:root {
  --navy-deep: #081c30;
  --navy: #0b2a4a;
  --navy-2: #0e3a63;
  --teal: #106a82;
  --teal-bright: #2bb3cf;
  --teal-light: #e6f4f7;
  --ink: #1c2733;
  --gray: #5b6b7b;
  --fog: #b8d3de;
  --fog-dim: #8fb0bf;
  --line-dark: rgba(255,255,255,.12);
  --line: #e3e9ef;
  --radius: 18px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  color: #eaf3f7;
  background: linear-gradient(175deg, var(--navy-deep) 0%, var(--navy) 30%, var(--navy-2) 62%, var(--teal) 120%);
  line-height: 1.75;
}
body.page {
  background: #fff;
  color: var(--ink);
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── nav ─────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(8,28,48,.75); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-dark);
}
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-weight: 700; font-size: 1.05rem; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--teal-bright); box-shadow: 0 0 12px var(--teal-bright); }
nav .links a { color: var(--fog); text-decoration: none; margin-left: 22px; font-size: .92rem; }
nav .links a:hover { color: #fff; }

/* ── hero ────────────────────────── */
.hero { padding: 96px 0 48px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% 10% auto;
  height: 60%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(43,179,207,.28), transparent);
  pointer-events: none;
}
.hero > .wrap { position: relative; }
.badge {
  display: inline-block; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px; padding: 5px 18px; font-size: .82rem; margin-bottom: 22px; color: #d8ecf3;
  letter-spacing: 1px;
}
.hero h1 { font-size: 3rem; letter-spacing: 1px; color: #fff; }
.hero .sub { font-size: 1.25rem; color: var(--fog); margin-top: 12px; }
.hero .desc { max-width: 620px; margin: 20px auto 0; color: var(--fog-dim); font-size: .98rem; }
.hero img {
  display: block; width: min(920px, 94%); margin: 56px auto 0;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.08);
}

/* ── sections ────────────────────── */
section { padding: 88px 0; }
h2 { font-size: 1.9rem; color: #fff; text-align: center; letter-spacing: .5px; }
.section-sub { text-align: center; color: var(--fog-dim); margin: 12px auto 52px; max-width: 560px; }

/* feature grid — glass cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.card {
  background: rgba(255,255,255,.055);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s, background .2s;
}
.card:hover { transform: translateY(-4px); background: rgba(255,255,255,.09); }
.card .ico { font-size: 1.7rem; }
.card h3 { font-size: 1.05rem; color: #fff; margin: 12px 0 6px; }
.card p { font-size: .9rem; color: var(--fog-dim); }

/* ── gallery (marketing slides) ──── */
.gallery {
  display: flex; gap: 28px; overflow-x: auto; padding: 8px 24px 32px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.25) transparent;
}
.gallery::-webkit-scrollbar { height: 6px; }
.gallery::-webkit-scrollbar-thumb { background: rgba(255,255,255,.25); border-radius: 3px; }
.gallery .slide {
  flex: 0 0 min(860px, 86vw);
  scroll-snap-align: center;
}
.gallery .slide img {
  width: 100%; border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.08);
}
.gallery-hint { text-align: center; color: var(--fog-dim); font-size: .85rem; margin-top: 4px; }

/* highlight row (result) */
.result-band { text-align: center; }
.result-band img {
  width: min(860px, 94%); border-radius: var(--radius); margin-top: 40px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.08);
}

/* ── cta ─────────────────────────── */
.cta { text-align: center; padding: 96px 0 110px; }
.cta h2 { color: #fff; }
.cta p { color: var(--fog); margin-top: 12px; }
.btn {
  display: inline-block; margin-top: 30px; background: #fff; color: var(--navy);
  font-weight: 700; text-decoration: none; padding: 15px 40px; border-radius: 999px;
  box-shadow: 0 8px 30px rgba(43,179,207,.35);
}
.btn:hover { transform: translateY(-2px); }

/* ── prose pages (light body, dark nav/footer) ── */
.prose { max-width: 760px; margin: 0 auto; padding: 64px 24px 96px; }
.prose h1 { font-size: 2rem; color: var(--navy); margin-bottom: 8px; }
.prose .meta { color: var(--gray); font-size: .88rem; margin-bottom: 36px; }
.prose h2 { font-size: 1.3rem; color: var(--navy); text-align: left; margin: 36px 0 12px; }
.prose p, .prose li { color: #33414f; font-size: .96rem; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 10px 0; }
.prose li { margin: 6px 0; }
.prose a { color: var(--teal); }
.notice { background: var(--teal-light); border-left: 4px solid var(--teal-bright); border-radius: 8px; padding: 16px 20px; margin: 24px 0; font-size: .92rem; }
.contact-box { background: #f7fafc; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; margin-top: 28px; }

/* ── footer ──────────────────────── */
footer { border-top: 1px solid var(--line-dark); padding: 36px 0; background: var(--navy-deep); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--fog-dim); font-size: .85rem; }
footer a { color: var(--fog-dim); text-decoration: none; margin-right: 18px; }
footer a:hover { color: #fff; }

@media (max-width: 760px) {
  .hero h1 { font-size: 2.1rem; }
  .hero { padding-top: 72px; }
  section { padding: 64px 0; }
  nav .links a { margin-left: 14px; font-size: .85rem; }
}