:root{
  --primary:#0088CC;
  --primary-dark:#006fa6;
  --navy:#1A3A5C;
  --gold:#E8A820;
  --bg:#F8FAFC;
  --ink:#1E293B;
  --muted:#64748B;
  --line:#E2E8F0;
  --card:#FFFFFF;
  --shadow:0 8px 24px rgba(26,58,92,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.btn{
  display:inline-block;padding:13px 26px;border-radius:8px;font-weight:600;font-size:15px;
  transition:.2s;cursor:pointer;border:2px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:transparent;border-color:#fff;color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#142d47}

/* NAV */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.25s}
header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 2px 14px rgba(0,0,0,.06);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo img{height:36px;width:auto;display:block}
header:not(.scrolled) .logo,header:not(.scrolled) .nav a:not(.btn){color:#fff}
.nav-links{display:flex;gap:30px;align-items:center;font-size:15px;font-weight:500}
.nav-links a:not(.btn){color:var(--ink);opacity:.85}
.nav-links a:not(.btn):hover{opacity:1;color:var(--primary)}
.nav-links a.active{color:var(--primary);opacity:1}
.menu-btn{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}
/* NAV DROPDOWN */
.dropdown{position:relative}
.dropdown > a{display:flex;align-items:center;gap:5px}
.dropdown .caret{font-size:9px;line-height:1;opacity:.75;transition:transform .2s}
.dropdown:hover > a .caret{transform:translateY(1px) rotate(180deg)}
.submenu{position:absolute;top:100%;left:0;margin-top:14px;min-width:230px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px rgba(26,58,92,.16);
  padding:8px;display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.18s;z-index:60}
.submenu::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.submenu a{padding:10px 14px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--ink);white-space:nowrap}
header:not(.scrolled) .nav-links .submenu a{color:var(--ink)}
.submenu a:hover{background:var(--bg);color:var(--primary)}
.dropdown:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
@media(max-width:880px){
  .dropdown .caret{display:none}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:transparent;padding:0 0 4px 16px;margin:0 0 4px}
  .submenu a{padding:8px 0;white-space:normal}
  .nav-links .dropdown > a{padding:14px 22px}
}

/* HERO */
.hero{
  min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0f2740 0%,#1A3A5C 55%,#006fa6 100%);
  color:#fff;padding-top:68px;
}
.hero::after{content:"";position:absolute;right:-10%;top:-10%;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,136,204,.35),transparent 70%);}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.1;font-weight:800;margin-bottom:18px}
.hero h1 span{color:var(--gold)}
.hero p.lede{font-size:18px;opacity:.9;max-width:520px;margin-bottom:30px}
.hero .slogan{display:inline-block;font-size:13.5px;font-weight:700;letter-spacing:.4px;color:var(--gold);
  border:1px solid rgba(232,168,32,.5);padding:6px 15px;border-radius:30px;margin-bottom:20px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.badges{display:flex;flex-direction:column;gap:14px}
.badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;
  padding:18px 20px;display:flex;gap:14px;align-items:center;backdrop-filter:blur(4px)}
.badge .ic{font-size:26px}
.badge b{display:block;font-size:17px}
.badge small{opacity:.78;font-size:13px}

/* STATS */
.stats{background:var(--navy);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 24px;padding:36px 22px}
.stat{text-align:center}
.stat b{display:block;font-size:34px;font-weight:800;color:var(--gold)}
.stat span{font-size:14px;opacity:.85;letter-spacing:.5px}

/* SECTION */
section{padding:84px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-head .kicker{color:var(--primary);font-weight:700;letter-spacing:1.5px;font-size:13px;text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,4vw,38px);margin:10px 0 14px;font-weight:800}
.sec-head p{color:var(--muted);font-size:16px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-grid h3{font-size:24px;margin-bottom:16px}
.about-grid p{color:var(--muted);margin-bottom:16px}
.about-grid p strong{color:var(--navy)}
.co-cards{display:grid;gap:16px}
.co-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.co-card .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--primary);background:rgba(0,136,204,.1);
  padding:3px 10px;border-radius:20px;margin-bottom:8px}
.co-card h4{font-size:17px;margin-bottom:4px}
.co-card p{font-size:13.5px;color:var(--muted)}

/* PRODUCTS (home preview + overview grid) */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(26,58,92,.14)}
.prod .ph-img{height:200px;width:100%;object-fit:cover;background:#f1f5f9;display:block;border-bottom:1px solid var(--line)}
.prod .body{padding:22px;flex:1;display:flex;flex-direction:column}
.prod .body h4{font-size:19px;margin-bottom:8px}
.prod .body p{color:var(--muted);font-size:14px;margin-bottom:14px}
.prod ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.prod ul li{font-size:13.5px;color:var(--ink);padding-left:20px;position:relative}
.prod ul li::before{content:"▹";color:var(--primary);position:absolute;left:0;font-weight:700}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(26,58,92,.14)}
.pcard a{color:inherit;display:flex;flex-direction:column;height:100%}
.pcard .ph-img{height:200px;width:100%;object-fit:cover;background:#f1f5f9;border-bottom:1px solid var(--line)}
.pcard .body{padding:20px}
.pcard .body h3{font-size:18px;margin-bottom:6px}
.pcard .body p{font-size:13.5px;color:var(--muted)}
.pcard .more{margin-top:12px;font-size:13px;font-weight:700;color:var(--primary)}

/* CERTS */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.cert{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 16px;text-align:center;box-shadow:var(--shadow)}
.cert .seal{width:64px;height:64px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy),var(--primary));color:#fff;font-weight:800;font-size:14px;border:3px solid var(--gold)}
.cert b{display:block;font-size:15px}
.cert small{color:var(--muted);font-size:12.5px}

/* CAPABILITIES */
.cap{background:var(--navy);color:#fff}
.cap .sec-head h2,.cap .sec-head p{color:#fff}
.cap .sec-head .kicker{color:var(--gold)}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:26px 22px}
.cap-item .ic{font-size:30px;margin-bottom:12px}
.cap-item h4{font-size:17px;margin-bottom:8px}
.cap-item p{font-size:13.5px;opacity:.82}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:1000px;margin:0 auto}
.contact-info h3{font-size:24px;margin-bottom:18px}
.ci-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.ci-row .ic{font-size:22px;color:var(--primary);min-width:28px}
.ci-row b{display:block;font-size:15px}
.ci-row span{color:var(--muted);font-size:14px}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.contact-form h4{font-size:18px;margin-bottom:6px}
.contact-form p.note{font-size:13px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,136,204,.15)}
#formResult{min-height:20px;margin-top:6px;font-size:14px}
#formResult.ok{color:#15803d}
#formResult.err{color:#b91c1c}

/* PAGE HERO (sub pages) */
.page-hero{background:linear-gradient(135deg,#0f2740,#1A3A5C 60%,#006fa6);color:#fff;padding:120px 0 56px;text-align:center}
.page-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:12px}
.page-hero p{opacity:.9;font-size:17px;max-width:640px;margin:0 auto}

/* BREADCRUMB */
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:26px}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 8px;color:var(--line)}

/* PRODUCT DETAIL */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.detail-img{width:100%;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);background:#f1f5f9}
.detail h1{font-size:clamp(26px,3.5vw,38px);margin-bottom:14px;line-height:1.15}
.detail .lede{font-size:16px;color:var(--muted);margin-bottom:20px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag-pill{font-size:12px;font-weight:700;color:var(--primary);background:rgba(0,136,204,.1);padding:4px 12px;border-radius:20px}
.spec{width:100%;border-collapse:collapse;margin:18px 0}
.spec th,.spec td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.spec th{width:38%;color:var(--muted);font-weight:600;background:#f8fafc}
.detail h3{font-size:19px;margin:26px 0 12px}
.detail ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.detail ul li{font-size:14px;padding-left:20px;position:relative}
.detail ul li::before{content:"▹";color:var(--primary);position:absolute;left:0;font-weight:700}
.detail .cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* FOOTER */
footer{background:#0f2740;color:#cbd5e1;padding:46px 0 28px;font-size:14px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
footer h5{color:#fff;font-size:15px;margin-bottom:12px}
footer a{display:block;opacity:.8;margin-bottom:7px}
footer a:hover{opacity:1;color:var(--gold)}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:13px;opacity:.7;text-align:center}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:30px}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .about-grid,.contact-grid,.detail-grid{grid-template-columns:1fr;gap:30px}
  .prod-grid,.products-grid{grid-template-columns:1fr 1fr}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav-links{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    padding:10px 0;box-shadow:0 10px 24px rgba(0,0,0,.08);display:none}
  .nav-links.open{display:flex}
  .nav-links a:not(.btn){padding:14px 22px;width:100%}
  .nav-links .btn{margin:8px 22px}
  .menu-btn{display:block}
}
@media(max-width:560px){
  .prod-grid,.products-grid,.cert-grid,.cap-grid{grid-template-columns:1fr}
}
/* SEARCH */
.search-box{position:relative;display:flex;align-items:center}
.search-box input{height:38px;width:170px;border:1px solid var(--line);border-radius:20px;padding:0 14px;background:var(--card);color:var(--ink);font-size:14px}
.search-box input:focus{outline:none;border-color:var(--primary)}
.search-results{position:absolute;top:48px;right:0;width:300px;max-height:380px;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:none;z-index:60}
.search-results.open{display:block}
.search-results a{display:block;padding:10px 12px;border-radius:8px;color:var(--ink);text-decoration:none}
.search-results a:hover{background:var(--bg)}
.search-results .sr-cat{font-size:12px;color:var(--muted);margin-top:2px}
.search-results .sr-empty{padding:12px;color:var(--muted);font-size:13px}
@media(max-width:900px){
  .search-box{width:100%}
  .search-box input{width:100%}
  .search-results{left:0;right:0;width:auto}
}

/* NEWS / INSIGHTS */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(26,58,92,.14)}
.news-card .nc-banner{background:linear-gradient(135deg,#0f2740,#1A3A5C 60%,#006fa6);padding:30px 26px;color:#fff}
.news-card .nc-banner .nc-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.5px;text-transform:uppercase;margin-bottom:10px}
.news-card .nc-banner h3{font-size:20px;line-height:1.35;margin:0}
.news-card .nc-body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
.news-card .nc-body p{font-size:14px;color:var(--muted);margin-bottom:16px;flex:1}
.news-card .nc-body .nc-meta{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.news-card .more{font-size:14px;font-weight:700;color:var(--primary)}

/* ARTICLE BODY */
.article{max-width:780px;margin:0 auto}
.article .post-meta{color:var(--muted);font-size:14px;margin-bottom:24px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.article .post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);display:inline-block}
.article .lead{font-size:18.5px;line-height:1.7;color:var(--ink);margin-bottom:26px}
.article h2{font-size:25px;margin:38px 0 14px;line-height:1.3}
.article h3{font-size:20px;margin:26px 0 10px}
.article p{font-size:16px;line-height:1.78;margin-bottom:16px;color:#334155}
.article ul,.article ol{margin:0 0 18px 22px}
.article li{font-size:16px;line-height:1.7;margin-bottom:9px;color:#334155}
.article a.txt{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.article .note{background:rgba(0,136,204,.07);border-left:3px solid var(--primary);padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 22px;font-size:15px;color:var(--ink)}
.article .rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:16px;margin:18px 0 8px}
.article .rel-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);transition:.2s;text-decoration:none;color:inherit;display:flex;flex-direction:column}
.article .rel-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(26,58,92,.12)}
.article .rel-card h4{font-size:15px;margin-bottom:6px;line-height:1.4}
.article .rel-card p{font-size:13px;color:var(--muted);margin:0}
.article .rel-card .more{margin-top:10px;font-size:13px;font-weight:700;color:var(--primary)}
@media(max-width:560px){.news-grid{grid-template-columns:1fr}}

.article figure.art-fig{margin:30px 0}
.article figure.art-fig img{width:100%;border-radius:12px;display:block;box-shadow:var(--shadow)}
.article figure.art-fig figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.55}