/* EDU-03 未来实验室 — bold STEM lab. Unbounded + Figtree on graph paper. */
.tpl-edu-03{
  --gut:clamp(16px,4vw,64px);--max:1440px;
  --pad-x:max(var(--gut),calc((100% - var(--max))/2 + var(--gut)));
  --r:18px;--gap:clamp(10px,1.2vw,16px);
  --display:"Unbounded","Noto Sans SC",system-ui,sans-serif;
  --tile:color-mix(in srgb,var(--soft) 82%,transparent);
  --grid:color-mix(in srgb,var(--fg) 6%,transparent);
  --grid2:color-mix(in srgb,var(--fg) 10%,transparent);
  --dock-bg:var(--soft);--dock-fg:var(--fg);
  font-family:Figtree,"Noto Sans SC",system-ui,sans-serif;font-size:16.5px;
  background-color:var(--bg);
  background-image:linear-gradient(var(--grid2) 1px,transparent 1px),linear-gradient(90deg,var(--grid2) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:160px 160px,160px 160px,32px 32px,32px 32px;
  background-position:-1px -1px;
}
.tpl-edu-03 main{overflow-x:clip}
.tpl-edu-03 main>section{padding:clamp(64px,8vw,120px) var(--pad-x)}
.tpl-edu-03 h1,.tpl-edu-03 h2,.tpl-edu-03 h3{font-family:var(--display);font-weight:700;letter-spacing:-.02em}
:lang(zh-Hans) .tpl-edu-03 :is(h1,h2,h3){letter-spacing:0}
.tpl-edu-03 ::selection{background:var(--accent);color:var(--on-accent)}
.ed3-tile{position:relative;border:1px solid var(--line);border-radius:var(--r);background:var(--tile);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}

/* ---- header ---- */
.ed3-head{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;padding:16px var(--pad-x)}
.ed3-brand{margin-right:auto;display:inline-flex;align-items:center;gap:10px;min-height:44px;font-family:var(--display);font-weight:800;font-size:18px;letter-spacing:.02em;text-decoration:none;color:var(--fg)}
.ed3-brand:not(:has(img))::after{content:"";width:12px;height:20px;background:var(--accent)}
@media (prefers-reduced-motion:no-preference){.ed3-brand:not(:has(img))::after{animation:ed3-blink 1.1s steps(1) infinite}}
@keyframes ed3-blink{50%{opacity:0}}
.ed3-nav{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--tile)}
.ed3-nav a{display:inline-flex;align-items:center;min-height:42px;min-width:44px;padding:0 14px;border-radius:8px;font-weight:600;font-size:14.5px;text-decoration:none;transition:background .15s,color .15s}
.ed3-nav a:hover{background:var(--accent);color:var(--on-accent)}
.ed3-head-cta{display:inline-flex;align-items:center;min-height:48px;padding:8px 20px;border-radius:12px;background:var(--accent);color:var(--on-accent);font-weight:800;font-size:15px;text-decoration:none;white-space:nowrap}
.ed3-head-cta:hover{filter:brightness(1.08)}

/* ---- hero bento ---- */
.tpl-edu-03 main>.ed3-hero{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap);padding-top:clamp(12px,2vw,28px);padding-bottom:clamp(36px,4vw,56px)}
.ed3-t-title{grid-column:1/9;grid-row:1;padding:clamp(26px,4vw,60px);display:flex;flex-direction:column;justify-content:flex-end;min-height:clamp(300px,34vw,500px)}
.ed3-t-mods{grid-column:9/13;grid-row:1;padding:clamp(22px,2.4vw,34px)}
.ed3-t-photo{grid-column:1/9;grid-row:2;margin:0;overflow:hidden}
.ed3-t-photo img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover}
.ed3-t-sub{grid-column:9/13;grid-row:2;display:flex;flex-direction:column;justify-content:space-between;gap:28px;padding:clamp(24px,2.6vw,38px);background:var(--accent);color:var(--on-accent);border-color:transparent}
.ed3-hero--text .ed3-t-title{grid-column:1/-1}
.ed3-hero--text .ed3-t-sub{grid-column:1/7}
.ed3-hero--text .ed3-t-mods{grid-column:7/13;grid-row:2}
.ed3-hero--text .ed3-t-sub{grid-row:2}
.ed3-hero:not(:has(.ed3-t-mods)) .ed3-t-title{grid-column:1/-1}
.ed3-eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 clamp(20px,2.4vw,32px);font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.14em;color:var(--accent)}
.ed3-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 25%,transparent)}
.ed3-hero h1{font-size:clamp(40px,6.2vw,104px);line-height:1;font-weight:800}
:lang(zh-Hans) .ed3-hero h1{line-height:1.12}
.ed3-sub{font-size:clamp(17px,1.4vw,20px);line-height:1.6;font-weight:600}
.ed3-sub p:last-child{margin:0}
.ed3-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:12px 24px;border-radius:12px;background:var(--on-accent);color:var(--accent);font-family:var(--display);font-weight:600;font-size:15px;text-decoration:none;transition:transform .15s}
.ed3-btn::after{content:"→";font-family:Figtree,sans-serif;font-size:22px;transition:transform .2s}
.ed3-btn:hover::after{transform:translateX(4px)}
.ed3-t-sub :focus-visible{outline-color:var(--on-accent)}
.ed3-t-mods ol{display:grid}
.ed3-t-mods li{display:flex;align-items:baseline;gap:14px;padding:13px 0;border-top:1px solid var(--line);font-weight:700;font-size:16px}
.ed3-t-mods li span{font-family:var(--display);font-size:12px;color:var(--accent);flex:none}
.ed3-fig{position:absolute;left:14px;top:14px;padding:5px 10px;border-radius:6px;background:var(--bg);color:var(--fg);font-family:var(--display);font-size:10.5px;letter-spacing:.1em}
.ed3-kicker{display:flex;align-items:center;gap:8px;margin:0 0 14px;font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}

/* ---- ticker ---- */
.ed3-ticker{background:var(--accent);color:var(--on-accent);padding:clamp(14px,1.6vw,20px) 0;transform:rotate(-1.2deg);margin:clamp(8px,2vw,24px) -12px;border-block:2px solid var(--on-accent)}
.ed3-ticker em{font-family:var(--display);font-style:normal;font-weight:700;font-size:clamp(20px,2.4vw,34px);letter-spacing:-.01em}
.ed3-ticker i{font-style:normal;font-size:clamp(16px,1.8vw,24px)}
.ed3-ticker .bc-marquee>span{align-items:center;gap:1.2em;padding-right:1.2em}

/* ---- section heads with giant numerals ---- */
.ed3-sec-head{position:relative;isolation:isolate;margin-bottom:clamp(32px,4vw,56px);padding-top:clamp(8px,2vw,24px)}
.ed3-sec-head>:not(.ed3-big){max-width:820px}
.ed3-big{position:absolute;right:0;top:50%;transform:translateY(-50%);z-index:-1;font-family:var(--display);font-weight:800;font-size:clamp(120px,19vw,300px);line-height:.8;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.5px color-mix(in srgb,var(--accent) 60%,transparent);pointer-events:none;user-select:none}
.ed3-faq .ed3-big{font-size:clamp(96px,11vw,170px);top:-.2em;transform:none}
.tpl-edu-03 h2{font-size:clamp(32px,4.6vw,68px);line-height:1.05;font-weight:800}
:lang(zh-Hans) .tpl-edu-03 h2{line-height:1.2}
.ed3-intro{margin-top:18px;color:var(--muted);font-size:18px;max-width:34em}
.ed3-intro p:last-child{margin:0}

/* ---- about: build log ---- */
.ed3-about-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:var(--gap);align-items:stretch}
.ed3-about--text .ed3-about-grid{grid-template-columns:minmax(0,1fr)}
.ed3-about-media{margin:0;overflow:hidden}
.ed3-about-media img{width:100%;height:100%;min-height:360px;aspect-ratio:4/5;object-fit:cover}
.ed3-steps{display:grid;gap:var(--gap);grid-auto-rows:1fr}
.ed3-steps li{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px);padding:clamp(22px,2.6vw,36px)}
.ed3-step-n{flex:none;font-family:var(--display);font-weight:800;font-size:clamp(48px,6vw,96px);line-height:.85;letter-spacing:-.05em;color:var(--accent)}
.ed3-steps li:nth-child(even) .ed3-step-n{color:transparent;-webkit-text-stroke:2px var(--accent)}
.ed3-steps p{margin:0;font-size:clamp(18px,1.7vw,24px);font-weight:700;line-height:1.4}
.ed3-about-body{padding:clamp(24px,3vw,44px);font-size:18px;line-height:1.8;color:var(--muted)}

/* ---- services: bento modules ---- */
.ed3-bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--gap)}
.ed3-mod{grid-column:span 2;display:flex;flex-direction:column;padding:clamp(22px,2.4vw,34px);overflow:hidden;transition:border-color .2s,transform .2s}
.ed3-mod:hover{border-color:var(--accent);transform:translateY(-3px)}
.ed3-bento--m1 .ed3-mod:first-child,.ed3-bento--m1 .ed3-mod:last-child,.ed3-bento--m2 .ed3-mod:first-child{grid-column:span 4}
.ed3-mod:only-child{grid-column:1/-1}
.ed3-mod:first-child{background:var(--accent);color:var(--on-accent);border-color:transparent}
.ed3-mod-n{position:absolute;right:clamp(10px,1.4vw,20px);top:clamp(4px,1vw,12px);font-family:var(--display);font-weight:800;font-size:clamp(72px,8vw,128px);line-height:1;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.5px color-mix(in srgb,currentColor 35%,transparent);pointer-events:none}
.ed3-mod-tag{margin:0 0 clamp(40px,5vw,72px);font-family:var(--display);font-size:11px;letter-spacing:.14em;color:var(--accent)}
.ed3-mod:first-child .ed3-mod-tag{color:inherit;opacity:.8}
.ed3-mod h3{font-size:clamp(21px,1.9vw,28px);line-height:1.2;margin-bottom:12px}
.ed3-mod-d{color:var(--muted);flex:1;max-width:34em}
.ed3-mod:first-child .ed3-mod-d{color:inherit}
.ed3-mod-d p:last-child{margin:0}
.ed3-mod-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:24px}
.ed3-price{margin:0;font-family:var(--display);font-weight:600;font-size:16px}
.ed3-ask{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:8px 18px;border-radius:10px;border:1px solid currentColor;font-weight:700;font-size:15px;text-decoration:none;transition:background .15s,color .15s}
.ed3-ask svg{width:18px;height:18px}
.ed3-ask:hover{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.ed3-mod:first-child .ed3-ask{background:var(--on-accent);color:var(--accent);border-color:var(--on-accent)}
.ed3-mod:first-child :focus-visible{outline-color:var(--on-accent)}

/* ---- gallery: FIG mosaic ---- */
.ed3-mosaic{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:clamp(220px,26vw,400px);gap:var(--gap)}
.ed3-mosaic figure{margin:0;overflow:hidden;grid-column:span 2}
.ed3-mosaic figure:nth-child(4n+1),.ed3-mosaic figure:nth-child(4n){grid-column:span 4}
.ed3-mosaic--1 figure{grid-column:1/-1!important}
.ed3-mosaic--3 figure:nth-child(3){grid-column:span 6}
.ed3-mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.ed3-mosaic figure:hover img{transform:scale(1.04)}
.ed3-mosaic figcaption{position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);display:inline-flex;align-items:center;gap:10px;padding:4px 12px 4px 4px;border-radius:8px;background:var(--bg);color:var(--fg);font-weight:700;font-size:14px}
.ed3-mosaic figcaption span{flex:none;padding:5px 8px;border-radius:5px;background:var(--accent);color:var(--on-accent);font-family:var(--display);font-size:10px;font-weight:600;letter-spacing:.1em}

/* ---- testimonials ---- */
.ed3-quote-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:var(--gap)}
.ed3-quote-list figure{border:1px solid var(--line);border-radius:var(--r);background:var(--tile);padding:clamp(24px,2.6vw,36px)}
.ed3-quote-list blockquote{font-size:18px;font-weight:600;line-height:1.6}
.ed3-quote-list blockquote p:last-child{margin:0}
.ed3-quote-list figcaption{margin-top:18px;font-family:var(--display);font-size:12px;letter-spacing:.08em;color:var(--accent)}
.ed3-quote-list figcaption span{color:var(--muted)}

/* ---- faq: terminal list ---- */
.tpl-edu-03 main>.ed3-faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,4vw,64px);align-items:start}
.ed3-faq-list{display:grid;gap:var(--gap)}
.ed3-faq-list details{border:1px solid var(--line);border-radius:14px;background:var(--tile);padding:0 clamp(18px,2vw,26px);transition:border-color .2s}
.ed3-faq-list details[open]{border-color:var(--accent)}
.ed3-faq-list summary{display:flex;align-items:center;gap:14px;min-height:64px;padding:16px 0;font-weight:700;font-size:clamp(17px,1.4vw,19px)}
.ed3-faq-list summary::before{content:">";flex:none;font-family:var(--display);font-weight:700;color:var(--accent)}
.ed3-faq-list summary::after{float:none;margin-left:auto;flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:8px;border:1px solid var(--line);color:var(--accent);font-size:20px}
.ed3-faq-list details p{margin:0 0 20px 26px;color:var(--muted)}

/* ---- contact: launch pad ---- */
.tpl-edu-03 main>.ed3-contact{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:24px clamp(28px,4vw,64px);align-items:end;margin:clamp(16px,2vw,32px) var(--gut) 0;padding:clamp(40px,6vw,96px) clamp(22px,5vw,80px);border-radius:calc(var(--r) + 8px);background:var(--accent);color:var(--on-accent)}
.ed3-contact .ed3-kicker{color:inherit;opacity:.75}
.ed3-contact h2{font-size:clamp(36px,6vw,96px);line-height:1;max-width:14em}
:lang(zh-Hans) .ed3-contact h2{line-height:1.15}
.ed3-contact-intro{margin:22px 0 30px;font-size:18px;font-weight:600;max-width:32em}
.ed3-contact-intro p:last-child{margin:0}
.ed3-btn--inv{min-width:min(100%,320px)}
.ed3-contact :focus-visible{outline-color:var(--on-accent)}
.ed3-contact-list{border-top:2px solid var(--on-accent)}
.ed3-contact-list li{padding:14px 0;border-bottom:1px solid color-mix(in srgb,var(--on-accent) 30%,transparent)}
.ed3-contact-list .bc-k{font-family:var(--display);font-size:11px;font-weight:600;opacity:.8;margin-bottom:2px}
.ed3-contact-list a{display:inline-flex;align-items:center;min-height:44px;font-weight:800;font-size:18px}
.ed3-social{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
.ed3-social a{display:inline-flex;align-items:center;min-height:44px;padding:6px 18px;border-radius:10px;border:1.5px solid var(--on-accent);font-weight:700;font-size:14px;text-decoration:none}
.ed3-social a:hover{background:var(--on-accent);color:var(--accent)}
.ed3-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:28px var(--pad-x) 36px;color:var(--muted);font-size:13px;font-weight:600}
.ed3-foot-brand{font-family:var(--display);font-weight:700;color:var(--fg)}

/* ---- responsive ---- */
@media (max-width:1000px){
  .ed3-t-title,.ed3-t-photo,.ed3-t-sub,.ed3-t-mods{grid-row:auto}
  .ed3-t-title,.ed3-t-photo{grid-column:1/-1}
  .ed3-t-sub,.ed3-t-mods,.ed3-hero--text .ed3-t-sub,.ed3-hero--text .ed3-t-mods{grid-column:span 6}
  .ed3-t-title{min-height:0}
  .ed3-bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ed3-mod,.ed3-bento--m1 .ed3-mod:first-child,.ed3-bento--m1 .ed3-mod:last-child,.ed3-bento--m2 .ed3-mod:first-child{grid-column:span 1}
  .ed3-bento .ed3-mod:first-child:nth-last-child(odd){grid-column:1/-1}
  .tpl-edu-03 main>.ed3-faq,.tpl-edu-03 main>.ed3-contact{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:700px){
  .tpl-edu-03{background-size:128px 128px,128px 128px,32px 32px,32px 32px}
  .ed3-head{gap:8px 10px;padding-block:10px}
  .ed3-nav{order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .ed3-nav a{padding:0 11px;font-size:14px;white-space:nowrap}
  .ed3-head-cta{display:none}
  .ed3-t-sub,.ed3-t-mods,.ed3-hero--text .ed3-t-sub,.ed3-hero--text .ed3-t-mods{grid-column:1/-1}
  .ed3-t-photo img{aspect-ratio:4/3}
  .ed3-hero h1{font-size:clamp(34px,10.4vw,52px)}
  .ed3-about-grid{grid-template-columns:minmax(0,1fr)}
  .ed3-about-media img{min-height:0;aspect-ratio:1/1}
  .ed3-bento{grid-template-columns:minmax(0,1fr)}
  .ed3-bento .ed3-mod:first-child:nth-last-child(odd){grid-column:auto}
  .ed3-mosaic{grid-template-columns:minmax(0,1fr);grid-auto-rows:clamp(200px,64vw,320px)}
  .ed3-mosaic figure,.ed3-mosaic figure:nth-child(4n+1),.ed3-mosaic figure:nth-child(4n),.ed3-mosaic--3 figure:nth-child(3){grid-column:1/-1}
  .ed3-big{font-size:96px;top:-34px;transform:none;opacity:.55}
  .tpl-edu-03 main>.ed3-contact{margin-inline:10px}
}