/* ===== J9数据专栏专属样式 ===== */
.page-news {
  --news-radius: 14px;
  --news-card-bg: rgba(255, 255, 255, 0.035);
  --news-border: rgba(255, 255, 255, 0.09);
  --news-sidebar-width: 280px;
  color: var(--c-mut);
}

/* 面包屑 */
.page-news__breadcrumb {
  padding: 18px 0 6px;
  font-size: 13px;
}
.page-news__breadcrumb .breadcrumb__link {
  color: var(--c-mut);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.page-news__breadcrumb .breadcrumb__link:hover {
  color: var(--c-text);
}
.page-news__breadcrumb .breadcrumb__sep {
  color: var(--c-border);
  margin: 0 8px;
}
.page-news__breadcrumb-current {
  color: var(--c-orange);
  font-weight: 600;
}

/* 顶部横幅 */
.page-news__hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 340px;
  margin: 12px 0 32px;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: linear-gradient(200deg, rgba(19, 42, 79, 0.92) 0%, rgba(11, 29, 58, 0.68) 100%), var(--c-deep);
}
.page-news__hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}
.page-news__hero-content {
  position: relative;
  z-index: 1;
  padding: 32px 20px 28px;
}
.page-news__kicker {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-green);
}
.page-news__hero h1 {
  margin: 0 0 14px;
  max-width: 18em;
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 5vw, 2.7rem);
  line-height: 1.18;
  color: var(--c-text);
}
.page-news__lead {
  margin: 0 0 18px;
  max-width: 62em;
  font-size: 14px;
  line-height: 1.85;
}
.page-news__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 主布局：移动端单列 */
.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* 侧边筛选器 */
.page-news__sidebar-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--c-text);
}
.page-news__sidebar-note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.6;
}
.page-news__filter {
  display: grid;
  gap: 6px;
}
.page-news__filter-btn {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--c-mut);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-news__filter-btn:hover {
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.06);
}
.page-news__filter-btn.is-active {
  color: var(--c-deep);
  background: var(--c-green);
  border-color: rgba(0, 200, 160, 0.5);
  font-weight: 700;
}
.page-news__side-card {
  margin-top: 26px;
  padding: 18px 16px;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  background: linear-gradient(150deg, rgba(255, 107, 53, 0.1), rgba(255, 255, 255, 0.02));
}
.page-news__side-card h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--c-text);
}
.page-news__side-links {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news__side-links a {
  color: var(--c-orange);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.page-news__side-links a:hover {
  color: var(--c-text);
}
.page-news__side-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--news-border);
  font-size: 12px;
  line-height: 1.6;
}

/* 内容列 */
.page-news__section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--news-border);
}
.page-news__section-index {
  white-space: nowrap;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}
.page-news__section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--c-text);
}

/* 文章列表 */
.page-news__list {
  display: grid;
  gap: 18px;
}

/* 文章卡片 */
.page-news__article {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  background: var(--news-card-bg);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.page-news__article:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 200, 160, 0.35);
  background: rgba(255, 255, 255, 0.055);
}

/* 插图区 */
.page-news__media {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--c-elev);
}
.page-news__media-img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-news__media-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(11, 29, 58, 0.88);
  color: var(--c-text);
  font-size: 12px;
  line-height: 1;
  backdrop-filter: blur(4px);
}

/* 条目文字 */
.page-news__entry-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 12px;
}
.page-news__entry-cat {
  font-family: var(--font-num);
  letter-spacing: 0.05em;
  color: var(--c-green);
}
.page-news__entry h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-text);
}
.page-news__entry p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
}
.page-news__entry-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(0, 200, 160, 0.18);
  border-radius: 999px;
  background: rgba(0, 200, 160, 0.1);
  font-size: 13px;
  line-height: 1.4;
}
.page-news__stat-num {
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-green);
}
.page-news__entry--plain {
  padding: 2px 0;
}

/* 历史归档 */
.page-news__archive {
  margin-top: 44px;
}
.page-news__archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-news__archive-season {
  padding: 18px;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  background: rgba(255, 255, 255, 0.03);
}
.page-news__archive-season h3 {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--news-border);
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}
.page-news__archive-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-news__archive-item {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}
.page-news__archive-cat {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-green);
}
.page-news__archive-title {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text);
}

/* 平板与桌面增强 */
@media (min-width: 768px) {
  .page-news__hero-content {
    padding: 48px 36px 40px;
  }
  .page-news__lead {
    font-size: 15px;
  }

  .page-news__article {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  }
  .page-news__article--plain {
    display: block;
  }
  .page-news__article--flip .page-news__media {
    order: 2;
  }
  .page-news__article--flip .page-news__entry {
    order: 1;
  }
  .page-news__media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 150px;
  }

  .page-news__archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news__layout {
    grid-template-columns: var(--news-sidebar-width) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }
  .page-news__sidebar-inner {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow: auto;
    padding-right: 4px;
  }
}