:root{
  --ink:#070b16; --ink2:#0a0e1f; --ink3:#101830;
  --paper:#e9e7de; --mist:rgba(226,234,252,.66); --faint:rgba(226,234,252,.42);
  --teal:#43e0c0; --violet:#9d86ff; --gold:#f2c877; --rose:#ff9db8;
  --line:rgba(126,160,255,.16); --line2:rgba(126,160,255,.32);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html.static{scroll-behavior:auto}
html.static #dots,html.static #bar{display:none!important}
body{background:var(--ink);color:var(--mist);font-family:var(--sans);line-height:1.75;overflow-x:hidden;
  background-image:radial-gradient(1200px 600px at 80% -5%,rgba(76,60,180,.22),transparent 60%),
  radial-gradient(900px 500px at 5% 30%,rgba(28,120,130,.14),transparent 60%),
  radial-gradient(1000px 700px at 95% 85%,rgba(120,60,150,.12),transparent 60%)}
::selection{background:rgba(67,224,192,.28);color:#fff}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
button{font:inherit;cursor:pointer}
input{font:inherit}

#bar{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--teal),var(--violet),var(--gold))}

nav#dots{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;gap:12px}
nav#dots a{display:flex;align-items:center;gap:8px;justify-content:flex-end;color:var(--faint);font:11px/1 var(--sans);letter-spacing:.1em}
nav#dots i{width:7px;height:7px;border-radius:50%;background:var(--line2);display:block;transition:.3s}
nav#dots a.on i{background:var(--teal);box-shadow:0 0 10px var(--teal)}
nav#dots a.on{color:var(--paper)}
nav#dots span{opacity:0;transition:.3s}
nav#dots:hover span{opacity:1}
@media(max-width:860px){nav#dots{top:auto;bottom:10px;right:50%;transform:translateX(50%);flex-direction:row;gap:10px;background:rgba(7,11,22,.72);border:1px solid var(--line);padding:8px 12px;border-radius:20px;backdrop-filter:blur(8px)}nav#dots i{width:9px;height:9px}nav#dots span{display:none}}

.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
section.chap{position:relative;padding:96px 0 88px;overflow-x:clip}
.chapno{position:absolute;top:44px;left:22px;font:700 12px/1 var(--mono);letter-spacing:.35em;color:var(--faint)}
.chapmark{position:absolute;top:60px;right:-2%;font-family:var(--serif);font-weight:700;
  font-size:clamp(180px,30vw,420px);line-height:1;color:rgba(233,231,222,.028);pointer-events:none;user-select:none;z-index:0}
headspace{}
.chaptitle{position:relative;z-index:1;margin-bottom:14px}
.chaptitle .en{font:600 11px/1 var(--mono);letter-spacing:.4em;color:var(--teal);text-transform:uppercase}
.chaptitle h2{font-family:var(--serif);font-weight:700;font-size:clamp(30px,5.2vw,54px);color:var(--paper);letter-spacing:.06em;margin-top:10px}
.chaptitle h2 em{font-style:normal;background:linear-gradient(90deg,var(--teal),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{position:relative;z-index:1;max-width:760px;font-size:16.5px;color:var(--mist);margin-bottom:44px}
.lede strong{color:var(--paper)}
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s ease,transform .9s ease}
.rv.in{opacity:1;transform:none}
html.static .rv,body.static .rv{opacity:1!important;transform:none!important;transition:none!important}

.hero{min-height:100svh;display:flex;align-items:center;position:relative;overflow:hidden;padding:64px 0}
#stars{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero .wrap{position:relative;z-index:2;display:grid;gap:28px}
.hero-img{position:absolute;z-index:1;right:-6%;top:50%;transform:translateY(-46%);width:min(46vw,560px);
  border-radius:12px;filter:saturate(.85) brightness(.8);opacity:.5;
  -webkit-mask-image:linear-gradient(200deg,transparent 8%,#000 55%);mask-image:linear-gradient(200deg,transparent 8%,#000 55%)}
@media(max-width:860px){.hero-img{width:110%;right:-30%;top:auto;bottom:-8%;height:52vh;opacity:.34;object-fit:cover;
  -webkit-mask-image:linear-gradient(0deg,#000 30%,transparent 85%);mask-image:linear-gradient(0deg,#000 30%,transparent 85%)}}
.kicker{font:600 12px/1 var(--mono);letter-spacing:.5em;color:var(--teal)}
.hero h1{font-family:var(--serif);font-size:clamp(56px,12vw,150px);line-height:1.05;color:#fff;letter-spacing:.02em;font-weight:900}
.hero h1 .q{color:var(--gold)}
.answerbox{border-left:2px solid var(--teal);padding:6px 0 6px 18px;min-height:74px;max-width:640px}
.answerbox .lbl{font:11px/1 var(--mono);letter-spacing:.3em;color:var(--faint);margin-bottom:8px}
#answerText{font-family:var(--serif);font-size:clamp(18px,2.6vw,24px);color:var(--paper);transition:opacity .35s}
.hero .go{display:inline-flex;align-items:center;gap:10px;margin-top:10px;color:var(--faint);font:12px/1 var(--mono);letter-spacing:.3em}
.hero .go b{color:var(--teal);animation:bob 2s infinite;font-weight:400}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}
#shuffle{margin-top:14px;background:transparent;border:1px solid var(--line2);color:var(--paper);
  padding:9px 18px;border-radius:22px;font-size:13px;letter-spacing:.15em;transition:.3s}
#shuffle:hover{border-color:var(--teal);color:var(--teal);box-shadow:0 0 18px rgba(67,224,192,.25)}

.rail{display:flex;gap:16px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line2) transparent}
.rail::-webkit-scrollbar{height:6px}.rail::-webkit-scrollbar-thumb{background:var(--line2);border-radius:3px}
.tcard{scroll-snap-align:start;flex:0 0 300px;background:linear-gradient(160deg,var(--ink3),rgba(13,18,38,.5));
  border:1px solid var(--line);border-radius:14px;padding:20px 20px 22px;position:relative;transition:.35s}
.tcard:hover{border-color:var(--line2);transform:translateY(-4px)}
.tcard .yr{font:700 13px/1 var(--mono);color:var(--gold);letter-spacing:.08em}
.tcard h4{font-family:var(--serif);color:#fff;font-size:20px;margin:10px 0 2px}
.tcard .who{font-size:12.5px;color:var(--violet);margin-bottom:10px}
.tcard p{font-size:13.5px;color:var(--mist)}
.tcard:after{content:"";position:absolute;left:20px;bottom:0;height:2px;width:36px;background:linear-gradient(90deg,var(--teal),transparent)}

.grid2{display:grid;gap:22px}
@media(min-width:900px){.grid2.split{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px}}
.figbox{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.figbox img{width:100%;transform:scale(1.02);transition:transform 1.2s}
.figbox:hover img{transform:scale(1.07)}
.figbox .cap{position:absolute;inset:auto 0 0 0;padding:14px 16px;font-size:12.5px;letter-spacing:.05em;color:var(--paper);
  background:linear-gradient(0deg,rgba(7,11,22,.92),transparent)}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:8px}
.fact{border:1px solid var(--line);border-radius:14px;padding:20px;background:rgba(16,24,48,.4);transition:.35s}
.fact:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.fact .num{font-family:var(--serif);font-weight:900;font-size:clamp(30px,4vw,42px);color:#fff;line-height:1.1}
.fact .num small{font-size:.5em;color:var(--teal);margin-left:2px}
.fact .lbl{font-size:13px;color:var(--gold);letter-spacing:.12em;margin:6px 0 8px}
.fact .note{font-size:13px;color:var(--faint);line-height:1.65}

.chainwrap{margin-top:44px}
.chainlabel{font:11px/1 var(--mono);letter-spacing:.35em;color:var(--faint);margin-bottom:12px}
.chain{display:flex;gap:0;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px}
.chain::-webkit-scrollbar{height:6px}.chain::-webkit-scrollbar-thumb{background:var(--line2);border-radius:3px}
.link{scroll-snap-align:center;flex:0 0 min(78vw,250px);position:relative;padding:16px 26px 16px 22px;border-top:1px solid var(--line)}
.link:before{content:"";position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
.link:after{content:"→";position:absolute;top:12px;right:4px;color:var(--line2)}
.link:last-child:after{content:""}
.link b{display:block;font-family:var(--serif);color:var(--paper);font-size:17px;margin-bottom:6px}
.link span{font-size:12.8px;color:var(--faint);line-height:1.6}
.link.final b{color:var(--gold)}

.funnel{display:grid;gap:8px;max-width:620px;margin:0 auto}
.fbar{height:52px;border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 14px;
  font-family:var(--serif);color:#0b1020;font-weight:700;font-size:14px}
.fbar span:last-child{font:700 12px/1 var(--mono);white-space:nowrap}
.f1{width:100%;background:linear-gradient(90deg,#35507e,#4a6da0)}
.f2{width:72%;margin:0 auto;background:linear-gradient(90deg,#4d7ea8,#57a7c4)}
.f3{width:46%;margin:0 auto;background:linear-gradient(90deg,var(--teal),#aef3df);box-shadow:0 0 30px rgba(67,224,192,.35)}
.funnel .mid{text-align:center;font:11px/1.6 var(--mono);color:var(--faint);letter-spacing:.2em}

.mods{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.mod{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:rgba(16,24,48,.45);transition:.3s}
.mod:hover{border-color:var(--violet)}
.mod .k{font:700 12px/1 var(--mono);color:var(--violet);letter-spacing:.15em}
.mod h5{font-family:var(--serif);color:#fff;font-size:16.5px;margin:8px 0 6px}
.mod p{font-size:12.8px;color:var(--faint)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px}
.chip{border:1px solid var(--line2);background:transparent;color:var(--mist);border-radius:18px;padding:6px 14px;font-size:12.5px;letter-spacing:.08em;transition:.25s}
.chip:hover{color:#fff}
.chip.on{background:linear-gradient(90deg,rgba(67,224,192,.18),rgba(157,134,255,.18));color:#fff;border-color:var(--teal)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.dcard{border:1px solid var(--line);border-radius:14px;padding:18px 20px 20px;background:linear-gradient(170deg,rgba(19,28,56,.55),rgba(10,14,31,.6));
  display:flex;flex-direction:column;gap:9px;transition:.3s}
.dcard:hover{border-color:var(--line2);transform:translateY(-3px)}
.dcard .top{display:flex;justify-content:space-between;align-items:baseline}
.dcard .code{font:700 11px/1 var(--mono);color:var(--gold);letter-spacing:.12em}
.dcard .dim{font-size:11px;color:var(--faint)}
.dcard h4{font-family:var(--serif);color:#fff;font-size:18px;margin-top:2px}
.dcard .mono{font-family:var(--serif);font-size:15.5px;color:var(--teal);font-style:italic}
.dcard .row{font-size:12.8px;color:var(--mist);line-height:1.65}
.dcard .row b{color:var(--violet);font-weight:600;margin-right:4px}
.dcard .row.act b{color:var(--teal)}
.dcard .row b.rq{color:var(--gold)}

details.acc{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:rgba(16,24,48,.4)}
details.acc summary{cursor:pointer;padding:14px 18px;font-family:var(--serif);color:var(--paper);font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.acc summary:after{content:"+";color:var(--teal);font-family:var(--mono)}
details.acc[open] summary:after{content:"–"}
details.acc .abody{padding:0 18px 16px;font-size:13.5px;color:var(--mist)}
details.acc .abody p b{color:var(--gold);font-weight:600}

.panel{border:1px solid var(--line);border-radius:16px;background:rgba(11,16,34,.72);padding:22px 22px 26px}
.panel h3{font-family:var(--serif);color:#fff;font-size:20px;margin-bottom:4px}
.panel .sub{font-size:13px;color:var(--faint);margin-bottom:18px}
@media(min-width:960px){.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}}
canvas#radar{width:100%;height:auto;display:block}
.slrow{display:grid;grid-template-columns:110px 1fr 34px;gap:12px;align-items:center;margin:9px 0;font-size:12.8px;color:var(--mist)}
.slrow label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:3px;border-radius:2px;background:var(--line2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px rgba(67,224,192,.6);cursor:pointer;border:none}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--teal);border:none;cursor:pointer}
.slrow output{font:700 13px/1 var(--mono);color:var(--paper);text-align:right}
.readout{margin-top:18px;border-top:1px dashed var(--line2);padding-top:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.readout .idx{font-family:var(--serif);font-size:38px;font-weight:900;color:var(--gold)}
.readout .lv{font-size:13px;color:var(--mist)}
.formula{font:600 13px/1.7 var(--mono);color:var(--teal);background:rgba(67,224,192,.06);border:1px dashed rgba(67,224,192,.35);
  border-radius:10px;padding:12px 16px;margin-bottom:18px}
.meter{height:14px;border-radius:8px;background:rgba(255,255,255,.06);overflow:hidden;border:1px solid var(--line)}
.meter i{display:block;height:100%;width:50%;background:linear-gradient(90deg,var(--rose),var(--gold),var(--teal));transition:width .5s ease,background .5s}
.metersub{font-size:12.5px;color:var(--faint);margin-top:8px}
.metersub b{color:var(--paper)}
.factorrow{display:grid;grid-template-columns:1fr;gap:6px}
.fhelp{font-size:11.5px;color:var(--faint)}

.calcgrid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));margin-bottom:6px}
.fld label{display:block;font-size:12px;color:var(--faint);margin-bottom:6px;letter-spacing:.06em}
.fld input{width:100%;background:rgba(10,14,31,.8);border:1px solid var(--line2);color:#fff;border-radius:8px;padding:10px 12px;font-size:16px;font-family:var(--mono)}
.fld input:focus{outline:none;border-color:var(--teal)}
.bigresult{font-family:var(--serif);font-weight:900;font-size:clamp(40px,7vw,72px);color:var(--rose);line-height:1.15;margin:10px 0 2px}
.bigresult small{font-size:.35em;color:var(--mist);font-weight:400}
.calnote{font-size:13px;color:var(--mist);max-width:560px}
.calnote b{color:var(--paper)}

.levwrap{display:flex;flex-direction:column;gap:10px;margin:8px 0 14px}
.levbar{position:relative;height:34px;border-radius:8px;background:rgba(255,255,255,.05);border:1px solid var(--line);overflow:visible}
.levbar .fill{position:absolute;left:0;top:0;bottom:0;width:25%;border-radius:8px 0 0 8px;background:linear-gradient(90deg,rgba(67,224,192,.7),rgba(157,134,255,.7))}
.levbar .need{position:absolute;right:12px;top:50%;transform:translateY(-50%);font:700 11px/1 var(--mono);color:var(--gold);white-space:nowrap}
.levbar .mark{position:absolute;left:calc(100% - 1px);top:0;bottom:0;width:2px;background:var(--gold)}
.evA,.evB,.evC{font:700 11px/1 var(--mono);padding:3px 8px;border-radius:10px;letter-spacing:.1em}
.evA{background:rgba(67,224,192,.16);color:var(--teal);border:1px solid rgba(67,224,192,.5)}
.evB{background:rgba(242,200,119,.12);color:var(--gold);border:1px solid rgba(242,200,119,.45)}
.evC{background:rgba(255,157,184,.1);color:var(--rose);border:1px solid rgba(255,157,184,.4)}
.pcards .dcard h4{font-size:16px}
.pcards .dcard .top{align-items:center}
.cheapi{border:1px dashed rgba(67,224,192,.4);border-radius:12px;padding:14px 18px;font-size:13.5px;color:var(--mist);background:rgba(67,224,192,.05)}
.cheapi b{color:var(--teal)}

.anchorbox{text-align:center;max-width:640px;margin:0 auto}
.anchorbox .qline{font-family:var(--serif);color:var(--paper);font-size:clamp(18px,3vw,26px);margin-bottom:18px}
.anchorin{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.anchorin input{flex:1;min-width:220px;background:rgba(10,14,31,.8);border:1px solid var(--line2);color:#fff;border-radius:24px;padding:12px 20px;font-size:15px;font-family:var(--serif)}
.anchorin input:focus{outline:none;border-color:var(--teal)}
#saveAnchor{border:none;border-radius:24px;padding:12px 26px;background:linear-gradient(90deg,var(--teal),var(--violet));color:#061019;font-weight:700;letter-spacing:.1em}
#anchorCard{margin:22px auto 0;display:none;border:1px solid var(--teal);border-radius:14px;padding:20px 26px;
  background:linear-gradient(150deg,rgba(67,224,192,.08),rgba(157,134,255,.08));text-align:left;max-width:460px}
#anchorCard .t{font:10px/1 var(--mono);letter-spacing:.3em;color:var(--teal);margin-bottom:10px}
#anchorCard .v{font-family:var(--serif);font-size:20px;color:#fff}
#anchorCard .d{font-size:12px;color:var(--faint);margin-top:8px}
#anchorCard button{margin-top:12px;background:none;border:1px solid var(--line);color:var(--faint);font-size:11.5px;border-radius:14px;padding:4px 12px}

.finalq{font-family:var(--serif);font-size:clamp(22px,4vw,34px);line-height:1.6;color:#fff;max-width:820px;margin:0 auto;text-align:center;min-height:3.4em;transition:opacity .4s}
.finalq small{display:block;font-size:.42em;color:var(--faint);margin-top:14px;letter-spacing:.08em}
.wikichips{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin-top:30px}
.wikichip{border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13px;color:var(--mist);background:rgba(16,24,48,.4)}
.wikichip b{color:var(--paper);display:block;font-family:var(--serif);margin-bottom:4px}
.wikichip .live{color:var(--teal);font:10px/1 var(--mono);letter-spacing:.2em;margin-left:6px}

footer{border-top:1px solid var(--line);padding:56px 0 90px;margin-top:40px}
footer h6{font:600 12px/1 var(--mono);letter-spacing:.3em;color:var(--teal);margin-bottom:16px}
footer ol{margin:0 0 30px 18px;font-size:13px;color:var(--faint);line-height:2}
footer .fine{font-size:12.5px;color:var(--faint);line-height:1.9;max-width:820px}
footer .fine b{color:var(--mist)}
.bigword{font-family:var(--serif);font-weight:900;text-align:center;font-size:clamp(56px,11vw,140px);color:transparent;
  -webkit-text-stroke:1px rgba(226,234,252,.25);letter-spacing:.12em;margin:70px 0 8px;user-select:none}

.pullquote{margin:56px auto 0;max-width:760px;border-left:3px solid var(--gold);padding:6px 0 6px 22px;
  font-family:var(--serif);font-size:clamp(19px,2.6vw,25px);color:var(--paper);line-height:1.7}
.pullquote small{display:block;font-size:12px;color:var(--faint);margin-top:10px;font-family:var(--sans);letter-spacing:.1em}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}}

/* ---------- 详情页入口 ---------- */
[data-d]{cursor:pointer}
.dlink::after{content:"深度阅读 →";display:block;margin-top:12px;font:600 10.5px/1 var(--mono);letter-spacing:.22em;color:var(--teal);opacity:.62;transition:.3s}
.dlink:hover::after{opacity:1;letter-spacing:.32em}
.dlink:hover{border-color:var(--line2)}
.fbar[data-d]::after,.slrow label[data-d]::after{content:"";display:none}
.fbar[data-d]{outline:1px dashed rgba(67,224,192,.0);transition:.3s}
.fbar[data-d]:hover{outline-color:rgba(67,224,192,.5)}
.slrow label[data-d]{color:var(--teal);text-decoration:underline dotted rgba(67,224,192,.5);text-underline-offset:4px}
.axisnav{font:12px/1 var(--sans);color:var(--faint);letter-spacing:.1em;margin:6px 0 14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.axisnav span{border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:12px;color:var(--mist);transition:.3s}
.axisnav span:hover{color:var(--teal);border-color:var(--teal)}
.dmore{display:inline-block;margin-top:10px;font:600 11px/1 var(--mono);letter-spacing:.22em;color:var(--teal);opacity:.8}
.dmore:hover{opacity:1;letter-spacing:.3em}