.page-news {
  --news-rail-w: 210px;
  --news-gap: 28px;
  display: block;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(240, 178, 60, 0.08), transparent 62%),
    radial-gradient(900px 460px at 4% 8%, rgba(76, 141, 255, 0.09), transparent 60%),
    var(--c-void);
  color: var(--c-text);
  padding-bottom: 8px;
}

.page-news .news-body {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 首屏 */
.page-news .news-hero {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: end;
}

.page-news .news-hero__intro h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6.4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-news .news-hero__intro .lead {
  margin-top: 18px;
  max-width: 42ch;
  color: var(--c-muted);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-news .news-hero__intro .btn-row {
  margin-top: 24px;
}

.page-news .news-hero__media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-night);
  position: relative;
  overflow: hidden;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 主体双栏 */
.page-news .layout-rail {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-main {
  min-width: 0;
}

/* 左侧版本锚点 */
.page-news .news-rail {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(16, 26, 46, 0.72);
  padding: 18px 16px;
}

.page-news .news-rail__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.page-news .news-rail__link {
  color: var(--c-text);
  text-decoration: none;
  font-size: var(--fs-14);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-news .news-rail__versions {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  display: grid;
  gap: 10px;
}

.page-news .news-rail__ver {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  border-left: 3px solid;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-rail__ver:hover,
.page-news .news-rail__ver:focus-visible {
  transform: translateX(2px);
}

.page-news .news-rail__ver--sep {
  border-left-color: var(--c-amber);
  background: rgba(240, 178, 60, 0.1);
}

.page-news .news-rail__ver--aug {
  border-left-color: var(--c-cold);
  background: rgba(76, 141, 255, 0.1);
}

.page-news .news-rail__code {
  font-size: var(--fs-20);
  color: var(--c-text);
  letter-spacing: 0.02em;
}

.page-news .news-rail__meta {
  font-size: var(--fs-12);
  color: var(--c-muted);
}

/* 章节头 */
.page-news .section {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-news .section:first-child {
  margin-top: 0;
}

.page-news .chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-news .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  line-height: 0.86;
  font-weight: 400;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-line);
  letter-spacing: -0.04em;
}

.page-news .chapter-title {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-news .chapter-lede {
  margin: 10px 0 0;
  color: var(--c-muted);
  font-size: var(--fs-14);
  line-height: 1.75;
  max-width: 46ch;
}

/* 时间轨道 */
.page-news .news-track {
  margin-top: 26px;
  position: relative;
  padding: 16px 0 4px;
}

.page-news .track__rail {
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(
    90deg,
    var(--c-cold) 0%,
    var(--c-cold) 44%,
    var(--c-amber) 56%,
    var(--c-amber) 100%
  );
  opacity: 0.85;
}

.page-news .track__nodes {
  display: grid;
  gap: 4px;
  margin-top: 18px;
}

.page-news .track__node {
  display: grid;
  gap: 4px;
  padding: 14px 14px 14px 18px;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  background: rgba(11, 18, 32, 0.8);
  color: var(--c-text);
  text-decoration: none;
  position: relative;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .track__node:hover,
.page-news .track__node:focus-visible {
  transform: translateY(-2px);
}

.page-news .track__node--aug {
  border-left: 3px solid var(--c-cold);
}

.page-news .track__node--sep {
  border-left: 3px solid var(--c-amber);
}

.page-news .track__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(69, 224, 224, 0.14);
}

.page-news .track__label {
  font-size: var(--fs-14);
  font-weight: 700;
}

.page-news .track__meta {
  font-size: var(--fs-12);
  color: var(--c-muted);
}

/* 数字条 */
.page-news .news-stats {
  margin-top: 26px;
  display: grid;
  gap: 12px;
  border-top: 1px dashed var(--c-line);
  padding-top: 20px;
}

.page-news .news-stats__item {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--c-indigo);
}

.page-news .news-stats__num {
  font-size: var(--fs-28);
  color: var(--c-cyan);
  line-height: 1;
}

.page-news .news-stats__label {
  font-size: var(--fs-12);
  color: var(--c-muted);
}

/* 对照区 */
.page-news .news-compare__map {
  margin: 24px 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-night);
  overflow: hidden;
}

.page-news .news-compare__map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 320px;
}

.page-news .news-legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 12px;
}

.page-news .news-legend__bar {
  width: 3px;
  height: 16px;
  background: var(--c-cyan);
  border-radius: 2px;
}

.page-news .news-legend__text {
  font-size: var(--fs-12);
  color: var(--c-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-news .news-table-wrap {
  border: 1px solid var(--c-line);
  border-radius: 12px;
  background: rgba(16, 26, 46, 0.6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-news .news-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
  white-space: nowrap;
}

.page-news .news-table thead th.news-table__sep {
  color: var(--c-amber);
}

.page-news .news-table thead th.news-table__aug {
  color: var(--c-cold);
}

.page-news .news-table tbody th {
  text-align: left;
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
  white-space: nowrap;
}

.page-news .news-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
  line-height: 1.6;
}

.page-news .news-table tbody tr:last-child th,
.page-news .news-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .news-table td.news-table__sep {
  background: rgba(240, 178, 60, 0.07);
  color: var(--c-amber);
}

.page-news .news-table td.news-table__aug {
  background: rgba(76, 141, 255, 0.07);
  color: var(--c-cold);
}

.page-news .news-table .num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.01em;
}

.page-news .news-table tr.is-diff th[scope="row"] {
  border-left: 3px solid var(--c-cyan);
}

.page-news .news-table tr.is-same {
  opacity: 0.78;
}

.page-news .news-table__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  color: var(--c-muted);
  line-height: 1.7;
}

.page-news .news-inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 224, 224, 0.4);
}

.page-news .news-inline-link:hover,
.page-news .news-inline-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* 分类筛选 */
.page-news .news-filters {
  margin-top: 22px;
}

.page-news .news-filters__item {
  text-decoration: none;
  border: 1px solid var(--c-line);
  background: rgba(11, 18, 32, 0.85);
  color: var(--c-text);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-filters__item:hover,
.page-news .news-filters__item:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-news .news-entries__texture {
  margin: 22px 0 0;
  height: 96px;
  overflow: hidden;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-entries__texture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

/* 条目分组 */
.page-news .news-group {
  margin-top: 30px;
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-news .news-group__title {
  margin: 0 0 6px;
  font-size: var(--fs-14);
  font-weight: 700;
}

.page-news .news-entries {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-entry {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--c-line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-news .news-entry__num {
  font-size: var(--fs-14);
  color: var(--c-cyan);
  letter-spacing: 0.05em;
  padding-top: 3px;
}

.page-news .news-entry__title {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .news-entry__text {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 60ch;
}

.page-news .news-entry__meta {
  margin: 10px 0 0;
  font-size: var(--fs-12);
  color: var(--c-cold);
  letter-spacing: 0.04em;
}

.page-news .news-entry__figure {
  margin: 14px 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-night);
  overflow: hidden;
  max-width: 520px;
}

.page-news .news-entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 订阅与收藏 */
.page-news .news-subscribe {
  padding: clamp(20px, 3.4vw, 36px);
}

.page-news .news-subscribe__num {
  -webkit-text-stroke: 1px rgba(232, 238, 249, 0.34);
}

.page-news .panel__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-news .panel__title {
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  font-weight: 900;
  line-height: 1.28;
}

.page-news .news-subscribe__body {
  margin-top: 14px;
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-news .news-subscribe__body p {
  margin: 0;
  max-width: 62ch;
}

.page-news .news-subscribe__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-subscribe__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(7, 11, 20, 0.42);
  border: 1px solid rgba(69, 224, 224, 0.16);
}

.page-news .news-subscribe__code {
  color: var(--c-amber);
  font-size: var(--fs-14);
}

.page-news .news-subscribe__body .btn-row {
  margin-top: 20px;
}

.page-news .news-subscribe__note {
  margin-top: 16px;
  font-size: var(--fs-12);
  color: rgba(232, 238, 249, 0.72);
}

.page-news .news-subscribe__note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 224, 224, 0.4);
}

/* 焦点与响应式 */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (min-width: 640px) {
  .page-news .news-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .track__nodes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-news .news-entry {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .news-entry__num {
    font-size: var(--fs-20);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
  }

  .page-news .layout-rail {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 22px 18px;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 10px;
  }

  .page-news .track__nodes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-compare__map img {
    max-height: 380px;
  }
}

@media (min-width: 1120px) {
  .page-news {
    --news-rail-w: 246px;
  }

  .page-news .news-entries__texture {
    height: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .track__node,
  .page-news .news-rail__ver,
  .page-news .news-rail__link,
  .page-news .news-filters__item {
    transition: none;
  }

  .page-news .track__node:hover,
  .page-news .news-rail__ver:hover {
    transform: none;
  }
}
<<<END>>>