.page-news {
  --news-line: rgba(216, 169, 75, 0.24);
  --news-line-strong: rgba(216, 169, 75, 0.6);
  --news-card: rgba(18, 41, 74, 0.85);
  --news-wine-soft: rgba(110, 43, 62, 0.5);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: 36px 0 30px;
  border-bottom: 3px solid var(--gold);
  background:
    radial-gradient(130% 100% at 88% 0%, rgba(216, 169, 75, 0.16), transparent 62%),
    repeating-linear-gradient(90deg, rgba(216, 169, 75, 0.09) 0 1px, transparent 1px 64px),
    var(--ink-900);
  overflow: hidden;
}

.page-news .news-masthead-inner {
  position: relative;
}

.page-news .news-title {
  margin: 14px 0 18px;
  font-size: clamp(32px, 8.6vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--parchment);
}

.page-news .news-title-accent {
  display: block;
  color: var(--gold);
}

.page-news .news-lede {
  max-width: 62ch;
}

.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-jump-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 2px solid var(--news-line);
  background: rgba(10, 26, 47, 0.7);
  color: var(--parchment);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .news-jump-link:hover,
.page-news .news-jump-link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-hi);
  background: rgba(216, 169, 75, 0.1);
}

/* ---------- 区块通用 ---------- */
.page-news .news-section {
  padding: 52px 0;
}

.page-news .news-section + .news-section {
  border-top: 1px solid var(--news-line);
}

.page-news .news-section-head {
  max-width: 68ch;
  margin-bottom: 30px;
}

.page-news .news-h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 5.4vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--parchment);
}

.page-news .news-p {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--parchment);
}

.page-news .news-overview-media img,
.page-news .news-band img,
.page-news .news-regions-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 栏目导览 ---------- */
.page-news .news-overview {
  display: grid;
  gap: 34px;
}

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

.page-news .news-topic {
  position: relative;
  padding: 18px 18px 20px;
  border: 2px solid var(--news-line);
  background: var(--news-card);
  box-shadow: var(--shadow-hard-sm);
}

.page-news .news-topic-num {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--jade);
}

.page-news .news-topic-name {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--gold-hi);
}

.page-news .news-topic p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--parchment);
}

/* ---------- 季度更新专栏 ---------- */
.page-news .news-band {
  margin-bottom: 34px;
}

.page-news .news-list {
  display: grid;
  gap: 20px;
}

.page-news .news-disc {
  padding: 0;
  border: 2px solid var(--news-line);
  background: var(--news-card);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color 0.18s var(--ease), transform 0.28s var(--ease);
}

.page-news .news-disc:hover,
.page-news .news-disc:focus-within {
  border-color: var(--gold);
}

.page-news .news-disc-head {
  margin: 0;
}

.page-news .news-disc-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  min-height: 64px;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-news .news-disc-index {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-news .news-disc-title {
  flex: 1 1 180px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--parchment);
}

.page-news .news-disc .disclosure-panel {
  padding: 16px 18px 22px;
  border-top: 1px dashed var(--news-line);
  font-size: 16px;
  line-height: 1.85;
  color: var(--parchment);
}

.page-news .news-disc .disclosure-panel[hidden] {
  display: none;
}

.page-news .news-disc .disclosure-panel p {
  margin: 0;
  max-width: 64ch;
}

.page-news .news-disc .disclosure-panel ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.page-news .news-disc .disclosure-panel li {
  margin-top: 8px;
}

.page-news .news-disc .disclosure-panel li::marker {
  color: var(--jade);
}

/* ---------- 分类说明更新（标签切换） ---------- */
.page-news .news-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.page-news .news-tabs .tab {
  -webkit-appearance: none;
  appearance: none;
  min-height: 48px;
  padding: 12px 14px;
  border: 2px solid var(--news-line);
  background: var(--news-card);
  color: var(--parchment);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .news-tabs .tab:hover {
  border-color: var(--gold);
}

.page-news .news-tabs .tab[aria-selected="true"] {
  border-color: var(--gold-hi);
  background: var(--gold);
  color: var(--ink-950);
  box-shadow: inset 0 -4px 0 0 rgba(6, 19, 33, 0.35);
}

.page-news .news-tabs .tab-panel {
  grid-column: 1 / -1;
  margin-top: 18px;
}

.page-news .news-panel {
  display: grid;
  gap: 14px;
  padding: 20px 18px;
  border-left: 3px solid var(--jade);
  background: rgba(18, 41, 74, 0.6);
}

.page-news .news-panel[hidden] {
  display: none;
}

.page-news .news-entry {
  padding: 16px 18px;
  border: 1px solid var(--news-line);
  background: var(--ink-900);
}

.page-news .news-entry-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--gold-hi);
}

.page-news .news-entry p {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--parchment);
}

/* ---------- 地区分组观察 ---------- */
.page-news .news-regions {
  display: grid;
  gap: 34px;
}

.page-news .news-region-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-region {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-region:first-child {
  border-top: 1px solid var(--news-line);
}

.page-news .news-region-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-news .news-region p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--parchment);
}

.page-news .news-regions-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--magenta);
  background: var(--news-wine-soft);
  font-size: 15px;
  line-height: 1.8;
  color: var(--parchment);
}

/* ---------- 周期节点 ---------- */
.page-news .news-timeline {
  margin-top: 34px;
}

.page-news .news-timeline-svg {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-news .news-node {
  position: relative;
  padding: 6px 0 22px 18px;
  border-left: 2px solid var(--news-line);
  outline: none;
}

.page-news .news-node-when {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--jade);
}

.page-news .news-node-name {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--parchment);
}

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

.page-news .news-node-hint {
  display: block;
  max-height: 0;
  margin-top: 0;
  padding-left: 12px;
  border-left: 2px solid var(--jade);
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gold-hi);
  transition: opacity 0.18s var(--ease), max-height 0.28s var(--ease), margin-top 0.28s var(--ease);
}

.page-news .news-node:hover .news-node-hint,
.page-news .news-node:focus-within .news-node-hint,
.page-news .news-node:focus .news-node-hint {
  max-height: 140px;
  margin-top: 12px;
  opacity: 1;
}

/* ---------- 订阅与回溯 ---------- */
.page-news .news-subscribe {
  display: grid;
  gap: 30px;
}

.page-news .news-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: nstep;
  display: grid;
  gap: 14px;
}

.page-news .news-step {
  counter-increment: nstep;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 18px;
  border: 2px solid var(--news-line);
  background: var(--news-card);
}

.page-news .news-step::before {
  content: counter(nstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--gold);
}

.page-news .news-step-name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--gold-hi);
}

.page-news .news-step p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--parchment);
  overflow-wrap: anywhere;
}

.page-news .news-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-news .news-backlink {
  padding: 22px 20px;
  border: 2px solid var(--news-line);
  background: linear-gradient(160deg, rgba(110, 43, 62, 0.55), rgba(10, 26, 47, 0.9));
  box-shadow: var(--shadow-hard);
}

.page-news .news-backlink-name {
  margin: 12px 0 12px;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--parchment);
}

.page-news .news-backlink p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--parchment);
}

.page-news .news-backlink-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-backlink-list li {
  position: relative;
  padding: 12px 0 12px 18px;
  border-top: 1px solid rgba(216, 169, 75, 0.28);
  font-size: 15px;
  line-height: 1.75;
  color: var(--parchment);
}

.page-news .news-backlink-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .news-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-region {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-news .news-tabs .tab {
    padding: 14px 16px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead {
    padding: 56px 0 44px;
  }

  .page-news .news-section {
    padding: 68px 0;
  }

  .page-news .news-overview {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-list {
    gap: 24px;
  }

  .page-news .news-list .news-disc:nth-child(even) {
    margin-left: 5%;
  }

  .page-news .news-list .news-disc:nth-child(3) {
    margin-left: 2%;
  }

  .page-news .news-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-regions {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.72fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-nodes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 10px;
  }

  .page-news .news-node {
    padding: 20px 20px 0 0;
    border-left: 0;
    border-top: 2px solid var(--news-line);
    margin-right: 20px;
  }

  .page-news .news-node:last-child {
    margin-right: 0;
  }

  .page-news .news-subscribe {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-backlink {
    margin-top: 26px;
  }
}

@media (hover: none) {
  .page-news .news-node-hint {
    max-height: 140px;
    margin-top: 12px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-disc,
  .page-news .news-node-hint,
  .page-news .news-tabs .tab,
  .page-news .news-jump-link {
    transition: none;
  }
}