.page-news {
  --news-rule: rgba(138, 144, 136, 0.24);
  --news-rule-strong: rgba(138, 144, 136, 0.44);
  --news-panel: rgba(79, 107, 69, 0.16);
  --news-hit: rgba(72, 240, 176, 0.06);
  padding-bottom: clamp(48px, 9vw, 104px);
}

.page-news .news-section {
  padding-block: clamp(32px, 6vw, 68px);
  border-top: 1px solid var(--news-rule);
}

.page-news .news-section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 4vw, 36px);
  max-width: 62ch;
}

.page-news .news-section-head .section-title {
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
  padding-block: clamp(18px, 4vw, 34px) clamp(36px, 7vw, 72px);
}

.page-news .news-hero-main h1 {
  font-family: var(--font-head);
  font-size: clamp(29px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-news .news-hero-main .lede {
  margin-top: 18px;
  max-width: 54ch;
}

.page-news .news-headline {
  margin-top: clamp(24px, 4vw, 38px);
  padding: clamp(16px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-rule);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(46, 125, 79, 0.34), transparent 62%),
    linear-gradient(160deg, rgba(11, 15, 13, 0.92), rgba(7, 37, 28, 0.86));
  overflow: hidden;
}

.page-news .news-headline-shot {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
}

.page-news .news-headline-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .news-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--clay);
  text-transform: none;
}

.page-news .news-headline-title {
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-news .news-headline-body p {
  margin: 0 0 10px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-headline-body p.note {
  margin-bottom: 0;
  color: var(--text-mute);
  font-size: 13px;
}

/* 侧栏 */

.page-news .news-aside {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-rule);
  background: linear-gradient(180deg, var(--news-panel), rgba(7, 37, 28, 0.55));
}

.page-news .news-aside-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .news-aside-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(72, 240, 176, 0.16);
  flex: none;
}

.page-news .news-aside-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

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

.page-news .news-brief {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-brief:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-news .news-brief-index {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--neon);
  letter-spacing: 0.08em;
}

.page-news .news-brief-title {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text);
  transition: color var(--dur-fast) var(--ease);
}

.page-news .news-brief:hover .news-brief-title {
  color: var(--neon);
}

.page-news .news-brief-meta {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}

.page-news .news-aside-cta {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 分类索引 ---------- */

.page-news .news-cat-block {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-news .news-cat-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
}

.page-news .news-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-cat {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: var(--news-panel);
  color: var(--text);
  font-size: 14px;
  line-height: 1.2;
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.page-news .news-cat--dim {
  background: transparent;
  border-color: var(--news-rule);
  color: var(--text-dim);
  font-size: 13.5px;
}

.page-news .news-cat:hover {
  border-color: var(--neon);
  background: rgba(72, 240, 176, 0.1);
}

.page-news .news-cats-note {
  max-width: 68ch;
  margin: 0;
}

/* ---------- 文章列表 ---------- */

.page-news .news-list {
  display: grid;
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3.4vw, 30px) clamp(0px, 1.4vw, 16px);
  border-top: 1px solid var(--news-rule);
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14%;
  bottom: 14%;
  width: 2px;
  border-radius: 2px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-news .news-item:hover {
  background: var(--news-hit);
}

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

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .news-item-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.3vw, 23px);
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) var(--ease);
}

.page-news .news-item:hover .news-item-title {
  color: var(--neon);
}

.page-news .news-item-body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 68ch;
}

.page-news .news-item-foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}

.page-news .news-insert {
  margin: 0;
  padding: clamp(10px, 2vw, 16px) 0 clamp(22px, 3.6vw, 32px);
}

.page-news .news-insert-frame {
  max-width: 720px;
  margin: 0;
}

/* ---------- 专题系列 ---------- */

.page-news .news-series-grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-news .news-series-shot {
  margin: 0;
}

.page-news .news-series-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-series-list .expand {
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--news-panel), rgba(7, 37, 28, 0.5));
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-news .news-series-list .expand:hover {
  border-color: var(--news-rule-strong);
}

.page-news .news-series-list .expand-trigger {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .news-series-list .expand-panel {
  padding: 0 clamp(16px, 2.4vw, 20px) clamp(16px, 2.4vw, 20px);
}

.page-news .news-series-list .expand-panel p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-series-meta {
  font-family: var(--font-mono);
  font-size: 12px !important;
  color: var(--text-mute) !important;
  letter-spacing: 0.04em;
  margin-bottom: 0 !important;
}

/* ---------- 版本存档 ---------- */

.page-news .news-archive-grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 32px);
}

.page-news .news-archive-shot {
  margin: 0;
}

.page-news .news-archive-list {
  display: grid;
  gap: 0;
  align-content: start;
}

.page-news .news-archive-list .expand {
  border-top: 1px solid var(--news-rule);
  border-radius: 0;
  background: transparent;
}

.page-news .news-archive-list .expand:last-of-type {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-archive-list .expand-trigger {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-news .news-archive-list .expand-panel {
  padding: 0 0 clamp(16px, 2.4vw, 20px);
}

.page-news .news-archive-list .expand-panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 60ch;
}

.page-news .news-archive-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-news .news-hero-main h1 {
    max-width: 22ch;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.84fr);
    align-items: start;
  }

  .page-news .news-aside {
    position: sticky;
    top: 104px;
  }

  .page-news .news-series-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-news .news-archive-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-news .news-item {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 52px);
    align-items: start;
  }

  .page-news .news-item-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 3px;
  }

  .page-news .news-insert {
    padding-left: calc(186px + clamp(24px, 4vw, 52px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .news-item-title,
  .page-news .news-brief-title,
  .page-news .news-cat,
  .page-news .news-series-list .expand {
    transition: none;
  }

  .page-news .news-item:hover::before {
    transform: none;
  }
}