*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#f3f4f8;
  --surface:#ffffff;
  --surface-2:#f7f8fb;
  --surface-3:#eef2f8;
  --ink:#101728;
  --muted:#667188;
  --muted-2:#8893aa;
  --line:#dde3ee;
  --deep:#0d1730;
  --deep-2:#14274b;
  --primary:#0a66f6;
  --primary-2:#75a9ff;
  --accent:#d8e7ff;
  --shadow:0 26px 60px rgba(15,25,47,.08);
  --shadow-strong:0 34px 90px rgba(15,25,47,.18);
  --radius-xl:36px;
  --radius-lg:26px;
  --radius-md:20px;
  --container:1280px;
}
html,body{margin:0;padding:0}
body{
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(10,102,246,.10), transparent 18%),
    linear-gradient(180deg,#fafbfe 0%,#f1f3f8 48%,#eef1f6 100%);
  line-height:1.75;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
.container{width:min(var(--container), calc(100% - 32px));margin:0 auto}

.section-tag,.mini-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--primary);
}
.section-tag::before,.mini-label::before{
  content:"";
  width:28px;height:2px;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.mini-label::before{width:20px}
h1,h2,h3,p{margin:0}
h1,h2,h3{color:var(--ink)}
p{color:var(--muted)}
.section-head{max-width:820px;margin:0 0 24px}
.section-head.center{text-align:center;margin-inline:auto}
.section-head h2,.hero-left h1,.sub-hero-copy h1,.banner-shell h2,.contact-copy h2{
  margin:14px 0 12px;
  font-size:clamp(42px,5.6vw,82px);
  line-height:.95;
  letter-spacing:-.06em;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:14px 22px;
  border:1px solid transparent;
  font-weight:900;
  transition:transform .24s ease, box-shadow .24s ease, background .24s ease;
  cursor:pointer;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--deep),var(--primary));
  color:#fff;
  box-shadow:0 18px 40px rgba(12,34,74,.22);
}
.btn-secondary{
  background:#fff;
  color:var(--ink);
  border-color:var(--line);
  box-shadow:var(--shadow);
}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:rgba(16,23,40,.18);
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(250,251,254,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(16,23,40,.06);
}
.header-shell{
  min-height:82px;
  display:flex;
  align-items:center;
  gap:18px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:14px;min-width:max-content}
.brand-mark{
  width:48px;height:48px;border-radius:16px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--deep),var(--primary));
  color:#fff;font-size:24px;font-weight:900;
  box-shadow:0 18px 34px rgba(10,102,246,.22);
}
.brand-copy{display:flex;flex-direction:column;gap:2px}
.brand-copy strong{font-size:18px;line-height:1.05}
.brand-copy em{font-style:normal;color:var(--muted-2);font-size:12px;letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.main-nav a,.nav-link{
  background:transparent;border:0;padding:0;cursor:pointer;
  font-size:14px;font-weight:800;color:var(--ink);
}
.main-nav a:hover,.nav-link:hover{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;border:0;background:transparent;padding:0;margin-left:auto;cursor:pointer}
.nav-toggle span{display:block;width:25px;height:2px;background:var(--ink);border-radius:999px;margin:5px 0}

/* Hero */
.hero-monument{padding:38px 0 28px}
.hero-grid{
  display:grid;
  grid-template-columns:1.03fr .97fr;
  gap:20px;
  align-items:stretch;
}
.hero-left{
  background:linear-gradient(145deg,#fbfcff 0%,#f2f4fa 100%);
  border:1px solid var(--line);
  border-radius:42px;
  padding:42px;
  box-shadow:var(--shadow);
}
.hero-left h1{margin:18px 0 16px}
.hero-text{font-size:17px;max-width:700px}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:34px;
}
.hero-stats article{
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  padding:18px 18px 20px;
  box-shadow:var(--shadow);
}
.hero-stats strong{
  display:block;
  font-size:34px;
  line-height:1;
  letter-spacing:-.06em;
}
.hero-stats span{display:block;margin-top:8px;color:var(--muted)}

.hero-right{
  display:grid;
  grid-template-rows:1fr auto;
  gap:16px;
}
.hero-featured{
  background:
    linear-gradient(155deg,#0d1730 0%,#14274b 38%,#0a66f6 130%);
  border-radius:42px;
  padding:26px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  min-height:410px;
  box-shadow:var(--shadow-strong);
  overflow:hidden;
  position:relative;
}
.hero-featured::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.10);
  filter:blur(10px);
}
.hero-featured-copy{
  position:relative;z-index:2;
  display:flex;flex-direction:column;justify-content:space-between;
}
.hero-featured-copy small{
  font-size:12px;letter-spacing:.15em;text-transform:uppercase;font-weight:900;color:rgba(255,255,255,.72)
}
.hero-featured-copy h2{
  margin:12px 0 10px;
  color:#fff;
  font-size:54px;
  line-height:.95;
  letter-spacing:-.06em;
}
.hero-featured-copy p{color:rgba(255,255,255,.84)}
.hero-featured-copy a{
  display:inline-flex;width:max-content;
  margin-top:22px;
  padding:12px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);
  color:#fff;font-weight:900;
  border:1px solid rgba(255,255,255,.12);
}
.hero-featured-image{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:center;
  padding:12px;
}
.hero-featured-image img{
  max-height:300px;
  object-fit:contain;
  filter:drop-shadow(0 24px 34px rgba(0,0,0,.28));
}
.hero-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.hero-link-card{
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:26px;
  padding:20px;
}
.hero-link-card span{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:900;
  color:var(--primary);
}
.hero-link-card strong{
  display:block;
  margin-top:10px;
  font-size:20px;
  line-height:1.15;
  word-break:break-word;
}

/* Sections */
.entry-rail,.showcase-rows,.comparison-teaser,.download-banner,.insight-deck,.faq-stage,.product-grid-stage,.selection-stage,.compare-stage,.info-columns,.portal-stage,.service-columns,.contact-stage{padding:30px 0}

.entry-grid,.duo-grid,.insight-grid,.faq-grid,.product-grid,.selection-grid,.info-grid,.portal-grid,.service-columns-grid{
  display:grid;
  gap:16px;
}
.entry-grid{grid-template-columns:repeat(4,1fr)}
.entry-card{
  border:0;
  text-align:left;
  cursor:pointer;
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
}
.entry-card b,.selection-card b{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;border-radius:16px;
  background:var(--accent);
  color:var(--deep);
  font-size:18px;font-weight:900;
}
.entry-card h3,.showcase-copy h3,.duo-body h3,.selection-card h3,.portal-card h2,.service-box h3,.insight-card h3,.info-card h3{
  margin:18px 0 10px;
  font-size:30px;
  line-height:1.02;
  letter-spacing:-.05em;
}

.showcase-row{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:18px;
  align-items:center;
  margin-top:18px;
}
.showcase-row.reverse{
  grid-template-columns:.95fr 1.05fr;
}
.showcase-row.reverse .showcase-copy{order:2}
.showcase-row.reverse .showcase-image{order:1}
.showcase-copy{
  background:#fff;
  border:1px solid var(--line);
  border-radius:36px;
  padding:32px;
  box-shadow:var(--shadow);
}
.showcase-copy h3{font-size:60px}
.showcase-image{
  background:linear-gradient(180deg,#ffffff,#edf3ff);
  border:1px solid var(--line);
  border-radius:36px;
  padding:30px;
  box-shadow:var(--shadow);
  min-height:360px;
  display:flex;align-items:center;justify-content:center;
}
.showcase-image img{
  max-height:280px;
  object-fit:contain;
  filter:drop-shadow(0 24px 32px rgba(21,40,76,.16));
}
.chip-list{
  display:flex;flex-wrap:wrap;gap:10px;
  list-style:none;padding:0;margin:24px 0 0;
}
.chip-list li,.mini-pill{
  padding:9px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  font-weight:800;
}
.duo-grid{grid-template-columns:repeat(2,1fr);margin-top:18px}
.duo-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.duo-image{
  min-height:250px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#fdfdff,#eef3ff);
  border-bottom:1px solid var(--line);
  padding:24px;
}
.duo-image img{max-height:200px;object-fit:contain;filter:drop-shadow(0 20px 28px rgba(21,40,76,.16))}
.duo-body{padding:24px}

.teaser-grid,.contact-grid,.sub-hero-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:18px;
  align-items:stretch;
}
.teaser-copy,.contact-copy,.sub-hero-copy{
  background:#fff;
  border:1px solid var(--line);
  border-radius:36px;
  padding:32px;
  box-shadow:var(--shadow);
}
.teaser-copy h2,.contact-copy h2,.sub-hero-copy h1{
  margin:14px 0 12px;
  font-size:clamp(36px,4.2vw,68px);
  line-height:.95;
  letter-spacing:-.05em;
}
.teaser-actions,.contact-actions,.modal-actions,.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.teaser-board{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.teaser-board article,.sub-hero-side article{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:22px;
  box-shadow:var(--shadow);
}
.teaser-board small,.sub-hero-side small{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:900;
  color:var(--primary);
}
.teaser-board strong,.sub-hero-side strong{
  display:block;
  margin:10px 0 8px;
  font-size:26px;
  line-height:1.02;
}
.teaser-board span,.sub-hero-side span{color:var(--muted)}

.banner-shell{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:22px;
  padding:34px;
  border-radius:40px;
  background:linear-gradient(135deg,#0d1730 0%,#173669 50%,#0a66f6 130%);
  box-shadow:var(--shadow-strong);
}
.banner-shell h2{
  color:#fff;
  font-size:clamp(34px,4vw,64px);
}
.banner-shell p{max-width:720px;color:rgba(255,255,255,.82)}
.banner-shell .btn-secondary{
  background:#fff;
  border-color:#fff;
}
.banner-shell .btn-outline{
  color:#fff;
  border-color:rgba(255,255,255,.24);
}

.insight-grid,.info-grid,.service-columns-grid{grid-template-columns:repeat(3,1fr)}
.insight-card,.info-card,.service-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
}

.faq-grid{grid-template-columns:repeat(2,1fr)}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:22px 24px;
  box-shadow:var(--shadow);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  font-size:18px;
  font-weight:900;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{margin-top:10px}

.sub-hero{padding:34px 0 20px}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  margin-bottom:22px;
  font-size:14px;color:var(--muted);
}
.breadcrumb strong{color:var(--ink)}
.sub-hero-side{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}

.product-grid{grid-template-columns:repeat(2,1fr)}
.product-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.product-art{
  min-height:280px;
  background:linear-gradient(180deg,#ffffff,#edf3ff);
  display:flex;align-items:center;justify-content:center;
  padding:28px;
  border-bottom:1px solid var(--line);
}
.product-art img{max-height:220px;object-fit:contain;filter:drop-shadow(0 20px 28px rgba(21,40,76,.16))}
.product-copy{padding:26px}
.product-copy h2{margin:12px 0 10px;font-size:40px;line-height:.96;letter-spacing:-.05em}

.selection-grid{grid-template-columns:repeat(4,1fr)}
.selection-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:26px;
  box-shadow:var(--shadow);
}

.compare-table{
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.compare-head,.compare-row{
  display:grid;
  grid-template-columns:1.2fr .95fr 1.2fr 1fr .9fr .65fr;
  gap:14px;
  align-items:center;
  padding:18px 20px;
}
.compare-head{
  background:#edf3ff;
  font-weight:900;
}
.compare-row{
  border-top:1px solid var(--line);
}
.compare-row strong{font-size:18px}
.mini-pill{
  border:0;
  background:#edf3ff;
  color:var(--primary);
  cursor:pointer;
}

.portal-grid{grid-template-columns:repeat(4,1fr)}
.portal-card{
  text-align:left;
  border:0;
  cursor:pointer;
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
  min-height:280px;
  display:flex;flex-direction:column;justify-content:space-between;
}
.portal-card strong{
  display:block;
  margin-top:22px;
  word-break:break-word;
  color:var(--ink);
}

.contact-grid{
  grid-template-columns:1fr .9fr;
}
.contact-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:36px;
  padding:28px;
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
}
.contact-qr-frame{
  width:min(360px,100%);
  padding:18px;
  background:linear-gradient(180deg,#fbfcff,#eff3fa);
  border:1px solid var(--line);
  border-radius:28px;
}
.contact-qr-frame img{width:100%}

.site-footer{
  padding:12px 0 0;
}
.footer-shell{
  display:flex;
  justify-content:space-between;
  gap:28px;
  padding:34px 0 44px;
  border-top:1px solid rgba(16,23,40,.08);
}
.footer-brand strong{font-size:30px}
.footer-brand p{margin-top:10px;max-width:700px}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.footer-contact{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:12px 18px;
  font-weight:900;
  cursor:pointer;
}

/* Modal */
.contact-modal{
  position:fixed;
  inset:0;
  z-index:160;
  display:none;
  align-items:center;
  justify-content:center;
}
.contact-modal.open{display:flex}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(8,15,30,.62);
  backdrop-filter:blur(12px);
}
.modal-panel{
  position:relative;
  z-index:2;
  width:min(460px,calc(100% - 24px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:34px;
  padding:28px;
  text-align:center;
  box-shadow:var(--shadow-strong);
}
.modal-close{
  position:absolute;
  right:14px;top:10px;
  border:0;background:transparent;
  font-size:30px;cursor:pointer;color:var(--ink);
}
.modal-panel h2{
  margin:12px 0 16px;
  font-size:44px;
  line-height:1;
  letter-spacing:-.05em;
}
.modal-qr{
  width:min(300px,100%);
  margin:0 auto;
  padding:14px;
  border-radius:24px;
  background:linear-gradient(180deg,#fbfcff,#eff3fa);
  border:1px solid var(--line);
}
.modal-panel p{margin-top:14px}
.modal-actions{justify-content:center}
.floating-service{
  position:fixed;
  right:18px;bottom:18px;
  z-index:120;
  padding:14px 18px;
  border:0;
  border-radius:999px;
  background:linear-gradient(135deg,var(--deep),var(--primary));
  color:#fff;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 20px 46px rgba(10,102,246,.26);
}
body.lock{overflow:hidden}

/* reveal */
.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .75s ease, transform .75s ease;
}
.reveal.visible{
  opacity:1;
  transform:none;
}

/* responsive */
@media (max-width:1180px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:block}
  .header-shell.open .main-nav{
    display:flex;
    position:absolute;
    left:0;right:0;top:76px;
    flex-direction:column;
    gap:0;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--shadow);
  }
  .header-shell.open .main-nav a,.header-shell.open .nav-link{
    padding:12px 14px;text-align:left;
  }
  .header-shell.open .header-actions{
    display:flex;
    position:absolute;
    left:0;right:0;top:322px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--shadow);
  }

  .hero-grid,.teaser-grid,.contact-grid,.sub-hero-grid,.showcase-row,.showcase-row.reverse{
    grid-template-columns:1fr;
  }
  .showcase-row.reverse .showcase-copy,.showcase-row.reverse .showcase-image{order:initial}
  .entry-grid,.selection-grid,.portal-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid,.insight-grid,.info-grid,.service-columns-grid,.hero-links,.duo-grid,.faq-grid,.sub-hero-side,.teaser-board{grid-template-columns:1fr 1fr}
  .banner-shell,.footer-shell{flex-direction:column;align-items:flex-start}
  .footer-links{align-items:flex-start}
}
@media (max-width:760px){
  .container{width:min(var(--container), calc(100% - 22px))}
  .hero-left,.showcase-copy,.showcase-image,.teaser-copy,.contact-copy,.sub-hero-copy,.portal-card,.entry-card,.insight-card,.info-card,.service-box,.selection-card,.product-copy,.contact-card{padding:22px}
  .hero-actions,.teaser-actions,.contact-actions,.banner-actions,.modal-actions,.header-shell.open .header-actions{flex-direction:column}
  .hero-stats,.entry-grid,.duo-grid,.insight-grid,.faq-grid,.product-grid,.selection-grid,.info-grid,.portal-grid,.service-columns-grid,.hero-links,.sub-hero-side,.teaser-board,.compare-row{
    grid-template-columns:1fr;
  }
  .compare-head{display:none}
  .compare-table{
    background:transparent;
    border:0;
    box-shadow:none;
  }
  .compare-row{
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    margin-bottom:12px;
    box-shadow:var(--shadow);
  }
  .hero-featured{
    grid-template-columns:1fr;
    min-height:auto;
  }
  .showcase-copy h3,.product-copy h2,.entry-card h3,.selection-card h3,.portal-card h2,.service-box h3,.insight-card h3,.info-card h3{
    font-size:34px;
  }
  .btn{width:100%}
  .footer-links{width:100%}
  .footer-links a,.footer-contact{width:100%;text-align:center}
}