.page-news {
  --news-shadow: 6px 6px 0 var(--green-deep);
  --news-shadow-sm: 3px 3px 0 var(--green-deep);
  --news-rule: 2px solid var(--green-deep);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏框景 ---------- */
.page-news .press-hero {
  background: var(--cream);
  border-bottom: var(--news-rule);
  padding-top: calc(var(--header-h) + clamp(20px, 3vw, 40px));
  padding-bottom: clamp(44px, 6vw, 88px);
}

.page-news .hero-tick {
  height: 16px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(to right, var(--green-deep) 0 1px, transparent 1px 28px);
  background-size: 28px 12px;
  background-position: left bottom;
  background-repeat: repeat-x;
}

.page-news .hero-eyebrow {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-news .hero-title {
  margin: 10px 0 0;
  font-size: clamp(40px, 8vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--green-deep);
}

.page-news .hero-lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--ink);
}

.page-news .hero-frame {
  position: relative;
  margin-top: clamp(28px, 4vw, 48px);
  border: var(--news-rule);
  background: var(--paper);
  box-shadow: var(--news-shadow);
  padding: clamp(20px, 3vw, 34px);
}

.page-news .hero-frame::before,
.page-news .hero-frame::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--copper);
}

.page-news .hero-frame::before {
  top: -7px;
  left: -7px;
}

.page-news .hero-frame::after {
  bottom: -7px;
  right: -7px;
}

.page-news .hero-frame-note {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-news .hero-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news .hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
}

.page-news .hero-meta-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1.2;
  color: var(--green-deep);
}

.page-news .hero-meta-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 本期要目 ---------- */
.page-news .press-brief {
  background: var(--cream);
  padding-block: var(--band-y);
}

.page-news .brief-box {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .brief-lead {
  display: grid;
  gap: clamp(18px, 2.5vw, 30px);
  border: var(--news-rule);
  background: var(--cream);
  box-shadow: var(--news-shadow);
  padding: clamp(20px, 3vw, 34px);
}

.page-news .brief-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .brief-period {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .brief-title {
  margin: 14px 0 0;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.28;
  color: var(--green-deep);
}

.page-news .brief-desc {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  color: var(--ink);
}

.page-news .brief-pair {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
}

.page-news .brief-item {
  border: var(--news-rule);
  background: var(--paper);
  box-shadow: var(--news-shadow-sm);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .brief-item .brief-title {
  margin-top: 12px;
  font-size: clamp(18px, 1.9vw, 22px);
}

.page-news .brief-figure {
  margin: 0;
}

.page-news .brief-figure .figure-media {
  box-shadow: var(--news-shadow-sm);
}

/* ---------- 条目流 ---------- */
.page-news .press-stream {
  background: var(--paper);
  padding-block: var(--band-y);
}

.page-news .press-layout {
  display: grid;
  gap: clamp(28px, 3.5vw, 48px);
}

.page-news .rail-block + .rail-block {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-news .rail-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  border: 2px solid transparent;
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  border-color: var(--copper);
  background: var(--cream);
}

.page-news .rail-link:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-news .rail-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--copper);
}

.page-news .rail-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--sage);
}

.page-news .rail-periods {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line);
}

.page-news .rail-period {
  position: relative;
  padding: 10px 0 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sage);
}

.page-news .rail-period::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--line);
}

.page-news .rail-period.is-current {
  color: var(--green-deep);
  font-weight: 700;
}

.page-news .rail-period.is-current::before {
  left: -9px;
  width: 16px;
  height: 4px;
  background: var(--copper);
}

.page-news .stream-group + .stream-group {
  margin-top: clamp(40px, 5vw, 64px);
}

.page-news .group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: clamp(14px, 2vw, 20px);
  padding-top: 14px;
  border-top: var(--news-rule);
}

.page-news .group-title {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--green-deep);
}

.page-news .group-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sage);
}

.page-news .group-figure {
  margin: 0 0 clamp(16px, 2vw, 22px);
}

.page-news .group-figure .figure-media {
  box-shadow: var(--news-shadow-sm);
}

.page-news .entry {
  display: grid;
  gap: 12px 20px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .entry-period {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-news .entry-title {
  margin: 0;
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.35;
  color: var(--green-deep);
}

.page-news .entry-desc {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  color: var(--ink);
}

.page-news .entry-note {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-news .entry-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-news .entry-thumb {
  margin: 0;
  width: 100%;
  max-width: 200px;
}

.page-news .entry-thumb .figure-media {
  box-shadow: var(--news-shadow-sm);
}

/* ---------- 归档与更新节奏 ---------- */
.page-news .press-archive {
  background: var(--green);
  padding-block: var(--band-y);
  color: var(--cream);
}

.page-news .press-archive .section-title {
  color: var(--cream);
}

.page-news .press-archive .section-lede {
  color: var(--paper);
}

.page-news .press-archive .section-index {
  color: var(--copper-light);
}

.page-news .archive-tabs {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-news .archive-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .archive-tabs .tab {
  min-height: 44px;
  padding: 10px 20px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-news .archive-tabs .tab[aria-selected="true"] {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--green-deep);
}

.page-news .archive-tabs .tab:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: 2px;
}

.page-news .archive-tabs .tab-panel {
  margin-top: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--line);
  background: var(--green-deep);
  padding: clamp(20px, 3vw, 34px);
}

.page-news .archive-tabs .tab-panel + .tab-panel {
  margin-top: 12px;
}

.page-news .panel-title {
  margin: 0 0 14px;
  font-size: clamp(18px, 1.9vw, 22px);
  color: var(--copper-light);
}

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

.page-news .panel-list li {
  position: relative;
  padding-left: 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .panel-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--copper);
}

.page-news .fold {
  margin-top: clamp(36px, 4.5vw, 56px);
}

.page-news .fold-title {
  margin: 0 0 16px;
  font-size: clamp(18px, 1.9vw, 22px);
  color: var(--cream);
}

.page-news .fold-item {
  border: 2px solid var(--line);
  background: var(--green-deep);
}

.page-news .fold-item + .fold-item {
  margin-top: 10px;
}

.page-news .fold-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
}

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

.page-news .fold-summary::after {
  content: "+";
  margin-left: auto;
  font-size: 16px;
  color: var(--copper);
}

.page-news .fold-item[open] .fold-summary::after {
  content: "–";
}

.page-news .fold-summary:focus-visible {
  outline: 2px solid var(--copper-light);
  outline-offset: -2px;
}

.page-news .fold-list {
  list-style: none;
  margin: 0;
  padding: 0 18px 18px;
  display: grid;
  gap: 8px;
}

.page-news .fold-list li {
  position: relative;
  padding-left: 18px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .fold-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--copper);
}

/* ---------- 后续入口 ---------- */
.page-news .press-next {
  background: var(--cream);
  padding-block: clamp(48px, 6vw, 80px);
}

.page-news .next-lede {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 46ch;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--green-deep);
}

.page-news .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-news .next-actions .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .brief-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .entry {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .entry-period {
    padding-top: 4px;
  }

  .page-news .entry-side {
    align-items: flex-end;
  }
}

@media (min-width: 900px) {
  .page-news .brief-lead {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .press-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-news .press-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1000px) {
  .page-news .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-link,
  .page-news .archive-tabs .tab {
    transition: none;
  }
}