:root {
  color-scheme: light;
  --ink: #173127;
  --muted: #64756d;
  --paper: #f8f7f1;
  --surface: #ffffff;
  --sage: #dfe9db;
  --accent: #6d8565;
  --line: #dfe5dd;
  --shadow: 0 24px 80px rgba(36, 62, 49, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(248,247,241,.86);
  border-bottom: 1px solid rgba(109,133,101,.16);
}
.nav-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 13px; }
.nav-links { display: flex; gap: 24px; color: var(--muted); font-size: .95rem; }
.nav-links a { text-decoration: none; }
.hero { padding: 104px 0 76px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .18em; font-weight: 800; font-size: .78rem; }
h1 { max-width: 900px; margin: 18px 0 24px; font-size: clamp(3rem, 8vw, 6.9rem); line-height: .96; letter-spacing: -.055em; }
.lead { max-width: 700px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 999px; background: var(--ink); color: white; text-decoration: none; font-weight: 750; }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.section { padding: 72px 0; }
.section-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; margin-bottom: 34px; }
h2 { margin: 0; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.04em; }
.section-copy { color: var(--muted); font-size: 1.08rem; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: var(--surface); box-shadow: var(--shadow); }
.card span { color: var(--accent); font-weight: 800; font-size: .85rem; letter-spacing: .12em; }
.card h3 { margin: 38px 0 10px; font-size: 1.35rem; }
.card p { margin: 0; color: var(--muted); }
.identity { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.identity-panel { padding: 38px; border-radius: 30px; background: var(--ink); color: #fff; }
.identity-panel.light { background: var(--sage); color: var(--ink); }
.identity-panel dl { display: grid; grid-template-columns: 110px 1fr; gap: 13px 20px; margin: 28px 0 0; }
.identity-panel dt { opacity: .68; }
.identity-panel dd { margin: 0; font-weight: 700; }
.policy-list { display: grid; gap: 12px; }
.policy-list a { display: flex; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-decoration: none; font-weight: 750; }
.policy-list a:hover { border-color: var(--accent); }
footer { padding: 44px 0 64px; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.legal { max-width: 820px; padding: 72px 0 100px; }
.legal h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); }
.legal h2 { margin-top: 46px; font-size: 1.55rem; letter-spacing: -.02em; }
.legal .meta { color: var(--muted); }
.legal section { margin-top: 28px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; }
.back { display: inline-flex; margin-bottom: 30px; color: var(--accent); text-decoration: none; font-weight: 750; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .hero { padding-top: 72px; }
  .section-head, .identity { grid-template-columns: 1fr; gap: 22px; }
  .cards { grid-template-columns: 1fr; }
  .identity-panel dl { grid-template-columns: 1fr; gap: 2px; }
  .identity-panel dd { margin-bottom: 14px; }
  .footer-inner { flex-direction: column; }
}
