.page-news {
  --n-max: var(--wrap-wide);
  --n-pad: 1.25rem;
  --n-rail: 200px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-news .n-wrap {
  width: 100%;
  max-width: var(--n-max);
  margin-inline: auto;
  padding-inline: var(--n-pad);
}

/* ---------- 面包屑 ---------- */
.page-news .n-crumbs {
  padding-block: 1rem .5rem;
  font-size: .8125rem;
  letter-spacing: .04em;
}
.page-news .n-crumbs a { color: var(--warm); text-decoration: none; }
.page-news .n-crumbs a:hover { color: var(--gold-bright); }
.page-news .n-crumbs [aria-current="page"] { color: var(--gold); }

/* ---------- 首屏 ---------- */
.page-news .news-mast {
  position: relative;
  overflow: hidden;
  padding-block: 1.5rem 2.75rem;
  border-bottom: 1px solid var(--line-gold-soft);
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(166,124,46,.10) 0%, rgba(14,14,12,0) 58%),
    var(--ink);
}
.page-news .news-mast__ghost {
  position: absolute;
  right: -.06em;
  top: -.24em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(8rem, 24vw, 18rem);
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(166,124,46,.075);
  pointer-events: none;
  user-select: none;
}
.page-news .news-mast__grid {
  position: relative;
  display: grid;
  gap: 2rem;
}
.page-news .news-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: .7rem 0 1rem;
  color: var(--paper);
}
.page-news .news-lead {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--paper-2);
  margin: 0;
  max-width: 44ch;
}
.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2.25rem;
  margin: 1.75rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line-paper);
}
.page-news .news-stat { margin: 0; }
.page-news .news-stat__label {
  display: block;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--warm);
  order: 2;
}
.page-news .news-stat__num {
  display: block;
  font-size: 1.625rem;
  line-height: 1.1;
  color: var(--gold-bright);
  margin-bottom: .35rem;
}
.page-news .news-mast__fig { margin: 0; }

/* ---------- 图片框（页面级） ---------- */
.page-news .media-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-gold);
  background: var(--ink-2);
  overflow: hidden;
}
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .media-frame .media-caption {
  display: block;
  padding: .6rem .85rem;
  font-size: .75rem;
  line-height: 1.6;
  color: var(--warm);
  background: var(--ink);
  border-top: 1px solid var(--line-gold-soft);
}

/* ---------- 主体：左目录 + 右条目 ---------- */
.page-news .news-body {
  display: grid;
  gap: 2.25rem;
  padding-block: 2.75rem 4rem;
}
.page-news .news-rail {
  border-left: 1px solid var(--line-gold-soft);
  padding-left: .9rem;
}
.page-news .rail-title { margin: 0 0 .75rem; }
.page-news .rail-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.page-news .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .42rem .7rem;
  border: 1px solid var(--line-gold-soft);
  color: var(--paper-2);
  text-decoration: none;
  font-size: .8125rem;
  letter-spacing: .03em;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-news .rail-link:hover {
  color: var(--gold-bright);
  border-color: var(--gold);
  background: rgba(166,124,46,.08);
}
.page-news .rail-idx {
  font-size: .6875rem;
  color: var(--gold);
}
.page-news .rail-foot {
  margin: 1rem 0 0;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--warm);
}

/* ---------- 章节 ---------- */
.page-news .news-sec + .news-sec { margin-top: 3.5rem; }
.page-news .sec-head { margin-bottom: 1.4rem; }
.page-news .sec-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  line-height: 1.2;
  margin: .55rem 0 .8rem;
  color: var(--paper);
}
.page-news .sec-desc {
  margin: 0;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper-2);
}
.page-news .sec-fig { margin-bottom: 1.75rem; }

/* ---------- 分类筛选 ---------- */
.page-news .nf-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-news .nf-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-paper);
}
.page-news .nf-bar label {
  font-family: var(--font-sans);
  font-size: .8125rem;
  letter-spacing: .04em;
  padding: .45rem .9rem;
  border: 1px solid var(--line-gold-soft);
  color: var(--paper-2);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.page-news .nf-bar label:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
}
.page-news #nf-all:checked ~ .nf-bar label[for="nf-all"],
.page-news #nf-version:checked ~ .nf-bar label[for="nf-version"],
.page-news #nf-archive:checked ~ .nf-bar label[for="nf-archive"],
.page-news #nf-adapter:checked ~ .nf-bar label[for="nf-adapter"],
.page-news #nf-entry:checked ~ .nf-bar label[for="nf-entry"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.page-news .nf-radio:focus-visible ~ .nf-bar {
  outline: 2px solid var(--gold-bright);
  outline-offset: 4px;
}
.page-news #nf-version:checked ~ .nf-list .nf-item:not(.nf-item--version),
.page-news #nf-archive:checked ~ .nf-list .nf-item:not(.nf-item--archive),
.page-news #nf-adapter:checked ~ .nf-list .nf-item:not(.nf-item--adapter),
.page-news #nf-entry:checked ~ .nf-list .nf-item:not(.nf-item--entry) {
  display: none;
}

/* ---------- 条目 ---------- */
.page-news .nf-list {
  display: grid;
  gap: .75rem;
}
.page-news .nf-item {
  border: 1px solid var(--line-gold-soft);
  border-left: 2px solid var(--gold-deep);
  background: var(--ink-2);
  padding: 1.05rem 1.15rem 1.15rem;
  transition: border-color .18s ease, background-color .18s ease;
}
.page-news .nf-item:hover {
  border-color: var(--line-gold);
  background: var(--rock);
}
.page-news .nf-item--version { border-left-color: var(--gold); }
.page-news .nf-item--archive { border-left-color: var(--paper-2); }
.page-news .nf-item--adapter { border-left-color: var(--gold-bright); }
.page-news .nf-item--entry { border-left-color: var(--warm); }

.page-news .nf-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.page-news .ntag {
  display: inline-block;
  font-size: .6875rem;
  letter-spacing: .08em;
  padding: .22rem .55rem;
  white-space: nowrap;
}
.page-news .ntag--version { border: 1px solid var(--gold); color: var(--gold-bright); }
.page-news .ntag--archive { background: var(--paper-2); border: 1px solid var(--paper-2); color: var(--ink); }
.page-news .ntag--adapter { border: 1px dashed var(--gold-bright); color: var(--gold-bright); }
.page-news .ntag--entry { border: 1px solid var(--warm); color: var(--paper-2); }

.page-news .nf-time {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--warm);
  letter-spacing: .02em;
}
.page-news .nf-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--paper);
  margin: .7rem 0 .5rem;
}
.page-news .nf-sum {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper-2);
}

.page-news .nf-more { margin-top: .7rem; }
.page-news .nf-more summary {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  list-style: none;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--gold-bright);
}
.page-news .nf-more summary::-webkit-details-marker { display: none; }
.page-news .nf-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--gold);
}
.page-news .nf-more[open] summary::before { content: "−"; }
.page-news .nf-more p {
  margin: .7rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--gold-deep);
  font-size: .90625rem;
  line-height: 1.85;
  color: var(--paper-2);
}

/* ---------- 归档索引 ---------- */
.page-news .arc-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-gold-soft);
  border: 1px solid var(--line-gold-soft);
}
.page-news .arc {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1rem .9rem 1.1rem;
  background: var(--ink-2);
  transition: background-color .18s ease;
}
.page-news .arc:hover { background: var(--rock); }
.page-news .arc-no {
  font-size: 1.75rem;
  line-height: 1;
  color: var(--gold);
}
.page-news .arc-q {
  font-size: .8125rem;
  color: var(--paper-2);
  letter-spacing: .03em;
}
.page-news .arc-note {
  font-size: .75rem;
  line-height: 1.6;
  color: var(--warm);
}
.page-news .arc--current {
  grid-column: span 2;
  background: var(--ink);
  box-shadow: inset 3px 0 0 var(--cinnabar);
}
.page-news .arc--current .arc-no { color: var(--cinnabar-soft); }
.page-news .arc--current .arc-note { color: var(--paper-2); }

/* ---------- 更新节奏 ---------- */
.page-news .cad-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}
.page-news .cad-card {
  padding-top: 1.1rem;
  border-top: 2px solid var(--gold);
  background: linear-gradient(180deg, rgba(166,124,46,.09) 0%, rgba(166,124,46,0) 62%);
}
.page-news .cad-freq {
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--gold-bright);
}
.page-news .cad-card h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--paper);
  margin: .6rem 0 .5rem;
}
.page-news .cad-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper-2);
}
.page-news .news-note {
  margin-top: 1.5rem;
  padding: .95rem 1.1rem;
  background: var(--ink-2);
  border-left: 3px solid var(--cinnabar);
}
.page-news .news-note p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--paper-2);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-news { --n-pad: 2rem; }
  .page-news .news-mast { padding-block: 2.5rem 3.5rem; }
  .page-news .nf-item { padding: 1.25rem 1.4rem 1.35rem; }
  .page-news .arc-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-news .cad-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-news .nf-list { gap: .9rem; }
}

@media (min-width: 1000px) {
  .page-news { --n-pad: 2.5rem; }
  .page-news .news-mast__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 3rem;
  }
  .page-news .news-body {
    grid-template-columns: var(--n-rail) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }
  .page-news .news-rail {
    position: sticky;
    top: calc(var(--head-h) + 1.5rem);
    padding-left: 1rem;
  }
  .page-news .rail-nav { flex-direction: column; gap: .125rem; }
  .page-news .rail-link {
    display: flex;
    border: none;
    border-bottom: 1px solid transparent;
    padding: .5rem 0;
    background: none;
  }
  .page-news .rail-link:hover {
    background: none;
    border-bottom-color: var(--line-gold);
  }
  .page-news .nf-list { gap: 1rem; }
}

@media (min-width: 1180px) {
  .page-news .arc-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .page-news .arc--current { grid-column: span 2; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nf-item,
  .page-news .arc,
  .page-news .rail-link,
  .page-news .nf-bar label {
    transition: none;
  }
}
</main>