/* ===== 品牌日志页专属样式 ===== */
.page-news {
  --color-accent: #D4AF37;
  --color-dark: #100520;
  --color-highlight: #C0392B;
  --color-light: #E5D9F2;
  --color-primary: #2B0F4C;
  --color-secondary: #4A1C74;
  --gradient-gold: linear-gradient(135deg, #D4AF37, #F1C40F);
  --gradient-primary: linear-gradient(135deg, #2B0F4C, #4A1C74);
  --font-heading: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Courier New', Consolas, monospace;
  --max-width: 1200px;
  --transition: 0.3s ease;
  --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.15);
  --header-height: 56px;
}

/* ---- 面包屑 ---- */
.page-news .breadcrumb {
  padding: 1rem 1.25rem 0;
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.8125rem;
  color: var(--color-light);
  opacity: 0.7;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}
.page-news .breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  opacity: 0.8;
  text-decoration: underline;
}
.page-news .breadcrumb .separator {
  color: var(--color-accent);
  opacity: 0.5;
  font-family: var(--font-mono);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-light);
  opacity: 0.9;
}

/* ---- 首屏 ---- */
.page-news .hero {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
}
.page-news .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-news .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news .hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,5,32,0.92) 20%, rgba(43,15,76,0.65) 60%, rgba(43,15,76,0.3) 100%);
  pointer-events: none;
}
.page-news .hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem 1.25rem 2.5rem;
  width: 100%;
}
.page-news .hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 2.5rem;
  line-height: 1.15;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin: 0 0 0.75rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.page-news .hero-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-light);
  max-width: 640px;
  margin: 0;
  opacity: 0.92;
}

/* ---- 分类索引 ---- */
.page-news .content-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 1.25rem 0;
}
.page-news .category-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(212,175,55,0.25);
  padding-bottom: 0.75rem;
}
.page-news .index-item {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.5rem 1.25rem;
  background: transparent;
  border: 1px solid rgba(212,175,55,0.3);
  border-radius: 2rem;
  color: var(--color-light);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.page-news .index-item:hover,
.page-news .index-item:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(212,175,55,0.08);
}
.page-news .index-item.active {
  background: var(--gradient-gold);
  color: var(--color-dark);
  border-color: transparent;
  font-weight: 800;
}

/* ---- 卡片网格区 ---- */
.page-news .card-grid-wrapper {
  flex: 1;
  min-width: 0;
}
.page-news .tab-panel {
  display: none;
}
.page-news .tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.page-news .section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--color-accent);
  margin: 0 0 1.25rem;
  letter-spacing: 0.02em;
}
.page-news .card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* ---- 卡片 ---- */
.page-news .card-item {
  background: var(--color-secondary);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 1rem;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.page-news .card-item:hover,
.page-news .card-item:focus-within {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 12px 40px rgba(212,175,55,0.15), 0 0 0 1px rgba(212,175,55,0.3);
  border-color: var(--color-accent);
}
.page-news .card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-dark);
}
.page-news .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.page-news .card-item:hover .card-img-wrap img,
.page-news .card-item:focus-within .card-img-wrap img {
  transform: scale(1.05);
}
.page-news .card-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  color: var(--color-dark);
  background: var(--gradient-gold);
  line-height: 1.4;
}
.page-news .tag-dynamic {
  background: var(--gradient-gold);
  color: var(--color-dark);
}
.page-news .tag-guide {
  background: var(--color-accent);
  color: var(--color-dark);
}
.page-news .tag-insight {
  background: var(--color-highlight);
  color: #fff;
}
.page-news .card-body {
  padding: 1.125rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-news .card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.3;
  margin: 0;
}
.page-news .card-title a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition);
}
.page-news .card-title a:hover,
.page-news .card-title a:focus-visible {
  opacity: 0.85;
  text-decoration: underline;
}
.page-news .card-excerpt {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-light);
  opacity: 0.85;
  margin: 0;
  flex: 1;
}
.page-news .card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  opacity: 0.7;
  letter-spacing: 0.04em;
}
.page-news .card-featured {
  grid-column: 1 / -1;
  border-color: rgba(212,175,55,0.4);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}
.page-news .card-wide {
  grid-column: 1 / -1;
}

/* ---- 归档索引 ---- */
.page-news .archive-section {
  margin-top: 3rem;
  padding: 2.5rem 0;
  background: linear-gradient(180deg, transparent, rgba(74,28,116,0.3) 40%, rgba(43,15,76,0.5));
  border-top: 1px solid rgba(212,175,55,0.15);
  border-bottom: 1px solid rgba(212,175,55,0.15);
}
.page-news .archive-header {
  padding: 0 1.25rem;
  margin-bottom: 1.5rem;
}
.page-news .archive-title {
  margin-bottom: 0.5rem !important;
}
.page-news .archive-desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-light);
  opacity: 0.7;
  margin: 0;
}
.page-news .archive-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 0 1.25rem;
}
.page-news .archive-visual {
  border-radius: 0.75rem;
  overflow: hidden;
  background: var(--color-dark);
}
.page-news .archive-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  opacity: 0.85;
}
.page-news .archive-list-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news .archive-group {
  background: rgba(16,5,32,0.4);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-accent);
}
.page-news .archive-group-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(212,175,55,0.15);
}
.page-news .archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-news .archive-list li {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.page-news .archive-list a {
  color: var(--color-light);
  text-decoration: none;
  transition: color var(--transition);
  display: inline-block;
  padding: 0.125rem 0;
}
.page-news .archive-list a:hover,
.page-news .archive-list a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ---- 延伸阅读 ---- */
.page-news .related-links {
  padding: 2.5rem 1.25rem 3rem;
}
.page-news .related-title {
  margin-bottom: 1.25rem !important;
}
.page-news .related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-news .related-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--color-secondary);
  border: 1px solid rgba(212,175,55,0.15);
  border-radius: 0.875rem;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  transition: all var(--transition);
}
.page-news .related-card:hover,
.page-news .related-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-accent);
}
.page-news .related-card .chapter-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.page-news .related-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-accent);
}
.page-news .related-desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-light);
  opacity: 0.7;
  line-height: 1.5;
}

/* ---- 响应式 768px+ ---- */
@media (min-width: 768px) {
  .page-news .hero {
    min-height: 340px;
  }
  .page-news .hero-content {
    padding: 3rem 2rem 3.5rem;
  }
  .page-news .hero-title {
    font-size: 3.5rem;
  }
  .page-news .hero-desc {
    font-size: 1.125rem;
  }
  .page-news .content-layout {
    flex-direction: row;
    gap: 2.5rem;
    padding: 2.5rem 2rem 0;
  }
  .page-news .category-index {
    flex-direction: column;
    flex-shrink: 0;
    width: 160px;
    border-bottom: none;
    border-right: 1px solid rgba(212,175,55,0.2);
    padding-bottom: 0;
    padding-right: 1.5rem;
    gap: 0.625rem;
  }
  .page-news .index-item {
    width: 100%;
    text-align: left;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
  }
  .page-news .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .card-featured {
    grid-column: 1 / -1;
  }
  .page-news .card-wide {
    grid-column: 1 / -1;
  }
  .page-news .archive-header {
    padding: 0 2rem;
  }
  .page-news .archive-layout {
    flex-direction: row;
    align-items: stretch;
    padding: 0 2rem;
  }
  .page-news .archive-visual {
    flex-shrink: 0;
    width: 300px;
  }
  .page-news .archive-list-wrap {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .page-news .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .related-links {
    padding: 3rem 2rem 4rem;
  }
  .page-news .breadcrumb {
    padding: 1rem 2rem 0;
  }
}

/* ---- 响应式 1024px+ ---- */
@media (min-width: 1024px) {
  .page-news .hero {
    min-height: 400px;
  }
  .page-news .hero-title {
    font-size: 4.5rem;
  }
  .page-news .hero-desc {
    font-size: 1.25rem;
    max-width: 720px;
  }
  .page-news .category-index {
    width: 200px;
    gap: 0.75rem;
  }
  .page-news .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .card-featured {
    grid-column: span 2;
  }
  .page-news .card-wide {
    grid-column: 1 / -1;
  }
  .page-news .content-layout {
    padding: 3rem 2rem 0;
    max-width: var(--max-width);
    margin: 0 auto;
  }
  .page-news .archive-visual {
    width: 360px;
  }
  .page-news .archive-list-wrap {
    gap: 1.5rem;
  }
  .page-news .related-grid {
    max-width: var(--max-width);
    margin: 0 auto;
  }
  .page-news .related-links {
    padding: 3.5rem 2rem 5rem;
  }
}