.page-news {
  --news-dot: var(--cyan);
  background: var(--ink-900);
  color: var(--paper);
}

.page-news [id] {
  scroll-margin-top: 88px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 8vw, 92px) 0 clamp(34px, 6vw, 70px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-news .news-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(65% 70% at 82% 4%, rgba(0, 229, 208, .18), transparent 68%),
    linear-gradient(180deg, rgba(10, 22, 38, .62), rgba(10, 22, 38, .97) 76%);
}

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

.page-news .news-hero h1 {
  margin: .28em 0 0;
  font-size: clamp(2.05rem, 6.4vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--paper);
  max-width: 18em;
}

.page-news .news-hero__lede {
  margin-top: 1.1em;
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.8;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 26px;
}

.page-news .news-stamp {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--cyan-line);
  border-radius: 999px;
  color: var(--cyan);
  font-size: .82rem;
  letter-spacing: .04em;
  background: rgba(0, 229, 208, .07);
}

.page-news .news-stamp--quiet {
  border-color: var(--line-strong);
  color: var(--mist);
  background: transparent;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-ghost {
  border: 1px solid var(--line-strong);
  color: var(--paper);
  background: transparent;
}

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

/* ---------- 布局与侧栏 ---------- */
.page-news .news-layout {
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(46px, 8vw, 96px);
}

.page-news .news-main {
  min-width: 0;
}

.page-news .news-rail {
  position: sticky;
  top: 0;
  z-index: 6;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 12px 0 14px;
  background: rgba(10, 22, 38, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-news .news-rail__tag {
  display: none;
  margin: 0 0 10px;
  color: var(--steel);
}

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

.page-news .news-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: .84rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-rail__link .mono {
  font-size: .72rem;
  color: var(--steel);
}

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

.page-news .news-rail__legend {
  display: none;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.page-news .news-rail__legend .mono-tag {
  color: var(--steel);
}

.page-news .news-legend {
  display: grid;
  gap: 9px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: .82rem;
  color: var(--mist);
}

.page-news .news-legend__item {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-news .news-legend__item::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--news-dot);
  flex: none;
}

.page-news .news-legend__item--ver { --news-dot: var(--cyan); }
.page-news .news-legend__item--col { --news-dot: var(--amber); }
.page-news .news-legend__item--notice { --news-dot: var(--green); }
.page-news .news-legend__item--review { --news-dot: var(--mist); }
.page-news .news-legend__item--event { --news-dot: var(--steel); }

.page-news .news-section + .news-section {
  margin-top: clamp(48px, 8vw, 92px);
}

.page-news .news-section__note {
  margin: .9em 0 1.6em;
  max-width: 34em;
  color: var(--steel);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---------- 最新版本焦点 ---------- */
.page-news .news-latest {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-news .news-latest__body {
  min-width: 0;
}

.page-news .news-latest__ver {
  margin: 0;
  font-size: clamp(3rem, 11vw, 5.6rem);
  line-height: .9;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-news .news-latest__lead {
  margin: 14px 0 0;
  max-width: 30em;
  color: var(--mist);
  line-height: 1.8;
}

.page-news .news-changes {
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-changes__item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-news .news-changes__dot {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 208, .14);
}

.page-news .news-changes__dot--amber {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .14);
}

.page-news .news-changes__dot--green {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(43, 217, 166, .14);
}

.page-news .news-changes__title {
  margin: 0 0 .35em;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-news .news-changes__item p {
  margin: 0;
  color: var(--mist);
  font-size: .93rem;
  line-height: 1.78;
}

.page-news .news-latest__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  font-size: .92rem;
}

.page-news .news-latest__media {
  margin: 0;
  align-self: start;
}

.page-news .news-latest__media figcaption {
  margin-top: 10px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--steel);
}

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

/* ---------- 时间轴 ---------- */
.page-news .news-timeline {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 0 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .news-timeline__item {
  flex: 0 0 84%;
  scroll-snap-align: start;
  padding-top: 20px;
  border-top: 2px solid rgba(199, 211, 223, .2);
  position: relative;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--amber);
}

.page-news .news-timeline__item:first-child {
  border-top-color: var(--amber-line);
}

.page-news .news-timeline__item:first-child::before {
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(255, 106, 43, .16);
}

.page-news .news-node {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .news-node__summary {
  display: grid;
  gap: 6px;
  padding: 18px 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-node__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .news-node__ver {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-news .news-node__when {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .news-node__title {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
  letter-spacing: .015em;
}

.page-news .news-node[open] {
  border-color: var(--cyan-line);
}

.page-news .news-node__panel {
  padding: 0 18px 20px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}

.page-news .news-node__panel p {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.8;
}

.page-news .news-node__panel a {
  display: inline-block;
  margin-top: 12px;
  font-size: .88rem;
}

/* ---------- 变更说明卡 ---------- */
.page-news .news-explain {
  display: grid;
  gap: 20px;
  margin-top: 30px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--amber-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(255, 106, 43, .1), rgba(16, 42, 67, .65) 52%, rgba(16, 42, 67, .3));
}

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

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

.page-news .news-explain__body .mono-tag {
  color: var(--amber);
}

.page-news .news-explain__title {
  margin: .5em 0 .5em;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-explain__body p {
  margin: 0 0 18px;
  max-width: 34em;
  color: var(--mist);
  font-size: .93rem;
  line-height: 1.8;
}

/* ---------- 动态列表 ---------- */
.page-news .news-feed {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-feed__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-feed__item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .news-feed__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-cat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--news-dot);
  border: 1px solid currentColor;
  background: rgba(246, 241, 231, .03);
}

.page-news .news-cat::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-news .news-cat--ver { --news-dot: var(--cyan); }
.page-news .news-cat--col { --news-dot: var(--amber); }
.page-news .news-cat--notice { --news-dot: var(--green); }
.page-news .news-cat--review { --news-dot: var(--mist); }
.page-news .news-cat--event { --news-dot: var(--steel); }

.page-news .news-feed__when {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-news .news-feed__title {
  margin: 0 0 .4em;
  font-size: 1.04rem;
  line-height: 1.55;
  letter-spacing: .015em;
  color: var(--paper);
}

.page-news .news-feed__body p {
  margin: 0;
  max-width: 40em;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.78;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.page-news .news-series__card {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(23, 63, 95, .72), rgba(16, 42, 67, .5));
}

.page-news .news-series__card--lead {
  padding: 0 0 22px;
  background: var(--ink-800);
  border-color: var(--cyan-line);
  overflow: hidden;
}

.page-news .news-series__media {
  margin: 0 0 18px;
  border-radius: 0;
}

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

.page-news .news-series__card--lead .news-series__body {
  padding: 0 22px;
}

.page-news .news-series__body .mono-tag {
  color: var(--cyan);
}

.page-news .news-series__title {
  margin: .55em 0 .45em;
  font-size: 1.12rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .news-series__body p {
  margin: 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.78;
}

/* ---------- 检索与联系 ---------- */
.page-news .news-search__grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-news .news-search__box {
  padding: 22px;
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-md);
  background: rgba(0, 229, 208, .06);
}

.page-news .news-search__box--amber {
  border-color: var(--amber-line);
  background: rgba(255, 106, 43, .08);
}

.page-news .news-search__title {
  margin: 0 0 .5em;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-news .news-search__box p {
  margin: 0 0 16px;
  color: var(--mist);
  font-size: .92rem;
  line-height: 1.8;
}

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

.page-news .news-search__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px dashed var(--line-strong);
  list-style: none;
  font-size: .9rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-latest {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
    gap: clamp(24px, 4vw, 44px);
  }

  .page-news .news-explain {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: clamp(20px, 3vw, 34px);
  }

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

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

  .page-news .news-series__card--lead {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

  .page-news .news-series__card--lead .news-series__media {
    margin: 0;
  }

  .page-news .news-timeline__item {
    flex: 0 0 320px;
  }

  .page-news .news-feed__item {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: 26px;
  }

  .page-news .news-feed__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-layout {
    display: grid;
    grid-template-columns: 198px minmax(0, 1fr);
    gap: clamp(28px, 4.5vw, 60px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 26px;
    padding: 0;
    margin: 0;
    background: transparent;
    border-bottom: 0;
    backdrop-filter: none;
  }

  .page-news .news-rail__tag,
  .page-news .news-rail__legend {
    display: block;
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-news .news-rail__link {
    display: flex;
    width: 100%;
    padding: 10px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: .88rem;
    white-space: normal;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail__link {
    transition: none;
  }

  .page-news .news-timeline {
    scroll-behavior: auto;
  }
}