.page-news {
  --news-line: 1.5px solid var(--forest);
  --news-dash: 1px dashed rgba(18, 59, 42, 0.28);
  --news-ink-soft: #3a423b;
  background-color: var(--paper);
  color: var(--ink);
}

.page-news .crumbs {
  margin-bottom: 1rem;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  display: grid;
  gap: 1.5rem;
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
  border-bottom: var(--news-line);
}

.page-news .news-masthead__eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--kiwi-deep);
}

.page-news .news-masthead h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2.1rem, 7vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--forest);
}

.page-news .news-masthead__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-news .news-masthead__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding-top: 0.9rem;
  border-top: var(--news-dash);
}

.page-news .fact__k {
  margin: 0 0 0.25rem;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .fact__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--forest);
  font-variant-numeric: tabular-nums;
}

.page-news .fact__v .num {
  display: block;
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--kiwi-deep);
}

/* ---------- 布局骨架 ---------- */
.page-news .news-layout,
.page-news .news-main,
.page-news .news-rail {
  display: grid;
  min-width: 0;
}

.page-news .news-layout {
  gap: 2rem;
}

.page-news .news-main {
  gap: 1.75rem;
}

.page-news .news-rail {
  gap: 1.25rem;
  align-content: start;
}

/* ---------- 分类翻页 ---------- */
.page-news .cat-track {
  min-width: 0;
}

.page-news .cat-track__eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-news .cat-track__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.4rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.7rem;
  border: var(--news-line);
  background: #fff;
  color: var(--forest);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .cat-chip__idx {
  font-size: 0.66rem;
  color: var(--kiwi-deep);
}

.page-news .cat-chip__n {
  font-size: 0.66rem;
  color: var(--sage);
}

.page-news .cat-chip:hover,
.page-news .cat-chip:focus-visible {
  background: var(--turf);
  transform: translateY(-2px);
}

/* ---------- 置顶专题 ---------- */
.page-news .feature-card {
  display: grid;
  overflow: hidden;
  border: var(--news-line);
  background: #fff;
  box-shadow: var(--shadow-step);
}

.page-news .feature-card__media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-bottom: var(--news-line);
}

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

.page-news .media img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .feature-card__media .media__tag {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--yolk);
  color: var(--forest);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--forest);
}

.page-news .feature-card__media .media__cap {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  margin: 0;
  padding: 0.22rem 0.5rem;
  background: rgba(18, 59, 42, 0.85);
  color: var(--paper);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.page-news .feature-card__body {
  display: grid;
  gap: 0.8rem;
  align-content: start;
  padding: 1.25rem 1.1rem 1.5rem;
}

.page-news .feature-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.page-news .feature-card__meta .label {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .feature-card h2 {
  margin: 0;
  font-size: clamp(1.28rem, 3.4vw, 1.72rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--forest);
}

.page-news .feature-card__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .feature-card__points {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feature-card__points li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--forest);
}

.page-news .feature-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--kiwi);
}

.page-news .feature-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-top: 0.2rem;
}

/* ---------- 更新列表 ---------- */
.page-news .feed__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding-bottom: 0.75rem;
  border-bottom: var(--news-line);
}

.page-news .feed__head h2 {
  margin: 0;
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--forest);
}

.page-news .feed__count {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-news .feed__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 1.1rem 0.3rem 1.1rem 0;
  border-bottom: var(--news-dash);
  scroll-margin-top: 5.5rem;
  transition: background-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .feed-item:hover {
  background: rgba(220, 235, 207, 0.55);
  padding-left: 0.6rem;
}

.page-news .feed-item__idx {
  padding-left: 0.45rem;
  border-left: 3px solid var(--kiwi);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--kiwi-deep);
  font-variant-numeric: tabular-nums;
}

.page-news .feed-item__body {
  min-width: 0;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.3rem;
}

.page-news .feed-item__time {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .feed-item__title {
  margin: 0 0 0.32rem;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 700;
  color: var(--forest);
}

.page-news .feed-item__sum {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--news-ink-soft);
}

.page-news .feed-item__media {
  position: relative;
  max-width: 380px;
  margin: 0.85rem 0 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: var(--news-line);
}

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

/* ---------- 侧栏 ---------- */
.page-news .rail-block {
  padding: 1.1rem 1rem 1.25rem;
  border: var(--news-line);
  background: #fff;
}

.page-news .rail-block__title {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--forest);
}

.page-news .rail-block__note {
  margin: 0 0 0.9rem;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--sage);
}

.page-news .rail-block--version {
  background: var(--forest);
  box-shadow: var(--shadow-step);
}

.page-news .rail-block--version .rail-block__title {
  color: #fff;
}

.page-news .rail-block--version .rail-block__note {
  color: var(--mint);
}

.page-news .version-list {
  display: grid;
  gap: 0.1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.1rem 0.55rem;
  padding: 0.65rem 0;
  border-top: 1px solid rgba(247, 244, 234, 0.18);
}

.page-news .version-item__no {
  padding-top: 0.12rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--yolk);
  font-variant-numeric: tabular-nums;
}

.page-news .version-item__link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-news .version-item__link:hover,
.page-news .version-item__link:focus-visible {
  border-bottom-color: var(--yolk);
}

.page-news .version-item__desc {
  margin: 0.15rem 0 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--mint);
}

.page-news .rail-block__media {
  position: relative;
  margin: 1rem 0 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(247, 244, 234, 0.35);
}

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

.page-news .rail-block--save {
  background: var(--turf);
}

.page-news .rail-block--save p {
  margin: 0 0 0.8rem;
  font-size: 0.84rem;
  line-height: 1.72;
  color: #263b2c;
}

.page-news .rail-block--save .rail-block__media {
  max-width: 220px;
  aspect-ratio: 1 / 1;
  border: var(--news-line);
}

.page-news .rail-block__actions {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-masthead {
    grid-template-columns: minmax(0, 1fr) 13rem;
    align-items: start;
    gap: 2rem;
  }

  .page-news .news-masthead__facts {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding-top: 0;
    padding-left: 1rem;
    border-top: 0;
    border-left: var(--news-dash);
  }

  .page-news .fact__v .num {
    display: inline;
    margin-right: 0.15rem;
    font-size: 1.15rem;
  }
}

@media (min-width: 940px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 17.5rem;
    gap: 2.25rem;
  }
}

@media (min-width: 1120px) {
  .page-news .news-main {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    grid-template-areas:
      "cats feature"
      "cats feed";
    align-items: start;
    column-gap: 1.85rem;
    row-gap: 1.85rem;
  }

  .page-news .cat-track {
    grid-area: cats;
    position: sticky;
    top: 5.5rem;
  }

  .page-news .cat-track__list {
    flex-direction: column;
    gap: 0.4rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .cat-chip {
    width: 100%;
    justify-content: space-between;
    white-space: normal;
  }

  .page-news .cat-chip:hover,
  .page-news .cat-chip:focus-visible {
    transform: translateX(3px);
  }

  .page-news .feature {
    grid-area: feature;
  }

  .page-news .feed {
    grid-area: feed;
  }

  .page-news .feature-card {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .feature-card__media {
    aspect-ratio: auto;
    min-height: 100%;
    border-bottom: 0;
    border-right: var(--news-line);
  }

  .page-news .feature-card__body {
    padding: 1.6rem 1.5rem 1.75rem;
  }

  .page-news .feed-item:nth-child(even) {
    padding-left: 1.75rem;
  }

  .page-news .feed-item__title {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-chip,
  .page-news .feed-item,
  .page-news .version-item__link {
    transition: none;
  }

  .page-news .cat-chip:hover,
  .page-news .cat-chip:focus-visible,
  .page-news .feed-item:hover {
    transform: none;
  }
}