.page-news {
  --pn-gap: clamp(18px, 2.4vw, 32px);
  --pn-card-bg: linear-gradient(180deg, var(--surface) 0%, var(--ink-2) 100%);
  --pn-line-w: 2px;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .page-news__hero {
  padding-top: clamp(84px, 12vw, 148px);
  padding-bottom: clamp(30px, 5vw, 56px);
  position: relative;
  overflow: hidden;
}

.page-news .page-news__crumbs {
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-news .page-news__title {
  font-size: clamp(36px, 8.6vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 clamp(18px, 2.4vw, 28px);
  max-width: 20ch;
}

.page-news .page-news__title-num {
  color: var(--cyan);
  font-weight: 700;
}

.page-news .page-news__lead {
  max-width: 58ch;
  color: var(--text);
}

.page-news .page-news__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
}

.page-news .page-news__counters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(34px, 5vw, 64px) 0 0;
  border: var(--pn-line-w) solid var(--line);
  background: var(--line);
}

.page-news .page-news__counter {
  background: var(--ink-2);
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.4vw, 26px);
}

.page-news .page-news__counter dt {
  color: var(--muted);
  margin-bottom: 6px;
}

.page-news .page-news__counter dd {
  margin: 0;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 头条 ---------- */
.page-news .page-news__headline-section {
  padding-top: clamp(30px, 4.6vw, 52px);
}

.page-news .news-headline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 48px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .news-headline__main {
  border: var(--pn-line-w) solid var(--line);
  border-left: 6px solid var(--cyan);
  background: var(--pn-card-bg);
  padding: clamp(20px, 3vw, 38px);
  box-shadow: var(--shadow-hard);
}

.page-news .news-headline__meta {
  color: var(--muted);
  margin: 0 0 14px;
}

.page-news .news-headline__title {
  font-size: clamp(26px, 4.4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-weight: 800;
}

.page-news .news-headline__num {
  color: var(--orange);
  font-weight: 700;
}

.page-news .news-headline__sum {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  color: var(--text);
  max-width: 60ch;
  line-height: 1.75;
}

.page-news .news-headline__points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 clamp(20px, 2.8vw, 30px);
  padding: 0;
  color: var(--muted);
  font-size: 14px;
}

.page-news .news-headline__points .mono {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 4px;
}

.page-news .news-headline__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-news .news-headline__figure {
  margin: 0;
  border: var(--pn-line-w) solid var(--line);
  background: var(--ink-2);
  padding: clamp(12px, 1.8vw, 20px);
}

.page-news .news-headline__figure .media__frame {
  overflow: hidden;
}

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

/* ---------- 通栏数据带 ---------- */
.page-news .page-news__band {
  background: var(--ink-2);
  border-top: var(--pn-line-w) solid var(--line);
  border-bottom: var(--pn-line-w) solid var(--line);
  padding: clamp(18px, 2.6vw, 32px) 0;
  margin: clamp(10px, 2vw, 26px) 0;
}

.page-news .page-news__band--mid {
  background: linear-gradient(90deg, var(--ink-2) 0%, var(--surface) 100%);
  border-color: var(--cyan-deep);
}

.page-news .page-news__band--tail {
  background: var(--surface);
  border-color: var(--cyan);
}

/* ---------- 报告主体 ---------- */
.page-news .page-news__body-title {
  font-size: clamp(28px, 4.6vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.page-news .page-news__body-lead {
  max-width: 56ch;
  margin: 0 0 clamp(28px, 4vw, 52px);
  color: var(--muted);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
}

/* 时间轴 */
.page-news .news-rail__title {
  color: var(--muted);
  margin: 0 0 12px;
}

.page-news .news-rail__list {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: var(--pn-line-w) solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

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

.page-news .news-rail__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px dashed var(--cyan-deep);
  flex: none;
}

.page-news .news-rail__num {
  color: var(--cyan);
  font-weight: 700;
  font-size: 13px;
}

.page-news .news-rail__item.is-current .news-rail__link {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-rail__item.is-current .news-rail__dot {
  background: var(--orange);
  border: 2px solid var(--orange);
}

.page-news .news-rail__item.is-current .news-rail__num {
  color: var(--ink);
}

/* 分组 */
.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 84px);
  min-width: 0;
}

.page-news .news-group {
  scroll-margin-top: calc(var(--header-h-scrolled) + 24px);
}

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 24px);
  padding-bottom: 14px;
  border-bottom: var(--pn-line-w) solid var(--cyan);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-group__num {
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.page-news .news-group__title {
  font-size: clamp(20px, 2.8vw, 30px);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.page-news .news-group__note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.page-news .news-group__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pn-gap);
  align-items: start;
}

/* 卡片 */
.page-news .news-card {
  border: var(--pn-line-w) solid var(--line);
  background: var(--pn-card-bg);
  padding: clamp(16px, 2.2vw, 26px);
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-news .news-card:hover,
.page-news .news-card:focus-within {
  transform: translate(-4px, -4px);
  box-shadow: 10px 10px 0 rgba(53, 240, 206, 0.26);
  border-color: var(--cyan-deep);
}

.page-news .news-card--feature {
  border-left: 6px solid var(--orange);
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

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

.page-news .news-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  line-height: 1.5;
}

.page-news .news-tag--review { color: var(--cyan); }
.page-news .news-tag--metric { color: var(--orange); }
.page-news .news-tag--version { color: var(--orange-soft); }
.page-news .news-tag--note { color: var(--muted); }

.page-news .news-card__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-news .news-card__title a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-news .news-card__sum {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s var(--ease);
}

.page-news .news-card:hover .news-card__sum,
.page-news .news-card:focus-within .news-card__sum {
  -webkit-line-clamp: 6;
  color: var(--text);
}

.page-news .news-card__figure {
  margin: 0;
  border: 1.5px solid var(--line);
  background: var(--ink);
  padding: 8px;
}

.page-news .news-card__figure .media__frame {
  overflow: hidden;
}

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

.page-news .news-card__foot {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .news-card__link {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-card__detail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-news .news-card__detail .mono {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 6px;
}

.page-news .news-card__expand {
  margin-top: 2px;
}

/* ---------- 过渡区 ---------- */
.page-news .page-news__transition {
  padding-top: clamp(40px, 6vw, 78px);
}

.page-news .page-news__transition-title {
  font-size: clamp(26px, 4.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 22ch;
}

.page-news .page-news__transition-lead {
  max-width: 60ch;
  color: var(--muted);
  margin: 0 0 clamp(26px, 4vw, 46px);
}

.page-news .page-news__transition-figure {
  margin: 0;
  border-top: var(--pn-line-w) solid var(--line);
  border-bottom: var(--pn-line-w) solid var(--line);
  background: var(--ink-2);
}

.page-news .page-news__transition-figure .media__frame {
  overflow: hidden;
}

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

.page-news .page-news__transition-figure .media__caption {
  padding: 12px var(--pad-x) 16px;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- 订阅与反馈 ---------- */
.page-news .news-subscribe {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 48px);
  border: var(--pn-line-w) solid var(--line);
  background: var(--pn-card-bg);
  padding: clamp(22px, 3.4vw, 46px);
  box-shadow: var(--shadow-hard-cyan);
}

.page-news .news-subscribe__title {
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.page-news .news-subscribe__text {
  margin: 0 0 14px;
  color: var(--muted);
  max-width: 56ch;
  line-height: 1.75;
}

.page-news .news-subscribe__text:last-child {
  margin-bottom: 0;
}

.page-news .news-subscribe__side {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  align-content: start;
}

.page-news .news-subscribe__box {
  border: 1.5px solid var(--line);
  background: var(--ink);
  padding: clamp(16px, 2.2vw, 24px);
}

.page-news .news-subscribe__box .label {
  color: var(--cyan);
  display: block;
  margin-bottom: 10px;
}

.page-news .news-subscribe__box-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .page-news__counters {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .news-headline {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-group__list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
    gap: clamp(32px, 4.2vw, 72px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h-scrolled) + 32px);
    align-self: start;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-news .news-rail__link {
    border: 0;
    border-radius: 0;
    border-left: var(--pn-line-w) dashed var(--line);
    padding: 14px 16px;
    justify-content: flex-start;
    width: 100%;
  }

  .page-news .news-rail__item.is-current .news-rail__link {
    background: rgba(53, 240, 206, 0.08);
    border-left: var(--pn-line-w) solid var(--cyan);
    color: var(--cyan);
  }

  .page-news .news-rail__item.is-current .news-rail__num {
    color: var(--orange);
  }

  .page-news .news-subscribe {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-subscribe__side {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1100px) {
  .page-news .news-group__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-card--feature {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-rail__link,
  .page-news .news-card__title a,
  .page-news .news-card__sum {
    transition: none;
  }

  .page-news .news-card:hover,
  .page-news .news-card:focus-within {
    transform: none;
  }
}