.page-news {
  background: var(--color-bg);
  color: var(--color-text);
}

/* ---------- 首屏专题 hero ---------- */
.page-news .pg-hero {
  background:
    linear-gradient(180deg, rgba(27, 94, 128, 0.06) 0%, rgba(245, 247, 250, 0) 55%),
    var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0 var(--space-md);
}

.page-news .pg-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  align-items: center;
}

.page-news .pg-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-news .pg-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-orange);
  margin: var(--space-md) 0 var(--space-xs);
}

.page-news .pg-hero__title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary-dark);
}

.page-news .pg-hero__sep {
  color: var(--color-accent-orange);
  margin: 0 0.15em;
}

.page-news .pg-hero__lead {
  max-width: 46rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 var(--space-md);
}

.page-news .pg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-news .pg-hero__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  background: var(--color-primary-dark);
}

.page-news .pg-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 最新发布 ---------- */
.page-news .pg-latest {
  background: var(--color-bg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.page-news .pg-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.page-news .pg-head__note {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-muted);
  max-width: 26rem;
}

/* 筛选器 */
.page-news .pg-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .pg-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.page-news .pg-filter__note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-right: var(--space-xs);
}

.page-news .pg-filter__label {
  display: inline-block;
  padding: 0.45rem 0.95rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  user-select: none;
}

.page-news .pg-filter__label:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-news #pg-topic-all:checked ~ .pg-filter label[for="pg-topic-all"],
.page-news #pg-topic-data:checked ~ .pg-filter label[for="pg-topic-data"],
.page-news #pg-topic-product:checked ~ .pg-filter label[for="pg-topic-product"],
.page-news #pg-topic-industry:checked ~ .pg-filter label[for="pg-topic-industry"],
.page-news #pg-topic-special:checked ~ .pg-filter label[for="pg-topic-special"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
  box-shadow: 0 4px 12px rgba(27, 94, 128, 0.22);
}

.page-news #pg-topic-data:checked ~ .pg-grid .pg-card:not(.pg-card--data),
.page-news #pg-topic-product:checked ~ .pg-grid .pg-card:not(.pg-card--product),
.page-news #pg-topic-industry:checked ~ .pg-grid .pg-card:not(.pg-card--industry),
.page-news #pg-topic-special:checked ~ .pg-grid .pg-card:not(.pg-card--special) {
  display: none;
}

/* 文章网格与卡片 */
.page-news .pg-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.page-news .pg-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .pg-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(27, 94, 128, 0.45);
}

.page-news .pg-card__media {
  margin: 0;
  aspect-ratio: 16 / 10;
  background: var(--color-primary-dark);
}

.page-news .pg-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .pg-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  flex: 1;
}

.page-news .pg-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}

.page-news .pg-card__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.page-news .pg-card__title {
  font-family: var(--font-headline);
  font-size: 1.2rem;
  line-height: 1.38;
  color: var(--color-text);
  margin: 0;
}

.page-news .pg-card__excerpt {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .pg-card__more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  padding-top: var(--space-xs);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .pg-card__more:hover {
  color: var(--color-accent-orange);
  border-color: rgba(255, 107, 53, 0.4);
}

.page-news .pg-card--textual {
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius-sm);
}

.page-news .pg-card--textual .pg-card__title {
  padding-left: var(--space-sm);
  border-left: 2px solid var(--color-accent-gold);
}

/* ---------- 专题系列 ---------- */
.page-news .pg-columns {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.page-news .pg-columns__lead {
  max-width: 40rem;
  margin: var(--space-sm) 0 var(--space-md);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-news .pg-columns__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.page-news .pg-column {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.page-news .pg-column__num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.18;
  flex: 0 0 auto;
}

.page-news .pg-column__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.page-news .pg-column__title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  line-height: 1.4;
  color: var(--color-text);
}

.page-news .pg-column__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-news .pg-column__btn {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

/* ---------- 观察数据 ---------- */
.page-news .pg-pulse {
  background: var(--gradient-primary);
  color: var(--color-surface);
  padding: var(--space-xl) 0;
}

.page-news .pg-pulse .chapter__num,
.page-news .pg-pulse .chapter__title {
  color: var(--color-surface);
}

.page-news .pg-pulse__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.page-news .pg-pulse .metric {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.page-news .pg-pulse .metric__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent-gold);
}

.page-news .pg-pulse .metric__label {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.82);
}

.page-news .pg-pulse__note {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) 0 0;
}

.page-news .pg-pulse__note p {
  max-width: 34rem;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
}

/* ---------- 响应式断点 ---------- */
@media (min-width: 680px) {
  .page-news .pg-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .pg-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-lg);
  }

  .page-news .pg-hero__media {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 900px) {
  .page-news .pg-columns__wrap {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .pg-pulse__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-news .pg-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .pg-card--featured {
    grid-column: span 2;
  }
}