:root{
  --ink:#10253b;
  --muted:#60748a;
  --line:#dbe5ed;
  --panel:#f4f8fb;
  --navy:#0d4f7e;
  --navy-deep:#0b3658;
  --accent:#f2b58f;
  --white:#fff;
  --shadow:0 28px 70px rgba(15,55,89,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:Inter,"Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(219,229,237,.9);
}
.nav{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  color:inherit;text-decoration:none;
  display:flex;align-items:center;gap:14px;
  min-width:0;
}
.brand img{
  width:58px;height:58px;object-fit:cover;border-radius:14px;
  box-shadow:0 7px 20px rgba(18,64,101,.15);
}
.brand-copy strong{display:block;font-size:19px;line-height:1.15}
.brand-copy span{display:block;margin-top:5px;color:var(--muted);font-size:13px}
.nav-right{display:flex;align-items:center;gap:20px}
nav{display:flex;align-items:center;gap:26px}
nav a{color:#31475c;text-decoration:none;font-size:14px;font-weight:700}
nav a:hover{color:var(--navy)}
.lang-toggle{
  border:1px solid #c9d6e1;background:#fff;color:var(--navy);
  height:38px;min-width:44px;border-radius:999px;font-weight:800;cursor:pointer;
}
.hero{
  overflow:hidden;
  padding:104px 0 92px;
  background:
    radial-gradient(circle at 88% 20%,rgba(242,181,143,.26),transparent 24%),
    radial-gradient(circle at 68% 12%,rgba(109,173,219,.16),transparent 28%),
    linear-gradient(135deg,#f7fafc 0%,#eaf3f9 55%,#fff 100%);
}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:72px;align-items:center}
.eyebrow{
  color:var(--navy);font-size:13px;font-weight:850;letter-spacing:.18em;
  margin:0 0 18px;text-transform:uppercase
}
h1{
  margin:0 0 26px;
  font-size:clamp(48px,5.6vw,78px);
  line-height:1.08;
  letter-spacing:-.045em;
  max-width:820px;
}
h1 span{display:block;white-space:nowrap}
h2{
  margin:0 0 22px;
  font-size:clamp(32px,4vw,48px);
  line-height:1.18;
  letter-spacing:-.03em;
}
.lead{
  max-width:760px;margin:0 0 32px;
  color:#516a81;font-size:19px;line-height:1.9;
}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 22px;border-radius:12px;
  text-decoration:none;font-weight:800;font-size:15px;
}
.primary{background:var(--navy);color:#fff;box-shadow:0 10px 25px rgba(13,79,126,.18)}
.secondary{background:#fff;color:var(--navy);border:1px solid #bfd0de}
.chips{display:flex;gap:9px;flex-wrap:wrap}
.chips span{
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  border-radius:999px;padding:8px 13px;font-size:12px;color:#526a80
}
.hero-visual{
  background:var(--navy-deep);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
  transform:translateY(8px)
}
.visual-frame{overflow:hidden;border-radius:22px;background:#174d78}
.visual-frame img{display:block;width:100%;aspect-ratio:1.2/1;object-fit:cover}
.visual-caption{display:flex;gap:12px;align-items:flex-start;padding:20px 4px 2px;color:#eaf3f9}
.visual-caption p{margin:0;font-size:17px;line-height:1.55}
.dot{width:9px;height:9px;margin-top:9px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.section{padding:96px 0}
.about-section{background:#fff}
.split{display:grid;grid-template-columns:.72fr 1.28fr;gap:84px}
.body-copy{color:#526b82;font-size:18px}
.body-copy p{margin:0 0 22px}
.alt{background:var(--panel)}
.section-heading-row{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:end;margin-bottom:36px
}
.section-intro{margin:0 0 7px;color:var(--muted);font-size:18px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  min-height:270px;padding:30px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:0 14px 34px rgba(26,67,102,.055);
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(26,67,102,.09)}
.card-index{display:block;color:#94a9ba;font-size:12px;font-weight:850;letter-spacing:.14em;margin-bottom:42px}
.card h3{font-size:23px;margin:0 0 12px}
.card p{color:var(--muted);margin:0}
.application-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.application-grid div{
  min-height:150px;padding:26px;
  background:#f8fafc;border:1px solid var(--line);border-top:4px solid var(--navy);
  border-radius:0 0 16px 16px
}
.application-grid strong{display:block;font-size:19px}
.application-grid span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.contact{padding-top:32px}
.contact-box{
  background:linear-gradient(135deg,#0d3658,#0c4e7b);
  color:#fff;border-radius:30px;padding:54px;
  display:grid;grid-template-columns:1.18fr .82fr;gap:58px;
  box-shadow:0 26px 62px rgba(13,54,88,.16)
}
.contact .eyebrow{color:#f3c3a5}
.contact h2{margin-bottom:12px}
.contact p{color:#d6e5ef}
.contact-details{display:flex;flex-direction:column;justify-content:center}
.contact-details p{margin:9px 0}
.contact-details span{
  display:block;color:#9fb9cd;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase
}
.contact-details a{color:#fff;text-decoration:none;font-size:19px}
footer{padding:30px 0;border-top:1px solid var(--line)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}

@media (max-width:980px){
  nav{display:none}
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero-visual{max-width:600px}
  .split,.section-heading-row,.contact-box{grid-template-columns:1fr;gap:34px}
  .cards{grid-template-columns:1fr}
  .card{min-height:auto}
  .application-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .container{width:min(100% - 28px,1180px)}
  .nav{min-height:76px}
  .brand img{width:50px;height:50px}
  .brand-copy strong{font-size:17px}
  .brand-copy span{font-size:12px}
  .hero{padding:72px 0 66px}
  h1{font-size:clamp(38px,12vw,58px)}
  h1 span{white-space:normal}
  .lead{font-size:17px}
  .application-grid{grid-template-columns:1fr}
  .contact-box{padding:34px 26px}
  .footer-inner{display:block}
  .footer-inner span{display:block;margin:4px 0}
}