.page-news {
  --news-line: rgba(167, 159, 199, 0.18);
  --news-glass: rgba(43, 30, 92, 0.6);
  --news-glow: rgba(51, 240, 210, 0.18);
  background: var(--c-night);
  color: var(--c-text);
}

.page-news .news-block {
  padding: clamp(2.75rem, 7vw, 5.5rem) 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-news .news-open {
  padding: calc(var(--header-h) + clamp(2.25rem, 6vw, 4.5rem)) 0 clamp(2rem, 5vw, 3.25rem);
  scroll-margin-top: 0;
}

.page-news .eyebrow {
  margin: 1.25rem 0 0;
  font-family: var(--font-label);
  font-size: var(--step-13);
  letter-spacing: 0.14em;
  color: var(--c-magenta);
}

.page-news .news-open__title {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 15ch;
  background: linear-gradient(104deg, var(--c-text) 32%, var(--c-cyan) 78%, var(--c-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-open__lede {
  max-width: 62ch;
  color: var(--c-text);
}

.page-news .jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.page-news .jump__link {
  display: inline-block;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  font-size: var(--step-13);
  letter-spacing: 0.04em;
  color: var(--c-text);
  text-decoration: none;
  background: rgba(43, 30, 92, 0.35);
  transition: border-color 0.25s ease, color 0.25s ease;
}

.page-news .jump__link:hover,
.page-news .jump__link:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-news .news-open__media {
  margin: clamp(1.75rem, 5vw, 3.25rem) 0 0;
}

.page-news .news-open__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-line);
  box-shadow: var(--shadow-card);
}

.page-news .media__caption {
  margin-top: 0.65rem;
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1rem;
  margin-bottom: 1.4rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .section-head__no {
  font-family: var(--font-label);
  font-size: var(--step-13);
  letter-spacing: 0.12em;
  color: var(--c-gold);
}

.page-news .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  letter-spacing: -0.01em;
}

.page-news .section-head__tag {
  margin-left: auto;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  background: rgba(51, 240, 210, 0.07);
}

.page-news .news-subtitle {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
}

.page-news .prose {
  max-width: 68ch;
  color: var(--c-text);
}

.page-news .news-aside {
  margin-top: 1.6rem;
  font-size: var(--step-16);
  color: var(--c-muted);
}

.page-news .news-aside a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-color: var(--c-violet);
  text-underline-offset: 3px;
}

/* 批次归档 */
.page-news .batch-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .batch-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding: 1.05rem 0.85rem;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.25s ease;
}

.page-news .batch-row:hover {
  background: rgba(43, 30, 92, 0.35);
}

.page-news .batch-row--latest {
  background: linear-gradient(90deg, rgba(51, 240, 210, 0.12), rgba(139, 92, 255, 0.08) 42%, transparent);
  border-left: 2px solid var(--c-cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .batch-row__code {
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.1em;
}

.page-news .batch-row__name {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-18);
}

.page-news .batch-row__desc {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 62ch;
}

.page-news .batch-row__state {
  align-self: start;
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.08em;
  color: var(--c-muted);
  white-space: nowrap;
}

.page-news .batch-row--latest .batch-row__state {
  color: var(--c-green);
}

/* 字段定义 */
.page-news .field-list {
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .field-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .field-list dt {
  font-family: var(--font-label);
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-news .field-list dd {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-news .modes {
  display: grid;
  gap: 0.85rem;
}

.page-news .mode {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: rgba(14, 8, 36, 0.55);
}

.page-news .mode__name {
  margin: 0.55rem 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-18);
}

.page-news .mode p {
  margin: 0;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-news .news-faq {
  margin-top: 1.6rem;
}

.page-news .faq__item {
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background: rgba(43, 30, 92, 0.28);
  margin-bottom: 0.6rem;
  overflow: hidden;
}

.page-news .faq__q {
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-16);
  list-style: none;
}

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

.page-news .faq__q::after {
  content: "＋";
  float: right;
  color: var(--c-cyan);
  font-family: var(--font-label);
}

.page-news .faq__item[open] .faq__q::after {
  content: "－";
}

.page-news .faq__a {
  padding: 0 1.1rem 1rem;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.75;
}

/* 专题 */
.page-news .news-filter {
  margin: 1.4rem 0 1.5rem;
  gap: 0.5rem;
}

.page-news .chip {
  appearance: none;
  font: inherit;
  font-size: var(--step-13);
  letter-spacing: 0.05em;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--glass-line);
  background: rgba(43, 30, 92, 0.5);
  color: var(--c-text);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-news .chip:hover,
.page-news .chip:focus-visible {
  border-color: var(--c-cyan);
}

.page-news .chip.is-active {
  background: linear-gradient(120deg, var(--c-cyan), var(--c-violet));
  border-color: transparent;
  color: #0b0620;
  font-weight: 700;
}

.page-news .topics {
  display: grid;
  gap: 1.1rem;
}

.page-news .topic {
  border: 1px solid var(--news-line);
  border-radius: var(--radius-lg);
  background: rgba(26, 17, 64, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.page-news .topic__media {
  margin: 0;
}

.page-news .topic__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

.page-news .topic__body {
  padding: 1.1rem 1.15rem 1.25rem;
  border-top: 1px solid var(--news-line);
}

.page-news .topic__name {
  margin: 0.6rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-18);
}

.page-news .topic__body p {
  margin: 0;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-news .topic__meta {
  margin-top: 0.75rem !important;
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--c-gold) !important;
}

/* 版本时间轴 */
.page-news .news-timeline {
  margin-top: 1.6rem;
}

.page-news .news-timeline .timeline__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 80%);
  gap: 1rem;
  overflow-x: auto;
  padding: 0 0 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .timeline__item {
  scroll-snap-align: start;
  padding: 1.15rem 1.15rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  border-top: 3px solid rgba(139, 92, 255, 0.55);
  background: rgba(26, 17, 64, 0.7);
}

.page-news .timeline__item--now {
  border-top-color: var(--c-cyan);
  background: linear-gradient(180deg, rgba(51, 240, 210, 0.1), rgba(26, 17, 64, 0.7));
}

.page-news .timeline__time {
  font-family: var(--font-label);
  font-size: var(--step-12);
}

.page-news .timeline__name {
  margin: 0.6rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-24);
}

.page-news .timeline__item p {
  margin: 0;
  color: var(--c-muted);
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-news .news-update-grid {
  margin-top: 1.6rem;
}

.page-news .update-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  height: 100%;
}

.page-news .update-card .btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

/* 本地观察 */
.page-news .watch {
  align-items: start;
}

.page-news .watch-list {
  list-style: none;
  margin: 1.4rem 0;
  padding: 0;
}

.page-news .watch-list li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.75rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--news-line);
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-news .watch-list__no {
  font-family: var(--font-label);
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--c-magenta);
}

.page-news .watch__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-line);
}

/* 订阅提醒 */
.page-news .alert {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-line);
  background: linear-gradient(135deg, rgba(43, 30, 92, 0.75), rgba(14, 8, 36, 0.6));
  box-shadow: var(--shadow-card);
}

.page-news .alert__lead {
  margin: 0 0 1rem;
  font-size: var(--step-18);
  line-height: 1.7;
  max-width: 60ch;
}

.page-news .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  counter-reset: step;
}

.page-news .steps__item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.7rem;
  align-items: center;
  font-size: var(--step-16);
}

.page-news .steps__no {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--c-cyan), var(--c-violet));
  color: #0b0620;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: var(--step-13);
}

.page-news .alert__note {
  margin: 1rem 0 0;
  font-size: var(--step-13);
  color: var(--c-muted);
}

.page-news .alert__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* 侧边章节轨道 */
.page-news .read-rail {
  display: none;
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  flex-direction: column;
  gap: 0.55rem;
  z-index: 20;
}

.page-news .read-rail__link {
  padding-left: 0.7rem;
  border-left: 1px solid var(--news-line);
  font-family: var(--font-label);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-news .read-rail__link.is-active,
.page-news .read-rail__link:hover,
.page-news .read-rail__link:focus-visible {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
}

@media (min-width: 620px) {
  .page-news .field-list__row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 1rem;
  }

  .page-news .modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .alert {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 2rem 1.9rem;
  }

  .page-news .alert__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 860px) {
  .page-news .batch-row {
    grid-template-columns: 92px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.35rem 1.1rem;
  }

  .page-news .batch-row__state {
    text-align: right;
  }

  .page-news .news-timeline .timeline__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .topic--up {
    margin-top: 0;
  }

  .page-news .topic--down {
    margin-top: 2.5rem;
  }

  .page-news .watch {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1200px) {
  .page-news .read-rail {
    display: flex;
  }

  .page-news .news-open__media {
    margin-right: -4%;
    margin-left: -4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .batch-row,
  .page-news .chip,
  .page-news .jump__link,
  .page-news .read-rail__link {
    transition: none;
  }
}