/* =========================================================
   更新动态页 page-news 专属样式
   移动端优先，桌面端在 @media (min-width: 900px) 扩展
   ========================================================= */
.page-news,
.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news {
  max-width: 100%;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
}

.page-news .page-news-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-news [id] {
  scroll-margin-top: 76px;
}

.page-news a {
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

/* ---------- 页面头部 / 框景窗口 ---------- */
.page-news .page-intro {
  padding: 32px 0 36px;
}

.page-news .intro-frame {
  border: 1px solid var(--warm-line);
  background: var(--paper);
  padding: 24px 20px 20px;
  position: relative;
}

.page-news .intro-frame::before {
  content: "";
  display: block;
  height: 4px;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--orange) 0 25%, var(--night) 0 50%, var(--cream) 0 75%, var(--ink) 0 100%);
  border: 1px solid var(--ink);
}

.page-news .breadcrumb {
  font-size: 13px;
  color: var(--night);
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .breadcrumb a {
  color: var(--night);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--orange);
}

.page-news .crumb-sep {
  color: var(--warm-line);
}

.page-news .breadcrumb span[aria-current="page"] {
  font-weight: 700;
  color: var(--ink);
}

.page-news .intro-copy .coordinate-label {
  margin: 0 0 10px;
}

.page-news .intro-copy h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

.page-news .intro-desc {
  font-size: 15px;
  line-height: 1.75;
  color: #33465c;
  max-width: 720px;
  margin: 0;
}

.page-news .intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 24px 0 0;
}

.page-news .stat-cell {
  border: 1px solid var(--warm-line);
  background: var(--paper-deep);
  padding: 14px 8px 12px;
  text-align: center;
}

.page-news .stat-label {
  font-size: 12px;
  color: var(--night);
  margin-bottom: 6px;
}

.page-news .stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

/* ---------- 2025重点变更 / 深色专辑卡 ---------- */
.page-news .news-spotlight {
  margin: 0 0 56px;
}

.page-news .spotlight-inner {
  background: var(--ink);
  color: var(--paper);
  padding: 28px 20px 24px;
  box-shadow: 8px 8px 0 var(--orange);
  border: 1px solid var(--ink);
}

.page-news .spotlight-head {
  border-bottom: 1px solid rgba(245, 239, 224, 0.2);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.page-news .coordinate-label.coordinate-on-dark {
  color: var(--cream);
}

.page-news .spotlight-head h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  color: var(--paper);
  margin: 8px 0 0;
}

.page-news .spotlight-summary {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 239, 224, 0.82);
  margin: 14px 0 0;
}

.page-news .spotlight-content {
  display: grid;
  gap: 24px;
}

.page-news .spotlight-figure {
  border: 1px solid rgba(245, 239, 224, 0.25);
  background: rgba(255, 255, 255, 0.05);
  padding: 8px;
}

.page-news .spotlight-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .figure-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(245, 239, 224, 0.7);
  padding: 8px 2px 2px;
}

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

.page-news .latest-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(245, 239, 224, 0.18);
  padding: 12px 12px 10px;
}

.page-news .latest-item:hover {
  border-color: var(--orange);
}

.page-news .version-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  background: var(--orange);
  color: #ffffff;
  padding: 5px 7px 4px;
  display: inline-block;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.page-news .latest-text h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  line-height: 1.4;
  color: var(--paper);
  margin: 0 0 4px;
}

.page-news .latest-desc {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 239, 224, 0.72);
  margin: 0;
}

.page-news .latest-tags {
  display: flex;
  gap: 5px;
  align-items: center;
  padding-top: 2px;
}

.page-news .dot {
  width: 9px;
  height: 9px;
  display: inline-block;
  border: 0;
}

.page-news .dot-feature {
  background: var(--orange);
}

.page-news .dot-ui {
  background: var(--night);
}

.page-news .dot-perf {
  background: var(--sea);
}

.page-news .dot-fix {
  background: var(--brick);
}

.page-news .spotlight-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .btn-on-dark:hover {
  background: var(--night);
  color: var(--paper);
}

/* ---------- 全部公告时间线 / 双栏 ---------- */
.page-news .news-announcements {
  margin: 0 0 56px;
}

.page-news .announcement-layout {
  display: grid;
  gap: 32px;
}

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

.page-news .section-head .coordinate-label {
  margin: 0 0 8px;
}

.page-news .section-head h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  margin: 0 0 8px;
}

.page-news .section-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #33465c;
  margin: 0;
  max-width: 680px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  background: var(--paper-deep);
  border: 1px solid var(--warm-line);
  padding: 14px;
  margin-bottom: 28px;
}

.page-news .filter-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--night);
  width: 100%;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 13px;
  background: var(--paper);
  border: 1px solid var(--warm-line);
  color: var(--ink);
  text-decoration: none;
}

.page-news .filter-chip:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-news .filter-chip[aria-current="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .filter-chip::before {
  content: "";
  width: 8px;
  height: 8px;
  display: inline-block;
  background: var(--ink);
}

.page-news .filter-chip.chip-feature::before {
  background: var(--orange);
}

.page-news .filter-chip.chip-ui::before {
  background: var(--night);
}

.page-news .filter-chip.chip-perf::before {
  background: var(--sea);
}

.page-news .filter-chip.chip-fix::before {
  background: var(--brick);
}

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

.page-news .timeline-year {
  margin-bottom: 36px;
}

.page-news .year-label {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--night);
  border-left: 4px solid var(--orange);
  padding-left: 10px;
  margin: 0 0 18px;
}

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

.page-news .timeline-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 4px;
  width: 2px;
  background: var(--warm-line);
}

.page-news .timeline-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 18px;
}

.page-news .tl-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--ink);
  z-index: 1;
}

.page-news .timeline-item.item-feature .tl-marker {
  border-color: var(--orange);
}

.page-news .timeline-item.item-ui .tl-marker {
  border-color: var(--night);
}

.page-news .timeline-item.item-perf .tl-marker {
  border-color: var(--sea);
}

.page-news .timeline-item.item-fix .tl-marker {
  border-color: var(--brick);
}

.page-news .timeline-item:hover .tl-marker {
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .timeline-item:target {
  outline: 2px dashed var(--orange);
  outline-offset: 6px;
}

.page-news .timeline-item:target .tl-card {
  border-color: var(--orange);
  box-shadow: 4px 4px 0 rgba(232, 93, 47, 0.28);
}

.page-news .tl-card {
  background: var(--paper);
  border: 1px solid var(--warm-line);
  box-shadow: 3px 3px 0 rgba(14, 27, 42, 0.1);
  padding: 16px;
}

.page-news .tl-card:hover {
  border-color: var(--orange);
}

.page-news .tl-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .tl-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #7a8595;
}

.page-news .tl-title {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.45;
  margin: 0 0 6px;
}

.page-news .tl-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #33465c;
  margin: 0 0 12px;
}

.page-news .tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  background: var(--paper-deep);
  border: 1px solid var(--warm-line);
  padding: 3px 9px;
}

.page-news .tag-dot {
  width: 7px;
  height: 7px;
  display: inline-block;
}

.page-news .tag-feature .tag-dot {
  background: var(--orange);
}

.page-news .tag-ui .tag-dot {
  background: var(--night);
}

.page-news .tag-perf .tag-dot {
  background: var(--sea);
}

.page-news .tag-fix .tag-dot {
  background: var(--brick);
}

/* ---------- 时间线侧栏 ---------- */
.page-news .timeline-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news .legend-card,
.page-news .year-index-card {
  background: var(--paper-deep);
  border: 1px solid var(--warm-line);
  padding: 16px;
}

.page-news .side-card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--night);
  margin: 0 0 14px;
}

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

.page-news .legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.page-news .legend-pixel {
  width: 11px;
  height: 11px;
  display: inline-block;
}

.page-news .legend-feature {
  background: var(--orange);
}

.page-news .legend-ui {
  background: var(--night);
}

.page-news .legend-perf {
  background: var(--sea);
}

.page-news .legend-fix {
  background: var(--brick);
}

.page-news .year-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.page-news .year-index a {
  display: block;
  font-size: 13px;
  font-weight: 500;
  padding: 9px 6px;
  background: var(--paper);
  border: 1px solid var(--warm-line);
  text-align: center;
  color: var(--ink);
  text-decoration: none;
}

.page-news .year-index a:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-news .side-pattern {
  border: 1px solid var(--warm-line);
  background: var(--ink);
}

.page-news .side-pattern img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 版本档案 ---------- */
.page-news .news-archives {
  margin: 0 0 56px;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: 36px 0;
}

.page-news .archive-inner {
  max-width: var(--container);
}

.page-news .archive-layout {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-news .archive-image {
  border: 1px solid var(--warm-line);
  background: var(--paper-deep);
  padding: 8px;
}

.page-news .archive-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--warm-line);
}

.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .archive-item {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--warm-line);
  padding: 16px;
}

.page-news .archive-item:hover {
  border-color: var(--orange);
  box-shadow: 3px 3px 0 rgba(232, 93, 47, 0.2);
}

.page-news .archive-item .version-badge {
  margin-bottom: 10px;
}

.page-news .archive-item h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  margin: 0 0 4px;
}

.page-news .archive-item p {
  font-size: 13px;
  line-height: 1.7;
  color: #33465c;
  margin: 0 0 12px;
}

.page-news .archive-cta {
  margin-top: 24px;
}

/* ---------- 本地检索引导 ---------- */
.page-news .news-search-guide {
  margin: 0 0 56px;
}

.page-news .search-guide-inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-news .search-figure {
  border: 2px solid var(--ink);
  box-shadow: 7px 7px 0 var(--cream);
  background: var(--paper-deep);
}

.page-news .search-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .search-copy .coordinate-label {
  margin: 0 0 10px;
}

.page-news .search-copy h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-news .search-copy p {
  font-size: 15px;
  line-height: 1.75;
  color: #33465c;
  margin: 0 0 16px;
  max-width: 560px;
}

.page-news .search-suggest {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background: var(--paper-deep);
  border: 1px dashed var(--warm-line);
  padding: 12px;
  margin-bottom: 20px;
}

.page-news .suggest-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--night);
}

.page-news .search-suggest a {
  font-size: 13px;
  background: var(--paper);
  border: 1px solid var(--warm-line);
  padding: 4px 10px;
  color: var(--ink);
  text-decoration: none;
}

.page-news .search-suggest a:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-news .search-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-news .text-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px solid var(--warm-line);
  padding-bottom: 2px;
}

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

/* ---------- 表格 / 中屏适配 ---------- */
@media (min-width: 640px) {
  .page-news .archive-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .intro-stats {
    max-width: 420px;
  }
}

/* ---------- 桌面端适配 ---------- */
@media (min-width: 900px) {
  .page-news .page-news-shell {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .page-news .page-intro {
    padding: 48px 0 40px;
  }

  .page-news .intro-frame {
    padding: 32px 36px 28px;
  }

  .page-news .intro-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 48px;
    align-items: end;
  }

  .page-news .intro-copy h1 {
    font-size: 42px;
  }

  .page-news .intro-desc {
    font-size: 16px;
  }

  .page-news .intro-stats {
    margin-top: 0;
  }

  .page-news .spotlight-inner {
    padding: 40px;
  }

  .page-news .spotlight-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: end;
  }

  .page-news .spotlight-summary {
    margin: 0;
    font-size: 15px;
  }

  .page-news .spotlight-content {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 32px;
    align-items: start;
  }

  .page-news .announcement-layout {
    grid-template-columns: 1fr 300px;
    gap: 40px;
  }

  .page-news .filter-hint {
    width: auto;
    margin-right: 4px;
  }

  .page-news .timeline-side {
    position: sticky;
    top: 24px;
  }

  .page-news .archive-layout {
    grid-template-columns: 340px 1fr;
    gap: 32px;
    align-items: start;
  }

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

  .page-news .search-guide-inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

@media (min-width: 1080px) {
  .page-news .archive-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}