.page-news {
  --page-news-border: rgba(212, 175, 55, 0.16);
  --page-news-gold-soft: rgba(212, 175, 55, 0.42);
  --page-news-dark-panel: rgba(255, 255, 255, 0.03);
  background:
    linear-gradient(180deg, rgba(27, 67, 50, 0.5), transparent 380px),
    var(--c-dark);
  min-width: 0;
}

.page-news .breadcrumbs {
  margin: 2.2rem 0 2.4rem;
}

/* ========== 页头横幅 ========== */
.page-news .news-hero {
  position: relative;
  margin: 0 0 2.2rem;
  padding: 2.4rem 1.8rem 2.8rem;
  display: grid;
  gap: 2rem;
  background:
    linear-gradient(170deg, var(--c-primary) 0%, var(--c-primary-dark) 62%, rgba(18, 18, 18, 0.94) 62%),
    var(--c-primary-dark);
  border: 1px solid var(--page-news-border);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

.page-news .news-hero__main {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__title {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-news .news-hero__intro {
  max-width: 54rem;
  margin: 0 0 1.8rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--c-text);
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.2rem;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.page-news .news-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0 0 0.5rem 1rem;
  border-left: 3px solid var(--c-gold);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.08), transparent 65%);
}

.page-news .news-hero__stat dt {
  margin: 0;
  font-family: var(--font-number);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

.page-news .news-hero__stat dd {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text);
}

.page-news .news-hero__shape {
  position: absolute;
  right: -46px;
  top: -54px;
  width: 170px;
  height: 170px;
  border: 1px solid var(--page-news-gold-soft);
  border-radius: 2px;
  transform: rotate(22deg);
  pointer-events: none;
}

.page-news .news-hero__shape::before {
  content: "";
  position: absolute;
  right: 58px;
  top: 50px;
  width: 28px;
  height: 28px;
  border-left: 3px solid var(--c-gold);
  border-top: 3px solid var(--c-gold);
}

.page-news .news-hero__shape::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 34px, rgba(212, 175, 55, 0.18) 34px, rgba(212, 175, 55, 0.18) 35px);
}

/* ========== 章节通用 ========== */
.page-news .news-section {
  padding: 3.6rem 0 4.2rem;
}

.page-news .news-section__head {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 2.4rem;
}

.page-news .news-section__head .section-heading {
  margin: 0;
}

.page-news .section-heading__note {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-news .news-aside-note {
  margin: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--c-teal);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ========== 最近更新 ========== */
.page-news .news-updates {
  padding-top: 2.8rem;
  background: linear-gradient(180deg, rgba(27, 67, 50, 0.22), transparent 300px);
}

.page-news .news-updates__layout {
  display: grid;
  gap: 2.4rem;
  align-items: start;
}

.page-news .news-updates__timeline {
  min-width: 0;
}

.page-news .news-updates__aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news .news-updates__img {
  margin: 0;
  border: 1px solid var(--page-news-border);
}

/* ========== 时间轴 ========== */
.page-news .timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold) 0%, rgba(42, 157, 143, 0.55) 60%, transparent 100%);
}

.page-news .timeline__item {
  position: relative;
  padding: 0 0 1.6rem 2.8rem;
}

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

.page-news .timeline__node {
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  background: var(--c-primary);
  border: 2px solid var(--c-gold);
  z-index: 1;
  box-sizing: border-box;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-news .timeline__node-core {
  position: absolute;
  inset: 2px;
  background: rgba(212, 175, 55, 0.7);
  transition: background 0.2s ease;
}

.page-news .timeline__item:hover .timeline__node {
  background: var(--c-gold);
  box-shadow: 0 0 0 7px rgba(212, 175, 55, 0.14);
}

.page-news .timeline__item:hover .timeline__node-core {
  background: var(--c-white);
}

.page-news .timeline__details {
  display: block;
  width: 100%;
}

.page-news .timeline__summary {
  display: block;
  list-style: none;
  cursor: pointer;
}

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

.page-news .timeline__summary::marker {
  content: "";
}

.page-news .timeline__title {
  position: relative;
  display: block;
  margin: 0;
  padding: 1.25rem 1.4rem 1.2rem;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), transparent 55%), var(--c-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.045);
  border-left: 3px solid var(--c-gold);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-news .timeline__details[open] .timeline__summary .timeline__title {
  border-bottom-color: rgba(255, 255, 255, 0.02);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.14), transparent 65%), var(--c-dark-2);
}

.page-news .timeline__item:hover .timeline__title {
  border-left-color: var(--c-gold-light);
}

.page-news .timeline__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.page-news .timeline__title-text {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-white);
}

.page-news .timeline__excerpt {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--c-muted);
}

.page-news .timeline__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  font-family: var(--font-number);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--c-gold);
  transition: transform 0.25s ease;
}

.page-news .timeline__details[open] .timeline__trigger {
  transform: rotate(45deg);
}

.page-news .timeline__body {
  padding: 1.1rem 1.4rem 1.3rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.035);
  border-top: 0;
}

.page-news .timeline__body p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-news .timeline__link {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-news .timeline__link:hover {
  color: var(--c-gold-light);
  border-color: var(--c-gold-light);
}

/* ========== 专题推荐 ========== */
.page-news .news-topics {
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
  background: linear-gradient(180deg, rgba(27, 67, 50, 0.3), rgba(18, 18, 18, 0.72));
}

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.page-news .news-topic-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--c-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--c-gold);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-news .news-topic-card:hover {
  border-color: rgba(212, 175, 55, 0.28);
  transform: translateY(-2px);
}

.page-news .news-topic-card__media {
  position: relative;
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.page-news .news-topic-card__media .img-frame {
  margin: 0;
}

.page-news .news-topic-card__index {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.3rem 0.65rem;
  font-family: var(--font-number);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-gold);
  background: rgba(18, 18, 18, 0.84);
  border: 1px solid var(--page-news-gold-soft);
}

.page-news .news-topic-card__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  flex: 1;
  padding: 1.5rem 1.4rem 1.7rem;
}

.page-news .news-topic-card__body .eyebrow {
  margin: 0;
  color: var(--c-teal);
}

.page-news .news-topic-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.18rem;
  line-height: 1.3;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-news .news-topic-card__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-news .news-topic-card--text {
  border-left-color: transparent;
  border-top: 3px solid var(--c-orange);
}

.page-news .news-topic-card--text:hover {
  border-top-color: var(--c-orange);
  border-left-color: transparent;
}

.page-news .news-topic-card--wide {
  border-left-width: 3px;
  border-left-color: var(--c-teal);
}

.page-news .news-topic-card--wide:hover {
  border-left-color: var(--c-teal);
}

/* ========== 历史归档 ========== */
.page-news .news-archive__layout {
  display: grid;
  gap: 2.4rem;
  align-items: start;
}

.page-news .news-archive__main {
  display: grid;
  gap: 1.3rem;
}

.page-news .archive-group {
  padding: 1.5rem 1.4rem;
  background: var(--c-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.045);
  border-left: 1px solid rgba(212, 175, 55, 0.24);
}

.page-news .archive-group__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--c-white);
}

.page-news .archive-group__title::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--c-gold);
}

.page-news .archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .archive-list__item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 0.9rem;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.045);
}

.page-news .archive-list__item:first-child {
  border-top: 0;
}

.page-news .archive-list__tag {
  align-self: start;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-number);
  font-size: 0.72rem;
  color: var(--c-teal);
  background: rgba(42, 157, 143, 0.09);
  border: 1px solid rgba(42, 157, 143, 0.35);
  white-space: nowrap;
  line-height: 1.4;
}

.page-news .archive-list__item:nth-child(odd) .archive-list__tag {
  color: var(--c-gold);
  background: rgba(212, 175, 55, 0.07);
  border-color: rgba(212, 175, 55, 0.35);
}

.page-news .archive-list__text {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-text);
}

.page-news .news-archive__aside {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.page-news .archive-chart {
  padding: 1rem;
  background: var(--c-dark-2);
  border: 1px solid var(--page-news-border);
}

.page-news .archive-chart .img-frame {
  margin: 0;
}

.page-news .archive-chart__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

/* ========== 多端同步 ========== */
.page-news .news-sync {
  padding-top: 2.4rem;
}

.page-news .news-sync__inner {
  display: grid;
  gap: 1.8rem;
  align-items: center;
  position: relative;
  padding: 1.8rem;
  background:
    linear-gradient(135deg, rgba(27, 67, 50, 0.6), rgba(18, 18, 18, 0.86)),
    var(--c-primary-dark);
  border: 1px solid rgba(212, 175, 55, 0.18);
}

.page-news .news-sync__img {
  margin: 0;
  border: 1px solid rgba(212, 175, 55, 0.22);
  background: var(--c-dark);
}

.page-news .news-sync__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.page-news .news-sync__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  line-height: 1.2;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-news .news-sync__text {
  margin: 0;
  max-width: 46rem;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-text);
}

/* ========== 响应式布局 ========== */
@media (min-width: 700px) {
  .page-news .news-section__head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
  }

  .page-news .section-heading__note {
    max-width: 28rem;
    text-align: right;
  }

  .page-news .news-updates__layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.5fr);
    gap: 2.8rem;
  }

  .page-news .news-topics__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-topic-card--wide {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: 1.2rem;
  }

  .page-news .news-topic-card--wide .news-topic-card__body {
    padding: 1.8rem 2.2rem;
  }

  .page-news .news-archive__main {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }

  .page-news .archive-group:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.4rem;
    align-items: center;
    padding: 3rem 3rem 3.2rem;
    background:
      linear-gradient(115deg, var(--c-primary) 0%, var(--c-primary-dark) 44%, rgba(18, 18, 18, 0.94) 44.2%),
      var(--c-primary-dark);
  }

  .page-news .news-hero__stats {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-hero__shape {
    right: -30px;
    top: -40px;
  }

  .page-news .news-archive__layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.45fr);
    gap: 2.6rem;
  }

  .page-news .news-archive__main {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .page-news .archive-group:last-child {
    grid-column: auto;
  }

  .page-news .news-sync__inner {
    grid-template-columns: minmax(220px, 0.55fr) 1.45fr;
    gap: 2.4rem;
    padding: 2.2rem 2.8rem;
  }
}