:root {
  color-scheme: light dark;
  --bg: #fcfcfb;
  --text: #0b0b0b;
  --muted: #6b6a65;
  --accent: #1baf7a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
.site-header {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.site-title {
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}
.post-list {
  display: grid;
  gap: 20px;
}
.post-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  overflow: hidden;
}
.post-card img {
  width: 140px;
  height: 140px;
  object-fit: cover;
}
.post-card-body { padding: 12px 12px 12px 0; }
.post-card h2 { margin: 0 0 4px; font-size: 1.1rem; }
.post-date { color: var(--muted); font-size: 0.85rem; }
.post-video {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 9 / 16;
  display: block;
  margin: 0 auto 20px;
  border-radius: 12px;
  background: #000;
}
.post-body h2 { font-size: 1.2rem; }
.post-hashtags { color: var(--accent); }
.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 24px;
  font-size: 0.85rem;
}