.page-news {
  --news-pad: clamp(2.5rem, 6vw, 5rem);
  --news-ink: var(--ink-900);
  background: var(--paper);
  color: var(--graphite);
}

.page-news .news-inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(2.25rem, 5vw, 4rem);
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 78%);
  border-bottom: var(--line);
}

.page-news .news-hero__stamp {
  position: absolute;
  top: .2rem;
  left: max(.5rem, calc((100vw - var(--shell)) / 2 - .5rem));
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(3.5rem, 11vw, 8rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--ink-900);
  opacity: .06;
  pointer-events: none;
  user-select: none;
}

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

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-hero__title {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-display);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--ink-900);
  max-width: 15em;
}

.page-news .news-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 32em;
  font-size: var(--fs-md);
  line-height: 1.78;
  color: var(--graphite-soft);
}

.page-news .news-hero__meta {
  margin: 1.35rem 0 0;
  padding-top: .85rem;
  border-top: 2px solid var(--amber-500);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--ink-500);
}

.page-news .news-shot {
  margin: 0;
  position: relative;
  padding: .5rem;
  background: var(--paper-2);
  border: var(--line);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-sheet);
}

.page-news .news-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

.page-news .news-hero__figure {
  border-top: 3px solid var(--ink-900);
}

/* ---------- 动态列表 ---------- */
.page-news .news-stream {
  padding-block: var(--news-pad);
}

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

.page-news .news-filter__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .6rem;
}

.page-news .news-filter__btn {
  appearance: none;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  letter-spacing: .02em;
  color: var(--ink-700);
  background: transparent;
  border: 1px solid var(--stone-200);
  border-radius: var(--radius-pill);
  padding: .38rem .95rem;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.page-news .news-filter__btn:hover {
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.page-news .news-filter__btn:focus-visible {
  outline: 2px solid var(--amber-500);
  outline-offset: 2px;
}

.page-news .news-filter__btn[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-news .news-filter__count {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--graphite-soft);
}

.page-news .news-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: .45rem 1.75rem;
  padding: 1.35rem 0;
  border-bottom: var(--line);
  transition: transform var(--dur) var(--ease);
}

.page-news .news-item[data-filtered="out"] {
  display: none;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .75rem;
}

.page-news .news-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  line-height: 1.6;
  padding: .14rem .5rem;
  border-radius: 2px;
  white-space: nowrap;
}

.page-news .news-tag--amber {
  background: var(--amber-500);
  color: var(--ink-900);
}

.page-news .news-tag--sage {
  background: var(--sage-500);
  color: var(--paper-2);
}

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

.page-news .news-tag--coral {
  background: var(--coral-500);
  color: var(--paper-2);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--graphite-soft);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.0625rem, 1.7vw, 1.3125rem);
  line-height: 1.45;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease);
}

.page-news .news-item__summary {
  margin: .4rem 0 0;
  max-width: 40em;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--graphite-soft);
}

.page-news .news-item__keys {
  display: none;
}

/* ---------- 分类说明 ---------- */
.page-news .news-kinds {
  padding-block: var(--news-pad);
  background: linear-gradient(180deg, var(--sage-100) 0%, var(--paper) 100%);
  border-block: var(--line);
}

.page-news .news-kinds__list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
}

.page-news .news-kind {
  padding: 1.05rem 0 1.25rem;
  border-top: 2px solid var(--stone-200);
}

.page-news .news-kind--version { border-top-color: var(--amber-500); }
.page-news .news-kind--release { border-top-color: var(--sage-500); }
.page-news .news-kind--service { border-top-color: var(--ink-700); }
.page-news .news-kind--series  { border-top-color: var(--coral-500); }

.page-news .news-kind__head {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

.page-news .news-kind__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--ink-500);
}

.page-news .news-kind__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--ink-900);
}

.page-news .news-kind__text {
  margin: .5rem 0 0;
  max-width: 34em;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--graphite-soft);
}

/* ---------- 专题横滑 ---------- */
.page-news .news-topics {
  padding-block: var(--news-pad) calc(var(--news-pad) * .75);
  background: var(--ink-900);
  color: var(--paper);
}

.page-news .news-topics__head {
  max-width: 44em;
}

.page-news .news-topics__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .14em;
  color: var(--amber-300);
}

.page-news .news-topics__title {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper-2);
}

.page-news .news-topics__note {
  margin: .85rem 0 0;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--stone-200);
}

.page-news .news-topics__rail {
  display: flex;
  gap: 1.15rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-inline: max(var(--gutter), calc((100vw - var(--shell)) / 2));
  padding-block: clamp(1.75rem, 4vw, 2.75rem) 1.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--amber-500) rgba(255, 255, 255, .12);
}

.page-news .news-topics__rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-topics__rail::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, .12);
}

.page-news .news-topics__rail::-webkit-scrollbar-thumb {
  background: var(--amber-500);
  border-radius: 3px;
}

.page-news .news-topics__rail:focus-visible {
  outline: 2px solid var(--amber-300);
  outline-offset: -2px;
}

.page-news .topic-card {
  flex: 0 0 min(84%, 21rem);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.15rem;
  background: var(--paper);
  color: var(--graphite);
  border-top: 3px solid var(--amber-500);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-sheet);
}

.page-news .topic-card__shot {
  margin: -.15rem 0 .15rem;
  padding: .35rem;
  box-shadow: none;
}

.page-news .topic-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--ink-500);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.72;
  color: var(--graphite-soft);
}

.page-news .topic-card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: auto 0 0;
  padding: .85rem 0 0;
  border-top: var(--line);
}

.page-news .news-topics__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--sage-500);
}

/* ---------- 行业组合 ---------- */
.page-news .news-bundles {
  padding-block: var(--news-pad);
}

.page-news .news-bundles__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-news .news-bundles__shot {
  border-bottom: 3px solid var(--sage-500);
}

.page-news .bundle-list {
  list-style: none;
  margin: 1.5rem 0 1.75rem;
  padding: 0;
}

.page-news .bundle-item {
  display: grid;
  gap: .35rem .9rem;
  padding: .95rem 0 1.05rem;
  border-top: var(--line);
}

.page-news .bundle-item:last-child {
  border-bottom: var(--line);
}

.page-news .bundle-item__name {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .12em;
  line-height: 1.6;
  color: var(--ink-900);
  border-left: 3px solid var(--amber-500);
  padding-left: .55rem;
}

.page-news .bundle-item__text {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--graphite-soft);
}

/* ---------- 交付网络 ---------- */
.page-news .news-network {
  padding-block: var(--news-pad);
  background: var(--sage-100);
  border-block: var(--line);
}

.page-news .news-network__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-news .news-network__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .14em;
  color: var(--ink-500);
}

.page-news .news-network__title {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.24;
  color: var(--ink-900);
}

.page-news .news-network__text {
  margin: .9rem 0 0;
  max-width: 36em;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--graphite);
}

.page-news .news-network__link {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: var(--fs-sm);
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 2px solid var(--amber-500);
  padding-bottom: .15rem;
}

.page-news .news-network__link:hover {
  color: var(--ink-900);
  border-bottom-color: var(--coral-500);
}

.page-news .news-network__shot {
  border-top: 3px solid var(--ink-700);
}

/* ---------- 回访路径 ---------- */
.page-news .news-follow {
  padding-block: var(--news-pad);
}

.page-news .follow-list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-news .follow-item {
  display: grid;
  gap: .5rem 1.25rem;
  padding: 1.15rem 0 1.25rem;
  border-bottom: var(--line);
}

.page-news .follow-item__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .12em;
  color: var(--amber-500);
}

.page-news .follow-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--ink-900);
}

.page-news .follow-item__text {
  margin: .35rem 0 0;
  max-width: 36em;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--graphite-soft);
}

.page-news .follow-item__text a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-500);
  padding-bottom: 1px;
}

.page-news .follow-item__text a:hover {
  color: var(--ink-900);
  border-bottom-width: 2px;
}

.page-news .news-follow__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 3vw, 1.9rem);
  background: var(--paper-2);
  border: var(--line);
  border-left: 4px solid var(--amber-500);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-sheet);
}

.page-news .news-follow__hint {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--graphite-soft);
}

.page-news .news-follow__hint a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-500);
}

.page-news .news-follow__hint a:hover {
  color: var(--ink-900);
}

/* ---------- 断点 ---------- */
@media (min-width: 40rem) {
  .page-news .bundle-item {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    align-items: start;
  }

  .page-news .follow-item {
    grid-template-columns: 3rem minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 48rem) {
  .page-news .news-item {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: .45rem;
    padding-top: .2rem;
  }
}

@media (min-width: 52rem) {
  .page-news .news-kinds__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2rem, 4vw, 3.5rem);
  }
}

@media (min-width: 62rem) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-news .news-bundles__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .news-network__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-news .topic-card {
    flex-basis: 23rem;
  }
}

@media (hover: hover) and (pointer: fine) and (min-width: 64rem) {
  .page-news .news-item:hover,
  .page-news .news-item:focus-within {
    transform: translateX(6px);
  }

  .page-news .news-item:hover .news-item__title,
  .page-news .news-item:focus-within .news-item__title {
    color: var(--ink-500);
  }

  .page-news .news-item__keys {
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    z-index: 3;
    width: min(15rem, 42%);
    transform: translateY(-50%) translateX(.4rem);
    padding: .6rem .8rem;
    background: var(--ink-900);
    color: var(--paper-2);
    border-left: 3px solid var(--amber-500);
    border-radius: var(--radius-s);
    box-shadow: var(--shadow-float);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    line-height: 1.7;
    letter-spacing: .04em;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .page-news .news-item:hover .news-item__keys,
  .page-news .news-item:focus-within .news-item__keys {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item__title,
  .page-news .news-item__keys {
    transition: none;
  }

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