/* ===== 行业观察（page-news）专属样式 ===== */
.page-news {
  --pn-bg: #FFF8E7;
  --pn-text: #2C1A0E;
  --pn-text-body: #3A2A1A;
  --pn-gold: #D4AF37;
  --pn-purple: #4A0E4E;
  --pn-neon-blue: #00D4FF;
  --pn-glass-bg: rgba(74, 14, 78, 0.07);
  --pn-glass-border: rgba(212, 175, 55, 0.2);
  --pn-shadow: 0 4px 24px rgba(74, 14, 78, 0.10);
  --pn-radius: 10px;
  --pn-grid-gap: 24px;
  --pn-content-max: 1200px;
  --pn-timeline-width: 140px;
  display: block;
  width: 100%;
  background-color: var(--pn-bg);
  color: var(--pn-text-body);
  font-family: var(--body-font, 'IBM Plex Sans', system-ui, sans-serif);
  line-height: 1.6;
}
/* 容器 */
.page-news__container {
  max-width: var(--pn-content-max);
  margin: 0 auto;
  padding: 24px 16px 48px;
}
/* 面包屑 + 页头 */
.page-news__context {
  margin-bottom: 32px;
}
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--pn-text-body);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.page-news__breadcrumb-link {
  color: var(--pn-purple);
  text-decoration: none;
  font-weight: 500;
}
.page-news__breadcrumb-link:hover {
  text-decoration: underline;
  color: var(--pn-gold);
}
.page-news__breadcrumb-sep {
  color: #b0a090;
}
.page-news__breadcrumb-current {
  color: var(--pn-text);
  font-weight: 600;
}
.page-news__page-title {
  font-family: var(--heading-font, 'Compacta Bold', Impact, sans-serif);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--pn-purple) 0%, var(--pn-gold) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin: 0 0 8px 0;
}
.page-news__page-desc {
  font-size: 1.05rem;
  color: var(--pn-text-body);
  max-width: 680px;
  line-height: 1.6;
  margin: 0;
}
/* 两栏布局 */
.page-news__layout {
  display: flex;
  flex-direction: column;
  gap: var(--pn-grid-gap);
}
/* ===== 左侧时间线（桌面侧栏） ===== */
.page-news__timeline-aside {
  display: none;
}
/* ===== 右侧内容区 ===== */
.page-news__content-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
/* ===== 章节通用 ===== */
.page-news__section {
  scroll-margin-top: 80px;
}
.page-news__section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.page-news__section-title {
  font-family: var(--heading-font, 'Compacta Bold', Impact, sans-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pn-purple);
  margin: 0;
  line-height: 1.2;
}
.page-news__section-badge {
  display: inline-block;
  background: var(--pn-gold);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.6;
}
.page-news__section-badge--alt {
  background: var(--pn-neon-blue);
  color: #0a1a2a;
}
/* ===== 最新观察网格 ===== */
.page-news__latest-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-grid-gap);
}
/* ===== 卡片通用（毛玻璃） ===== */
.page-news__card,
.page-news__series-card {
  background: var(--pn-glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--pn-glass-border);
  border-radius: var(--pn-radius);
  box-shadow: var(--pn-shadow);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.page-news__card:hover,
.page-news__series-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(74, 14, 78, 0.18);
}
.page-news__card-img-wrap,
.page-news__series-img-wrap {
  width: 100%;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: #e8ddd0;
}
.page-news__series-img-wrap--small {
  aspect-ratio: 8 / 5;
}
.page-news__card-img,
.page-news__series-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__card-body,
.page-news__series-body {
  padding: 16px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.page-news__card-tags,
.page-news__series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.page-news__tag {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  color: #0a6a8a;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(0, 212, 255, 0.25);
}
.page-news__card-title,
.page-news__series-title {
  font-family: var(--heading-font, 'Compacta Bold', Impact, sans-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--pn-text);
  margin: 0 0 6px 0;
  line-height: 1.3;
}
.page-news__card-summary,
.page-news__series-summary {
  font-size: 0.92rem;
  color: var(--pn-text-body);
  margin: 0 0 14px 0;
  line-height: 1.6;
  flex: 1;
}
.page-news__card-toggle {
  align-self: flex-start;
  font-size: 0.82rem;
  padding: 6px 18px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin-top: auto;
}
.page-news__card-full {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(74, 14, 78, 0.12);
}
.page-news__card-text {
  font-size: 0.9rem;
  color: var(--pn-text-body);
  line-height: 1.7;
  margin: 0;
}
/* ===== 专题系列网格 ===== */
.page-news__series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-grid-gap);
}
.page-news__series-card--featured {
  grid-column: 1 / -1;
}
/* ===== 更新日志 ===== */
.page-news__changelog {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-news__changelog-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--pn-glass-bg);
  border-radius: var(--pn-radius);
  border: 1px solid var(--pn-glass-border);
  transition: background 0.2s;
}
.page-news__changelog-item:hover {
  background: rgba(74, 14, 78, 0.05);
}
.page-news__changelog-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.page-news__changelog-img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  display: block;
  border-radius: 50%;
}
.page-news__changelog-content {
  flex: 1;
  min-width: 0;
}
.page-news__changelog-title {
  font-family: var(--heading-font, 'Compacta Bold', Impact, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--pn-text);
  margin: 0 0 4px 0;
  line-height: 1.3;
}
.page-news__changelog-desc {
  font-size: 0.88rem;
  color: var(--pn-text-body);
  margin: 0;
  line-height: 1.6;
}
.page-news__changelog-footnote {
  font-size: 0.85rem;
  color: var(--pn-text-body);
  margin: 12px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid rgba(74, 14, 78, 0.08);
}
.page-news__inline-link {
  color: var(--pn-purple);
  text-decoration: underline;
  font-weight: 500;
}
.page-news__inline-link:hover {
  color: var(--pn-gold);
}
/* ===== 信任声明 ===== */
.page-news__trust {
  margin-top: 8px;
  padding: 16px 20px;
  background: rgba(74, 14, 78, 0.04);
  border-radius: var(--pn-radius);
  border-left: 4px solid var(--pn-gold);
}
.page-news__trust-text {
  font-size: 0.85rem;
  color: var(--pn-text-body);
  margin: 0;
  line-height: 1.6;
}
/* ===== 内部导航 ===== */
.page-news__internal-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(74, 14, 78, 0.08);
}
.page-news__internal-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pn-text);
}
.page-news__internal-link {
  font-size: 0.88rem;
  color: var(--pn-purple);
  text-decoration: none;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.page-news__internal-link:hover {
  color: var(--pn-gold);
  border-bottom-color: var(--pn-gold);
}
/* ===== 响应式 ===== */

/* 平板及以上：恢复时间线侧栏 */
@media screen and (min-width: 768px) {
  .page-news__container {
    padding: 32px 24px 56px;
  }
  .page-news__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 32px;
  }
  .page-news__timeline-aside {
    display: block;
    position: sticky;
    top: 80px;
    width: var(--pn-timeline-width);
    flex-shrink: 0;
  }
  .page-news__timeline-track {
    position: relative;
    min-height: 320px;
    padding-left: 20px;
  }
  .page-news__timeline-svg {
    position: absolute;
    left: 4px;
    top: 0;
    bottom: 0;
    width: 2px;
    height: 100%;
    min-height: 320px;
  }
  .page-news__timeline-stops {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
  }
  .page-news__timeline-stop {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
  }
  .page-news__stop-dot {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--pn-gold);
    border: 2px solid var(--pn-gold);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: transform 0.2s;
  }
  .page-news__timeline-stop.is-active .page-news__stop-dot {
    transform: scale(1.3);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.25);
  }
  .page-news__stop-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pn-text);
    text-decoration: none;
    line-height: 1.3;
    transition: color 0.2s;
  }
  .page-news__stop-label:hover {
    color: var(--pn-gold);
  }
  .page-news__timeline-stop.is-active .page-news__stop-label {
    color: var(--pn-purple);
    font-weight: 700;
  }
  /* 最新观察网格 2列 */
  .page-news__latest-grid {
    grid-template-columns: 1fr 1fr;
  }
  /* 专题系列网格 2列 */
  .page-news__series-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__series-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .page-news__series-card--featured .page-news__series-img-wrap {
    aspect-ratio: auto;
    height: 100%;
  }
}

/* 桌面（1024px+）更大间距与三列 */
@media screen and (min-width: 1024px) {
  .page-news__container {
    padding: 40px 32px 64px;
  }
  .page-news__latest-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news__series-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__series-card--featured {
    grid-column: 1 / -1;
  }
  .page-news__timeline-aside {
    width: 160px;
  }
}

/* 大幅减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-news__card,
  .page-news__series-card,
  .page-news__card-toggle,
  .page-news__stop-dot,
  .page-news__internal-link {
    transition: none !important;
    transform: none !important;
  }
}

/* 打印样式 */
@media print {
  .page-news__timeline-aside {
    display: none;
  }
  .page-news__card,
  .page-news__series-card,
  .page-news__changelog-item {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}