.page-news {
  --news-gap: clamp(14px, 2.2vw, 26px);
  --news-thumb: 84px;
  --news-railpad: max(var(--ls-pad), 6vw);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-hero__title {
  margin: 10px 0 14px;
  max-width: 15em;
}

.page-news .news-hero__lede {
  max-width: 42ch;
  color: var(--ls-white);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-news .news-hero__stats li {
  border: 2px solid var(--ls-line);
  background: var(--ls-forest);
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .news-stat {
  font-size: clamp(20px, 4.4vw, 28px);
  line-height: 1;
  color: var(--ls-cyan);
}

.page-news .news-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ls-grey);
}

.page-news .news-hero__media {
  margin: 0;
  border: 2px solid var(--ls-line);
  background: var(--ls-forest);
  box-shadow: var(--ls-shadow);
  overflow: hidden;
}

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

.page-news .news-hero__caption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--ls-grey);
  border-top: 2px solid var(--ls-line);
  font-family: var(--ls-font-mono);
}

/* ---------- 通用小节头 ---------- */
.page-news .news-sechead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  border-bottom: 2px solid var(--ls-line);
  padding-bottom: 14px;
}

.page-news .news-sechead .ls-h2 {
  margin: 0;
}

.page-news .news-sechead__note {
  margin: 0;
  font-size: 13px;
  color: var(--ls-grey);
}

/* ---------- 专题封面条 ---------- */
.page-news .news-rail {
  display: flex;
  gap: var(--news-gap);
  margin-top: 22px;
  padding: 4px var(--news-railpad) 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--ls-line) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-rail::-webkit-scrollbar-track {
  background: var(--ls-grid);
}

.page-news .news-rail::-webkit-scrollbar-thumb {
  background: var(--ls-cyan);
}

.page-news .news-rail__card {
  flex: 0 0 auto;
  width: min(78vw, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  background: var(--ls-forest);
  border: 2px solid var(--ls-line);
  box-shadow: var(--ls-shadow-sm);
  transition: border-color var(--ls-t), background var(--ls-t);
}

.page-news .news-rail__card:hover,
.page-news .news-rail__card:focus-within {
  background: var(--ls-carbon);
  border-color: var(--ls-cyan);
}

.page-news .news-rail__idx {
  font-size: 26px;
  line-height: 1;
  color: var(--ls-cyan);
  border-bottom: 2px solid var(--ls-line);
  padding-bottom: 10px;
}

.page-news .news-rail__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--ls-white);
}

.page-news .news-rail__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-grey);
}

.page-news .news-rail__meta {
  list-style: none;
  margin: auto 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--ls-grid);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--ls-font-mono);
  font-size: 12px;
  color: var(--ls-orange);
}

/* ---------- 分类与条目列表 ---------- */
.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 8px;
}

.page-news .news-chips .ls-chip {
  text-decoration: none;
}

.page-news .news-group {
  margin-top: 34px;
  scroll-margin-top: 90px;
}

.page-news .news-group__title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ls-white);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-group__count {
  font-size: 12px;
  color: var(--ls-lake);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: newsrow;
  border-top: 2px solid var(--ls-line);
}

.page-news .news-item {
  counter-increment: newsrow;
  display: grid;
  grid-template-columns: var(--news-thumb) minmax(0, 1fr);
  gap: 12px 16px;
  padding: 16px 12px 16px 0;
  border-bottom: 2px solid var(--ls-line);
  transition: background var(--ls-t), padding-left var(--ls-t);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--ls-forest);
  padding-left: 12px;
}

.page-news .news-item__thumb {
  width: var(--news-thumb);
  height: var(--news-thumb);
  border: 2px solid var(--ls-line);
  background: linear-gradient(135deg, var(--ls-forest) 0 52%, var(--ls-grid) 52% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--ls-t), background var(--ls-t);
}

.page-news .news-item:hover .news-item__thumb {
  border-color: var(--ls-cyan);
  background: linear-gradient(135deg, var(--ls-forest) 0 52%, var(--ls-line) 52% 100%);
}

.page-news .news-item__idx::before {
  content: counter(newsrow, decimal-leading-zero);
  font-family: var(--ls-font-mono);
  font-size: 20px;
  color: var(--ls-lake);
  transition: color var(--ls-t);
}

.page-news .news-item:hover .news-item__idx::before {
  color: var(--ls-cyan);
}

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

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ls-white);
}

.page-news .news-item__desc {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-grey);
  max-width: 46ch;
}

.page-news .news-item__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.page-news .news-item__time {
  font-size: 12px;
  color: var(--ls-orange);
}

/* ---------- 版本与功能 ---------- */
.page-news .news-version__grid,
.page-news .news-data__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-version__text .ls-h2,
.page-news .news-data__text .ls-h2 {
  margin: 8px 0 14px;
}

.page-news .news-version__text .ls-prose,
.page-news .news-data__text .ls-prose {
  margin: 0 0 20px;
  color: var(--ls-grey);
}

.page-news .news-facts {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-facts li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 2px solid var(--ls-line);
  background: var(--ls-carbon);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ls-white);
}

.page-news .news-facts .ls-tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-news .news-shot {
  margin: 0;
  border: 2px solid var(--ls-line);
  background: var(--ls-forest);
  box-shadow: var(--ls-shadow);
  overflow: hidden;
}

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

.page-news .news-shot--left img {
  aspect-ratio: 3 / 2;
}

/* ---------- 数据观察维度 ---------- */
.page-news .news-dims {
  margin: 0 0 22px;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ls-line);
}

.page-news .news-dim {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--ls-line);
}

.page-news .news-dim dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--ls-cyan);
  letter-spacing: 0.04em;
}

.page-news .news-dim dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-grey);
}

/* ---------- 使用步骤 ---------- */
.page-news .news-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-step {
  position: relative;
  border: 2px solid var(--ls-line);
  background: var(--ls-forest);
  padding: 20px 18px 18px;
  box-shadow: var(--ls-shadow-sm);
  transition: border-color var(--ls-t), transform var(--ls-t);
}

.page-news .news-step:hover {
  border-color: var(--ls-lake);
}

.page-news .news-step__num {
  display: block;
  font-size: 22px;
  line-height: 1;
  color: var(--ls-orange);
  margin-bottom: 10px;
}

.page-news .news-step__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ls-white);
}

.page-news .news-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ls-grey);
}

.page-news .news-guide__foot {
  margin: 24px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--ls-cyan);
  background: var(--ls-forest);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ls-white);
}

.page-news .news-guide__foot a {
  color: var(--ls-cyan);
  text-underline-offset: 3px;
}

/* ---------- 栏目与节奏 ---------- */
.page-news .news-rhythm__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-rhythm__text .ls-h2 {
  margin: 8px 0 18px;
}

.page-news .news-cols {
  margin: 0 0 24px;
  display: grid;
  gap: 12px;
}

.page-news .news-col {
  border: 2px solid var(--ls-line);
  border-left: 6px solid var(--ls-lake);
  background: var(--ls-carbon);
  padding: 14px 16px;
}

.page-news .news-col dt {
  font-size: 15px;
  font-weight: 700;
  color: var(--ls-white);
  margin-bottom: 6px;
}

.page-news .news-col dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-grey);
}

.page-news .news-rhythm__bars {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ls-line);
}

.page-news .news-rhythm__bars li {
  display: grid;
  grid-template-columns: minmax(72px, auto) minmax(0, 1fr);
  gap: 6px 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed var(--ls-grid);
}

.page-news .news-bar__key {
  font-size: 13px;
  color: var(--ls-orange);
}

.page-news .news-bar__val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ls-white);
}

/* ---------- 结尾 ---------- */
.page-news .news-cta__panel {
  display: grid;
  gap: 20px;
}

.page-news .news-cta__text .ls-h2 {
  margin: 0 0 12px;
}

.page-news .news-cta__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ls-grey);
  max-width: 46ch;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-version__grid,
  .page-news .news-data__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-news .news-data__grid .news-shot--left {
    order: -1;
  }

  .page-news .news-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .news-item {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-item__thumb {
    width: 108px;
    height: 108px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3vw, 44px);
    align-items: end;
  }

  .page-news .news-hero__media {
    margin-bottom: 6px;
  }

  .page-news .news-rail__card {
    width: 288px;
  }

  .page-news .news-version__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-news .news-data__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

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

  .page-news .news-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-cta__actions {
    justify-content: flex-end;
  }

  .page-news .news-item {
    grid-template-columns: 120px minmax(0, 1fr) minmax(120px, 180px);
    align-items: center;
    padding-right: 18px;
  }

  .page-news .news-item__thumb {
    width: 120px;
    height: 84px;
  }

  .page-news .news-item__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(150px, auto);
    grid-template-areas:
      "title time"
      "desc meta";
    gap: 6px 20px;
    align-items: start;
  }

  .page-news .news-item__title {
    grid-area: title;
    margin-bottom: 0;
  }

  .page-news .news-item__desc {
    grid-area: desc;
    margin-bottom: 0;
  }

  .page-news .news-item__meta {
    grid-area: meta;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail {
    scroll-behavior: auto;
  }

  .page-news .news-item,
  .page-news .news-step,
  .page-news .news-rail__card,
  .page-news .news-item__thumb,
  .page-news .news-item__idx::before {
    transition: none;
  }
}
</main>