.page-news {
  --news-ink-soft: #C7D0EF;
  --news-sticky: 24px;
  color: var(--white);
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 26px 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.page-news .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 24px 20px 26px;
  margin-bottom: 18px;
  background:
    linear-gradient(180deg, rgba(44, 242, 224, .07), rgba(44, 242, 224, 0) 62%),
    var(--panel);
}
.page-news .news-hero h1 {
  margin: 10px 0 16px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(30px, 7.6vw, 58px);
  line-height: 1.03;
  letter-spacing: -.025em;
  color: var(--white);
}
.page-news .news-hero__lede {
  margin: 0 0 22px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--news-ink-soft);
}
.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
}
.page-news .news-fact {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 12px 14px;
  background: var(--ink);
}
.page-news .news-fact .meta-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .news-fact .meta-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* ---------- 图片基础 ---------- */
.page-news .media-frame {
  margin: 0;
  overflow: hidden;
}
.page-news .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-shot {
  aspect-ratio: 16 / 9;
  margin-bottom: 22px;
}
.page-news .news-shot img {
  height: 100%;
}

/* ---------- 置顶条目 ---------- */
.page-news .news-pinned {
  position: relative;
  padding: 24px 20px 26px;
  margin-bottom: 38px;
  background: linear-gradient(90deg, rgba(255, 106, 26, .12), rgba(20, 27, 68, .92) 46%);
}
.page-news .news-pinned::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
}
.page-news .news-pinned__title {
  margin: 8px 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.35;
  color: var(--white);
}
.page-news .news-pinned__text {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-ink-soft);
}
.page-news .news-pinned__points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-news .news-pinned__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-ink-soft);
}
.page-news .news-pinned__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 三栏骨架 ---------- */
.page-news .news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}
.page-news .news-stream {
  min-width: 0;
}

.page-news .news-rail--left { order: 3; }
.page-news .news-stream { order: 1; }
.page-news .news-rail--right { order: 2; }

.page-news .rail-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--orange);
}

/* 左侧目录 */
.page-news .news-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .news-toc li {
  border-bottom: 1px solid var(--line);
}
.page-news .news-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 4px 11px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease;
}
.page-news .news-toc a:hover {
  color: var(--cyan);
  border-left-color: var(--cyan);
}
.page-news .news-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--orange);
}

/* 右侧窄栏 */
.page-news .version-block {
  padding: 16px 14px 18px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-news .version-block .rail-title {
  border-bottom: 0;
  margin-bottom: 6px;
  padding-bottom: 0;
}
.page-news .version-block__value {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--cyan);
}
.page-news .version-block__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
.page-news .rail-panel {
  padding: 16px 14px 14px;
  margin-bottom: 16px;
}
.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .rail-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted);
}
.page-news .rail-list li:last-child {
  border-bottom: 0;
}
.page-news .rail-list .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--white);
}
.page-news .rail-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .rail-links li + li {
  border-top: 1px solid var(--line-soft);
}
.page-news .rail-links a {
  display: block;
  padding: 9px 0;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .15s ease, padding-left .15s ease;
}
.page-news .rail-links a:hover {
  color: var(--cyan);
  padding-left: 4px;
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  margin-bottom: 46px;
}
.page-news .news-section:last-child {
  margin-bottom: 0;
}
.page-news .section-head {
  margin-bottom: 20px;
}

/* ---------- 标签栏 ---------- */
.page-news .tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}
.page-news .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .02em;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}
.page-news .tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-news .tag .num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}
.page-news .tag--active {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
}
.page-news .tag--active .num {
  color: var(--ink);
}
.page-news .tag--sm {
  padding: 3px 9px;
  font-size: 12px;
  border-color: var(--line-soft);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 12px;
  padding: 18px 0 20px 16px;
  border-bottom: 1px solid var(--line);
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 20px;
  width: 2px;
  background: var(--line);
  transition: background-color .15s ease;
}
.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  background: var(--cyan);
}
.page-news .news-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-news .news-item__body {
  min-width: 0;
}
.page-news .news-item__title {
  margin: 0 0 7px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.52;
  color: var(--white);
}
.page-news .news-item__excerpt {
  margin: 0 0 11px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}
.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 流程与版本节点 ---------- */
.page-news .node-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.page-news .node-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-news .node-card .media-frame {
  aspect-ratio: 4 / 3;
  border: 0;
  border-bottom: 1px solid var(--line);
}
.page-news .node-card .media-frame img {
  height: 100%;
}
.page-news .node-card__body {
  padding: 16px 16px 20px;
}
.page-news .node-card h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-news .node-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

/* ---------- 专题系列 ---------- */
.page-news .series-block {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28, 36, 80, .92), rgba(10, 14, 39, .92));
}
.page-news .series-block .section-head {
  padding: 20px 20px 0;
  margin-bottom: 18px;
}
.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.page-news .series-grid__figure {
  aspect-ratio: 3 / 2;
  border: 0;
  border-bottom: 1px solid var(--line);
}
.page-news .series-grid__figure img {
  height: 100%;
}
.page-news .series-grid__figure .media-frame__caption {
  font-family: var(--font-mono);
}
.page-news .series-body {
  padding: 20px 20px 24px;
}
.page-news .series-body > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-ink-soft);
}
.page-news .series-points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}
.page-news .series-points li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-ink-soft);
}
.page-news .series-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

/* ---------- 回溯与追问 ---------- */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-news .archive-card {
  padding: 20px 18px 22px;
}
.page-news .archive-card h3 {
  margin: 8px 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}
.page-news .archive-card p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--news-ink-soft);
}
.page-news .archive-card__note {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 12px !important;
  line-height: 1.7 !important;
  color: var(--muted) !important;
}
.page-news .archive-card .index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}
.page-news .archive-card .index-list__item {
  border-bottom: 1px solid var(--line-soft);
}
.page-news .archive-card .index-list__item a {
  display: block;
  padding: 10px 0;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .15s ease, padding-left .15s ease;
}
.page-news .archive-card .index-list__item a:hover {
  color: var(--cyan);
  padding-left: 5px;
}

/* ---------- 字段衔接 ---------- */
.page-news .bridge-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .bridge-list li {
  border-bottom: 1px solid var(--line);
}
.page-news .bridge-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 2px;
  color: var(--white);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: color .15s ease, padding-left .15s ease;
}
.page-news .bridge-list a:hover {
  color: var(--cyan);
  padding-left: 6px;
}
.page-news .bridge-list__src {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 599px) {
  .page-news .news-hero {
    padding: 20px 16px 22px;
  }
  .page-news .news-pinned {
    padding: 20px 16px 22px;
  }
  .page-news .news-item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 6px;
    padding-left: 14px;
  }
  .page-news .news-item::before {
    top: 20px;
    bottom: 22px;
  }
  .page-news .news-item__title {
    font-size: 16px;
  }
  .page-news .news-item__excerpt {
    font-size: 14px;
  }
  .page-news .series-block .section-head,
  .page-news .series-body {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ---------- 桌面骨架 ---------- */
@media (min-width: 900px) {
  .page-news .news-grid {
    grid-template-columns: 186px minmax(0, 1fr) 206px;
    gap: 32px;
    align-items: start;
  }
  .page-news .news-rail--left,
  .page-news .news-rail--right {
    position: sticky;
    top: var(--news-sticky);
  }
  .page-news .news-rail--left,
  .page-news .news-rail--right,
  .page-news .news-stream {
    order: 0;
  }
  .page-news .news-hero {
    padding: 34px 32px 34px;
  }
  .page-news .news-pinned {
    padding: 30px 30px 32px;
  }
  .page-news .news-item {
    grid-template-columns: 46px minmax(0, 1fr);
    column-gap: 18px;
    padding: 20px 0 22px 20px;
  }
  .page-news .news-item::before {
    top: 20px;
    bottom: 22px;
  }
  .page-news .node-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .page-news .series-grid {
    grid-template-columns: 1.02fr .98fr;
  }
  .page-news .series-grid__figure {
    aspect-ratio: auto;
    min-height: 100%;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }
  .page-news .series-body {
    padding: 26px 26px 28px;
  }
  .page-news .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .news-grid {
    grid-template-columns: 208px minmax(0, 1fr) 236px;
    gap: 42px;
  }
  .page-news .news-hero h1 {
    max-width: 16ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .tag,
  .page-news .rail-links a,
  .page-news .bridge-list a,
  .page-news .archive-card .index-list__item a {
    transition: none;
  }
}