.page-news {
  --news-hair: rgba(155, 243, 232, .14);
  --news-hair-strong: rgba(155, 243, 232, .34);
  --news-panel: #0E2440;
  --news-panel-top: rgba(14, 36, 64, .72);
  background: var(--ink-950);
  color: var(--body-copy);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: 72px;
}

.page-news .wrap {
  width: min(var(--wrap), 100% - 36px);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 26px;
  border-bottom: 1px solid var(--ink-600);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 2px;
  background: var(--grad-key);
}

.page-news .news-hero__eyebrow {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan-400);
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 7.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper-50);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body-copy);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--news-hair);
}

.page-news .news-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 12.5px;
  color: var(--mist-400);
}

.page-news .news-hero__meta strong {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--hot);
  line-height: 1;
}

/* ---------- 通栏氛围图 ---------- */
.page-news .news-banner {
  margin: 22px 0 0;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 420;
  object-fit: cover;
}

/* ---------- 章节外壳 ---------- */
.page-news .news-block {
  margin-top: 48px;
}

.page-news .news-block__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-news .news-block__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 8vw, 40px);
  line-height: .86;
  letter-spacing: -.03em;
  color: var(--cyan-400);
  opacity: .82;
  transform: translateY(-2px);
}

.page-news .news-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 4.9vw, 29px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper-50);
}

.page-news .news-block__lead {
  margin: 14px 0 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-copy);
}

/* ---------- 版本筛选刻度 ---------- */
.page-news .news-filter {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  padding: 12px 2px;
  overflow-x: auto;
  border-top: 1px solid var(--ink-600);
  border-bottom: 1px solid var(--ink-600);
  scrollbar-width: none;
}

.page-news .news-filter::-webkit-scrollbar {
  display: none;
}

.page-news .news-filter__item {
  position: relative;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 118px;
  padding: 8px 12px 8px 20px;
  border: 1px solid var(--ink-600);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--paper-50);
  text-decoration: none;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .news-filter__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-600);
}

.page-news .news-filter__item span {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--mist-400);
}

.page-news .news-filter__item:hover,
.page-news .news-filter__item:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(44, 230, 210, .06);
}

.page-news .news-filter__item:hover::before,
.page-news .news-filter__item:focus-visible::before {
  background: var(--cyan-400);
}

/* ---------- 版本分组 ---------- */
.page-news .ver-group {
  margin-top: 30px;
}

.page-news .ver-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--mist-400);
}

.page-news .ver-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--ink-600);
}

.page-news .ver-group__code {
  color: var(--paper-50);
  font-weight: 700;
}

/* ---------- 更新条目卡片 ---------- */
.page-news .update {
  position: relative;
  margin-bottom: 6px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--news-panel) 0%, var(--news-panel-top) 100%);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .35);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-news .update::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 2px;
  background: var(--ink-600);
  transition: background-color .18s var(--ease);
}

.page-news .update:hover {
  transform: translateY(-4px);
  border-color: var(--news-hair-strong);
  box-shadow: var(--shadow-panel);
}

.page-news .update:hover::before,
.page-news .update[open]::before {
  background: var(--cyan-400);
}

.page-news .update__sum {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  padding: 15px 40px 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .update__sum::after {
  content: "＋";
  position: absolute;
  right: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--mist-400);
  transition: color .18s var(--ease);
}

.page-news .update[open] .update__sum::after {
  content: "－";
  color: var(--cyan-400);
}

.page-news .update__sum:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
  border-radius: var(--radius);
}

.page-news .update__ver {
  flex: none;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  color: var(--cyan-400);
}

.page-news .news-tag {
  flex: none;
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  white-space: nowrap;
}

.page-news .news-tag--live {
  background: rgba(44, 230, 210, .13);
  border-color: rgba(44, 230, 210, .4);
  color: var(--cyan-400);
}

.page-news .news-tag--hot {
  background: rgba(255, 122, 46, .14);
  border-color: rgba(255, 122, 46, .42);
  color: var(--orange-300);
}

.page-news .news-tag--done {
  background: rgba(242, 246, 250, .1);
  border-color: rgba(242, 246, 250, .3);
  color: var(--paper-50);
}

.page-news .update__text {
  flex: 1 1 100%;
  min-width: 0;
}

.page-news .update__line {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-50);
}

.page-news .update__line--dim {
  margin-top: 3px;
  font-size: 13.5px;
  color: var(--mist-400);
}

.page-news .update__body {
  margin: 0 16px;
  padding: 14px 0 16px;
  border-top: 1px dashed var(--news-hair);
}

.page-news .update__facts {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-news .update__fact dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan-400);
}

.page-news .update__fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-copy);
}

/* ---------- 条目构成拆解 ---------- */
.page-news .anatomy {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-news .anatomy__item {
  position: relative;
  padding: 18px 16px 16px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--news-panel);
}

.page-news .anatomy__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange-500);
  opacity: .9;
}

.page-news .anatomy__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper-50);
}

.page-news .anatomy__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-copy);
}

.page-news .anatomy__eg {
  margin: 12px 0 0;
  padding: 8px 10px;
  border-left: 2px solid var(--orange-500);
  background: rgba(255, 122, 46, .07);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--orange-300);
}

/* ---------- 三个阶段 ---------- */
.page-news .stages {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-news .stage {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--news-panel);
  overflow: hidden;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-news .stage:hover {
  transform: translateY(-4px);
  border-color: var(--news-hair-strong);
}

.page-news .stage__fig {
  margin: 0;
  border-bottom: 1px solid var(--ink-600);
  background: var(--ink-800);
}

.page-news .stage__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 700;
  object-fit: cover;
}

.page-news .stage__body {
  padding: 16px 16px 18px;
}

.page-news .stage__code {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  border: 1px solid var(--news-hair-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-200);
}

.page-news .stage__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper-50);
}

.page-news .stage__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-copy);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--ink-600);
}

.page-news .cadence__item {
  position: relative;
  padding: 0 0 22px;
}

.page-news .cadence__item:last-child {
  padding-bottom: 0;
}

.page-news .cadence__mark {
  position: absolute;
  left: -25px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--ink-950);
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-news .cadence__item:nth-child(2) .cadence__mark {
  background: var(--orange-500);
}

.page-news .cadence__item:nth-child(3) .cadence__mark {
  background: var(--cyan-200);
}

.page-news .cadence__item:nth-child(4) .cadence__mark {
  background: var(--paper-50);
}

.page-news .cadence__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -.005em;
  color: var(--paper-50);
}

.page-news .cadence__text {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-copy);
}

/* ---------- 收尾提问 ---------- */
.page-news .ask {
  display: grid;
  gap: 20px;
  margin-top: 8px;
  padding: 22px 18px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(44, 230, 210, .1) 0%, rgba(255, 122, 46, .09) 100%);
}

.page-news .ask__lede {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-copy);
}

.page-news .ask__note {
  margin: 0 0 16px;
  max-width: 46ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-news .ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .ask__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .wrap {
    width: min(var(--wrap), 100% - 56px);
  }

  .page-news .news-hero {
    padding-top: calc(var(--header-h) + 44px);
    padding-bottom: 34px;
  }

  .page-news .news-hero__lede {
    font-size: 16.5px;
  }

  .page-news .news-banner {
    margin-top: 30px;
  }

  .page-news .news-block {
    margin-top: 62px;
  }

  .page-news .news-block__head {
    gap: 20px;
  }

  .page-news .update__body {
    margin: 0 22px 0 142px;
  }

  .page-news .update__facts {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-news .anatomy {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-bottom: 44px;
  }

  .page-news .anatomy__item:nth-child(2) {
    transform: translateY(22px);
  }

  .page-news .anatomy__item:nth-child(3) {
    transform: translateY(44px);
  }

  .page-news .stages {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-news .ask {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
    padding: 28px 26px;
  }
}

@media (min-width: 860px) {
  .page-news .update__sum {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: start;
    gap: 8px 22px;
    padding: 18px 44px 18px 22px;
  }

  .page-news .update__ver {
    grid-column: 1;
    grid-row: 1 / span 2;
    font-size: 27px;
  }

  .page-news .news-tag {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
  }

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

  .page-news .update::before {
    top: 18px;
    bottom: 18px;
  }

  .page-news .ver-group {
    margin-top: 36px;
  }
}

@media (min-width: 1100px) {
  .page-news .cadence {
    padding-left: 26px;
  }

  .page-news .cadence__mark {
    left: -33px;
  }

  .page-news .cadence__item {
    padding-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .update,
  .page-news .stage {
    transition: none;
  }

  .page-news .update:hover,
  .page-news .stage:hover {
    transform: none;
  }
}
<<<END>>>