:root{
  --bg:#060b1c;
  --bg-2:#0a1330;
  --panel:rgba(18,30,64,.66);
  --panel-solid:#101d40;
  --line:rgba(120,170,255,.20);
  --line-strong:rgba(120,170,255,.42);
  --txt:#eaf1ff;
  --txt-dim:#a8b6d8;
  --txt-mute:#7b8bb0;
  --blue:#2f7bff;
  --blue-l:#5aa0ff;
  --cyan:#2ee6ff;
  --amber:#ffb020;
  --orange:#ff8a1f;
  --red:#ff2d6f;
  --grad-title:linear-gradient(100deg,#fff 0%,#bcd6ff 42%,#5aa0ff 100%);
  --grad-amber:linear-gradient(100deg,#ffd98a 0%,#ffb020 45%,#ff8a1f 100%);
  --shadow-glow:0 0 40px rgba(47,123,255,.35);
  --radius:18px;
  font-synthesis:none;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1100px 700px at 78% -8%,rgba(47,123,255,.30),transparent 60%),
    radial-gradient(900px 620px at 6% 12%,rgba(46,230,255,.14),transparent 62%),
    radial-gradient(900px 700px at 50% 108%,rgba(255,138,31,.10),transparent 60%),
    linear-gradient(180deg,#060b1c 0%,#08122c 45%,#060b1c 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(120,170,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,170,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.en{font-family:"Orbitron","Noto Sans SC",sans-serif;letter-spacing:.06em}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(18px,5vw,64px);
  transition:background .35s,backdrop-filter .35s,border-color .35s,padding .35s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(6,11,28,.82);backdrop-filter:blur(16px);
  border-bottom-color:var(--line);padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center}
.brand-logo{height:44px;width:auto;display:block}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--txt-dim)}
.nav-links a{position:relative;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .3s}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-cta{
  padding:10px 20px;border-radius:100px;font-size:13.5px;font-weight:700;white-space:nowrap;
  background:linear-gradient(100deg,var(--orange),var(--amber));color:#2a1400;
  box-shadow:0 8px 26px rgba(255,138,31,.35);transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,138,31,.5)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* ---------- LAYOUT ---------- */
section{position:relative;padding:clamp(64px,9vw,116px) clamp(18px,5vw,64px)}
.wrap{max-width:1200px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
h2.sec-title{
  font-size:clamp(27px,4vw,44px);font-weight:900;line-height:1.22;letter-spacing:.01em;
  background:var(--grad-title);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.sec-sub{font-size:15px;color:var(--txt-mute);letter-spacing:.12em;text-transform:uppercase;font-family:"Orbitron",sans-serif;margin-bottom:34px}
.lead{color:var(--txt-dim);font-size:16px;max-width:900px}
.lead p{margin-bottom:15px}
.lead strong{color:#fff;font-weight:700}
.hl{color:var(--amber);font-weight:700}

/* ---------- HERO ---------- */
.hero{padding-top:clamp(120px,17vw,168px);padding-bottom:clamp(50px,7vw,80px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(26px,4vw,58px);align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:100px;
  background:rgba(47,123,255,.12);border:1px solid var(--line-strong);font-size:12.5px;
  color:var(--blue-l);letter-spacing:.05em;margin-bottom:22px;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
.hero h1{font-size:clamp(18px,2.3vw,30px);font-weight:800;line-height:1.35;letter-spacing:.035em;margin-bottom:6px;color:#dbe6ff}
.hero h1 .ln2{
  font-size:clamp(23px,3.2vw,45px);font-weight:900;line-height:1.2;letter-spacing:.005em;
  background:var(--grad-amber);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-top:3px;
}
.hero .en-title{
  font-size:clamp(12px,1.5vw,15px);color:var(--txt-mute);letter-spacing:.14em;
  font-family:"Orbitron",sans-serif;text-transform:uppercase;margin-bottom:26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.meta-card{
  flex:1 1 200px;padding:18px 20px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.meta-card .k{font-size:11.5px;letter-spacing:.16em;color:var(--txt-mute);text-transform:uppercase;font-family:"Orbitron",sans-serif;margin-bottom:6px}
.meta-card .v{font-size:19px;font-weight:800;color:#fff;line-height:1.3}
.meta-card.date .v{color:var(--red);font-size:23px;font-weight:900;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.meta-card.place .v{font-size:16.5px}
.hero-slogan{
  font-size:clamp(15px,2vw,19px);font-weight:700;color:#dbe6ff;padding-left:16px;
  border-left:3px solid var(--orange);margin-bottom:30px;
}
.hero-slogan span{display:block;font-size:11.5px;color:var(--txt-mute);letter-spacing:.1em;font-family:"Orbitron",sans-serif;font-weight:400;margin-top:4px}
.btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:100px;
  font-weight:800;font-size:15px;transition:transform .25s,box-shadow .25s,background .25s;
}
.btn-primary{background:linear-gradient(100deg,var(--orange),var(--amber));color:#2a1400;box-shadow:0 10px 32px rgba(255,138,31,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(255,138,31,.55)}
.btn-ghost{background:rgba(47,123,255,.10);border:1px solid var(--line-strong);color:#dfe9ff}
.btn-ghost:hover{background:rgba(47,123,255,.22);transform:translateY(-3px)}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-visual .halo{
  position:absolute;width:88%;aspect-ratio:1;border-radius:50%;top:6%;
  background:radial-gradient(circle,rgba(47,123,255,.45),transparent 68%);
  filter:blur(14px);z-index:0;
}
.hero-visual .ring{
  position:absolute;width:92%;aspect-ratio:1;border-radius:50%;top:4%;
  border:1px dashed rgba(90,160,255,.35);animation:spin 26s linear infinite;z-index:1;
}
.hero-visual .ring.r2{width:74%;top:13%;border-color:rgba(46,230,255,.28);animation-duration:18s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-visual img{
  position:relative;z-index:2;width:100%;max-width:400px;border-radius:22px;
  border:1px solid var(--line-strong);
  box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 70px rgba(47,123,255,.28);
}

/* ---------- STATS ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(10,19,48,.5)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.stat{text-align:center;padding:14px 8px}
.stat .num{
  font-family:inherit;font-weight:900;font-size:clamp(26px,3.4vw,42px);line-height:1;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(180deg,#fff,#7fb4ff);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .num .u{font-size:.5em;margin-left:2px;-webkit-text-fill-color:#5aa0ff;color:#5aa0ff}
.stat .lb{font-size:12.5px;color:var(--txt-mute);margin-top:10px;letter-spacing:.03em}

/* ---------- FEATURE / ABOUT ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,54px);align-items:center}
.split.rev .media{order:2}
.media{position:relative}
.shot{position:relative}
.media img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.media .tagline{
  position:absolute;left:16px;bottom:16px;right:16px;padding:14px 18px;border-radius:14px;
  background:rgba(6,11,28,.78);backdrop-filter:blur(12px);border:1px solid var(--line-strong);
  font-size:13px;color:#cfe0ff;
}
.media .tagline b{color:var(--cyan);font-family:"Orbitron",sans-serif;letter-spacing:.05em}
.media-stack{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.media-stack img{aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--line)}

/* ---------- CARDS GRID ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  padding:28px 26px;border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:transform .3s,border-color .3s,box-shadow .3s;height:100%;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 22px 50px rgba(0,0,0,.45)}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:23px;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(47,123,255,.28),rgba(46,230,255,.12));border:1px solid var(--line-strong);
}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:#fff}
.card p{font-size:14.5px;color:var(--txt-dim)}

/* ---------- EXHIBITS ---------- */
.exhibit-grid{display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(24px,4vw,50px);align-items:start}
.exhibit-block{margin-bottom:22px}
.exhibit-block h3{font-size:18px;font-weight:800;color:#fff;display:flex;align-items:center;gap:11px;margin-bottom:12px}
.exhibit-block h3::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.chip{
  font-size:13px;padding:7px 14px;border-radius:100px;color:#cfe0ff;
  background:rgba(47,123,255,.12);border:1px solid var(--line);
}
.mosaic{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mosaic img{aspect-ratio:1/1;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.mosaic img:first-child{grid-column:span 2;aspect-ratio:16/10}

/* ---------- GALLERY ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:150px;gap:12px}
.gallery img{width:100%;height:100%;object-fit:cover;border-radius:14px;border:1px solid var(--line);transition:transform .4s,filter .4s;filter:saturate(.92)}
.gallery img:hover{transform:scale(1.035);filter:saturate(1.1)}
.gallery .big{grid-column:span 2;grid-row:span 2}

/* ---------- ORG ---------- */
.org{display:grid;gap:14px;max-width:900px;margin:0 auto}
.org-row{
  display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:center;
  padding:18px 24px;border-radius:14px;background:var(--panel);border:1px solid var(--line);
}
.org-row .lbl{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.06em}
.org-row .lbl small{display:block;font-family:"Orbitron",sans-serif;font-size:10px;color:var(--txt-mute);letter-spacing:.1em;font-weight:500}
.org-row .val{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14.5px;color:#dbe6ff}
.org-row .val span{font-weight:600}
.org-row .val em{font-style:normal;font-size:12px;color:var(--txt-mute);display:block;font-family:"Orbitron",sans-serif;letter-spacing:.02em}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:26px;padding:clamp(34px,5vw,58px);text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(28,52,110,.9),rgba(10,20,48,.92));
  border:1px solid var(--line-strong);
}
.cta-band::before{
  content:"";position:absolute;inset:-2px;z-index:0;
  background:radial-gradient(600px 300px at 50% 0%,rgba(47,123,255,.4),transparent 70%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.6vw,38px);font-weight:900;color:#fff;margin-bottom:12px}
.cta-band p{color:var(--txt-dim);max-width:680px;margin:0 auto 26px;font-size:15.5px}
.contact{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:30px}
.contact .cbox{
  display:flex;align-items:center;gap:13px;padding:16px 24px;border-radius:14px;
  background:rgba(6,11,28,.6);border:1px solid var(--line);text-align:left;
}
.contact .cbox .ic{font-size:20px}
.contact .cbox b{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--txt-mute);text-transform:uppercase;font-family:"Orbitron",sans-serif}
.contact .cbox span{font-size:16px;font-weight:700;color:#fff}
.qr{width:112px;height:112px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;padding:6px}

/* ---------- CONSULT FORM ---------- */
.consult{
  margin:34px auto 0;max-width:720px;text-align:left;
  background:rgba(6,11,28,.55);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px clamp(18px,3vw,28px) 28px;
}
.consult h3{font-size:18px;font-weight:900;color:#fff;margin-bottom:6px}
.consult .csub{font-size:12.8px;color:var(--txt-mute);line-height:1.7;margin-bottom:20px}
.cf-item{margin-bottom:13px}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cf-item label{display:block;font-size:12.5px;font-weight:600;color:var(--txt-mute);margin-bottom:7px}
.cf-item label em{color:#ff92b4;font-style:normal;margin-left:2px}
.cf-item input,.cf-item select,.cf-item textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;
  background:rgba(6,13,32,.66);font-family:inherit;font-size:14px;color:#fff;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.cf-item input::placeholder,.cf-item textarea::placeholder{color:var(--txt-mute)}
.cf-item select{
  appearance:none;-webkit-appearance:none;padding-right:38px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237b8bb0' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;
}
.cf-item select option{background:#0a1430;color:#fff}
.cf-item textarea{resize:vertical;min-height:88px;line-height:1.75}
.cf-item input:focus,.cf-item select:focus,.cf-item textarea:focus{
  border-color:var(--cyan);background:rgba(6,13,32,.9);box-shadow:0 0 0 3px rgba(46,230,255,.15);
}
.cf-cap{margin:4px 0 14px}
.cf-submit{
  width:100%;margin-top:4px;padding:14px;border:0;border-radius:12px;
  background:linear-gradient(100deg,var(--blue),var(--blue-l));color:#fff;
  font-family:inherit;font-size:15.5px;font-weight:800;cursor:pointer;
  box-shadow:0 10px 28px rgba(47,123,255,.35);transition:transform .2s,box-shadow .2s;
}
.cf-submit:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(47,123,255,.5)}
.cf-submit:disabled{opacity:.65;cursor:not-allowed;transform:none}
.cf-result{display:none;margin-top:14px;padding:13px 16px;border-radius:11px;font-size:13.5px;line-height:1.8;text-align:left}
.cf-result.show{display:block}
.cf-result.ok{background:rgba(46,230,255,.10);border:1px solid rgba(46,230,255,.4);color:#8fe6ff}
.cf-result.err{background:rgba(255,45,111,.10);border:1px solid rgba(255,45,111,.4);color:#ff92b4}

/* ---------- FOOTER ---------- */
footer{
  border-top:1px solid var(--line);padding:40px clamp(18px,5vw,64px) 46px;
  background:rgba(6,11,28,.7);text-align:center;
}
footer .f-brand{font-family:"Orbitron",sans-serif;font-weight:900;font-size:19px;letter-spacing:.1em;color:#fff;margin-bottom:8px}
footer .f-line{font-size:13.5px;color:var(--txt-mute);margin-bottom:6px}
footer .f-copy{font-size:12px;color:#5a688a;margin-top:18px}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;margin-bottom:8px}
  .hero-visual .ring,.hero-visual .halo{display:none}
  .hero-visual img{max-width:258px}
  .split,.exhibit-grid{grid-template-columns:1fr}
  .split.rev .media{order:0}
  .grid-3{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:22px 10px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery .big{grid-column:span 2;grid-row:span 1}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-links.open{
    display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(6,11,28,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:8px 0;
  }
  .nav-links.open a{padding:15px clamp(18px,5vw,64px);font-size:15px}
  .nav-links.open a::after{display:none}
}
@media (max-width:560px){
  .org-row{grid-template-columns:1fr;gap:10px}
  .meta-card .v{font-size:17px}
  .contact .cbox{width:100%}
  .cf-row{grid-template-columns:1fr;gap:0}
  .brand-logo{height:36px}
  .nav-cta{padding:9px 15px;font-size:12.5px}
  .nav{padding-left:16px;padding-right:16px}
  .hero-slogan{font-size:14.5px}
  .hero-visual img{max-width:206px}
  .hero{padding-top:96px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}