.page-news {
  --news-axis: 46px;
  --news-gap: 14px;
}

.page-news .news-crumb-row {
  padding-top: 26px;
}

.page-news .news-hero {
  display: grid;
  gap: 26px;
  padding-top: 18px;
  padding-bottom: 8px;
}

.page-news .news-hero-main h1 {
  margin: 10px 0 16px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 7.6vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .news-hero-main .lede {
  max-width: 62ch;
  color: var(--mist);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .news-hero-rail {
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(18, 56, 46, 0.92), rgba(7, 26, 22, 0.96));
  padding: 18px 18px 16px;
  border-radius: var(--radius);
}

.page-news .rail-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.page-news .rail-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-news .rail-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .rail-val {
  font-size: 14px;
  color: var(--gold-lit);
}

.page-news .rail-foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-news .news-hero-fig {
  margin: 26px auto 0;
}

.page-news .news-hero-fig img,
.page-news .cycle-side img,
.page-news .sync-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .news-section-head {
  max-width: 70ch;
  margin-bottom: 22px;
}

.page-news .news-section-head .section-title {
  margin: 8px 0 10px;
}

.page-news .news-section-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

/* 筛选胶囊 */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 11px 12px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 39, 32, 0.94);
}

.page-news .filter-lead {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin-right: 4px;
}

.page-news .chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px 7px 11px;
  font-size: 13px;
  line-height: 1;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(7, 26, 22, 0.7);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--gold);
}

.page-news .chip--cycle::before { background: var(--seal); }
.page-news .chip--library::before { background: var(--steel); }
.page-news .chip--index::before { background: var(--gold-lit); }
.page-news .chip--service::before { background: var(--seal-warm); }

.page-news .chip:hover,
.page-news .chip:focus-visible {
  color: var(--gold-lit);
  border-color: var(--gold);
  background: rgba(18, 56, 46, 0.9);
}

/* 时间轴列表 */
.page-news .log-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--news-gap);
}

.page-news .log-row {
  position: relative;
  display: grid;
  grid-template-columns: var(--news-axis) minmax(0, 1fr);
  gap: 10px;
}

.page-news .log-axis {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
}

.page-news .log-row::before {
  content: "";
  position: absolute;
  left: calc(var(--news-axis) / 2 - 0.5px);
  top: 0;
  bottom: calc(-1 * var(--news-gap));
  width: 1px;
  background: linear-gradient(180deg, var(--line), var(--line-faint));
}

.page-news .log-row:last-child::before {
  bottom: 40%;
}

.page-news .log-dot {
  width: 9px;
  height: 9px;
  border-radius: 1px;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.14);
  position: relative;
  z-index: 1;
}

.page-news .log-dot--seal {
  background: var(--seal);
  box-shadow: 0 0 0 3px rgba(179, 58, 43, 0.16);
}

.page-news .log-dot--steel {
  background: var(--steel);
  box-shadow: 0 0 0 3px rgba(126, 152, 166, 0.16);
}

.page-news .log-id {
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--steel);
  writing-mode: vertical-rl;
}

.page-news .log-item.card {
  padding: 0;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 56, 46, 0.78), rgba(7, 26, 22, 0.94));
  border: 1px solid var(--line-soft);
  transition: border-color 0.2s var(--ease);
}

.page-news .log-item[open] {
  border-color: var(--line);
}

.page-news .log-summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: grid;
  gap: 8px;
  padding: 15px 42px 15px 15px;
}

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

.page-news .log-summary::after {
  content: "+";
  position: absolute;
  top: 13px;
  right: 14px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.22s var(--ease);
}

.page-news .log-item[open] .log-summary::after {
  transform: rotate(45deg);
}

.page-news .log-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .log-when {
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-news .log-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .log-summary:hover .log-title,
.page-news .log-summary:focus-visible .log-title {
  color: var(--gold-lit);
}

.page-news .log-summary:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

.page-news .log-body {
  padding: 0 15px 16px;
  border-top: 1px dashed var(--line-faint);
  padding-top: 13px;
}

.page-news .log-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .log-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-news .log-meta li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.page-news .log-meta .mono {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.06em;
  flex: 0 0 auto;
}

.page-news .log-meta a {
  color: var(--gold-lit);
}

/* 活动周期 */
.page-news .news-cycle-section {
  background: linear-gradient(180deg, rgba(12, 39, 32, 0.5), rgba(7, 26, 22, 0));
}

.page-news .news-cycle-grid {
  display: grid;
  gap: 24px;
}

.page-news .phase-track {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .phase {
  display: grid;
  gap: 5px;
  padding: 14px 15px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(7, 26, 22, 0.75);
}

.page-news .phase--rise { border-left-color: var(--gold); }
.page-news .phase--push { border-left-color: var(--steel); }
.page-news .phase--close { border-left-color: var(--seal); }

.page-news .phase.is-live {
  background: linear-gradient(120deg, rgba(179, 58, 43, 0.16), rgba(7, 26, 22, 0.85));
  border-color: var(--line);
}

.page-news .phase-idx {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .phase-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .phase-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .phase .tag {
  justify-self: start;
  margin-top: 4px;
}

.page-news .cycle-table {
  width: 100%;
}

.page-news .cycle-caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
  padding-bottom: 10px;
}

.page-news .cycle-side {
  display: grid;
  gap: 16px;
}

.page-news .cycle-note {
  display: grid;
  gap: 10px;
}

.page-news .cycle-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .cycle-link {
  font-size: 13px;
  color: var(--gold-lit);
  border-bottom: 1px solid var(--line);
  justify-self: start;
  padding-bottom: 2px;
}

/* 同步节奏 */
.page-news .sync-grid {
  display: grid;
  gap: 24px;
}

.page-news .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-news .cadence-row {
  display: grid;
  gap: 4px;
  padding: 15px 16px;
  background: rgba(9, 32, 26, 0.96);
}

.page-news .cadence-when {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .cadence-what {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .cadence-detail {
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .sync-fig {
  margin: 0;
}

/* 订阅通知 */
.page-news .notify-panel {
  display: grid;
  gap: 24px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(179, 58, 43, 0.2), transparent 58%),
    linear-gradient(160deg, rgba(18, 56, 46, 0.95), rgba(7, 26, 22, 0.98));
}

.page-news .notify-main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-news .notify-main .section-title {
  margin: 8px 0 14px;
}

.page-news .notify-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news .notify-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .notify-list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-faint);
}

.page-news .notify-list .mono {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.08em;
  flex: 0 0 auto;
  padding-top: 3px;
}

.page-news .notify-foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .notify-foot a {
  color: var(--gold-lit);
}

@media (min-width: 640px) {
  .page-news .log-row {
    --news-axis: 60px;
    gap: 16px;
  }
  .page-news .log-id {
    writing-mode: horizontal-tb;
    letter-spacing: 0.06em;
  }
  .page-news .log-title {
    font-size: 19px;
  }
  .page-news .notify-panel {
    padding: 32px 30px;
  }
}

@media (min-width: 820px) {
  .page-news .filter-bar {
    position: sticky;
    top: 92px;
    z-index: 6;
    backdrop-filter: blur(8px);
  }
  .page-news .news-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 34px;
  }
  .page-news .news-hero-rail {
    padding: 22px 22px 20px;
    margin-top: 12px;
  }
  .page-news .phase-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line-faint);
    border: 1px solid var(--line-faint);
  }
  .page-news .phase {
    border: 0;
    border-top: 2px solid var(--gold);
    border-radius: 0;
    background: rgba(9, 32, 26, 0.96);
    min-height: 168px;
    align-content: start;
  }
  .page-news .phase--push { border-top-color: var(--steel); }
  .page-news .phase--close { border-top-color: var(--seal); }
  .page-news .cadence-row {
    grid-template-columns: 180px minmax(0, 1fr);
    column-gap: 20px;
    align-items: baseline;
  }
  .page-news .cadence-when {
    grid-row: span 2;
    padding-top: 4px;
  }
  .page-news .notify-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 34px;
  }
}

@media (min-width: 1040px) {
  .page-news .news-cycle-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 30px;
    align-items: start;
  }
  .page-news .sync-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 30px;
    align-items: start;
  }
  .page-news .log-summary {
    padding: 17px 46px 17px 20px;
  }
  .page-news .log-summary::after {
    top: 15px;
    right: 18px;
  }
  .page-news .log-body {
    padding: 15px 20px 18px;
  }
  .page-news .log-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 16px;
  }
  .page-news .log-meta li {
    display: grid;
    gap: 4px;
    align-content: start;
    border-left: 1px solid var(--line-faint);
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .log-item,
  .page-news .log-summary::after {
    transition: none;
  }
}