/* ===== 文章专栏页面专属 ===== */
.page-news {
  --news-index-width: 240px;
  --news-card-shadow: none;
  background-color: var(--color-light);
  color: var(--color-text);
  padding-bottom: 2.5rem;
}

/* ---------- 面包屑 ---------- */
.page-news .news-breadcrumb {
  padding-top: 1.25rem;
}
.page-news .news-breadcrumb .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0;
}
.page-news .news-breadcrumb .breadcrumb a {
  color: var(--color-text-soft);
  text-decoration: none;
}
.page-news .news-breadcrumb .breadcrumb a:hover {
  color: var(--color-accent);
}
.page-news .news-breadcrumb .breadcrumb [aria-current="page"] {
  color: var(--color-accent);
}

/* ---------- 刊头 ---------- */
.page-news .news-masthead {
  display: grid;
  gap: 1.75rem;
  padding: 2rem 0 2.25rem;
  border-bottom: 4px solid var(--color-deep);
  position: relative;
}
.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 92px;
  height: 6px;
  background: var(--color-accent);
}
.page-news .news-masthead__intro {
  min-width: 0;
}
.page-news .news-masthead__kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.5rem;
}
.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.375rem);
  line-height: 1.12;
  color: var(--color-deep);
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}
.page-news .news-masthead__lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-soft);
  max-width: 62ch;
  margin: 0;
}
.page-news .news-masthead__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem 1.5rem;
  align-items: center;
}
.page-news .news-masthead__stat {
  border-left: 4px solid var(--color-gold);
  padding-left: 0.875rem;
  margin: 0;
}
.page-news .news-masthead__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-deep);
}
.page-news .news-masthead__stat span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
}

/* ---------- 工具条 ---------- */
.page-news .news-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.page-news .news-toolbar__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  margin: 0;
}
.page-news .news-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-news .news-filterbar .filter-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-news .news-filterbar .filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.page-news .news-filterbar .filter-btn.is-active {
  background: var(--color-deep);
  border-color: var(--color-deep);
  color: var(--color-white);
}

/* ---------- 编辑主体布局 ---------- */
.page-news .news-editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem 2.5rem;
  padding-top: 2.5rem;
}
.page-news .news-articles-pane {
  min-width: 0;
}

/* ---------- 侧边索引 ---------- */
.page-news .news-index-pane {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 1.25rem;
}
.page-news .news-index-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.page-news .news-index-head__en {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.2rem 0.375rem;
}
.page-news .news-index-head h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-deep);
  margin: 0;
}
.page-news .news-index-pane .index-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.page-news .news-index-pane .index-list li {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}
.page-news .news-index-pane .index-list li:last-child {
  border-bottom: none;
}
.page-news .news-index-pane .index-list__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}
.page-news .news-index-pane .index-list a {
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-text);
  text-decoration: none;
}
.page-news .news-index-pane .index-list a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.page-news .news-index-foot {
  margin: 0.875rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-soft);
}

/* ---------- 板块标题 ---------- */
.page-news .news-section {
  padding-bottom: 2.75rem;
  margin-bottom: 2.75rem;
  border-bottom: 1px solid var(--color-border);
}
.page-news .news-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}
.page-news .news-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--color-deep);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}
.page-news .news-section-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
}
.page-news .news-section-head h2 {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-deep);
  margin: 0;
}
.page-news .news-section-tag {
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  margin-left: auto;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
}
.page-news .news-section-more {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  line-height: 1;
}
.page-news .news-section-more:hover {
  color: var(--color-deep);
}

/* ---------- 卡片通用 ---------- */
.page-news .news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--news-card-shadow);
}
.page-news .news-card__media {
  overflow: hidden;
  background: var(--color-deep);
}
.page-news .news-card__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-news .news-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.5rem;
}
.page-news .news-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.625rem;
  margin-bottom: 0.875rem;
}
.page-news .news-card__time,
.page-news .news-card__idx {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-soft);
}
.page-news .news-card__idx {
  margin-left: auto;
}
.page-news .news-card__cat {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  line-height: 1;
  padding: 0.375rem 0.625rem;
  color: var(--color-white);
  background: var(--color-deep);
}
.page-news .news-card__cat--live {
  background: var(--color-accent);
}
.page-news .news-card__cat--help {
  background: var(--color-deep);
}
.page-news .news-card__cat--version {
  background: var(--color-gold);
  color: var(--color-deep);
}
.page-news .news-card__cat--industry {
  background: var(--color-navy);
  color: var(--color-white);
}
.page-news .news-card__body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--color-deep);
  margin: 0 0 0.75rem;
}
.page-news .news-card__body > p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-soft);
  margin: 0 0 0.875rem;
}

/* ---------- 展开摘要 ---------- */
.page-news .news-card__more {
  margin-top: auto;
  border-top: 1px dashed var(--color-border);
  padding-top: 0.625rem;
}
.page-news .news-card__more summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
}
.page-news .news-card__more summary::-webkit-details-marker {
  display: none;
}
.page-news .news-card__more summary::before {
  content: "＋";
  font-size: 0.875rem;
  line-height: 1;
}
.page-news .news-card__more[open] summary::before {
  content: "－";
}
.page-news .news-card__more > p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-soft);
  margin: 0.75rem 0 0;
}

/* ---------- 特色卡片 ---------- */
.page-news .news-card--feature {
  display: grid;
  grid-template-columns: 1fr;
}
.page-news .news-card--feature .news-card__media--hero img {
  aspect-ratio: 8 / 5;
  height: auto;
  width: 100%;
}
.page-news .news-card--feature .news-card__body {
  padding: 1.5rem;
}

/* ---------- 双卡行 ---------- */
.page-news .news-card-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.page-news .news-card--compact {
  height: 100%;
}

/* ---------- 帮助文档专题 ---------- */
.page-news .news-card-row--help {
  grid-template-columns: 1fr;
}
.page-news .news-card--medial {
  display: grid;
  grid-template-columns: 1fr;
}
.page-news .news-card--medial .news-card__media img {
  aspect-ratio: 3 / 2;
}
.page-news .news-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-news .news-card--line {
  border-left: 4px solid var(--color-gold);
  padding: 1.25rem 1.5rem;
}
.page-news .news-card--line .news-card__body {
  padding: 0;
}

/* ---------- 版本迭代 ---------- */
.page-news .news-card--version {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem 1.25rem;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.page-news .news-card--version:last-child {
  margin-bottom: 0;
}
.page-news .news-card--version .news-card__version-label {
  grid-row: span 2;
}
.page-news .news-version-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--color-deep);
  color: var(--color-white);
  padding: 0.375rem 0.5rem;
  line-height: 1.3;
  white-space: nowrap;
}
.page-news .news-version-status {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-soft);
  margin-top: 0.375rem;
}
.page-news .news-card--version .news-card__media {
  grid-column: 1 / -1;
  max-height: 200px;
}
.page-news .news-card--version .news-card__media img {
  aspect-ratio: 4 / 3;
  max-height: 200px;
  width: 100%;
  object-fit: cover;
}
.page-news .news-card--version .news-card__body {
  padding: 0;
}

/* ---------- 行业观察 ---------- */
.page-news .news-card-row--industry {
  grid-template-columns: 1fr;
}
.page-news .news-card--insight {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem;
  height: 100%;
}
.page-news .news-card--insight .news-card__quote {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.375rem;
  line-height: 1.35;
  color: var(--color-deep);
  border-top: 4px solid var(--color-gold);
  padding-top: 1rem;
  margin: 0;
}
.page-news .news-card--insight .news-card__body {
  padding: 0;
}
.page-news .news-card--insight .news-card__media img {
  aspect-ratio: 10 / 7;
}

/* ---------- 底部入口 ---------- */
.page-news .news-directory {
  background: var(--color-deep);
  color: var(--color-white);
  padding: 2rem;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-news .news-directory h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--color-white);
  margin: 0 0 0.5rem;
}
.page-news .news-directory p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
  max-width: 52ch;
}
.page-news .news-directory .btn--ghost {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}
.page-news .news-directory .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}
.page-news .news-directory__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 锚点偏移 ---------- */
.page-news .news-section,
.page-news [id^="post-"] {
  scroll-margin-top: 2rem;
}

/* ---------- 移动端索引横滑 ---------- */
@media (max-width: 991.98px) {
  .page-news .news-index-head {
    margin-bottom: 0.5rem;
  }
  .page-news .news-index-pane .index-list {
    flex-direction: row;
    overflow-x: auto;
    margin: 0.5rem -1.25rem -1.25rem;
    padding: 0.25rem 1.25rem 0.75rem;
    gap: 0.75rem;
    scrollbar-width: thin;
  }
  .page-news .news-index-pane .index-list li {
    border: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 0.375rem 0.625rem;
    white-space: nowrap;
    gap: 0.375rem;
    flex-shrink: 0;
  }
  .page-news .news-index-pane .index-list__num {
    display: none;
  }
  .page-news .news-index-foot {
    display: none;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px) {
  .page-news {
    padding-bottom: 3.5rem;
  }
  .page-news .news-masthead {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 3rem;
    align-items: end;
    padding: 2.75rem 0 3rem;
  }
  .page-news .news-masthead__stats {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-end;
  }
  .page-news .news-masthead__stat {
    display: flex;
    flex-direction: column-reverse;
  }
  .page-news .news-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
  .page-news .news-card-row {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .page-news .news-card--feature {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
  .page-news .news-card--feature .news-card__media--hero img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
  .page-news .news-card-row--help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-news .news-card--medial {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: stretch;
    height: 100%;
  }
  .page-news .news-card--medial .news-card__media img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
  .page-news .news-card--version {
    grid-template-columns: 96px minmax(0, 1fr) 220px;
    align-items: start;
  }
  .page-news .news-card--version .news-card__media {
    grid-column: auto;
    max-height: none;
  }
  .page-news .news-card--version .news-card__media img {
    aspect-ratio: 4 / 3;
    max-height: 220px;
  }
  .page-news .news-card-row--industry {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .page-news .news-card--insight:has(.news-card__media) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    grid-template-areas:
      "quote media"
      "body  media";
    gap: 1.25rem 2rem;
  }
  .page-news .news-card--insight:has(.news-card__media) .news-card__quote {
    grid-area: quote;
  }
  .page-news .news-card--insight:has(.news-card__media) .news-card__body {
    grid-area: body;
  }
  .page-news .news-card--insight:has(.news-card__media) .news-card__media {
    grid-area: media;
  }
  .page-news .news-directory {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 2.5rem 3rem;
  }
}

@media (min-width: 992px) {
  .page-news .news-editorial {
    grid-template-columns: var(--news-index-width) minmax(0, 1fr);
    align-items: start;
    gap: 3rem;
  }
  .page-news .news-index-pane {
    position: sticky;
    top: 1.5rem;
    margin-bottom: 0;
  }
  .page-news .news-section-head h2 {
    font-size: 1.75rem;
  }
}