*{box-sizing:border-box}
:root{--bg:#f7f6f2;--paper:#fbfaf7;--ink:#171717;--muted:#666;--line:#c9c7c0;--soft:#eceae4;--white:#fff;--max:1180px}
html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Georgia,'Times New Roman',serif;line-height:1.55}body:before{content:'';position:fixed;inset:0;pointer-events:none;opacity:.018;background-image:linear-gradient(rgba(0,0,0,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.7) 1px,transparent 1px);background-size:72px 72px;z-index:0}.noise{display:none}a{color:inherit;text-decoration:none}
.nav{height:82px;max-width:var(--max);margin:auto;padding:0 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(247,246,242,.96);backdrop-filter:blur(8px);z-index:10}.brand{display:flex;align-items:center;gap:11px;font:500 11px 'DM Mono',monospace;letter-spacing:.08em}.brand-mark{width:29px;height:29px;border:1px solid #555;border-radius:50%;display:grid;place-items:center;font-family:Georgia,serif;font-size:15px}.nav-links{display:flex;gap:19px;font:500 10px 'DM Mono',monospace;color:#555;text-transform:uppercase;letter-spacing:.04em}.nav-links a{padding:7px 0;border-bottom:1px solid transparent}.nav-links a:hover{border-color:#222;color:#111}.lang{display:flex;border:1px solid var(--line);padding:3px;border-radius:2px}.lang button{border:0;background:none;color:#777;font:500 9px 'DM Mono',monospace;padding:6px 7px;cursor:pointer}.lang button.active{background:#181818;color:#fff}
.hero{min-height:calc(100vh - 82px);max-width:var(--max);margin:auto;padding:110px 26px 35px;position:relative;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;overflow:hidden}.hero-copy{position:relative;z-index:2}.eyebrow{font:500 9px 'DM Mono',monospace;letter-spacing:.13em;color:#777;margin-bottom:25px;text-transform:uppercase}.hero h1{font-size:clamp(58px,8vw,105px);line-height:.94;letter-spacing:-.055em;margin:0;font-weight:400;max-width:850px}.hero h1 em,.section h2 em{font-style:italic}.lead{max-width:650px;font-size:clamp(18px,2vw,22px);line-height:1.45;color:#555;margin:30px 0 0}.hero-actions{display:flex;gap:10px;margin-top:35px}.button{height:45px;padding:0 17px;border:1px solid #444;display:inline-flex;align-items:center;gap:18px;font:500 10px 'DM Mono',monospace;text-transform:uppercase;letter-spacing:.04em;transition:.2s}.button.primary{background:#171717;color:#fff;border-color:#171717}.button.ghost:hover{background:#171717;color:#fff}.button.primary:hover{background:#333}.hero-foot{position:absolute;bottom:28px;left:26px;right:26px;display:flex;justify-content:space-between;color:#777;font:400 8px 'DM Mono',monospace;letter-spacing:.1em;border-top:1px solid var(--line);padding-top:11px}.hero-orbit{position:absolute;width:500px;height:500px;right:-20px;top:50%;transform:translateY(-50%);opacity:.42}.orbit{position:absolute;border:1px solid #777;border-radius:50%;inset:0;transform:rotate(28deg)}.orbit-2{inset:72px;transform:rotate(-42deg);border-color:#999}.orbit-3{inset:145px;transform:rotate(65deg);border-color:#aaa}.core{position:absolute;left:50%;top:50%;width:72px;height:72px;transform:translate(-50%,-50%);border-radius:50%;background:#181818}.core:after{content:'AI';position:absolute;inset:0;display:grid;place-items:center;color:#fff;font:500 11px 'DM Mono',monospace}.node{position:absolute;width:6px;height:6px;background:#222;border-radius:50%}.n1{left:13%;top:27%}.n2{right:12%;top:20%}.n3{right:5%;bottom:27%}.n4{left:22%;bottom:11%}
.section{max-width:var(--max);margin:auto;padding:125px 26px;position:relative;z-index:1}.research{background:var(--paper);color:var(--ink);max-width:none;padding-left:max(26px,calc((100vw - var(--max))/2 + 26px));padding-right:max(26px,calc((100vw - var(--max))/2 + 26px));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.research .eyebrow{color:#777}.section-head{max-width:900px}.section-head h2{font-size:clamp(42px,5.8vw,75px);line-height:.98;letter-spacing:-.045em;font-weight:400;margin:0 0 62px}.cards{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid #aaa}.card{min-height:365px;padding:20px 20px 25px 0;border-right:1px solid #ccc}.card+.card{padding-left:20px}.card:last-child{border-right:0}.card-top{display:flex;justify-content:space-between;color:#777;font:500 9px 'DM Mono',monospace}.card-top b{font-weight:400}.glyph{font-size:42px;line-height:1;margin:46px 0 34px;color:#555}.card h3{font:400 20px/1.1 Georgia,'Times New Roman',serif;margin:0 0 12px}.card p{max-width:225px;color:#666;font-size:12px;margin:0}
.dark-section{background:#1a1a1a;color:#f5f4ef;border-top:1px solid #111;border-bottom:1px solid #111}.method{padding-top:120px;padding-bottom:120px}.method .eyebrow{color:#aaa}.method .section-head h2{max-width:900px}.method-lead{max-width:610px;color:#aaa;font-size:17px;margin:-25px 0 65px}.levels{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #555}.level{min-height:280px;padding:25px 30px 30px 0;border-right:1px solid #555}.level+.level{padding-left:30px}.level:last-child{border:0;padding-right:0}.level-no{color:#eee;font:500 20px 'DM Mono',monospace;margin-bottom:42px}.level h3{font:400 23px/1.1 Georgia,serif;margin:0 0 13px}.level p{color:#aaa;max-width:300px;font-size:13px}.level-muted{position:relative;opacity:1;background:linear-gradient(180deg,rgba(255,255,255,.07),transparent 75%);border-left:1px solid #888}.level-muted:after{content:'STOP / AUTHORIZATION REQUIRED';position:absolute;right:0;top:25px;color:#eee;font:500 8px 'DM Mono',monospace;letter-spacing:.1em}.level-muted .level-no{color:#fff}.level-muted h3{color:#fff}.level-muted p{color:#aaa}
.manifesto{display:grid;grid-template-columns:170px 1fr 350px;gap:45px;align-items:end}.manifesto-mark{font:400 45px Georgia,serif;color:#222;align-self:start}.manifesto-copy h2{font-size:clamp(42px,5.4vw,70px);line-height:.97;letter-spacing:-.045em;font-weight:400;margin:0}.manifesto-copy p{max-width:650px;color:#666;font-size:16px;margin:28px 0 0}.principle-quote{border-left:1px solid #888;padding:0 0 0 25px;color:#333;font:500 12px/1.6 'DM Mono',monospace}
.field{background:var(--paper);color:var(--ink);max-width:none;padding-left:max(26px,calc((100vw - var(--max))/2 + 26px));padding-right:max(26px,calc((100vw - var(--max))/2 + 26px));display:grid;grid-template-columns:170px 1fr 260px;gap:45px;align-items:end;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.field .eyebrow{color:#777}.field h2{font-size:clamp(42px,5vw,67px);line-height:.96;letter-spacing:-.045em;font-weight:400;margin:0}.field p{max-width:610px;color:#666;font-size:16px;margin:27px 0 0}.field-number{font:500 10px/1.5 'DM Mono',monospace;color:#777;letter-spacing:.08em;align-self:start}.field-stat{border-top:1px solid #aaa;padding-top:14px;color:#777;font:500 9px 'DM Mono',monospace}.field-stat strong{display:block;color:#171717;font:400 85px/.7 'DM Mono',monospace;margin-bottom:28px}
.collaboration{padding-bottom:120px}.collab-intro{max-width:720px;color:#666;font-size:18px;margin:-25px 0 65px}.collab-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #555}.collab-card{min-height:310px;padding:22px 30px 28px 0;border-right:1px solid #555}.collab-card+.collab-card{padding-left:30px}.collab-card:last-child{border-right:0}.collab-card>span{font:500 11px 'DM Mono',monospace;color:#777}.collab-card h3{font:400 26px/1.05 Georgia,serif;margin:65px 0 14px}.collab-card p{color:#777;max-width:320px;font-size:13px;margin:0 0 23px}.share-section{background:#1a1a1a;color:#f5f4ef;border-top:1px solid #111}.share-grid{display:grid;grid-template-columns:1fr 390px;gap:80px;align-items:start}.share h2{font-size:clamp(44px,6vw,78px);line-height:.95;letter-spacing:-.05em;font-weight:400;margin:0}.share p{max-width:700px;color:#aaa;font-size:16px;margin:28px 0 0}.share-box{border:1px solid #555;padding:23px}.share-box-head{display:flex;justify-content:space-between;color:#999;font:500 8px 'DM Mono',monospace;letter-spacing:.1em;padding-bottom:17px;border-bottom:1px solid #444}.share-box p{font-size:13px;margin:23px 0 28px;color:#aaa}.contact-final{background:#f7f6f2;color:#171717;border-top:1px solid var(--line)}.contact-section{border-top:1px solid var(--line)}.contact{min-height:540px;display:flex;flex-direction:column;justify-content:center}.contact h2{font-size:clamp(58px,8vw,105px);line-height:.9;letter-spacing:-.055em;font-weight:400;margin:0}.contact p{max-width:580px;color:#666;font-size:17px;margin:28px 0}.contact-link{font:500 10px 'DM Mono',monospace;display:inline-flex;gap:18px;width:max-content;border-bottom:1px solid #777;padding-bottom:6px;text-transform:uppercase}.contact-link:hover{border-color:#111}
.sponsors-section{background:var(--paper);color:#171717;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sponsors .eyebrow{color:#777}.sponsors-head{display:grid;grid-template-columns:1fr 320px;gap:70px;align-items:end}.sponsors h2,.media h2{font-size:clamp(46px,6vw,78px);line-height:.95;letter-spacing:-.05em;font-weight:400;margin:0}.sponsors-head p{max-width:700px;color:#666;font-size:16px;margin:28px 0 0}.sponsor-note{border-left:1px solid #999;padding-left:24px;color:#555}.sponsor-note span{display:block;font:500 8px 'DM Mono',monospace;letter-spacing:.12em;margin-bottom:22px}.sponsor-note strong{font:400 15px/1.45 Georgia,serif;color:#222}.sponsor-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #bbb;border-bottom:1px solid #bbb;margin:70px 0 28px}.sponsor-slot{min-height:170px;padding:20px 18px 22px 0;border-right:1px solid #ccc;display:flex;flex-direction:column}.sponsor-slot+.sponsor-slot{padding-left:18px}.sponsor-slot:last-child{border-right:0}.sponsor-slot span{font:500 9px 'DM Mono',monospace;color:#888}.sponsor-slot b{font:400 16px Georgia,serif;margin-top:auto}.sponsor-slot small{color:#777;font-size:11px;margin-top:7px}
.media-section{border-top:1px solid #111;background:#1a1a1a;color:#f5f4ef}.media-grid{display:grid;grid-template-columns:1fr 400px;gap:80px;align-items:end}.media .eyebrow{color:#aaa}.media p{max-width:650px;color:#aaa;font-size:17px;margin:28px 0 0}.media-box{border:1px solid #555;padding:24px;display:flex;flex-direction:column;gap:24px}.media-box>span{color:#999;font:500 8px 'DM Mono',monospace;letter-spacing:.12em}.media-box strong{font:400 17px/1.4 Georgia,serif}.media-box .contact-link{color:#fff;border-color:#777;width:max-content}
footer{max-width:var(--max);margin:auto;padding:24px 26px 38px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#777;font:400 8px 'DM Mono',monospace;letter-spacing:.08em}
@media(max-width:1050px){.nav-links{gap:11px}.hero{grid-template-columns:1fr}.hero-orbit{right:-170px;opacity:.25}.cards{grid-template-columns:1fr 1fr}.card{min-height:330px}.card:nth-child(2n){border-right:0}.card:nth-child(n+3){border-top:1px solid #ccc}.card:nth-child(3){padding-left:0}.collab-grid{grid-template-columns:1fr}.collab-card{border-right:0;border-bottom:1px solid #555}.collab-card+.collab-card{padding-left:0}.collab-card:last-child{border-bottom:0}.share-grid,.media-grid{grid-template-columns:1fr}.share-box,.media-box{max-width:560px}.sponsors-head{grid-template-columns:1fr}.sponsor-note{margin-top:28px}.sponsor-grid{grid-template-columns:1fr 1fr}.sponsor-slot:nth-child(2){border-right:0}.sponsor-slot:nth-child(n+3){border-top:1px solid #ccc}.manifesto{grid-template-columns:1fr}.manifesto-mark{display:none}.field{grid-template-columns:1fr}.field-number{display:none}}
@media(max-width:900px){.nav-links{display:none}}
@media(max-width:600px){.nav{padding:0 16px}.brand span:last-child{font-size:8px}.lang button{padding:6px 5px}.hero{padding:70px 18px 90px;min-height:calc(100vh - 82px)}.hero h1{font-size:58px}.hero-orbit{width:400px;height:400px;right:-250px;top:64%}.hero-foot{left:18px;right:18px}.hero-foot span:nth-child(2){display:none}.section,.method{padding:88px 18px}.research,.field{padding-left:18px;padding-right:18px}.cards{grid-template-columns:1fr}.card,.card+.card,.card:last-child{border-right:0;border-top:0!important;border-bottom:1px solid #ccc;padding:23px 0;min-height:0}.card:last-child{border-bottom:0}.glyph{margin:28px 0}.levels{grid-template-columns:1fr}.level,.level+.level,.level:last-child{border-right:0;border-bottom:1px solid #555;padding:26px 0;min-height:0}.level:last-child{border-bottom:0}.field{display:block}.field-stat{margin-top:45px}.contact{min-height:500px}.collaboration{padding-bottom:85px}.collab-card{min-height:0;padding:23px 0 32px}.collab-card h3{margin:38px 0 14px}.share-grid{gap:40px}.share-box{padding:18px}.sponsor-grid{grid-template-columns:1fr}.sponsor-slot,.sponsor-slot+.sponsor-slot{border-right:0;border-top:0;border-bottom:1px solid #ccc;padding:21px 0;min-height:135px}.sponsor-slot:last-child{border-bottom:0}.sponsors-head{gap:32px}.media-grid{gap:40px}footer{padding:23px 18px;display:block}footer span{display:block;margin:6px 0}}


/* Mobile language-switch layout stabilization */
@media (max-width: 760px){
  .site-header{
    min-height:64px;
    height:64px;
    box-sizing:border-box;
  }

  .site-header .nav,
  .site-header nav{
    flex-wrap:nowrap;
    min-width:0;
  }

  .site-header .nav a,
  .site-header nav a{
    white-space:nowrap;
  }

  .site-header .lang,
  .site-header .language,
  .site-header .lang-switcher,
  .site-header .language-switcher{
    flex:0 0 auto;
    white-space:nowrap;
  }

  .hero,
  .hero-section{
    margin-top:0 !important;
    padding-top:clamp(34px, 8vw, 52px);
  }

  /* Language changes must not create a transient empty strip between header and hero. */
  body{
    overflow-x:hidden;
  }
}

/* CJK typography + mobile language-switch stability */
html[lang="zh"] body{font-family:"Noto Serif SC","Songti SC","STSong",SimSun,Georgia,"Times New Roman",serif;}
html[lang="zh"] .nav,html[lang="zh"] .brand,html[lang="zh"] .nav-links,html[lang="zh"] .lang button,html[lang="zh"] .eyebrow,html[lang="zh"] .button,html[lang="zh"] .hero-foot,html[lang="zh"] .card-top,html[lang="zh"] .level-no,html[lang="zh"] .principle-quote,html[lang="zh"] .field-number,html[lang="zh"] .field-stat,html[lang="zh"] .collab-card>span,html[lang="zh"] .share-box-head,html[lang="zh"] .contact-link,html[lang="zh"] footer{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;}
@media(max-width:600px){
  .nav{height:64px;min-height:64px;padding:0 16px;}
  .hero{min-height:0;height:auto;align-items:start;padding:48px 18px 90px;}
  .hero-copy{width:100%;}
  .hero h1{min-height:2.0em;}
  html[lang="zh"] .hero h1{font-size:56px;line-height:1.02;min-height:2.05em;}
  .eyebrow{min-height:1.2em;}
}


/* Language selector: equal-width cells for RU / EN / DE / ES / 中文 */
.lang{
  display:grid;
  grid-template-columns:repeat(5, 42px);
  padding:3px;
  width:max-content;
  box-sizing:border-box;
}
.lang button{
  width:42px;
  min-width:42px;
  height:28px;
  padding:0;
  display:grid;
  place-items:center;
  box-sizing:border-box;
  line-height:1;
  white-space:nowrap;
}
@media(max-width:600px){
  .lang{
    grid-template-columns:repeat(5, 36px);
    padding:3px;
  }
  .lang button{
    width:36px;
    min-width:36px;
    height:26px;
    font-size:8px;
  }
}


/* Research glyphs: identical geometry and optical baseline */
.glyph{
  width:48px;
  height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:38px;
  line-height:48px;
  font-family:Georgia,"Times New Roman",serif;
  box-sizing:border-box;
}


@media(max-width:600px){
  .nav{
    height:64px;
    min-height:64px;
    box-sizing:border-box;
    gap:10px;
  }
  .brand{
    min-width:0;
    flex:1 1 auto;
    overflow:hidden;
  }
  .brand span:last-child{
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .lang{
    flex:0 0 auto;
  }
}

/* v0.3 expanded agenda + founding support */
.cards{grid-template-columns:repeat(4,1fr)}
.card{min-height:330px}
.card:nth-child(4n){border-right:0}
.card:nth-child(n+5){border-top:1px solid #ccc}
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #aaa;border-bottom:1px solid #aaa;margin:70px 0 28px}
.support-card{min-height:250px;padding:25px 24px 28px 0;border-right:1px solid #ccc;display:flex;flex-direction:column}
.support-card+.support-card{padding-left:24px}
.support-card:last-child{border-right:0}
.support-card .support-amount{font:500 30px "DM Mono",monospace;letter-spacing:-.04em}
.support-card b{font:400 16px Georgia,serif;margin-top:42px}
.support-card small{color:#666;font-size:12px;max-width:270px;margin-top:8px}
.support-card em{font:500 9px "DM Mono",monospace;font-style:normal;text-transform:uppercase;margin-top:auto;padding-top:25px}
.support-card:hover{background:#f1efe9}
.support-card.featured{background:#181818;color:#fff;border-color:#181818}
.support-card.featured small{color:#aaa}
.support-lower{display:grid;grid-template-columns:1fr 390px;gap:80px;align-items:start;margin-top:55px}
.support-lower>div:first-child>b{font:400 22px Georgia,serif}
.support-lower>div:first-child>p{max-width:700px;color:#666;font-size:16px;margin:16px 0 0}
.support-box{border:1px solid #bbb;padding:23px;display:flex;flex-direction:column;gap:18px}
.support-box>span{font:500 8px "DM Mono",monospace;color:#777;letter-spacing:.12em}
.support-box strong{font:400 17px/1.4 Georgia,serif}
.programs{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #aaa}
.program-grid article{min-height:250px;padding:22px 22px 25px 0;border-right:1px solid #ccc}
.program-grid article+article{padding-left:22px}
.program-grid article:last-child{border-right:0}
.program-grid article>span{font:500 9px "DM Mono",monospace;color:#777}
.program-grid h3{font:400 24px/1.05 Georgia,serif;margin:55px 0 12px}
.program-grid p{font-size:12px;color:#666;max-width:260px;margin:0}
@media(max-width:1050px){.cards{grid-template-columns:1fr 1fr}.card:nth-child(2n){border-right:0}.card:nth-child(n+3){border-top:1px solid #ccc}.support-grid,.program-grid{grid-template-columns:1fr 1fr}.support-card:nth-child(2n){border-right:0}.support-card:nth-child(n+3){border-top:1px solid #ccc}.program-grid article:nth-child(2n){border-right:0}.program-grid article:nth-child(n+3){border-top:1px solid #ccc}.support-lower{grid-template-columns:1fr}}
@media(max-width:600px){.cards,.support-grid,.program-grid{grid-template-columns:1fr}.card,.card:nth-child(n),.support-card,.support-card+.support-card,.program-grid article,.program-grid article+article{border-right:0;border-top:0;border-bottom:1px solid #ccc;padding:23px 0;min-height:0}.card:last-child,.support-card:last-child,.program-grid article:last-child{border-bottom:0}.support-grid{margin:45px 0 28px}.support-card .support-amount{font-size:26px}.support-card b{margin-top:28px}.program-grid article h3{margin:35px 0 12px}}

/* v0.4 — sponsor wall */
.sponsor-wall{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sponsor-wall-head{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:end;margin-bottom:45px}
.sponsor-wall-head h2{font:400 58px/.95 Georgia,serif;letter-spacing:-.035em;margin:0}
.sponsor-wall-head p{max-width:520px;color:#666;font-size:15px;margin:0}
.logo-placeholder{height:170px;border:1px dashed #aaa;display:grid;place-items:center;background:repeating-linear-gradient(135deg,transparent,transparent 12px,rgba(0,0,0,.025) 12px,rgba(0,0,0,.025) 13px)}
.logo-placeholder span{font:500 10px "DM Mono",monospace;letter-spacing:.18em;color:#888}
.sponsor-wall-note{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:18px 0;font:500 9px "DM Mono",monospace;text-transform:uppercase}
.sponsor-wall-note .contact-link{font-size:9px}
@media(max-width:700px){
  .sponsor-wall-head{grid-template-columns:1fr;gap:25px}
  .sponsor-wall-head h2{font-size:42px}
  .logo-placeholder{height:120px}
  .sponsor-wall-note{display:block}
  .sponsor-wall-note .contact-link{display:block;margin-top:15px}
}