.page-news {
  --news-sticky-top: 68px;
  --news-indent: var(--space-6);
}

/* ---------- 面包屑 ---------- */
.page-news .news-breadcrumb {
  margin-bottom: var(--space-4);
}

.page-news .news-breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-news .news-breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.page-news .news-breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.page-news .news-breadcrumb a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-news .news-breadcrumb [aria-current] {
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: var(--section-y-lg) var(--space-8);
  border-bottom: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-news .news-hero__title {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 12em;
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-news .news-stats {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
}

.page-news .news-stats__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-news .news-stats__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.page-news .news-stats__label {
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink-muted);
}

/* 首屏右侧：刻度 + 图 */
.page-news .news-hero__aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-news .news-gauge {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.page-news .news-gauge__row {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  padding-left: var(--space-3);
}

.page-news .news-gauge__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: var(--space-2);
  height: var(--border-thick);
  background: var(--color-line);
}

.page-news .news-gauge__row.is-now {
  color: var(--color-accent);
}

.page-news .news-gauge__row.is-now::before {
  background: var(--color-accent);
  width: var(--space-3);
}

.page-news .news-hero__fig {
  margin: 0;
  max-width: 200px;
}

.page-news .news-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 560 / 840;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
}

/* ---------- 条目流 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--news-sticky-top);
  z-index: 3;
  margin-block: var(--space-6) var(--space-4);
  padding-block: var(--space-2);
  background: var(--color-surface-alt);
  border-block: var(--border-thin) solid var(--color-line);
}

.page-news .news-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .news-filter__btn {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink-soft);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.page-news .news-filter__btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news .news-filter__btn.is-active {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-news .news-filter__btn:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-news .news-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-news .news-item {
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
  scroll-margin-top: 140px;
}

.page-news .news-item__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin-bottom: var(--space-2);
}

.page-news .news-item__no {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  min-width: 2.4em;
}

.page-news .news-item__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-1);
}

.page-news .news-item__when {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-left: auto;
}

.page-news .news-item__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--color-ink);
}

.page-news .news-item__desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 维护公告：全站唯一深底窄条 */
.page-news .news-item--notice {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-sm);
  padding-inline: var(--space-3);
  border-bottom-color: transparent;
}

.page-news .news-item--notice .news-item__title {
  color: var(--color-contrast-ink);
}

.page-news .news-item--notice .news-item__desc {
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-news .news-item--notice .news-item__no {
  color: var(--color-contrast-accent);
}

.page-news .news-item--notice .news-item__when {
  color: var(--color-contrast-accent);
}

.page-news .news-item--notice .news-item__tag {
  background: transparent;
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
}

/* ---------- 宽幅过渡图 ---------- */
.page-news .news-bridge {
  margin: 0;
  position: relative;
}

.page-news .news-bridge img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1140 / 420;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-news .news-bridge figcaption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  text-align: center;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

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

.page-news .news-series__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 480;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: var(--border-thick) solid var(--color-accent);
}

.page-news .news-series__item {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--news-indent);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-news .news-series__item:first-child {
  padding-top: 0;
}

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

.page-news .news-series__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-6);
  width: var(--space-3);
  height: var(--border-thin);
  background: var(--color-accent);
  opacity: 0.6;
}

.page-news .news-series__item:first-child::before {
  top: var(--space-2);
}

.page-news .news-series__no {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}

.page-news .news-series__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-news .news-series__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 52ch;
}

/* ---------- 两类条目对比 ---------- */
.page-news .news-versus__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-news .news-versus__col {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  padding: var(--space-4);
}

.page-news .news-versus__label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-news .news-versus__heading {
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-news .news-versus__fields {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.page-news .news-versus__fields dt {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}

.page-news .news-versus__fields dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 活动规则类条目 ---------- */
.page-news .news-rules__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

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

.page-news .news-rules__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-news .news-rules__row:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-news .news-rules__idx {
  font-size: var(--text-sm);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  width: 1.9em;
  height: 1.9em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-news .news-rules__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-news .news-rules__callout {
  background: var(--color-highlight);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
}

.page-news .news-rules__callout-label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-news .news-rules__callout-text {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-news .news-rules__link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
  padding-bottom: 2px;
}

.page-news .news-rules__link:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
  border-bottom-width: var(--border-thick);
}

/* ---------- 回溯 ---------- */
.page-news .news-archive {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-news .news-archive .section-head__title {
  color: var(--color-contrast-ink);
}

.page-news .news-archive .section-head__lead {
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-news .news-archive .eyebrow {
  color: var(--color-contrast-accent);
}

.page-news .news-archive__paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-news .news-archive__path a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no desc";
  column-gap: var(--space-3);
  row-gap: var(--space-1);
  align-items: baseline;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color 0.15s ease, border-width 0.15s ease;
}

.page-news .news-archive__path a:hover {
  border-color: var(--color-contrast-accent);
  border-width: var(--border-thick);
}

.page-news .news-archive__path a:focus-visible {
  outline: var(--border-thick) solid var(--color-contrast-accent);
  outline-offset: 2px;
}

.page-news .news-archive__path-no {
  grid-area: no;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-contrast-accent);
}

.page-news .news-archive__path-title {
  grid-area: title;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

.page-news .news-archive__path-desc {
  grid-area: desc;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-contrast-ink);
  opacity: 0.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-versus__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }

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

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-block: var(--section-y-lg) var(--section-y);
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-news .news-hero__aside {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: stretch;
  }

  .page-news .news-gauge {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: var(--space-6);
    padding-left: 0;
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-news .news-gauge__row {
    padding-left: var(--space-3);
  }

  .page-news .news-gauge__row::before {
    left: calc(var(--space-3) * -1);
    width: var(--space-3);
  }

  .page-news .news-gauge__row.is-now::before {
    width: calc(var(--space-3) + var(--space-1));
  }

  .page-news .news-hero__fig {
    max-width: none;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-news .news-series__fig {
    position: sticky;
    top: calc(var(--news-sticky-top) + var(--space-6));
  }

  .page-news .news-rules__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

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

@media (min-width: 1140px) {
  .page-news .news-hero__aside {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-filter__btn,
  .page-news .news-archive__path a,
  .page-news .news-breadcrumb a {
    transition: none;
  }
}