.page-news {
  --n-sticky-top: 112px;
  --n-gap: clamp(24px, 3.4vw, 44px);
  background: var(--ink);
  color: var(--bone);
  padding-top: clamp(24px, 4vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-bottom: clamp(32px, 5vw, 60px);
}

.page-news .news-eyebrow {
  margin: clamp(18px, 3vw, 30px) 0 14px;
  color: var(--lime-dim);
}

.page-news .news-title {
  margin: 0 0 20px;
  max-width: 16em;
  color: var(--bone);
}

.page-news .news-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .hero-figure {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 17, 13, 0.12), rgba(7, 17, 13, 0.55));
  pointer-events: none;
}

.page-news .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: clamp(200px, 30vw, 400px);
  object-fit: cover;
  filter: saturate(0.72) brightness(0.82);
}

/* ---------- 三栏正文 ---------- */
.page-news .news-body {
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--n-gap);
  align-items: start;
}

/* 左栏：页内索引 */
.page-news .news-rail {
  min-width: 0;
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .rail-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .rail-list li {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  color: var(--bone);
  font-size: 14px;
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--lime);
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

.page-news .rail-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime-dim);
  font-variant-numeric: tabular-nums;
}

.page-news .rail-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 中栏：条目流 */
.page-news .news-stream {
  min-width: 0;
}

.page-news .stream-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .stream-title {
  margin: 0 0 8px;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  color: var(--bone);
}

.page-news .stream-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 180ms var(--ease);
}

.page-news .entry-marker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 2px;
}

.page-news .entry-round {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
  transition: color 180ms var(--ease);
}

.page-news .entry-round-unit {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
  opacity: 0.75;
}

.page-news .entry:hover .entry-round,
.page-news .entry:focus-within .entry-round {
  color: var(--lime);
}

.page-news .entry:hover .entry-summary,
.page-news .entry:focus-within .entry-summary {
  color: var(--white);
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .entry-when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .entry-summary {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.72;
  color: var(--bone);
  transition: color 180ms var(--ease);
}

/* 标签 */
.page-news .n-tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .n-tag--schedule {
  color: var(--lime);
  border-color: rgba(127, 162, 47, 0.7);
  background: var(--lime-wash);
}

.page-news .n-tag--version {
  color: var(--ember);
  border-color: rgba(233, 138, 60, 0.55);
  background: var(--ember-wash);
}

.page-news .n-tag--column {
  color: var(--bone);
  border-color: var(--line-soft);
  background: var(--moss-wash);
}

/* 展开 */
.page-news .entry-more {
  margin-top: 10px;
}

.page-news .entry-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  padding: 2px 0;
  font-size: 13px;
  color: var(--lime-dim);
  transition: color 160ms var(--ease);
}

.page-news .entry-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-more > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-news .entry-more[open] > summary::after {
  content: "－";
}

.page-news .entry-more > summary:hover,
.page-news .entry-more > summary:focus-visible {
  color: var(--lime);
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

.page-news .entry-detail {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--lime-dim);
}

.page-news .entry-detail p {
  margin: 0 0 10px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .entry-detail .link-arrow {
  display: inline-block;
  margin-top: 2px;
  font-size: 13px;
}

/* 流内插图 */
.page-news .stream-figure {
  margin: 0;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .stream-figure img {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  filter: saturate(0.6) brightness(0.85);
}

.page-news .stream-figure figcaption {
  margin-top: 10px;
  max-width: 32em;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* 右栏：标签说明 */
.page-news .news-aside {
  min-width: 0;
}

.page-news .aside-panel {
  padding: 20px;
  border: 1px solid var(--line-soft);
  background: var(--pitch);
}

.page-news .aside-title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--bone);
}

.page-news .aside-item {
  margin-bottom: 16px;
}

.page-news .aside-item p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .aside-foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--lime-dim);
}

/* ---------- 版本迭代记录 ---------- */
.page-news .news-versions {
  padding-top: clamp(44px, 6vw, 80px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-news .versions-title {
  margin: 12px 0 16px;
  color: var(--bone);
}

.page-news .versions-intro {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .version-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  filter: saturate(0.68) brightness(0.84);
}

.page-news .ver-table-wrap {
  margin-top: clamp(24px, 3.4vw, 36px);
  overflow-x: auto;
  border-top: 1px solid var(--line);
}

.page-news .ver-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.65;
}

.page-news .ver-table th {
  padding: 14px 20px 14px 0;
  text-align: left;
  vertical-align: bottom;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-news .ver-table td {
  padding: 16px 20px 16px 0;
  vertical-align: top;
  color: var(--mist);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 160ms var(--ease);
}

.page-news .ver-table tbody tr:hover td {
  background: var(--lime-wash);
}

.page-news .ver-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--bone);
  white-space: nowrap;
}

.page-news .ver-state {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lime);
  white-space: nowrap;
}

.page-news .ver-state--soft {
  color: var(--ember);
}

/* ---------- 怎么往回找 ---------- */
.page-news .news-archive {
  padding-top: clamp(44px, 6vw, 80px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-news .archive-heading {
  margin: 12px 0 clamp(24px, 3.4vw, 40px);
  color: var(--bone);
}

.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .archive-item {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-news .archive-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--lime-dim);
  font-variant-numeric: tabular-nums;
}

.page-news .archive-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-news .archive-item .body-copy {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .archive-note {
  margin-top: clamp(30px, 4vw, 48px);
  padding: 20px 22px;
  border-left: 2px solid var(--ember);
  background: var(--moss-wash);
}

.page-news .archive-note .note-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-news .archive-note .note-text {
  margin: 0;
  max-width: 40em;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  color: var(--bone);
}

/* ---------- 页尾氛围图 ---------- */
.page-news .news-closing {
  margin: 0;
  border-top: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-closing img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  filter: saturate(0.62) brightness(0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .entry {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 24px;
    padding: 30px 0;
  }

  .page-news .entry-round {
    font-size: 34px;
  }

  .page-news .archive-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: 180px minmax(0, 1fr) 252px;
    gap: var(--n-gap);
  }

  .page-news .news-aside {
    position: sticky;
    top: var(--n-sticky-top);
  }

  .page-news .stream-figure {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 20px;
    align-items: end;
  }

  .page-news .stream-figure figcaption {
    margin-top: 0;
    padding-bottom: 4px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-lede,
  .page-news .entry-summary,
  .page-news .entry-detail p {
    max-width: 36em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-list a,
  .page-news .entry-round,
  .page-news .entry-summary,
  .page-news .entry-more > summary,
  .page-news .ver-table td,
  .page-news .entry {
    transition: none;
  }
}