.page-news {
  --notes-rule: 1px solid var(--turf-line);
  --notes-index-w: 250px;
}

/* ---------- 首屏：章节预览式，不做居中大标题 ---------- */
.page-news .notes-hero {
  padding-block: clamp(48px, 8vw, 104px) clamp(28px, 4vw, 48px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(52, 245, 197, 0.09), transparent 60%),
    var(--pitch-ink);
}

.page-news .notes-hero .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-news .notes-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .notes-hero__lead .eyebrow {
  margin-bottom: 14px;
}

.page-news .notes-hero__lead .display {
  margin: 0 0 20px;
  max-width: 18ch;
  text-wrap: balance;
}

.page-news .notes-hero__lead .lede {
  max-width: 46ch;
  color: var(--smoke);
}

.page-news .notes-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-content: end;
  padding-top: 20px;
  border-top: var(--notes-rule);
}

.page-news .notes-facts .stat__value {
  display: block;
  font-size: clamp(30px, 5.6vw, 44px);
  line-height: 1;
}

.page-news .notes-facts .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--smoke);
}

/* ---------- 编辑目录主体：左索引 + 右条目流 ---------- */
.page-news .notes-shell {
  display: grid;
  gap: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(64px, 10vw, 128px);
}

.page-news .notes-index__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--smoke);
}

.page-news .notes-index__label--gap {
  margin-top: 32px;
}

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

.page-news .notes-index__list .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .notes-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-cyan);
}

.page-news .notes-index__scale {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--turf-line);
  display: grid;
  gap: 12px;
  font-size: 13px;
  color: var(--smoke);
}

.page-news .notes-index__tick {
  display: inline-block;
  min-width: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-muted);
}

.page-news .notes-index__hint {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: var(--notes-rule);
  font-size: 12px;
  line-height: 1.75;
  color: var(--smoke);
}

/* ---------- 条目区块 ---------- */
.page-news .notes-flow {
  min-width: 0;
}

.page-news .notes-block {
  padding-block: clamp(36px, 5vw, 64px);
  border-top: var(--notes-rule);
}

.page-news .notes-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .notes-block__head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .notes-block__head .eyebrow {
  margin-bottom: 12px;
}

.page-news .notes-block__head .display--sm {
  margin: 0 0 16px;
}

.page-news .notes-block__head .prose {
  color: var(--smoke);
}

.page-news .notes-block__foot {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

.page-news .media-frame {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--card-slate);
}

.page-news .media-frame__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--smoke);
}

/* ---------- 栏目调整记录：等宽编号 + 1px 分隔条目 ---------- */
.page-news .notes-log {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .notes-log__item {
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: var(--notes-rule);
  transition: background-color var(--t-mid) var(--ease);
}

.page-news .notes-log__item:last-child {
  border-bottom: var(--notes-rule);
}

.page-news .notes-log__meta {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 8px;
}

.page-news .notes-log__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-muted);
  transition: color var(--t-fast) var(--ease);
}

.page-news .notes-log__time {
  font-size: 12px;
  color: var(--smoke);
}

.page-news .notes-log__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-news .notes-log__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

.page-news .notes-log__item:hover .notes-log__no {
  color: var(--neon-cyan);
}

/* ---------- 专题色块：6 度斜切，荧光青到橙红 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 18px;
}

.page-news .series-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px) clamp(22px, 3vw, 36px);
  background: linear-gradient(118deg, rgba(52, 245, 197, 0.16), rgba(255, 90, 31, 0.10) 78%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 22px) 100%, 0 100%);
  transition: transform var(--t-mid) var(--ease), filter var(--t-mid) var(--ease);
}

.page-news .series-card--alt {
  background: linear-gradient(118deg, rgba(255, 90, 31, 0.14), rgba(52, 245, 197, 0.12) 78%);
}

.page-news .series-card:hover {
  transform: translateY(-3px);
  filter: brightness(1.1);
}

.page-news .series-card__stage {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--chalk);
  opacity: 0.75;
}

.page-news .series-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 700;
  color: var(--chalk);
}

.page-news .series-card__text {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--whistle);
}

.page-news .series-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chalk);
}

.page-news .series-card__meta a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 247, 243, 0.35);
  padding-bottom: 2px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-news .series-card__meta a:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

/* ---------- 数据观察笔记 ---------- */
.page-news .obs-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .obs-item {
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: var(--notes-rule);
}

.page-news .obs-item:last-child {
  border-bottom: var(--notes-rule);
}

.page-news .obs-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--chalk);
}

.page-news .obs-item__link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--neon-cyan), var(--neon-cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-news .obs-item__link:hover,
.page-news .obs-item__link:focus-visible {
  color: var(--neon-cyan);
  background-size: 100% 1px;
}

.page-news .obs-item__text {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

.page-news .obs-item__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan-muted);
}

/* ---------- 版本对照：可展开 ---------- */
.page-news .compare {
  border-top: var(--notes-rule);
  border-bottom: var(--notes-rule);
  background: var(--card-slate);
}

.page-news .compare__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 24px) clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
}

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

.page-news .compare__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  color: var(--chalk);
}

.page-news .compare__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-news .compare__sign::before,
.page-news .compare__sign::after {
  content: "";
  position: absolute;
  background: var(--neon-cyan);
  transition: transform var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease);
}

.page-news .compare__sign::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.page-news .compare__sign::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.page-news .compare[open] .compare__sign::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-news .compare__body {
  padding: 0 clamp(16px, 2.4vw, 24px) clamp(20px, 3vw, 28px);
}

.page-news .compare__list {
  margin: 0 0 18px;
  padding: 0;
}

.page-news .compare__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: var(--notes-rule);
}

.page-news .compare__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon-cyan);
}

.page-news .compare__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

.page-news .compare__note {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--smoke);
}

.page-news .compare__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 回查方式 ---------- */
.page-news .find-grid {
  display: grid;
  gap: 20px;
}

.page-news .find-card {
  padding: 22px 0 0;
  border-top: 2px solid var(--neon-cyan);
}

.page-news .find-card__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--smoke);
}

.page-news .find-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--chalk);
}

.page-news .find-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--smoke);
}

/* ---------- 收尾 ---------- */
.page-news .notes-block--close {
  border-top: var(--notes-rule);
}

.page-news .notes-close__row {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-news .notes-close__row .prose {
  margin: 0;
  color: var(--smoke);
}

.page-news .notes-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .series-card:first-child {
    grid-column: 1 / -1;
  }

  .page-news .find-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-news .compare__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-news .notes-close__row {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1024px) {
  .page-news .notes-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(40px, 5vw, 80px);
  }

  .page-news .notes-shell {
    grid-template-columns: var(--notes-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .notes-index {
    position: sticky;
    top: calc(var(--bar-h) + 32px);
  }

  .page-news .notes-index__list {
    display: grid;
  }

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

  .page-news .series-card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .obs-item__link,
  .page-news .notes-log__no,
  .page-news .compare__sign::before,
  .page-news .compare__sign::after {
    transition: none;
  }

  .page-news .series-card:hover {
    transform: none;
  }
}