:root{
    --bg:#06090f; --bg-2:#0a0e18; --panel:rgba(255,255,255,.03); --line:rgba(255,255,255,.09);
    --text:#e7edf6; --body:#a9b8c9; --muted:#71829a;
    --cyan:#2fe0c8; --cyan-dk:#22b7a3; --amber:#ffb347;
    --maxw:1200px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  a{text-decoration:none;color:inherit}
  .w{max-width:var(--maxw);margin:0 auto;padding:0 40px}
  .eyebrow{font-size:12px;letter-spacing:.24em;text-transform:uppercase;font-weight:700;color:var(--cyan)}
  h1,h2,h3{letter-spacing:-.02em;font-weight:800;line-height:1.07}
  .grad{background:linear-gradient(90deg,var(--cyan),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
  .btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:15px;padding:13px 24px;border-radius:8px;cursor:pointer;transition:.2s;border:1px solid transparent}
  .btn-cyan{background:linear-gradient(90deg,var(--cyan),var(--cyan-dk));color:#04201c;box-shadow:0 0 26px rgba(47,224,200,.34)}
  .btn-cyan:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(47,224,200,.5)}
  .btn-ghost{border-color:rgba(255,255,255,.24);color:var(--text)}
  .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

  /* global tech background */
  .bgfx{position:fixed;inset:0;z-index:0;pointer-events:none;
    background:
      radial-gradient(760px 560px at 82% 6%,rgba(47,224,200,.13),transparent 60%),
      radial-gradient(680px 560px at 8% 88%,rgba(255,150,60,.09),transparent 60%),
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='46' height='46'%3E%3Cpath d='M0 45h46M45 0v46' stroke='%23ffffff' stroke-opacity='0.045'/%3E%3C/svg%3E");}
  .app{position:relative;z-index:1}

  /* header */
  header{position:sticky;top:0;z-index:60;background:rgba(6,9,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:74px}
  .logo{display:flex;align-items:center;gap:11px}
  .logo .mark{width:34px;height:34px;flex:0 0 auto;filter:drop-shadow(0 0 8px rgba(47,224,200,.4))}
  .logo .wm{display:flex;flex-direction:column;line-height:1}
  .logo .wm b{font-size:20px;font-weight:800;letter-spacing:.06em}
  .logo .wm span{font-size:8.5px;letter-spacing:.28em;font-weight:600;color:var(--cyan);margin-top:3px}
  .menu{display:flex;gap:30px}
  .menu a{font-size:14.5px;font-weight:500;color:var(--body);transition:.15s}
  .menu a:hover{color:var(--cyan)}
  .nav-r{display:flex;align-items:center;gap:16px}
  .lang{font-size:13px;color:var(--body);border:1px solid var(--line);padding:6px 11px;border-radius:6px}
  .burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
  .burger span{width:24px;height:2px;background:var(--text)}

  /* hero */
  .hero{padding:92px 0 0}
  .hero .grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
  .hero h1{font-size:clamp(42px,6.4vw,80px);margin:18px 0 0}
  .hero .sub{font-size:20px;max-width:540px;color:var(--body);margin:26px 0 34px;line-height:1.5}
  .hero .cta{display:flex;gap:14px;flex-wrap:wrap}
  .viz{position:relative;height:400px;display:flex;align-items:center;justify-content:center}
  .viz .ring{position:absolute;border-radius:50%}
  .viz .r1{width:360px;height:360px;border:1px solid rgba(47,224,200,.22);box-shadow:0 0 80px rgba(47,224,200,.12) inset}
  .viz .r2{width:250px;height:250px;border:1px solid rgba(255,179,71,.22)}
  .viz .r3{width:150px;height:150px;border:1px dashed rgba(47,224,200,.35)}
  .viz svg{width:210px;height:210px;filter:drop-shadow(0 0 26px rgba(47,224,200,.5));animation:spin 22s linear infinite}
  @keyframes spin{to{transform:rotate(360deg)}}
  .stat-strip{margin-top:70px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
  .stat-strip .s{padding:26px 0;border-right:1px solid var(--line)}
  .stat-strip .s:last-child{border-right:0}
  .stat-strip b{display:block;font-size:19px;font-weight:800;color:var(--cyan);letter-spacing:-.01em}
  .stat-strip span{font-size:13px;color:var(--muted)}

  section.block{padding:104px 0;position:relative}
  .alt{background:var(--bg-2)}
  .sec-head{max-width:720px;margin-bottom:54px}
  .sec-head h2{font-size:clamp(32px,4.4vw,52px);margin:14px 0 16px}
  .sec-head p{font-size:18px;color:var(--body)}

  /* cards generic */
  .card{background:var(--panel);border:1px solid var(--line);border-radius:16px;transition:.22s;position:relative;overflow:hidden}
  .card:hover{transform:translateY(-4px);border-color:rgba(47,224,200,.5);box-shadow:0 20px 50px rgba(0,0,0,.4),0 0 30px rgba(47,224,200,.1)}

  .props{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .prop{padding:34px 30px}
  .prop .ic{width:52px;height:52px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(47,224,200,.4);border-radius:12px;margin-bottom:20px;box-shadow:0 0 20px rgba(47,224,200,.12)}
  .prop h3{font-size:21px;margin-bottom:10px}
  .prop p{color:var(--body);font-size:15px}

  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .prod{padding:30px 28px;display:block}
  .prod .no{font-size:12.5px;font-weight:800;color:var(--amber);letter-spacing:.05em}
  .prod h3{font-size:20px;margin:12px 0 10px}
  .prod p{color:var(--body);font-size:14.5px;margin-bottom:16px}
  .prod .more{font-size:14px;font-weight:700;color:var(--cyan)}
  .prod .more::after{content:" →"}

  .coat{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
  .coat h2{font-size:clamp(32px,4.4vw,50px);margin:14px 0 18px}
  .coat p{font-size:17px;color:var(--body);margin-bottom:14px}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .chip{background:rgba(47,224,200,.08);border:1px solid rgba(47,224,200,.28);color:var(--cyan);font-size:13px;font-weight:600;padding:7px 14px;border-radius:100px}
  .coat-card{background:linear-gradient(160deg,rgba(47,224,200,.09),rgba(255,255,255,.02));border:1px solid rgba(47,224,200,.28);border-radius:20px;padding:42px;box-shadow:0 0 50px rgba(47,224,200,.08)}
  .coat-card h3{color:var(--cyan);font-size:13px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px}
  .coat-card ul{list-style:none}
  .coat-card li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:16px;color:#dbe6ee}
  .coat-card li:last-child{border:0}
  .coat-card .k{color:var(--cyan);font-weight:800;flex:0 0 auto}

  .sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .sol{padding:30px 28px;border-left:2px solid var(--amber)}
  .sol .cond{font-size:12px;font-weight:800;letter-spacing:.05em;color:var(--amber)}
  .sol h3{font-size:19px;margin:10px 0 8px}
  .sol p{color:var(--body);font-size:14.5px;margin-bottom:12px}
  .sol .kw{font-size:12.5px;color:var(--muted);font-weight:600}

  .cap{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}
  .cap h2{font-size:clamp(30px,4vw,46px);margin:14px 0 14px}
  .cap>.left>p{font-size:17px;color:var(--body)}
  .cap-list{list-style:none;margin-top:24px}
  .cap-list li{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
  .cap-list .n{font-size:15px;font-weight:800;color:var(--cyan);padding-top:2px}
  .cap-list b{display:block;font-size:16.5px;margin-bottom:2px}
  .cap-list span{color:var(--muted);font-size:14px}
  .qc{background:linear-gradient(160deg,rgba(255,179,71,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:20px;padding:42px 38px}
  .qc h3{font-size:23px;margin-bottom:6px}
  .qc .s{color:var(--muted);font-size:14.5px;margin-bottom:24px}
  .qc .step{display:flex;gap:16px;padding:16px 0;border-top:1px solid rgba(255,255,255,.08)}
  .qc .step:first-of-type{border-top:0}
  .qc .step .d{width:9px;height:9px;border-radius:50%;background:var(--cyan);margin-top:9px;flex:0 0 auto;box-shadow:0 0 10px var(--cyan)}
  .qc .step b{font-size:16px}
  .qc .step p{color:var(--muted);font-size:13.5px}

  .about{max-width:900px;margin:0 auto;text-align:center}
  .about h2{font-size:clamp(30px,4vw,48px);margin:16px 0 24px}
  .about p{font-size:18px;color:var(--body);margin-bottom:18px}
  .about .quote{font-size:22px;font-weight:800;margin-top:30px;letter-spacing:-.01em}

  .cta-block{background:linear-gradient(150deg,rgba(47,224,200,.12),rgba(6,9,15,.2));border:1px solid rgba(47,224,200,.3);border-radius:26px;padding:74px 40px;text-align:center;position:relative;overflow:hidden;box-shadow:0 0 70px rgba(47,224,200,.1)}
  .cta-block h2{font-size:clamp(32px,4.6vw,54px);margin-bottom:16px}
  .cta-block p{font-size:19px;max-width:560px;margin:0 auto 30px;color:var(--body)}
  .cta-block .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

  footer{background:#04060b;color:var(--muted);padding:64px 0 32px;font-size:14.5px;border-top:1px solid var(--line)}
  .foot{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:38px;border-bottom:1px solid var(--line)}
  .foot h4{color:var(--text);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
  .foot a{display:block;padding:6px 0;color:var(--muted)}
  .foot a:hover{color:var(--cyan)}
  .foot-brand b{color:var(--text);font-size:20px;letter-spacing:.06em}
  .foot-brand p{margin-top:14px;max-width:290px;line-height:1.7;font-size:13.5px}
  .foot-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#4f5c70}

  .reveal{opacity:0;transform:translateY(20px);transition:.7s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  @media(max-width:900px){
    .menu{display:none}.burger{display:flex}
    .menu.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:var(--bg-2);padding:20px 40px;gap:18px;border-bottom:1px solid var(--line)}
    .hero .grid2,.coat,.cap{grid-template-columns:1fr;gap:36px}
    .viz{height:280px;order:-1}
    .props,.prod-grid,.sol-grid{grid-template-columns:1fr 1fr}
    .stat-strip{grid-template-columns:1fr 1fr}.stat-strip .s:nth-child(2){border-right:0}
    .foot{grid-template-columns:1fr 1fr}
  }
  @media(max-width:560px){
    .w{padding:0 22px}
    .props,.prod-grid,.sol-grid,.foot{grid-template-columns:1fr}
    section.block{padding:72px 0}
  }

  /* language switcher */
  .langbox{position:relative}
  .langmenu{position:absolute;top:120%;right:0;background:#0b1220;border:1px solid var(--line);border-radius:10px;padding:6px;min-width:130px;display:none;box-shadow:0 18px 40px rgba(0,0,0,.5);z-index:80}
  .langmenu.open{display:block}
  .langmenu a{display:block;padding:9px 12px;border-radius:7px;font-size:14px;color:var(--body)}
  .langmenu a:hover{background:rgba(47,224,200,.1);color:var(--cyan)}

  /* sub-page hero (compact) */
  .pagehero{padding:70px 0 34px}
  .pagehero h1{font-size:clamp(36px,5vw,60px);margin:14px 0 0}
  .pagehero .sub{font-size:19px;max-width:640px;color:var(--body);margin:20px 0 0}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:1.4fr .75fr;gap:36px;align-items:start}
  .cform{padding:34px}
  .cform .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .cform label{display:block;font-size:13px;font-weight:600;color:var(--body);margin:14px 0 0}
  .cform input,.cform select,.cform textarea{width:100%;margin-top:7px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:9px;padding:12px 13px;color:var(--text);font-size:15px;font-family:inherit}
  .cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,224,200,.14)}
  .cform select{cursor:pointer}
  .cform option{background:#0b1220;color:var(--text)}
  .fnote{margin-top:14px;font-size:14px;min-height:20px}
  .fnote.ok{color:var(--cyan)}
  .fnote.err{color:#ff8a7a}
  .cinfo h3{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px}
  .office{padding:16px 0;border-top:1px solid var(--line)}
  .office:first-of-type{border-top:0}
  .office .role{font-size:12px;color:var(--muted);letter-spacing:.04em}
  .office b{display:block;font-size:16px;margin:3px 0 2px}
  .office a{color:var(--body);font-size:14px}
  .office a:hover{color:var(--cyan)}
  @media(max-width:820px){.contact-grid{grid-template-columns:1fr}.cform .row{grid-template-columns:1fr}}

  /* product detail */
  .pd-wrap{display:grid;grid-template-columns:1fr .42fr;gap:44px;align-items:start}
  .pd-back{color:var(--body);font-size:14px;font-weight:600;display:inline-block;margin-bottom:22px}
  .pd-back:hover{color:var(--cyan)}
  .pd-h{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
  .pd-intro{font-size:18px;color:var(--body);margin-bottom:26px;max-width:660px;line-height:1.6}
  .pd-sub{font-size:20px;margin:28px 0 12px}
  .pd-list{list-style:none}
  .pd-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;color:#dbe6ee}
  .pd-list .k{color:var(--cyan);font-weight:800;flex:0 0 auto}
  .pd-side{padding:30px;position:sticky;top:96px}
  .pd-side h3{font-size:20px;margin-bottom:10px}
  .pd-side p{color:var(--body);font-size:14.5px;margin-bottom:18px}
  @media(max-width:820px){.pd-wrap{grid-template-columns:1fr;gap:28px}.pd-side{position:static}}

  /* text-forward hero (no graphic) */
  .hero{padding:104px 0 0;position:relative;overflow:hidden}
  .hero .hero-inner{max-width:920px;position:relative;z-index:2}
  .hero .hero-inner h1{font-size:clamp(44px,7.4vw,94px);margin:20px 0 0;line-height:1.04}
  .hero .hero-inner .sub{max-width:600px;font-size:21px;margin:28px 0 34px}
  .hero .stat-strip{margin-top:88px}
  .hero::after{content:"";position:absolute;right:-160px;top:-120px;width:620px;height:620px;border-radius:50%;
    background:radial-gradient(circle,rgba(47,224,200,.14),transparent 62%);pointer-events:none;z-index:0}

  /* partners / logo wall */
  .partners{padding:70px 0}
  .pwall{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
  .pcell{display:flex;align-items:center;justify-content:center;text-align:center;min-height:80px;padding:16px 12px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;font-weight:700;font-size:15px;color:#c7d3e0;transition:.2s}
  .pcell:hover{border-color:rgba(47,224,200,.4);color:#fff;transform:translateY(-2px)}
  .pcell img{max-height:38px;max-width:78%;object-fit:contain;filter:brightness(0) invert(1);opacity:.78;transition:.2s}
  .pcell:hover img{opacity:1}
  @media(max-width:900px){.pwall{grid-template-columns:repeat(3,1fr)}}
  @media(max-width:560px){.pwall{grid-template-columns:repeat(2,1fr)}}

  /* blog */
  .blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .bpost{padding:30px 28px;display:block}
  .bcat{font-size:12px;font-weight:800;letter-spacing:.05em;color:var(--amber);text-transform:uppercase}
  .bpost h3{font-size:21px;margin:12px 0 10px;line-height:1.2}
  .bpost p{color:var(--body);font-size:14.5px;margin-bottom:16px}
  .bmeta{font-size:12.5px;color:var(--muted)}
  .bp-wrap{max-width:760px;margin:0 auto}
  .bp-h2{font-size:clamp(22px,2.6vw,28px);margin:36px 0 14px}
  .bp-p{font-size:17px;line-height:1.75;color:#c7d3e0;margin-bottom:16px}
  .bp-ul{margin:0 0 16px 22px}
  .bp-ul li{font-size:17px;line-height:1.7;color:#c7d3e0;margin-bottom:8px}
  @media(max-width:820px){.blog-grid{grid-template-columns:1fr}}

  /* mobile header fit — hide redundant quote button + logo subtitle so header doesn't cram */
  @media(max-width:900px){
    .nav-r .btn{display:none}
    .logo .wm span{display:none}
    .nav-r{gap:10px}
  }

/* Product spec table (2026-07-24) */
.spec-table{width:100%;border-collapse:collapse;margin-top:6px;font-size:15px}
.spec-table tr{border-bottom:1px solid rgba(147,197,214,.12)}
.spec-table tr:last-child{border-bottom:none}
.spec-table th{color:var(--cyan);font-weight:600;text-align:left;padding:11px 16px 11px 0;white-space:nowrap;vertical-align:top;width:38%}
.spec-table td{color:var(--txt,#dce9f5);padding:11px 0;line-height:1.55}
@media(max-width:640px){.spec-table th{white-space:normal;width:44%;padding-right:10px}}

/* Product image box (2026-07-24) */
.pd-aside{display:flex;flex-direction:column;gap:22px}
.pd-imgbox{background:linear-gradient(160deg,rgba(47,224,200,.07),rgba(12,20,30,.6));border:1px solid rgba(147,197,214,.14);border-radius:14px;padding:26px 20px;display:flex;justify-content:center;align-items:center}
.pd-imgbox img{max-width:100%;max-height:420px;width:auto;height:auto;filter:drop-shadow(0 8px 28px rgba(0,0,0,.55))}
@media(max-width:900px){.pd-imgbox img{max-height:340px}}