.page-news {
  --nw-tick-w: 92px;
  --nw-gap: clamp(18px, 3vw, 40px);
  --nw-panel: rgba(20, 41, 79, .7);
  display: block;
  color: var(--star);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .nw-crumb-wrap {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-news .nw-hero {
  position: relative;
  padding-block: clamp(26px, 4.5vw, 54px) clamp(30px, 5vw, 62px);
  isolation: isolate;
}

.page-news .nw-hero::before {
  content: "";
  position: absolute;
  inset: -10% -6% 0;
  z-index: -1;
  background:
    radial-gradient(90% 80% at 6% 10%, rgba(108, 74, 182, .36), transparent 62%),
    radial-gradient(60% 70% at 96% 26%, rgba(242, 193, 78, .1), transparent 68%);
  pointer-events: none;
}

.page-news .nw-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.2;
  letter-spacing: .06em;
  margin: 0 0 .55em;
  max-width: 20em;
}

.page-news .nw-hero .ab-section__lead {
  max-width: 60ch;
}

.page-news .nw-hero__facts {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px dashed var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.8rem;
  font-size: .88rem;
  color: var(--satellite);
}

.page-news .nw-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: .35rem;
}

.page-news .nw-hero__facts .ab-mono {
  color: var(--galaxy);
  font-size: 1.15rem;
  letter-spacing: .04em;
}

/* ---------- 公告栏 ---------- */
.page-news .nw-pin__visual {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  overflow: hidden;
}

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

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

.page-news .nw-pin__item details {
  position: relative;
  padding: 1.05rem 1.1rem 1.05rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--galaxy);
  border-radius: var(--r);
  background:
    linear-gradient(90deg, rgba(242, 193, 78, .12), transparent 46%),
    var(--nw-panel);
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.page-news .nw-pin__item details:hover {
  border-color: var(--line);
  border-left-color: var(--galaxy-lite);
}

.page-news .nw-pin__item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .75rem;
}

.page-news .nw-pin__item summary::-webkit-details-marker {
  display: none;
}

.page-news .nw-pin__item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--nebula-lite);
}

.page-news .nw-pin__item details[open] summary::after {
  content: "－";
  color: var(--galaxy);
}

.page-news .nw-pin__headline {
  flex: 1 1 240px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.55;
  letter-spacing: .02em;
}

.page-news .nw-pin__stamp {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--satellite);
  white-space: nowrap;
}

.page-news .nw-pin__body {
  margin-top: .75rem;
  padding-top: .8rem;
  border-top: 1px dashed var(--line-soft);
}

.page-news .nw-pin__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(232, 238, 252, .82);
}

/* ---------- 条目流 ---------- */
.page-news .nw-feed__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-news .nw-rail {
  display: none;
}

.page-news .nw-rail__ticks {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 3.1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--satellite);
}

.page-news .nw-rail__ticks li {
  position: relative;
}

.page-news .nw-rail__ticks li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: .32em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--nebula-lite);
  border-radius: 50%;
  background: var(--abyss);
}

.page-news .nw-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .nw-item {
  position: relative;
  padding: 1.05rem .7rem 1.1rem 1rem;
  border-bottom: 1px dashed var(--line-soft);
  transition: background var(--dur) ease;
}

.page-news .nw-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--nebula);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) ease;
}

.page-news .nw-item:hover {
  background: rgba(20, 41, 79, .48);
}

.page-news .nw-item:hover::before {
  transform: scaleY(1);
}

.page-news .nw-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .5rem .7rem;
}

.page-news .nw-item__title {
  flex: 1 1 240px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .02em;
}

.page-news .nw-item__sum {
  margin: .5rem 0 .6rem;
  font-size: .94rem;
  line-height: 1.82;
  color: rgba(232, 238, 252, .78);
  max-width: 68ch;
}

.page-news .nw-item__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem 1.1rem;
  font-size: .73rem;
  letter-spacing: .07em;
  color: var(--satellite);
}

.page-news .nw-item__read {
  color: var(--nebula-lite);
  opacity: 1;
  transition: opacity var(--dur) ease;
}

@media (hover: hover) {
  .page-news .nw-item__read {
    opacity: 0;
  }
  .page-news .nw-item:hover .nw-item__read,
  .page-news .nw-item:focus-within .nw-item__read {
    opacity: 1;
  }
}

/* ---------- 更新节奏 ---------- */
.page-news .nw-rhythm__fig {
  margin: 0 0 clamp(22px, 3.2vw, 36px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 0 0 .7rem;
  background: linear-gradient(180deg, rgba(11, 27, 58, .2), rgba(108, 74, 182, .1));
  overflow: hidden;
}

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

.page-news .nw-rhythm__fig .ab-figure__cap {
  padding: .7rem 1rem 0;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--satellite);
}

.page-news .nw-rhythm__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

/* ---------- 专题系列 ---------- */
.page-news .nw-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-news .nw-series__card {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1rem 1.05rem 1.3rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(20, 41, 79, .88), rgba(11, 27, 58, .58));
  transition: border-color var(--dur) ease;
}

.page-news .nw-series__card:hover {
  border-color: var(--nebula);
}

.page-news .nw-series__media {
  margin: 0 -1.05rem .2rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .nw-series__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .nw-series__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--galaxy-lite);
}

.page-news .nw-series__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.82;
  color: rgba(232, 238, 252, .8);
}

.page-news .nw-series__stat {
  margin: auto 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line-soft);
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--satellite);
}

/* ---------- 归档 ---------- */
.page-news .nw-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-news .nw-archive__body p {
  margin: 0 0 1em;
  font-size: 1rem;
  line-height: 1.88;
  color: rgba(232, 238, 252, .84);
  max-width: 62ch;
}

.page-news .nw-archive__body .ab-section__title {
  margin-bottom: .7em;
}

.page-news .nw-archive__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.6rem;
}

.page-news .nw-archive__fig {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--nebula);
  border-radius: var(--r);
  padding: .6rem .6rem 0;
  background: rgba(20, 41, 79, .55);
}

.page-news .nw-archive__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-news .nw-archive__fig .ab-figure__cap {
  padding: .6rem .3rem .75rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--satellite);
}

/* ---------- 后续跟进 ---------- */
.page-news .nw-follow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .nw-rhythm__cards,
  .page-news .nw-follow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .nw-feed__grid {
    grid-template-columns: var(--nw-tick-w) minmax(0, 1fr);
    gap: var(--nw-gap);
  }

  .page-news .nw-rail {
    display: block;
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    align-self: start;
    padding-top: .4rem;
  }

  .page-news .nw-series__card:nth-child(2) {
    margin-top: 20px;
  }

  .page-news .nw-series__card:nth-child(3) {
    margin-top: 7px;
  }

  .page-news .nw-archive__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1100px) {
  .page-news {
    --nw-tick-w: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nw-item,
  .page-news .nw-item::before,
  .page-news .nw-item__read,
  .page-news .nw-pin__item details,
  .page-news .nw-series__card {
    transition: none;
  }
}
<<<END>>>