/* =========================================================
   about03-activity.css
   載入：shared-typography.css 之後
   頁面：about_activity_album.aspx, about_activity_album_detail.aspx
========================================================= */

/* =========================================================
   about_activity_album.aspx — 華城活動花絮列表
========================================================= */

.about-activity-page .activity-intro {
  margin: 0 0 24px;
  max-width: 46rem;
  color: #425863;
  font-size: 0.98rem;
  line-height: 1.75;
}

.about-activity-page .activity-wrapper {
  position: relative;
}

.about-activity-page .activity-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
}

.about-activity-page .activity-card {
  min-width: 0;
  height: 100%;
}

.about-activity-page .activity-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid rgba(12, 89, 111, 0.1);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(7, 41, 56, 0.05);
  overflow: hidden;
  color: inherit !important;
  text-decoration: none !important;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.about-activity-page .activity-card:hover .activity-card__link {
  transform: translateY(-4px);
  border-color: rgba(25, 167, 184, 0.32);
  box-shadow: 0 12px 28px rgba(7, 41, 56, 0.1);
}

.about-activity-page .activity-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eef4f6;
}

.about-activity-page .activity-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.about-activity-page .activity-card:hover .activity-card__img {
  transform: scale(1.05);
}

.about-activity-page .activity-card__year {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(8, 61, 77, 0.82);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.about-activity-page .activity-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 16px 16px 18px;
}

.about-activity-page .activity-card__date {
  color: #6a7c85;
  font-size: 0.8rem;
  font-weight: 600;
}

.about-activity-page .activity-card__title {
  margin: 0;
  flex: 1;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.55;
  color: #243a44;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.about-activity-page .activity-card:hover .activity-card__title {
  color: var(--about-primary-deep);
}

.about-activity-page .activity-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--about-primary);
  font-size: 0.82rem;
  font-weight: 700;
}

.about-activity-page .activity-card__more i {
  font-size: 0.9rem;
  transition: transform 0.22s ease;
}

.about-activity-page .activity-card:hover .activity-card__more i {
  transform: translateX(2px);
}

.about-activity-page .activity-pagination {
  margin-top: 32px;
  padding-top: 8px;
}

@media (max-width: 1199.98px) {
  .about-activity-page .activity-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .about-activity-page .activity-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (max-width: 575.98px) {
  .about-activity-page .activity-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   about_activity_album_detail.aspx — 活動相簿內頁
========================================================= */

.about-activity-detail-page .activity-gallery {
  margin-top: 4px;
}

.about-activity-detail-page .activity-gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.about-activity-detail-page .activity-gallery__item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: #eef4f6;
  border: 1px solid rgba(12, 89, 111, 0.08);
  box-shadow: 0 4px 14px rgba(7, 41, 56, 0.04);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.about-activity-detail-page .activity-gallery__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(7, 41, 56, 0.08);
}

.about-activity-detail-page .activity-gallery__item a {
  display: block;
  cursor: zoom-in;
}

.about-activity-detail-page .activity-gallery__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.about-activity-detail-page .activity-gallery__item:hover .activity-gallery__img {
  transform: scale(1.04);
}

@media (max-width: 991.98px) {
  .about-activity-detail-page .activity-gallery__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .about-activity-detail-page .activity-gallery__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}