:root{
  --ink:#0A2A20; --leaf:#1E7A50; --leaf2:#2FA36B; --lime:#B7E23B;
  --navy:#21306B; --paper:#F2F5EF; --mist:#E4EBE2; --card:#FBFCFA;
  --line:rgba(10,42,32,.12); --muted:#4b5f57;
  --dsp:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --cn:"Noto Sans SC",var(--body);
  --wrap:1200px; --ease:cubic-bezier(.19,1,.22,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--dsp);font-weight:700;line-height:1.05;letter-spacing:-.02em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* language visibility */
html[data-lang="en"] .zh{display:none!important}
html[data-lang="zh"] .en{display:none!important}
.zh{font-family:var(--cn)}
html[data-lang="zh"] body{font-family:var(--cn)}

/* lab tag */
.tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--leaf);display:inline-flex;align-items:center;gap:.5em}
.tag::before{content:"";width:22px;height:1px;background:var(--leaf);display:inline-block}
.tag.on-dark{color:var(--lime)}
.tag.on-dark::before{background:var(--lime)}

/* buttons */
.btn{font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600;
  display:inline-flex;align-items:center;gap:.6em;padding:.95em 1.6em;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:.35s var(--ease);white-space:nowrap}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--leaf);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#c9ef5a;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink)}
.btn svg{width:15px;height:15px}

/* ============ HEADER ============ */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.4s var(--ease)}
header .bar{display:flex;align-items:center;justify-content:space-between;height:88px;transition:.4s var(--ease)}
header.light:not(.scrolled){background:linear-gradient(180deg,rgba(10,42,32,.72) 0%,rgba(10,42,32,.40) 52%,rgba(10,42,32,0) 100%)}
header.scrolled{background:rgba(242,245,239,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.scrolled .bar{height:66px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--dsp)}
.logo .mono{width:40px;height:40px;border-radius:3px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:1.05rem;letter-spacing:-.04em;transition:.4s var(--ease)}
header.scrolled .logo .mono{width:34px;height:34px}
.logo .txt b{font-weight:800;font-size:1.02rem;letter-spacing:-.01em;display:block;line-height:1}
.logo .txt b .g{color:var(--leaf)} .logo .txt b .n{color:var(--navy)}
.logo .txt span{font-family:var(--cn);font-size:.66rem;letter-spacing:.32em;color:var(--muted)}
header.light:not(.scrolled) .logo .txt b .n{color:#fff}
header.light:not(.scrolled) .logo .txt span{color:rgba(255,255,255,.7)}
header.light:not(.scrolled) nav a{color:rgba(255,255,255,.9)}
header.light:not(.scrolled) .lang{color:#fff;border-color:rgba(255,255,255,.35)}
nav{display:flex;align-items:center;gap:2px}
nav a{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;padding:.5em .85em;border-radius:2px;color:var(--ink);transition:.25s;position:relative}
nav a:hover{color:var(--leaf)}
nav a.active{color:var(--leaf)}
nav a.active::after{content:"";position:absolute;left:.85em;right:.85em;bottom:.15em;height:2px;background:var(--lime)}
.head-right{display:flex;align-items:center;gap:14px}
.lang{font-family:var(--mono);font-size:.72rem;border:1px solid var(--line);border-radius:2px;padding:.45em .7em;cursor:pointer;background:none;color:var(--ink);letter-spacing:.05em;transition:.25s}
.lang:hover{border-color:var(--leaf);color:var(--leaf)}
.lang b{color:var(--leaf)} html[data-lang="zh"] .lang b:first-child{color:inherit} html[data-lang="zh"] .lang b:last-child{color:var(--leaf)}
.menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.menu-btn span{width:24px;height:2px;background:currentColor;display:block;transition:.3s}
header.light:not(.scrolled) .menu-btn{color:#fff}

/* ============ PAGE / ROUTES ============ */
main{min-height:100vh}
.page{display:none}
.page.active{display:block;animation:pageIn .6s var(--ease)}
@keyframes pageIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:.9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}.rv.d5{transition-delay:.4s}

/* ============ HERO ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#04140f}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:120%;object-fit:cover;transform:translateY(0)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,42,32,.55) 0%,rgba(10,42,32,.35) 40%,rgba(10,42,32,.92) 100%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:9vh;padding-top:130px;width:100%}
.hero h1{font-size:clamp(2.6rem,7vw,5.6rem);font-weight:800;max-width:16ch}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line i{display:block;font-style:normal;transform:translateY(105%);animation:rise 1s var(--ease) forwards}
.hero h1 .line:nth-child(2) i{animation-delay:.12s}
.hero h1 .line:nth-child(3) i{animation-delay:.24s;color:var(--lime)}
@keyframes rise{to{transform:none}}
.hero .values{font-family:var(--mono);font-size:clamp(.8rem,1.5vw,1rem);letter-spacing:.16em;text-transform:uppercase;margin:26px 0 8px;color:rgba(255,255,255,.85);opacity:0;animation:fadein 1s .6s forwards}
.hero .values b{color:var(--lime)}
.hero .sub{max-width:52ch;font-size:1.08rem;color:rgba(255,255,255,.9);margin-top:18px;opacity:0;animation:fadein 1s .75s forwards}
.hero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;opacity:0;animation:fadein 1s .9s forwards}
@keyframes fadein{to{opacity:1}}
.hero .scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;font-family:var(--mono);font-size:.65rem;letter-spacing:.25em;color:rgba(255,255,255,.6);text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.hero .scroll-hint::after{content:"";width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.6),transparent);animation:sd 1.8s infinite}
@keyframes sd{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ STATS ============ */
.stats{background:var(--ink);color:#fff;padding:56px 0}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:6px 0}
.stat .n{font-family:var(--dsp);font-weight:800;font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;color:var(--lime)}
.stat .n .u{font-size:.9rem;color:#fff;font-family:var(--mono);letter-spacing:.05em;margin-left:2px}
.stat .l{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-top:10px}

/* ============ SECTIONS ============ */
section.blk{padding:110px 0}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{font-size:clamp(2rem,4.5vw,3.2rem);margin:18px 0 0}
.sec-head p{color:var(--muted);font-size:1.05rem;margin-top:18px}
.eyebrow-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.rev>.media{order:2}
.media{position:relative}
.media img{border-radius:4px;width:100%;aspect-ratio:4/3.4;object-fit:cover}
.media .badge{position:absolute;bottom:-18px;left:-18px;background:var(--lime);color:var(--ink);font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:1em 1.3em;border-radius:3px;max-width:60%;line-height:1.3;box-shadow:0 20px 40px rgba(10,42,32,.18)}
.prose h2{font-size:clamp(1.9rem,4vw,2.8rem)}
.prose .lead{font-size:1.12rem;margin-top:20px;color:#22362e;text-align: justify;}
.prose .zh{color:var(--muted);display:block;margin-top:14px;font-size:1rem;line-height:1.9}

/* value cards */
.vcards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.vcard{background:var(--card);padding:36px 28px;transition:.4s var(--ease)}
.vcard:hover{background:var(--ink);color:#fff}
.vcard:hover .vc-ico{background:var(--lime);color:var(--ink)}
.vcard:hover .zh{color:rgba(255,255,255,.7)}
.vc-ico{width:52px;height:52px;border-radius:3px;background:var(--mist);color:var(--leaf);display:grid;place-items:center;margin-bottom:22px;transition:.4s var(--ease)}
.vc-img{width:74px;height:74px;margin-bottom:20px;display:block}
.vc-ico svg{width:26px;height:26px}
.vcard h3{font-size:1.15rem}
.vcard .zh{display:block;font-size:.85rem;color:var(--muted);margin-top:6px}
.vcard p{font-size:.9rem;color:inherit;opacity:.8;margin-top:12px}

/* variety grid */
.var-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.var{background:var(--card);border:1px solid var(--line);border-radius:4px;overflow:hidden;cursor:pointer;transition:.45s var(--ease)}
.var:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(10,42,32,.14);border-color:transparent}
.var .ph{aspect-ratio:1;overflow:hidden;position:relative;background:var(--mist)}
.var .ph img{width:100%;height:100%;object-fit:cover;transition:.7s var(--ease)}
.var:hover .ph img{transform:scale(1.07)}
.var .ph.grad{display:grid;place-items:center}
.var .ph.grad span{font-family:var(--dsp);font-weight:800;font-size:2rem;color:var(--leaf);opacity:.5}
.var .info{padding:18px 20px}
.var .info .idx{font-family:var(--mono);font-size:.68rem;color:var(--leaf);letter-spacing:.1em}
.var .info h3{font-size:1.15rem;margin-top:6px}
.var .info .sci{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:3px}

/* process */
.proc{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step;margin-top:20px}
.pstep{padding:28px 18px 28px 0;border-top:2px solid var(--line);position:relative}
.pstep::before{counter-increment:step;content:"0" counter(step);font-family:var(--mono);font-size:.8rem;color:var(--leaf);position:absolute;top:-1px;left:0;width:100%;border-top:2px solid var(--leaf);padding-top:14px;transform:scaleX(0);transform-origin:left;transition:.6s var(--ease)}
.pstep.in::before{transform:scaleX(1)}
.pstep h4{font-size:1rem;margin-top:44px}
.pstep p{font-size:.82rem;color:var(--muted);margin-top:8px}

/* services */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding:60px 0;border-bottom:1px solid var(--line)}
.svc.rev .media{order:2}
.svc .params{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.svc .svc-desc{margin-top:16px;color:var(--muted);font-size:1.05rem;line-height:1.75;max-width:52ch;text-align:justify}
.svc .params span{font-family:var(--mono);font-size:.74rem;background:var(--mist);border:1px solid var(--line);padding:.5em .8em;border-radius:2px;color:#22362e}

/* resources */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.res{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:32px 28px;transition:.4s var(--ease);position:relative;overflow:hidden}
.res::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime);transform:scaleY(0);transform-origin:top;transition:.4s var(--ease)}
.res:hover{background:#fff;transform:translateY(-4px);box-shadow:0 20px 44px rgba(10,42,32,.1)}
.res:hover::before{transform:scaleY(1)}
.res .num{font-family:var(--mono);font-size:.72rem;color:var(--leaf);letter-spacing:.1em}
.res h3{font-size:1.25rem;margin:14px 0 12px}
.res p{font-size:.92rem;color:var(--muted)}

/* gallery */
.gal{columns:3;column-gap:16px}
.gal figure{break-inside:avoid;margin-bottom:16px;border-radius:4px;overflow:hidden;cursor:pointer;position:relative}
.gal figure img{width:100%;transition:.6s var(--ease)}
.gal figure:hover img{transform:scale(1.05)}
.gal figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;background:linear-gradient(transparent,rgba(10,42,32,.8));color:#fff;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;opacity:0;transition:.4s}
.gal figure:hover figcaption{opacity:1}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px}
.cinfo a.crow{text-decoration:none}
.cinfo a.crow:hover .v{color:var(--leaf)}
.cinfo .crow{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center}
.cinfo .crow .ico{width:46px;height:46px;border-radius:3px;background:var(--mist);color:var(--leaf);display:grid;place-items:center;flex-shrink:0}
.cinfo .crow .ico svg{width:22px;height:22px}
.cinfo .crow .l{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cinfo .crow .v{font-size:1.05rem;font-weight:500;margin-top:2px}
.form{background:var(--ink);color:#fff;padding:44px;border-radius:4px}
.form h3{font-size:1.5rem}
.form p.hint{color:rgba(255,255,255,.7);font-size:.9rem;margin-top:8px;font-family:var(--mono);letter-spacing:.02em}
.field{margin-top:20px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);display:block;margin-bottom:8px}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:3px;padding:.85em 1em;color:#fff;font-family:var(--body);font-size:.95rem;transition:.3s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.1)}
.field textarea{resize:vertical;min-height:110px}
.form .btn{width:100%;justify-content:center;margin-top:26px}

/* map strip */
.mapstrip{height:340px;background:var(--mist) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><path d="M0 20h40M20 0v40" stroke="%23cdд" stroke-opacity=".3"/></svg>') ;display:grid;place-items:center;border-radius:4px;position:relative;overflow:hidden;border:1px solid var(--line)}
.mapstrip .pin{text-align:center;font-family:var(--mono);color:var(--leaf)}
.mapstrip .pin svg{width:38px;height:38px;margin-bottom:10px}

/* CTA band */
.ctaband{background:var(--leaf);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.ctaband .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2}
.ctaband h2{font-size:clamp(1.8rem,4vw,2.8rem);max-width:18ch}
.ctaband .leaf-deco{position:absolute;right:-60px;top:-40px;width:340px;opacity:.14;z-index:1}

/* footer */
footer{background:var(--ink);color:#fff;padding:70px 0 30px}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.fgrid p{color:rgba(255,255,255,.7);font-size:.92rem;margin-top:18px;max-width:38ch}
.fcol h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);margin-bottom:18px}
.fcol a{display:block;color:rgba(255,255,255,.8);padding:6px 0;font-size:.92rem;transition:.25s}
.fcol a:hover{color:var(--lime);padding-left:6px}
.fbot{display:flex;justify-content:space-between;align-items:center;padding-top:26px;flex-wrap:wrap;gap:14px}
.fbot small{color:rgba(255,255,255,.5);font-family:var(--mono);font-size:.72rem;letter-spacing:.03em}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border:1px solid rgba(255,255,255,.2);border-radius:3px;display:grid;place-items:center;transition:.3s}
.socials a:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.socials svg{width:17px;height:17px}

/* floating */
.fab{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.fab a,.fab button{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;cursor:pointer;border:none;box-shadow:0 10px 26px rgba(10,42,32,.28);transition:.35s var(--ease)}
.wa-fab{background:#25D366;color:#fff}
.wa-fab:hover{transform:scale(1.08)}
.wa-fab svg{width:28px;height:28px}
.top-fab{background:var(--ink);color:#fff;opacity:0;pointer-events:none;transform:translateY(10px)}
.top-fab.show{opacity:1;pointer-events:auto;transform:none}
.top-fab:hover{background:var(--leaf)}
.top-fab svg{width:20px;height:20px}

/* modal */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex;animation:fadein .3s forwards}
.modal .ov{position:absolute;inset:0;background:rgba(10,42,32,.7);backdrop-filter:blur(4px)}
.modal .box{position:relative;background:var(--paper);border-radius:5px;max-width:900px;width:100%;max-height:88vh;overflow:auto;display:grid;grid-template-columns:1fr 1fr;animation:pop .4s var(--ease)}
@keyframes pop{from{transform:translateY(20px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal .box .mimg{background:var(--mist)}
.modal .box .mimg img{width:100%;height:100%;object-fit:cover;min-height:280px}
.modal .box .mbody{padding:40px}
.modal .box .mbody .tag{margin-bottom:14px}
.modal .box h3{font-size:1.9rem}
.modal .box .sci{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-top:6px}
.modal .box .desc{margin-top:18px;color:#22362e;font-size:.98rem}
.modal .box .specs{margin-top:22px;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.modal .box .specs div{background:var(--card);padding:12px 16px;display:flex;justify-content:space-between;font-size:.85rem}
.modal .box .specs div span:first-child{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.modal .box .specs div span:last-child{font-weight:600}
.modal .close{position:absolute;top:14px;right:14px;z-index:3;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);border:none;cursor:pointer;display:grid;place-items:center;font-size:1.2rem}
.modal .mbody .btn{margin-top:26px;width:100%;justify-content:center}

/* lightbox */
.lb{position:fixed;inset:0;z-index:210;background:rgba(10,42,32,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex;animation:fadein .3s forwards}
.lb img{max-width:92vw;max-height:88vh;border-radius:3px}
.lb .x{position:absolute;top:20px;right:24px;color:#fff;font-size:2rem;cursor:pointer;background:none;border:none}

/* mobile menu panel */
.mnav{position:fixed;inset:0;z-index:150;background:var(--ink);display:none;flex-direction:column;padding:100px 32px 40px}
.mnav.open{display:flex;animation:fadein .3s}
.mnav a{font-family:var(--dsp);font-weight:700;font-size:1.8rem;color:#fff;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.mnav a.active{color:var(--lime)}
.mnav .x{position:absolute;top:26px;right:28px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer}

/* real logo swap */
.logo img{height:50px;width:auto;display:block;transition:.4s var(--ease)}
header.scrolled .logo img{height:40px}
.logo .logo-white{display:none}
header.light:not(.scrolled) .logo-color{display:none}
header.light:not(.scrolled) .logo-white{display:block}

/* scroll progress bar */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--leaf),var(--lime));z-index:120;transition:width .1s linear}

/* ken burns hero */
.hero-zoom{position:absolute;inset:0;overflow:hidden}
.hero-zoom img{width:100%;height:100%;object-fit:cover;animation:kenburns 22s ease-in-out infinite alternate;transform-origin:60% 40%}
@keyframes kenburns{0%{transform:scale(1)}100%{transform:scale(1.14)}}

/* variety marquee */
.marquee{background:var(--ink);color:#fff;padding:20px 0;overflow:hidden;white-space:nowrap;border-top:1px solid rgba(255,255,255,.08)}
.marquee .track{display:inline-flex;gap:0;animation:scrollx 28s linear infinite;will-change:transform}
.marquee:hover .track{animation-play-state:paused}
.marquee span{font-family:var(--dsp);font-weight:800;font-size:1.5rem;letter-spacing:-.01em;padding:0 30px;color:#fff;opacity:.55;transition:.3s}
.marquee span .dot{color:var(--lime);opacity:1}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* gallery albums */
.album{margin-bottom:72px}
.album-head{display:flex;align-items:baseline;gap:16px;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:16px}
.album-head h3{font-size:1.6rem}
.album-head .cnt{font-family:var(--mono);font-size:.72rem;color:var(--leaf);letter-spacing:.1em}
.album-head .zh{font-family:var(--cn);color:var(--muted);font-size:1rem}

/* info accordion */
.res{cursor:pointer}
.res .full{max-height:0;overflow:hidden;transition:max-height .5s var(--ease);color:#22362e;font-size:.9rem}
.res.open .full{max-height:340px;margin-top:14px}
.res .more{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;color:var(--leaf);margin-top:14px;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}
.res .more::after{content:"+";font-size:1rem}
.res.open .more::after{content:"\2212"}

/* diagram */
.diagram-wrap{margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;overflow:hidden}
.diagram-wrap img{width:100%;max-width:960px;margin:0 auto;transition:1.1s var(--ease)}
.diagram-wrap.rv img{opacity:0;transform:scale(.96)}
.diagram-wrap.rv.in img{opacity:1;transform:none}

/* footer contact icons */
.fcontact a{display:flex;align-items:center;gap:11px}
.fcontact a svg{width:16px;height:16px;flex-shrink:0;color:var(--lime)}
.fcol.menu-col{columns:2;column-gap:20px}
.fcol.menu-col a{break-inside:avoid}

/* info article layout */
.info-intro{max-width:780px;margin-bottom:10px}
.info-intro .eyebrow{font-family:var(--mono);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--leaf);margin-bottom:10px;font-weight:600}
.info-intro p{font-size:1.12rem;color:#22362e;text-align:justify}
.isection{padding:60px 0;border-top:1px solid var(--line)}
.ihead{display:flex;align-items:center;gap:18px;margin-bottom:30px}
.ihead .n{font-family:var(--dsp);font-weight:800;font-size:2.6rem;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--leaf)}
.ihead h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
.igrid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.igrid.rev .ifig{order:-1}
.iprose{max-width:660px}
.iprose h3{font-family:var(--mono);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--leaf);margin:26px 0 8px;font-weight:600}
.iprose h3:first-child{margin-top:0}
.iprose p{margin-bottom:14px;color:#25382f;text-align:justify}
.iprose ul{margin:0 0 16px 20px}
.iprose li{margin-bottom:9px;color:#25382f;text-align:justify}
.iprose .step{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:var(--leaf);text-transform:uppercase;margin:14px 0 4px;font-weight:600}
.ifig{position:sticky;top:100px}
.ifig img{border-radius:6px;width:100%;object-fit:cover;aspect-ratio:4/3.6}
.ifig figcaption{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:10px;letter-spacing:.02em}

/* data tables */
.dtable-wrap{overflow-x:auto;margin-top:14px;-webkit-overflow-scrolling:touch;border-radius:6px;border:1px solid var(--line)}
.dtable{width:100%;border-collapse:collapse;font-size:.85rem;background:var(--card);min-width:520px}
.dtable th,.dtable td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.dtable th{background:var(--ink);color:#fff;font-family:var(--mono);font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;font-weight:600;text-align:center}
.dtable td{border-right:1px solid var(--line)}
.dtable td:first-child{font-weight:600}
.dtable tbody tr:hover{background:#eef3ea}
.dtable .grp td{background:var(--leaf);color:#fff;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;text-align:left}
.dtable td[data-c]{text-align:center;font-weight:400}
.dcap{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:10px}

/* spacing diagram */
.spacing{background:#fff;border:1px solid var(--line);border-radius:6px;padding:34px 20px;display:grid;place-items:center}
.spacing svg{max-width:320px;width:100%}
.spacing text{font-family:var(--mono);fill:var(--ink)}

@media(max-width:1000px){
  .igrid,.igrid.rev{grid-template-columns:1fr;gap:28px}
  .igrid.rev .ifig{order:0}
  .ifig{position:static}
  .split,.svc,.svc.rev,.contact-grid{grid-template-columns:1fr;gap:40px}
  .split.rev>.media{order:0}.svc.rev .media{order:0}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:34px 20px}
  .vcards,.var-grid,.res-grid{grid-template-columns:repeat(2,1fr)}
  .proc{grid-template-columns:repeat(2,1fr)}
  .gal{columns:2}
  .fgrid{grid-template-columns:1fr;gap:30px}
  nav,.lang{display:none}.menu-btn{display:flex}
  .modal .box{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .vcards,.var-grid,.res-grid,.proc,.gal{grid-template-columns:1fr;columns:1}
  section.blk{padding:72px 0}
  .badge{position:static;margin-top:16px;max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  .hero h1 .line i{transform:none}
}

/* ===== NEW BANNER HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#04140f}
.hero-media{position:absolute;inset:0;z-index:0;background-repeat:no-repeat;background-position:center center;background-size:106%;
 background-image:url(hero-desktop.jpg);
 background-image:-webkit-image-set(url(hero-desktop.webp) 1x,url(hero-desktop.jpg) 1x);
 background-image:image-set(url(hero-desktop.webp) type("image/webp"),url(hero-desktop.jpg) type("image/jpeg"));
 animation:heroKen 26s ease-in-out infinite alternate}
.hero-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
 background:linear-gradient(90deg,rgba(3,14,10,.86) 0,rgba(3,14,10,.45) 40%,transparent 64%)}
.hero-glow{position:absolute;inset:0;z-index:1;pointer-events:none;
 background:radial-gradient(38% 55% at 76% 44%,rgba(120,220,120,.30),transparent 70%);
 animation:glowPulse 6s ease-in-out infinite}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero .tag.on-dark{color:#8fd06a}
.hero-h1{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:clamp(2.6rem,6vw,5.2rem);line-height:.99;letter-spacing:-.02em}
.hero-h1 .line{display:block;opacity:0;transform:translateY(26px);animation:heroRise .7s cubic-bezier(.2,.7,.2,1) forwards}
.hero-h1 .l1{animation-delay:.15s}.hero-h1 .l2{animation-delay:.32s}
.hero-h1 .g{color:var(--lime)}
@keyframes heroRise{to{opacity:1;transform:none}}
@keyframes glowPulse{0%,100%{opacity:.55}50%{opacity:.95}}
@keyframes heroKen{0%{background-size:106%}100%{background-size:114%}}
@media(max-width:860px){
 .hero-media{background-size:cover;
  background-image:url(hero-mobile.jpg);
  background-image:-webkit-image-set(url(hero-mobile.webp) 1x,url(hero-mobile.jpg) 1x);
  background-image:image-set(url(hero-mobile.webp) type("image/webp"),url(hero-mobile.jpg) type("image/jpeg"))}
 .hero-scrim{background:linear-gradient(180deg,rgba(3,14,10,.74) 0,rgba(3,14,10,.15) 26%,rgba(3,14,10,.12) 50%,rgba(3,14,10,.92) 84%)}
 .hero-glow{background:radial-gradient(46% 30% at 50% 46%,rgba(120,220,120,.28),transparent 70%)}
}
@media(prefers-reduced-motion:reduce){
 .hero-media{animation:none}.hero-glow{animation:none;opacity:.6}
 .hero-h1 .line{animation:none;opacity:1;transform:none}
}

@media(max-width:1000px){#hd .lang{display:none}}
/* alignment fix: top-align text with image across all split sections */
.split,.svc{align-items:flex-start !important}


.lang{display:inline-flex;gap:6px;align-items:center}.lang a{color:inherit;text-decoration:none;opacity:.5}.lang a:hover{opacity:1}.lang b{color:var(--lime)}
.mnav-lang{display:flex;gap:14px;align-items:center;font-family:'IBM Plex Mono',monospace;font-size:.95rem;margin:10px 0 22px}.mnav-lang a{color:#cfe0d2;text-decoration:none;opacity:.6}.mnav-lang a:hover{opacity:1}.mnav-lang b{color:var(--lime)}
#nav a.active,.mnav a.active{color:var(--lime)}