:root{
  --navy:#0A2540;--navy-light:#13315C;--blue:#00B4D8;--blue-dark:#0096C7;
  --white:#FFFFFF;--gray-50:#F8F9FA;--gray-100:#E9ECEF;--gray-600:#6C757D;--gray-800:#343A40;--gray-900:#212529;
  --font-display:'Oswald','Noto Sans TC',sans-serif;--font-sans:'Noto Sans TC',-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-sans);color:var(--gray-900);line-height:1.6;background:var(--white)}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* Top Bar */
.topbar{background:var(--navy);color:var(--gray-100);font-size:12px;padding:6px 0}
.topbar .wrap{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}
.topbar .lang a{color:var(--blue);margin-left:12px;font-weight:500}

/* Nav */
nav{background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
nav .wrap{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-img{width:46px;height:46px;border-radius:50%;object-fit:cover;flex-shrink:0}
.logo b{font-family:var(--font-display);font-size:16px;color:var(--navy);letter-spacing:.5px;line-height:1.25}
.logo span{font-size:10px;color:var(--gray-600);display:block;letter-spacing:1px}
.nav-links{display:flex;gap:2px}
.nav-links a{padding:10px 12px;font-size:14px;font-weight:500;color:var(--gray-800);border-radius:4px;transition:.2s}
.nav-links a:hover,.nav-links a.active{background:var(--navy);color:var(--white)}
.nav-cta{background:var(--blue);color:var(--white)!important;padding:10px 20px!important;border-radius:4px;font-weight:600}
.nav-cta:hover{background:var(--blue-dark)!important}

/* Page Hero */
.page-hero{background:linear-gradient(135deg,rgba(10,37,64,.92),rgba(19,49,92,.88)),url('../assets/equip-uav.jpg') center/cover;color:var(--white);padding:100px 0 110px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;right:-8%;top:-25%;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(0,180,216,.18),transparent 70%)}
.page-hero .wrap{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.page-hero .crumb{font-size:13px;color:var(--gray-100);margin-bottom:16px;letter-spacing:.5px}
.page-hero h1{font-family:var(--font-display);font-size:50px;font-weight:700;line-height:1.15;margin-bottom:18px}
.page-hero p{font-size:17px;color:var(--gray-100);max-width:640px;line-height:1.7}

/* Section */
.section{padding:80px 0}
.section .wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head .label{font-family:var(--font-display);font-size:13px;letter-spacing:3px;color:var(--blue);text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-family:var(--font-display);font-size:36px;color:var(--navy);margin-bottom:12px}
.sec-head p{color:var(--gray-600);max-width:640px;margin:0 auto;font-size:15px}

/* Product Grid */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.prod-card{background:var(--white);border:1px solid var(--gray-100);border-radius:10px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(10,37,64,.14);border-color:var(--blue)}
.prod-img{height:230px;overflow:hidden;background:var(--navy)}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.prod-card:hover .prod-img img{transform:scale(1.04)}
.prod-img-plain{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%)}
.veh-icon{font-family:var(--font-display);font-size:64px;color:rgba(255,255,255,.85);border:3px solid rgba(0,180,216,.6);border-radius:14px;padding:18px 26px;letter-spacing:2px}
.prod-body{padding:28px 30px 30px}
.prod-body h3{font-family:var(--font-display);font-size:21px;color:var(--navy);margin-bottom:10px}
.prod-body p{font-size:14px;color:var(--gray-600);line-height:1.65;margin-bottom:14px}
.prod-body ul{display:grid;gap:8px}
.prod-body li{font-size:13.5px;color:var(--gray-800);padding-left:18px;position:relative}
.prod-body li::before{content:'▸';position:absolute;left:0;color:var(--blue);font-weight:700}

/* Partners */
.partner-card{display:grid;grid-template-columns:420px 1fr;gap:36px;background:var(--white);border:1px solid var(--gray-100);border-radius:10px;overflow:hidden;align-items:center}
.partner-logo{height:100%;min-height:280px;background:var(--navy)}
.partner-logo img{width:100%;height:100%;object-fit:cover}
.partner-body{padding:36px 40px 36px 0}
.partner-body h3{font-family:var(--font-display);font-size:23px;color:var(--navy);margin-bottom:12px}
.partner-body p{font-size:14.5px;color:var(--gray-600);line-height:1.7;margin-bottom:12px}
.compliance-note{margin-top:28px;background:var(--white);border:1px dashed var(--blue);border-left:4px solid var(--blue);border-radius:6px;padding:16px 22px;font-size:13px;color:var(--gray-600)}

/* CTA Band */
.cta-band{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);padding:60px 0;color:var(--white)}
.cta-band .wrap{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-band h3{font-family:var(--font-display);font-size:26px;margin-bottom:6px}
.cta-band p{color:var(--gray-100);font-size:14px}
.cta-band .btn{background:var(--blue);color:var(--white);padding:14px 32px;border-radius:4px;font-weight:600;font-size:15px;transition:.2s;white-space:nowrap}
.cta-band .btn:hover{background:var(--blue-dark)}

/* Footer */
footer{background:var(--navy);color:var(--gray-100);padding:64px 0 28px}
footer .wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:44px}
.footer-brand b{font-family:var(--font-display);font-size:18px;letter-spacing:.5px;display:block;margin-bottom:12px}
.footer-brand p{font-size:13px;color:var(--gray-600);line-height:1.7;max-width:320px}
.footer-col h5{font-size:13px;letter-spacing:1px;color:var(--blue);text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;font-size:13.5px;color:var(--gray-100);margin-bottom:10px;transition:.2s}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--gray-600)}

@media(max-width:960px){
  .prod-grid{grid-template-columns:1fr}
  .partner-card{grid-template-columns:1fr}
  .partner-body{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  nav .wrap{flex-direction:column;height:auto;padding:12px 24px;gap:10px}
  .nav-links{flex-wrap:wrap;justify-content:center}
}