.page-news {
  background: var(--night);
  color: var(--warm);
  overflow-x: hidden;
}

.page-news .news-crumb {
  padding-top: calc(var(--header-h) + var(--sp-3));
  padding-bottom: var(--sp-1);
}

.page-news .breadcrumb__link {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-bottom: var(--sp-5);
  background:
    radial-gradient(120% 90% at 84% -10%, rgba(55, 224, 200, .16), transparent 58%),
    radial-gradient(90% 70% at 4% 10%, rgba(127, 182, 224, .12), transparent 62%),
    var(--night);
}

.page-news .news-hero__inner {
  max-width: 940px;
  padding-block: var(--sp-3) var(--sp-4);
}

.page-news .news-hero__title {
  margin: 0 0 var(--sp-3);
  font-size: clamp(1.85rem, 6.2vw, 3.55rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: .035em;
  color: var(--warm);
}

.page-news .news-hero__lede {
  max-width: 68ch;
  margin: 0;
  color: var(--silver);
  font-size: 1.02rem;
  line-height: 1.85;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-top: var(--sp-3);
}

.page-news .news-hero__media {
  margin: var(--sp-4) 0 0;
}

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

.page-news .media__caption {
  margin-top: var(--sp-1);
  color: var(--mist);
  font-size: .82rem;
  letter-spacing: .08em;
}

/* ---------- 本期要目 ---------- */
.page-news .news-brief {
  background: var(--deep);
  border-top: var(--line-dark);
  border-bottom: var(--line-dark);
  padding-block: var(--sp-5);
}

.page-news .news-brief__grid {
  display: grid;
  gap: var(--sp-4);
}

.page-news .brief-list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-news .brief-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-1) var(--sp-2);
  padding-bottom: var(--sp-3);
  border-bottom: var(--line-soft);
}

.page-news .brief-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .brief-item__no {
  font-variant-numeric: tabular-nums;
  font-size: .88rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--aurora);
  padding-top: 4px;
}

.page-news .brief-item__body h3 {
  margin: 0 0 6px;
  font-size: 1.04rem;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--warm);
}

.page-news .brief-item__body p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .brief-item .tag {
  grid-column: 2;
  justify-self: start;
}

.page-news .news-brief__aside {
  margin: 0;
}

/* ---------- 筛选与条目流 ---------- */
.page-news .news-stream {
  padding-block: var(--sp-5);
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  padding-block: var(--sp-3);
  border-top: var(--line-dark);
  border-bottom: var(--line-dark);
  margin-bottom: var(--sp-4);
}

.page-news .entry-filter {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 2px solid var(--silver);
  border-radius: 999px;
  color: var(--silver);
  font-size: .86rem;
  letter-spacing: .1em;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .filter-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mist);
  transition: background var(--dur) var(--ease);
}

.page-news .entry-filter:checked + .filter-chip {
  background: var(--aurora);
  border-color: var(--aurora);
  color: var(--polar);
}

.page-news .entry-filter:checked + .filter-chip::before {
  background: var(--polar);
}

.page-news .entry-filter:focus-visible + .filter-chip {
  outline: 3px solid var(--glacier);
  outline-offset: 2px;
}

.page-news:has(.entry-filter:checked) .entry,
.page-news:has(.entry-filter:checked) .series-card,
.page-news:has(.entry-filter:checked) .trade-card {
  display: none;
}

.page-news:has(#f-version:checked) .entry[data-cat="version"],
.page-news:has(#f-index:checked) .entry[data-cat="index"] {
  display: grid;
}

.page-news:has(#f-series:checked) .series-card,
.page-news:has(#f-trade:checked) .trade-card {
  display: block;
}

.page-news .news-columns {
  display: grid;
  gap: var(--sp-5);
}

.page-news .stream-block + .stream-block {
  margin-top: var(--sp-5);
}

.page-news .stream-block__head {
  margin-bottom: var(--sp-3);
}

.page-news .stream-block__note {
  margin: var(--sp-2) 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.8;
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line-soft);
}

.page-news .entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-1) var(--sp-3);
  padding: var(--sp-3) var(--sp-2);
  border-bottom: var(--line-soft);
  border-left: 3px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .entry__no {
  font-variant-numeric: tabular-nums;
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--aurora);
  padding-top: 3px;
}

.page-news .entry__title {
  margin: 0 0 7px;
  font-size: 1.06rem;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--warm);
  transition: color var(--dur) var(--ease);
}

.page-news .entry__desc {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--silver);
  transition: color var(--dur) var(--ease);
}

.page-news .entry__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1);
  margin-top: 6px;
}

.page-news .entry__time {
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-news .entry__meta::after {
  content: "→";
  margin-left: 2px;
  font-size: 1.05rem;
  color: var(--aurora);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: var(--warm);
  border-left-color: var(--aurora);
}

.page-news .entry:hover .entry__no,
.page-news .entry:hover .entry__title,
.page-news .entry:focus-within .entry__no,
.page-news .entry:focus-within .entry__title {
  color: var(--night);
}

.page-news .entry:hover .entry__desc,
.page-news .entry:focus-within .entry__desc {
  color: var(--deep);
}

.page-news .entry:hover .entry__meta::after,
.page-news .entry:focus-within .entry__meta::after {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 极光提示带 ---------- */
.page-news .hint-band {
  position: relative;
  margin: var(--sp-4) 0;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) var(--sp-3);
  background: var(--aurora);
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%);
}

.page-news .hint-band p {
  margin: 0;
  max-width: 56ch;
  color: var(--polar);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: .02em;
}

/* ---------- 侧栏卡片 ---------- */
.page-news .side-media {
  margin: 0 0 var(--sp-3);
}

.page-news .series-card,
.page-news .trade-card {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--deep);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .series-card:last-child,
.page-news .trade-card:last-child {
  margin-bottom: 0;
}

.page-news .series-card:nth-of-type(odd) {
  margin-right: 0;
}

.page-news .series-card:hover,
.page-news .trade-card:hover,
.page-news .series-card:focus-within {
  border-color: var(--aurora);
  box-shadow: var(--shadow-hard);
}

.page-news .series-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.page-news .series-card__title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--warm);
}

.page-news .series-card__desc,
.page-news .trade-card__desc {
  margin: var(--sp-2) 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .trade-card__title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--warm);
}

.page-news .trade-card .tag {
  margin-top: var(--sp-2);
}

.page-news .series-details {
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: var(--line-soft);
}

.page-news .series-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  color: var(--aurora);
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .1em;
}

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

.page-news .series-details summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.15rem;
  line-height: 1;
}

.page-news .series-details[open] summary::after {
  content: "−";
}

.page-news .series-toc {
  margin: var(--sp-2) 0 0;
  padding-left: 1.3em;
  color: var(--silver);
  font-size: .9rem;
  line-height: 2;
}

.page-news .trade-note {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-3);
  border-top: var(--line-soft);
  color: var(--mist);
  font-size: .88rem;
  line-height: 1.8;
}

.page-news .inline-link {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 224, 200, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .inline-link:hover {
  border-bottom-color: var(--aurora);
  color: var(--frost);
}

/* ---------- 收尾 ---------- */
.page-news .news-tail {
  background: var(--warm);
  color: var(--night);
  border-top: var(--line);
  padding-block: var(--sp-5);
}

.page-news .eyebrow--dark {
  color: var(--deep);
}

.page-news .news-tail__title {
  color: var(--night);
  max-width: 22ch;
}

.page-news .news-tail__lede {
  max-width: 62ch;
  margin: var(--sp-2) 0 0;
  color: var(--deep);
  font-size: 1rem;
  line-height: 1.85;
}

.page-news .tail-grid {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-news .tail-step {
  border: var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: var(--sp-3);
  box-shadow: var(--shadow-hard);
}

.page-news .tail-step__no {
  display: inline-block;
  margin-bottom: var(--sp-2);
  padding: 3px 12px;
  background: var(--night);
  color: var(--aurora);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
}

.page-news .tail-step h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--night);
}

.page-news .tail-step p {
  margin: 0;
  color: var(--deep);
  font-size: .92rem;
  line-height: 1.78;
}

.page-news .tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.page-news .tail-foot {
  margin: var(--sp-3) 0 0;
  color: var(--deep);
  font-size: .92rem;
  line-height: 1.85;
}

.page-news .inline-link--dark {
  color: var(--night);
  border-bottom-color: rgba(11, 27, 43, .4);
}

.page-news .inline-link--dark:hover {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .brief-item {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .brief-item .tag {
    grid-column: 3;
    justify-self: end;
    margin-top: 2px;
  }

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

@media (min-width: 900px) {
  .page-news .news-brief__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-news .entry {
    grid-template-columns: 84px minmax(0, 1fr) minmax(140px, auto);
    align-items: start;
    gap: var(--sp-1) var(--sp-3);
  }

  .page-news .entry__meta {
    grid-column: 3;
    margin-top: 2px;
    justify-content: flex-end;
  }

  .page-news .entry .tag {
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-news .news-columns {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-news .news-col-side .series-card:nth-of-type(even),
  .page-news .news-col-side .trade-card:nth-of-type(even) {
    margin-left: -18px;
    margin-right: 18px;
  }
}

@media (min-width: 1240px) {
  .page-news .news-hero__inner {
    padding-block: var(--sp-4) var(--sp-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry__title,
  .page-news .entry__desc,
  .page-news .entry__time,
  .page-news .entry__meta::after,
  .page-news .filter-chip,
  .page-news .filter-chip::before,
  .page-news .series-card,
  .page-news .trade-card,
  .page-news .inline-link {
    transition: none;
  }

  .page-news .entry__meta::after {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>