:root{
  --navy:#0E3E63; --navy2:#155A8F; --blue:#1E90D6; --blue-l:#54B4EA;
  --bg:#F5F9FD; --white:#FFFFFF; --ink:#16283A; --muted:#5B7086; --line:#DFE8F2;
  --cyan:#12B5C9;
  --gold:#E0A94E; --radius:10px; --shadow:0 2px 12px rgba(14,62,99,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"Segoe UI",Arial,"Helvetica Neue",Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden;max-width:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-l)}
ul{list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-weight:600;line-height:1.3;color:var(--navy)}

/* ---------- header ---------- */
.topbar{background:var(--navy);color:#BFD4E6;font-size:12px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:8px;flex-wrap:wrap}
.topbar a{color:#DDE8F2}
.hdr{background:var(--white);border-bottom:1px solid var(--line);position:relative;z-index:50}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy)}
.logo-mark{width:38px;height:38px;flex:0 0 38px}
.logo-name{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62vw}
.logo-sub{font-size:10px;color:var(--muted);letter-spacing:2px}
.nav{display:flex;align-items:center;gap:4px}
.nav a{display:block;padding:10px 13px;color:var(--ink);font-size:13.5px;border-radius:6px;white-space:nowrap;text-transform:uppercase;letter-spacing:.4px;font-weight:600}
.nav a:hover,.nav a.on{background:#E9F4FB;color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);margin:4px 0}
@media(max-width:900px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:13px 20px;border-top:1px solid var(--line);border-radius:0}
  .nav-toggle{display:block}
  .topbar .hide-s{display:none}
}

/* ---------- hero ---------- */
.hero{background:linear-gradient(125deg,#0A2B47 0%,#12507E 45%,#1E90D6 100%);color:#DCE8F4;position:relative;overflow:hidden}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px}
.hero .wrap{position:relative;padding:64px 16px 72px;max-width:1200px}
.hero h1{color:#fff;font-size:34px;line-height:1.25;max-width:640px}
.hero p{margin-top:14px;max-width:560px;color:#BBD6EA;font-size:15.5px}
.hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.stats-strip{background:linear-gradient(90deg,#12507E 0%,#1A74B0 60%,#1E90D6 100%);color:#fff}
.stats-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:0 16px}
.stat{padding:20px 10px;text-align:center}
.stat b{display:block;font-size:24px;color:#fff}
.stat span{font-size:12.5px;color:#A8C4DA}
@media(max-width:640px){
  .hero .wrap{padding:44px 16px 50px}
  .hero h1{font-size:25px}
  .stats-strip .wrap{grid-template-columns:repeat(2,1fr)}
  .stat{padding:14px 6px}
  .stat b{font-size:20px}
}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-size:14.5px;font-weight:600;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-l);color:#fff}
.btn-outline{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy2);color:#fff}
.btn-ghost{background:#EDF5FB;color:var(--navy)}
.btn-ghost:hover{background:#DCEBF7;color:var(--navy)}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:6px}

/* ---------- sections ---------- */
.sec{padding:56px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 36px}
.sec-head .kicker{color:var(--blue);font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;font-weight:700}
.sec-head h2{font-size:26px;margin-top:6px}
.sec-head p{color:var(--muted);margin-top:10px;font-size:14.5px}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- cards ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s;display:block;color:var(--ink)}
.card:hover{box-shadow:var(--shadow)}
.card-img{aspect-ratio:1/1;overflow:hidden;background:#EEF4FA}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:14px 16px 16px}
.card-body h3{font-size:15.5px;line-height:1.4}
.card-body .model{color:var(--blue);font-size:12.5px;font-weight:600;letter-spacing:.5px}
.card-body p{color:var(--muted);font-size:13px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card.art .card-img{aspect-ratio:16/9}
.card .meta{font-size:12px;color:#8CA0B3;margin-top:8px}

/* ---------- product detail ---------- */
.crumbs{font-size:12px;color:var(--muted);padding:0}
.crumbs a{color:var(--muted)}
.detail{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.detail-top{display:grid;grid-template-columns:440px 1fr;gap:0}
.detail-cover{background:#EEF4FA;aspect-ratio:1/1}
.detail-cover img{width:100%;height:100%;object-fit:cover}
.detail-info{padding:28px 30px;min-width:0}
.detail-info .model{color:var(--blue);font-weight:700;letter-spacing:1px;font-size:13.5px}
.detail-info h1{font-size:24px;margin-top:4px}
.detail-info .sum{color:var(--muted);margin-top:12px;font-size:14.5px}
.detail-actions{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:800px){
  .detail-top{grid-template-columns:1fr}
  .detail-info{padding:20px 18px}
}
.params{padding:26px 30px 30px;border-top:1px solid var(--line);min-width:0}
.params h2{font-size:18px;margin-bottom:14px}
.ptable{width:100%;border-collapse:collapse;font-size:14px}
.ptable td{border:1px solid var(--line);padding:9px 14px}
.ptable td:first-child{background:#EFF6FB;color:var(--navy);font-weight:600;width:32%}
.ptable-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:600px){.ptable td{padding:8px 10px;font-size:13px}}
/* two-column key specs (Technical Specifications) */
table.ptable.cols2{width:100%;table-layout:fixed;border-collapse:collapse;font-size:11.5px;line-height:1.4}
table.ptable.cols2 td{border:1px solid var(--line);padding:6px 8px;vertical-align:top;word-break:break-word;overflow-wrap:anywhere}
table.ptable.cols2 .pk{width:23%;background:#EFF6FB;color:var(--navy);font-weight:600;font-size:11px}
table.ptable.cols2 .pv{width:27%;color:#2C4257}
table.ptable.cols2 td[colspan]{width:auto}
@media(max-width:640px){
  table.ptable.cols2{font-size:11px}
  table.ptable.cols2 td{padding:5px 6px}
  table.ptable.cols2 .pk{font-size:10.5px}
}
.rich{font-size:15px;color:#2C4257;min-width:0}
.rich h2,.rich h3{margin:18px 0 8px}
.rich p{margin:10px 0}
.rich ul{list-style:disc;padding-left:22px;margin:10px 0}
.rich img{border-radius:8px}
.rt-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;border:1px solid var(--line);border-radius:8px;max-width:100%}
.rich .rt-wrap table{margin:0;border:0;min-width:560px}
.rich table{width:100%;border-collapse:collapse;font-size:11.5px;margin:12px 0}
.rich table th,.rich table td{border:1px solid var(--line);padding:5px 6px;text-align:left;vertical-align:top;word-break:break-word;overflow-wrap:anywhere}
.rich table th{background:var(--navy);color:#fff;font-weight:600;font-size:11px;line-height:1.35}
.rich table td:first-child{background:#EFF6FB;color:var(--navy);font-weight:600}
.rich .note{font-size:12.5px;color:var(--muted);margin-top:10px}
@media(min-width:769px){
  .rich table{table-layout:fixed}
  .rich table th:first-child,.rich table td:first-child{width:112px}
  .rich table th:nth-child(2),.rich table td:nth-child(2){width:60px}
}
@media(max-width:768px){
  .rich table th{white-space:nowrap}
}
@media(max-width:600px){.rich table{font-size:11px}.rich table th,.rich table td{padding:5px 5px}}

/* ---------- feature blocks ---------- */
.feat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feat .ico{width:44px;height:44px;border-radius:10px;background:#E9F4FB;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feat h3{font-size:15.5px}
.feat p{color:var(--muted);font-size:13.5px;margin-top:6px}

/* ---------- category chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px}
.chip{padding:8px 16px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:13.5px;color:var(--ink)}
.chip.on,.chip:hover{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- contact / forms ---------- */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.frow{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#FBFDFE}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.field textarea{min-height:120px;resize:vertical}
.contact-info{background:var(--navy);color:#CBE0F0;border-radius:var(--radius);padding:26px}
.contact-info h2{color:#fff;font-size:19px;margin-bottom:14px}
.contact-info .row{display:flex;gap:10px;margin-top:10px;font-size:14px;align-items:flex-start}
.contact-info .row svg{flex:0 0 18px;margin-top:3px}

/* ---------- footer ---------- */
.footer{background:var(--navy);color:#A9C1D6;margin-top:60px}
.footer a{color:#C9D9E8}
.footer a:hover{color:#fff}
.footer-cols{display:grid;grid-template-columns:2fr 1fr 1.4fr 1.6fr;gap:26px;padding:44px 0 34px}
.footer h4{color:#fff;font-size:14px;letter-spacing:1px;margin-bottom:14px;text-transform:uppercase}
.footer li{margin:7px 0;font-size:13.5px}
.footer .about-txt{font-size:13.5px;color:#8FA9C0;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:12.5px;color:#7E97AE}
.footer-bottom .wrap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
@media(max-width:900px){.footer-cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-cols{grid-template-columns:1fr}}

/* ---------- floating whatsapp ---------- */
.wa-float{position:fixed;right:14px;bottom:96px;z-index:80;width:52px;height:52px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.22)}
.wa-float:hover{transform:scale(1.06)}

/* ---------- pagination ---------- */
.pager{display:flex;gap:8px;justify-content:center;margin:30px 0 8px;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;padding:8px 12px;text-align:center;border-radius:8px;font-size:13.5px;background:var(--white);border:1px solid var(--line);color:var(--ink)}
.pager .cur{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.pager .dots{border:none;background:none}

/* ---------- search box ---------- */
.searchbar{display:flex;gap:10px;max-width:560px;margin:0 auto}
.searchbar input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px}

/* ---------- misc ---------- */
.page-title{background:linear-gradient(120deg,var(--navy),#1C7AB4);color:#fff;padding:10px 0}
.page-title h1,.page-title .pt-name{color:#fff;font-size:19px}
.detail h1{word-break:break-word}
.page-title .crumbs a,.page-title .crumbs{color:#A8C4DA}
.nores{text-align:center;color:var(--muted);padding:60px 0}
.banner-sm{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#EEF4FA}
.banner-sm img{width:100%;height:100%;object-fit:cover}
.two-col{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center}
@media(max-width:800px){.two-col{grid-template-columns:1fr}}
.tagline{color:var(--blue);font-weight:700;letter-spacing:2px;font-size:12.5px;text-transform:uppercase}

/* ---------- sidebar layout (products / articles) ---------- */
.with-side{display:grid;grid-template-columns:250px 1fr;gap:26px;align-items:start}
@media(max-width:800px){.with-side{grid-template-columns:1fr}}
.side-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:18px}
.side-box h3{font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--navy);margin-bottom:12px}
.side-box .side-search{display:flex;gap:8px}
.side-box .side-search input{flex:1;min-width:0;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.side-links li{margin:2px 0}
.side-links a{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:8px;color:var(--ink);font-size:13.5px}
.side-links a:hover{background:#EDF5FB;color:var(--blue)}
.side-links a.on{background:var(--navy);color:#fff;font-weight:600}
.side-links a .cnt{font-size:11.5px;color:var(--muted)}
.side-links a.on .cnt{color:#B9CFE2}
.side-art{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.side-art:last-child{border-bottom:none}
.side-art img{width:64px;height:44px;object-fit:cover;border-radius:6px;flex:0 0 64px}
.side-art .t{font-size:12.5px;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-art .v{font-size:11px;color:var(--muted);margin-top:3px}
.side-art:hover .t{color:var(--blue)}

/* ---------- category cards with background ---------- */
.cat-card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;color:#fff;isolation:isolate}
.cat-card img.bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .3s}
.cat-card:hover img.bgimg{transform:scale(1.05)}
.cat-card .ovl{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,80,126,.30) 0%,rgba(10,43,71,.86) 100%);z-index:-1}
.cat-card .cc-body{position:absolute;left:0;right:0;bottom:0;padding:18px 16px;text-align:center}
.cat-card .cc-body h3{color:#fff;font-size:16.5px}
.cat-card .cc-body p{font-size:12.5px;color:#CBE0F0;margin:6px auto 0;max-width:92%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- FAQ accordion ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:600;color:var(--navy);font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:#E9F4FB;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:400;transition:transform .2s}
.faq-item[open] summary .pm{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-item .faq-a{padding:0 18px 16px;color:#2C4257;font-size:14px}

/* ---------- hero banner slider ---------- */
.hero{min-height:480px}
.hero-slide{display:none;min-height:480px;position:relative;overflow:hidden}
.hero-slide.on{display:flex;flex-direction:column;justify-content:center}
.hero-slide .bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-slide .ovl{position:absolute;inset:0;background:linear-gradient(95deg,rgba(10,43,71,.90) 0%,rgba(18,80,126,.68) 52%,rgba(30,144,214,.30) 100%)}
.hero-slide .wrap{position:relative;padding:70px 16px;max-width:1200px;width:100%}
.hero-dots{position:absolute;bottom:22px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:5}
.hero-dots button{width:26px;height:5px;border-radius:3px;border:none;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.hero-dots button.on{background:#fff}
@media(max-width:768px){
  .hero,.hero-slide{min-height:0}
  .hero-slide.on{display:flex;flex-direction:column;justify-content:flex-start}
  .hero-slide .bgimg{position:static;width:100%;height:auto;object-fit:contain;background:#0A2B47}
  .hero-slide .ovl{display:none}
  .hero-slide .wrap{padding:26px 16px 58px}
  .hero-slide h1{font-size:22px}
  .hero-dots{bottom:16px}
}

/* ---------- about page ---------- */
.about-media{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#EEF4FA}
.about-media .cap{padding:11px 16px;font-size:12.5px;color:var(--muted)}
.ms-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.ms-card .ms-img{aspect-ratio:16/10;overflow:hidden;background:#EEF4FA}
.ms-card .ms-img img{width:100%;height:100%;object-fit:cover}
.ms-card .ms-body{padding:18px 20px 20px}
.ms-card h3{font-size:15.5px;color:var(--navy)}
.ms-card p{color:var(--muted);font-size:13.5px;margin-top:7px;line-height:1.65}
.ms-card .ms-step{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:1.5px;color:var(--blue);margin-bottom:6px}

/* ---------- inquiry card (about / inline lead form) ---------- */
.lead-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
@media(max-width:860px){.lead-wrap{grid-template-columns:1fr}}
.inquiry-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;box-shadow:var(--shadow)}
.inquiry-card h2{font-size:20px;color:var(--navy)}
.inquiry-card .sub{color:var(--muted);font-size:13.5px;margin:6px 0 16px;line-height:1.6}
.inquiry-card .frow{grid-template-columns:1fr 1fr}
.inquiry-card textarea{min-height:92px}
.inquiry-card .btn-primary{width:100%;padding:12px}
.alert-ok{background:#EAF8F1;border:1px solid #B7E4C9;color:#14663C;border-radius:8px;padding:14px 16px;font-size:14px;margin-bottom:12px}
.alert-err{background:#FDEEEE;border:1px solid #F2C6C6;color:#93312E;border-radius:8px;padding:14px 16px;font-size:14px;margin-bottom:12px}
.trust-list{margin-top:16px;display:grid;gap:8px}
.trust-list li{display:flex;gap:9px;font-size:13px;color:var(--muted);align-items:flex-start}
.trust-list svg{flex:0 0 15px;margin-top:3px}
.ms-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:linear-gradient(135deg,#12507E,#1E90D6);color:#fff;font-weight:700;letter-spacing:2px;font-size:13px}
.contact-info .trust-list li{color:#D3E4F2}