.page-news {
  --news-track: clamp(2.4rem, 5vw, 4.6rem);
  --news-radius: var(--r-md);
  --news-muted: var(--text-muted);
  --news-hair: var(--line);
}

/* ============ 首屏封面 ============ */
.page-news .news-cover {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding-block: clamp(2.2rem, 6vw, 4.6rem) clamp(2rem, 5vw, 3.6rem);
}

.page-news .news-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 84% 4%, rgba(127, 196, 217, 0.22), transparent 58%),
    radial-gradient(72% 62% at 6% 96%, rgba(255, 90, 31, 0.15), transparent 64%);
  pointer-events: none;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  top: 12%;
  right: -10%;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(127, 196, 217, 0.22);
  pointer-events: none;
}

.page-news .news-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.4rem);
}

.page-news .news-cover__title {
  margin: 0.7rem 0 1.1rem;
  color: var(--white);
}

.page-news .news-cover__lede {
  color: var(--text-light);
  max-width: 46ch;
}

.page-news .news-cover__chips {
  margin-top: 1.5rem;
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.page-news .news-cover__side {
  display: grid;
  gap: 1.1rem;
}

.page-news .news-cover__frame {
  margin: 0;
  border: 1px solid var(--line-light);
}

.page-news .news-cover__tally {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}

.page-news .news-cover__tally-item {
  border: 1px solid var(--line-light);
  border-radius: var(--r-sm);
  padding: 0.85rem 0.7rem;
  text-align: center;
}

.page-news .news-cover__tally-item dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.page-news .news-cover__tally-item dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  line-height: 1;
  color: var(--white);
}

.page-news .news-cover__tally-item dd small {
  margin-left: 0.15em;
  font-family: var(--font-body);
  font-size: 0.62rem;
  color: var(--ice);
}

/* 最近收录条 */
.page-news .news-ticker {
  position: relative;
  z-index: 1;
  margin-top: clamp(2rem, 5vw, 3.4rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-light);
  display: grid;
  gap: 0.9rem;
}

.page-news .news-ticker__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-ticker__list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-ticker__item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-light);
}

.page-news .news-ticker__time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ice);
  white-space: nowrap;
}

.page-news .news-ticker__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--pill);
  border: 1px solid rgba(255, 90, 31, 0.5);
  color: var(--amber);
  white-space: nowrap;
}

.page-news .news-ticker__text {
  color: rgba(255, 255, 255, 0.86);
}

/* ============ 01 专题路线图 ============ */
.page-news .news-routes {
  background: var(--white);
  padding-block: var(--news-track);
}

.page-news .news-routes__head {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-news .news-routes__layout {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.2rem);
}

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

.page-news .news-routes__index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--news-hair);
  text-decoration: none;
  color: var(--deep);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-routes__index-link:hover,
.page-news .news-routes__index-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-news .news-routes__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-news .news-routes__index-link:hover .news-routes__num,
.page-news .news-routes__index-link:focus-visible .news-routes__num {
  color: var(--orange);
}

.page-news .news-routes__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.3;
}

.page-news .news-routes__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78%);
  gap: 1rem;
  margin: 0;
  padding: 0 0 0.9rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--mist) transparent;
}

.page-news .news-routes__track > * {
  scroll-snap-align: start;
}

.page-news .news-route-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem 1.3rem 1.5rem;
  border: 1px solid var(--news-hair);
  border-radius: var(--news-radius);
  background: var(--snow);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-route-card:hover,
.page-news .news-route-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--white);
}

.page-news .news-route-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-news .news-route-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.32rem;
  line-height: 1.25;
  color: var(--ink);
}

.page-news .news-route-card__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-route-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-news .news-route-card .link-more {
  margin-top: auto;
}

/* ============ 02 本周更新 ============ */
.page-news .news-week {
  background: var(--snow);
  padding-block: var(--news-track);
}

.page-news .news-week__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.2rem);
}

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

.page-news .news-week__desc {
  margin: 0.9rem 0 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-week__frame {
  margin: 1.8rem 0 0;
  border: 1px solid var(--news-hair);
}

.page-news .news-week__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: weekitem;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-week__item {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--news-hair);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-week__item:hover {
  border-bottom-color: var(--orange);
}

.page-news .news-week__coord {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .news-week__item-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .news-week__item-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--news-muted);
}

/* ============ 03 产品版本 ============ */
.page-news .news-versions {
  background: var(--white);
  padding-block: var(--news-track);
}

.page-news .news-versions__head {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-news .news-version {
  display: grid;
  gap: 0.55rem;
  padding: 1.4rem 1.25rem;
  border: 1px solid var(--news-hair);
  border-left: 3px solid var(--blue);
  border-radius: var(--r-sm);
  background: var(--white);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-version:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  border-left-color: var(--orange);
  background: var(--snow);
}

.page-news .news-version__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-news .news-version:hover .news-version__coord {
  color: var(--orange);
}

.page-news .news-version__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-news .news-version__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-version__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-news .news-versions__foot {
  margin: 1.8rem 0 0;
}

/* ============ 04 本地观察 ============ */
.page-news .news-local {
  position: relative;
  background: var(--deep);
  color: var(--white);
  padding-block: var(--news-track);
  overflow: hidden;
}

.page-news .news-local::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 70% at 92% 8%, rgba(127, 196, 217, 0.18), transparent 60%),
    radial-gradient(60% 55% at 4% 100%, rgba(255, 90, 31, 0.14), transparent 62%);
  pointer-events: none;
}

.page-news .news-local__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-news .news-local__frame {
  margin: 0;
  border: 1px solid var(--line-light);
  order: 2;
}

.page-news .news-local__frame .media-frame__caption {
  color: var(--text-light);
}

.page-news .news-local__body {
  order: 1;
}

.page-news .news-local__title {
  margin-top: 0.5rem;
  color: var(--white);
}

.page-news .news-local__desc {
  margin: 0.9rem 0 1.6rem;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-light);
}

.page-news .news-local__list {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-local__item {
  padding-left: 1rem;
  border-left: 2px solid rgba(127, 196, 217, 0.45);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-local__item:hover {
  border-left-color: var(--orange);
}

.page-news .news-local__item-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.4;
  color: var(--white);
}

.page-news .news-local__item-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-light);
}

/* ============ 05 使用指南 ============ */
.page-news .news-guides {
  background: var(--white);
  padding-block: var(--news-track);
}

.page-news .news-guides__head {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-news .news-guides__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-news .news-guide-step {
  display: grid;
  gap: 0.5rem;
  padding: 1.3rem 1.2rem 1.4rem;
  border-radius: var(--news-radius);
  background: var(--snow);
  border: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-guide-step:hover,
.page-news .news-guide-step:focus-within {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--white);
}

.page-news .news-guide-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-news .news-guide-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-news .news-guide-step__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-guide-step .link-more {
  margin-top: 0.2rem;
}

.page-news .news-guides__frame {
  margin: 0;
  border: 1px solid var(--news-hair);
}

/* ============ 06 更新节奏 ============ */
.page-news .news-pulse {
  background: var(--snow);
  padding-block: var(--news-track);
}

.page-news .news-pulse__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

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

.page-news .news-pulse__desc {
  margin: 0.9rem 0 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--news-muted);
}

.page-news .news-pulse__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0;
}

.page-news .news-pulse__stat {
  padding: 1rem 0.9rem;
  border-radius: var(--r-sm);
  background: var(--white);
  border: 1px solid var(--news-hair);
}

.page-news .news-pulse__stat dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-news .news-pulse__stat dd {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .news-pulse__stat dd small {
  margin-left: 0.15em;
  font-family: var(--font-body);
  font-size: 0.66rem;
  color: var(--news-muted);
}

.page-news .news-pulse__subscribe {
  padding: 1.5rem 1.3rem 1.6rem;
  border-radius: var(--news-radius);
  background: var(--ink);
  color: var(--white);
}

.page-news .news-pulse__subscribe-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.24rem;
  line-height: 1.35;
}

.page-news .news-pulse__subscribe-text {
  margin: 0 0 0.9rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-light);
}

.page-news .news-pulse__subscribe-mail {
  margin: 0 0 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--ice);
  word-break: break-all;
}

.page-news .news-pulse__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ============ 平板 ============ */
@media (min-width: 640px) {
  .page-news .news-routes__track {
    grid-auto-columns: minmax(260px, 46%);
    gap: 1.15rem;
  }

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

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

  .page-news .news-guide-step:last-child {
    grid-column: 1 / -1;
  }

  .page-news .news-ticker__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-news .news-ticker__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
    padding-left: 0.85rem;
    border-left: 2px solid rgba(127, 196, 217, 0.35);
  }
}

/* ============ 桌面 ============ */
@media (min-width: 900px) {
  .page-news .news-cover__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: clamp(2.4rem, 4vw, 4rem);
  }

  .page-news .news-cover__side {
    padding-top: 2.2rem;
  }

  .page-news .news-routes__layout {
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-news .news-routes__index {
    display: block;
    position: sticky;
    top: calc(var(--header-offset) + 1.5rem);
  }

  .page-news .news-routes__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-week__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-news .news-week__intro {
    position: sticky;
    top: calc(var(--header-offset) + 1.5rem);
  }

  .page-news .news-local__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: center;
    gap: clamp(2.2rem, 4vw, 3.6rem);
  }

  .page-news .news-local__frame {
    order: 1;
  }

  .page-news .news-local__body {
    order: 2;
  }

  .page-news .news-local__list {
    gap: 1.3rem;
  }

  .page-news .news-guides__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

  .page-news .news-guide-step:last-child {
    grid-column: auto;
  }

  .page-news .news-guides__frame {
    position: sticky;
    top: calc(var(--header-offset) + 1.5rem);
  }

  .page-news .news-pulse__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.4rem);
  }

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

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

@media (min-width: 1120px) {
  .page-news .news-versions__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-route-card {
    padding: 1.6rem 1.5rem 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-route-card,
  .page-news .news-version,
  .page-news .news-guide-step {
    transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }

  .page-news .news-route-card:hover,
  .page-news .news-route-card:focus-within,
  .page-news .news-version:hover,
  .page-news .news-guide-step:hover,
  .page-news .news-guide-step:focus-within {
    transform: none;
  }
}