.detail-nav-section {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--header-offset, 96px);
  z-index: 24;
  padding: 0.65rem 0;
  background: rgba(249, 241, 228, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(120, 92, 65, 0.15);
  box-shadow: 0 6px 18px rgba(34, 24, 14, 0.1);
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  margin-bottom: 0;
  padding: 0.52rem 0.76rem;
  border: 1px solid rgba(126, 95, 63, 0.24);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.98);
  box-shadow: 0 8px 18px rgba(39, 28, 18, 0.1);
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.detail-nav-section + .detail-hero {
  padding-top: calc(var(--detail-nav-offset, 56px) + 2.9rem);
}

.breadcrumb a {
  text-decoration: none;
  color: var(--accent-strong);
  font-weight: 700;
}

.detail-hero {
  padding: 2.9rem 0 1.3rem;
}

.detail-hero-inner {
  position: relative;
  overflow: hidden;
  background: linear-gradient(132deg, rgba(252, 243, 228, 0.97), rgba(244, 229, 206, 0.93));
  border: 1px solid rgba(126, 95, 63, 0.2);
  border-radius: 1.35rem;
  box-shadow: 0 18px 40px rgba(30, 20, 12, 0.14);
  padding: 1.6rem;
}

.detail-hero-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #e7b16a, var(--accent-alt));
}

.detail-hero-inner h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  margin-bottom: 0.82rem;
}

.detail-hero-actions {
  margin-top: 1.05rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.detail-head {
  max-width: 57rem;
}

.detail-visual {
  margin-top: 1.1rem;
  border: 1px solid rgba(126, 95, 63, 0.2);
  border-radius: 1.35rem;
  overflow: hidden;
  box-shadow: 0 18px 36px rgba(31, 22, 15, 0.14);
  background: var(--bg-card);
}

.detail-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  transition: transform 360ms ease;
}

.detail-visual:hover img {
  transform: scale(1.03);
}

.detail-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.detail-visual + .detail-grid {
  margin-top: 1.05rem;
}

.detail-card {
  background: linear-gradient(154deg, rgba(255, 252, 246, 0.98), rgba(249, 239, 222, 0.94));
  border: 1px solid rgba(126, 95, 63, 0.2);
  border-radius: var(--radius-l);
  box-shadow: 0 16px 34px rgba(31, 22, 15, 0.12);
  padding: 1.1rem 1rem 1.2rem;
}

.detail-card h3 {
  margin-bottom: 0.55rem;
}

.detail-card ul {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.38rem;
  color: var(--ink-soft);
}

.source-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.source-card h3 {
  margin-bottom: 0.55rem;
}

.source-card ul {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.4rem;
}

.source-card a {
  color: var(--accent-strong);
}

@media (max-width: 980px) {
  .detail-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .detail-visual img {
    aspect-ratio: 16 / 8;
  }
}

@media (max-width: 860px) {
  .detail-nav-section {
    padding: 0.55rem 0;
  }

  .detail-hero {
    padding: 2rem 0 1rem;
  }
}

@media (max-width: 640px) {
  .detail-visual img {
    aspect-ratio: 4 / 3;
  }
}