.page-news {
  --news-track: 13px;
  --news-track-lg: 118px;
}

.page-news .breadcrumb { margin-bottom: 20px; }

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(30px, 4.6vw, 54px);
}

.page-news .news-hero-main {
  background: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.4vw, 42px);
  box-shadow: var(--shadow-1);
}

.page-news .news-hero-main .display {
  margin: 10px 0 16px;
  color: var(--sea);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-news .news-hero-main .lede {
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 6px 18px;
  background: var(--sea);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.8vw, 30px);
  color: var(--cream);
  box-shadow: var(--shadow-2);
}

.page-news .news-hero-stats .stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 6px;
  padding: 8px 0;
  border-top: 1px solid rgba(247, 241, 231, 0.18);
}

.page-news .news-hero-stats .stat-value {
  font-family: var(--font-num);
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--paper);
}

.page-news .news-hero-stats .stat-unit {
  font-size: 12px;
  color: var(--sand);
}

.page-news .news-hero-stats .stat-label {
  flex: 0 0 100%;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 241, 231, 0.7);
}

/* ---------- 快捷定位胶囊 ---------- */
.page-news .news-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(30px, 4.6vw, 54px);
}

.page-news .index-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--pill);
  border: 1px solid rgba(15, 59, 92, 0.18);
  background: var(--paper);
  color: var(--sea);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-news .index-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.page-news .index-chip:hover,
.page-news .index-chip:focus-visible {
  background: var(--sea);
  border-color: var(--sea);
  color: var(--paper);
  transform: translateY(-1px);
}

.page-news .index-chip:hover::before,
.page-news .index-chip:focus-visible::before { background: var(--sand); }

.page-news .index-chip:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 章节节奏 ---------- */
.page-news .section + .section { margin-top: clamp(42px, 6vw, 76px); }

.page-news .news-section-note {
  margin: 10px 0 0;
  max-width: 64ch;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .inline-link {
  color: var(--sea);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(242, 107, 58, 0.55);
  text-underline-offset: 3px;
}

.page-news .inline-link:hover { text-decoration-color: var(--orange); }

/* ---------- 时间轴 ---------- */
.page-news .timeline {
  position: relative;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: var(--news-track);
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--orange), var(--celadon) 58%, var(--sand));
}

.page-news .timeline-node {
  position: relative;
  padding: 0 0 clamp(16px, 2.6vw, 26px) 40px;
}

.page-news .timeline-node::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--cream);
  border: 3px solid var(--orange);
}

.page-news .timeline-node:last-child { padding-bottom: 0; }
.page-news .timeline-node:last-child::before { border-color: var(--celadon); }

.page-news .node-time {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .node-badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: var(--pill);
  background: var(--sand);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-news .node-note {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .case {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: clamp(16px, 2.3vw, 24px);
  box-shadow: var(--shadow-1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news .case:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-news .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.page-news .case-title {
  margin: 0 0 8px;
  color: var(--sea);
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  line-height: 1.45;
}

.page-news .case-text {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .metric {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(232, 214, 179, 0.34);
}

.page-news .metric--rate { background: rgba(111, 175, 159, 0.18); }

.page-news .metric-num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--sea);
}

.page-news .metric-unit {
  font-size: 12px;
  color: var(--slate);
}

.page-news .metric-label {
  margin-left: 2px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .case-media {
  margin: 0 0 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--sand);
}

.page-news .case-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 徽章说明 ---------- */
.page-news .badge-panel {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .badge-rules {
  display: grid;
  gap: 0;
  margin: 0;
  padding: clamp(18px, 2.6vw, 30px);
  list-style: none;
  background: var(--paper);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-news .badge-rule {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 16px;
  border-bottom: 1px dashed rgba(92, 116, 133, 0.34);
}

.page-news .badge-rule + .badge-rule { padding-top: 16px; }
.page-news .badge-rule:last-child { border-bottom: 0; padding-bottom: 0; }

.page-news .rule-index {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-news .rule-title {
  margin: 0 0 6px;
  color: var(--sea);
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-news .rule-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .badge-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sand);
}

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

.page-news .media-caption {
  padding: 12px 16px;
  margin: 0;
  background: var(--paper);
  color: var(--slate);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 城市现场 ---------- */
.page-news .city-media {
  margin: clamp(18px, 2.6vw, 26px) 0 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sea);
}

.page-news .city-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.page-news .city-tile {
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 18px 18px 16px;
  border-top: 3px solid var(--sea);
  box-shadow: var(--shadow-1);
}

.page-news .city-tile:nth-child(3n + 2) { border-top-color: var(--orange); }
.page-news .city-tile:nth-child(3n) { border-top-color: var(--celadon); }

.page-news .city-name {
  margin: 0 0 4px;
  color: var(--sea);
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .city-group {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-news .city-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.page-news .city-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.page-news .city-foot {
  margin: 16px 0 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 版本记录 ---------- */
.page-news .release-panel {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .release-list {
  display: grid;
  gap: 10px;
}

.page-news .release-item {
  background: var(--paper);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-news .release-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--sea);
  font-weight: 700;
}

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

.page-news .release-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

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

.page-news .release-item summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-news .release-ver {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .release-when {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-news .release-body {
  padding: 0 18px 16px;
  border-top: 1px dashed rgba(92, 116, 133, 0.3);
  margin-top: 2px;
  padding-top: 12px;
}

.page-news .release-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .release-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .release-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sand);
}

.page-news .release-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .release-side .callout { border-radius: var(--radius-md); }
.page-news .release-side .callout p { margin: 0; line-height: 1.8; }

/* ---------- 下一步 ---------- */
.page-news .next-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-news .next-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid rgba(15, 59, 92, 0.14);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: var(--shadow-1);
}

.page-news .next-card:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-news .next-card--focus {
  background: var(--sea);
  border-color: var(--sea);
}

.page-news .next-kicker {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .next-card--focus .next-kicker { color: var(--sand); }

.page-news .next-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--sea);
}

.page-news .next-card--focus .next-title { color: var(--paper); }

.page-news .next-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .next-card--focus .next-text { color: rgba(247, 241, 231, 0.75); }

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: stretch;
    gap: 18px;
  }

  .page-news .news-hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: center;
    gap: 10px 20px;
  }

  .page-news .timeline::before { left: var(--news-track-lg); }

  .page-news .timeline-node {
    display: grid;
    grid-template-columns: var(--news-track-lg) minmax(0, 1fr);
    column-gap: 34px;
    padding-left: 0;
  }

  .page-news .timeline-node::before {
    left: calc(var(--news-track-lg) - 7px);
    top: 10px;
  }

  .page-news .node-time {
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    margin-bottom: 0;
    padding-top: 6px;
    padding-right: 6px;
    text-align: right;
  }

  .page-news .case--featured {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-news .case--featured .case-media { margin: 0; }

  .page-news .badge-panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .release-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }
}