.page-news {
  --news-hair: 2px solid var(--c-line);
  --news-hair-neon: 2px solid var(--c-neon);
  padding-bottom: var(--sp-5);
}

/* 面包屑 */
.page-news .news-crumbs {
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-1);
}

/* 顶部横幅 */
.page-news .news-banner {
  padding: var(--sp-2) 0 var(--sp-4);
}

.page-news .news-banner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  align-items: start;
}

.page-news .news-banner__lead {
  position: relative;
  padding-left: 14px;
  border-left: var(--news-hair-neon);
}

.page-news .news-banner__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 44px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-news .news-banner__sub {
  display: block;
  margin-bottom: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-neon);
}

.page-news .news-banner__lede {
  max-width: 640px;
  color: var(--c-white);
}

.page-news .news-banner__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--sp-3);
  border: var(--news-hair);
  background: var(--c-line);
}

.page-news .news-banner__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  background: var(--c-panel);
}

.page-news .news-banner__stats .stat__value {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--c-neon);
}

.page-news .news-banner__stats .stat__label {
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--c-mute);
}

.page-news .news-banner__figure {
  margin: 0;
  border: var(--news-hair);
  box-shadow: var(--shadow-hard);
  background: var(--c-panel);
}

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

.page-news .news-banner__figure .media-frame__cap {
  padding: 8px 12px;
  border-top: var(--news-hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

/* 专栏索引 */
.page-news .news-cols {
  padding-top: var(--sp-4);
}

.page-news .news-cols__head {
  max-width: 720px;
}

.page-news .news-cols__lede {
  color: var(--c-mute);
}

.page-news .topic-track {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  padding: 4px 0 16px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-news .topic-track::-webkit-scrollbar-thumb {
  background: var(--c-line);
}

.page-news .topic-card {
  position: relative;
  flex: 0 0 258px;
  scroll-snap-align: start;
  margin: 0;
  padding: 18px 16px 16px;
  border: var(--news-hair);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  border-color: var(--c-neon);
  transform: translate(-2px, -2px);
}

.page-news .topic-card .panel__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-neon);
}

.page-news .topic-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  line-height: 1.25;
  color: var(--c-white);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-mute);
}

/* 最新条目 + 侧栏 */
.page-news .news-latest {
  padding-top: var(--sp-4);
}

.page-news .news-latest__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}

.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: entry;
  border-bottom: var(--news-hair);
}

.page-news .entry-list__item {
  counter-increment: entry;
  position: relative;
  padding: 18px 0 18px 34px;
  border-top: var(--news-hair);
}

.page-news .entry-list__item::before {
  content: counter(entry, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-safe);
}

.page-news .entry-list__item:nth-child(odd) {
  padding-right: 0;
}

.page-news .entry-list__item:nth-child(even) {
  padding-right: 20px;
}

.page-news .entry-list__item:hover::before,
.page-news .entry-list__item:focus-within::before {
  color: var(--c-neon);
}

.page-news .entry-list__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .entry-list__tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--c-neon);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-neon);
}

.page-news .entry-list__time {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

.page-news .entry-list__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-white);
}

.page-news .entry-list__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: var(--news-hair);
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  color: var(--c-mute);
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-news .entry-list__trigger:hover,
.page-news .entry-list__trigger[aria-expanded="true"] {
  border-color: var(--c-neon);
  color: var(--c-neon);
}

.page-news .entry-list__trigger .expand__sign {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1;
}

.page-news .entry-list__panel {
  margin-top: 12px;
  padding: 14px 16px;
  border-left: var(--news-hair-neon);
  background: var(--c-panel);
}

.page-news .entry-list__panel p {
  margin: 0;
  max-width: 680px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-mute);
}

/* 侧栏更新节奏 */
.page-news .rhythm-card {
  padding: 20px 18px;
  border: var(--news-hair-neon);
  background: var(--c-panel);
  box-shadow: var(--shadow-neon);
}

.page-news .rhythm-card .panel__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-news .rhythm-card__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-white);
}

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

.page-news .rhythm-card__list li {
  padding: 12px 0;
  border-top: 1px solid var(--c-line);
}

.page-news .rhythm-card__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .rhythm-card__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-neon-soft);
}

.page-news .rhythm-card__list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-mute);
}

.page-news .rhythm-card__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-mute);
}

.page-news .rhythm-card__foot a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 专题合集 */
.page-news .news-sets {
  padding-top: var(--sp-5);
}

.page-news .news-sets__head {
  max-width: 720px;
}

.page-news .news-sets__lede {
  color: var(--c-mute);
}

.page-news .news-sets__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.page-news .set-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  border: var(--news-hair);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.page-news .set-card:hover,
.page-news .set-card:focus-within {
  border-color: var(--c-neon);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-neon);
}

.page-news .set-card__figure {
  margin: 0;
  border-bottom: var(--news-hair);
  background: var(--c-ink);
}

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

.page-news .set-card__figure .media-frame__cap {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

.page-news .set-card__body {
  flex: 1 1 auto;
  padding: 18px 16px 16px;
}

.page-news .set-card__body .panel__idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-neon);
}

.page-news .set-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-white);
}

.page-news .set-card__desc {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-mute);
}

.page-news .set-card__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

/* 版本手记 */
.page-news .news-version {
  padding-top: var(--sp-5);
}

.page-news .news-version__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  align-items: center;
}

.page-news .news-version__figure {
  margin: 0;
  border: var(--news-hair);
  box-shadow: var(--shadow-hard);
  background: var(--c-panel);
}

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

.page-news .news-version__figure .media-frame__cap {
  padding: 8px 12px;
  border-top: var(--news-hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-mute);
}

.page-news .news-version__body .prose {
  margin: 12px 0 0;
  color: var(--c-mute);
}

.page-news .news-version__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--sp-3);
}

/* 互动号召 */
.page-news .news-callout {
  padding-top: var(--sp-5);
}

.page-news .news-callout__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  padding: 24px 20px;
  border: var(--news-hair-neon);
  background: var(--c-ink);
}

.page-news .news-callout__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 900;
  line-height: 1.15;
  color: var(--c-white);
}

.page-news .news-callout__desc {
  margin: 0;
  max-width: 660px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-mute);
}

.page-news .news-callout__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* 回到顶部 */
.page-news .news-backtop-wrap {
  display: flex;
  justify-content: flex-end;
  padding: var(--sp-4) 16px 0;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-news .news-backtop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: var(--news-hair);
  background: var(--c-panel);
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1;
  color: var(--c-neon);
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.page-news .news-backtop:hover,
.page-news .news-backtop:focus-visible {
  border-color: var(--c-neon);
  box-shadow: var(--shadow-neon);
  transform: translate(-2px, -2px);
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-news .news-banner__title {
    font-size: var(--fs-64);
  }

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

  .page-news .news-callout__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 26px;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-news .news-banner__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--sp-4);
  }

  .page-news .news-banner__title {
    font-size: 76px;
  }

  .page-news .topic-card {
    flex-basis: 300px;
  }

  .page-news .news-latest__layout {
    grid-template-columns: minmax(0, 1fr) 336px;
    gap: var(--sp-4);
    align-items: start;
  }

  .page-news .news-latest__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .entry-list__item:nth-child(even) {
    padding-right: 56px;
  }

  .page-news .entry-list__title {
    font-size: var(--fs-28);
  }

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

  .page-news .news-version__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--sp-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .set-card,
  .page-news .news-backtop {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-within,
  .page-news .set-card:hover,
  .page-news .set-card:focus-within,
  .page-news .news-backtop:hover,
  .page-news .news-backtop:focus-visible {
    transform: none;
  }
}