.page-news {
  --news-gap: clamp(.9rem, 2vw, 1.3rem);
  --news-radius: 20px;
  position: relative;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 3.4vw, 2.4rem) 0 clamp(2.4rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  inset: -35% -18% auto auto;
  width: clamp(260px, 48vw, 620px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 58% 42%, rgba(37, 230, 230, .17), transparent 66%);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-head::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--orange), transparent);
  opacity: .5;
}

.page-news .news-head h1 {
  font-family: var(--font-head);
  font-size: clamp(2.05rem, 7.6vw, 4.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--text);
  margin: .55rem 0 0;
  max-width: 20ch;
  text-shadow: 0 0 30px rgba(37, 230, 230, .26);
}

.page-news .news-head .section-lede {
  margin: clamp(.9rem, 2vw, 1.3rem) 0 0;
  max-width: 60ch;
  color: var(--text-dim);
  font-size: clamp(.94rem, 2.2vw, 1.02rem);
  line-height: 1.85;
}

.page-news .head-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: clamp(.9rem, 2.4vw, 1.6rem);
  margin-top: clamp(1.5rem, 3.4vw, 2.4rem);
  padding-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px dashed var(--line);
}

/* ---------- 布局骨架 ---------- */
.page-news .news-body {
  padding-top: clamp(2rem, 4.6vw, 3.4rem);
  padding-bottom: clamp(3rem, 7vw, 5.4rem);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 2.6rem);
}

.page-news .news-index {
  display: grid;
  gap: .8rem;
  align-content: start;
  padding: clamp(1rem, 2.6vw, 1.3rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: linear-gradient(165deg, rgba(13, 22, 38, .88), rgba(7, 11, 20, .7));
}

.page-news .index-label {
  margin: 0;
}

.page-news .news-index .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .18rem;
}

.page-news .news-index .toc-link {
  display: block;
  padding: .5rem .65rem;
  border-radius: 10px;
  color: var(--text-dim);
  font-size: .9rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .28s var(--ease), background .28s var(--ease), border-color .28s var(--ease);
}

.page-news .news-index .toc-link:hover,
.page-news .news-index .toc-link:focus-visible {
  color: var(--text);
  background: rgba(37, 230, 230, .08);
  border-left-color: var(--cyan);
}

.page-news .news-index .toc-link[aria-current="true"] {
  color: var(--cyan-soft);
  background: rgba(37, 230, 230, .1);
  border-left-color: var(--cyan);
}

.page-news .index-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding-top: .7rem;
  border-top: 1px solid var(--line-soft);
}

.page-news .index-note {
  margin: 0;
  color: var(--text-dim);
  font-size: .78rem;
  line-height: 1.7;
}

/* ---------- 内容区块 ---------- */
.page-news .news-stream {
  min-width: 0;
  display: grid;
  gap: clamp(2.2rem, 5vw, 3.4rem);
}

.page-news .news-block {
  display: grid;
  gap: clamp(.9rem, 2.4vw, 1.4rem);
  scroll-margin-top: calc(var(--header-h) + 1.6rem);
}

.page-news .block-head {
  display: grid;
  gap: .35rem;
}

.page-news .block-head h2 {
  margin: .2rem 0 0;
}

.page-news .block-lede {
  margin: .5rem 0 0;
  max-width: 64ch;
  color: var(--text-dim);
  font-size: .94rem;
  line-height: 1.85;
}

.page-news .block-more {
  margin: .2rem 0 0;
}

/* ---------- 卡片流 ---------- */
.page-news .news-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

.page-news .news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .62rem;
  padding: clamp(1.05rem, 2.6vw, 1.5rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: linear-gradient(165deg, rgba(18, 30, 51, .92), rgba(11, 18, 32, .78));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), transparent 78%);
  opacity: 0;
  transition: opacity .35s var(--ease);
}

.page-news .news-card:hover,
.page-news .news-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(37, 230, 230, .5);
  box-shadow: 0 28px 56px -36px rgba(37, 230, 230, .7);
}

.page-news .news-card:hover::before {
  opacity: 1;
}

.page-news .news-card--hot {
  border-color: rgba(255, 122, 26, .38);
}

.page-news .news-card--hot::before {
  background: linear-gradient(180deg, var(--orange), transparent 78%);
}

.page-news .card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
}

.page-news .card-time {
  color: var(--text-dim);
}

.page-news .card-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.8vw, 1.42rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-news .card-text {
  margin: 0;
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.78;
}

/* ---------- 交锋数据条目 ---------- */
.page-news .article-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-news .article-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .5rem .9rem;
  padding: clamp(.9rem, 2.4vw, 1.25rem) .2rem;
  border-bottom: 1px solid var(--line-soft);
  transition: background .3s var(--ease);
}

.page-news .article-row:hover {
  background: rgba(37, 230, 230, .05);
}

.page-news .article-index {
  color: var(--cyan);
  font-size: .82rem;
  padding-top: .2rem;
}

.page-news .article-body {
  min-width: 0;
  display: grid;
  gap: .35rem;
}

.page-news .article-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-news .article-text {
  margin: 0;
  color: var(--text-dim);
  font-size: .88rem;
  line-height: 1.78;
}

.page-news .article-time {
  grid-column: 2 / -1;
  color: var(--ember);
  font-size: .72rem;
  letter-spacing: .06em;
}

/* ---------- 版本时间线 ---------- */
.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0;
  position: relative;
  display: grid;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .7rem;
  bottom: .7rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  opacity: .45;
}

.page-news .tl-item {
  position: relative;
  display: grid;
  gap: .3rem;
  padding: 0 0 clamp(1.2rem, 3vw, 1.7rem) 1.85rem;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(37, 230, 230, .6);
}

.page-news .tl-item:last-child {
  padding-bottom: 0;
}

.page-news .tl-version {
  color: var(--cyan-soft);
  font-size: .74rem;
  letter-spacing: .08em;
}

.page-news .tl-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-news .tl-text {
  margin: 0;
  color: var(--text-dim);
  font-size: .88rem;
  line-height: 1.78;
}

.page-news .tl-when {
  color: var(--ember);
  font-size: .72rem;
  letter-spacing: .06em;
}

/* ---------- 通勤快读 ---------- */
.page-news .news-block--commute {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 3.2vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(150deg, rgba(13, 22, 38, .96), rgba(7, 11, 20, .88));
}

.page-news .news-block--commute::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 320px;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(255, 122, 26, .14), transparent 68%);
  pointer-events: none;
}

.page-news .commute-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.8vw, 1.8rem);
  align-items: start;
}

.page-news .commute-grid .media-frame {
  margin: 0;
}

.page-news .commute-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-news .commute-item {
  display: grid;
  gap: .28rem;
  padding: .92rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(18, 30, 51, .6);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-news .commute-item:hover {
  border-color: rgba(255, 122, 26, .5);
  transform: translateX(3px);
}

.page-news .commute-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-news .commute-text {
  margin: 0;
  color: var(--text-dim);
  font-size: .86rem;
  line-height: 1.72;
}

.page-news .commute-when {
  color: var(--cyan);
  font-size: .7rem;
  letter-spacing: .07em;
}

/* ---------- 延伸入口 ---------- */
.page-news .tail-grid {
  margin-top: .4rem;
}

.page-news .tail-card {
  display: grid;
  gap: .38rem;
  padding: clamp(1rem, 2.6vw, 1.35rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: rgba(18, 30, 51, .55);
  text-decoration: none;
  transition: transform .32s var(--ease), border-color .32s var(--ease), background .32s var(--ease);
}

.page-news .tail-card:hover,
.page-news .tail-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(37, 230, 230, .55);
  background: rgba(37, 230, 230, .07);
}

.page-news .tail-kicker {
  color: var(--cyan);
  font-size: .7rem;
  letter-spacing: .1em;
}

.page-news .tail-title {
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.page-news .tail-text {
  color: var(--text-dim);
  font-size: .84rem;
  line-height: 1.72;
}

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

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

  .page-news .article-time {
    grid-column: auto;
    padding-top: .28rem;
    text-align: right;
    white-space: nowrap;
  }
}

@media (min-width: 980px) {
  .page-news .news-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--header-h) + 1.2rem);
  }

  .page-news .commute-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-news .news-head h1 {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .commute-item,
  .page-news .tail-card,
  .page-news .article-row {
    transition: none;
  }

  .page-news .news-card:hover,
  .page-news .news-card:focus-within,
  .page-news .commute-item:hover,
  .page-news .tail-card:hover,
  .page-news .tail-card:focus-visible {
    transform: none;
  }
}