.page-news {
  display: block;
  background: var(--paper);
  color: var(--paper-ink);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  padding: 18px 0 0;
}

.page-news .breadcrumbs {
  margin-bottom: 14px;
}

.page-news .news-hero__frame {
  position: relative;
  display: grid;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night);
  box-shadow: var(--shadow-1);
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, rgba(215, 242, 74, .5) 0 1px, transparent 1px 22px);
  pointer-events: none;
  z-index: 3;
}

.page-news .news-hero__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--night-2);
}

.page-news .news-hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .news-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 20, 24, .08) 0%, rgba(16, 20, 24, .82) 100%);
}

.page-news .news-hero__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
}

.page-news .news-hero__content {
  padding: 24px 18px 26px;
  color: var(--ink-inverse);
}

.page-news .news-hero__content .eyebrow {
  color: var(--lime);
}

.page-news .news-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(26px, 7.6vw, 46px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-inverse-dim);
}

.page-news .news-hero__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-hero__value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -.01em;
}

.page-news .news-hero__label {
  display: block;
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--silver);
}

/* ---------- 更新流 ---------- */
.page-news .news-filters {
  margin-top: 4px;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: none;
}

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

.page-news .news-filters .filter-btn {
  white-space: nowrap;
  flex: 0 0 auto;
}

.page-news .news-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item--key {
  padding-left: 16px;
}

.page-news .news-item--key::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--lime);
}

.page-news .news-item__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .news-item__time {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(27, 32, 38, .58);
  text-transform: uppercase;
}

.page-news .news-item__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-news .news-item--key .news-item__title {
  font-size: 19px;
}

.page-news .news-item__excerpt {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(27, 32, 38, .72);
}

.page-news .news-item__fold {
  margin-top: 8px;
}

.page-news .news-item__fold summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sky);
  padding: 2px 0;
}

.page-news .news-item__fold summary:hover,
.page-news .news-item__fold summary:focus-visible {
  color: var(--grass);
}

.page-news .news-item__fold .fold__body {
  padding-top: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(27, 32, 38, .78);
}

.page-news .news-item__fold .fold__body p {
  margin: 0 0 10px;
  max-width: 34em;
}

.page-news .news-item__link {
  display: inline-block;
  font-size: 13.5px;
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .news-item__link:hover {
  color: var(--grass-deep);
}

/* ---------- 专题主题带 ---------- */
.page-news .news-topics .section-head {
  max-width: 46em;
}

.page-news .news-topics__grid {
  display: grid;
  gap: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, .02);
}

.page-news .topic-band {
  padding: 24px 18px;
}

.page-news .topic-band + .topic-band {
  border-top: 1px solid var(--line-dark);
}

.page-news .topic-band__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .topic-band__no {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--silver);
  text-transform: uppercase;
}

.page-news .topic-band h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-inverse);
}

.page-news .topic-band p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-inverse-dim);
}

.page-news .topic-scale {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 34px;
  margin: 18px 0 0;
}

.page-news .topic-scale__tick {
  flex: 1 1 0;
  height: 42%;
  background: rgba(155, 163, 168, .26);
  border-radius: 1px 1px 0 0;
  transition: height .18s var(--ease), background-color .18s var(--ease);
}

.page-news .topic-scale__tick.is-on {
  background: var(--grass);
  height: 72%;
}

.page-news .topic-scale__tick.is-peak {
  background: var(--lime);
  height: 100%;
}

.page-news .topic-scale__tick:hover {
  background: var(--lime);
  height: 100%;
}

.page-news .topic-band__caption {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--silver);
}

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

/* ---------- 版本更新 ---------- */
.page-news .news-release__media {
  margin: 0 0 22px;
}

.page-news .release-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .release-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .release-row__ver {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--grass);
  padding-top: 2px;
}

.page-news .release-row p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(27, 32, 38, .8);
}

.page-news .news-release__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(27, 32, 38, .68);
}

.page-news .news-release__note a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .news-release__note a:hover {
  color: var(--grass-deep);
}

/* ---------- 订阅与投稿 ---------- */
.page-news .news-sub h2 {
  margin: 8px 0 14px;
  font-size: clamp(23px, 5.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -.02em;
}

.page-news .news-sub p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(27, 32, 38, .82);
}

.page-news .news-sub__mail {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--grass-deep);
  word-break: break-all;
}

.page-news .news-sub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 14px;
}

.page-news .news-sub__note {
  font-size: 11.5px;
  letter-spacing: .05em;
  color: rgba(27, 32, 38, .6);
  margin: 0;
}

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

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-news .news-filters {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-item {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 26px;
    padding: 22px 0;
  }

  .page-news .news-item--key {
    padding-left: 18px;
  }

  .page-news .news-item__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-news .news-item--key .news-item__title {
    font-size: 21px;
  }

  .page-news .release-row {
    grid-template-columns: 76px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: 26px;
  }

  .page-news .news-hero__frame {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-news .news-hero__media {
    order: 2;
    aspect-ratio: auto;
    height: 100%;
    min-height: 440px;
  }

  .page-news .news-hero__scrim {
    background: linear-gradient(255deg, rgba(16, 20, 24, .12) 0%, rgba(16, 20, 24, .55) 42%, rgba(16, 20, 24, .94) 100%);
  }

  .page-news .news-hero__content {
    order: 1;
    padding: 44px 34px 38px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news .news-hero__tag {
    left: auto;
    right: 18px;
    bottom: 18px;
  }

  .page-news .news-topics__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .topic-band {
    padding: 30px 26px;
  }

  .page-news .topic-band + .topic-band {
    border-top: 0;
    border-left: 1px solid var(--line-dark);
  }

  .page-news .news-release__media {
    margin-bottom: 0;
  }

  .page-news .news-sub__figure {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-scale__tick {
    transition: none;
  }
}
