.page-news {
  --news-batch-w: 44px;
  padding-bottom: 64px;
}

.page-news .news-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .crumbs-item + .crumbs-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-news .crumbs-item a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-news .crumbs-item a:hover,
.page-news .crumbs-item a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-news .crumbs-item [aria-current="page"] {
  color: var(--text);
}

/* ---------- 通用排版 ---------- */
.page-news h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text);
}

.page-news .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--violet);
}

.page-news .lede {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-when {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

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

.page-news figure.media {
  margin: 0;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.16), rgba(255, 122, 41, 0.14));
  overflow: hidden;
}

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

/* ---------- P.01 索引头 ---------- */
.page-news .news-board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.page-news .news-board-media {
  width: 100%;
}

.page-news .news-kpi {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .news-kpi-cell {
  flex: 1 1 120px;
  min-width: 100px;
  padding-right: 18px;
  margin-right: 18px;
  border-right: 1px solid var(--line);
}

.page-news .news-kpi-cell:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

.page-news .news-kpi dt {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .news-kpi dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

/* ---------- P.02 条目流 ---------- */
.page-news .news-main-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.page-news .news-scale {
  display: flex;
  align-items: flex-end;
  gap: 3%;
  height: 28px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-scale span {
  flex: 1 1 0;
  min-width: 0;
  height: 5px;
  background: var(--line);
  transition: background-color 120ms var(--ease);
}

.page-news .news-scale span.on {
  height: 17px;
  background: var(--signal);
}

.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-news .news-filter-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-news .news-filter-btn {
  flex: 0 0 auto;
  appearance: none;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: color 120ms var(--ease), border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-news .news-filter-btn:hover {
  color: var(--text);
  border-color: var(--signal);
}

.page-news .news-filter-btn[aria-pressed="true"] {
  color: #101820;
  font-weight: 700;
  background: var(--haze);
  border-color: var(--signal);
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: var(--news-batch-w) minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  min-height: 116px;
  border-top: 1px solid var(--line);
  transition: border-color 120ms var(--ease);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-item:hover,
.page-news .news-item:focus-visible {
  border-top-color: var(--signal);
}

.page-news .news-batch {
  position: relative;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 120ms var(--ease);
}

.page-news .news-batch::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--line);
  transition: background-color 120ms var(--ease);
}

.page-news .news-item:hover .news-batch,
.page-news .news-item:focus-visible .news-batch {
  color: var(--signal);
}

.page-news .news-item:hover .news-batch::before,
.page-news .news-item:focus-visible .news-batch::before {
  background: var(--signal);
}

.page-news .news-item-body {
  min-width: 0;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-news .news-item[data-filter="版本迭代"] .news-tag {
  color: var(--violet);
  border-color: var(--violet);
}

.page-news .news-item[data-filter="专题"] .news-tag {
  color: var(--signal);
  border-color: var(--signal);
}

.page-news .news-item[data-filter="可用性"] .news-tag {
  color: var(--teal);
  border-color: var(--teal);
}

.page-news .news-item[data-filter="合作"] .news-tag {
  color: var(--haze);
  border-color: var(--haze);
}

.page-news .news-sum {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .news-more {
  max-height: 0;
  margin: 0;
  padding-top: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  opacity: 0;
  transition: max-height 180ms var(--ease), opacity 180ms var(--ease), padding-top 180ms var(--ease);
}

.page-news .news-item:hover .news-more,
.page-news .news-item:focus-visible .news-more,
.page-news .news-item:focus-within .news-more {
  max-height: 90px;
  padding-top: 8px;
  opacity: 1;
}

/* ---------- P.03 版本线 ---------- */
.page-news .news-ver-media {
  width: 100%;
  margin-top: 24px;
}

.page-news .news-ver-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-ver-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: border-color 120ms var(--ease);
}

.page-news .news-ver-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-ver-row:hover {
  border-top-color: var(--signal);
}

.page-news .news-ver-code {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--violet);
  transition: color 120ms var(--ease);
}

.page-news .news-ver-row:hover .news-ver-code {
  color: var(--signal);
}

.page-news .news-ver-body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-ver-row .news-when {
  grid-column: 2;
}

.page-news .news-ver-foot {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-ver-foot a,
.page-news .news-cadence-foot a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 41, 0.42);
  transition: border-color 120ms var(--ease);
}

.page-news .news-ver-foot a:hover,
.page-news .news-cadence-foot a:hover {
  border-bottom-color: var(--signal);
}

/* ---------- P.04 专题索引 ---------- */
.page-news .news-feature-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.page-news .news-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.page-news .news-feature-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background: rgba(255, 122, 41, 0.04);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease);
}

.page-news .news-feature-card:hover,
.page-news .news-feature-card:focus-visible {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-news .news-feature-card figure.media {
  border: 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-feature-body {
  padding: 18px 18px 20px;
}

.page-news .news-feature-body .news-tag {
  color: var(--signal);
  border-color: var(--signal);
}

.page-news .news-feature-body h3 {
  margin-top: 12px;
}

.page-news .news-feature-body p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-feature-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-feature-card:hover .news-feature-meta,
.page-news .news-feature-card:focus-visible .news-feature-meta {
  color: var(--signal);
}

/* ---------- P.05 更新节奏（纸面） ---------- */
.page-news .news-cadence {
  color: #101820;
}

.page-news .news-cadence h2,
.page-news .news-cadence h3,
.page-news .news-cadence p,
.page-news .news-cadence li,
.page-news .news-cadence span {
  color: #101820;
}

.page-news .news-cadence .panel-num {
  color: var(--signal);
}

.page-news .news-cadence > p {
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-cadence-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(16, 24, 32, 0.28);
}

.page-news .news-cadence-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  font-size: 14px;
  line-height: 1.75;
  border-bottom: 1px solid rgba(16, 24, 32, 0.28);
}

.page-news .news-cadence-key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #b8430f;
}

.page-news .news-cadence-foot {
  margin: 24px 0 0;
  max-width: 46em;
  font-size: 13px;
  line-height: 1.8;
  color: #2c3a48;
}

.page-news .news-cadence-foot a {
  color: #b8430f;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 67, 15, 0.42);
  transition: border-color 120ms var(--ease);
}

.page-news .news-cadence-foot a:hover {
  border-bottom-color: #b8430f;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news h1 {
    font-size: 40px;
    line-height: 1.18;
  }

  .page-news h2 {
    font-size: 26px;
  }

  .page-news .news-board-grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-news .news-main-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .page-news .news-main-head .news-note {
    max-width: 300px;
    text-align: right;
  }

  .page-news .news-feature-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .page-news .news-feature-head .news-note {
    max-width: 300px;
    text-align: right;
  }

  .page-news .news-shell {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: calc(var(--topbar) + 24px);
  }

  .page-news .news-filter-list {
    flex-direction: column;
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-filter-btn {
    width: 100%;
    text-align: left;
  }

  .page-news .news-ver-row {
    grid-template-columns: 64px minmax(0, 1fr) 168px;
    align-items: start;
  }

  .page-news .news-ver-row .news-when {
    grid-column: 3;
    justify-self: end;
    padding-top: 2px;
  }

  .page-news .news-ver-list {
    padding-left: 0;
  }
}

@media (min-width: 1180px) {
  .page-news .news-board-grid {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-batch,
  .page-news .news-batch::before,
  .page-news .news-more,
  .page-news .news-filter-btn,
  .page-news .news-feature-card,
  .page-news .news-scale span {
    transition-duration: 0.01ms;
  }

  .page-news .news-feature-card:hover,
  .page-news .news-feature-card:focus-visible {
    transform: none;
  }
}
<<<END>>>