.page-news {
  --news-rail: 300px;
  --news-muted: #5a5348;
  --news-shadow: 0 10px 26px -20px rgba(30, 26, 22, 0.6);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 56px;
}

/* ===== 报头 ===== */
.page-news .news-masthead {
  border-top: 4px solid var(--green);
  padding-top: 18px;
}

.page-news .breadcrumb {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  margin-bottom: 18px;
}

.page-news .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--brass);
  border-bottom-color: var(--brass);
}

.page-news .masthead-grid {
  display: grid;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.page-news h1 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 29px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin: 6px 0 14px;
}

.page-news .masthead-summary {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
}

.page-news .side-label {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brass);
}

.page-news .masthead-side {
  border-top: 2px solid var(--brass);
  padding-top: 14px;
}

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

.page-news .side-facts li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--rule);
  font-size: 14px;
}

.page-news .side-facts li:last-child {
  border-bottom: 0;
}

.page-news .fact-label {
  color: var(--news-muted);
}

.page-news .fact-value {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--green);
}

/* 图片通用 */
.page-news .figure-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-news .figure-cap {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--news-muted);
}

.page-news .news-banner {
  margin: 26px 0 0;
}

.page-news .news-banner .figure-media img {
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

/* ===== 章节通用 ===== */
.page-news .section {
  padding-top: 48px;
}

.page-news .section-head {
  margin-bottom: 26px;
}

.page-news .eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--brass);
  margin: 0 0 8px;
}

.page-news .section-title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.4;
  margin: 0 0 10px;
}

.page-news .section-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-muted);
}

/* ===== 01 上架条目 ===== */
.page-news .log-layout {
  display: grid;
  gap: 30px;
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--green);
}

.page-news .log-item {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.18s ease;
}

.page-news .log-item:first-child {
  padding-top: 24px;
}

.page-news .log-item:hover {
  border-bottom-color: var(--brass-light);
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 9px;
}

.page-news .tag {
  display: inline-block;
  padding: 2px 9px 3px;
  border-radius: 2px;
  border: 1px solid transparent;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-news .tag-brass {
  color: var(--brass);
  border-color: var(--brass-light);
  background: rgba(216, 183, 120, 0.16);
}

.page-news .log-code,
.page-news .log-time {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-muted);
}

.page-news .log-time {
  margin-left: auto;
}

.page-news .log-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 7px;
  transition: color 0.18s ease;
}

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

.page-news .log-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

.page-news .log-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

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

.page-news .log-figure .figure-media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .aside-note {
  margin: 0;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--brass);
  background: var(--paper-lift);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-muted);
}

/* ===== 02 专题轨道 ===== */
.page-news .news-series {
  margin-top: 52px;
  padding: 42px 0 34px;
  background: var(--green-deep);
  color: var(--paper-lift);
}

.page-news .series-head {
  display: grid;
  gap: 20px;
}

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

.page-news .news-series .eyebrow {
  color: var(--brass-light);
}

.page-news .news-series .section-title {
  color: var(--paper-lift);
}

.page-news .news-series .section-lead {
  color: rgba(244, 239, 226, 0.72);
}

.page-news .series-emblem {
  margin: 0;
  width: 96px;
}

.page-news .series-emblem img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.92;
}

.page-news .rail-hint {
  margin: 20px auto 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(244, 239, 226, 0.6);
}

.page-news .series-rail {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding: 4px 24px 24px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--brass) rgba(244, 239, 226, 0.14);
}

.page-news .series-rail:focus-visible {
  outline: 2px solid var(--brass-light);
  outline-offset: -4px;
}

.page-news .series-rail::-webkit-scrollbar {
  height: 8px;
}

.page-news .series-rail::-webkit-scrollbar-track {
  background: rgba(244, 239, 226, 0.14);
  border-radius: 4px;
}

.page-news .series-rail::-webkit-scrollbar-thumb {
  background: var(--brass);
  border-radius: 4px;
}

.page-news .series-card {
  flex: 0 0 auto;
  width: 244px;
  scroll-snap-align: start;
  background: var(--paper-lift);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--brass);
  border-radius: 2px;
  padding: 18px 18px 20px;
  box-shadow: var(--news-shadow);
  color: var(--ink);
}

.page-news .series-index {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--brass-light);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brass);
}

.page-news .series-card .series-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--green);
}

.page-news .series-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-muted);
}

/* ===== 03 数据栏目 ===== */
.page-news .data-layout {
  display: grid;
  gap: 26px;
}

.page-news .data-notes {
  border-top: 2px solid var(--green);
}

.page-news .data-note {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--rule);
}

.page-news .data-note h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--green);
}

.page-news .data-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

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

.page-news .data-figure .figure-media img {
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ===== 04 更新节奏 ===== */
.page-news .cadence-panel {
  background: var(--paper-lift);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--brass);
  padding: 26px 22px 28px;
  box-shadow: var(--news-shadow);
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin: 22px 0 22px;
}

.page-news .cadence-cell {
  border-left: 2px solid var(--brass-light);
  padding-left: 13px;
}

.page-news .cadence-num {
  display: block;
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--green);
}

.page-news .cadence-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--news-muted);
}

.page-news .cadence-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
}

.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ===== 05 补充线索 ===== */
.page-news .news-contribute {
  border-top: 1px dashed var(--rule);
}

.page-news .contribute-grid {
  display: grid;
  gap: 26px;
}

.page-news .contribute-list {
  list-style: none;
  counter-reset: cl;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--green);
}

.page-news .contribute-list li {
  position: relative;
  counter-increment: cl;
  padding: 11px 0 11px 36px;
  border-bottom: 1px dotted var(--rule);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .contribute-list li::before {
  content: counter(cl, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--brass);
}

.page-news .contribute-footer {
  margin: 34px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .contribute-footer a {
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid var(--brass-light);
}

.page-news .contribute-footer a:hover,
.page-news .contribute-footer a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ===== 响应式 ===== */
@media (min-width: 560px) {
  .page-news h1 {
    font-size: 34px;
  }

  .page-news .series-card {
    width: 264px;
  }

  .page-news .cadence-panel {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 760px) {
  .page-news h1 {
    font-size: 40px;
    line-height: 1.22;
  }

  .page-news .section {
    padding-top: 60px;
  }

  .page-news .section-title {
    font-size: 29px;
    line-height: 1.34;
  }

  .page-news .log-title {
    font-size: 20px;
  }

  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .series-head {
    grid-template-columns: minmax(0, 1fr) 120px;
    align-items: center;
    gap: 36px;
  }

  .page-news .series-emblem {
    width: 116px;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
    gap: 48px;
    align-items: end;
    padding-bottom: 30px;
  }

  .page-news .masthead-side {
    border-top: 0;
    border-left: 2px solid var(--brass);
    padding-top: 0;
    padding-left: 22px;
  }

  .page-news .news-series {
    margin-top: 72px;
    padding: 58px 0 46px;
  }

  .page-news .data-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-news .contribute-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .log-layout {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
    gap: 46px;
    align-items: start;
  }

  .page-news .log-aside {
    position: sticky;
    top: calc(var(--top-h) + 24px);
  }
}

@media (min-width: 1240px) {
  .page-news .series-rail {
    padding-left: calc((100vw - 1180px) / 2);
    padding-right: calc((100vw - 1180px) / 2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-item,
  .page-news .log-title {
    transition: none;
  }

  .page-news .series-rail {
    scroll-behavior: auto;
  }
}