.page-news {
  --news-rail-w: 190px;
  --news-ink-soft: rgba(255, 255, 255, .78);
  background: var(--white);
  color: var(--ink);
  overflow-x: clip;
}

/* ============ 动态刊头 ============ */
.page-news .news-masthead {
  position: relative;
  padding-block: clamp(22px, 4vw, 44px) clamp(32px, 6vw, 68px);
  background:
    radial-gradient(118% 88% at 86% 6%, rgba(0, 194, 168, .2), transparent 58%),
    radial-gradient(76% 68% at 2% 100%, rgba(255, 107, 53, .16), transparent 62%),
    var(--green);
  color: var(--white);
  overflow: hidden;
}

.page-news .news-masthead .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--news-ink-soft);
}

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

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

.page-news .news-masthead-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-block: clamp(22px, 4vw, 40px);
}

.page-news .news-masthead-copy .eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--orange);
  font-weight: 700;
}

.page-news .news-masthead h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.015em;
  max-width: 16ch;
}

.page-news .news-masthead .lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .news-masthead-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

.page-news .news-masthead-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-masthead-log {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line-invert);
}

.page-news .news-masthead-log dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .58);
  margin-bottom: 6px;
}

.page-news .news-masthead-log dd {
  margin: 0;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

/* ============ 主体：轨道 + 内容流 ============ */
.page-news .news-body {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  padding-block: clamp(40px, 7vw, 88px);
}

.page-news .news-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-rail .rail-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  font-weight: 700;
}

.page-news .news-rail .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-rail .rail-list::-webkit-scrollbar {
  display: none;
}

.page-news .news-rail .rail-list > li {
  flex: 0 0 auto;
}

.page-news .news-rail .rail-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}

.page-news .news-rail .rail-link:hover {
  border-color: var(--green-soft);
  background: var(--surface-muted);
}

.page-news .news-rail .rail-link.is-active {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.page-news .news-rail .rail-foot {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-stream {
  min-width: 0;
}

.page-news .news-stream > * + * {
  margin-top: clamp(48px, 7vw, 88px);
}

/* ============ 章节头 ============ */
.page-news .news-block-head {
  display: grid;
  gap: 6px 20px;
  margin-bottom: clamp(20px, 3vw, 32px);
  padding-bottom: 16px;
  border-bottom: 2px solid var(--green);
}

.page-news .news-block-index {
  margin: 0;
  font-size: clamp(38px, 7vw, 66px);
  font-weight: 900;
  line-height: .88;
  letter-spacing: -.05em;
  color: var(--green-soft);
  opacity: .45;
}

.page-news .news-block-head-body h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--green);
}

.page-news .news-block-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
}

/* ============ 焦点观察列表 ============ */
.page-news .news-feed {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

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

.page-news .news-item-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 18px 16px 20px 12px;
  border-left: 3px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: background .3s var(--ease), border-color .3s var(--ease), padding-left .3s var(--ease);
}

.page-news .news-item-link:hover,
.page-news .news-item-link:focus-visible {
  background: var(--surface-muted);
  border-left-color: var(--orange);
  padding-left: 18px;
}

.page-news .news-item-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 4px;
}

.page-news .news-item-body {
  display: block;
  min-width: 0;
}

.page-news .news-item-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-item-time {
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-item-title {
  display: block;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-item-abstract {
  display: block;
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  overflow: hidden;
  max-height: 3.4em;
  transition: max-height .4s var(--ease);
}

.page-news .news-item-link:hover .news-item-abstract,
.page-news .news-item-link:focus-visible .news-item-abstract {
  max-height: 12em;
}

/* ============ 专题系列 ============ */
.page-news .news-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 24px);
}

.page-news .news-series-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}

.page-news .news-series-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-news .news-series-media {
  margin: 0;
  border-radius: 0;
  aspect-ratio: 4 / 3;
  background: var(--surface-muted);
}

.page-news .news-series-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-series-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px);
  flex: 1 1 auto;
}

.page-news .news-series-body h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 900;
  color: var(--green);
}

.page-news .news-series-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-series-meta {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-series-card--data {
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(0, 194, 168, .22), transparent 60%),
    var(--green);
  border-color: var(--green);
  color: var(--white);
  justify-content: space-between;
}

.page-news .news-series-card--data .news-series-body h3,
.page-news .news-series-card--data .news-series-body p,
.page-news .news-series-card--data .news-series-meta {
  color: var(--white);
}

.page-news .news-series-card--data .news-series-meta {
  color: rgba(255, 255, 255, .66);
}

.page-news .news-series-data {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 118px;
  margin: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px) 0;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-invert);
}

.page-news .news-series-data span {
  flex: 1 1 0;
  border-radius: 6px 6px 0 0;
  background: rgba(255, 255, 255, .24);
}

.page-news .news-series-data span:nth-child(1) { height: 32%; }
.page-news .news-series-data span:nth-child(2) { height: 54%; }
.page-news .news-series-data span:nth-child(3) { height: 44%; }
.page-news .news-series-data span:nth-child(4) { height: 70%; background: var(--orange); }
.page-news .news-series-data span:nth-child(5) { height: 58%; }
.page-news .news-series-data span:nth-child(6) { height: 86%; background: var(--cyan); }
.page-news .news-series-data span:nth-child(7) { height: 74%; }

/* ============ 同步日志 ============ */
.page-news .news-log {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-news .news-log-row {
  display: grid;
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-log-round {
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
}

.page-news .news-log-desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-log-state {
  justify-self: start;
}

.page-news .news-log-row--next {
  background: linear-gradient(90deg, rgba(255, 107, 53, .08), transparent 70%);
  border-left: 3px solid var(--orange);
  padding-left: 14px;
}

/* ============ 订阅与入口 ============ */
.page-news .news-entry {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 100% at 100% 0%, rgba(0, 194, 168, .2), transparent 62%),
    var(--green-deep);
  color: var(--white);
}

.page-news .news-entry-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-news .news-entry-copy h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.25;
}

.page-news .news-entry-copy p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

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

.page-news .news-entry-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-invert);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-news .news-entry-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .news-entry-list .mono {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  flex: 0 0 auto;
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-news .news-series {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-masthead h1 {
    max-width: 15ch;
  }
}

@media (min-width: 760px) {
  .page-news .news-block-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: end;
  }

  .page-news .news-masthead-log {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-log-row {
    grid-template-columns: 104px minmax(0, 1fr) auto;
    align-items: baseline;
  }

  .page-news .news-log-state {
    justify-self: end;
  }

  .page-news .news-entry {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-masthead-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .news-rail .rail-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail .rail-list > li {
    flex: 1 1 auto;
  }

  .page-news .news-rail .rail-link {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item-link,
  .page-news .news-item-abstract,
  .page-news .news-series-card,
  .page-news .news-rail .rail-link {
    transition: none;
  }

  .page-news .news-series-card:hover {
    transform: none;
  }
}