.page-news {
  --s-obs: var(--gold-a);
  --s-fee: var(--bronze);
  --s-node: #4468A6;
  --s-cycle: var(--cinnabar);
  --news-abs: #A9B6CD;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-news .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--gold-b);
  border-bottom-color: var(--line-gold);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--gold-b);
}

.page-news .breadcrumb__sep {
  color: var(--line-slate);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 28px;
}

.page-news .news-hero__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-hero__text .h-display {
  margin: 10px 0 0;
}

.page-news .news-hero__text .lede {
  margin-top: 18px;
  max-width: 34em;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-gold-soft);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 5.4vw, 34px);
  line-height: 1;
  color: var(--gold-b);
  letter-spacing: -.02em;
}

.page-news .stat__label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-news .news-seal {
  position: relative;
  width: 104px;
  height: 104px;
  justify-self: start;
}

.page-news .news-seal__ring {
  position: absolute;
  inset: 0;
  border: 1px dashed var(--line-gold);
  border-radius: 50%;
  animation: news-seal-spin 8s linear infinite;
}

.page-news .news-seal__mark {
  position: absolute;
  inset: 16px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold-a), var(--gold-b));
  color: var(--ink-deep);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: .08em;
}

.page-news .news-seal:hover .news-seal__ring {
  animation-duration: 2.4s;
}

@keyframes news-seal-spin {
  to { transform: rotate(360deg); }
}

.page-news .news-cover {
  margin: 36px 0 0;
}

/* ---------- 系列导航 ---------- */
.page-news .news-series__grid {
  display: grid;
  gap: 30px;
}

.page-news .series-chips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .chip {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line-slate);
  border-radius: 999px;
  color: var(--text-body);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.page-news .chip:hover {
  border-color: var(--line-gold);
  color: var(--gold-b);
}

.page-news .chip--active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--gold-a), var(--gold-b));
  color: var(--ink-deep);
  font-weight: 600;
}

.page-news .chip:focus-visible,
.page-news .tagcloud__item:focus-visible,
.page-news .series-group__item a:focus-visible,
.page-news .news-quarter__foot a:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-news .news-series__note {
  margin: 16px 0 0;
  font-size: 13px;
}

.page-news .tagcloud {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
}

.page-news .tagcloud__item {
  display: inline-block;
  padding: 4px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--line-slate);
  transition: color var(--ease), border-color var(--ease);
}

.page-news .tagcloud__item:hover {
  color: var(--gold-b);
  border-bottom-color: var(--line-gold);
}

.page-news .figure {
  margin: 0;
  border: 1px solid var(--line-gold-soft);
  background: var(--ink-mid);
  box-shadow: var(--shadow-card);
}

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

.page-news .figure__cap {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--slate);
  border-top: 1px solid var(--line-slate);
}

.page-news .news-series__figure .figure__img,
.page-news .news-quarter__figure .figure__img,
.page-news .news-sub__figure .figure__img {
  aspect-ratio: 4 / 3;
}

/* ---------- 条目区 ---------- */
.page-news .news-latest__head .muted {
  margin-top: 12px;
  max-width: 34em;
  font-size: 14px;
}

.page-news .news-board {
  margin-top: 32px;
  display: grid;
  gap: 26px;
}

.page-news .news-board__aside .annot {
  margin: 0 0 12px;
}

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

.page-news .series-group__item a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 6px 12px 14px;
  border-bottom: 1px solid var(--line-slate);
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--text-body);
  font-size: 14px;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.page-news .series-group__item a:hover {
  border-left-color: var(--gold-a);
  color: var(--paper);
  background: rgba(201, 162, 39, .05);
}

.page-news .series-group__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-news .series-group__item--obs a { border-left-color: rgba(201, 162, 39, .45); }
.page-news .series-group__item--fee a { border-left-color: rgba(46, 139, 139, .45); }
.page-news .series-group__item--node a { border-left-color: rgba(68, 104, 166, .45); }
.page-news .series-group__item--cycle a { border-left-color: rgba(192, 57, 43, .45); }

.page-news .news-board__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
}

.page-news .news-board__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-news .density {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-news .density__input {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  width: 34px;
  height: 18px;
  margin: 0;
  border: 1px solid var(--line-slate);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: border-color var(--ease);
}

.page-news .density__input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--slate);
  transition: transform var(--ease), background var(--ease);
}

.page-news .density__input:checked {
  border-color: var(--line-gold);
}

.page-news .density__input:checked::after {
  transform: translateX(16px);
  background: var(--gold-b);
}

.page-news .density__input:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

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

.page-news .entry {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 10px;
  row-gap: 8px;
  padding: 18px 10px 18px 0;
  border-bottom: 1px solid var(--line-slate);
  transition: background var(--ease), box-shadow var(--ease), padding var(--ease);
}

.page-news .entry--obs { --entry-color: var(--s-obs); }
.page-news .entry--fee { --entry-color: var(--s-fee); }
.page-news .entry--node { --entry-color: var(--s-node); }
.page-news .entry--cycle { --entry-color: var(--s-cycle); }

.page-news .entry__bar {
  grid-column: 1;
  grid-row: 1 / -1;
  position: relative;
  width: 40px;
  align-self: stretch;
}

.page-news .entry__bar::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--entry-color), rgba(11, 27, 58, 0));
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--paper);
}

.page-news .entry__abs {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--news-abs);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .entry__meta {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-news .entry__series {
  color: var(--entry-color);
  letter-spacing: .06em;
}

.page-news .entry__read::before {
  content: "· ";
  color: var(--line-slate);
}

.page-news .entry__time {
  min-width: 3em;
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: linear-gradient(90deg, rgba(201, 162, 39, .07), rgba(201, 162, 39, 0) 62%);
  box-shadow: inset 0 0 0 1px var(--line-gold-soft);
}

.page-news .entry:hover .entry__abs,
.page-news .entry:focus-within .entry__abs {
  -webkit-line-clamp: unset;
  color: var(--text-body);
}

.page-news .news-board__main:has(.density__input:checked) .entry {
  padding-top: 30px;
  padding-bottom: 30px;
}

.page-news .news-board__main:has(.density__input:checked) .entry__abs {
  -webkit-line-clamp: 3;
}

/* ---------- 季度合集 ---------- */
.page-news .news-quarter__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-quarter__main .muted {
  margin-top: 12px;
  max-width: 34em;
  font-size: 14px;
}

.page-news .quarter-list {
  margin-top: 26px;
  border-top: 1px dashed var(--line-gold);
}

.page-news .quarter {
  border-bottom: 1px dashed var(--line-gold);
}

.page-news .quarter__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .quarter__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .quarter__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-b);
}

.page-news .quarter__toggle {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--slate);
  transition: color var(--ease);
}

.page-news .quarter[open] .quarter__toggle {
  color: var(--gold-b);
}

.page-news .quarter__body {
  padding: 4px 0 18px;
}

.page-news .quarter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .quarter__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  font-size: 14px;
  color: var(--text-body);
}

.page-news .quarter__series {
  min-width: 6.5em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold-b);
}

.page-news .quarter__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--slate);
}

.page-news .news-quarter__foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--news-abs);
}

.page-news .news-quarter__foot a {
  color: var(--gold-b);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

/* ---------- 订阅与提醒 ---------- */
.page-news .news-sub__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-sub__lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-news .bind-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .bind-steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--line-slate);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-body);
}

.page-news .bind-steps li:last-child {
  border-bottom: 1px solid var(--line-slate);
}

.page-news .bind-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-b);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .entry {
    grid-template-columns: 40px minmax(0, 1fr) 150px;
    align-items: start;
  }

  .page-news .entry__meta {
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    text-align: right;
  }

  .page-news .entry__read::before {
    content: none;
  }

  .page-news .entry__main {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 40px;
  }

  .page-news .news-seal {
    width: 132px;
    height: 132px;
    justify-self: end;
    margin-top: 6px;
  }

  .page-news .news-seal__mark {
    inset: 20px;
    font-size: 30px;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero {
    padding-top: 44px;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-news .news-series__figure {
    margin-top: 8px;
  }

  .page-news .news-board {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-board__aside {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-news .news-quarter__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: 44px;
  }

  .page-news .news-sub__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-news .entry__title {
    font-size: 18px;
  }
}

@media (min-width: 1200px) {
  .page-news .entry {
    grid-template-columns: 40px minmax(0, 1fr) 170px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-seal__ring {
    animation: none;
  }

  .page-news .chip,
  .page-news .entry,
  .page-news .tagcloud__item,
  .page-news .series-group__item a,
  .page-news .density__input,
  .page-news .density__input::after {
    transition: none;
  }
}