.page-news {
  background: var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .news-crumb {
  padding-top: clamp(18px, 2.6vw, 28px);
  padding-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 960px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.82fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }
}

.page-news .news-hero-copy {
  min-width: 0;
}

.page-news .news-hero-title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.5rem, 7.2vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin: 0 0 0.42em;
  color: var(--text);
}

.page-news .news-hero-title strong {
  font-weight: 700;
  color: var(--cyan);
}

.page-news .news-hero-lead {
  margin: 0;
  max-width: 58ch;
  color: var(--text-muted);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .news-hero-side {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .news-hero-side .panel-index {
  margin: 0;
}

.page-news .cadence-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .cadence-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
}

.page-news .cadence-item {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-news .cadence-key {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .cadence-val {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 主体骨架 ---------- */

.page-news .news-shell {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
}

@media (min-width: 1000px) {
  .page-news .news-shell {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

/* ---------- 左侧栏目 ---------- */

.page-news .news-rail {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-news .rail-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.page-news .rail-index {
  font-size: 12px;
  color: var(--cyan);
}

.page-news .filter-set {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .filter-item:hover {
  background: var(--ink-800);
  color: var(--text);
}

.page-news .filter-item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .filter-item[data-state="active"] {
  background: var(--ink-700);
  border-color: var(--cyan-dim);
  color: var(--text);
}

.page-news .filter-index {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

.page-news .filter-item[data-state="active"] .filter-index {
  color: var(--cyan);
}

.page-news .rail-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: var(--ink-850);
  padding: 16px;
}

.page-news .rail-card-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .rail-card-text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (min-width: 1000px) {
  .page-news .news-rail {
    position: sticky;
    top: 104px;
  }

  .page-news .filter-set {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .page-news .filter-item {
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 12px 10px;
    background: transparent;
  }

  .page-news .filter-item:hover {
    background: var(--ink-800);
  }

  .page-news .filter-item[data-state="active"] {
    background: var(--ink-700);
    border-bottom-color: var(--line);
    box-shadow: inset 2px 0 0 var(--cyan);
  }
}

/* ---------- 信息流 ---------- */

.page-news .news-feed {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  min-width: 0;
}

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

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0;
  font-size: 0.75rem;
}

.page-news .news-time {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

/* 头条 */

.page-news .news-lead {
  display: grid;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-news .news-lead:hover {
  border-color: var(--cyan-dim);
}

.page-news .news-lead-media {
  margin: 0;
  aspect-ratio: 3 / 2;
}

.page-news .news-lead-body {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 3vw, 34px);
}

.page-news .news-lead-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.18;
  color: var(--text);
  transition: text-decoration-color 0.2s var(--ease);
}

.page-news .news-lead:hover .news-lead-title {
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.page-news .news-lead-text {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news .news-points {
  list-style: none;
  margin: 2px 0 0;
  padding: 14px 0 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
}

.page-news .news-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-news .news-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

@media (min-width: 880px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-lead-media {
    aspect-ratio: auto;
    min-height: 340px;
  }
}

/* 列表条目 */

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  display: grid;
  gap: clamp(14px, 2.4vw, 26px);
  padding: clamp(20px, 3vw, 28px) clamp(12px, 1.8vw, 20px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-news .news-item:hover {
  background: var(--ink-850);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-news .news-item-body {
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.page-news .news-item-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.1vw, 1.35rem);
  line-height: 1.3;
  color: var(--text);
  transition: text-decoration-color 0.2s var(--ease);
}

.page-news .news-item:hover .news-item-title {
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-news .news-item-text {
  margin: 0;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news .news-item-media {
  margin: 0;
  aspect-ratio: 3 / 2;
}

@media (min-width: 780px) {
  .page-news .news-item--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.56fr);
    align-items: start;
  }
}

/* ---------- 专题系列 ---------- */

.page-news .news-series {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  padding-top: clamp(8px, 2vw, 18px);
}

.page-news .series-head {
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-news .series-index {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .series-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .series-note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .series-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .series-card {
  display: grid;
  gap: 10px;
  align-content: start;
  background: var(--ink-900);
  padding: clamp(20px, 2.6vw, 28px);
  transition: background-color 0.25s var(--ease);
}

.page-news .series-card:hover {
  background: var(--ink-800);
}

.page-news .series-num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-faint);
}

.page-news .series-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.page-news .series-card-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 延伸入口 ---------- */

.page-news .news-next {
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 28px);
}

.page-news .news-next-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .next-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 720px) {
  .page-news .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .next-link {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--ink-800);
  color: var(--text);
  text-decoration: none;
  transition: background-color 0.22s var(--ease);
}

.page-news .next-link:hover {
  background: var(--ink-700);
}

.page-news .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .next-index {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .next-label {
  font-size: 0.9375rem;
  font-weight: 700;
}

.page-news .next-desc {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-item,
  .page-news .news-lead,
  .page-news .news-item,
  .page-news .series-card,
  .page-news .next-link {
    transition: none;
  }
}