.page-news {
  --news-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-news .news-crumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3.5vw, 2.5rem) 0 clamp(2.25rem, 5vw, 3.75rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 68%;
  height: 160%;
  background:
    linear-gradient(158deg, rgba(47, 211, 181, 0.18), rgba(255, 122, 89, 0.09) 48%, transparent 74%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-news .news-hero__lead .display-title {
  margin-top: 0.5rem;
}

.page-news .news-hero__lead .lede {
  margin-top: 0.9rem;
  max-width: 34ch;
}

.page-news .news-hero__meta {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 当前版本摘要卡 */
.page-news .news-current {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: clamp(1.15rem, 3vw, 1.65rem);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(47, 211, 181, 0.14), transparent 62%),
    linear-gradient(170deg, rgba(16, 31, 60, 0.96), rgba(10, 20, 40, 0.94));
  box-shadow: 0 26px 58px -34px rgba(0, 0, 0, 0.95);
}

.page-news .news-current__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-current__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .news-current__ver {
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-news .news-current__stage {
  margin-top: 0.7rem;
  font-size: 13px;
  color: var(--mist);
}

.page-news .news-current__scopes {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-news .news-kind {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(34, 55, 92, 0.9);
  background: rgba(10, 20, 40, 0.55);
  font-size: 13px;
}

.page-news .news-kind__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kind, var(--turquoise));
}

.page-news .news-kind__name {
  color: var(--snow);
}

.page-news .news-kind__val {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}

.page-news .news-current__cta {
  margin-top: 1.1rem;
  width: 100%;
  text-align: center;
}

.page-news .news-kind--nav { --kind: var(--turquoise); }
.page-news .news-kind--data { --kind: var(--gold); }
.page-news .news-kind--fav { --kind: var(--coral); }
.page-news .news-kind--app { --kind: var(--mist); }

/* ---------- 版本时间轴 ---------- */
.page-news .news-timeline {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}

.page-news .news-timeline__intro {
  margin-top: 0.85rem;
  max-width: 56ch;
  color: var(--mist);
  font-size: 15px;
}

.page-news .news-track-wrap {
  margin-top: 1.75rem;
}

.page-news .news-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0.75rem;
  display: flex;
  gap: 0.875rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--line) transparent;
}

.page-news .news-track::-webkit-scrollbar {
  height: 5px;
}

.page-news .news-track::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: var(--radius-pill);
}

.page-news .news-track__item {
  position: relative;
  flex: 0 0 auto;
  min-width: 9.5rem;
  display: grid;
  gap: 0.3rem;
  padding-top: 2.35rem;
  scroll-snap-align: start;
}

.page-news .news-track__item::before {
  content: "";
  position: absolute;
  top: 1.15rem;
  left: 0;
  right: -0.875rem;
  height: 1px;
  background: var(--line);
}

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

.page-news .news-track__dot {
  position: absolute;
  top: calc(1.15rem - 4px);
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--kind, var(--turquoise));
  box-shadow: 0 0 0 4px var(--night), 0 0 14px -2px var(--kind, var(--turquoise));
}

.page-news .news-track__ver {
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-news .news-track__kind {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--kind, var(--turquoise));
}

.page-news .news-track__note {
  font-size: 12.5px;
  color: var(--mist);
  line-height: 1.5;
}

.page-news .news-timeline__figure {
  margin-top: 1.75rem;
}

.page-news .media-frame img {
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
}

/* ---------- 变更条目 ---------- */
.page-news .news-changes {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: 1px solid var(--line);
}

.page-news .news-changes__intro {
  margin-top: 0.85rem;
  max-width: 58ch;
  color: var(--mist);
  font-size: 15px;
}

.page-news .news-changes__banner {
  margin: 1.5rem 0 0.5rem;
}

.page-news .news-changes__banner img {
  height: clamp(110px, 18vw, 190px);
  object-fit: cover;
}

.page-news .news-change-group {
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

.page-news .news-change-group__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-change-group__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}

.page-news .news-chip {
  border: 1px solid var(--kind, var(--turquoise));
  color: var(--kind, var(--turquoise));
  background: transparent;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .news-chip--nav { --kind: var(--turquoise); }
.page-news .news-chip--data { --kind: var(--gold); }
.page-news .news-chip--fav { --kind: var(--coral); }
.page-news .news-chip--app { --kind: var(--mist); }

.page-news .news-change {
  display: grid;
  gap: 0.65rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(34, 55, 92, 0.65);
}

.page-news .news-change__what,
.page-news .news-change__why {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--snow);
}

.page-news .news-change__k {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-news .news-change__why .news-change__k {
  color: var(--turquoise);
}

/* ---------- 宽幅分隔带 ---------- */
.page-news .news-band {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .news-band img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 320px);
  object-fit: cover;
  opacity: 0.7;
}

.page-news .news-band__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem clamp(1.25rem, 4vw, 2rem) 0.9rem;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
  background: linear-gradient(transparent, rgba(10, 20, 40, 0.94));
}

/* ---------- 持续更新条目 ---------- */
.page-news .news-updates {
  padding: clamp(2.25rem, 5vw, 3.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.page-news .news-updates__intro {
  margin-top: 1rem;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.page-news .news-updates__intro p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

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

.page-news .news-updates__figure img {
  height: clamp(160px, 30vw, 260px);
  object-fit: cover;
}

.page-news .news-updates__grid {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-news .news-updates__side-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-updates__index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.85rem;
}

.page-news .news-updates__index .chapter-link {
  display: inline-block;
  padding: 0.25rem 0 0.25rem 0.7rem;
  border-left: 2px solid transparent;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.22s var(--news-ease), border-color 0.22s var(--news-ease);
}

.page-news .news-updates__index .chapter-link:hover,
.page-news .news-updates__index .chapter-link:focus-visible,
.page-news .news-updates__index .chapter-link[aria-current="location"] {
  color: var(--turquoise);
  border-left-color: var(--turquoise);
}

.page-news .news-updates__count {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}

.page-news .news-feed-group + .news-feed-group {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-news .news-feed-group__title {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--snow);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.page-news .news-feed {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-entry {
  padding: 1.1rem 0.25rem 1.1rem 0;
  border-bottom: 1px solid rgba(34, 55, 92, 0.55);
  transition: transform 0.24s var(--news-ease), border-color 0.24s var(--news-ease);
}

.page-news .news-entry:hover,
.page-news .news-entry:focus-within {
  transform: translateX(4px);
  border-bottom-color: rgba(47, 211, 181, 0.55);
}

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .news-entry__stage {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}

.page-news .news-entry__title {
  margin-top: 0.5rem;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--snow);
}

.page-news .news-entry__sum {
  margin-top: 0.4rem;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

/* ---------- 回看与订阅 ---------- */
.page-news .news-subscribe {
  padding: 0 0 clamp(2rem, 4vw, 3rem);
}

.page-news .news-subscribe__card {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background:
    radial-gradient(110% 130% at 8% 0%, rgba(47, 211, 181, 0.16), transparent 58%),
    radial-gradient(90% 120% at 100% 100%, rgba(242, 193, 78, 0.1), transparent 62%),
    var(--panel);
}

.page-news .news-subscribe__text p {
  margin-top: 0.9rem;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .news-subscribe__text h2 {
  margin-top: 0.35rem;
}

.page-news .news-subscribe__actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-news .news-subscribe__aside {
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.page-news .news-subscribe__aside-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-subscribe__aside p {
  margin-top: 0.6rem;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-subscribe__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
}

.page-news .news-subscribe__links a {
  color: var(--turquoise);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 211, 181, 0.4);
  padding-bottom: 1px;
}

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

.page-news a:focus-visible,
.page-news .chapter-link:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 3px;
}

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

@media (min-width: 780px) {
  .page-news .news-change {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-news .news-change__what {
    padding-right: clamp(1rem, 2.5vw, 1.75rem);
  }

  .page-news .news-change__why {
    border-left: 1px solid var(--line);
    padding-left: clamp(1rem, 2.5vw, 1.75rem);
  }

  .page-news .news-updates__intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-news .news-subscribe__card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-news .news-subscribe__aside {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: clamp(1rem, 2.5vw, 1.75rem);
  }
}

@media (min-width: 880px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-current {
    margin-top: 0.5rem;
  }
}

@media (min-width: 940px) {
  .page-news .news-updates__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-updates__side {
    position: sticky;
    top: 6.5rem;
  }

  .page-news .news-updates__index {
    flex-direction: column;
    gap: 0.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-updates__index .chapter-link {
    transition: none;
  }

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