.page-news {
  padding-bottom: 5rem;
}

.page-news .news-lead {
  padding-block: 1.75rem 2.25rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-lead .eyebrow {
  margin: 0 0 .6rem;
}

.page-news .news-lead__title {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.1rem, 8.5vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: .07em;
  color: var(--paper);
}

.page-news .news-lead__lede {
  max-width: 36rem;
  margin: 0;
}

/* ── 本批次速览条 ───────────────────────── */
.page-news .batch-overview {
  margin-block: 2rem 1rem;
}

.page-news .batch-overview__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .batch-overview__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  pointer-events: none;
}

.page-news .batch-overview__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.page-news .batch-stat {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-height: 96px;
  padding: 1.1rem 1rem;
  background: rgba(20, 26, 58, .84);
}

.page-news .batch-stat__label {
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-news .batch-stat__value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-size: clamp(1.2rem, 4vw, 1.65rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
  line-height: 1.2;
}

.page-news .batch-stat__value--text {
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .02em;
}

.page-news .batch-stat__state {
  font-size: .95rem;
  font-weight: 500;
  gap: .3rem;
}

.page-news .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-news .dot--live {
  background: var(--moss);
  box-shadow: 0 0 8px rgba(79, 169, 122, .7);
}

.page-news .dot--pending {
  background: var(--clay);
  box-shadow: 0 0 8px rgba(192, 101, 75, .7);
}

/* ── 规则流：索引轴 + 条目 ─────────────── */
.page-news .rule-stream .section-head {
  max-width: 42rem;
}

.page-news .rule-stream__layout {
  margin-top: 2rem;
}

.page-news .batch-index {
  padding: .9rem .95rem 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
  margin-bottom: 1.5rem;
}

.page-news .batch-index__label {
  margin: 0 0 .7rem;
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--stone);
}

.page-news .batch-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .batch-index__link {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-height: 44px;
  justify-content: center;
  padding: .5rem .8rem;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  white-space: nowrap;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-news .batch-index__link:hover,
.page-news .batch-index__link:focus-visible {
  border-color: var(--amber);
  background: rgba(255, 138, 61, .08);
}

.page-news .batch-index__link .num {
  font-size: .95rem;
}

.page-news .batch-index__note {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-news .batch-index__hint {
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-news .stream-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: .5rem;
}

.page-news .stream-toolbar__order {
  margin: 0;
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-news .stream-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-news .stream-filter__chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 .85rem;
  border: 1px solid var(--line);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

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

.page-news .rule-batch__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .8rem;
  margin: 1.6rem 0 .4rem;
}

.page-news .rule-batch__head .num {
  font-size: 1.05rem;
  letter-spacing: .12em;
}

.page-news .rule-item {
  border-top: 1px solid var(--line-soft);
  border-left: 2px solid var(--amber);
  padding-left: .95rem;
}

.page-news .rule-item--pending {
  border-left-color: var(--clay);
}

.page-news .rule-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem .8rem;
  padding-block: 1.15rem;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .rule-item__summary::before {
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--amber);
}

.page-news .rule-item--pending .rule-item__summary::before {
  color: var(--clay);
}

.page-news .rule-item[open] .rule-item__summary::before {
  content: "−";
}

.page-news .rule-item__cat {
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--stone);
  flex: none;
}

.page-news .rule-item__title {
  flex: 1 1 12rem;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .rule-item__state {
  flex: none;
}

.page-news .rule-item__body {
  padding: .2rem 0 1.4rem;
  max-width: 38rem;
}

.page-news .rule-item__body p {
  margin: 0 0 .9rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .rule-item__meta {
  display: grid;
  gap: .35rem .9rem;
  margin: 0;
  padding-top: .75rem;
  border-top: 1px dashed var(--line-soft);
  font-size: .82rem;
}

.page-news .rule-item__meta > div {
  display: flex;
  gap: .6rem;
}

.page-news .rule-item__meta dt {
  flex: none;
  min-width: 4.8rem;
  color: var(--stone);
  letter-spacing: .06em;
}

.page-news .rule-item__meta dd {
  margin: 0;
  color: var(--paper);
}

.page-news .rule-batch--a .rule-item__summary {
  padding-block: 1.3rem;
}

.page-news .rule-batch--b .rule-item__summary {
  padding-block: 1rem;
}

.page-news .rule-batch--c .rule-item__summary {
  padding-block: .85rem;
}

/* ── 变更对照 ───────────────────────────── */
.page-news .diff-list {
  margin-top: 1.75rem;
  display: grid;
  gap: 1.5rem;
}

.page-news .diff-row {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .diff-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .diff-row__head .title-3 {
  margin: 0;
}

.page-news .diff-row__no {
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-news .diff-row__cols {
  display: grid;
  grid-template-columns: 1fr;
}

.page-news .diff-col {
  padding: 1rem 1.1rem 1.15rem;
  position: relative;
}

.page-news .diff-col + .diff-col {
  border-top: 1px solid var(--line);
}

.page-news .diff-col__label {
  margin: 0 0 .45rem;
  font-size: .75rem;
  letter-spacing: .2em;
}

.page-news .diff-col p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
}

.page-news .diff-col--before .diff-col__label {
  color: var(--clay);
}

.page-news .diff-col--before p {
  color: var(--stone);
}

.page-news .diff-col--after .diff-col__label {
  color: var(--moss);
}

.page-news .diff-col--after p {
  color: var(--paper);
}

.page-news .diff-figure {
  margin: 2rem 0 0;
}

/* ── 客户端版本记录 ─────────────────────── */
.page-news .version-section .section-head {
  max-width: 46rem;
}

.page-news .version-visual {
  margin: 1.75rem 0 0;
}

.page-news .version-log {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  position: relative;
  padding: 0 0 1.6rem 1.35rem;
  margin: 0;
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45rem;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-news .version-item::after {
  content: "";
  position: absolute;
  left: -3px;
  top: .45rem;
  width: 7px;
  height: 7px;
  background: var(--stone);
  border-radius: 50%;
}

.page-news .version-item--latest::after {
  background: var(--magenta);
  box-shadow: 0 0 10px rgba(255, 61, 154, .8);
}

.page-news .version-item:last-child::before {
  display: none;
}

.page-news .version-item--latest .log-meta .num {
  color: var(--magenta);
}

.page-news .version-item .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .8rem;
  margin: 0 0 .5rem;
}

.page-news .version-item .log-title {
  margin: 0 0 .7rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.5;
}

.page-news .version-tag {
  border: 1px solid var(--line-strong);
  color: var(--stone);
  letter-spacing: .08em;
}

.page-news .version-tag--new {
  border-color: rgba(255, 61, 154, .55);
  color: var(--magenta);
  box-shadow: 0 0 14px rgba(255, 61, 154, .18);
}

.page-news .version-points {
  margin: 0 0 .75rem;
  padding-left: 1.1rem;
  display: grid;
  gap: .35rem;
}

.page-news .version-points li {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .version-fit {
  margin: 0;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ── 专题 ───────────────────────────────── */
.page-news .topic-visual {
  margin: 1.75rem 0 1.75rem;
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-news .topic-card {
  position: relative;
  padding: 1.35rem 1.25rem 1.4rem;
  border: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.page-news .topic-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
}

.page-news .topic-card--cyan::before {
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(43, 230, 200, .6);
}

.page-news .topic-card--amber::before {
  background: var(--amber);
  box-shadow: 0 0 14px rgba(255, 138, 61, .6);
}

.page-news .topic-card--magenta::before {
  background: var(--magenta);
  box-shadow: 0 0 14px rgba(255, 61, 154, .6);
}

.page-news .topic-card__no {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--stone);
}

.page-news .topic-card .title-3 {
  margin: 0;
}

.page-news .topic-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--paper);
}

.page-news .topic-card .link-arrow {
  margin-top: .35rem;
  align-self: flex-start;
}

/* ── 回溯与提醒 ─────────────────────────── */
.page-news .lookback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: 1.75rem;
}

.page-news .lookback-col {
  padding: 1.2rem 1.15rem 1.3rem;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-news .lookback-col .title-3 {
  margin: 0 0 .7rem;
}

.page-news .lookback-col .prose {
  margin: 0 0 1rem;
}

.page-news .lookback-tail {
  margin: 1.75rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .lookback-tail a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding-block: .6rem;
  display: inline-block;
}

.page-news .lookback-tail a:hover,
.page-news .lookback-tail a:focus-visible {
  color: var(--paper);
}

/* ── 断点 ───────────────────────────────── */
@media (min-width: 640px) {
  .page-news .batch-overview__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .diff-row__cols {
    grid-template-columns: 1fr 1px 1fr;
    align-items: stretch;
  }

  .page-news .diff-col + .diff-col {
    border-top: 0;
  }

  .page-news .diff-row__cols::before {
    content: "";
    grid-column: 2;
    background: var(--line);
  }

  .page-news .diff-col--before {
    grid-column: 1;
  }

  .page-news .diff-col--after {
    grid-column: 3;
  }

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

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

@media (min-width: 960px) {
  .page-news .rule-stream__layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-news .batch-index {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    margin-bottom: 0;
  }

  .page-news .batch-index__list {
    flex-direction: column;
    overflow-x: visible;
  }

  .page-news .batch-index__link {
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-start;
    gap: .6rem;
  }

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

  .page-news .rule-item__meta > div {
    flex-direction: column;
    gap: .2rem;
  }

  .page-news .rule-item__meta dt {
    min-width: 0;
  }
}

@media (min-width: 1100px) {
  .page-news .version-visual {
    margin-top: 2.25rem;
  }

  .page-news .diff-list {
    gap: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .batch-index__link,
  .page-news .stream-filter__chip {
    transition: none;
  }
}
<<<END>>>