.page-news {
  --news-sticky: 60px;
  background: var(--ink);
  color: var(--ivory);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .news-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-news .news-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(26px, 4vw, 52px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
}

.page-news .news-hero__main .display {
  margin: 10px 0 14px;
  max-width: 18em;
}

.page-news .news-hero__main .lead {
  max-width: 34em;
  color: var(--celadon);
}

.page-news .hero-meta {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-news .hero-meta .annotation {
  margin: 0 0 10px;
  color: var(--gold);
  letter-spacing: 0.18em;
}

.page-news .hero-meta ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .hero-meta li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 13.5px;
  color: var(--celadon);
}

.page-news .hero-meta b {
  font-family: var(--font-narrow);
  font-size: 16px;
  font-weight: 500;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 主题带 */
.page-news .topic-band {
  position: relative;
}

.page-news .topic-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 6px 4px 20px 2px;
  scrollbar-width: thin;
}

.page-news .topic-band::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 22px;
  width: 42px;
  background: linear-gradient(to left, var(--ink), rgba(11, 11, 13, 0));
  pointer-events: none;
}

.page-news .topic-card {
  flex: 0 0 clamp(248px, 84%, 340px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .topic-card--lead {
  flex-basis: clamp(268px, 92%, 470px);
  border-color: var(--line);
}

.page-news .topic-card:hover {
  border-color: var(--line);
}

.page-news .topic-media {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  aspect-ratio: 12 / 7;
}

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

.page-news .topic-kicker {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-news .topic-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ivory);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--celadon);
}

.page-news .topic-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 13.5px;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .topic-link:hover,
.page-news .topic-link:focus-visible {
  color: var(--ivory);
  border-color: var(--gold);
}

.page-news .rail-controls {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 4px;
}

.page-news .rail-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gold-hi);
  font-size: 15px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .rail-btn:hover,
.page-news .rail-btn:focus-visible {
  background: rgba(201, 162, 39, 0.14);
  color: var(--ivory);
}

/* 筛选 */
.page-news .log-filters {
  position: sticky;
  top: var(--news-sticky);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 18px 0 6px;
  padding: 10px 0;
  background: rgba(11, 11, 13, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: none;
}

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

.page-news .filter-btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--celadon);
  font-family: var(--font-body);
  font-size: 13.5px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--ivory);
  border-color: var(--gold);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--grad-gold);
  border-color: transparent;
  color: #0B0B0D;
  font-weight: 600;
}

/* 记录列表 */
.page-news .log-list {
  border-top: 1px solid var(--line-soft);
}

.page-news .log-row {
  border-bottom: 1px solid var(--line-soft);
}

.page-news .log-row[open] {
  background: linear-gradient(180deg, rgba(20, 21, 26, 0.85), rgba(11, 11, 13, 0));
}

.page-news .log-summary {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 26px 16px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .log-summary::after {
  content: "→";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  color: var(--gold);
  opacity: 0.35;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .log-row:hover .log-summary::after,
.page-news .log-summary:focus-visible::after {
  opacity: 1;
  transform: translate(3px, -50%);
}

.page-news .log-row[open] .log-summary::after {
  opacity: 1;
  transform: translateY(-50%) rotate(90deg);
}

.page-news .log-lead {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .log-tag {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .tag-release {
  color: var(--gold);
  background: rgba(201, 162, 39, 0.1);
  border-color: var(--line);
}

.page-news .tag-entry {
  color: var(--ivory);
  background: var(--cinnabar);
}

.page-news .tag-guide {
  color: var(--celadon);
  background: rgba(138, 154, 150, 0.12);
  border-color: var(--line-soft);
}

.page-news .tag-coop {
  color: var(--ivory);
  background: rgba(79, 95, 91, 0.85);
}

.page-news .log-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ivory);
}

.page-news .log-time {
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--celadon);
  white-space: nowrap;
}

.page-news .log-row--feature .log-summary {
  grid-template-columns: 76px 1fr auto;
}

.page-news .log-thumb {
  display: block;
  width: 76px;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
}

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

.page-news .log-detail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 26px 20px 2px;
}

.page-news .log-detail p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--celadon);
}

.page-news .log-more {
  align-self: flex-start;
  font-size: 13.5px;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .log-more:hover,
.page-news .log-more:focus-visible {
  color: var(--ivory);
  border-color: var(--gold);
}

/* 版本迭代专题 */
.page-news .version-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .version-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-news .version-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .version-body .section-note {
  max-width: 40em;
}

.page-news .timeline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), rgba(140, 106, 31, 0.15));
}

.page-news .tl-item {
  position: relative;
  padding-bottom: 24px;
}

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

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--grad-gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.16);
}

.page-news .tl-year {
  margin: 0 0 4px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .tl-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ivory);
}

.page-news .tl-item p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--celadon);
  max-width: 46ch;
}

.page-news .tl-link {
  font-size: 13.5px;
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .tl-link:hover,
.page-news .tl-link:focus-visible {
  color: var(--ivory);
  border-color: var(--gold);
}

/* 订阅 */
.page-news .subscribe-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .subscribe-panel {
  padding: clamp(20px, 4vw, 44px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(79, 95, 91, 0.32), rgba(11, 11, 13, 0) 68%);
}

.page-news .subscribe-panel .section-title {
  margin: 8px 0 14px;
}

.page-news .subscribe-panel p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--celadon);
}

.page-news .copy-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(20, 21, 26, 0.8);
}

.page-news .copy-value {
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ivory);
  word-break: break-all;
}

.page-news .copy-btn {
  padding: 5px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold-hi);
  font-family: var(--font-body);
  font-size: 12.5px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .copy-btn:hover,
.page-news .copy-btn:focus-visible {
  background: rgba(201, 162, 39, 0.16);
  color: var(--ivory);
}

.page-news .copy-note {
  font-size: 12.5px;
  color: var(--gold-hi);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-news .copy-note.is-shown {
  opacity: 1;
}

.page-news .subscribe-hint {
  font-size: 13.5px;
  color: var(--celadon);
}

.page-news .subscribe-cta {
  display: inline-block;
  margin-top: 6px;
}

.page-news .subscribe-media {
  margin: 0;
  align-self: start;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

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

@media (min-width: 720px) {
  .page-news {
    --news-sticky: 70px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 1.45fr 0.55fr;
    align-items: end;
  }

  .page-news .hero-meta {
    border-top: 1px solid var(--line);
  }

  .page-news .version-grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-news .subscribe-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }

  .page-news .log-row--feature .log-summary {
    grid-template-columns: 92px 1fr auto;
  }

  .page-news .log-thumb {
    width: 92px;
  }
}

@media (min-width: 1024px) {
  .page-news {
    --news-sticky: 78px;
  }

  .page-news .log-title {
    font-size: 1.06rem;
  }

  .page-news .log-row--feature .log-summary {
    grid-template-columns: 108px 1fr auto;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .page-news .log-thumb {
    width: 108px;
  }

  .page-news .topic-track {
    padding-bottom: 24px;
  }

  .page-news .version-media {
    position: sticky;
    top: calc(var(--news-sticky) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}