.page-news {
  background: var(--ice-deep);
  color: var(--ice-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 88px;
  overflow-x: clip;
}

.page-news .news-crumbs {
  padding-top: 26px;
}

.page-news .news-head {
  padding: 22px 0 34px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: 0.005em;
  color: var(--ice-white);
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-news .news-head__lede {
  max-width: 62ch;
  color: var(--ice-blue);
  font-size: clamp(1rem, 2.4vw, 1.0625rem);
  margin: 0;
}

/* 当前版本数据条 */
.page-news .news-release {
  margin-top: 26px;
}

.page-news .news-release__bar {
  position: relative;
  display: grid;
  gap: 20px;
  padding: 24px 20px 22px;
  background:
    linear-gradient(118deg, var(--ice-night) 0%, var(--indigo) 130%);
  border: 1px solid var(--line-gold);
}

.page-news .news-release__bar::before,
.page-news .news-release__bar::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--brand-gold);
}

.page-news .news-release__bar::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-news .news-release__bar::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-news .news-release__stamp {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-news .news-release__stamp strong {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--gold-bright);
  line-height: 1;
}

.page-news .news-release__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0;
}

.page-news .news-release__stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
  opacity: 0.8;
}

.page-news .news-release__stats dd {
  margin: 3px 0 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--ice-white);
}

/* 两栏目录 */
.page-news .news-catalog {
  display: grid;
  gap: 40px;
  margin-top: 44px;
}

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

.page-news .news-filter__group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-news .news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.page-news .news-filter__group label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
  background: rgba(14, 42, 63, 0.6);
  border: 1px solid var(--line-mid);
  cursor: pointer;
  transition: color 160ms var(--ease), background 160ms var(--ease),
    border-color 160ms var(--ease);
}

.page-news .news-filter__group label:hover {
  color: var(--ice-white);
  border-color: var(--brand-gold);
}

.page-news .news-filter__group input:checked + label {
  color: var(--ice-deep);
  background: var(--gold-bright);
  border-color: var(--gold-bright);
}

.page-news .news-filter__group input:focus-visible + label {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-news .news-rail__toc {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-rail__toc ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-rail__toc a {
  display: block;
  padding: 10px 0 10px 14px;
  color: var(--ice-blue);
  text-decoration: none;
  font-size: 0.9375rem;
  border-left: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-news .news-rail__toc a:hover {
  color: var(--ice-white);
  border-left-color: var(--brand-gold);
}

.page-news .news-rail__toc a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  color: var(--ice-white);
}

.page-news .news-rail__toc a.is-current {
  color: var(--gold-bright);
  border-left-color: var(--gold-bright);
}

/* 分类筛选：选中后隐藏其他条目 */
.page-news .news-catalog:has(#cat-version:checked) .news-entry:not([data-cat="version"]),
.page-news .news-catalog:has(#cat-data:checked) .news-entry:not([data-cat="data"]),
.page-news .news-catalog:has(#cat-guide:checked) .news-entry:not([data-cat="guide"]),
.page-news .news-catalog:has(#cat-special:checked) .news-entry:not([data-cat="special"]) {
  display: none;
}

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

.page-news .news-block + .news-block {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-block__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.18;
  color: var(--ice-white);
  margin: 12px 0 8px;
}

.page-news .news-block__sub {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  color: var(--ice-blue);
}

/* 更新头条 */
.page-news .news-feature {
  display: grid;
  gap: 20px;
  margin-top: 26px;
  padding: 18px;
  background: linear-gradient(150deg, rgba(14, 42, 63, 0.95), rgba(43, 37, 96, 0.55));
  border: 1px solid var(--line-mid);
}

.page-news .news-feature__media {
  margin: 0;
}

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

.page-news .news-feature__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  line-height: 1.25;
  margin: 12px 0 10px;
  color: var(--ice-white);
}

.page-news .news-feature__body p {
  margin: 0 0 14px;
  color: var(--ice-blue);
  font-size: 0.9688rem;
}

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

.page-news .news-feature__points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9375rem;
  color: var(--ice-blue);
}

.page-news .news-feature__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 1px;
  background: var(--brand-gold);
}

.page-news .news-feature__points strong {
  color: var(--gold-bright);
  font-weight: 600;
}

/* 版本迭代列表 */
.page-news .news-list {
  position: relative;
  margin-top: 26px;
  padding-left: 26px;
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-soft);
}

.page-news .news-entry {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-entry:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--ice-deep);
  border: 1px solid var(--brand-gold);
  transform: rotate(45deg);
  transition: background 180ms var(--ease);
}

.page-news .news-entry::after {
  content: "";
  position: absolute;
  left: -26px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--brand-gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 200ms var(--ease);
}

.page-news .news-entry:hover::after,
.page-news .news-entry[open]::after {
  transform: scaleY(1);
}

.page-news .news-entry:hover::before,
.page-news .news-entry[open]::before {
  background: var(--brand-gold);
}

.page-news .news-entry__summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  align-items: baseline;
  min-height: 44px;
  padding: 16px 4px 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-news .news-entry__summary::-webkit-details-marker {
  display: none;
}

.page-news .news-entry__summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-news .news-entry__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-news .news-entry__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--data-slate);
  white-space: nowrap;
}

.page-news .news-entry__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ice-white);
  line-height: 1.5;
  transition: color 160ms var(--ease);
}

.page-news .news-entry:hover .news-entry__title {
  color: var(--gold-bright);
}

.page-news .news-entry__body {
  padding: 0 0 20px;
  max-width: 66ch;
  color: var(--ice-blue);
  font-size: 0.9375rem;
}

.page-news .news-entry__body p {
  margin: 0;
}

/* 数据观察 */
.page-news .news-observe {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-news .observe-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: var(--ice-night);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--brand-gold);
}

.page-news .observe-card--lead {
  background: linear-gradient(160deg, rgba(43, 37, 96, 0.55), rgba(14, 42, 63, 0.95));
}

.page-news .observe-card__media {
  margin: 0;
}

.page-news .observe-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0;
  color: var(--ice-white);
}

.page-news .observe-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ice-blue);
}

.page-news .observe-card__foot {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--data-slate);
  margin-top: auto;
}

.page-news .observe-chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 54px;
  padding-top: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .observe-chart__bar {
  flex: 1;
  height: var(--h, 40%);
  min-height: 4px;
  background: linear-gradient(180deg, var(--gold-bright), rgba(217, 164, 65, 0.2));
}

.page-news .observe-chart--line .observe-chart__bar {
  background: linear-gradient(180deg, var(--mint), rgba(45, 226, 185, 0.15));
}

.page-news .observe-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.page-news .observe-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
  padding-bottom: 8px;
}

.page-news .observe-table th,
.page-news .observe-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .observe-table th {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--data-slate);
  width: 46%;
}

.page-news .observe-table td {
  color: var(--ice-white);
  font-weight: 600;
}

/* 专题系列 */
.page-news .series-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: rgba(14, 42, 63, 0.72);
  border: 1px solid var(--line-soft);
}

.page-news .series-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-bright);
}

.page-news .series-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0;
  color: var(--ice-white);
}

.page-news .series-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ice-blue);
}

.page-news .series-card__meta {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--data-slate);
}

.page-news .series-card__media {
  margin: 0 0 6px;
  order: -1;
}

/* 开始使用 */
.page-news .news-start {
  padding: 28px 20px;
  background: linear-gradient(120deg, rgba(43, 37, 96, 0.6), rgba(7, 26, 43, 0.9));
  border: 1px solid var(--line-gold);
}

.page-news .news-start__grid {
  display: grid;
  gap: 22px;
  margin-top: 14px;
}

.page-news .news-start h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  line-height: 1.22;
  margin: 0 0 10px;
  color: var(--ice-white);
}

.page-news .news-start__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  color: var(--ice-blue);
}

.page-news .news-start__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: flex-start;
}

.page-news .news-start__mail {
  flex: 1 0 100%;
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: var(--ice-blue);
}

.page-news .news-start__mail a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.5);
}

.page-news .news-start__mail a:hover {
  border-bottom-color: var(--gold-bright);
}

.page-news .news-start__mail a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-news .news-release__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-release__bar {
    padding: 26px 28px 24px;
  }

  .page-news .news-entry__summary {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
  }

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

  .page-news .news-start {
    padding: 34px 30px;
  }
}

@media (min-width: 900px) {
  .page-news .news-observe {
    grid-template-columns: 1.3fr 1fr 1fr;
    align-items: stretch;
  }

  .page-news .news-start__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 980px) {
  .page-news .news-catalog {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 92px;
  }

  .page-news .news-feature {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding: 22px;
  }

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

@media (min-width: 1180px) {
  .page-news .news-head__title {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry::after,
  .page-news .news-entry::before,
  .page-news .news-filter__group label,
  .page-news .news-rail__toc a,
  .page-news .news-entry__title {
    transition: none;
  }
}
<<<END>>>

.page-news {
  --h: 1rem;
}