:root{
  --bg:#f5f2ea; --surface:#ffffff; --sink:#ece8de;
  --text:#23201a; --text-dim:#6a6255; --text-faint:#9c9484;
  --gold:#9a7a34; --gold-2:#b0894099; --gold-solid:#a9843a; --jade:#487a61; --cinnabar:#a8402f;
  --line:rgba(35,32,25,0.13); --line-soft:rgba(35,32,25,0.06);
  --on-dark:#f7f4ec;
  --serif:"Fraunces",Georgia,serif; --serif-sc:"Noto Serif SC",serif; --sans-sc:"Noto Sans SC",-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--sans-sc);font-weight:400;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{position:relative;z-index:1}

/* i18n */
:root[data-lang="en"] .lz{display:none}
:root[data-lang="zh"] .le{display:none}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(245,242,234,0.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{max-width:1200px;margin:0 auto;padding:15px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;flex-direction:column;flex-shrink:0;cursor:pointer;line-height:1}
.brand b{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.2em}
.brand span{color:var(--text-faint);font-size:10px;letter-spacing:.36em;margin-top:4px}
.navwrap{display:flex;align-items:center;gap:16px;min-width:0}
nav{display:flex;gap:2px;flex-wrap:wrap}
.tab{font-family:var(--sans-sc);font-weight:400;font-size:14px;color:var(--text-dim);background:none;border:none;cursor:pointer;padding:8px 15px;border-radius:7px;letter-spacing:.04em;transition:.22s;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{color:var(--on-dark);background:var(--text)}
.lang{display:flex;border:1px solid var(--line);border-radius:7px;overflow:hidden;flex-shrink:0}
.lang button{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:12px;padding:7px 11px;font-family:var(--serif);letter-spacing:.04em;transition:.2s}
.lang button.on{background:var(--text);color:var(--on-dark)}

main{max-width:1200px;margin:0 auto;padding:0 32px}
.panel{display:none;padding:58px 0 92px;position:relative}
.panel.on{display:block;animation:enter .5s cubic-bezier(.2,.7,.2,1)}
@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.eyebrow{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--gold);letter-spacing:.03em;margin-bottom:12px}
.ptitle{font-family:var(--serif-sc);font-weight:600;font-size:clamp(30px,5vw,52px);line-height:1.12;color:var(--text)}
:root[data-lang="en"] .ptitle{font-family:var(--serif);font-weight:500}
.plead{max-width:680px;color:var(--text-dim);font-size:16px;margin-top:16px}
.rule{height:1px;background:var(--line);margin:34px 0;border:none}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.seen{opacity:1;transform:none}

/* hero */
.hero{padding:64px 0 24px;position:relative}
.hero .big{font-family:var(--serif);font-weight:300;font-size:clamp(38px,7vw,82px);line-height:1.02;letter-spacing:-.015em;color:var(--text)}
.hero .big em{font-style:italic;color:var(--gold)}
:root[data-lang="zh"] .hero .big{font-family:var(--serif-sc);font-weight:600;line-height:1.1;letter-spacing:0}
.hero-sub{max-width:640px;color:var(--text-dim);margin-top:26px;font-size:17px}
.hero-tags{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.chip{font-family:var(--serif);font-style:italic;font-size:13px;letter-spacing:.04em;padding:6px 15px;border:1px solid var(--line);border-radius:999px;color:var(--text-dim)}

/* grid */
.grid{display:grid;gap:20px;position:relative;z-index:1}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;position:relative;overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s,box-shadow .35s;box-shadow:0 1px 2px rgba(35,32,25,.04)}
.card:hover{transform:translateY(-4px);border-color:rgba(35,32,25,.22);box-shadow:0 18px 40px -26px rgba(35,32,25,.35)}

/* section headers */
.section-h{font-family:var(--serif-sc);font-weight:600;font-size:23px;margin:44px 0 8px;color:var(--text)}
:root[data-lang="en"] .section-h{font-family:var(--serif);font-weight:500}
.section-sub{color:var(--text-faint);font-size:13.5px;margin-bottom:24px;font-family:var(--serif);font-style:italic}

/* product matrix */
.mblock{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--surface);margin-bottom:20px;box-shadow:0 1px 2px rgba(35,32,25,.04)}
.mb-head{margin-bottom:22px}
.mb-head b{font-family:var(--serif-sc);font-weight:600;font-size:19px;color:var(--text)}
:root[data-lang="en"] .mb-head b{font-family:var(--serif);font-weight:500}
.mb-head small{font-family:var(--serif);font-style:italic;color:var(--text-faint);font-size:13px}
.ptile{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;cursor:pointer;transition:.3s;position:relative;overflow:hidden}
.ptile:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 16px 36px -26px rgba(35,32,25,.4)}
.ptile .ptag{font-family:var(--serif);font-style:italic;font-size:11px;letter-spacing:.1em;color:var(--gold);text-transform:uppercase}
.ptile .pnm{font-family:var(--serif);font-weight:600;font-size:22px;margin:6px 0 3px;color:var(--text)}
.ptile .pcn{font-family:var(--serif-sc);color:var(--text-dim);font-size:13.5px}
.ptile .pd{color:var(--text-dim);font-size:13.5px;margin-top:12px}
.ptile .plink{margin-top:14px;font-size:12.5px;color:var(--gold);font-family:var(--serif);font-style:italic;display:inline-flex;align-items:center;gap:6px;transition:.3s}
.ptile:hover .plink{gap:11px}
.pstat{font-size:11px;letter-spacing:.06em;padding:3px 9px;border-radius:6px;border:1px solid var(--line);position:absolute;top:22px;right:22px}
.pstat.live{color:var(--jade);border-color:rgba(72,122,97,.4)}
.pstat.soon{color:var(--gold);border-color:rgba(154,122,52,.4)}
.converge{text-align:center;color:var(--text-faint);font-family:var(--serif);font-style:italic;font-size:13px;margin:18px 0 14px;letter-spacing:.03em}
.converge::before,.converge::after{content:"";display:inline-block;width:40px;height:1px;background:var(--line);vertical-align:middle;margin:0 12px}
.unified{border-radius:14px;padding:26px 30px;text-align:center;background:linear-gradient(120deg,rgba(154,122,52,.10),rgba(72,122,97,.07));border:1px solid var(--line)}
.unified b{font-family:var(--serif-sc);font-weight:600;font-size:clamp(19px,3vw,26px);color:var(--gold)}
:root[data-lang="en"] .unified b{font-family:var(--serif);font-weight:500}
.unified small{display:block;color:var(--text-dim);font-size:13.5px;margin-top:8px;line-height:1.6}
.mblock.phys{background:linear-gradient(165deg,rgba(72,122,97,.05),var(--surface))}
.mblock.phys .mb-head b{color:var(--jade)}
.fulu-anchor{display:flex;gap:24px;align-items:center;cursor:pointer;transition:.3s;border-radius:12px}
.fulu-anchor:hover{transform:translateX(5px)}
.fulu-anchor .fa-l{flex:1}
.fulu-anchor .fa-nm{font-family:var(--serif);font-weight:600;font-size:26px;color:var(--text)}
.fulu-anchor .fa-cn{font-family:var(--serif-sc);color:var(--text-dim);font-size:14px;margin:3px 0 10px}
.fulu-anchor .fa-d{color:var(--text-dim);font-size:14px}
.fulu-anchor .fa-arrow{font-size:24px;color:var(--jade);transition:.3s}
.fulu-anchor:hover .fa-arrow{transform:translateX(5px)}
@media(max-width:640px){.fulu-anchor{flex-direction:column;align-items:flex-start;gap:12px}}

/* feature chips */
.feat{display:flex;flex-wrap:wrap;gap:8px}
.feat span{font-size:12.5px;color:var(--text);padding:5px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}

/* product detail */
.back{display:inline-flex;align-items:center;gap:8px;background:none;border:1px solid var(--line);color:var(--text-dim);border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;font-family:var(--sans-sc);transition:.25s;margin-bottom:26px}
.back:hover{border-color:var(--text);color:var(--text)}
.dhero{position:relative}
.dtag{font-family:var(--serif);font-style:italic;font-size:13px;letter-spacing:.1em;color:var(--gold);text-transform:uppercase}
.dname{font-family:var(--serif);font-weight:600;font-size:clamp(36px,6vw,62px);line-height:1;margin:10px 0 4px;color:var(--text)}
.dsub{font-family:var(--serif-sc);font-weight:500;font-size:clamp(18px,2.6vw,24px);color:var(--text)}
.dlead{max-width:680px;color:var(--text-dim);font-size:16px;margin-top:18px}
.first-badge{display:inline-block;font-family:var(--serif);font-style:italic;font-size:12.5px;color:#fff;background:var(--gold-solid);padding:4px 13px;border-radius:999px;margin-bottom:14px;letter-spacing:.03em}

/* comparison table */
.twrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.cmp{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;background:var(--surface)}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line-soft)}
.cmp thead th{font-family:var(--serif);font-style:italic;color:var(--text-faint);font-weight:400;font-size:12.5px}
.cmp thead th.us{color:var(--gold);font-style:normal;font-family:var(--serif-sc);font-weight:600}
.cmp tbody th{font-weight:400;color:var(--text-dim);font-size:13px}
.cmp td.us{color:var(--text);background:rgba(154,122,52,.06)}
.cmp td.y{color:var(--jade)} .cmp td.n{color:var(--cinnabar)}
.cmp tr:last-child td,.cmp tr:last-child th{border-bottom:none}

/* pull / stat mini */
.pull{font-family:var(--serif-sc);font-weight:500;font-size:19px;color:var(--text);border-left:2px solid var(--gold);padding-left:18px;margin:0;line-height:1.55}
:root[data-lang="en"] .pull{font-family:var(--serif);font-style:italic}
.stat-row{display:flex;gap:30px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft)}
.stat-mini b{font-family:var(--serif);font-weight:500;font-size:28px;color:var(--gold);display:block;line-height:1}
.stat-mini span{font-size:12px;color:var(--text-faint)}

/* research */
.article{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px 34px;position:relative;transition:.35s;box-shadow:0 1px 2px rgba(35,32,25,.04)}
.article:hover{border-color:rgba(35,32,25,.22)}
.art-meta{display:flex;gap:14px;align-items:center;font-family:var(--serif);font-style:italic;font-size:12.5px;color:var(--gold);letter-spacing:.04em;margin-bottom:12px}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold)}
.art-title{font-family:var(--serif-sc);font-weight:600;font-size:24px;line-height:1.3;margin-bottom:14px;color:var(--text)}
:root[data-lang="en"] .art-title{font-family:var(--serif);font-weight:500}
.art-body{color:var(--text-dim);font-size:15px}
.art-body p{margin-bottom:12px}
.art-body strong{color:var(--text);font-weight:600}

/* stats grid */
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
@media(max-width:860px){.statgrid{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--surface);padding:26px 22px}
.stat .num{font-family:var(--serif);font-weight:400;font-size:clamp(28px,4vw,42px);color:var(--gold);line-height:1}
.stat .num em{font-style:normal;font-size:.55em;color:var(--text-dim)}
.stat .lbl{font-size:13px;color:var(--text-dim);margin-top:8px}
.stat .src{font-size:10.5px;color:var(--text-faint);margin-top:4px;font-family:var(--serif);font-style:italic}

/* funnel */
.funnel{display:flex;flex-direction:column;gap:14px;max-width:720px}
.tier{position:relative;border-radius:12px;padding:22px 26px;overflow:hidden;border:1px solid var(--line)}
.tier .lay{position:absolute;inset:0;z-index:0}
.tier>*{position:relative;z-index:1}
.tier .tag{font-family:var(--serif);font-style:italic;font-size:12px;letter-spacing:.1em;color:var(--gold)}
.tier .amt{font-family:var(--serif);font-weight:500;font-size:clamp(26px,4vw,40px);line-height:1;margin:4px 0;color:var(--text)}
.tier .desc{font-size:13px;color:var(--text-dim)}
.tier.tam .lay{background:rgba(154,122,52,.10)}
.tier.sam{margin-left:8%}.tier.sam .lay{background:rgba(72,122,97,.10)}
.tier.som{margin-left:16%}.tier.som .lay{background:rgba(168,64,47,.09)}
@media(max-width:640px){.tier.sam,.tier.som{margin-left:0}}

/* persona */
.persona{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border:1px solid var(--line);border-radius:11px;background:var(--surface);transition:.3s}
.persona:hover{border-color:rgba(35,32,25,.22);transform:translateX(4px)}
.persona b{font-family:var(--serif);font-weight:500;font-size:16px;color:var(--text)}
.persona small{color:var(--text-faint);display:block;font-size:12px}
.persona .reach{font-family:var(--serif);font-style:italic;color:var(--gold);font-size:20px}

/* matrix chart */
.matrix{position:relative;height:440px;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.matrix .axis{position:absolute;font-family:var(--serif);font-style:italic;font-size:12px;color:var(--text-faint)}
.matrix .ax-x{bottom:12px;right:20px}.matrix .ax-x2{bottom:12px;left:20px}
.matrix .ax-y{top:14px;left:16px}.matrix .ax-y2{bottom:40px;left:16px}
.matrix .cross{position:absolute;background:var(--line-soft)}
.matrix .cx{left:50%;top:0;bottom:0;width:1px}.matrix .cy{top:50%;left:0;right:0;height:1px}
.dotc{position:absolute;transform:translate(-50%,-50%);text-align:center}
.dotc i{display:block;width:13px;height:13px;border-radius:50%;margin:0 auto 6px}
.dotc b{font-size:12.5px;font-family:var(--serif);font-weight:500;white-space:nowrap}
.dotc.us i{width:18px;height:18px;background:var(--gold-solid);box-shadow:0 0 0 6px rgba(154,122,52,.14)}
.dotc.us b{color:var(--gold)}
.dotc.o i{background:var(--text-faint)}.dotc.o b{color:var(--text-dim)}
@media(max-width:640px){.matrix{height:360px}.dotc b{font-size:10.5px}}

/* finance */
.fin-top{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
@media(max-width:860px){.fin-top{grid-template-columns:1fr}}
.sim{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 1px 2px rgba(35,32,25,.04)}
.sim h3{font-family:var(--serif-sc);font-weight:600;font-size:22px;margin-bottom:4px;color:var(--text)}
:root[data-lang="en"] .sim h3{font-family:var(--serif);font-weight:500}
.sim .hint{font-size:13px;color:var(--text-faint);margin-bottom:22px;font-family:var(--serif);font-style:italic}
.sld{margin-bottom:20px}
.sld .top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.sld .top label{font-size:14px;color:var(--text-dim)}
.sld .top .v{font-family:var(--serif);font-weight:500;font-size:17px;color:var(--gold)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:3px;background:var(--sink);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--gold-solid);cursor:pointer;box-shadow:0 1px 4px rgba(35,32,25,.25);transition:.15s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--gold-solid);cursor:pointer}
.sim-split{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:6px}
.sim-split h4{font-family:var(--serif);font-style:italic;font-size:14px;letter-spacing:.04em;color:var(--jade);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--line-soft)}
@media(max-width:560px){.sim-split{grid-template-columns:1fr}}
.readout{background:var(--text);color:var(--on-dark);border-radius:16px;padding:30px;display:flex;flex-direction:column}
.ro-big{font-family:var(--serif);font-weight:400;font-size:clamp(34px,5vw,52px);color:#e7c579;line-height:1}
.ro-lbl{font-size:13px;color:#b8ae98;margin:6px 0 26px}
.ro-years{display:flex;flex-direction:column;gap:14px;flex:1}
.yr{display:flex;align-items:center;gap:12px}
.yr .yl{font-family:var(--serif);font-style:italic;font-size:13px;color:#8f8672;width:34px;flex-shrink:0}
.yr .track{flex:1;height:26px;background:rgba(255,255,255,.07);border-radius:6px;overflow:hidden;position:relative}
.yr .fill{height:100%;width:0;border-radius:6px;background:linear-gradient(90deg,#a9843a,#e7c579);transition:width .9s cubic-bezier(.2,.8,.2,1)}
.yr .yv{font-family:var(--serif);font-weight:500;font-size:15px;color:var(--on-dark);width:92px;text-align:right;flex-shrink:0}
.ro-note{font-size:11.5px;color:#8f8672;margin-top:20px;font-family:var(--serif);font-style:italic;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}
.fund{display:flex;flex-direction:column;gap:16px}
.fund .row{display:flex;align-items:center;gap:16px}
.fund .row .pn{width:130px;font-size:13.5px;color:var(--text-dim);flex-shrink:0}
.fund .row .bar{flex:1;height:14px;background:var(--sink);border-radius:5px;overflow:hidden}
.fund .row .bf{height:100%;border-radius:5px;width:0;transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
.fund .row .pp{font-family:var(--serif);font-weight:500;width:44px;text-align:right;color:var(--gold)}
.ledger{width:100%;border-collapse:collapse;font-size:14px}
.ledger td,.ledger th{padding:12px 8px;border-bottom:1px solid var(--line-soft);text-align:left}
.ledger th{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--text-faint);font-size:12.5px}
.ledger td.n{text-align:right;font-family:var(--serif);font-weight:500;color:var(--text)}
.ledger td.neg{color:var(--cinnabar)}
.ledger .sub td{color:var(--text-dim)}
.ledger tr.total td{border-top:1px solid var(--line);border-bottom:none;color:var(--text)}
.ledger tr.total td.n{color:var(--gold);font-size:16px}
.cap{display:flex;height:44px;border-radius:9px;overflow:hidden;border:1px solid var(--line);margin-top:8px}
.cap div{display:grid;place-items:center;font-size:13px;font-family:var(--serif);font-weight:500}

/* team */
.member{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;transition:.35s;position:relative;box-shadow:0 1px 2px rgba(35,32,25,.04)}
.member:hover{border-color:rgba(35,32,25,.22);transform:translateY(-4px)}
.member .ini{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:19px;color:#fff;background:var(--gold-solid);margin-bottom:18px}
.member .mn{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--text)}
.member .mcn{font-family:var(--serif-sc);color:var(--text-dim);font-size:14px;margin-top:2px}
.member .mrole{color:var(--gold);font-family:var(--serif);font-style:italic;font-size:14px;margin:14px 0 6px}
.member .mbio{color:var(--text-dim);font-size:13.5px}
.member.adv .ini{background:var(--jade)}
.member.adv .mrole{color:var(--jade)}

footer{border-top:1px solid var(--line);padding:38px 32px;text-align:center;color:var(--text-faint);font-size:13px}
footer b{font-family:var(--serif);font-weight:500;color:var(--text-dim);letter-spacing:.08em}
footer a{color:var(--gold);text-decoration:none}

/* mobile */
@media(max-width:760px){
  .bar{flex-wrap:wrap;padding:12px 16px;gap:10px}
  .brand b{font-size:19px}
  .navwrap{order:3;width:100%;justify-content:space-between}
  nav{flex-wrap:nowrap;overflow-x:auto;gap:2px;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
  nav::-webkit-scrollbar{display:none}
  .tab{padding:8px 12px;font-size:13px}
  main{padding:0 16px}
  .panel{padding:38px 0 66px}
  .hero{padding:40px 0 16px}
  .mblock{padding:22px 18px}
  .article{padding:26px 22px}
  .sim,.readout{padding:24px 20px}
  .stat-row{gap:22px}
}