.page-news .breadcrumb {
  padding: 22px 0 0;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: 26px;
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-news .news-hero__text .lede {
  margin-top: 18px;
}

.page-news .news-hero__points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__points li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .news-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-news .news-hero__points .num {
  color: var(--text);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-hero__figure {
  margin: 0;
}

.page-news .news-hero__figure img,
.page-news .news-cadence__figure img,
.page-news .news-versions__figure img,
.page-news .news-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节标题 ---------- */
.page-news .section-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-news .section-head .lede {
  margin-top: 14px;
}

/* ---------- 时间线 ---------- */
.page-news .news-timeline {
  position: relative;
}

.page-news .news-tabs__list {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  margin-bottom: -1px;
  padding: 10px 2px 12px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .news-tab:hover {
  color: var(--text);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .news-tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-panel {
  padding-top: clamp(24px, 4vw, 40px);
}

.page-news .news-panel[hidden] {
  display: none;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, var(--line) 0%, rgba(42, 74, 65, 0.15) 100%);
}

.page-news .tl-item {
  position: relative;
  padding: 0 0 clamp(24px, 3.4vw, 38px) 30px;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--bg);
}

.page-news .tl-item--version::before {
  border-color: var(--gold);
  background: var(--bg);
}

.page-news .tl-item--rule::before {
  border-color: var(--muted);
}

.page-news .tl-item--version::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 22px;
  bottom: 10px;
  width: 2px;
  background: var(--gold);
  opacity: 0.75;
}

.page-news .tl-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.page-news .cat {
  display: inline-block;
  border: 1px solid currentColor;
  border-radius: 0;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.4;
  white-space: nowrap;
}

.page-news .cat--match { color: var(--cyan); }
.page-news .cat--version { color: var(--gold); }
.page-news .cat--rule { color: var(--muted); }

.page-news .tl-item__stage,
.page-news .tl-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .tl-item__time {
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-news .tl-item__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-news .tl-item__sum {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 出稿节奏 ---------- */
.page-news .news-cadence__text p {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 58ch;
}

.page-news .news-cadence__text .h2 {
  margin-bottom: 18px;
}

.page-news .stat-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 28px 0 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-stat .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-news .news-stat .stat__label {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-news .news-cadence__figure,
.page-news .news-archive__figure {
  margin: 0;
}

.page-news .news-cadence__link,
.page-news .news-versions__more,
.page-news .news-rules__more,
.page-news .news-archive__more {
  margin: 8px 0 0;
}

.page-news .text-link {
  display: inline-block;
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 240, 200, 0.35);
  padding-bottom: 2px;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-news .text-link:hover {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

/* ---------- 版本标注 ---------- */
.page-news .news-versions__figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-news .news-versions__acc {
  border-top: 1px solid var(--line);
}

.page-news .news-versions__acc .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-news .news-acc__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  background: transparent;
  border: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.page-news .news-acc__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-acc__text {
  flex: 1 1 auto;
}

.page-news .news-acc__panel {
  padding: 0 0 20px;
}

.page-news .news-acc__panel[hidden] {
  display: none;
}

.page-news .news-acc__panel p {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 规则专题 ---------- */
.page-news .rule-series {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-news .rule-series__item {
  position: relative;
  padding: 24px 0 24px 20px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-news .rule-series__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-news .rule-series__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1.35;
}

.page-news .rule-series__item p {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 标签归档 ---------- */
.page-news .news-archive__text p {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 58ch;
}

.page-news .news-archive__text .h2 {
  margin-bottom: 18px;
}

.page-news .archive-list {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .archive-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .archive-list__key {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 2px;
}

.page-news .archive-list__val {
  flex: 1 1 200px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .archive-list__val .num {
  color: var(--text);
}

/* ---------- 锚点轨道 ---------- */
.page-news .anchor-rail {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .stat-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 24px;
  }

  .page-news .news-stat {
    display: block;
    padding: 16px 0;
  }

  .page-news .news-stat .stat__value {
    display: block;
    margin-bottom: 8px;
  }

  .page-news .rule-series {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-bottom: 1px solid var(--line);
  }

  .page-news .rule-series__item {
    border-bottom: 0;
    border-right: 1px solid var(--line);
    padding: 28px 24px 28px 22px;
  }

  .page-news .rule-series__item:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
  }

  .page-news .news-cadence__text {
    order: 1;
  }

  .page-news .news-cadence .grid--split,
  .page-news .news-archive .grid--split {
    align-items: start;
  }

  .page-news .tl-item {
    padding-left: 36px;
  }

  .page-news .timeline::before {
    left: 5px;
  }
}

@media (min-width: 1180px) {
  .page-news .anchor-rail {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: fixed;
    right: 22px;
    top: 46%;
    transform: translateY(-50%);
    z-index: 5;
  }

  .page-news .anchor-rail__link {
    position: relative;
    display: block;
    padding-left: 18px;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.16s var(--ease);
  }

  .page-news .anchor-rail__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: transparent;
    transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
  }

  .page-news .anchor-rail__link:hover {
    color: var(--text);
  }

  .page-news .anchor-rail__link:hover::before {
    border-color: var(--cyan);
    background: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-tab,
  .page-news .text-link,
  .page-news .anchor-rail__link,
  .page-news .anchor-rail__link::before {
    transition: none;
  }
}