:root{
  --blue:#003c78; --blue-2:#0a4d92; --navy:#08203c; --navy-2:#0d2c50;
  --orange:#f26522; --orange-2:#ff7a3d; --orange-soft:#fff2ea;
  --ink:#0e1c2e; --ink2:#22354b; --body:#4b5c70; --muted:#6b7c90;
  --line:#e3e8ef; --line2:#cfd7e2;
  --bg:#ffffff; --bg2:#f5f7fa;
  --radius:16px; --radius-sm:10px; --max:1200px;
  --shadow:0 1px 2px rgba(8,32,60,.05),0 12px 30px rgba(8,32,60,.07);
  --shadow-lg:0 26px 60px rgba(8,32,60,.15);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Manrope,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.2}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--orange)}

/* top bar */
.topbar{background:var(--navy);color:#9db0c6;font-size:13px}
.topbar .wrap{display:flex;gap:24px;align-items:center;height:38px}
.topbar a{color:#c9d7e6}
.topbar a:hover{color:#fff}
.topbar .right{margin-left:auto;display:flex;gap:20px}

/* header + nav */
header.site{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:34px;height:82px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;letter-spacing:-.01em;color:var(--blue)}
.logo img{height:46px;width:auto}
nav.main{margin-left:auto;display:flex;gap:6px;font-size:15px;font-weight:700;color:var(--ink2);align-items:center}
nav.main>a{padding:10px 14px;border-radius:9px;transition:.15s}
nav.main>a:hover{color:var(--blue);background:#eff4fa}
nav.main>a.active{color:var(--blue)}
.has-menu{position:relative}
.has-menu>a{display:flex;align-items:center;gap:7px;padding:10px 14px;border-radius:9px;cursor:pointer;transition:.15s}
.has-menu>a:hover{color:var(--blue);background:#eff4fa}
.has-menu>a .arw{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:.2s}
.has-menu:hover>a .arw{transform:rotate(-135deg) translateY(-2px)}
.mega{position:absolute;top:calc(100% + 10px);left:-16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);padding:28px;display:grid;grid-template-columns:268px 268px;gap:36px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s;z-index:90}
.has-menu:hover .mega{opacity:1;visibility:visible;transform:none}
.mega:before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.mega h5{margin:0 0 12px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:800}
.mega h5 a:hover{color:var(--blue)}
.mega a{display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--ink2)}
.mega a:hover{background:#f2f6fb;color:var(--blue)}
.mega .all{color:var(--orange);font-weight:800;margin-top:6px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:var(--radius-sm);font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(242,101,34,.28)}
.btn-primary:hover{background:var(--orange-2);transform:translateY(-1px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-2)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--line2);color:var(--ink)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,32,60,.97) 0%,rgba(8,32,60,.9) 45%,rgba(8,32,60,.55) 100%)}
.hero .wrap{position:relative;z-index:2;padding:96px 24px 88px;max-width:1180px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.tagpill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#ffb98a;background:rgba(242,101,34,.16);border:1px solid rgba(255,185,138,.4);padding:7px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:52px;margin:0 0 20px;letter-spacing:-.03em;line-height:1.1}
.hero h1 span{color:#ff9d63}
.hero p.lead{font-size:17.5px;color:#c5d4e4;margin:0 0 32px;max-width:50ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:38px}
.hero-facts{display:flex;gap:38px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:24px}
.hero-facts div b{display:block;font-size:24px;letter-spacing:-.02em}
.hero-facts div span{font-size:13px;color:#8fa6bf}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:10px}
.hero-card img{border-radius:11px;aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card .cap{padding:14px 8px 6px;font-size:13.5px;color:#c5d4e4;display:flex;justify-content:space-between;gap:10px}
.hero-card .cap b{color:#fff}

/* trust strip */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;gap:44px;flex-wrap:wrap;padding:20px 24px;font-size:14px;color:var(--body)}
.trust b{color:var(--ink)}
.trust span:before{content:"\2713";color:var(--orange);font-weight:800;margin-right:8px}

/* sections */
section{padding:88px 0}
section.tight{padding:64px 0}
section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:38px;margin:10px 0 14px}
.sec-head p{color:var(--body);margin:0;font-size:16.5px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;max-width:none}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s;box-shadow:0 1px 2px rgba(8,32,60,.04)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line2)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eef2f7}
.card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .card-img img{transform:scale(1.05)}
.badge{position:absolute;top:12px;left:12px;background:rgba(8,32,60,.88);color:#fff;font-size:11.5px;font-weight:800;letter-spacing:.1em;padding:5px 10px;border-radius:6px}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{margin:0;font-size:18.5px}
.card p{margin:0;font-size:14.5px;color:var(--body)}
.card-specs{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}
.card-specs span{font-size:12px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);padding:4px 9px;border-radius:6px}
.card .more{margin-top:auto;padding-top:8px;font-size:14px;font-weight:800;color:var(--orange);display:flex;align-items:center;gap:6px}
.card:hover .more{gap:10px}

/* features */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.feat .ico{width:46px;height:46px;border-radius:12px;background:#eaf1f9;color:var(--blue);display:grid;place-items:center;margin-bottom:16px}
.feat h4{margin:0 0 8px;font-size:16.5px}
.feat p{margin:0;color:var(--body);font-size:14.5px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--line)}
.step{padding:26px 22px 0;position:relative}
.step:before{content:"";position:absolute;top:-7px;left:22px;width:12px;height:12px;border-radius:50%;background:var(--orange)}
.step b{display:block;font-size:13px;color:var(--orange);letter-spacing:.1em;margin-bottom:8px}
.step h4{margin:0 0 8px;font-size:17px}
.step p{margin:0;color:var(--body);font-size:14.5px}

/* apps */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.app{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.app .n{font-size:26px;font-weight:800;color:var(--line2);line-height:1}
.app h4{margin:0 0 6px;font-size:16.5px}
.app p{margin:0;font-size:14.5px;color:var(--body)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.split ul{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.split ul li{position:relative;padding-left:30px;color:var(--body);font-size:15.5px}
.split ul li:before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;background:var(--orange-soft);border:2px solid var(--orange)}

/* faq */
details.faq{border-bottom:1px solid var(--line);padding:20px 0}
details.faq summary{cursor:pointer;font-weight:800;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:after{content:"+";font-size:22px;color:var(--orange);font-weight:400;line-height:1}
details.faq[open] summary:after{content:"\2013"}
details.faq p{margin:12px 0 0;color:var(--body);font-size:15.5px;max-width:78ch}

/* cta */
.cta{position:relative;background:linear-gradient(120deg,var(--navy),var(--navy-2) 60%,var(--blue));color:#fff;border-radius:22px;padding:54px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;overflow:hidden}
.cta:after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;background:radial-gradient(circle,rgba(242,101,34,.4),transparent 65%)}
.cta h2{margin:0 0 10px;font-size:32px;position:relative}
.cta p{margin:0;color:#c5d4e4;max-width:56ch;position:relative}
.cta .btn{margin-left:auto;position:relative}

/* footer */
footer{background:#061a30;color:#8496ab;padding:64px 0 30px;font-size:14.5px}
.fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
footer h4{color:#fff;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
footer a:hover{color:#fff}
footer .brandline{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:14px}
footer .brandline img{height:42px;width:auto;filter:brightness(0) invert(1)}
.copy{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#5b6779}

/* page head */
.page-head{background:linear-gradient(150deg,var(--navy),var(--navy-2) 55%,var(--blue));color:#fff;padding:64px 0 60px;position:relative;overflow:hidden}
.page-head:after{content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;background:radial-gradient(circle,rgba(242,101,34,.32),transparent 62%)}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{margin:0 0 12px;font-size:42px}
.page-head p{margin:0;color:#c5d4e4;max-width:72ch;font-size:16.5px}
.crumb{font-size:13px;color:#8fa6bf;margin-bottom:16px}
.crumb a:hover{color:#fff}

/* product detail */
.prod-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.prod-photo{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#eef1f5;box-shadow:var(--shadow)}
.prod-photo img{aspect-ratio:4/3;object-fit:cover;width:100%}
.model-line{display:flex;gap:10px;align-items:center;margin-bottom:14px}
.model-line .m{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:#fff;background:var(--blue);padding:6px 12px;border-radius:999px}
.model-line .c{font-size:12.5px;color:var(--muted)}
.title{font-size:36px;margin:0 0 16px}
.prose p{color:var(--body);margin:0 0 16px;font-size:16px}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.kv div{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px}
.kv b{display:block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:5px}
.kv span{font-weight:800;font-size:15px;color:var(--ink)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 0}
.tag{font-size:13px;background:#fff;border:1px solid var(--line2);padding:7px 13px;border-radius:999px;color:var(--ink2)}
table.spec{width:100%;border-collapse:separate;border-spacing:0;margin:26px 0 10px;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.spec th,table.spec td{border-bottom:1px solid var(--line);padding:13px 16px;text-align:left}
table.spec th{background:var(--bg2);font-weight:800;width:24%;color:var(--ink)}
table.spec thead td{background:var(--navy);color:#c5d4e4;font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:none}
.note{font-size:13.5px;color:var(--muted);margin:6px 0 0}
.info-box{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:24px;margin-top:26px;font-size:15px}
.info-box b{display:block;margin-bottom:7px;font-size:15.5px}
.related{margin-top:64px}
h3.sub{font-size:19px;margin:34px 0 4px}

.crumbbar{background:var(--bg2);border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.crumbbar .wrap{padding:13px 24px;display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.crumbbar a{color:var(--blue);font-weight:600}
.crumbbar a:hover{color:var(--orange)}
.crumbbar .cur{color:var(--ink);font-weight:700}
section.sec-tight{padding:56px 0 72px}
.page-wrap{display:grid;grid-template-columns:296px 1fr;gap:48px;align-items:start}
.aside{position:sticky;top:104px;display:grid;gap:18px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.side-box h4{margin:0 0 12px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:800}
.side-nav{list-style:none;margin:0;padding:0;display:grid;gap:3px}
.side-nav>li>a{display:block;padding:10px 13px;border-radius:9px;font-weight:800;font-size:14.5px;color:var(--ink2)}
.side-nav>li>a:hover{background:#f2f6fb;color:var(--blue)}
.side-nav>li.active>a{background:var(--blue);color:#fff}
.side-nav ul{list-style:none;margin:8px 0 10px;padding:0 0 0 10px;display:grid;gap:1px;border-left:2px solid var(--line)}
.side-nav ul a{display:block;padding:8px 10px;font-size:13.8px;color:var(--body);border-radius:7px;font-weight:600}
.side-nav ul a:hover{background:#f7f9fc;color:var(--blue)}
.side-contact p{margin:0 0 14px;font-size:14px;color:var(--body);line-height:1.5}
.col-title{font-size:24px;margin:46px 0 18px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.intro-block{margin-bottom:8px}
.prod-cards .card h3{font-size:17px}
@media(max-width:1020px){.page-wrap{grid-template-columns:1fr;gap:32px}.aside{position:static;order:-1}.side-box:not(:first-child){display:none}.col-title{margin-top:36px}}


.cat-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cat-split img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
ul.ticks{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:12px}
ul.ticks li{position:relative;padding-left:30px;color:var(--body);font-size:15.5px}
ul.ticks li:before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:#fff2ea;border:2px solid var(--orange)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.matrix{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:14.5px;background:#fff;min-width:780px}
.matrix th{background:var(--navy);color:#c5d4e4;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;text-align:left;padding:13px 16px;font-weight:800}
.matrix td{padding:14px 16px;border-bottom:1px solid var(--line)}
.matrix tbody tr:last-child td{border-bottom:none}
.matrix tbody tr:hover td{background:#f7f9fc}
.matrix a{font-weight:800;color:var(--blue)}
.matrix a:hover{color:var(--orange)}
.feats.three{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:1020px){.cat-split{grid-template-columns:1fr;gap:32px}.feats.three{grid-template-columns:1fr}.grid.two{grid-template-columns:1fr}}

.thumb-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.thumb-row img{aspect-ratio:4/3;object-fit:contain;background:#fff;border-radius:10px;border:1px solid var(--line);cursor:pointer;opacity:.85;padding:4px}
.thumb-row img:hover{opacity:1;border-color:var(--orange)}
.social-row{display:flex;gap:10px;margin-top:4px}
.wa-float{position:fixed;right:22px;bottom:22px;z-index:80;display:inline-flex;align-items:center;gap:9px;background:#25D366;color:#fff!important;font-weight:800;font-size:14px;padding:12px 18px;border-radius:999px;box-shadow:0 10px 28px rgba(0,0,0,.24);text-decoration:none!important;transition:background .2s,transform .2s}
.wa-float:hover{background:#1ebe5a;transform:translateY(-2px)}
.wa-float svg{flex:0 0 auto;display:block}
@media(max-width:640px){.wa-float span{display:none}.wa-float{padding:14px;border-radius:50%}}
.soc{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;color:#c5d4e4;transition:.16s}
.soc:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-2px)}
.soc[href*="wa.me"]{color:#5ee08a}
.soc[href*="wa.me"]:hover{background:#25D366;border-color:#25D366;color:#fff}
.citem .cico{flex:0 0 auto}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.citem{display:flex;gap:14px;margin-bottom:22px}
.citem:last-child{margin-bottom:0}
.cico{width:40px;height:40px;border-radius:11px;background:#eaf1f9;color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.citem b{display:block;font-size:15px}
.citem span{color:var(--body);font-size:14.5px}
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{font-size:13.5px;font-weight:800;color:var(--ink2);display:block;margin-bottom:7px}
.form input,.form textarea,.form select{width:100%;padding:13px 15px;border:1px solid var(--line2);border-radius:11px;font-size:15px;font-family:inherit;background:#fff;transition:.15s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,101,34,.14)}
.form textarea{min-height:140px;resize:vertical}
.hint{font-size:13px;color:var(--muted);margin:0}

@media(max-width:1020px){
  .hero-grid,.prod-layout,.split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:38px}
  .grid,.apps{grid-template-columns:repeat(2,1fr)}
  .feats,.steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .fgrid{grid-template-columns:1fr 1fr;gap:32px}
  nav.main{overflow-x:auto;gap:2px;font-size:14px}
  .mega{display:none!important}
  .btn.header-cta{display:none}
  .cta{padding:34px}
  .cta .btn{margin-left:0}
  section{padding:64px 0}
  .sec-head.row{flex-direction:column;align-items:flex-start}
}
@media(max-width:620px){
  .grid,.apps,.feats,.steps,.kv,.form .row{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .sec-head h2{font-size:28px}
  .page-head h1{font-size:30px}
  .topbar .wrap{height:auto;padding:8px 24px;gap:12px;flex-wrap:wrap}
  .topbar .right{margin-left:0}
  .logo img{height:36px}
}