:root{
  --navy:#0f2744;--navy2:#172f4f;--gold:#c99332;--gold2:#e0b45d;
  --ink:#17202a;--muted:#68717c;--line:#e5e9ee;--bg:#f5f7f9;--white:#fff;
  --shadow:0 18px 45px rgba(15,39,68,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(15,39,68,.08)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:20px}
.brand img{width:52px;height:52px;object-fit:contain;border-radius:10px}
nav{display:flex;align-items:center;gap:28px;font-weight:700;color:#405064}
nav a:hover{color:var(--gold)}
.nav-cta{background:var(--navy);color:white!important;padding:11px 18px;border-radius:999px}
.menu-btn{display:none;border:0;background:none;font-size:28px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#eef2f6 0%,#fff 55%,#f1f4f7 100%)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(201,147,50,.16),transparent 28%),linear-gradient(110deg,transparent 0 60%,rgba(15,39,68,.035) 60%)}
.hero-inner{position:relative;min-height:690px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px;padding:70px 0}
.eyebrow{font-size:13px;letter-spacing:.18em;font-weight:900;color:var(--gold);margin:0 0 14px}
h1{font-size:58px;line-height:1.15;margin:0;color:var(--navy);letter-spacing:-.04em}
h1 span{font-size:.64em;color:#35506f;font-weight:700}
.lead{font-size:19px;color:var(--muted);max-width:650px;margin:24px 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:10px;font-weight:800}
.btn.primary{background:linear-gradient(135deg,var(--navy),#234c76);color:white;box-shadow:0 12px 25px rgba(15,39,68,.22)}
.btn.secondary{border:1px solid #c8d0d8;background:white;color:var(--navy)}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-row span{font-size:13px;background:white;border:1px solid var(--line);padding:7px 11px;border-radius:999px;color:#536273}
.hero-card{background:white;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(1.2deg);border:1px solid rgba(15,39,68,.08)}
.hero-card img{width:100%;height:440px;object-fit:cover}
.hero-card-label{padding:18px 20px;display:flex;justify-content:space-between;gap:16px}
.hero-card-label strong{color:var(--gold)}
.hero-card-label span{color:var(--muted);text-align:right}
.section{padding:100px 0}
.section-heading{max-width:700px;margin-bottom:42px}
.section-heading h2,.about-grid h2{font-size:42px;line-height:1.2;margin:0 0 14px;color:var(--navy)}
.section-heading p:last-child{color:var(--muted);margin:0}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.product-card{display:grid;grid-template-columns:220px 1fr;background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(15,39,68,.06)}
.product-card img{width:100%;height:100%;min-height:230px;object-fit:cover}
.product-card div{padding:26px}
.product-card h3{margin:0 0 8px;color:var(--navy);font-size:23px}
.product-card p{margin:0;color:var(--muted)}
.feature-band{background:var(--bg);padding:55px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.feature-grid strong{color:var(--gold);font-size:14px;letter-spacing:.12em}
.feature-grid h3{color:var(--navy);margin:8px 0 4px}
.feature-grid p{margin:0;color:var(--muted);font-size:14px}
.dark-section{background:var(--navy);color:white}
.section-heading.light h2{color:white}
.section-heading.light p:last-child{color:#b7c2d0}
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter{border:1px solid rgba(255,255,255,.22);background:transparent;color:white;padding:8px 15px;border-radius:999px;cursor:pointer}
.filter.active{background:var(--gold);border-color:var(--gold);color:#1d2732;font-weight:800}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery-item{border:0;padding:0;background:none;border-radius:12px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.35s}
.gallery-item:hover img{transform:scale(1.045)}
.gallery-item.hidden{display:none}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:start}
.about-lead{font-size:18px;color:var(--muted)}
.about-points{margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}
.about-points p{margin:8px 0}
.contact-panel{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:30px}
.contact-panel h3{font-size:28px;color:var(--navy);margin:0}
.contact-panel>p{color:var(--muted)}
.qr-card{display:grid;grid-template-columns:132px 1fr;align-items:center;gap:20px;margin:22px 0 8px;padding:18px;background:white;border:1px solid #dce2e8;border-radius:16px;transition:.25s}
.qr-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,39,68,.10);border-color:#c5a15a}
.qr-card img{width:132px;height:132px;object-fit:contain;border-radius:8px}
.qr-card span{display:flex;flex-direction:column;gap:4px}
.qr-card small{color:var(--muted);font-size:14px}
.qr-card strong{color:var(--navy);font-size:22px}
.qr-card em{font-style:normal;color:var(--gold);font-size:13px;font-weight:800}
.contact-link{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-top:1px solid #dce2e8}
.contact-link span{color:var(--muted)}
.contact-link strong{color:var(--navy);text-align:right}
footer{background:#0a1c31;color:white;padding:35px 0 85px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:56px;height:56px;object-fit:contain;background:white;border-radius:8px}
.footer-brand div{display:flex;flex-direction:column}
.footer-brand span,footer p{color:#aeb9c6;font-size:13px}
.mobile-actions{display:none}
dialog{border:0;padding:0;background:transparent;max-width:min(1100px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.85)}
dialog img{max-height:88vh;border-radius:12px}
.close-lightbox{position:fixed;right:24px;top:18px;border:0;background:white;width:42px;height:42px;border-radius:50%;font-size:28px;cursor:pointer}
@media(max-width:1100px) and (min-width:901px){
  .feature-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  nav{display:none;position:absolute;left:0;right:0;top:78px;background:white;padding:20px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}
  nav.open{display:flex}.menu-btn{display:block}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:70px 0}
  h1{font-size:46px}.hero-card{transform:none}.hero-card img{height:380px}
  .product-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:1fr;gap:40px}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,1160px)}
  .site-header .brand span{font-size:18px}
  .hero-inner{padding:52px 0}.hero-card img{height:280px}
  h1{font-size:38px}.lead{font-size:17px}
  .section{padding:72px 0}.section-heading h2,.about-grid h2{font-size:34px}
  .product-card{grid-template-columns:1fr}.product-card img{height:230px}
  .qr-card{grid-template-columns:105px 1fr;gap:14px;padding:14px}.qr-card img{width:105px;height:105px}
  .feature-grid{grid-template-columns:1fr 1fr;gap:22px 18px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .footer-inner{align-items:flex-start;flex-direction:column}
  footer{padding-bottom:95px}
  .mobile-actions{display:grid;grid-template-columns:1fr 1.5fr;position:fixed;z-index:60;left:0;right:0;bottom:0;background:white;padding:10px 12px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px rgba(15,39,68,.16);gap:10px}
  .mobile-actions a{display:flex;justify-content:center;padding:12px;border-radius:10px;background:#edf1f5;color:var(--navy);font-weight:900}
  .mobile-actions .line{background:#06c755;color:white}
}