.page-news {
  --news-index-w: 224px;
  --news-rail: 12px;
  color: var(--ink-80);
  font-family: var(--font-sans);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(96px, 13vh, 132px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate);
}
.page-news .news-crumb a {
  color: var(--turquoise-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.page-news .news-crumb a:hover {
  color: var(--tibetan-red);
  border-color: var(--tibetan-red);
}
.page-news .news-crumb-sep {
  color: var(--ink-45);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(32px, 5vw, 60px);
}
.page-news .news-hero-title {
  margin: 18px 0 0;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 17em;
}
.page-news .news-hero-lead {
  margin: 22px 0 0;
  max-width: 42em;
  line-height: 1.85;
  color: var(--slate);
}
.page-news .news-hero-meta {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--slate);
}
.page-news .news-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}
.page-news .news-hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg) translateY(-1px);
  flex: none;
}
.page-news .news-hero-meta .mono {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
}

/* ---------- 本期提要 ---------- */
.page-news .news-brief {
  margin-top: clamp(8px, 2vw, 20px);
  margin-bottom: clamp(8px, 2vw, 20px);
  background: var(--limestone);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.6vw, 44px);
}
.page-news .news-brief-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 20px;
  margin-bottom: 18px;
}
.page-news .news-brief p {
  margin: 0 0 12px;
  max-width: 52em;
  line-height: 1.85;
  color: var(--ink-80);
}
.page-news .news-brief p:last-child {
  margin-bottom: 0;
}

/* ---------- 条目看板 ---------- */
.page-news .news-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(36px, 6vw, 72px);
}
.page-news .news-board-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 24px;
}
.page-news .news-board-head p {
  margin: 0;
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--slate);
}

/* 分类索引 */
.page-news .news-index {
  display: flex;
  flex-direction: column;
}
.page-news .news-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.page-news .news-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 4px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--slate);
  cursor: pointer;
  border-bottom: 1px solid var(--ink-06);
  transition: color var(--dur-fast) var(--ease);
}
.page-news .news-filter:hover {
  color: var(--turquoise-deep);
}
.page-news .news-filter-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ink-12);
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.page-news .news-filter em {
  margin-left: auto;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-45);
}
.page-news .news-filter-input:checked + .news-filter {
  color: var(--tibetan-red);
  font-weight: 600;
}
.page-news .news-filter-input:checked + .news-filter .news-filter-dot {
  background: var(--tibetan-red);
  transform: scale(1.5);
}
.page-news .news-filter-input:focus-visible + .news-filter {
  outline: 2px solid var(--turquoise-bright);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* 条目流 */
.page-news .news-stream {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-news .news-card {
  display: grid;
  grid-template-columns: var(--news-rail) minmax(0, 1fr);
  gap: 18px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--ink-12);
}
.page-news .news-card:first-child {
  border-top: 1px solid var(--ink-12);
}
.page-news .news-card-rail {
  align-self: stretch;
  width: var(--news-rail);
  border-left: 1px solid var(--gold);
  background-image: repeating-linear-gradient(to bottom, var(--ink-12) 0 1px, transparent 1px 10px);
  background-size: 7px 100%;
  background-repeat: no-repeat;
  background-position: left 4px;
}
.page-news .news-card-body {
  min-width: 0;
}
.page-news .news-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
}
.page-news .news-card-time {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-45);
}
.page-news .news-card-title {
  margin: 12px 0 10px;
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-news .news-card-text {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}
.page-news .news-card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--turquoise-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 91, 82, .3);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-news .news-card-link:hover {
  color: var(--tibetan-red);
  border-color: var(--tibetan-red);
}
.page-news .news-card-media {
  margin-top: 18px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--limestone);
  aspect-ratio: 12 / 7;
}
.page-news .news-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(40px, 7vw, 84px);
  background: linear-gradient(180deg, rgba(228, 222, 208, .58) 0%, rgba(228, 222, 208, 0) 100%);
}
.page-news .news-series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.page-news .news-series-intro {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}
.page-news .news-series-media {
  margin-top: 26px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
}
.page-news .news-series-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .news-series-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--ink-12);
}
.page-news .news-series-item:last-child {
  border-bottom: 1px solid var(--ink-12);
}
.page-news .news-series-num {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--turquoise-deep);
  padding-bottom: 6px;
  border-bottom: 3px solid var(--gold);
}
.page-news .news-series-item-body {
  min-width: 0;
}
.page-news .news-series-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.005em;
  color: var(--ink);
}
.page-news .news-series-item-body p {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 季度供应通报 ---------- */
.page-news .news-supply {
  padding-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(40px, 7vw, 84px);
}
.page-news .news-supply-head {
  max-width: 46em;
  margin-bottom: clamp(26px, 4vw, 42px);
}
.page-news .news-supply-head p {
  margin: 16px 0 0;
  line-height: 1.85;
  color: var(--slate);
}
.page-news .news-supply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}
.page-news .news-quarters {
  background: var(--limestone);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
}
.page-news .news-quarter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.page-news .news-quarter-tab {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate);
  background: rgba(245, 241, 232, .74);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.page-news .news-quarter-tab:hover {
  color: var(--turquoise-deep);
}
.page-news .news-quarter-tabs .news-filter-input:focus-visible + .news-quarter-tab {
  outline: 2px solid var(--turquoise-bright);
  outline-offset: 2px;
}
.page-news .news-quarter-tabs .news-filter-input:checked + .news-quarter-tab {
  background: var(--tibetan-red);
  color: var(--rock-white);
  font-weight: 600;
}
.page-news .news-quarter-panel {
  display: none;
}
.page-news .news-quarter-panel:first-child {
  display: block;
}
.page-news .news-quarters:has(input:checked) .news-quarter-panel {
  display: none;
}
.page-news .news-quarters:has(#nq-1:checked) .news-quarter-panel[data-q="1"],
.page-news .news-quarters:has(#nq-2:checked) .news-quarter-panel[data-q="2"],
.page-news .news-quarters:has(#nq-3:checked) .news-quarter-panel[data-q="3"],
.page-news .news-quarters:has(#nq-4:checked) .news-quarter-panel[data-q="4"] {
  display: block;
  animation: news-panel-in var(--dur-mid) var(--ease) both;
}
.page-news .news-quarter-note {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-80);
}
.page-news .news-quarter-rows {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-12);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.page-news .news-quarter-rows > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 18px;
  padding: 12px 16px;
  background: var(--rock-white);
}
.page-news .news-quarter-rows dt {
  font-size: 14px;
  color: var(--slate);
}
.page-news .news-quarter-rows dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.page-news .news-supply-media {
  margin-top: 0;
  aspect-ratio: 10 / 7;
  border-radius: var(--radius-lg);
}

@keyframes news-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 读者提问 ---------- */
.page-news .news-ask {
  padding-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(40px, 7vw, 84px);
}
.page-news .news-ask-intro {
  margin: 16px 0 0;
  max-width: 44em;
  line-height: 1.85;
  color: var(--slate);
}
.page-news .news-ask-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 36px);
}
.page-news .news-ask-list details {
  border: 1px solid var(--ink-12);
  border-radius: var(--radius-md);
  padding: 0 clamp(16px, 2.4vw, 24px);
  background: rgba(245, 241, 232, .55);
  transition: border-color var(--dur-fast) var(--ease);
}
.page-news .news-ask-list details[open] {
  border-color: rgba(201, 162, 39, .55);
  background: var(--rock-white);
}
.page-news .news-ask-list details:hover {
  border-color: rgba(14, 91, 82, .4);
}
.page-news .news-ask-list summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.page-news .news-ask-list summary::-webkit-details-marker {
  display: none;
}
.page-news .news-ask-list summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--tibetan-red);
}
.page-news .news-ask-list details[open] summary::before {
  content: "–";
}
.page-news .news-ask-list summary:focus-visible {
  outline: 2px solid var(--turquoise-bright);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.page-news .news-ask-body {
  margin: 0 0 20px 31px;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 结尾行动区 ---------- */
.page-news .news-cta {
  margin-bottom: clamp(48px, 8vw, 96px);
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 54px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px 40px;
}
.page-news .news-cta-text {
  max-width: 34em;
}
.page-news .news-cta-text h2 {
  margin: 0;
  color: var(--rock-white);
}
.page-news .news-cta-text p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--light-80);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-news .news-board {
    grid-template-columns: var(--news-index-w) minmax(0, 1fr);
    column-gap: 48px;
    row-gap: 30px;
  }
  .page-news .news-board-head {
    grid-column: 1 / -1;
  }
  .page-news .news-index {
    position: sticky;
    top: 120px;
    align-self: start;
    grid-row: 2;
  }
  .page-news .news-supply-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-news .news-series-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 64px;
    align-items: start;
  }
  .page-news .news-series-media {
    margin-top: 34px;
  }
}

@media (min-width: 1180px) {
  .page-news .news-board {
    column-gap: 72px;
  }
  .page-news .news-series-grid {
    gap: 88px;
  }
}

@media (max-width: 520px) {
  .page-news .news-crumb {
    padding-top: 88px;
  }
  .page-news .news-card {
    grid-template-columns: 8px minmax(0, 1fr);
    gap: 14px;
  }
  .page-news .news-card-rail {
    width: 8px;
    background-size: 5px 100%;
  }
  .page-news .news-ask-body {
    margin-left: 18px;
    padding-left: 12px;
  }
  .page-news .news-hero-meta {
    gap: 12px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-quarters:has(#nq-1:checked) .news-quarter-panel[data-q="1"],
  .page-news .news-quarters:has(#nq-2:checked) .news-quarter-panel[data-q="2"],
  .page-news .news-quarters:has(#nq-3:checked) .news-quarter-panel[data-q="3"],
  .page-news .news-quarters:has(#nq-4:checked) .news-quarter-panel[data-q="4"] {
    animation: none;
  }
  .page-news .news-filter,
  .page-news .news-card-link,
  .page-news .news-quarter-tab {
    transition: none;
  }
}