.page-news {
  --news-side-w: 248px;
  display: block;
}

/* ---------- 首屏 / 时间轴 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 7vw, 92px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(139, 92, 246, .22), transparent 62%),
    linear-gradient(180deg, var(--midnight) 0%, var(--midnight-deep) 100%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 30, .55) 0%, rgba(7, 11, 30, .92) 82%, var(--midnight-deep) 100%);
  pointer-events: none;
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .38;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.4vw, 68px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 15em;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

/* 横向时间轴 */
.page-news .news-timeline {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0 0 10px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(176px, 1fr);
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-timeline__node {
  position: relative;
  padding-top: 28px;
}

.page-news .news-timeline__node::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: -22px;
  height: 1px;
  background: var(--line);
}

.page-news .news-timeline__node:last-child::before {
  right: 0;
}

.page-news .news-timeline__dot {
  position: absolute;
  top: 2px;
  left: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--midnight);
  box-shadow: 0 0 0 4px rgba(34, 224, 255, .08);
}

.page-news .news-timeline__dot--live {
  border-color: var(--pink);
  background: var(--pink);
  animation: news-dot-breathe 4s var(--ease) infinite;
}

@keyframes news-dot-breathe {
  0%, 100% { opacity: .45; box-shadow: 0 0 0 4px rgba(255, 61, 139, .08); }
  50% { opacity: 1; box-shadow: 0 0 0 9px rgba(255, 61, 139, .14); }
}

.page-news .news-timeline__ver {
  display: block;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--ink);
  text-decoration: none;
}

.page-news a.news-timeline__ver {
  border-bottom: 1px dashed rgba(34, 224, 255, .45);
  padding-bottom: 2px;
}

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

.page-news .news-timeline__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

/* ---------- 宽幅分隔图 ---------- */
.page-news .news-banner {
  padding: clamp(24px, 4vw, 48px) 0 clamp(8px, 2vw, 20px);
}

.page-news .news-banner__frame {
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 查板块怎么用 ---------- */
.page-news .news-usage__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news .news-usage__item {
  position: relative;
  padding-top: 20px;
}

.page-news .news-usage__num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--purple);
  margin-bottom: 10px;
}

.page-news .news-usage__item .card__title {
  font-size: 17px;
}

.page-news .news-usage__tip {
  margin: 22px 0 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(34, 224, 255, .05);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  position: relative;
  overflow: hidden;
}

.page-news .news-stream__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .07;
  pointer-events: none;
}

.page-news .news-stream .container {
  position: relative;
  z-index: 1;
}

.page-news .news-stream__filters {
  margin-bottom: 30px;
}

.page-news .news-stream__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-news .news-stream__group {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.page-news .news-stream__group-title {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-2);
  text-transform: none;
}

.page-news .news-stream__group-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 14px;
  margin-right: 10px;
  vertical-align: -2px;
  background: var(--purple);
  border-radius: 2px;
}

.page-news .news-entry {
  position: relative;
  margin-bottom: 14px;
  padding: 18px 20px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(14, 21, 51, .94), rgba(7, 11, 30, .94));
  box-shadow: var(--shadow);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  opacity: .7;
}

.page-news .news-entry:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 224, 255, .42);
}

.page-news .news-entry__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-news .news-entry__when {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-2);
}

.page-news .news-entry__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-entry__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-news .news-entry__more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
  transition: opacity .24s var(--ease), max-height .24s var(--ease), margin-top .24s var(--ease);
}

.page-news .news-entry:hover .news-entry__more,
.page-news .news-entry:focus-within .news-entry__more {
  max-height: 140px;
  opacity: 1;
  margin-top: 10px;
}

@media (hover: none) {
  .page-news .news-entry__more {
    max-height: none;
    opacity: 1;
    margin-top: 10px;
  }
}

.page-news .news-stream__breather {
  margin: 30px 0 30px 18px;
  padding: 20px 24px;
  border-left: 2px solid var(--purple);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(139, 92, 246, .08);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* 右侧系列栏 */
.page-news .news-side {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 21, 51, .72);
  box-shadow: var(--shadow);
}

.page-news .news-side__title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--ink-2);
}

.page-news .news-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-side__link {
  display: block;
  padding: 10px 16px;
  border: 1px solid var(--purple);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  transition: background .24s var(--ease), color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-news .news-side__link:hover,
.page-news .news-side__link:focus-visible {
  background: rgba(139, 92, 246, .18);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, .1);
  color: #fff;
}

.page-news .news-side__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-news .news-series__figure {
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-series__item {
  margin-bottom: 14px;
}

.page-news .news-series__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .news-series__head .card__title {
  margin: 0;
}

.page-news .news-series__posts {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.page-news .news-series__posts li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-news .news-series__posts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-cadence__item {
  border-top: 2px solid rgba(255, 61, 139, .6);
}

.page-news .news-cadence__k {
  display: block;
  margin-bottom: 12px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--pink);
}

.page-news .news-cadence__where {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-news .news-cadence__where a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, .45);
}

.page-news .news-cadence__where a:hover,
.page-news .news-cadence__where a:focus-visible {
  color: #fff;
  border-bottom-color: #fff;
}

/* ---------- 下一步 ---------- */
.page-news .news-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-next__card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-news .news-next__card:hover,
.page-news .news-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(34, 224, 255, .45);
}

.page-news .news-next__card .card__title {
  margin: 10px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-usage__grid,
  .page-news .news-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-cadence__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-stream__layout {
    grid-template-columns: minmax(0, 1fr) var(--news-side-w);
    gap: 52px;
  }

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

  .page-news .news-side__list {
    flex-wrap: nowrap;
  }

  .page-news .news-side__link {
    writing-mode: vertical-rl;
    padding: 18px 10px;
    letter-spacing: .16em;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 44px;
  }

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

@media (min-width: 1080px) {
  .page-news .news-usage__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-timeline__dot--live {
    animation: none;
    opacity: 1;
  }

  .page-news .news-entry,
  .page-news .news-entry__more,
  .page-news .news-next__card,
  .page-news .news-side__link {
    transition: none;
  }

  .page-news .news-entry:hover,
  .page-news .news-next__card:hover,
  .page-news .news-next__card:focus-visible {
    transform: none;
  }
}