/*
   Template: technology
   Style: HUD / black-tech sci-fi
   CSS Prefix: tek
   Colors: #000000 bg, #FAFAFA text, #22D3EE frames, #F8FAFC CTA
   Contrast: #FAFAFA on #000 > 18:1 | #D4D4D8 on #000 > 12:1
             #18181B on #F8FAFC > 16:1 | #22D3EE on #000 > 10:1
*/
:root{
  --tek-bg:#000000;--tek-bg-alt:#09090B;--tek-surface:#18181B;
  --tek-text:#FAFAFA;--tek-sec:#D4D4D8;--tek-muted:#A1A1AA;
  --tek-primary:#22D3EE;--tek-primary-hover:#67E8F9;--tek-on-primary:#083344;
  --tek-cta:#F8FAFC;--tek-cta-text:#18181B;
  --tek-primary-light:rgba(34,211,238,.12);
  --tek-border:#3F3F46;--tek-border-strong:rgba(34,211,238,.55);
  --tek-shadow:0 24px 60px rgba(0,0,0,.55);
  --tek-radius:0px;
  --tek-z-nav:40;
  --tek-ease:cubic-bezier(.16,1,.3,1);
  --tek-font:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --tek-mono:"Cascadia Code","SF Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
body{font-family:var(--tek-font);background:var(--tek-bg);color:var(--tek-text);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--tek-primary);text-decoration:none;transition:color .2s var(--tek-ease),background .2s var(--tek-ease),border-color .2s var(--tek-ease);cursor:pointer}
a:hover{color:var(--tek-primary-hover)}
a:focus-visible,button:focus-visible{outline:2px solid var(--tek-primary);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
.tek-skip{position:absolute;left:16px;top:8px;transform:translateY(-120%);background:var(--tek-cta);color:var(--tek-cta-text);padding:10px 14px;z-index:80;font-weight:700}
.tek-skip:focus{transform:none}
.tek-container{max-width:1120px;margin:0 auto;padding:0 24px}

.tek-nav{position:fixed;top:0;left:0;right:0;z-index:var(--tek-z-nav);background:rgba(0,0,0,.82);backdrop-filter:blur(16px);border-bottom:1px solid transparent}
.tek-nav.scrolled{border-bottom-color:var(--tek-border-strong)}
.tek-nav-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.tek-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--tek-text);letter-spacing:.04em;flex-shrink:0}
.tek-logo:hover{color:var(--tek-text)}
.tek-logo-mark{width:34px;height:34px;color:var(--tek-primary);border:1px solid var(--tek-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tek-logo-mark svg{width:18px;height:18px}
.tek-nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.tek-nav-links a{font-family:var(--tek-mono);font-size:.78rem;font-weight:500;color:var(--tek-sec);padding:8px 14px;min-height:44px;display:inline-flex;align-items:center}
.tek-nav-links a:hover{color:var(--tek-text);background:var(--tek-primary-light)}
.tek-nav-links a[aria-current="page"]{color:#083344;background:var(--tek-primary)}
.tek-nav-cta{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;background:var(--tek-cta);color:var(--tek-cta-text);font-size:.8rem;font-weight:700;min-height:44px;flex-shrink:0}
.tek-nav-cta:hover{background:#E4E4E7;color:var(--tek-cta-text)}
.tek-mobile-btn{display:none;background:transparent;border:1px solid var(--tek-border-strong);padding:8px;color:var(--tek-text);min-width:44px;min-height:44px}

.tek-hero{position:relative;padding:140px 0 80px;overflow:hidden;background:
  linear-gradient(rgba(34,211,238,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(34,211,238,.05) 1px,transparent 1px),
  var(--tek-bg);
  background-size:48px 48px,48px 48px,auto}
.tek-hero-orb{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none}
.tek-hero-orb-1{width:380px;height:380px;background:rgba(34,211,238,.18);top:-80px;right:0}
.tek-hero-orb-2{width:260px;height:260px;background:rgba(99,102,241,.16);bottom:0;left:0}
.tek-hero-orb-3{display:none}
.tek-hero-inner{position:relative;z-index:1;text-align:center;max-width:760px;margin:0 auto}
.tek-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:transparent;color:var(--tek-primary);font-family:var(--tek-mono);font-size:.75rem;letter-spacing:.12em;margin-bottom:22px;border:1px solid var(--tek-border-strong)}
.tek-badge svg{width:14px;height:14px}
.tek-hero h1{font-size:3.3rem;font-weight:800;line-height:1.12;letter-spacing:-.03em;margin-bottom:18px}
.tek-hero-lead{font-size:1.08rem;color:var(--tek-sec);max-width:580px;margin:0 auto 28px}
.tek-hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tek-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:var(--tek-cta);color:var(--tek-cta-text);font-weight:700;min-height:48px;border:none;font-size:.9rem}
.tek-btn:hover{background:#E4E4E7;color:var(--tek-cta-text)}
.tek-btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;background:transparent;color:var(--tek-text);font-weight:700;border:1px solid var(--tek-border-strong);min-height:48px}
.tek-btn-outline:hover{background:var(--tek-primary-light);color:var(--tek-primary)}
.tek-hero-visual{position:relative;margin:48px auto 0;max-width:860px;padding:14px;border:1px solid var(--tek-border-strong);box-shadow:var(--tek-shadow)}
.tek-hero-visual::before,.tek-hero-visual::after{content:"";position:absolute;width:18px;height:18px;border:2px solid var(--tek-primary)}
.tek-hero-visual::before{top:-2px;left:-2px;border-right:0;border-bottom:0}
.tek-hero-visual::after{right:-2px;bottom:-2px;border-left:0;border-top:0}
.tek-hero-visual img{width:100%;height:360px;object-fit:cover}

.tek-section{padding:88px 0;scroll-margin-top:80px}
.tek-section-alt{background:var(--tek-bg-alt)}
.tek-sec-head{max-width:680px;margin-bottom:44px}
.tek-sec-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.tek-label{display:inline-flex;font-family:var(--tek-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--tek-primary);margin-bottom:12px}
.tek-sec-head h2,.tek-page-hero h1,.tek-split h2{font-size:2.3rem;font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:10px}
.tek-sec-head p,.tek-page-hero p{color:var(--tek-sec)}

.tek-showcase{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.tek-showcase.is-reverse{direction:rtl}
.tek-showcase.is-reverse > *{direction:ltr}
.tek-showcase-visual{position:relative;padding:10px;border:1px solid var(--tek-border)}
.tek-showcase-visual img{width:100%;height:300px;object-fit:cover}
.tek-showcase-num{font-family:var(--tek-mono);color:var(--tek-primary);font-size:.85rem;letter-spacing:.14em;display:block;margin-bottom:12px}
.tek-showcase-copy h3{font-size:1.5rem;font-weight:800;margin-bottom:10px}
.tek-showcase-copy p{color:var(--tek-sec);margin-bottom:16px}
.tek-text-link{font-weight:700;color:var(--tek-primary);display:inline-flex;align-items:center;gap:6px;min-height:44px}

.tek-specs{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--tek-border)}
.tek-spec{padding:28px 18px;text-align:center;border-right:1px solid var(--tek-border)}
.tek-spec:last-child{border-right:0}
.tek-spec-icon{width:40px;height:40px;margin:0 auto 12px;color:var(--tek-primary);display:flex;align-items:center;justify-content:center}
.tek-spec-icon svg{width:22px;height:22px}
.tek-spec-val{font-family:var(--tek-mono);font-size:1.7rem;color:var(--tek-text)}
.tek-spec-label{font-size:.8rem;color:var(--tek-sec);margin-top:6px}

.tek-bento{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.tek-bento-card{background:var(--tek-surface);border:1px solid var(--tek-border);padding:28px;position:relative}
.tek-bento-card::before{content:"";position:absolute;top:0;left:0;width:14px;height:14px;border-top:2px solid var(--tek-primary);border-left:2px solid var(--tek-primary)}
.tek-bento-card h3{font-size:1.2rem;font-weight:800;margin-bottom:8px}
.tek-bento-card p{color:var(--tek-sec);font-size:.94rem}
.tek-bento-card img{width:100%;height:180px;object-fit:cover;margin-top:16px}
.tek-bento-card.is-tall{grid-row:span 2}
.tek-bento-card.is-tall img{height:240px}
.tek-bento-icon{width:40px;height:40px;color:var(--tek-primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px}

.tek-faq{max-width:760px;margin:0 auto}
.tek-faq-item{border-bottom:1px solid var(--tek-border)}
.tek-faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 0;background:transparent;border:none;color:var(--tek-text);font-size:1.02rem;font-weight:700;text-align:left;min-height:48px}
.tek-faq-q svg{color:var(--tek-primary);transition:transform .2s var(--tek-ease)}
.tek-faq-q[aria-expanded="true"] svg{transform:rotate(45deg)}
.tek-faq-a{overflow:hidden;max-height:0;transition:max-height .25s var(--tek-ease)}
.tek-faq-a-inner{padding:0 0 18px;color:var(--tek-sec)}

.tek-recommend-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tek-recommend-grid a{display:block;padding:14px 16px;border:1px solid var(--tek-border);color:var(--tek-sec);min-height:48px;font-size:.86rem}
.tek-recommend-grid a:hover{color:var(--tek-primary);border-color:var(--tek-primary)}
.tek-cta-section{padding:0 0 88px}
.tek-cta-box{border:1px solid var(--tek-border-strong);padding:56px 32px;text-align:center;background:
  linear-gradient(rgba(34,211,238,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px),
  #09090B;background-size:32px 32px}
.tek-cta-box h2{font-size:2.1rem;margin-bottom:8px}
.tek-cta-box p{color:var(--tek-sec);margin-bottom:20px}

.tek-footer{border-top:1px solid var(--tek-border);padding:48px 0 28px}
.tek-footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px;margin-bottom:28px}
.tek-footer-desc{color:var(--tek-sec);font-size:.88rem;max-width:380px;margin-top:10px}
.tek-foot-label{font-family:var(--tek-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--tek-primary);margin-bottom:12px}
.tek-footer-nav a{display:inline-flex;min-height:36px;align-items:center;color:var(--tek-sec);font-size:.9rem}
.tek-footer-nav a:hover{color:var(--tek-primary)}
.tek-footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--tek-border);font-size:.8rem;color:var(--tek-muted)}
.tek-footer-bottom a{color:var(--tek-sec)}

.tek-page-hero{padding:128px 0 40px;border-bottom:1px solid var(--tek-border)}
.tek-svc-item{display:grid;grid-template-columns:64px 160px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--tek-border);color:var(--tek-text)}
.tek-svc-item:first-child{border-top:1px solid var(--tek-border)}
.tek-svc-item:hover{background:var(--tek-primary-light)}
.tek-svc-num{font-family:var(--tek-mono);color:var(--tek-primary)}
.tek-svc-thumb{width:160px;height:90px;object-fit:cover}
.tek-svc-copy h3{font-size:1.05rem;margin-bottom:4px}
.tek-svc-copy p{color:var(--tek-sec);font-size:.86rem}
.tek-svc-go{color:var(--tek-primary);font-weight:700;white-space:nowrap}

.tek-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tek-split img{width:100%;height:320px;object-fit:cover;border:1px solid var(--tek-border)}
.tek-split p{color:var(--tek-sec);margin-bottom:14px}

.tek-stage{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 16px;background:
  linear-gradient(rgba(34,211,238,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(34,211,238,.05) 1px,transparent 1px),#000;background-size:40px 40px}
.tek-contact-card{width:min(480px,100%);background:#09090B;border:1px solid var(--tek-border-strong);padding:36px 32px;text-align:center}
.tek-contact-card h1{font-size:2rem;margin:12px 0 8px}
.tek-contact-card > p{color:var(--tek-sec);margin-bottom:20px}
.tek-contact-list{text-align:left;margin-bottom:20px}
.tek-contact-item{padding:12px 14px;border:1px solid var(--tek-border);margin-bottom:8px}
.tek-contact-item span{color:var(--tek-muted);font-size:.82rem;display:block}
.tek-btn-block{width:100%}
.tek-timer{margin-top:14px;color:var(--tek-sec);font-size:.85rem}
.tek-timer strong{color:var(--tek-primary)}
.tek-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:32px 16px}
.tek-404 h1{font-family:var(--tek-mono);font-size:6rem;line-height:1;color:var(--tek-primary)}
.tek-404 h2{margin:8px 0 12px}
.tek-404 p{color:var(--tek-sec);margin-bottom:24px}

.tek-reveal{opacity:0;transform:translateY(12px);transition:opacity .35s var(--tek-ease),transform .35s var(--tek-ease)}
.tek-reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.tek-reveal{opacity:1;transform:none} .tek-hero{background:var(--tek-bg)}}

@media(max-width:960px){
  .tek-hero h1{font-size:2.4rem}
  .tek-hero-visual img,.tek-showcase-visual img,.tek-split img{height:220px}
  .tek-showcase,.tek-split,.tek-footer-top,.tek-bento{grid-template-columns:1fr}
  .tek-showcase.is-reverse{direction:ltr}
  .tek-bento-card.is-tall{grid-row:auto}
  .tek-specs{grid-template-columns:1fr 1fr}
  .tek-spec{border-bottom:1px solid var(--tek-border)}
  .tek-svc-item{grid-template-columns:48px 1fr}
  .tek-svc-thumb{display:none}
  .tek-svc-go{grid-column:2}
  .tek-nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#000;border-bottom:1px solid var(--tek-border-strong);padding:8px 16px 16px}
  .tek-nav-links.active{display:flex}
  .tek-nav-links a{min-height:48px}
  .tek-nav-cta{margin-left:auto}
  .tek-mobile-btn{display:inline-flex;align-items:center;justify-content:center}
}
@media(max-width:640px){
  .tek-container{padding:0 16px}
  .tek-section{padding:56px 0}
  .tek-hero{padding:116px 0 48px}
  .tek-hero h1,.tek-sec-head h2,.tek-page-hero h1{font-size:1.8rem}
  .tek-specs{grid-template-columns:1fr}
}
