*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#03151f;
  --panel:#062838;
  --panel2:#0a3446;
  --cyan:#77f0ff;
  --cyan2:#dffbff;
  --text:#e9fbff;
  --muted:#a7c7d0;
  --line:rgba(119,240,255,.22);
  --dark:#021019;
  --gold:#d8b76a;
  --white:#fff;
  --container:1240px;
  --shadow:0 30px 90px rgba(0,0,0,.28);
}
body{
  margin:0;
  background:
    radial-gradient(circle at 50% -15%,rgba(119,240,255,.25),transparent 35%),
    linear-gradient(180deg,#03151f 0%,#041c29 52%,#03151f 100%);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  background:
    linear-gradient(180deg,rgba(255,255,255,.06),transparent 28%),
    radial-gradient(circle at 88% 10%,rgba(216,183,106,.12),transparent 24%);
  pointer-events:none;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font:inherit}
.site-header{
  width:min(var(--container),calc(100% - 32px));
  margin:16px auto 0;
  position:sticky;
  top:14px;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:28px;
  background:rgba(3,21,31,.82);
  backdrop-filter:blur(16px);
  box-shadow:0 18px 60px rgba(0,0,0,.22);
}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand img{height:44px;width:44px}
.brand strong{display:block;font-size:18px}
.brand em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.12em;margin-top:2px}
.menu-btn{
  display:none;
  background:var(--cyan);
  color:var(--dark);
  border:0;
  border-radius:999px;
  padding:10px 14px;
  font-weight:900;
}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a,.main-nav button{
  color:#b9e7ef;
  font-size:14px;
  border:0;
  background:transparent;
  cursor:pointer;
  padding:10px 12px;
  border-radius:999px;
}
.main-nav .nav-contact,.main-nav button{
  background:var(--cyan);
  color:var(--dark);
  font-weight:900;
}
.eyebrow{
  margin:0 0 12px;
  color:var(--cyan);
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:12px;
  font-weight:900;
}
.hero{
  width:min(var(--container),calc(100% - 32px));
  margin:34px auto 28px;
  display:grid;
  grid-template-columns:1fr .88fr;
  gap:48px;
  align-items:center;
  min-height:740px;
  padding:54px;
  border:1px solid var(--line);
  border-radius:44px;
  background:linear-gradient(135deg,rgba(119,240,255,.10),rgba(255,255,255,.03));
  box-shadow:var(--shadow);
}
.hero h1{
  font-size:clamp(48px,7vw,98px);
  line-height:.96;
  letter-spacing:-.065em;
  margin:16px 0 20px;
}
.hero p,.section-title span,.download-banner span,.sub-hero span,.support-section span{
  font-size:18px;
  line-height:1.9;
  color:var(--muted);
  max-width:820px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.btn,.products button,.table-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:14px 22px;
  border:1px solid transparent;
  font-weight:900;
  cursor:pointer;
}
.btn.primary,.products button,.table-btn{
  background:var(--cyan);
  color:var(--dark);
}
.btn.secondary{
  background:#fff;
  color:var(--dark);
}
.btn.ghost{
  background:rgba(255,255,255,.05);
  color:var(--cyan);
  border-color:rgba(119,240,255,.35);
}
.hero-mini{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:36px;
}
.hero-mini article{
  padding:18px;
  border-radius:24px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.hero-mini b{display:block;color:#fff}
.hero-mini span{display:block;color:var(--muted);margin-top:6px;word-break:break-word}
.hero-figure{
  position:relative;
  margin:0;
  padding:28px;
  border:1px solid rgba(119,240,255,.3);
  border-radius:50%;
  background:radial-gradient(circle,#0d3948 0%,#061f2d 60%,#03151f 100%);
  box-shadow:0 0 100px rgba(119,240,255,.18);
}
.hero-figure img{
  border-radius:50%;
  aspect-ratio:1;
  object-fit:cover;
  mix-blend-mode:screen;
}
.hero-figure figcaption{
  position:absolute;
  bottom:18px;
  left:50%;
  transform:translateX(-50%);
  white-space:nowrap;
  background:var(--cyan);
  color:var(--dark);
  border-radius:999px;
  padding:10px 16px;
  font-weight:900;
}
.section,.download-banner,.sub-hero{
  width:min(var(--container),calc(100% - 32px));
  margin:28px auto;
}
.section,.sub-hero{
  padding:42px;
  border-radius:36px;
  background:rgba(6,40,56,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.sub-main{padding-top:10px}
.sub-hero{
  background:linear-gradient(135deg,#062838,#03151f);
}
.sub-hero h1{
  font-size:clamp(44px,6vw,82px);
  line-height:.95;
  letter-spacing:-.06em;
  margin:0 0 16px;
}
.section-title{margin-bottom:28px}
.section-title.center{text-align:center}
.section-title h2,.download-banner h2,.support-section h2,.faq-section h2,.modal-card h2{
  font-size:clamp(38px,5vw,66px);
  line-height:.98;
  letter-spacing:-.055em;
  margin:0 0 14px;
}
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.entry-card{
  min-height:330px;
  text-align:left;
  padding:24px;
  border-radius:28px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.entry-card small,.products span{
  color:var(--cyan);
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:12px;
}
.entry-card h3,.products h3,.path-grid h3,.security-grid h3,.support-section h3{
  font-size:27px;
  line-height:1.08;
  letter-spacing:-.04em;
  margin:16px 0 10px;
}
.entry-card p,.products p,.path-grid p,.security-grid p,.support-section p,.faq-grid p,.site-footer p{
  color:var(--muted);
  line-height:1.76;
}
.entry-card strong{word-break:break-word}
.entry-card.dark{
  background:#03151f;
}
.entry-card.accent{
  background:linear-gradient(180deg,rgba(119,240,255,.16),rgba(255,255,255,.04));
}
.products{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.products article{
  background:linear-gradient(180deg,rgba(119,240,255,.12),rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:30px;
  padding:22px;
}
.ring{
  height:210px;
  border-radius:28px;
  border:1px solid rgba(119,240,255,.3);
  display:flex;
  align-items:center;
  justify-content:center;
  background:#062838;
}
.ring img{
  max-height:165px;
  object-fit:contain;
  filter:drop-shadow(0 18px 22px rgba(0,0,0,.25));
}
.products span{display:inline-block;margin-top:20px}
.products p{min-height:154px}
.products b{
  display:block;
  font-size:30px;
  color:#fff;
  margin:16px 0;
}
.products button{width:100%}
.table-wrap{
  overflow:auto;
  border-radius:26px;
  border:1px solid var(--line);
}
table{
  width:100%;
  border-collapse:collapse;
  background:#062838;
}
th,td{
  padding:18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  color:#c8edf4;
}
th{
  color:#03151f;
  background:var(--cyan);
}
.download-banner{
  padding:42px;
  border-radius:36px;
  background:linear-gradient(135deg,#77f0ff,#dffbff);
  color:#03151f;
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
}
.download-banner .eyebrow,.download-banner span{color:#073846}
.download-banner .btn.primary{
  background:#03151f;
  color:#fff;
}
.path-grid,.security-grid,.faq-grid{
  display:grid;
  gap:16px;
}
.path-grid{grid-template-columns:repeat(3,1fr)}
.security-grid{grid-template-columns:repeat(4,1fr)}
.path-grid article,.security-grid article,.faq-grid details{
  padding:24px;
  border-radius:26px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.path-grid b,.security-grid b{
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  border-radius:16px;
  background:var(--cyan);
  color:#03151f;
  margin-bottom:16px;
}
.faq-grid{grid-template-columns:repeat(2,1fr)}
.faq-grid summary{
  font-size:20px;
  font-weight:900;
  cursor:pointer;
}
.support-section{
  display:grid;
  grid-template-columns:1.05fr .75fr;
  gap:20px;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:20px 0 0;
}
.tags em{
  font-style:normal;
  padding:9px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:#c8edf4;
  font-size:13px;
}
.qr-card{
  text-align:center;
  padding:30px;
  border-radius:30px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.qr-card img{
  width:min(300px,100%);
  margin:0 auto 18px;
  padding:12px;
  border-radius:24px;
  background:#fff;
}
.site-footer{
  margin-top:48px;
  padding:42px 6vw;
  background:#021019;
  display:flex;
  justify-content:space-between;
  gap:24px;
}
.site-footer strong{
  display:block;
  font-size:34px;
  margin-bottom:8px;
}
.site-footer p{max-width:760px}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.footer-links button{
  border:1px solid var(--line);
  background:transparent;
  color:#fff;
  border-radius:999px;
  padding:12px 18px;
  cursor:pointer;
}
.contact-modal{
  display:none;
  position:fixed;
  inset:0;
  z-index:100;
  align-items:center;
  justify-content:center;
}
.contact-modal.open{display:flex}
.modal-mask{
  position:absolute;
  inset:0;
  background:rgba(2,16,25,.72);
  backdrop-filter:blur(12px);
}
.modal-card{
  position:relative;
  z-index:2;
  width:min(460px,calc(100% - 24px));
  background:#fff;
  color:#03151f;
  border-radius:34px;
  padding:30px;
  text-align:center;
}
.modal-close{
  position:absolute;
  right:14px;
  top:10px;
  border:0;
  background:transparent;
  font-size:30px;
  cursor:pointer;
}
.modal-card .eyebrow{color:#077486}
.modal-qr{
  width:min(300px,100%);
  margin:18px auto;
  padding:12px;
  border-radius:24px;
  background:#f4fbfd;
}
.modal-card p{color:#52636b}
.modal-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
}
.float-contact{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:80;
  border:0;
  border-radius:999px;
  background:var(--cyan);
  color:#03151f;
  padding:14px 18px;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 18px 40px rgba(0,0,0,.25);
}
body.lock{overflow:hidden}
@media(max-width:1120px){
  .main-nav{display:none}
  .main-nav.is-open{
    display:flex;
    position:absolute;
    left:0;
    right:0;
    top:76px;
    background:#062838;
    border:1px solid var(--line);
    border-radius:24px;
    padding:16px;
    flex-direction:column;
    align-items:flex-start;
  }
  .menu-btn{display:block}
  .hero,.support-section{grid-template-columns:1fr}
  .entry-grid,.products,.security-grid{grid-template-columns:repeat(2,1fr)}
  .path-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}
  .download-banner,.site-footer{flex-direction:column;align-items:flex-start}
  .footer-links{align-items:flex-start}
}
@media(max-width:720px){
  .hero{padding:28px;min-height:auto}
  .hero h1{font-size:42px}
  .hero-figure{border-radius:34px}
  .hero-figure img{border-radius:26px}
  .hero-mini,.entry-grid,.products,.path-grid,.security-grid,.faq-grid{grid-template-columns:1fr}
  .section,.download-banner,.sub-hero{padding:24px}
  .hero-actions,.modal-actions{flex-direction:column}
  .btn,.products button,.table-btn{width:100%}
}


/* V20 sky-blue technology rendering */
:root{
  --bg:#eafaff;
  --panel:#ffffffcc;
  --panel2:#e9f8ff;
  --cyan:#78d8ff;
  --cyan2:#d8f6ff;
  --text:#10243a;
  --muted:#567084;
  --line:rgba(36,150,210,.22);
  --dark:#10243a;
  --gold:#5db4ff;
  --white:#fff;
  --shadow:0 28px 90px rgba(29,114,175,.16);
}
body{background:radial-gradient(circle at 8% 8%,rgba(120,216,255,.42),transparent 28%),radial-gradient(circle at 88% 12%,rgba(170,226,255,.50),transparent 30%),linear-gradient(180deg,#e7fbff 0%,#f8fdff 46%,#eefbff 100%);color:var(--text)}
body:before{background:linear-gradient(180deg,rgba(255,255,255,.38),transparent 38%),radial-gradient(circle at 75% 18%,rgba(87,179,255,.16),transparent 25%)}
.site-header{background:rgba(255,255,255,.78);border-color:rgba(36,150,210,.20);box-shadow:0 18px 55px rgba(26,110,170,.16)}
.brand strong,.hero h1,.section-title h2,.download-banner h2,.support-section h2,.faq-section h2,.modal-card h2{color:#10243a}
.brand em,.main-nav a,.main-nav button{color:#33536a}.main-nav .nav-contact,.main-nav button{background:linear-gradient(135deg,#78d8ff,#b8efff);color:#10243a}.menu-btn{background:#78d8ff;color:#10243a}.eyebrow{color:#0f8bc2;text-transform:none;letter-spacing:.05em}.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px;color:#59798d;font-size:14px}.breadcrumb a{color:#0f8bc2}.breadcrumb strong{color:#10243a}
.hero{grid-template-columns:1.02fr .9fr;min-height:auto;padding:50px;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(224,248,255,.72));border-color:rgba(36,150,210,.2);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-140px;top:-140px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(120,216,255,.42),transparent 68%)}.hero-copy,.hero-visual{position:relative;z-index:1}.hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1.02;letter-spacing:-.055em}.hero p,.section-title span,.download-banner span,.sub-hero span,.support-section span{color:#5d7283}.btn.primary,.products button,.table-btn,.float-contact{background:linear-gradient(135deg,#58c9ff,#a4eaff);color:#10243a}.btn.secondary{background:#fff;color:#10243a;box-shadow:0 12px 30px rgba(32,126,190,.13)}.btn.ghost{background:rgba(255,255,255,.60);color:#136f9b;border-color:rgba(36,150,210,.25)}.hero-mini article,.section,.entry-card,.products article,.path-grid article,.security-grid article,.faq-grid details,.qr-card,.support-form,.article-grid article,.contact-section{background:rgba(255,255,255,.78);border-color:rgba(36,150,210,.18);box-shadow:0 18px 60px rgba(29,114,175,.10)}.hero-mini b,.entry-card h3,.products h3,.path-grid h3,.security-grid h3,.support-section h3,.article-grid h3{color:#10243a}.hero-mini span,.entry-card p,.products p,.products dd,.path-grid p,.security-grid p,.support-section p,.faq-grid p,.site-footer p,.article-grid p{color:#5d7283}.entry-card small,.products span{color:#0d8ec4;text-transform:none;letter-spacing:.04em}.entry-card.dark{background:linear-gradient(145deg,#dff8ff,#ffffff)}.entry-card.accent{background:linear-gradient(180deg,rgba(120,216,255,.24),rgba(255,255,255,.76))}.three-grid{grid-template-columns:repeat(3,1fr)}
.hero-visual{min-width:0}.hero-slider{position:relative;height:min(520px,52vw);min-height:390px;border-radius:38px;border:1px solid rgba(36,150,210,.2);background:linear-gradient(145deg,#f8feff,#dff7ff);box-shadow:0 28px 80px rgba(29,114,175,.16);overflow:hidden}.slide{position:absolute;inset:0;margin:0;opacity:0;transform:scale(1.04);transition:opacity .7s ease,transform .7s ease;display:grid;place-items:center;padding:36px}.slide.active{opacity:1;transform:scale(1)}.slide img{max-height:72%;object-fit:contain;filter:drop-shadow(0 24px 35px rgba(22,80,120,.25))}.slide figcaption{position:absolute;left:24px;right:24px;bottom:22px;background:rgba(255,255,255,.78);border:1px solid rgba(36,150,210,.18);backdrop-filter:blur(12px);border-radius:24px;padding:16px 18px}.slide figcaption strong{display:block;color:#10243a;font-size:20px}.slide figcaption span{display:block;color:#59798d;margin-top:4px;line-height:1.5}.slider-dots{display:flex;justify-content:center;gap:8px;margin-top:14px}.slider-dots button{width:10px;height:10px;border:0;border-radius:999px;background:#b4d9e7;cursor:pointer}.slider-dots button.active{width:30px;background:#2bbcf4}.product-rich{grid-template-columns:repeat(2,1fr)}.product-card{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:center}.product-image{height:240px;border-radius:28px;background:linear-gradient(145deg,#e7fbff,#ffffff);display:flex;align-items:center;justify-content:center;border:1px solid rgba(36,150,210,.18)}.product-image img{max-height:190px;object-fit:contain}.product-body dl{display:grid;gap:8px;margin:14px 0}.product-body dt{font-weight:900;color:#10243a}.product-body dd{margin:4px 0 0;line-height:1.68}.products p{min-height:auto}.table-wrap{border-color:rgba(36,150,210,.2)}table{background:rgba(255,255,255,.85)}th{background:linear-gradient(135deg,#78d8ff,#d8f6ff);color:#10243a}td{color:#4f687b;border-bottom:1px solid rgba(36,150,210,.15)}.download-banner{background:linear-gradient(135deg,#8edfff,#e7fbff);box-shadow:0 24px 75px rgba(29,114,175,.16)}.download-banner .btn.primary{background:#10243a;color:#fff}.download-banner .btn.ghost{background:rgba(255,255,255,.72)}.download-actions{display:flex;gap:12px;flex-wrap:wrap}.path-grid b,.security-grid b{background:linear-gradient(135deg,#78d8ff,#c9f4ff);color:#10243a}.support-form{padding:28px;border-radius:30px}.support-form label{display:block;margin:14px 0;color:#10243a;font-weight:900}.support-form select,.support-form textarea{width:100%;margin-top:8px;border:1px solid rgba(36,150,210,.25);border-radius:18px;padding:13px 14px;background:#fff;color:#10243a;font:inherit}.support-form textarea{min-height:120px;resize:vertical}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.article-grid article{padding:26px;border-radius:28px}.article-grid h3{font-size:26px;line-height:1.16;margin:0 0 12px}.contact-actions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.tags em{background:rgba(120,216,255,.16);border-color:rgba(36,150,210,.2);color:#33536a}.site-footer{background:#e7f8ff;color:#10243a;border-top:1px solid rgba(36,150,210,.18)}.footer-links button{color:#10243a;border-color:rgba(36,150,210,.25);background:#fff}.modal-mask{background:rgba(16,36,58,.58)}.modal-card{box-shadow:0 40px 100px rgba(16,36,58,.28)}.modal-qr{aspect-ratio:1/1;width:min(320px,82vw);display:flex;align-items:center;justify-content:center;background:#f4fbfd}.modal-qr img{width:100%;height:100%;object-fit:contain;aspect-ratio:1/1}.float-contact{right:18px;bottom:18px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1120px){.hero{grid-template-columns:1fr}.hero-slider{height:480px}.three-grid,.contact-actions-grid{grid-template-columns:repeat(2,1fr)}.product-card{grid-template-columns:1fr}.product-image{height:220px}}
@media(max-width:720px){.site-header{width:calc(100% - 20px);margin-top:10px;border-radius:22px}.brand img{height:38px;width:38px}.brand strong{font-size:17px}.brand em{font-size:11px;letter-spacing:0}.hero{width:calc(100% - 20px);padding:24px;border-radius:28px;margin-top:18px}.hero h1{font-size:38px;letter-spacing:-.045em}.hero p,.section-title span,.download-banner span,.support-section span{font-size:16px;line-height:1.8}.hero-slider{height:380px;min-height:340px;border-radius:28px}.slide{padding:20px}.slide figcaption{left:12px;right:12px;bottom:12px}.section,.download-banner,.sub-hero{width:calc(100% - 20px);border-radius:26px}.three-grid,.product-rich,.article-grid,.contact-actions-grid{grid-template-columns:1fr}.product-card{display:block}.product-image{height:210px;margin-bottom:14px}.download-actions{width:100%;flex-direction:column}.modal-card{width:calc(100% - 24px);border-radius:28px;padding:24px}.float-contact{right:12px;bottom:12px;padding:12px 15px}}