:root {
  --ink: #1f3f5b;
  --muted: #6b8296;
  --accent: #0a7cff;
  --tint: #eef7fd;
  --border: #dde9f3;
  --radius: 16px;
  --shadow: 0 4px 18px rgba(31, 63, 91, 0.06);
  font-family: 'Noto Sans TC', system-ui, -apple-system, 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.topbar { border-bottom: 1px solid var(--border); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { white-space: nowrap; font-weight: 700; font-size: 18px; color: var(--ink); letter-spacing: 0.02em; }
.brand:hover { text-decoration: none; }
.topbar nav { display: flex; gap: 20px; font-size: 15px; white-space: nowrap; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--ink); text-decoration: none; }

.hero { background: var(--tint); padding: 72px 0 64px; }
.hero h1 { margin: 0 0 8px; font-size: 36px; line-height: 1.3; }
.hero .en-name { margin: 0 0 20px; color: var(--muted); font-size: 16px; letter-spacing: 0.04em; }
.hero p.lead { margin: 0; max-width: 620px; font-size: 17px; }

section { padding: 56px 0; }
section + section { border-top: 1px solid var(--border); }
h2 { margin: 0 0 20px; font-size: 22px; }

.product { display: flex; gap: 24px; align-items: flex-start; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.product img { width: 72px; height: 72px; flex: none; }
.product h3 { margin: 0 0 4px; font-size: 19px; }
.product p { margin: 0 0 12px; color: var(--muted); }
.product .go { font-weight: 600; }

dl.info { display: grid; grid-template-columns: 160px 1fr; margin: 0; }
dl.info dt, dl.info dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border); }
dl.info dt { color: var(--muted); }

footer { padding: 28px 0 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 600px) {
  .topbar nav { gap: 14px; font-size: 14px; }
  .brand { font-size: 16px; }
  .hero { padding: 48px 0 44px; }
  .hero h1 { font-size: 28px; }
  section { padding: 40px 0; }
  .product { flex-direction: column; gap: 16px; padding: 20px; }
  .product img { width: 56px; height: 56px; }
  dl.info { grid-template-columns: 1fr; }
  dl.info dt { padding-bottom: 0; border-bottom: 0; }
  dl.info dd { padding-top: 2px; }
}