svg{width:100%;height:auto;display:block;overflow:visible}
.cover-facts{
  list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:0;margin:clamp(14px,3vw,26px) 0 0;padding:0;
  border-top:1px solid var(--hair-soft);border-bottom:1px solid var(--hair-soft);
}
.cover-facts li{
  flex:1 1 150px;min-width:130px;padding:16px 12px;position:relative;
}
.cover-facts li + li::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:1px;background:var(--hair-soft);
}
.cover-facts b{
  display:block;font-family:var(--mono);font-size:clamp(19px,3.4vw,27px);color:var(--gold);
  font-weight:400;letter-spacing:.02em;line-height:1.3;
}
.cover-facts span{font-size:11.5px;color:var(--text-faint);letter-spacing:.1em}
.scrollcue{margin-top:34px;display:flex;flex-direction:column;align-items:center;gap:10px}
.sc-line{width:1px;height:44px;background:linear-gradient(180deg,transparent,var(--gold));animation:cue 2.6s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top;opacity:0}40%{opacity:1}100%{transform:scaleY(1);transform-origin:top;opacity:0}}
.sc-t{font-size:9.5px;letter-spacing:.28em;color:var(--text-faint)}
.notice{
  max-width:900px;margin:clamp(24px,6vw,60px) auto 0;padding:16px 20px;font-size:13.5px;line-height:1.95;
  color:#c3ccd8;background:rgba(11,15,22,.72);border:1px solid var(--hair-soft);
  border-left:2px solid var(--cinnabar);text-align:left;backdrop-filter:blur(4px);
}
.notice b{color:var(--gold)}

/* ---------- 力档案 ---------- */
.forcegrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:900px){.forcegrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.forcegrid{grid-template-columns:1fr}}
.fcard{
  position:relative;padding:18px 16px 16px;background:linear-gradient(170deg,rgba(17,24,35,.9),rgba(9,13,19,.9));
  border:1px solid var(--hair-soft);cursor:pointer;overflow:hidden;
  transition:border-color .4s var(--ease),transform .4s var(--ease);
}
.fcard::after{
  content:"";position:absolute;inset:auto 0 0 0;height:2px;background:var(--c,var(--gold));
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);
}
.fcard:hover,.fcard.on{transform:translateY(-4px);border-color:rgba(217,180,91,.4)}
.fcard.on::after{transform:scaleX(1)}
.fcard .fi{
  font-family:var(--serif);font-size:26px;color:var(--c,var(--gold));line-height:1;margin-bottom:8px;
  opacity:.9;
}
.fcard h4{margin:0 0 4px;font-family:var(--serif);font-size:16.5px;letter-spacing:.06em;color:#eef2f7;text-transform:none}
.fcard .fen{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--text-faint);margin-bottom:10px}
.fcard dl{margin:0;font-size:12.5px;line-height:1.75}
.fcard dt{color:var(--text-faint);float:left;width:44px;clear:left}
.fcard dd{margin:0 0 2px 48px;color:#d3dae5}
.fcard dd.num{font-family:var(--mono);font-size:12px;color:var(--c,var(--gold))}

.barwrap{margin-top:6px}
.brow{display:grid;grid-template-columns:96px 1fr 118px;align-items:center;gap:12px;margin:9px 0;font-size:13px}
.brow .bl{color:#cfd7e2;font-family:var(--serif)}
.btrack{height:9px;background:rgba(255,255,255,.05);position:relative;overflow:hidden}
.bfill{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,var(--c,var(--gold)),transparent 130%);transition:width 1.3s var(--ease)}
.brow .bv{font-family:var(--mono);font-size:11.5px;color:var(--text-dim);text-align:right}
@media (max-width:600px){.brow{grid-template-columns:74px 1fr 92px;font-size:12px}}

/* ---------- 跑动图 ---------- */
#running{width:100%;height:auto;display:block}
.run-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:10px;font-size:12.5px}
.run-legend i{display:inline-block;width:22px;height:2px;vertical-align:middle;margin-right:7px}
.run-ctl{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

/* ---------- 年表 ---------- */
.tl-hint{text-align:center;margin-bottom:10px}
.tl-hint span{font-size:10px;letter-spacing:.2em;color:var(--text-faint)}
.timeline{
  display:flex;gap:0;overflow-x:auto;padding:26px 4px 22px;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;cursor:grab;
  background:
    linear-gradient(180deg,transparent 49.6%,rgba(217,180,91,.22) 49.6% 50.4%,transparent 50.4%),
    repeating-linear-gradient(90deg,transparent 0 119px,rgba(214,222,235,.05) 119px 120px);
}
.timeline.drag{cursor:grabbing}
.timeline::-webkit-scrollbar{height:6px}
.timeline::-webkit-scrollbar-thumb{background:rgba(217,180,91,.3)}
.tnode{
  flex:0 0 120px;scroll-snap-align:center;position:relative;text-align:center;
  padding-top:0;background:none;border:0;color:inherit;cursor:pointer;font:inherit;
}
.tnode .dot{
  width:9px;height:9px;border-radius:50%;background:var(--ink);border:1px solid var(--gold);
  margin:0 auto;position:relative;z-index:2;transition:.4s var(--ease);
}
.tnode .stem{width:1px;background:var(--hair-soft);margin:0 auto;height:26px;transition:.4s var(--ease)}
.tnode .yr{font-family:var(--mono);font-size:12px;color:var(--gold);letter-spacing:.04em}
.tnode .lb{font-size:11.5px;line-height:1.55;color:var(--text-dim);padding:0 6px;margin-top:3px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tnode:nth-child(even){transform:translateY(0)}
.tnode:hover .dot,.tnode.on .dot{background:var(--gold);box-shadow:0 0 14px var(--gold);transform:scale(1.5)}
.tnode:hover .lb,.tnode.on .lb{color:#eaf0f7}
.tnode.on .yr{color:#fff}
.tnode.fam .dot{border-color:var(--jade)}
.tnode.fam:hover .dot,.tnode.fam.on .dot{background:var(--jade);box-shadow:0 0 14px var(--jade)}
.tl-detail{min-height:150px}
.tl-detail .d-year{font-family:var(--mono);font-size:34px;color:var(--gold);line-height:1;letter-spacing:-.01em}
.tl-detail h3{margin:6px 0 8px}
.tl-detail .who{font-size:13px;color:var(--jade);margin-bottom:12px;font-family:var(--mono)}
.tl-detail .quote{margin:14px 0 0;padding-left:14px;border-left:1px solid var(--hair);font-family:var(--serif);color:#d9e2ec;font-size:15px}

/* ---------- 候选理论 ---------- */
.cand-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:860px){.cand-grid{grid-template-columns:1fr}}
.cand{
  border:1px solid var(--hair-soft);padding:22px 24px;position:relative;overflow:hidden;
  background:linear-gradient(165deg,rgba(15,21,31,.92),rgba(9,12,18,.9));transition:.5s var(--ease);
}
.cand:hover{border-color:rgba(84,168,184,.4);transform:translateY(-3px)}
.cand .glyph{
  position:absolute;right:10px;top:-14px;font-family:var(--serif);font-size:88px;color:rgba(217,180,91,.07);
  line-height:1;user-select:none;
}
.cand h3{margin:0 0 4px;font-size:19px}
.cand .en{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--text-faint);margin-bottom:12px}
.cand dl{margin:0;font-size:13.5px}
.cand dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--jade);margin-top:12px}
.cand dt.bad{color:var(--cinnabar)}
.cand dd{margin:2px 0 0;color:#c9d2de;line-height:1.8}

/* ---------- 人物 / 证据链 ---------- */
.who{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:start}
@media (max-width:760px){.who{grid-template-columns:1fr}}
.who-photo{margin:0}
.who-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.provenance .grid > div{padding:14px 16px;border:1px solid var(--hair-soft);background:rgba(7,10,15,.5)}
.provenance h4{margin:0 0 6px;font-size:12px;letter-spacing:.1em}
.provenance p{margin:0;font-size:13px;color:var(--text-dim);line-height:1.8}
.provenance .ok{color:var(--jade)}
.provenance .no{color:var(--cinnabar)}

/* ---------- 二十五讲 ---------- */
.filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding:6px 13px;
  background:transparent;border:1px solid var(--hair-soft);color:var(--text-dim);cursor:pointer;
  transition:.35s var(--ease);border-radius:2px;
}
.chip:hover{border-color:var(--gold);color:var(--gold)}
.chip.on{background:var(--gold);color:#0a0a0a;border-color:var(--gold)}
.ax-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:900px){.ax-grid{grid-template-columns:1fr}}
.ax{
  border:1px solid var(--hair-soft);background:rgba(11,15,22,.72);position:relative;
  transition:.45s var(--ease);overflow:hidden;
}
.ax:hover{border-color:rgba(217,180,91,.34)}
.ax.hide{display:none}
.ax-top{display:grid;grid-template-columns:74px 1fr;cursor:pointer}
.ax-fig{position:relative;overflow:hidden;background:var(--ink-2);height:100%;min-height:112px}
.ax-fig img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity 1s var(--ease),transform 1.2s var(--ease);transform:scale(1.06)}
.ax-fig img.show{opacity:.92;transform:none}
.ax-fig::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(11,15,22,.95))}
.ax-body{padding:16px 18px 16px 16px}
.ax-n{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--gold);display:block;margin-bottom:5px}
.ax h3{margin:0 0 7px;font-size:16.5px;line-height:1.45}
.ax p{margin:0;font-size:13.5px;line-height:1.85;color:var(--text-dim)}
.ax-more{
  padding:0 18px;max-height:0;overflow:hidden;transition:max-height .6s var(--ease),padding .4s var(--ease);
  border-top:1px dashed transparent;
}
.ax.open .ax-more{max-height:520px;padding:14px 18px 18px;border-top-color:var(--hair-soft)}
.ax-more .crit{font-size:13px;line-height:1.85;color:#cfd8e4;padding-left:12px;border-left:2px solid var(--c,var(--jade))}
.ax-more .crit b{color:var(--c,var(--jade))}
.ax-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.ax .caret{position:absolute;right:12px;top:14px;font-size:11px;color:var(--text-faint);transition:transform .4s}
.ax.open .caret{transform:rotate(180deg);color:var(--gold)}

/* ---------- 定义卡 / 主张卡 ---------- */
.defcard{border:1px solid var(--hair-soft);padding:16px 18px;background:rgba(11,15,22,.66)}
.defcard h4{margin:0 0 8px;color:var(--gold);font-family:var(--serif);font-size:15px;letter-spacing:.05em;text-transform:none}
.defcard p{font-size:13px;color:var(--text-dim);margin:8px 0 0;line-height:1.8}
.claim{border:1px solid rgba(208,86,58,.28);background:rgba(208,86,58,.05);padding:18px 20px;position:relative}
.claim .cn{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--cinnabar)}
.claim h4{margin:6px 0 10px;font-family:var(--serif);font-size:16px;color:#f0e6d4;text-transform:none;letter-spacing:.04em}
.claim .note{font-size:13px;color:var(--text-dim);line-height:1.85;margin:10px 0 0}
.claim .note b{color:var(--jade)}

/* ---------- 螺旋实验台 ---------- */
.helix-lab{display:grid;grid-template-columns:1fr 300px;gap:22px;margin:20px 0;align-items:start}
@media (max-width:820px){.helix-lab{grid-template-columns:1fr}}
.lab-canvas{position:relative;border:1px solid var(--hair-soft);background:radial-gradient(80% 80% at 50% 50%,rgba(20,28,40,.9),rgba(7,10,15,.96))}
.lab-canvas canvas{display:block;width:100%;height:auto}
.lab-side{border:1px solid var(--hair-soft);padding:16px 18px;background:rgba(11,15,22,.7)}
.ctl{margin:0 0 16px}
.ctl label{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--text-dim);margin-bottom:7px}
.ctl label b{color:var(--gold);font-weight:400}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:2px;background:rgba(214,222,235,.18);outline:none;margin:0;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--gold);cursor:pointer;
  box-shadow:0 0 0 3px rgba(217,180,91,.18);transition:.2s;
}
input[type=range]::-webkit-slider-thumb:hover{box-shadow:0 0 0 6px rgba(217,180,91,.22)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:var(--gold);cursor:pointer}
.readout{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:12.5px;border-top:1px solid var(--hair-soft);padding-top:12px;margin-top:4px}
.readout dt{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--text-faint);align-self:center}
.readout dd{margin:0;font-family:var(--mono);color:var(--jade);font-size:12.5px}
.readout dd.hi{color:var(--gold)}
.readout dd.bad{color:var(--cinnabar)}
.tog{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ---------- 项映射 ---------- */
.terms{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}
@media (max-width:820px){.terms{grid-template-columns:repeat(2,1fr)}}
.term-c{border:1px solid var(--hair-soft);padding:12px 14px;cursor:pointer;transition:.35s;background:rgba(11,15,22,.6)}
.term-c.on{border-color:var(--c);background:rgba(217,180,91,.06)}
.term-c .te{font-family:var(--serif);font-size:17px;color:var(--c);line-height:1.3}
.term-c .tn{font-size:12.5px;color:#dfe6ef;margin-top:4px;font-family:var(--serif)}
.term-c .tr{font-size:11.5px;color:var(--text-faint);line-height:1.7;margin-top:5px}
.termbox{margin-top:10px;font-size:13.5px;color:var(--text-dim);min-height:60px;border-left:2px solid var(--gold);padding-left:14px}

/* ---------- 验算台 ---------- */
.bench-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--hair-soft);padding-bottom:12px;margin-bottom:6px}
.btn{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;padding:7px 14px;cursor:pointer;
  background:rgba(217,180,91,.1);border:1px solid rgba(217,180,91,.42);color:var(--gold);transition:.3s var(--ease);
}
.btn:hover{background:var(--gold);color:#0a0a0a}
.btn.ghost{background:transparent;border-color:var(--hair-soft);color:var(--text-dim)}
.btn.ghost:hover{border-color:var(--jade);color:var(--jade);background:rgba(84,168,184,.08)}
.bench{display:grid;gap:12px;margin-top:12px}
.brow2{
  display:grid;grid-template-columns:1.35fr 1fr 1fr .95fr;gap:14px;align-items:center;
  padding:14px 16px;border:1px solid var(--hair-soft);background:rgba(7,10,15,.6);font-size:13px;
}
@media (max-width:860px){.brow2{grid-template-columns:1fr 1fr;gap:8px}.brow2 .bh{display:none}}
.brow2 .bq{font-family:var(--serif);font-size:15.5px;color:#f1e8d6}
.brow2 .bq small{display:block;font-family:var(--sans);font-size:11.5px;color:var(--text-faint);margin-top:3px}
.brow2 .bv2{font-family:var(--mono);font-size:12.5px;word-break:break-all}
.brow2 .bv2 span{display:block;color:var(--text-faint);font-size:9.5px;letter-spacing:.12em;margin-bottom:3px}
.brow2 .ratio{text-align:right}
.brow2 .ratio b{font-family:var(--mono);font-size:16px;display:block;font-weight:400}
.brow2 .ratio i{font-style:normal;font-size:10px;letter-spacing:.1em;color:var(--text-faint)}
.r-good{color:var(--jade)}.r-far{color:var(--cinnabar)}.r-warn{color:var(--gold)}
.bmark{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;vertical-align:1px}

/* ---------- 哲学卡 ---------- */
.philo{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:12px}
@media (max-width:980px){.philo{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.philo{grid-template-columns:1fr}}
.pcard{border:1px solid var(--hair-soft);padding:20px;background:rgba(11,15,22,.7);position:relative;overflow:hidden}
.pcard .pn{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--gold);opacity:.8}
.pcard h4{font-family:var(--serif);font-size:17px;color:#eef2f7;margin:8px 0 2px;text-transform:none;letter-spacing:.05em}
.pcard .py{font-family:var(--mono);font-size:10.5px;color:var(--text-faint);margin-bottom:12px}
.pcard p{font-size:13px;line-height:1.85;color:var(--text-dim);margin:0 0 10px}
.pcard .app{font-size:12.5px;line-height:1.8;color:#cdd6e2;border-top:1px dashed var(--hair-soft);padding-top:10px}
.pcard .app b{color:var(--cinnabar)}
.pcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--gold);opacity:.28}

.chk{display:grid;gap:0}
.chkrow{display:grid;grid-template-columns:1fr 128px;gap:16px;padding:16px 0;border-bottom:1px solid var(--hair-soft);align-items:start}
@media (max-width:640px){.chkrow{grid-template-columns:1fr}.chkrow .vbox{justify-self:start}}
.chkrow:last-child{border-bottom:0}
.chkrow h4{font-family:var(--serif);font-size:15.5px;color:#eaf0f7;margin:0 0 6px;text-transform:none;letter-spacing:.04em}
.chkrow p{margin:0;font-size:13.5px;color:var(--text-dim);line-height:1.85}
.vbox{text-align:right}
.vbadge{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;padding:5px 10px;border-radius:2px;border:1px solid currentColor}
.v-pass{color:var(--jade);background:rgba(84,168,184,.09)}
.v-fail{color:var(--cinnabar);background:rgba(208,86,58,.09)}
.v-part{color:var(--gold);background:rgba(217,180,91,.09)}

.quote{margin:34px 0 0;padding:26px 30px;border-left:2px solid var(--gold);background:rgba(217,180,91,.045)}
.quote p{font-family:var(--serif);font-size:19px;line-height:1.85;color:#f0eade;margin:0 0 10px}
.quote cite{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--text-faint);font-style:normal}

/* ---------- 实验 ---------- */
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.exp-grid{grid-template-columns:1fr}}
.exp{border:1px solid var(--hair-soft);background:rgba(11,15,22,.72);padding:22px 24px;position:relative}
.exp .ex-n{font-family:var(--mono);font-size:44px;color:rgba(217,180,91,.16);position:absolute;right:16px;top:8px;line-height:1}
.exp h3{margin:0 0 4px;font-size:17px}
.exp .sig{font-family:var(--mono);font-size:11px;color:var(--jade);margin-bottom:12px;word-break:break-all}
.exp p{font-size:13.5px;line-height:1.85;color:var(--text-dim)}
.exp .lim{margin-top:14px;padding-top:12px;border-top:1px dashed var(--hair-soft);font-size:12.5px}
.exp .lim b{color:var(--cinnabar);font-family:var(--mono);font-weight:400}

/* ---------- 活文档 ---------- */
.live-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;font-size:12px;color:var(--text-dim)}
.live-bar #livestate{flex:1;min-width:180px}
.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:980px){.live-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.live-grid{grid-template-columns:1fr}}
.lcard{border:1px solid var(--hair-soft);background:rgba(11,15,22,.72);overflow:hidden;display:flex;flex-direction:column}
.lcard .lc-img{aspect-ratio:16/9;background:#0d131c;overflow:hidden}
.lcard .lc-img img{width:100%;height:100%;object-fit:cover;display:block;opacity:.86}
.lcard .lc-b{padding:16px 18px;display:flex;flex-direction:column;flex:1}
.lcard h4{font-family:var(--serif);font-size:16px;color:#eef2f7;margin:0 0 8px;text-transform:none;letter-spacing:.03em}
.lcard p{font-size:13px;line-height:1.8;color:var(--text-dim);margin:0 0 12px;flex:1}
.lcard .lc-f{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--text-faint)}
.lcard .lc-f a{color:var(--jade);border:0}
.arxiv{display:grid;gap:10px}
.axr{border:1px solid var(--hair-soft);padding:14px 16px;background:rgba(7,10,15,.6);transition:.35s}
.axr:hover{border-color:rgba(84,168,184,.4)}
.axr a{font-family:var(--serif);font-size:15px;color:#eaf0f7;border:0;line-height:1.55;display:block}
.axr a:hover{color:var(--jade)}
.axr .meta{font-family:var(--mono);font-size:10.5px;color:var(--text-faint);margin-top:6px;letter-spacing:.05em}
.axr .abs{font-size:12.5px;color:var(--text-dim);line-height:1.75;margin-top:6px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 文献块 ---------- */
.srcblocks h4{margin-top:0}
.srcblocks ol{margin:0;padding-left:20px;font-size:13px;line-height:1.95;color:var(--text-dim)}
.srcblocks li{margin-bottom:6px}
.srcblocks li b{color:#dfe6ef;font-weight:400}
.srcblocks li i{color:var(--text-faint);font-style:normal;font-family:var(--mono);font-size:11.5px}

/* ---------- 移动端弧形导轨 ---------- */
@media (max-width:980px){
  .orbit{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    align-items:center;justify-content:space-around;gap:2px;
    padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));
    background:linear-gradient(0deg,rgba(5,7,11,.97),rgba(5,7,11,.82));
    border-top:1px solid var(--hair);backdrop-filter:blur(8px);
  }
  .ob{flex:1;background:none;border:0;color:var(--text-faint);font:inherit;padding:5px 0;cursor:pointer;position:relative}
  .ob .od{width:5px;height:5px;border-radius:50%;background:rgba(214,222,235,.28);margin:0 auto 4px;transition:.4s var(--ease)}
  .ob .ol{font-family:var(--serif);font-size:10.5px;letter-spacing:.04em;display:block;line-height:1.2}
  .ob.on{color:var(--gold)}
  .ob.on .od{background:var(--gold);box-shadow:0 0 10px var(--gold);transform:scale(1.7)}
  .ob:nth-child(odd){transform:translateY(-4px)}
  .ob:nth-child(odd) .od{transform:translateY(-1px)}
  .ob.on:nth-child(odd) .od{transform:translateY(-1px) scale(1.7)}
  body{padding-bottom:62px}
}

/* ---------- 提示气泡 ---------- */
.tip{
  position:fixed;z-index:90;max-width:320px;padding:14px 16px;
  background:rgba(9,13,19,.98);border:1px solid var(--hair);color:#d5dde8;font-size:12.5px;line-height:1.85;
  box-shadow:0 20px 50px -18px #000;opacity:0;transform:translateY(6px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.tip.on{opacity:1;transform:none}
.tip b{color:var(--gold);display:block;margin-bottom:5px;font-family:var(--serif);font-size:14px;letter-spacing:.04em}
.tip .tip-src{display:block;margin-top:8px;font-family:var(--mono);font-size:10px;color:var(--text-faint)}

/* ---------- 页脚 ---------- */
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
@media (max-width:700px){.foot-grid{grid-template-columns:1fr}}
footer .shell{padding:0 34px}
@media (max-width:980px){footer .shell{padding:0 20px}}
.foot-seal{margin-bottom:14px;pointer-events:none}

/* ---------- 目录抽屉 ---------- */
.toc-btn{
  position:fixed;top:16px;left:calc(var(--rail) + 18px);z-index:70;
  display:flex;align-items:center;gap:8px;padding:7px 13px 7px 11px;
  background:rgba(9,13,19,.72);border:1px solid var(--hair);border-radius:2px;
  color:var(--text-dim);font-family:var(--serif);font-size:13px;letter-spacing:.18em;
  cursor:pointer;backdrop-filter:blur(6px);
  transition:color .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
}
.toc-btn svg{width:26px;height:14px;color:var(--gold);opacity:.85}
.toc-btn:hover{color:var(--gold);border-color:rgba(217,180,91,.5);background:rgba(16,22,32,.9)}
.toc-btn.on{color:var(--gold);border-color:rgba(217,180,91,.55)}

.toc-scrim{
  position:fixed;inset:0;z-index:78;background:rgba(3,5,8,.66);
  opacity:0;pointer-events:none;backdrop-filter:blur(2px);
  transition:opacity .4s var(--ease);
}
.toc-scrim.on{opacity:1;pointer-events:auto}

.toc{
  position:fixed;top:0;bottom:0;left:0;z-index:80;width:min(430px,88vw);
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--paper),var(--paper-2));color:var(--paper-ink);
  box-shadow:26px 0 70px -20px rgba(0,0,0,.75);
  transform:translateX(-101%);visibility:hidden;
  transition:transform .5s var(--ease);
}
.toc.on,.toc.out{visibility:visible}
.toc.on{transform:none}
.toc::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:3px;opacity:.5;
  background:repeating-linear-gradient(180deg,var(--gold-deep) 0 6px,transparent 6px 12px);
}
.toc-top{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding:22px 22px 14px;border-bottom:1px solid rgba(36,31,24,.16);
}
.toc-cn{font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:.14em;display:block}
.toc-en{display:block;font-size:9.5px;letter-spacing:.22em;color:var(--paper-dim);margin-top:3px}
.toc-x{
  background:none;border:1px solid rgba(36,31,24,.28);color:var(--paper-ink);
  font-family:var(--serif);font-size:12px;letter-spacing:.1em;padding:6px 10px;cursor:pointer;border-radius:2px;
  white-space:nowrap;flex:none;
}
.toc-x:hover{background:rgba(36,31,24,.08)}
.toc-list{list-style:none;margin:0;padding:8px 0 4px;overflow-y:auto;flex:1;-webkit-overflow-scrolling:touch}
.toc-i{
  display:grid;grid-template-columns:34px 1fr auto;gap:0 12px;align-items:baseline;
  padding:11px 20px;text-decoration:none;color:inherit;
  border-left:2px solid transparent;transition:background .25s,border-color .25s;
}
.toc-i:hover{background:rgba(36,31,24,.06)}
.toc-i.on{border-left-color:var(--cinnabar);background:rgba(217,180,91,.16)}
.toc-n{font-family:var(--serif);font-size:19px;color:var(--cinnabar-deep);line-height:1}
.toc-t{font-family:var(--serif);font-size:16px;font-weight:700}
.toc-p{font-family:var(--mono);font-size:10.5px;color:var(--paper-dim)}
.toc-k{grid-column:2;font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--paper-dim);text-transform:uppercase;margin-top:3px}
.toc-d{grid-column:2;font-size:12px;line-height:1.7;color:rgba(36,31,24,.66);margin-top:4px}
.toc-i.on .toc-n{color:var(--cinnabar)}
.toc-note{
  margin:0;padding:12px 20px 18px;border-top:1px solid rgba(36,31,24,.16);
  font-size:11px;line-height:1.9;color:var(--paper-dim);
}
.toc-note b{font-weight:400;padding:1px 5px;border-radius:2px;white-space:nowrap}
.toc-note .t-main{color:var(--jade-deep);background:rgba(84,168,184,.14)}
.toc-note .t-claim{color:var(--cinnabar-deep);background:rgba(208,86,58,.12)}
.toc-note .t-open{color:var(--gold-deep);background:rgba(217,180,91,.16)}
html.toc-lock{overflow:hidden}
@media (max-width:980px){
  .toc-btn{left:auto;right:14px;top:12px;padding:6px 11px 6px 9px;font-size:12px;letter-spacing:.12em}
  .toc{width:min(430px,92vw)}
}

/* ---------- 打印 ---------- */
@media print{
  #field,.grain,.vignette,.rail,.orbit,.scrollcue,.toc,.toc-btn,.toc-scrim{display:none !important}
  body{background:#fff;color:#111}
  .shell{padding-left:0}
  .plate,.paper,.ax,.cand{break-inside:avoid}
}