.page-news {
  --news-side-w: 264px;
  --news-gap: 34px;
  --news-shadow: 6px 6px 0 rgba(6, 18, 31, .6);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 24px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 12px;
}

.page-news .news-hero-inner {
  display: grid;
  gap: 26px;
}

.page-news .news-hero-copy > * + * {
  margin-top: 16px;
}

.page-news .news-hero-copy h1 {
  font-size: clamp(30px, 6.4vw, 40px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: .5px;
  margin: 0;
  max-width: 22ch;
}

.page-news .news-hero-copy .lede {
  max-width: 66ch;
  color: var(--muted);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-hero-stats li {
  background: var(--panel);
  padding: 14px 12px 16px;
  min-width: 0;
}

.page-news .news-hero-stats .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 5.6vw, 30px);
  line-height: 1.1;
  color: var(--lime);
}

.page-news .news-hero-stats .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 最近一次变更横幅 ---------- */
.page-news .latest-banner {
  position: relative;
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  background: linear-gradient(180deg, rgba(18, 42, 68, .96), rgba(11, 30, 51, .98));
  box-shadow: var(--news-shadow);
  overflow: hidden;
}

.page-news .latest-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(212, 175, 55, .1) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-news .latest-banner > * {
  position: relative;
  z-index: 1;
}

.page-news .latest-copy {
  padding: 24px 20px 26px;
}

.page-news .latest-title {
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 900;
  line-height: 1.4;
  margin: 14px 0 12px;
  color: var(--paper);
}

.page-news .latest-copy > p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 60ch;
}

.page-news .latest-actions {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .latest-actions li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .latest-actions .step-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--gold);
  line-height: 2;
}

.page-news .latest-media {
  background: var(--ink-deep);
  aspect-ratio: 16 / 7;
  min-height: 180px;
}

.page-news .latest-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 条目区布局 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news .news-side {
  display: grid;
  gap: 20px;
  align-content: start;
  min-width: 0;
}

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

/* ---------- 左侧窄栏 ---------- */
.page-news .side-block {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 16px 18px;
}

.page-news .side-block .eyebrow {
  margin: 0 0 12px;
}

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

.page-news .side-index li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(44, 74, 104, .9);
  font-size: 15px;
}

.page-news .side-index li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .idx-name {
  color: var(--paper);
}

.page-news .idx-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  white-space: nowrap;
}

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

.page-news .tag-cloud .tag {
  font-size: 12px;
  padding: 4px 10px;
}

.page-news .side-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .side-jump a {
  color: var(--gold-lit);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-news .side-jump a:hover,
.page-news .side-jump a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 分类面板 ---------- */
.page-news .cat-panel {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-news .cat-copy {
  padding: 22px 20px 24px;
}

.page-news .cat-copy .section-title {
  font-size: clamp(21px, 3.6vw, 26px);
  margin: 10px 0 18px;
}

.page-news .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .cat-list li {
  display: grid;
  gap: 4px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid rgba(212, 175, 55, .45);
}

.page-news .cat-name {
  color: var(--paper);
  font-weight: 700;
  font-family: var(--font-body);
}

.page-news .cat-figure {
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-news .cat-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ---------- 条目列表 ---------- */
.page-news .news-list-head {
  margin-top: 40px;
}

.page-news .news-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  position: relative;
  padding: 18px 0 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .25s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18px;
  bottom: 20px;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .25s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  transform: scaleY(1);
}

.page-news .news-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  transition: transform .25s var(--ease);
}

.page-news .news-item:hover .news-item-head {
  transform: translateX(8px);
}

.page-news .news-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

.page-news .news-item-title {
  margin: 10px 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: transform .25s var(--ease);
}

.page-news .news-item:hover .news-item-title {
  transform: translateX(8px);
}

.page-news .news-item-sum {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  transition: transform .25s var(--ease);
}

.page-news .news-item:hover .news-item-sum {
  transform: translateX(8px);
}

/* ---------- 版本节奏 ---------- */
.page-news .rhythm-scale {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-news .rhythm-point {
  position: relative;
  padding-top: 24px;
  min-width: 0;
}

.page-news .rhythm-point::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: -26px;
  height: 1px;
  background: var(--line);
}

.page-news .rhythm-point:last-child::before {
  right: 0;
}

.page-news .rp-dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 13px;
  height: 13px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--ink);
}

.page-news .rhythm-point .mono-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 6vw, 34px);
  line-height: 1.1;
}

.page-news .rp-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: .4px;
  color: var(--gold);
}

.page-news .rhythm-point p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .rhythm-foot {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--muted);
}

.page-news .rhythm-foot a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, .5);
}

.page-news .rhythm-foot a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 频次观察专题 ---------- */
.page-news .topic-grid {
  display: grid;
  gap: 26px;
}

.page-news .topic-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-news .topic-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .topic-copy .section-title {
  font-size: clamp(22px, 4vw, 28px);
  margin: 10px 0 14px;
}

.page-news .topic-copy > p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
}

.page-news .topic-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .topic-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 2px;
  background: var(--gold);
}

.page-news .topic-foot {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

.page-news .topic-foot a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 175, 55, .5);
}

.page-news .topic-foot a:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 栏目动态 ---------- */
.page-news .dynamics-grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

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

.page-news .dynamics-list li {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 18px 18px;
  border-left: 3px solid var(--gold);
}

.page-news .dyn-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  margin-bottom: 8px;
}

.page-news .dynamics-list h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-news .dynamics-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-news .dynamics-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .dynamics-figure figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe-card {
  display: grid;
  gap: 26px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: linear-gradient(160deg, rgba(18, 42, 68, .95), rgba(6, 18, 31, .95));
  padding: 26px 20px 28px;
}

.page-news .subscribe-copy .section-title {
  font-size: clamp(22px, 4vw, 27px);
  margin: 10px 0 14px;
}

.page-news .subscribe-copy > p {
  margin: 0 0 20px;
  max-width: 56ch;
  color: var(--muted);
}

.page-news .subscribe-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .subscribe-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-news .subscribe-steps .step-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--lime);
  line-height: 1.6;
}

.page-news .subscribe-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .subscribe-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr);
    align-items: end;
    gap: 34px;
  }

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

  .page-news .cat-panel {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-news .cat-figure {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .cat-figure img {
    aspect-ratio: 1 / 1;
  }

  .page-news .rhythm-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .rhythm-point::before {
    right: -22px;
  }

  .page-news .subscribe-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    padding: 32px 30px 34px;
    gap: 34px;
  }
}

@media (min-width: 880px) {
  .page-news .latest-banner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-news .latest-copy {
    padding: 30px 28px 32px;
  }

  .page-news .latest-media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .page-news .topic-grid {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: center;
    gap: 36px;
  }

  .page-news .dynamics-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
    gap: 30px;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-side-w) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .news-item-head,
  .page-news .news-item-title,
  .page-news .news-item-sum,
  .page-news .side-jump a {
    transition: none;
  }
}