.page-news {
  --news-rail-w: 158px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: calc(var(--header-h) + 22px) 0 34px;
}

.page-news .news-hero-shell {
  position: relative;
  padding: clamp(20px, 3.4vw, 44px);
  border: 1px solid var(--hair-strong);
  border-radius: calc(var(--radius) * 1.5);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(53, 227, 196, .14), transparent 58%),
    linear-gradient(168deg, rgba(18, 49, 42, .88), rgba(6, 17, 15, .96));
  overflow: hidden;
}

.page-news .news-hero-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--hair) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(180deg, var(--hair) 0 1px, transparent 1px 68px);
  opacity: .55;
  pointer-events: none;
}

.page-news .news-hero-shell::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 3px;
  background: var(--cyan);
}

.page-news .news-hero-shell .breadcrumb {
  position: relative;
  z-index: 1;
}

.page-news .news-hero-body {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  margin-top: clamp(24px, 4vw, 46px);
}

.page-news .news-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-news .news-eyebrow-rule {
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--paper);
  max-width: 17ch;
}

.page-news .news-hero-lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--muted);
}

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

.page-news .news-score {
  padding: 20px 20px 16px;
  border-radius: var(--radius);
}

.page-news .news-score-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .news-score-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-score-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--hair-strong);
}

.page-news .news-score-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .news-score-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--muted);
}

/* ---------- 通用章节小注 ---------- */
.page-news .news-head-note {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 情报流 ---------- */
.page-news .news-feed {
  padding-top: clamp(48px, 7vw, 82px);
}

.page-news .feed-layout {
  display: grid;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .feed-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--orange);
}

.page-news .feed-rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feed-rail-link {
  display: block;
  padding: 5px 11px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--muted);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-news .feed-rail-link:hover,
.page-news .feed-rail-link.is-current {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .feed-stream {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .feed-item {
  position: relative;
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--hair);
  transition: background-color .18s var(--ease);
}

.page-news .feed-item:nth-child(3n + 1) .feed-card {
  padding: 20px 20px 18px;
}

.page-news .feed-card {
  padding: 15px 18px;
  border-radius: var(--radius-sm);
}

.page-news .feed-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .feed-time {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-14);
  letter-spacing: .02em;
  color: var(--cyan-soft);
  min-width: 66px;
}

.page-news .feed-headline {
  flex: 1 1 220px;
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--paper);
}

.page-news .feed-detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--hair-strong);
}

.page-news .feed-detail p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-news .feed-card[open] {
  border-color: var(--hair-strong);
  box-shadow: 0 0 0 1px rgba(53, 227, 196, .22);
}

/* ---------- 标签墙 ---------- */
.page-news .news-tagwall {
  position: relative;
  padding: clamp(48px, 7vw, 84px) 0;
  margin-top: clamp(40px, 6vw, 72px);
  background: var(--ink-2);
  overflow: hidden;
}

.page-news .tag-wall {
  position: relative;
}

.page-news .tag-wall-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
}

.page-news .tag-wall-inner {
  position: relative;
  z-index: 1;
}

.page-news .tag-wall-grid {
  display: grid;
  gap: 26px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .tag-group {
  padding-top: 16px;
  border-top: 1px solid var(--hair-strong);
}

.page-news .tag-group-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
}

.page-news .tag-key {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-22);
  color: var(--paper);
}

.page-news .tag-key-sub {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-list .tag {
  cursor: pointer;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease);
}

.page-news .tag-list .tag:hover {
  transform: translateY(-1px);
}

.page-news .tag-list .tag[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--cyan);
}

/* ---------- 集锦流 ---------- */
.page-news .news-clips {
  padding-top: clamp(48px, 7vw, 84px);
}

.page-news .clip-band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
}

.page-news .clip-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  background: var(--glass);
}

.page-news .clip-btn {
  padding: 7px 22px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-14);
  letter-spacing: .04em;
  color: var(--muted);
  cursor: pointer;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.page-news .clip-btn.is-on,
.page-news .clip-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
}

.page-news .clip-band-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--muted);
}

.page-news .clip-track {
  display: flex;
  gap: 16px;
  margin: 22px 0 0;
  padding: 4px var(--pad) 22px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .clip-card {
  flex: 0 0 min(84vw, 360px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  border: 1px solid var(--hair-strong);
  background: linear-gradient(178deg, rgba(18, 49, 42, .82), rgba(6, 17, 15, .92));
  overflow: hidden;
}

.page-news .clip-card .media-frame {
  border-radius: 0;
}

.page-news .clip-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 20px;
}

.page-news .clip-body--flat {
  padding-top: 20px;
}

.page-news .clip-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
}

.page-news .clip-dur {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-22);
  letter-spacing: -.01em;
  color: var(--orange);
}

.page-news .clip-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-22);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .clip-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 专题与回看 ---------- */
.page-news .news-topics {
  padding: clamp(48px, 7vw, 84px) 0;
  background: var(--ink-2);
}

.page-news .topic-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .topic-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 24px;
}

.page-news .topic-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--orange);
}

.page-news .topic-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .topic-desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .topic-meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan-soft);
}

/* ---------- 订阅与追更 ---------- */
.page-news .news-follow {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-news .follow-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 40px);
}

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

.page-news .follow-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-news .follow-step-no {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--hair-strong);
  border-radius: 8px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--fs-22);
  color: var(--cyan);
}

.page-news .follow-step-text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .follow-demo {
  padding: 22px;
  border-radius: var(--radius);
  border-top: 3px solid var(--cyan);
}

.page-news .follow-demo-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .follow-demo-text {
  margin: 0 0 12px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--paper);
}

.page-news .follow-demo-back {
  margin-top: 8px;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-news .tag-wall-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 34px;
  }

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

  .page-news .topic-card--lead {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .topic-card--lead .media-frame {
    flex: 0 0 42%;
  }

  .page-news .topic-card--lead .topic-body {
    flex: 1;
    padding: 26px 28px 28px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: calc(var(--header-h) + 34px);
  }

  .page-news .news-hero-body {
    grid-template-columns: minmax(0, 1.5fr) minmax(270px, .8fr);
    align-items: end;
    gap: 48px;
  }

  .page-news .news-score-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .feed-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .feed-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-news .feed-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    padding-left: 14px;
    border-left: 1px solid var(--hair-strong);
  }

  .page-news .feed-rail-link {
    display: inline-block;
    margin-bottom: 10px;
    padding: 2px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    letter-spacing: .06em;
  }

  .page-news .feed-rail-link:hover {
    color: var(--cyan-soft);
    background: transparent;
  }

  .page-news .feed-rail-link.is-current {
    color: var(--cyan);
    background: transparent;
    box-shadow: none;
  }

  .page-news .tag-wall-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .clip-card {
    flex: 0 0 320px;
  }

  .page-news .topic-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .page-news .topic-card--lead {
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
  }

  .page-news .topic-card--lead .media-frame {
    flex: 0 0 auto;
  }

  .page-news .topic-card--lead .topic-body {
    flex: 1;
    padding: 22px 24px 26px;
  }

  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, .85fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tag-list .tag,
  .page-news .feed-rail-link,
  .page-news .clip-btn {
    transition: none;
  }

  .page-news .tag-list .tag:hover {
    transform: none;
  }
}