:root {
  --navy: #0b1d4d;
  --navy-2: #16316f;
  --gold: #e0b15a;
  --ink: #172033;
  --muted: #5c677a;
  --line: #e6ebf4;
  --bg: #f4f6fb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", sans-serif;
  line-height: 1.65;
}
a { color: var(--navy-2); }
img { max-width: 100%; display: block; }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 7vw;
  background: rgba(11, 29, 77, 0.96);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; }
.mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--gold); color: var(--navy); font-weight: 800;
}
.top nav { display: flex; gap: 18px; flex-wrap: wrap; }
.top nav a { color: rgba(255,255,255,0.86); text-decoration: none; font-size: 14px; }
.top nav a:hover { color: var(--gold); }

.hero {
  position: relative;
  min-height: 520px;
  color: #fff;
  background: #0b1d4d center/cover no-repeat;
  display: flex;
  align-items: flex-end;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 16, 40, 0.88) 0%, rgba(8, 16, 40, 0.35) 70%);
}
.hero-copy { position: relative; z-index: 1; padding: 64px 7vw 56px; max-width: 820px; }
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(224, 177, 90, 0.18);
  color: var(--gold);
  letter-spacing: 0.08em;
  font-size: 12px;
}
.hero h1 { margin: 0 0 12px; font-size: 48px; line-height: 1.15; }
.hero p { margin: 0 0 24px; max-width: 640px; color: rgba(255,255,255,0.86); font-size: 18px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}
.btn.gold { background: var(--gold); color: var(--navy); }
.btn.ghost { border: 1px solid rgba(255,255,255,0.45); color: #fff; }

section { padding: 64px 7vw; }
section h2 { margin: 0 0 8px; font-size: 32px; }
.lead { margin: 0 0 28px; color: var(--muted); max-width: 760px; }
.panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(16, 32, 68, 0.06);
}
.panel .text { padding: 32px; }
.panel img { height: 100%; object-fit: cover; min-height: 280px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card, .link-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.card h3, .link-card h3 { margin: 8px 0; font-size: 18px; }
.card p, .link-card p { margin: 0; color: var(--muted); font-size: 14px; }
.card code, .steps code { background: #eef2fa; padding: 1px 6px; border-radius: 6px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { background: #fff; border-radius: 16px; padding: 18px 18px 8px; border-top: 4px solid var(--gold); }
.step b { color: var(--navy); }

.links { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; }
.link-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.link-card img { height: 180px; object-fit: cover; }
.link-card div { padding: 16px 18px 18px; }
.link-card a.btn { margin-top: 12px; }

footer {
  padding: 28px 7vw 40px;
  color: rgba(255,255,255,0.72);
  background: var(--navy);
}
footer strong { color: #fff; display: block; margin-bottom: 6px; }
footer .contact { margin: 14px 0 0; }
footer .contact a { color: var(--gold); }

@media (max-width: 980px) {
  .hero h1 { font-size: 36px; }
  .grid, .steps, .links, .panel { grid-template-columns: 1fr; }
  .top { padding: 14px 20px; }
  section, .hero-copy, footer { padding-left: 20px; padding-right: 20px; }
}