/* --- 新增：About 頁面專屬 CSS --- */

/* Section 1: Hero Banner (半屏) */
.about-hero {
  height: 55vh;
  min-height: 400px;
  position: relative;
  background-size: cover;
  background-position: center;
}
.about-hero-overlay {
  position: absolute;
  inset: 0;
  /* 綠色 Overlay 效果 */
  background: rgba(30, 92, 84, 0.75); 
}
.about-hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}
.about-hero-title {
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.2;
  color: var(--white);
  max-width: 800px;
}

/* Section 2: Brand Story */
.story-section {
  padding: 6rem 0;
  background-color: var(--white);
}
.story-text-container {
  padding-right: 3rem;
}
.story-heading {
  font-size: 2.5rem;
  color: var(--primary-teal-dark);
  margin-bottom: 2rem;
  line-height: 1.3;
}
.story-portrait-img {
  width: 100%;
  height: 700px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Section 3: Community & Social */
.community-section {
  background-color: var(--bg-peach);
  padding: 6rem 0;
}
.masonry-img {
  width: 100%;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  object-fit: cover;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: var(--transition-smooth);
}
.masonry-img:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.masonry-img-tall { height: 400px; }
.masonry-img-short { height: 250px; }

/* Section 4: University Commute Circle */
.commute-section {
  padding: 6rem 0;
  background-color: var(--bg-light);
}
.commute-map-img {
  width: 100%;
  height: 100%;
  min-height: 500px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.commute-card {
  background: var(--white);
  border-left: 4px solid var(--secondary-orange);
  padding: 1.5rem 2rem;
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}
.commute-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateX(5px);
}
.commute-title {
  color: var(--primary-teal-dark);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}
.commute-info {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.commute-icon {
  color: var(--secondary-orange);
  font-size: 1.1rem;
}

@media (max-width: 991.98px) {
  .story-text-container { padding-right: 15px; margin-bottom: 3rem; }
  .story-portrait-img { height: 400px; }
  .commute-map-img { min-height: 300px; margin-bottom: 2rem; }
}