.page-news {
  --news-line: rgba(30, 124, 110, 0.14);
  --news-accent-line: rgba(53, 185, 164, 0.18);
  position: relative;
  background: var(--porcelain);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 10px;
}

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

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(20, 35, 31, 0.035) 0 1px,
    transparent 1px 34px
  );
}

.page-news mark {
  background: linear-gradient(transparent 62%, rgba(0, 217, 181, 0.34) 62%);
  color: inherit;
}

.page-news .visually-hidden-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏导读 ---------- */
.page-news .news-lede {
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(230, 242, 237, 0.9) 0%, rgba(247, 250, 248, 0) 58%);
}

.page-news .news-lede .breadcrumb {
  margin-bottom: 22px;
}

.page-news .news-lede__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-lede h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-news .news-lede .lede {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .news-lede__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-lede__side {
  padding: 22px 20px 24px;
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-side__title {
  margin: 0 0 16px;
  padding-left: 12px;
  position: relative;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--deep-aqua);
}

.page-news .news-side__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3px;
  width: 3px;
  background: var(--aqua);
}

.page-news .news-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 11px;
  border-bottom: 1px dashed rgba(185, 138, 75, 0.42);
}

.page-news .news-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .news-facts__k {
  flex: 0 0 auto;
  min-width: 66px;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep-aqua);
  letter-spacing: -0.01em;
}

.page-news .news-facts__v {
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 主题簇索引带 ---------- */
.page-news .news-board {
  padding-top: 6px;
}

.page-news .news-cluster {
  padding: 12px 0 6px;
}

.page-news .news-cluster__head {
  align-items: flex-end;
  gap: 12px;
}

.page-news .news-cluster__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-cluster__scroller {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding: 2px 2px 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-cluster__scroller::-webkit-scrollbar {
  height: 4px;
}

.page-news .news-cluster__scroller::-webkit-scrollbar-track {
  background: var(--mist);
}

.page-news .news-cluster__scroller::-webkit-scrollbar-thumb {
  background: rgba(53, 185, 164, 0.5);
}

.page-news .cluster-chip {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: start;
  appearance: none;
  padding: 12px 18px 14px;
  border: 1px solid rgba(30, 124, 110, 0.2);
  background: var(--porcelain);
  color: var(--deep-aqua);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.03em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background 120ms var(--ease), color 120ms var(--ease),
    border-color 120ms var(--ease);
}

.page-news .cluster-chip:hover {
  background: var(--mist);
}

.page-news .cluster-chip[aria-pressed="true"] {
  background: var(--deep-aqua);
  border-color: var(--deep-aqua);
  color: var(--porcelain);
}

.page-news .cluster-chip[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 2px;
  background: var(--electric);
}

.page-news .news-cluster__figure {
  margin: 20px 0 0;
}

.page-news .news-cluster__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-cluster__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 条目流 ---------- */
.page-news .entry-zone {
  padding-top: 34px;
}

.page-news .entry-zone__grid {
  display: grid;
  gap: 0;
}

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

.page-news .entry-stream {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-news .entry-stream__figure {
  margin: 0 0 8px;
}

.page-news .entry-stream__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .entry {
  position: relative;
  padding: 28px 4px 30px 22px;
  scroll-margin-top: 84px;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 32px;
  width: 3px;
  height: 36px;
  background: var(--aqua);
}

.page-news .entry::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 6px;
  bottom: 0;
  height: 7px;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--news-accent-line) 0 2px,
    transparent 2px 8px
  );
}

.page-news .entry:last-child::after {
  display: none;
}

.page-news .entry[data-tags~="版本迭代"]::before {
  background: var(--deep-aqua);
}

.page-news .entry[data-tags~="页面体验"]::before {
  background: var(--electric);
}

.page-news .entry[data-tags~="分类维护"]::before {
  background: var(--copper);
}

.page-news .entry[data-tags~="场景实测"]::before {
  background: var(--vermilion);
}

.page-news .entry:target {
  background: rgba(230, 242, 237, 0.7);
}

.page-news .entry__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-news .entry__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

.page-news .entry__cluster {
  display: inline-block;
  margin: 0 0 9px;
  padding: 3px 8px 4px;
  border: 1px solid rgba(30, 124, 110, 0.3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--deep-aqua);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4.6vw, 23px);
  line-height: 1.42;
  letter-spacing: 0.015em;
  color: var(--ink);
}

.page-news .entry__summary {
  margin: 14px 0 12px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--slate);
}

.page-news .entry__readtime {
  margin-left: auto;
  color: var(--deep-aqua);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .entry__detail {
  margin-top: 16px;
  padding-left: 15px;
  border-left: 2px solid var(--mist);
}

.page-news .entry__detail summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 0;
  font-size: 13.5px;
  color: var(--deep-aqua);
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__detail summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-news .entry__detail[open] summary::after {
  content: "–";
}

.page-news .entry__detail p {
  margin: 10px 0 2px;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate);
}

.page-news [data-filter-item][hidden] {
  display: none;
}

/* ---------- 对照更新 ---------- */
.page-news .news-compare {
  background: var(--mist);
}

.page-news .news-compare .section-title {
  margin-bottom: 22px;
}

.page-news .news-compare__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-compare__copy p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--slate);
}

.page-news .news-compare__copy .link-underline {
  display: inline-block;
  margin-top: 4px;
  font-size: 15px;
}

.page-news .news-compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-news .news-compare__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(30, 124, 110, 0.16);
}

.page-news .news-compare__list li:first-child {
  border-top: 1px solid rgba(30, 124, 110, 0.16);
}

.page-news .news-compare__num {
  flex: 0 0 auto;
  min-width: 56px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--deep-aqua);
}

.page-news .news-compare__txt {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 场景实测 ---------- */
.page-news .news-field .section-title {
  margin-bottom: 26px;
}

.page-news .news-field__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-field__list {
  display: grid;
  gap: 0;
}

.page-news .field-item {
  position: relative;
  padding: 22px 0 24px 20px;
  border-top: 1px solid var(--news-line);
}

.page-news .field-item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-news .field-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--porcelain);
  border: 1px solid var(--copper);
}

.page-news .field-item:first-child::before {
  top: 8px;
}

.page-news .field-item__idx {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-news .field-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.44;
  letter-spacing: 0.015em;
  color: var(--ink);
}

.page-news .field-item p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

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

.page-news .news-field__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 1100;
  object-fit: cover;
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-field__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 回访引导 ---------- */
.page-news .news-return .section-title {
  margin-bottom: 18px;
}

.page-news .news-return__grid {
  display: grid;
  gap: 26px;
}

.page-news .news-return__copy p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--slate);
}

.page-news .news-return__copy .link-underline {
  font-size: 15px;
}

.page-news .news-return__panel {
  padding: 22px 20px 24px;
  background: var(--deep-ink);
  color: var(--porcelain);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-news .news-return__panel-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--electric);
}

.page-news .news-return__panel-body {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 248, 0.86);
}

.page-news .news-return__panel-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 217, 181, 0.28);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(247, 250, 248, 0.62);
}

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

.page-news .news-return__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
  background: var(--mist);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-lede {
    padding: 40px 0 56px;
  }

  .page-news .news-lede__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-facts__k {
    font-size: 19px;
  }

  .page-news .news-compare__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 46px;
  }

  .page-news .news-compare__num {
    font-size: 30px;
  }

  .page-news .news-field__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-return__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .entry__meta {
    font-size: 12.5px;
  }
}

@media (min-width: 900px) {
  .page-news .entry__readtime {
    opacity: 0;
    transform: translateX(-8px);
  }

  .page-news .entry:hover .entry__readtime,
  .page-news .entry:focus-within .entry__readtime {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (min-width: 980px) {
  .page-news .entry-zone__grid {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 0 34px;
    align-items: start;
  }

  .page-news .news-timeline {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 30px);
    padding: 34px 0 20px;
  }

  .page-news .news-timeline ol {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    display: grid;
    gap: 20px;
  }

  .page-news .news-timeline ol::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background-image: repeating-linear-gradient(
      to bottom,
      rgba(185, 138, 75, 0.6) 0 4px,
      transparent 4px 10px
    );
  }

  .page-news .news-timeline li {
    position: relative;
  }

  .page-news .news-timeline a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.05em;
    color: var(--slate);
    text-decoration: none;
  }

  .page-news .news-timeline a::before {
    content: "";
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    margin-left: 5px;
    border-radius: 50%;
    border: 1px solid var(--copper);
    background: var(--porcelain);
    transition: background 140ms var(--ease), border-color 140ms var(--ease);
  }

  .page-news .news-timeline a:hover,
  .page-news .news-timeline a:focus-visible {
    color: var(--deep-aqua);
  }

  .page-news .news-timeline a:hover::before,
  .page-news .news-timeline a:focus-visible::before {
    background: var(--electric);
    border-color: var(--electric);
  }

  .page-news .entry {
    padding: 32px 6px 34px 24px;
  }

  .page-news .entry__summary {
    font-size: 16px;
  }
}