.page-news {
  --rail-w: 158px;
  --note-ease: var(--ease);
}

.page-news .notes-masthead {
  padding: 26px 0 32px;
  max-width: 780px;
}

.page-news .notes-eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lake-soft);
  margin: 0 0 16px;
}

.page-news .notes-masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 7.4vw, 58px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 18px;
}

.page-news .notes-lede {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  max-width: 42ch;
  margin: 0 0 28px;
}

.page-news .notes-ledger {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
}

.page-news .notes-ledger li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-news .notes-ledger b {
  font-size: 22px;
  font-weight: 500;
  color: var(--sunset);
  line-height: 1;
}

.page-news .notes-banner {
  margin: 6px 0 32px;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-news .notes-banner img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-news .figure-caption {
  font-size: 12px;
  color: var(--mist);
  margin-top: 10px;
  line-height: 1.6;
}

.page-news .notes-anchors {
  margin-bottom: 46px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-news .notes-anchors .index-link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  white-space: nowrap;
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  transition: border-color 160ms var(--note-ease), color 160ms var(--note-ease);
}

.page-news .notes-anchors .index-link:hover,
.page-news .notes-anchors .index-link:focus-visible {
  border-color: var(--lake-soft);
  color: var(--paper);
}

.page-news .section-lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
  margin: 14px 0 0;
}

/* ---------- 速览列表 ---------- */

.page-news .notes-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
}

.page-news .notes-rail {
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.page-news .notes-rail-title {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-news .notes-legend {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-news .legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}

.page-news .legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot, var(--lake));
  flex: 0 0 auto;
}

.page-news .notes-rail-note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  margin: 0;
}

.page-news .notes-body {
  min-width: 0;
}

.page-news .note-item {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px 18px 22px;
  margin-bottom: 18px;
  transition: transform 180ms var(--note-ease), border-color 180ms var(--note-ease), background-color 180ms var(--note-ease);
}

.page-news .note-item:hover {
  transform: translateY(-2px);
  border-color: var(--lake-soft);
  background: var(--ink-3);
}

.page-news .note-item:focus-within {
  border-color: var(--sunset);
}

.page-news .note-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.page-news .note-time {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.02em;
  opacity: 0.75;
  transition: opacity 180ms var(--note-ease), color 180ms var(--note-ease);
}

.page-news .note-item:hover .note-time {
  opacity: 1;
  color: var(--lake-soft);
}

.page-news .note-title {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.42;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-news .note-summary {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
  margin: 0;
  max-width: 56ch;
}

/* ---------- 版本号条带 ---------- */

.page-news .version-band {
  margin: 28px 0;
  padding: 16px 0 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .version-band-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-news .version-band-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 4px 2px 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-news .version-band-scroll::-webkit-scrollbar {
  display: none;
}

.page-news .version-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 15px;
  white-space: nowrap;
}

.page-news .version-chip--current {
  border-color: var(--sunset);
  color: var(--sunset);
}

/* ---------- 往年存档 ---------- */

.page-news .past-notes {
  margin-top: 26px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 16px 18px;
}

.page-news .past-notes > summary {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.page-news .past-notes > summary::-webkit-details-marker {
  display: none;
}

.page-news .past-notes > summary:before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--sunset);
  font-size: 16px;
  line-height: 1;
}

.page-news .past-notes[open] > summary:before {
  content: "–";
}

.page-news .past-notes .fold-body {
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  margin-top: 12px;
}

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

.page-news .past-list li {
  display: grid;
  gap: 6px;
}

.page-news .paste-time {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lake-soft);
  text-transform: uppercase;
}

.page-news .past-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .past-list b {
  color: var(--text);
  font-weight: 700;
}

.page-news .more-btn {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 版本对照专辑 ---------- */

.page-news .album-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 30px;
  align-items: start;
}

.page-news .album-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .album-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .album-fields {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  counter-reset: field;
}

.page-news .album-fields li {
  position: relative;
  padding: 14px 0 14px 34px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .album-fields li:before {
  counter-increment: field;
  content: counter(field, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lake-soft);
  letter-spacing: 0.02em;
}

.page-news .album-fields b {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-news .album-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--lake);
}

.page-news .album-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 词库手记 ---------- */

.page-news .lexicon-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 28px;
  align-items: center;
}

.page-news .lexicon-copy {
  order: 1;
}

.page-news .lexicon-figure {
  order: 2;
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .lexicon-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .lexicon-lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper);
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--sunset);
}

.page-news .lexicon-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 16px;
}

.page-news .lexicon-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px 22px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .lexicon-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--sunset);
  line-height: 1.1;
  margin-bottom: 6px;
}

.page-news .lexicon-stat span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 首次访问观察 ---------- */

.page-news .observe-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 28px;
  align-items: start;
}

.page-news .observe-figure {
  margin: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-2);
}

.page-news .observe-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 55 / 31;
  object-fit: cover;
}

.page-news .observe-stats {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .observe-stats li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-news .observe-stats b {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--lake-soft);
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.page-news .observe-stats span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .observe-q-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

.page-news .observe-dl {
  margin: 0;
}

.page-news .observe-dl dt {
  font-size: 14px;
  font-weight: 700;
  color: var(--v-yellow);
  margin-bottom: 5px;
  line-height: 1.6;
}

.page-news .observe-dl dd {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 28px;
}

.page-news .cadence-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lake);
  display: inline-block;
}

.page-news .cadence-list,
.page-news .follow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-news .cadence-when {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--sunset);
  border: 1px solid rgba(255, 122, 47, 0.45);
  border-radius: 999px;
  padding: 4px 8px;
  text-align: center;
  white-space: nowrap;
  line-height: 1.5;
}

.page-news .cadence-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text);
}

.page-news .follow-list li {
  padding: 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: transform 180ms var(--note-ease), border-color 180ms var(--note-ease);
}

.page-news .follow-list li:hover {
  transform: translateY(-2px);
  border-color: var(--lake-soft);
}

.page-news .follow-list b {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-news .follow-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 焦点态 ---------- */

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--sunset);
  outline-offset: 3px;
}

/* ---------- 宽屏 ---------- */

@media (min-width: 900px) {
  .page-news .notes-stream {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .notes-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .notes-legend {
    flex-direction: column;
    gap: 10px;
  }

  .page-news .note-item {
    padding: 24px 26px 26px;
  }

  .page-news .note-item:nth-child(even) {
    margin-left: 5%;
    width: 95%;
  }

  .page-news .note-title {
    font-size: 19px;
  }

  .page-news .album-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
  }

  .page-news .lexicon-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 48px;
  }

  .page-news .observe-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 46px;
  }

  .page-news .notes-masthead {
    padding-top: 36px;
    padding-bottom: 40px;
  }
}

@media (min-width: 1180px) {
  .page-news {
    --rail-w: 176px;
  }

  .page-news .note-item:nth-child(even) {
    margin-left: 8%;
    width: 92%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-item,
  .page-news .follow-list li,
  .page-news .note-time,
  .page-news .notes-anchors .index-link {
    transition: none;
  }

  .page-news .note-item:hover,
  .page-news .follow-list li:hover {
    transform: none;
  }
}

.page-news {
  --dot: transparent;
}