/* 關於我們 — 僅 about.html 使用 */

.about-main {
  padding-bottom: 5rem;
  overflow-x: hidden;
}

.about-main .page-head {
  padding: 3.5rem 1.5rem 2.25rem;
  margin-bottom: 2.5rem;
  border-bottom: none;
}

/* ── 橫幅照片 ── */
.about-banner {
  max-width: 1050px;
  margin: 0 auto calc(4.5rem + 40px);
  padding: 0 1.5rem;
}

.about-banner-frame {
  width: 100%;
  aspect-ratio: 16 / 7.5;
  overflow: hidden;
  background: var(--line);
  line-height: 0;
}

.about-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
}

/* ── 三欄內容 ── */
.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 1050px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-pillar {
  padding: 2.75rem 2rem;
  border-right: 1px solid var(--line);
}

.about-pillar:last-child {
  border-right: none;
}

.about-pillar h2 {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin-bottom: 1.35rem;
}

.about-pillar p {
  font-size: 0.95rem;
  color: var(--brown-soft);
  line-height: 2.05;
  letter-spacing: 0.04em;
}

/* ── 品牌收尾 ── */
.about-closing {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.5rem 1rem;
  text-align: center;
}

.about-closing-tagline {
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  color: var(--sage);
  margin-bottom: 1.35rem;
}

.about-closing-body p {
  font-size: 0.95rem;
  color: var(--brown-soft);
  line-height: 2.1;
  letter-spacing: 0.04em;
  margin-bottom: 1.35rem;
}

.about-closing-body p:last-child {
  margin-bottom: 0;
}

.about-closing-signoff {
  margin-top: 2.25rem;
  font-size: 1rem;
  letter-spacing: 0.16em;
  color: var(--brown);
}

/* ── RWD ── */
@media (max-width: 1024px) {
  .about-pillar {
    padding: 2.25rem 1.5rem;
  }

  .about-pillar p {
    font-size: 0.92rem;
  }
}

@media (max-width: 768px) {
  .about-main .page-head {
    padding: 2.75rem 1.25rem 2rem;
    margin-bottom: 2rem;
  }

  .about-pillar p {
    font-size: 1rem;
    line-height: 1.85;
  }

  .about-banner {
    margin-bottom: 1.875rem;
    padding: 0 1.25rem;
  }

  .about-banner-frame {
    aspect-ratio: 16 / 10;
    max-height: 200px;
  }

  .about-pillars {
    grid-template-columns: 1fr;
    margin-bottom: 4rem;
    padding: 0 1.25rem;
  }

  .about-pillar {
    padding: 2rem 0;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .about-pillar:last-child {
    border-bottom: none;
  }

  .about-closing {
    padding: 0 1.25rem 1rem;
  }

  .about-closing-tagline {
    margin-bottom: 1.25rem;
  }
}

@media (max-width: 430px) {
  .about-main .page-head h1 {
    font-size: 1.25rem;
  }

  .about-banner-frame {
    max-height: 180px;
  }

  .about-pillar h2 {
    font-size: 0.88rem;
  }

  .about-pillar p,
  .about-closing-body p {
    font-size: 1rem;
    line-height: 1.85;
  }

  .about-closing-signoff {
    font-size: 0.95rem;
  }
}