.page-news {
  --news-gap: 20px;
  --news-toc-w: 244px;
  --news-shadow: rgba(53, 240, 208, 0.06);
  position: relative;
  display: block;
  padding-bottom: 72px;
  background:
    radial-gradient(120% 320px at 12% 0%, rgba(53, 240, 208, 0.10), transparent 70%),
    linear-gradient(180deg, rgba(14, 42, 36, 0.55), transparent 420px);
}

.page-news__intro {
  padding: 26px 0 8px;
}

.page-news .page-head__title {
  max-width: 20em;
}

.page-news .page-head__lead {
  max-width: 62ch;
  color: var(--muted);
}

.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
  align-items: start;
}

/* 侧边目录 */
.page-news__toc {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
  padding: 18px 16px;
  min-width: 0;
}

.page-news__toc-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news__toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-news__toc-item {
  min-width: 0;
}

.page-news__toc-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 2px 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--bright);
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news__toc-num {
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-news__toc-label {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.page-news__toc-tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news__toc-link:hover,
.page-news__toc-link:focus-visible {
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
  outline: none;
}

.page-news__toc-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news__toc-line {
  margin: 0 0 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news__toc-line .num {
  color: var(--bright);
}

/* 条目流 */
.page-news__stream {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-news__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news__lead {
  display: grid;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(53, 240, 208, 0.10), rgba(14, 42, 36, 0.9) 55%);
  min-width: 0;
}

.page-news__lead-title {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--bright);
}

.page-news__lead-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--muted);
}

.page-news__stats .num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  margin-right: 4px;
}

.page-news__meta {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news__lead-media {
  margin: 0;
}

.page-news__lead-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* 章节 */
.page-news__section {
  padding-top: 4px;
}

.page-news__section-media {
  margin: 18px 0 22px;
}

.page-news__section-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-news__section-media--mid img {
  aspect-ratio: 12 / 7;
}

.page-news__section-media figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news__group + .page-news__group {
  margin-top: 22px;
}

.page-news__group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--bright);
}

.page-news__entries {
  display: grid;
  gap: 12px;
}

.page-news__entry {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-md);
  background: var(--ink-800);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news__entry:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news__idx {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.2;
}

.page-news__entry-body {
  min-width: 0;
}

.page-news__entry-title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--bright);
}

.page-news__entry-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news__entry-data {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* 专题带 */
.page-news__band {
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: 28px;
  border: 1px solid rgba(255, 122, 61, 0.28);
  background: linear-gradient(135deg, rgba(255, 122, 61, 0.16), rgba(14, 42, 36, 0.94) 60%);
  min-width: 0;
}

.page-news__band-title {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--bright);
}

.page-news__band-text-p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news__band-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-news__band-media {
  margin: 0;
}

.page-news__band-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--r-md);
}

/* 版本记录 */
.page-news__versions {
  display: grid;
  gap: 10px;
  counter-reset: ver;
}

.page-news__version {
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(44, 74, 94, 0.22);
}

.page-news__ver {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-news__version-title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--bright);
}

.page-news__version-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 专题合集 */
.page-news__topics {
  display: grid;
  gap: 12px;
}

.page-news__topic {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
  transition: border-color 180ms var(--ease);
}

.page-news__topic:hover {
  border-color: var(--cyan);
}

.page-news__topic-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 6px;
}

.page-news__topic-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--bright);
}

.page-news__topic-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 阅读路径 */
.page-news__paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news__path {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news__path-tag {
  margin: 0;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--pill);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-news__path .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news__path .card__meta {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-news__path .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* 更新节奏 */
.page-news__follow-body {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-news__follow-text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 68ch;
}

.page-news__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-news__tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(53, 240, 208, 0.06);
  color: var(--bright);
  font-size: 13px;
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news__tag:hover,
.page-news__tag:focus-visible {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  outline: none;
}

.page-news__follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 返回顶部 */
.page-news__top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 40;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

@media (min-width: 720px) {
  .page-news__paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news__layout {
    grid-template-columns: var(--news-toc-w) minmax(0, 1fr);
    gap: 40px;
  }

  .page-news__toc {
    position: sticky;
    top: calc(var(--top-h) + 20px);
  }

  .page-news__lead {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    padding: 26px;
  }

  .page-news__lead-title {
    font-size: 32px;
  }

  .page-news__band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    padding: 28px;
  }

  .page-news__paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news__top {
    right: 28px;
    bottom: 28px;
  }
}

@media (min-width: 1200px) {
  .page-news__layout {
    gap: 56px;
  }

  .page-news__lead-title {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__entry,
  .page-news__tag,
  .page-news__toc-link,
  .page-news__topic {
    transition: none;
  }

  .page-news__entry:hover {
    transform: none;
  }
}
<<<END>>>