.page-news {
  --news-gap: clamp(16px, 2.4vw, 26px);
  --news-card-pad: clamp(20px, 3vw, 28px);
  display: block;
}

/* 面包屑与首屏 */
.page-news .news-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-news .news-hero {
  padding-top: clamp(22px, 4vw, 40px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-news h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(46px, 13vw, 90px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .hero-lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.75;
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .hero-stats li {
  padding: 16px 18px;
  background: var(--ink);
  transition: background var(--dur) var(--ease);
}

.page-news .hero-stats li:hover {
  background: var(--teal);
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

/* 首屏右侧：公告与快捷入口 */
.page-news .hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .notice-card {
  padding: var(--news-card-pad);
  border-radius: var(--r-xl);
  background: var(--wine);
  border: 1px solid var(--hair-soft);
}

.page-news .notice-card .status-chip {
  margin-bottom: 14px;
}

.page-news .notice-text {
  margin: 0 0 20px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .quick-card {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--hair-soft);
}

.page-news .quick-card .eyebrow {
  margin: 0 0 12px;
}

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

.page-news .quick-link {
  display: inline-block;
  padding: 4px 0;
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .quick-link:hover,
.page-news .quick-link:focus-visible {
  border-color: var(--cyan);
}

/* 横向滚动分类胶囊 */
.page-news .tag-track-wrap {
  margin-top: clamp(28px, 4vw, 48px);
  background: var(--surface);
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-news .tag-track {
  display: flex;
  gap: 10px;
  padding: 14px 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .tag-track::-webkit-scrollbar {
  display: none;
}

.page-news .tag-track .tag {
  flex: 0 0 auto;
  scroll-snap-align: start;
  white-space: nowrap;
}

/* 章节标题与导语 */
.page-news .section-title {
  margin: 10px 0 0;
}

.page-news .section-lede {
  margin-top: 16px;
  max-width: 66ch;
  color: var(--mist);
}

/* 最新专题列表 */
.page-news .feed {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-news .feed-item {
  display: grid;
  gap: 18px;
  padding: var(--news-card-pad);
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--hair-soft);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--hair);
  background: var(--surface-strong);
}

.page-news .feed-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
}

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

.page-news .feed-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-news .feed-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--hair);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .feed-title {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(21px, 3.4vw, 28px);
  font-weight: 700;
  line-height: 1.35;
}

.page-news .feed-title a {
  color: var(--white);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .feed-title a:hover,
.page-news .feed-title a:focus-visible {
  color: var(--cyan);
}

.page-news .feed-text {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .feed-foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

/* 版本迭代 */
.page-news .split {
  display: grid;
  gap: clamp(24px, 3.4vw, 42px);
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-news .split-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-xl);
}

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

.page-news .rhythm {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin-bottom: 18px;
  background: var(--surface);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
}

.page-news .version-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .version-item {
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--hair-soft);
  border-left: 3px solid var(--signal);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .version-item:hover {
  transform: translateX(3px);
  border-color: var(--hair);
}

.page-news .version-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-news .version-time {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-news .version-text {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .split-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--hair);
  color: var(--grey);
  font-size: 13px;
  line-height: 1.7;
}

.page-news .split-note a,
.page-news .scene-note a {
  color: var(--cyan);
}

/* 运维实践 */
.page-news .ops-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ops-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--hair-soft);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .ops-item:hover,
.page-news .ops-item:focus-within {
  transform: translateY(-2px);
  border-color: var(--hair);
  background: var(--surface-strong);
}

.page-news .ops-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal);
  padding-top: 4px;
}

.page-news .ops-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-news .ops-text {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* 场景方案 */
.page-news .scene-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

.page-news .scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-radius: var(--r-xl);
  border: 1px solid var(--hair-soft);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .scene-card:hover,
.page-news .scene-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-news .scene-card .card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.page-news .scene-card .card-text {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-news .scene-meta {
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-news .scene-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* 公告回顾 */
.page-news .timeline {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .timeline li {
  position: relative;
  padding-left: 28px;
}

.page-news .timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
}

.page-news .timeline li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  bottom: -22px;
  width: 1px;
  background: var(--hair-soft);
}

.page-news .timeline li:last-child::after {
  display: none;
}

.page-news .timeline-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .timeline-title {
  margin: 6px 0 0;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-news .timeline-text {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

/* 结尾入口 */
.page-news .news-cta {
  display: grid;
  gap: 20px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-xl);
  background: var(--indigo);
  border: 1px solid var(--hair);
}

.page-news .cta-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  color: var(--white);
}

.page-news .cta-text {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .cta-foot {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

/* 窄屏摘要截断，宽屏悬停展开 */
@media (min-width: 760px) {
  .page-news .feed-item:not(.feed-item--lead) .feed-text {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .page-news .feed-item:not(.feed-item--lead):hover .feed-text,
  .page-news .feed-item:not(.feed-item--lead):focus-within .feed-text {
    display: block;
    overflow: visible;
  }
}

@media (min-width: 640px) {
  .page-news .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

  .page-news .feed-item--lead {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .split--flip > .split-media {
    order: 2;
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-news .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .feed-item--lead {
    grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .ops-item,
  .page-news .scene-card,
  .page-news .version-item {
    transition: none;
  }

  .page-news .feed-item:hover,
  .page-news .feed-item:focus-within,
  .page-news .ops-item:hover,
  .page-news .ops-item:focus-within,
  .page-news .scene-card:hover,
  .page-news .scene-card:focus-within,
  .page-news .version-item:hover {
    transform: none;
  }
}