:root {
  --bg: #f6f1e9;
  --surface: #fffdf9;
  --ink: #2a2522;
  --muted: #6f655d;
  --line: #e4dbcf;
  --accent: #b5412b;
  --accent-soft: #f4dfd8;
  --teal: #1f5a63;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(42, 37, 34, 0.08);
  --font: "Noto Serif TC", "PingFang TC", "Microsoft JhengHei", "Heiti TC", serif;
  --font-ui: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --surface: #26211e;
    --ink: #efe8df;
    --muted: #a99d93;
    --line: #3a332e;
    --accent: #e8805f;
    --accent-soft: #3a2822;
    --teal: #6fb5be;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 64px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { font-family: var(--font); line-height: 1.3; margin: 0; }

a { color: var(--teal); }

img { max-width: 100%; display: block; }

.hero {
  padding: 72px 16px 40px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
}

.hero h1 { font-size: clamp(36px, 8vw, 60px); }

.sub { margin: 12px 0 0; color: var(--muted); }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.nav a {
  padding: 6px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  white-space: nowrap;
}

.nav a:hover,
.nav a.on { background: var(--accent-soft); color: var(--accent); }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.day { padding: 40px 0 8px; }

.footer {
  padding: 32px 16px 48px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}