.page-news {
  background: var(--bg-deep);
  color: var(--mist);
  padding-top: var(--header-h);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-8);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--rule) 1px, transparent 1px),
    linear-gradient(180deg, var(--rule) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.32;
  -webkit-mask-image: radial-gradient(95% 85% at 82% 6%, #000 0%, transparent 70%);
  mask-image: radial-gradient(95% 85% at 82% 6%, #000 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-news .news-hero .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-news .news-hero__frame {
  position: relative;
  padding: clamp(26px, 4.5vw, 56px) clamp(20px, 4vw, 60px) clamp(28px, 4vw, 56px);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 150% at 88% -10%, rgba(199, 249, 74, 0.08) 0%, transparent 55%),
    linear-gradient(180deg, rgba(22, 36, 31, 0.74) 0%, rgba(11, 26, 22, 0.42) 100%);
  overflow: hidden;
}

.page-news .news-hero__frame::before,
.page-news .news-hero__frame::after {
  content: "";
  position: absolute;
  height: 1px;
  background: var(--lime);
  opacity: 0.55;
}

.page-news .news-hero__frame::before {
  top: -1px;
  left: 14%;
  width: 72px;
}

.page-news .news-hero__frame::after {
  bottom: -1px;
  right: 14%;
  width: 110px;
}

.page-news .news-hero__title {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  max-width: 20ch;
}

.page-news .news-hero__lede {
  max-width: 64ch;
  color: var(--mist);
  opacity: 0.85;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
  max-width: 760px;
}

.page-news .news-stat__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .news-stat__num {
  margin: 6px 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.875rem);
  font-weight: 700;
  color: var(--lime);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

/* ---------- 通用章节 ---------- */

.page-news .section {
  position: relative;
  padding: var(--space-8) 0;
}

.page-news .section__head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}

.page-news .section__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-news .section__note {
  margin: var(--space-3) 0 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--stone);
}

.page-news .section a {
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 筛选 ---------- */

.page-news .news-filter {
  position: relative;
  margin-bottom: var(--space-6);
}

.page-news .news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .news-filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filter__pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  background: rgba(22, 36, 31, 0.62);
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-filter__pill:hover {
  color: var(--mist);
  border-color: rgba(199, 249, 74, 0.45);
}

.page-news:has(#nf-all:checked) .news-filter__pill[for="nf-all"],
.page-news:has(#nf-version:checked) .news-filter__pill[for="nf-version"],
.page-news:has(#nf-column:checked) .news-filter__pill[for="nf-column"],
.page-news:has(#nf-topic:checked) .news-filter__pill[for="nf-topic"],
.page-news:has(#nf-note:checked) .news-filter__pill[for="nf-note"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

/* 筛选：隐藏不匹配条目与空分组 */
.page-news:has(#nf-version:checked) .entry:not(.entry--version),
.page-news:has(#nf-column:checked) .entry:not(.entry--column),
.page-news:has(#nf-topic:checked) .entry:not(.entry--topic),
.page-news:has(#nf-note:checked) .entry:not(.entry--note) {
  display: none;
}

.page-news:has(#nf-version:checked) .news-group:not(:has(.entry--version)),
.page-news:has(#nf-column:checked) .news-group:not(:has(.entry--column)),
.page-news:has(#nf-topic:checked) .news-group:not(:has(.entry--topic)),
.page-news:has(#nf-note:checked) .news-group:not(:has(.entry--note)) {
  display: none;
}

/* ---------- 时间线分组 ---------- */

.page-news .news-group + .news-group {
  margin-top: var(--space-8);
}

.page-news .news-group__title {
  position: sticky;
  top: calc(var(--header-h) + 4px);
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 var(--space-4);
  padding: 10px 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--stone);
  background: var(--bg-deep);
}

.page-news .news-group__title::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 249, 74, 0.14);
}

.page-news .news-group__list {
  position: relative;
  padding-left: 30px;
}

.page-news .news-group__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(199, 249, 74, 0.55) 0%, var(--rule) 16%, var(--rule) 100%);
  pointer-events: none;
}

/* ---------- 更新条目 ---------- */

.page-news .entry {
  position: relative;
  margin-bottom: var(--space-3);
}

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

.page-news .entry::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 1px solid var(--rule);
  z-index: 1;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .entry:hover::before,
.page-news .entry[open]::before {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 249, 74, 0.16);
}

.page-news .entry__sum {
  position: relative;
  display: block;
  list-style: none;
  padding: 18px 46px 18px 20px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

.page-news .entry__sum::marker {
  content: "";
}

.page-news .entry__sum:hover {
  border-color: rgba(199, 249, 74, 0.45);
  transform: translateX(4px);
  box-shadow: inset 2px 0 0 0 var(--lime);
}

.page-news .entry__sum::after {
  content: "+";
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--stone);
  transition: color 0.2s var(--ease);
}

.page-news .entry[open] .entry__sum::after {
  content: "–";
  color: var(--lime);
}

.page-news .entry__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--mist);
}

.page-news .entry__brief {
  margin: 8px 0 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--stone);
  max-width: 62ch;
}

.page-news .entry__meta {
  display: block;
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--stone);
  opacity: 0.78;
}

.page-news .entry[open] .entry__sum {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.page-news .entry__body {
  margin-top: -1px;
  padding: 16px 20px 20px;
  border: 1px solid var(--rule);
  border-top-color: rgba(42, 59, 54, 0.55);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: rgba(14, 23, 38, 0.55);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: rgba(232, 240, 234, 0.82);
}

.page-news .entry__body p {
  margin: 0 0 12px;
  max-width: 66ch;
}

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

.page-news .entry__figure {
  margin: 16px 0 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-news .entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-news .entry--mid .entry__sum,
.page-news .entry--mid .entry__body {
  max-width: 100%;
}

.page-news .entry--narrow .entry__sum,
.page-news .entry--narrow .entry__body {
  max-width: 100%;
}

/* ---------- 分类标签 ---------- */

.page-news .tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  white-space: nowrap;
}

.page-news .tag-chip--version {
  color: var(--lime);
  background: rgba(199, 249, 74, 0.12);
}

.page-news .tag-chip--column {
  color: var(--aqua);
  background: rgba(79, 209, 197, 0.13);
}

.page-news .tag-chip--topic {
  color: var(--red);
  background: rgba(226, 69, 58, 0.14);
}

.page-news .tag-chip--note {
  color: var(--mist);
  background: rgba(154, 169, 161, 0.16);
}

/* ---------- 版本迭代记录 ---------- */

.page-news .news-versions {
  background: var(--bg-night);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-news .news-versions .figure-frame {
  margin: 0 0 var(--space-6);
}

.page-news .news-versions__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-news .vitem {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-3);
  padding: 20px 12px 20px 0;
  border-bottom: 1px solid var(--rule);
  transition: background-color 0.2s var(--ease);
}

.page-news .vitem:hover {
  background: rgba(199, 249, 74, 0.045);
}

.page-news .vitem__no {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--lime);
}

.page-news .vitem__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-news .vitem__desc {
  margin: 6px 0 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--stone);
  max-width: 66ch;
}

/* ---------- 专题系列 ---------- */

.page-news .news-topics {
  overflow: hidden;
}

.page-news .news-topics__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-news .news-topics__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.17;
  filter: saturate(0.85);
}

.page-news .news-topics__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(85% 95% at 18% 26%, rgba(11, 26, 22, 0.3) 0%, var(--bg-deep) 76%);
}

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

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: rgba(14, 23, 38, 0.72);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .topic-card:hover {
  border-color: rgba(199, 249, 74, 0.42);
  transform: translateY(-2px);
}

.page-news .topic-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-news .topic-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .topic-card__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news .topic-card__status {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--aqua);
}

/* ---------- 标签与筛选 ---------- */

.page-news .news-tags {
  background: var(--bg-night);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-news .news-tags__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-news .news-tags__list {
  margin: 0 0 var(--space-4);
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-news .tagrow {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: 6px 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.page-news .tagrow dt {
  margin: 0;
}

.page-news .tagrow dd {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news .news-tags__foot {
  margin: 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--stone);
  max-width: 60ch;
}

.page-news .news-tags__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-4);
}

.page-news .news-linkbtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .news-linkbtn:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(199, 249, 74, 0.06);
}

.page-news .news-tags__grid .figure-frame {
  margin: 0;
}

/* ---------- 跟进方式 ---------- */

.page-news .news-follow {
  padding-bottom: var(--space-12);
}

.page-news .news-follow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news .follow-card {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(22, 36, 31, 0.92) 0%, rgba(11, 26, 22, 0.92) 100%);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-news .follow-card:hover {
  border-color: rgba(199, 249, 74, 0.4);
  transform: translateY(-2px);
}

.page-news .follow-card__no {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-news .follow-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--mist);
}

.page-news .follow-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news .news-follow__foot {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--stone);
  max-width: 68ch;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .section {
    padding: var(--space-12) 0;
  }

  .page-news .news-hero {
    padding: var(--space-8) 0 var(--space-12);
  }

  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-group__list {
    padding-left: 40px;
  }

  .page-news .news-group__list::before {
    left: 12px;
  }

  .page-news .entry::before {
    left: -32px;
  }

  .page-news .entry__sum {
    padding: 22px 52px 22px 24px;
  }

  .page-news .entry__body {
    padding: 18px 24px 22px;
  }

  .page-news .entry--mid .entry__sum,
  .page-news .entry--mid .entry__body {
    max-width: 640px;
  }

  .page-news .entry--narrow .entry__sum,
  .page-news .entry--narrow .entry__body {
    max-width: 480px;
  }
}

@media (min-width: 900px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-news .news-follow__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-news .news-tags__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-8);
  }

  .page-news .vitem {
    grid-template-columns: 84px minmax(0, 1fr);
    padding: 22px 16px 22px 0;
  }

  .page-news .vitem__no {
    font-size: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry__sum,
  .page-news .entry::before,
  .page-news .news-filter__pill,
  .page-news .topic-card,
  .page-news .follow-card,
  .page-news .news-linkbtn {
    transition: opacity 0.2s linear;
  }

  .page-news .entry__sum:hover,
  .page-news .topic-card:hover,
  .page-news .follow-card:hover {
    transform: none;
  }
}