.page-news {
  --news-line: rgba(11, 30, 45, .14);
  --news-line-dark: rgba(127, 212, 217, .22);
  --news-shadow: 0 18px 44px rgba(7, 20, 31, .16);
  display: block;
  overflow-x: clip;
  background: var(--c-cloud);
  color: var(--c-deep);
  font-family: var(--font-sans);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news a {
  color: inherit;
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-abyss);
  color: var(--c-cloud);
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(2.2rem, 6vw, 4rem);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
  filter: saturate(.72);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 20, 31, .95) 10%, rgba(11, 30, 45, .76) 56%, rgba(7, 20, 31, .92) 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-mist);
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
}

.page-news .crumbs a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-news .crumbs a:hover {
  text-decoration: underline;
}

.page-news .crumbs__sep {
  color: var(--c-slate);
}

.page-news .eyebrow {
  margin: 0 0 .9rem;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: end;
}

.page-news .news-hero__title {
  margin: 0 0 .9rem;
  font-size: clamp(2.5rem, 8.4vw, 5.4rem);
  line-height: .96;
  font-weight: 800;
  letter-spacing: -.035em;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(.98rem, 2.1vw, 1.1rem);
  line-height: 1.8;
  color: rgba(244, 247, 249, .82);
}

.page-news .news-hero__act {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.3rem, 3.4vw, 1.9rem);
}

.page-news .news-hero__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.2rem, 12vw, 8rem);
  line-height: .8;
  letter-spacing: -.05em;
  color: var(--c-signal);
  opacity: .92;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: clamp(1.6rem, 4.6vw, 2.6rem) 0 0;
  padding: clamp(1.1rem, 3vw, 1.5rem) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(.9rem, 2.4vw, 1.4rem);
  border-top: 1px solid var(--news-line-dark);
}

.page-news .news-hero__stats b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-cyan);
}

.page-news .news-hero__stats span {
  display: block;
  margin-top: .25rem;
  font-size: .8rem;
  letter-spacing: .02em;
  color: var(--c-mist);
}

/* ---------- 主体骨架 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4.6vw, 3.2rem);
  padding-block: clamp(2rem, 5.4vw, 4rem);
}

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

/* ---------- 头条 ---------- */
.page-news .headline {
  position: relative;
  padding: clamp(1.2rem, 3.4vw, 2rem);
  background: var(--c-paper);
  border-left: 6px solid var(--c-signal);
  box-shadow: var(--news-shadow);
}

.page-news .headline__flag {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
  margin-bottom: .9rem;
}

.page-news .headline__code {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--c-slate);
}

.page-news .headline__title {
  margin: 0 0 .8rem;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-news .headline__text {
  margin: 0;
  max-width: 46ch;
  font-size: .98rem;
  line-height: 1.85;
  color: rgba(11, 30, 45, .82);
}

.page-news .headline__foot {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.2rem;
  align-items: center;
  margin-top: clamp(1.1rem, 3vw, 1.6rem);
}

.page-news .headline__link {
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-deep);
  border-bottom: 2px solid var(--c-signal);
  padding-bottom: 2px;
}

.page-news .headline__link span {
  margin-left: .35rem;
  color: var(--c-signal);
}

/* ---------- 条目列表 ---------- */
.page-news .feed {
  margin-top: clamp(2.2rem, 6vw, 3.6rem);
  scroll-margin-top: calc(var(--topbar) + 1rem);
}

.page-news .feed__title {
  margin: 0 0 .55rem;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.025em;
}

.page-news .feed__intro {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(11, 30, 45, .72);
}

.page-news .feed__tabs {
  display: flex;
  gap: .5rem;
  margin-top: clamp(1.2rem, 3vw, 1.7rem);
  padding-bottom: .5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--news-line);
}

.page-news .feed__tabs a {
  flex: 0 0 auto;
  padding: .5rem .85rem;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  color: var(--c-deep);
  background: var(--c-paper);
  border: 1px solid var(--news-line);
  border-radius: 2px;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-news .feed__tabs a:hover {
  background: var(--c-signal);
  border-color: var(--c-signal);
  color: var(--c-deep);
}

.page-news .feed__group {
  margin-top: clamp(1.8rem, 4.6vw, 2.8rem);
  scroll-margin-top: calc(var(--topbar) + 1rem);
}

.page-news .feed__group-head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin: 0 0 .4rem;
  padding-left: .75rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: .02em;
  border-left: 4px solid var(--c-signal);
}

.page-news .feed__group-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--c-slate);
  letter-spacing: .1em;
}

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

.page-news .entry__summary {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) 1.5rem;
  gap: .75rem;
  align-items: start;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  transition: background var(--fast) var(--ease);
}

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

.page-news .entry__summary:hover {
  background: rgba(233, 238, 241, .7);
}

.page-news .entry__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-signal);
  padding-top: .2rem;
}

.page-news .entry__body {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  min-width: 0;
}

.page-news .entry__tag {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-slate);
}

.page-news .entry__title {
  font-size: clamp(1rem, 2.3vw, 1.16rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.01em;
}

.page-news .entry__when {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--c-slate);
}

.page-news .entry__sign {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--news-line);
  border-radius: 50%;
  color: var(--c-deep);
}

.page-news .entry__sign::before,
.page-news .entry__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: opacity var(--fast) var(--ease), transform var(--slow) var(--ease);
}

.page-news .entry__sign::before {
  width: .66rem;
  height: 1.5px;
}

.page-news .entry__sign::after {
  width: 1.5px;
  height: .66rem;
}

.page-news .entry[open] .entry__sign {
  background: var(--c-signal);
  border-color: var(--c-signal);
}

.page-news .entry[open] .entry__sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-news .entry__more {
  padding: 0 1.5rem 1.4rem 2.75rem;
}

.page-news .entry__more p {
  margin: 0 0 .8rem;
  max-width: 46ch;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(11, 30, 45, .8);
}

.page-news .entry__fig {
  margin: .2rem 0 1rem;
  max-width: 520px;
}

.page-news .entry__fig--tall {
  max-width: 300px;
}

.page-news .entry__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--news-line);
}

.page-news .entry__fig figcaption {
  margin-top: .45rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--c-slate);
}

.page-news .entry__link {
  display: inline-block;
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-deep);
  border-bottom: 2px solid var(--c-signal);
  padding-bottom: 2px;
}

.page-news .entry__link span {
  margin-left: .3rem;
  color: var(--c-signal);
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  margin-top: clamp(2.6rem, 7vw, 4.4rem);
}

.page-news .series__title {
  margin: 0 0 .55rem;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.025em;
}

.page-news .series__intro {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(11, 30, 45, .72);
}

.page-news .series__band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .5rem 1rem;
  margin-top: .9rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--c-paper);
  border-left: 6px solid var(--c-signal);
}

.page-news .series__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--c-signal);
  line-height: 1;
}

.page-news .series__copy h3 {
  margin: 0 0 .4rem;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-news .series__copy p {
  margin: 0;
  max-width: 44ch;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(11, 30, 45, .78);
}

.page-news .series__link {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: .7rem;
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

.page-news .series__link span {
  margin-left: .3rem;
}

.page-news .series__band--dark {
  background: var(--c-night);
  color: var(--c-cloud);
  border-left-color: var(--c-cyan);
}

.page-news .series__band--dark .series__num {
  color: var(--c-cyan);
}

.page-news .series__band--dark .series__copy p {
  color: rgba(244, 247, 249, .8);
}

.page-news .series__band--sand {
  background: var(--c-sand);
  border-left-color: var(--c-deep);
}

.page-news .series__band--sand .series__num {
  color: var(--c-deep);
}

/* ---------- 版本日志 ---------- */
.page-news .vlog {
  margin-top: clamp(2.6rem, 7vw, 4.4rem);
}

.page-news .vlog__title {
  margin: 0 0 .55rem;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.025em;
}

.page-news .vlog__intro {
  margin: 0 0 1.2rem;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(11, 30, 45, .72);
}

.page-news .vlog__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--news-line);
  background: var(--c-cloud);
}

.page-news .vlog__table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: .9rem;
  line-height: 1.7;
}

.page-news .vlog__table caption {
  padding: .85rem 1rem;
  text-align: left;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--c-slate);
  background: var(--c-paper);
  border-bottom: 1px solid var(--news-line);
}

.page-news .vlog__table thead th {
  padding: .7rem 1rem;
  text-align: left;
  font-size: .72rem;
  letter-spacing: .12em;
  font-weight: 700;
  color: var(--c-cloud);
  background: var(--c-deep);
}

.page-news .vlog__table tbody th {
  padding: .85rem 1rem;
  text-align: left;
  font-weight: 700;
  white-space: nowrap;
  background: var(--c-paper);
  border-bottom: 1px solid var(--news-line);
}

.page-news .vlog__table tbody td {
  padding: .85rem 1rem;
  vertical-align: top;
  border-bottom: 1px solid var(--news-line);
  color: rgba(11, 30, 45, .82);
}

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

.page-news .vlog__foot {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.4rem;
  margin: 1rem 0 0;
}

.page-news .vlog__link {
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-deep);
  border-bottom: 2px solid var(--c-signal);
  padding-bottom: 2px;
}

.page-news .vlog__link span {
  margin-left: .3rem;
  color: var(--c-signal);
}

/* ---------- 纠错与增补 ---------- */
.page-news .reach {
  margin-top: clamp(2.6rem, 7vw, 4.4rem);
}

.page-news .reach__panel {
  padding: clamp(1.2rem, 3.6vw, 2rem);
}

.page-news .reach__title {
  margin: 0 0 .7rem;
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--c-deep);
}

.page-news .reach__text {
  margin: 0;
  max-width: 46ch;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(11, 30, 45, .82);
}

.page-news .reach__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
  margin: 1.1rem 0 .7rem;
  padding: .8rem .9rem;
  background: var(--c-deep);
  color: var(--c-cloud);
}

.page-news .reach__mail span {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-mist);
}

.page-news .reach__mail a {
  font-family: var(--font-mono);
  font-size: clamp(.82rem, 2.4vw, .95rem);
  font-weight: 700;
  color: var(--c-cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-news .reach__mail a:hover {
  color: var(--c-signal);
}

.page-news .reach__note {
  margin: 0 0 1.2rem;
  max-width: 46ch;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-news .reach__act {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0;
}

/* ---------- 右侧时间轨道 ---------- */
.page-news .news-rail {
  min-width: 0;
  padding-top: .4rem;
}

.page-news .rail-head {
  margin: 0 0 1rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-slate);
  text-transform: uppercase;
}

.page-news .track {
  position: relative;
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0 0 0 1.15rem;
}

.page-news .track::before {
  content: "";
  position: absolute;
  top: .3rem;
  bottom: .3rem;
  left: 3px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-signal), rgba(106, 135, 147, .45));
}

.page-news .track__item {
  position: relative;
  padding-bottom: 1.15rem;
}

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

.page-news .track__item::before {
  content: "";
  position: absolute;
  top: .36rem;
  left: -1.15rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-cloud);
  border: 2px solid var(--c-slate);
}

.page-news .track__item--now::before {
  background: var(--c-signal);
  border-color: var(--c-signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 26, .16);
}

.page-news .track__stage {
  display: block;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-deep);
}

.page-news .track__note {
  display: block;
  margin-top: .2rem;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--c-slate);
}

.page-news .rail-card {
  padding: 1rem;
  background: var(--c-deep);
  color: var(--c-cloud);
}

.page-news .rail-card__k {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--c-mist);
}

.page-news .rail-card__v {
  margin: .1rem 0 .85rem;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-cyan);
}

.page-news .rail-card__v--sm {
  font-size: .86rem;
  line-height: 1.5;
  letter-spacing: .02em;
  margin-bottom: 0;
}

.page-news .rail-link {
  margin: 1rem 0 0;
  font-size: .84rem;
  font-weight: 700;
}

.page-news .rail-link a {
  text-decoration: none;
  border-bottom: 2px solid var(--c-signal);
  padding-bottom: 2px;
}

.page-news .rail-link a span {
  margin-left: .3rem;
  color: var(--c-signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .entry__summary {
    grid-template-columns: 2.4rem minmax(0, 1fr) 1.6rem;
    gap: 1rem;
    padding: 1.15rem 0;
  }

  .page-news .entry__more {
    padding-left: 3.4rem;
  }
}

@media (min-width: 768px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
  }

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

  .page-news .series__band {
    grid-template-columns: 3.4rem minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .series__link {
    grid-column: 3;
    justify-self: end;
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-news .news-shell {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--topbar) + 1.5rem);
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry__sign::before,
  .page-news .entry__sign::after,
  .page-news .feed__tabs a,
  .page-news .entry__summary {
    transition: none;
  }
}
<<<END>>>