.page-news {
  --news-row-line: rgba(185, 194, 208, .14);
  --news-rail-shift: 6px;
  display: block;
  overflow-x: clip;
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: 28px 0 36px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  height: 82%;
  background:
    linear-gradient(102deg, rgba(255, 106, 43, .20) 0%, rgba(255, 106, 43, 0) 48%),
    linear-gradient(282deg, rgba(59, 201, 255, .17) 0%, rgba(124, 108, 255, .11) 42%, rgba(124, 108, 255, 0) 80%);
  clip-path: polygon(0 0, 100% 11%, 100% 100%, 0 85%);
  pointer-events: none;
}

.page-news .news-hero__eyebrow {
  margin: 0;
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--mist);
  margin: 14px 0 0;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--gray);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__figure {
  margin: 28px 0 0;
}

/* ---------- 置顶记录 ---------- */
.page-news .news-pinned {
  margin: 12px 0 40px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(18, 37, 63, .88) 0%, rgba(18, 37, 63, .42) 100%);
}

.page-news .news-pinned__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-news .news-pinned__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -.01em;
  color: var(--mist);
  margin: 0;
}

.page-news .news-pinned__hint {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--gray);
}

.page-news .news-pinned__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .news-pinned__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 12px;
  padding: 14px 12px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-pinned__item:hover,
.page-news .news-pinned__item:focus-within {
  background: rgba(10, 23, 48, .68);
  border-color: var(--line-strong);
}

.page-news .news-pinned__rank {
  font-size: var(--fs-14);
  color: var(--orange);
  letter-spacing: .08em;
}

.page-news .news-pinned__link {
  color: var(--mist);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-pinned__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(59, 201, 255, .5);
}

.page-news .news-pinned__item > .pill {
  justify-self: start;
}

/* ---------- 系列锚点索引 ---------- */
.page-news .news-index {
  margin: 0 0 30px;
}

.page-news .news-index .anchor-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 4px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-index .anchor-index__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-index .anchor-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(18, 37, 63, .5);
  color: var(--gray);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-index .anchor-index__link .mono {
  color: var(--orange);
  font-size: var(--fs-12);
  letter-spacing: .06em;
}

.page-news .news-index .anchor-index__link:hover,
.page-news .news-index .anchor-index__link[aria-current="true"] {
  color: var(--mist);
  border-color: rgba(59, 201, 255, .55);
  background: rgba(59, 201, 255, .10);
}

/* ---------- 编号章节 ---------- */
.page-news .news-section {
  scroll-margin-top: 92px;
  padding-top: 10px;
}

.page-news .news-section .section__num {
  color: var(--orange);
  font-size: var(--fs-20);
  letter-spacing: .1em;
  margin: 0 0 6px;
}

.page-news .news-section .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--mist);
  margin: 0;
}

.page-news .news-section .section__lede {
  max-width: 42em;
  margin: 14px 0 0;
  color: var(--gray);
  font-size: var(--fs-16);
  line-height: 1.75;
}

.page-news .news-figure {
  margin: 26px 0 26px;
}

.page-news .news-figure--side {
  margin-top: 0;
}

.page-news .news-inline-cta {
  margin: 24px 0 0;
}

/* ---------- 记录行 ---------- */
.page-news .topic-list {
  display: grid;
  gap: 0;
  margin-top: 22px;
  border-top: 1px solid var(--news-row-line);
}

.page-news .topic-row {
  position: relative;
  border-bottom: 1px solid var(--news-row-line);
  border-radius: var(--r-md);
  background: transparent;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .topic-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.page-news .topic-row:hover::before,
.page-news .topic-row:focus-within::before {
  opacity: 1;
}

.page-news .topic-row[open]::before {
  opacity: 1;
  background: var(--orange);
}

.page-news .topic-row__summary {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 40px 20px 16px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--r-md);
}

.page-news .topic-row__summary::-webkit-details-marker {
  display: none;
}

.page-news .topic-row__summary::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .topic-row:hover .topic-row__summary::after {
  border-color: var(--cyan);
}

.page-news .topic-row[open] .topic-row__summary::after {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-news .topic-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .topic-row__time {
  font-size: var(--fs-12);
  color: var(--gray);
  letter-spacing: .08em;
}

.page-news .topic-row__main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .topic-row__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-news .topic-row__text {
  display: block;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray);
}

.page-news .topic-row__body {
  padding: 0 40px 22px 16px;
}

.page-news .topic-row__body p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 回看方式卡片 ---------- */
.page-news .news-review-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.page-news .news-review-card {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-news .news-review-card .card__num {
  color: var(--violet);
  font-size: var(--fs-14);
  letter-spacing: .14em;
  margin: 0;
}

.page-news .card--mint .card__num {
  color: var(--mint);
}

.page-news .news-review-card .card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--mist);
  margin: 0;
}

.page-news .news-review-card .card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray);
}

.page-news .news-review-card .card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 6px 0 0;
}

.page-news .news-card-link {
  font-size: var(--fs-14);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(59, 201, 255, .45);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-card-link:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news {
    padding-bottom: 96px;
  }

  .page-news .news-pinned {
    padding: 26px 26px 22px;
  }

  .page-news .news-pinned__item {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    align-items: center;
    padding: 15px 14px;
  }

  .page-news .news-pinned__item > .pill {
    justify-self: end;
  }

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

  .page-news .topic-row:hover,
  .page-news .topic-row:focus-within {
    transform: translateX(var(--news-rail-shift));
    background: rgba(18, 37, 63, .58);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 48px;
    align-items: center;
    padding: 52px 0 60px;
  }

  .page-news .news-hero__figure {
    margin: 0;
  }

  .page-news .news-hero::before {
    height: 92%;
    clip-path: polygon(0 0, 100% 14%, 100% 100%, 0 82%);
  }

  .page-news .topic-row__summary {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
    padding: 22px 48px 22px 18px;
  }

  .page-news .topic-row__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 2px;
  }

  .page-news .topic-row__body {
    padding: 0 48px 24px 242px;
  }

  .page-news .news-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-figure--side {
    position: sticky;
    top: 96px;
  }

  .page-news .news-review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 1181px) {
  .page-news .news-hero {
    gap: 64px;
  }

  .page-news .topic-row__summary {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-news .topic-row__body {
    padding-left: 262px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-row,
  .page-news .topic-row::before,
  .page-news .topic-row__summary::after,
  .page-news .news-pinned__item,
  .page-news .news-pinned__link {
    transition: none;
  }

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