.page-news .breadcrumb {
  margin: 4px 0 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  isolation: isolate;
  padding: 4px 0 6px;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -50px -24px auto -24px;
  height: 340px;
  pointer-events: none;
  background:
    radial-gradient(58% 100% at 10% 0%, rgba(0, 224, 208, .10), transparent 68%),
    radial-gradient(52% 92% at 92% 8%, rgba(122, 92, 255, .13), transparent 70%);
}

.page-news .news-masthead h1 {
  margin: 10px 0 20px;
  max-width: 19ch;
  font-family: var(--sans);
  font-size: clamp(30px, 7vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-masthead .lede {
  max-width: 64ch;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-news .masthead-figure {
  margin: 30px 0 0;
}

.page-news .masthead-figure .media-caption {
  margin-top: 10px;
}

/* ---------- 数值锚点 ---------- */
.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 40px;
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--grid-line);
}

.page-news .news-stats .stat {
  flex: 1 1 150px;
}

/* ---------- 筛选标签区 ---------- */
.page-news .filter-layout {
  display: grid;
  gap: 22px;
  margin: 4px 0 30px;
}

.page-news .table-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .filter-count {
  margin-left: 6px;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .tag-stack {
  margin: 0;
}

.page-news .tag-stack .media-caption {
  margin-top: 10px;
}

/* ---------- 时间轴 ---------- */
.page-news .news-timeline {
  position: relative;
  margin: 6px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 224, 208, .8), rgba(122, 92, 255, .6) 45%, rgba(34, 48, 74, 1));
}

.page-news .news-entry {
  position: relative;
  margin-bottom: 14px;
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--ink);
  border: 1px solid var(--amber);
  transform: rotate(45deg);
}

.page-news .news-entry--figure::before {
  display: none;
}

.page-news .entry-body {
  background: var(--ink-2);
  border: 1px solid var(--grid-line);
  box-shadow: 4px 4px 0 -1px rgba(216, 204, 182, .13);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-news .entry-body[open] {
  border-color: rgba(0, 224, 208, .42);
  box-shadow: 4px 4px 0 -1px rgba(216, 204, 182, .2);
}

.page-news .entry-body > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-news .entry-body > summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-body > summary::marker {
  content: "";
}

.page-news .entry-body[open] > summary {
  border-bottom: 1px solid var(--grid-line);
}

.page-news .entry-time {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .entry-tag {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  padding: 3px 9px;
  border: 1px solid var(--grid-line);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-entry[data-tags="rules"] .entry-tag {
  color: var(--cyan);
  border-color: rgba(0, 224, 208, .38);
}

.page-news .news-entry[data-tags="video"] .entry-tag {
  color: var(--violet);
  border-color: rgba(122, 92, 255, .45);
}

.page-news .news-entry[data-tags="rebate"] .entry-tag {
  color: var(--amber);
  border-color: rgba(242, 178, 76, .42);
}

.page-news .news-entry[data-tags="notice"] .entry-tag {
  color: var(--ok);
  border-color: rgba(47, 158, 119, .45);
}

.page-news .entry-title {
  grid-column: 1 / -1;
  grid-row: 2;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .entry-detail {
  padding: 14px 16px 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .entry-detail p {
  margin: 0 0 10px;
}

.page-news .entry-detail p:last-child {
  margin-bottom: 0;
}

.page-news .entry-detail .num {
  font-size: 1.14em;
}

.page-news .entry-points {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-news .entry-points li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.85;
}

.page-news .entry-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-news .entry-related {
  font-size: 13px;
}

.page-news .entry-related a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 208, .35);
}

.page-news .entry-related a:hover,
.page-news .entry-related a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 时间轴中的波形图条目 */
.page-news .news-entry--figure {
  margin: 4px 0 20px;
}

.page-news .entry-figure {
  margin: 0;
}

.page-news .entry-figure .media-caption {
  margin-top: 10px;
}

/* ---------- 专题系列 ---------- */
.page-news .series-list {
  display: grid;
  gap: 18px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .series-item {
  position: relative;
  padding: 20px 20px 18px;
  background: linear-gradient(180deg, rgba(17, 28, 47, .96), rgba(13, 23, 37, .96));
  border: 1px solid var(--grid-line);
  box-shadow: 5px 5px 0 -1px rgba(216, 204, 182, .12);
}

.page-news .series-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 30px;
  height: 3px;
  background: var(--violet);
}

.page-news .series-code {
  display: inline-block;
  margin-bottom: 9px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-news .series-title {
  margin: 0 0 9px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .series-item p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .series-meta {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

/* ---------- 回溯检索说明 ---------- */
.page-news .lookup-grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-news .lookup-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid-line);
}

.page-news .lookup-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--grid-line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .lookup-key {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .lookup-note {
  margin: 0;
  padding-left: 13px;
  border-left: 2px solid var(--warn);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .lookup-back {
  margin: 18px 0 0;
  font-size: 14px;
}

.page-news .lookup-back a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 208, .35);
}

.page-news .lookup-back a:hover,
.page-news .lookup-back a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-news .lookup-figure {
  margin: 0;
}

.page-news .lookup-figure .media-caption {
  margin-top: 10px;
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 639px) {
  .page-news .news-stats {
    gap: 18px 24px;
  }

  .page-news .news-stats .stat {
    flex: 1 1 100%;
  }

  .page-news .news-timeline {
    padding-left: 20px;
  }

  .page-news .news-timeline::before {
    left: 3px;
  }

  .page-news .news-entry::before {
    left: -19px;
    width: 7px;
    height: 7px;
  }

  .page-news .entry-title {
    font-size: 15.5px;
  }

  .page-news .lookup-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-news .filter-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 34px;
  }

  .page-news .series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .lookup-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
  }

  .page-news .entry-title {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry-body {
    transition: none;
  }
}