:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --ink: #17202a;
  --muted: #5c6b7a;
  --card: #ffffff;
  --line: #e3e6e1;
  --accent: #1f6feb;
  --accent-ink: #ffffff;
  --max: 1080px;
  font-family: "PingFang HK", "PingFang TC", "Hiragino Sans CNS", "Noto Sans TC", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; }
a { color: var(--accent); }
header, main, footer { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
header { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { font-weight: 700; letter-spacing: 0.04em; color: var(--ink); text-decoration: none; }
nav { display: flex; gap: 16px; align-items: center; }
nav a { color: var(--ink); text-decoration: none; }
.hero { padding: 28px 0 12px; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.15; margin: 0 0 12px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 42rem; }
.cta { display: inline-block; margin-top: 16px; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 12px 18px; border-radius: 999px; font-weight: 600; }
.note { color: var(--muted); font-size: 0.92rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 28px 0; }
.card, article { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.card h2, article h2 { margin: 0 0 8px; font-size: 1.15rem; }
.card p, article p { margin: 0; color: var(--muted); }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 24px; }
.facts span { background: #e8eef8; color: #16325c; border-radius: 999px; padding: 6px 12px; font-size: 0.92rem; }
footer { padding: 28px 0 48px; color: var(--muted); font-size: 0.92rem; }
footer a { margin-right: 12px; }
h1.page { font-size: 2rem; }
article h2 { margin-top: 22px; color: var(--ink); }
article p, article li { color: var(--ink); }
article ul { padding-left: 1.2rem; }
@media (max-width: 640px) {
  header { flex-direction: column; align-items: flex-start; gap: 8px; }
}