@charset "utf-8";
/* ---- 返回按钮 ---- */
.back-link {
  margin-top: 2%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-600);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
  margin-bottom: 24px;
}
.back-link:hover {
  color: var(--primary);
}
.back-link i {
  font-size: 0.75rem;
}

/* ---- 项目头部 ---- */
.project-detail-hero {
  padding: 0 0 28px 0;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 36px;
  position: relative;
}
.project-detail-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 3px;
  background: var(--primary);
  border-radius: 4px;
}
.project-detail-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  line-height: 1.12;
  margin-bottom: 12px;
  max-width: 900px;
}
.project-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.project-detail-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.project-detail-meta .meta-item i {
  color: var(--primary);
  width: 16px;
  text-align: center;
  font-size: 0.85rem;
}
.project-detail-meta .category-badge {
  display: inline-block;
  background: var(--primary-soft);
  padding: 4px 16px;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.project-detail-meta .featured-badge {
  display: inline-block;
  background: var(--primary);
  padding: 4px 16px;
  border-radius: 40px;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* ---- 项目简介（精简居中） ---- */
.project-intro {
  max-width: 780px;
  margin: 0 auto 40px auto;
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-700);
}
.project-intro p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-700);
}

/* ---- 分享栏（精简，位于简介下方） ---- */
.share-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  padding: 12px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.share-bar span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.share-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  transition: all 0.25s;
  text-decoration: none;
  font-size: 0.85rem;
}
.share-bar a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-3px);
}

/* ---- 图片画廊（全宽大图 + 下方缩略图流） ---- */
.gallery-hero {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 18px;
  aspect-ratio: 16 / 7.5;
  background: var(--gray-100);
  box-shadow: var(--shadow-lg);
}
.gallery-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 48px;
}
.gallery-thumbs .thumb-item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-100);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.gallery-thumbs .thumb-item:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.gallery-thumbs .thumb-item.active {
  border-color: var(--primary);
}
.gallery-thumbs .thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-thumbs .thumb-item:hover img {
  transform: scale(1.05);
}

/* ---- 正文（可选，居中宽版） ---- */
.detail-content {
  max-width: 820px;
  margin: 0 auto 48px auto;
}
.detail-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 36px 0 14px 0;
  letter-spacing: -0.3px;
}
.detail-content p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--gray-700);
  margin-bottom: 20px;
  font-weight: 400;
}
.detail-content ul,
.detail-content ol {
  margin: 12px 0 20px 24px;
  color: var(--gray-700);
  line-height: 1.8;
  font-size: 0.95rem;
}
.detail-content ul li,
.detail-content ol li {
  margin-bottom: 4px;
}
.detail-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 22px;
  margin: 24px 0 24px 0;
  background: var(--primary-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.7;
}
.detail-content blockquote cite {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--gray-600);
  font-style: normal;
}

/* ---- 相关项目 ---- */
.related-section {
  margin-top: 16px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-100);
}
.related-section h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 24px;
  letter-spacing: -0.3px;
  text-align: center;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.related-card .thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-100);
}
.related-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .thumb img {
  transform: scale(1.05);
}
.related-card .body {
  padding: 14px 18px 18px;
}
.related-card .body .cat {
  display: inline-block;
  background: var(--primary-soft);
  padding: 2px 12px;
  border-radius: 40px;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.related-card .body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.3;
  margin-bottom: 4px;
}
.related-card .body h4 a {
  color: var(--gray-800);
  text-decoration: none;
  transition: color 0.2s;
}
.related-card .body h4 a:hover {
  color: var(--primary);
}
.related-card .body .location {
  font-size: 0.75rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ================================================================ */
/* ===== 响应式 ===== */
/* ================================================================ */
@media (max-width: 1280px) {
  .site-wrapper {
      padding: 0 28px 120px 28px;
  }
  .project-detail-title {
      font-size: 2.4rem;
  }
}
@media (max-width: 1024px) {
  .gallery-thumbs {
      grid-template-columns: repeat(4, 1fr);
  }
  .related-grid {
      grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 900px) {
  .project-detail-title {
      font-size: 2rem;
  }
  .project-detail-meta {
      gap: 12px 18px;
  }
}
@media (max-width: 768px) {
  .site-wrapper {
      padding: 0 16px 80px 16px;
  }
  .project-detail-hero {
      padding: 0 0 20px;
      margin-bottom: 24px;
  }
  .project-detail-title {
      font-size: 1.5rem;
  }
  .project-intro {
      font-size: 1rem;
      margin-bottom: 28px;
  }
  .project-intro p {
      font-size: 1rem;
  }
  .gallery-hero {
      aspect-ratio: 4 / 3;
      border-radius: var(--radius-lg);
  }
  .gallery-thumbs {
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-bottom: 32px;
  }
  .share-bar {
      flex-wrap: wrap;
      gap: 10px;
      padding: 10px 0;
  }
  .related-grid {
      grid-template-columns: 1fr;
  }
  .detail-content {
      margin-bottom: 32px;
  }
  .detail-content h2 {
      font-size: 1.2rem;
      margin-top: 24px;
  }
}
@media (max-width: 550px) {
  .gallery-thumbs {
      grid-template-columns: repeat(2, 1fr);
  }
  .project-detail-meta {
      gap: 8px 14px;
      font-size: 0.8rem;
  }
  .project-detail-title {
      font-size: 1.3rem;
  }
}