body {
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.7;
}

.quote-form label {
  display: block;
  margin-top: 0.75rem;
  font-weight: 600;
}

.quote-form input,
.quote-form textarea,
.quote-form select {
  display: block;
  width: 100%;
  max-width: 36rem;
  margin-top: 0.25rem;
  padding: 0.4rem 0.5rem;
}

.quote-form button {
  margin-top: 1rem;
  padding: 0.45rem 1rem;
}

.note-tbd {
  color: #555;
  font-size: 0.95rem;
}

.content img {
  max-width: 100%;
  height: auto;
}

img.site-logo {
  max-height: 4.5rem;
  width: auto;
  background: #111;
  padding: 0.4rem 0.7rem;
}

.photo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
}

.photo-grid figure {
  margin: 0;
  max-width: 22rem;
}

.photo-grid figcaption,
.photo-caption {
  font-size: 0.9rem;
  color: #555;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.product-grid figure {
  margin: 0;
  padding: 0.6rem;
  background: #f4f4f4;
}

.product-grid img {
  width: 100%;
  height: 9rem;
  object-fit: contain;
  background: #fff;
}

.product-grid figcaption {
  font-size: 0.85rem;
  margin-top: 0.45rem;
  line-height: 1.4;
}

img.hero {
  max-width: 32rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: #f4f4f4;
}

.source-note {
  font-size: 0.85rem;
  color: #555;
}

.mermaid {
  overflow-x: auto;
  margin: 1rem 0;
}

.chart-wrap {
  max-width: 22rem;
  margin: 1rem 0;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
}