.page-news {
  --news-path: rgba(37, 230, 216, .26);
  --news-card: rgba(13, 34, 51, .82);
  --news-card-soft: rgba(27, 58, 75, .42);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 2.2rem);
  padding-bottom: clamp(1.8rem, 5vw, 3rem);
  background: radial-gradient(120% 90% at 82% 8%, rgba(107, 31, 58, .5) 0%, rgba(7, 19, 31, 0) 62%), var(--ink-900);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-news .news-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 31, .5) 0%, rgba(7, 19, 31, .86) 58%, var(--ink-900) 100%);
}

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

.page-news .news-hero__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.6rem;
}

.page-news .news-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8.4vw, 4.2rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
  margin: .4rem 0 1rem;
  max-width: 20ch;
}

.page-news .news-hero__lead .lead {
  max-width: 54ch;
  color: var(--mist);
  opacity: .88;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-news .news-hero__issue {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .3rem;
}

.page-news .issue-no {
  font-family: var(--font-mono);
  font-size: clamp(4.6rem, 24vw, 11rem);
  font-weight: 300;
  line-height: .78;
  letter-spacing: -.04em;
  color: rgba(255, 201, 107, .2);
  -webkit-text-stroke: 1px rgba(255, 201, 107, .72);
}

.page-news .issue-cap {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--gold);
  padding-left: .2rem;
}

.page-news .news-rhythm {
  display: grid;
  gap: .8rem;
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
  padding-top: 1.1rem;
  border-top: var(--hair-cyan);
}

.page-news .rhythm-item {
  display: grid;
  gap: .25rem;
}

.page-news .rhythm-item .coord {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
}

.page-news .rhythm-text {
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.6;
  opacity: .86;
}

/* ---------- 索引 ---------- */
.page-news .section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
}

.page-news .section-head h2,
.page-news .versions-copy h2,
.page-news .season-copy h2,
.page-news .series-head__copy h2,
.page-news .cadence-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--mist);
  margin: .4rem 0 .8rem;
}

.page-news .section-head .lead,
.page-news .versions-copy .lead,
.page-news .season-copy .lead,
.page-news .series-head__copy .lead,
.page-news .cadence-copy .lead {
  color: var(--steel);
  max-width: 56ch;
}

.page-news .news-board {
  display: grid;
  gap: 1.6rem;
}

.page-news .rail-title {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--steel);
  margin: 0 0 .7rem;
}

.page-news .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

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

.page-news .filter-chip,
.page-news .more-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .45rem 1rem;
  border: 1px solid rgba(37, 230, 216, .34);
  border-radius: 999px;
  background: var(--news-card-soft);
  color: var(--mist);
  font-size: .875rem;
  font-weight: 500;
  line-height: 1.3;
  cursor: pointer;
  transition: background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}

.page-news .filter-chip:hover,
.page-news .more-toggle:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .filter-input:focus-visible + .filter-chip,
.page-news .filter-input:focus-visible + .more-toggle {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.page-news .filter-input:checked + .filter-chip {
  background: var(--magenta);
  border-color: var(--magenta);
  color: #FFF3F8;
}

.page-news .rail-note {
  margin: 1rem 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--steel);
  max-width: 34ch;
}

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

.page-news .entry-item {
  position: relative;
  padding: 1.15rem 0 1.15rem 1.35rem;
  border-top: var(--hair-mist);
}

.page-news .entry-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--news-path), rgba(37, 230, 216, 0));
}

.page-news .entry-item::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 1.7rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(37, 230, 216, .85);
}

.page-news .entry-item.tag-tools::after {
  background: var(--magenta);
  box-shadow: 0 0 10px rgba(255, 61, 139, .85);
}

.page-news .entry-item.tag-series::after {
  background: var(--gold);
  box-shadow: 0 0 10px rgba(255, 201, 107, .85);
}

.page-news .entry-link {
  display: grid;
  gap: .55rem;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .75rem;
}

.page-news .entry-ver {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-news .entry-item:hover .entry-ver {
  color: var(--cyan);
}

.page-news .entry-body {
  display: grid;
  gap: .45rem;
}

.page-news .entry-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .entry-desc {
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .15rem;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: .18rem .55rem;
  border-radius: 999px;
  border: 1px solid rgba(143, 166, 178, .32);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--steel);
}

.page-news .tag--status {
  border-color: rgba(255, 61, 139, .55);
  color: #FFB3CE;
}

.page-news .entry-more {
  justify-self: start;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(90, 169, 255, .35);
  padding-bottom: 1px;
}

.page-news .entry-more:hover,
.page-news .entry-more:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .entry-footer {
  list-style: none;
  padding-top: 1.1rem;
}

.page-news .more-toggle {
  border-style: dashed;
  border-color: rgba(37, 230, 216, .5);
  color: var(--cyan);
}

.page-news .entry-item--extra {
  display: none;
}

.page-news .news-board:has(#nf-more:checked) .entry-item--extra {
  display: block;
}

.page-news .news-board:has(#nf-versions:checked) .entry-item:not(.tag-versions),
.page-news .news-board:has(#nf-tools:checked) .entry-item:not(.tag-tools),
.page-news .news-board:has(#nf-series:checked) .entry-item:not(.tag-series),
.page-news .news-board:has(#nf-records:checked) .entry-item:not(.tag-records) {
  display: none;
}

/* ---------- 版本迭代 ---------- */
.page-news .news-versions {
  border-top: var(--hair-mist);
}

.page-news .versions-grid {
  display: grid;
  gap: 2rem;
}

.page-news .version-timeline {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
  counter-reset: vstep;
}

.page-news .version-item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding: 1rem 1.05rem;
  background: var(--news-card);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-news .version-item--magenta {
  border-left-color: var(--magenta);
}

.page-news .version-item--gold {
  border-left-color: var(--gold);
}

.page-news .version-no {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-news .version-item h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--mist);
  margin: 0 0 .35rem;
}

.page-news .version-item p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .versions-figure,
.page-news .season-figure,
.page-news .series-figure {
  overflow: hidden;
  border-radius: var(--radius);
  border: var(--hair-mist);
  background: var(--ink-800);
}

.page-news .versions-figure img,
.page-news .season-figure img,
.page-news .series-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .versions-figure figcaption,
.page-news .season-figure figcaption,
.page-news .series-figure figcaption {
  padding: .7rem .95rem;
  font-size: .75rem;
  line-height: 1.6;
  color: var(--steel);
  border-top: var(--hair-mist);
}

/* ---------- 季度工具 ---------- */
.page-news .news-season {
  background: linear-gradient(180deg, rgba(13, 34, 51, .72) 0%, rgba(7, 19, 31, 0) 100%);
}

.page-news .season-grid {
  display: grid;
  gap: 2rem;
}

.page-news .season-groups {
  list-style: none;
  margin: 1.5rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-news .season-groups li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: baseline;
  gap: .7rem;
  padding: .7rem .9rem;
  background: var(--news-card-soft);
  border: var(--hair-mist);
  border-radius: var(--radius-sm);
}

.page-news .season-count {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
}

.page-news .season-name {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--mist);
}

.page-news .season-note {
  grid-column: 2;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  border-top: var(--hair-cyan);
}

.page-news .series-head {
  display: grid;
  gap: 1.6rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.2rem);
}

.page-news .series-rail {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: .5rem var(--gutter) 1.4rem;
}

.page-news .series-rail:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: -4px;
}

.page-news .series-track {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .series-card {
  flex: 0 0 min(82vw, 360px);
  scroll-snap-align: start;
  display: grid;
  gap: .55rem;
  align-content: start;
  padding: 1.2rem 1.15rem 1.3rem;
  background: var(--news-card);
  border: var(--hair-mist);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-sm);
}

.page-news .series-card:nth-child(2) {
  border-top-color: var(--magenta);
}

.page-news .series-card:nth-child(3) {
  border-top-color: var(--gold);
}

.page-news .series-no {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .09em;
  color: var(--gold);
}

.page-news .series-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--mist);
  margin: .1rem 0 .1rem;
}

.page-news .series-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .series-link {
  justify-self: start;
  margin-top: .3rem;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(90, 169, 255, .35);
  padding-bottom: 1px;
}

.page-news .series-link:hover,
.page-news .series-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  background: rgba(13, 34, 51, .55);
  border-top: var(--hair-mist);
}

.page-news .cadence-grid {
  display: grid;
  gap: 1.6rem;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .8rem;
  align-items: start;
  padding-bottom: .9rem;
  border-bottom: var(--hair-mist);
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-news .cadence-list .coord {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .18rem;
}

.page-news .cadence-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .news-rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-news .entry-link {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.1rem;
    align-items: start;
  }

  .page-news .entry-meta {
    flex-direction: column;
    gap: .2rem;
  }

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

  .page-news .cadence-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.4rem;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2.5rem;
    margin-top: 2.2rem;
  }

  .page-news .news-hero__issue {
    align-items: flex-end;
    padding-bottom: .6rem;
  }

  .page-news .news-board {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 2.6rem;
    align-items: start;
  }

  .page-news .news-board__rail {
    position: sticky;
    top: calc(var(--header-h) + 1.6rem);
  }

  .page-news .filter-row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .versions-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .season-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 3rem;
    align-items: center;
  }

  .page-news .series-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 2.6rem;
    align-items: end;
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 2.4rem 3rem;
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .more-toggle,
  .page-news .entry-ver {
    transition: none;
  }
}