.page-news {
  --news-pad: 20px;
  --news-sticky: var(--topbar-h);
  padding-bottom: 88px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-news .news-top {
  padding-top: 24px;
}

.page-news .news-hero {
  padding-top: 22px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero .eyebrow {
  color: var(--signal);
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(1.85rem, 5.2vw, 3.1rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-hero__lead {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--text-2);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-faint);
}

.page-news .news-hero__fact {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
}

.page-news .news-hero__fact b {
  color: var(--signal);
  font-weight: 600;
}

/* ---------- 当季状态条（吸顶） ---------- */
.page-news .news-status {
  position: sticky;
  top: var(--news-sticky);
  z-index: 30;
  background: var(--wine);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-status__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-news .news-status__cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-news .news-status__key {
  font-size: 0.6875rem;
  line-height: 1.3;
  letter-spacing: 0.18em;
  color: rgba(230, 237, 236, 0.52);
}

.page-news .news-status__val {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  white-space: nowrap;
}

.page-news .news-status__val--signal {
  color: var(--signal);
}

.page-news .news-bar {
  grid-column: 1 / -1;
  position: relative;
  height: 2px;
  background: rgba(230, 237, 236, 0.16);
  overflow: hidden;
}

.page-news .news-bar__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 78%;
  background: var(--signal);
}

/* ---------- 分类切换 ---------- */
.page-news .news-filters {
  padding-top: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-faint);
}

.page-news .news-filters .filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-filters__chip {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-news .news-filters__chip[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--signal);
  border-color: var(--signal);
}

/* ---------- 专题视觉 ---------- */
.page-news .news-visual {
  margin: 32px 0 0;
}

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

/* ---------- 列表标题行 ---------- */
.page-news .news-listhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-listhead__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .news-listhead__count {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  border-bottom: 1px solid var(--line-faint);
}

.page-news .news-item {
  border-bottom: 1px solid var(--line-faint);
  transition: background-color 0.22s var(--ease);
}

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

.page-news .news-item[open] {
  background: var(--ink-800);
}

.page-news .news-item__sum {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 22px 4px 22px 16px;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
}

.page-news .news-item__sum::-webkit-details-marker {
  display: none;
}

.page-news .news-item__sum::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.28s var(--ease);
}

.page-news .news-item__sum:hover::before,
.page-news .news-item__sum:focus-visible::before,
.page-news .news-item[open] .news-item__sum::before {
  transform: scaleY(1);
}

.page-news .news-item__lead {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
}

.page-news .news-item__cat {
  align-self: flex-start;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.page-news .news-item__cat--topic {
  color: var(--signal);
  border-color: rgba(59, 240, 220, 0.38);
}

.page-news .news-item__cat--version {
  color: var(--away);
  border-color: rgba(79, 195, 247, 0.38);
}

.page-news .news-item__cat--league {
  color: var(--home);
  border-color: rgba(255, 122, 51, 0.38);
}

.page-news .news-item__cat--method {
  color: var(--text-2);
  border-color: var(--line-soft);
}

.page-news .news-item__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.42;
  color: var(--text);
  transition: color 0.22s var(--ease);
}

.page-news .news-item__sum:hover .news-item__title {
  color: var(--signal);
}

.page-news .news-item__excerpt {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-2);
  max-width: 68ch;
}

.page-news .news-item__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-item__meta-k {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--text-3);
}

.page-news .news-item__meta-v {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  color: var(--signal);
  white-space: nowrap;
}

.page-news .news-item__body {
  padding: 0 4px 26px 16px;
}

.page-news .news-item__body p {
  margin: 0;
  max-width: 66ch;
  padding-top: 18px;
  border-top: 1px solid var(--line-faint);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 本阶段看点 ---------- */
.page-news .news-summary {
  margin-top: 56px;
  padding: 28px 20px 30px;
  background: var(--ink-700);
  border-left: 2px solid var(--signal);
}

.page-news .news-summary .eyebrow {
  color: var(--signal);
}

.page-news .news-summary__title {
  margin: 12px 0 0;
  color: var(--text);
}

.page-news .news-summary__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-news .news-summary__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-2);
  max-width: 68ch;
}

.page-news .news-summary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

/* ---------- 深入区块 ---------- */
.page-news .news-deep {
  margin-top: 56px;
}

.page-news .news-deep--indigo {
  margin-top: 64px;
  padding: 32px 20px 36px;
  background: var(--indigo);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-deep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

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

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

.page-news .news-deep__text .eyebrow {
  color: var(--signal);
}

.page-news .news-deep__text .t-h2 {
  margin: 12px 0 0;
  color: var(--text);
}

.page-news .news-deep__text .prose {
  margin-top: 16px;
  max-width: 62ch;
  color: var(--text-2);
}

.page-news .news-deep__text .prose a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 220, 0.4);
}

.page-news .news-deep__text .prose a:hover {
  border-bottom-color: var(--signal);
}

/* ---------- 更新提示 ---------- */
.page-news .news-update {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-update .eyebrow {
  color: var(--signal);
}

.page-news .news-update__title {
  margin: 12px 0 0;
  color: var(--text);
  max-width: 24ch;
}

.page-news .news-update__text {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--text-2);
}

.page-news .news-update__text a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 220, 0.4);
}

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

.page-news .news-update__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news .news-status__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-news .news-item__sum {
    grid-template-columns: minmax(0, 1fr) 132px;
    gap: 28px;
    align-items: start;
    padding: 24px 8px 24px 20px;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    text-align: right;
  }

  .page-news .news-item__body {
    padding: 0 8px 28px 20px;
  }

  .page-news .news-summary {
    padding: 34px 36px 38px;
  }

  .page-news .news-deep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 40px;
  }

  .page-news .news-deep__grid--reverse .news-deep__media {
    order: 2;
  }

  .page-news .news-deep--indigo {
    padding: 44px 40px 48px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1080px) {
  .page-news .news-hero {
    padding-top: 34px;
    padding-bottom: 52px;
  }

  .page-news .news-visual {
    margin-top: 40px;
  }

  .page-news .news-listhead {
    margin-top: 56px;
  }

  .page-news .news-summary {
    margin-top: 64px;
  }

  .page-news .news-deep {
    margin-top: 72px;
  }

  .page-news .news-deep--indigo {
    margin-top: 80px;
  }

  .page-news .news-update {
    margin-top: 80px;
  }
}

/* ---------- 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__sum::before,
  .page-news .news-item__title,
  .page-news .news-item {
    transition: none;
  }
}