.page-news {
  --news-rule: 1px solid var(--line);
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-news .news-shell {
  padding-top: 1.5rem;
}

/* 面包屑 */
.page-news .breadcrumbs {
  font-size: .78rem;
  letter-spacing: .02em;
}
.page-news .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  color: var(--mist);
}
.page-news .breadcrumbs-list a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-news .breadcrumbs-list a:hover {
  color: var(--gold-soft);
}
.page-news .breadcrumbs-list > li + li::before {
  content: "/";
  margin: 0 .45rem;
  color: var(--line);
}

/* 首屏 */
.page-news .news-hero {
  position: relative;
  margin-top: 1.5rem;
  padding: 1.5rem 0 clamp(1.75rem, 4vw, 2.75rem);
  border-bottom: var(--news-rule);
  background-image: repeating-linear-gradient(90deg, rgba(30, 58, 82, .45) 0 1px, transparent 1px 96px);
}
.page-news .news-hero .eyebrow {
  display: inline-block;
  margin: 0;
  padding: .3rem .75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--celadon);
}
.page-news .news-hero .display {
  margin: .9rem 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 3.35rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-news .news-hero .lede {
  margin: 0;
  max-width: 46rem;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--paper);
  opacity: .88;
}

/* 通用章节 */
.page-news .section {
  padding-top: clamp(2.25rem, 5.5vw, 3.5rem);
}
.page-news .section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .6rem .75rem;
  margin-bottom: 1.1rem;
}
.page-news .section-index {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--gold);
}
.page-news .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-news .prose {
  margin: 0 0 .9rem;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(242, 239, 233, .85);
}

/* 本期摘要 */
.page-news .brief {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}
.page-news .brief-grid {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.15rem, 3.5vw, 2.2rem);
  background: var(--ink-2);
  border-radius: var(--radius-lg);
}
.page-news .brief-jump {
  margin: .25rem 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--mist);
}
.page-news .brief-jump a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 201, 122, .4);
}
.page-news .brief-jump a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 媒体 */
.page-news .media {
  margin: 0;
}
.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}
.page-news .media-caption {
  display: block;
  padding-top: .55rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--mist);
}

/* 锚点 */
.page-news .feed-anchor {
  display: block;
  height: 0;
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 96px);
}

/* 筛选条 */
.page-news .filter-bar {
  position: sticky;
  top: calc(var(--header-h) + 10px);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: .55rem;
  margin: 0 0 1.25rem;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(8, 20, 31, .94);
  backdrop-filter: blur(8px);
}
.page-news .filter-label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--mist);
}
.page-news .filter-list {
  display: flex;
  flex-wrap: nowrap;
  gap: .45rem;
  margin: 0;
  padding: 0 0 .15rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .36rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: .8rem;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-news .filter-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.page-news .filter-chip:hover {
  color: var(--paper);
  border-color: var(--gold-soft);
}
.page-news .chip--version { color: var(--gold-soft); }
.page-news .chip--structure { color: #B9A6E0; }
.page-news .chip--entry { color: var(--celadon); }
.page-news .chip--ops { color: #7FC9BF; }

.page-news .filter-chip[href="#tag-all"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
}
.page-news #tag-version:target ~ .filter-bar .filter-chip[href="#tag-all"],
.page-news #tag-structure:target ~ .filter-bar .filter-chip[href="#tag-all"],
.page-news #tag-entry:target ~ .filter-bar .filter-chip[href="#tag-all"],
.page-news #tag-ops:target ~ .filter-bar .filter-chip[href="#tag-all"] {
  background: transparent;
  border-color: var(--line);
  color: var(--mist);
  font-weight: 400;
}
.page-news #tag-version:target ~ .filter-bar .filter-chip[href="#tag-version"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
}
.page-news #tag-structure:target ~ .filter-bar .filter-chip[href="#tag-structure"] {
  background: var(--indigo);
  border-color: #4A3A70;
  color: var(--paper);
  font-weight: 600;
}
.page-news #tag-entry:target ~ .filter-bar .filter-chip[href="#tag-entry"] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink);
  font-weight: 600;
}
.page-news #tag-ops:target ~ .filter-bar .filter-chip[href="#tag-ops"] {
  background: var(--jade);
  border-color: var(--celadon);
  color: var(--paper);
  font-weight: 600;
}

/* 筛选生效 */
.page-news #tag-version:target ~ .feed-list .feed-item:not(.kind-version),
.page-news #tag-structure:target ~ .feed-list .feed-item:not(.kind-structure),
.page-news #tag-entry:target ~ .feed-list .feed-item:not(.kind-entry),
.page-news #tag-ops:target ~ .feed-list .feed-item:not(.kind-ops) {
  display: none;
}
.page-news #tag-version:target ~ .feed-list .feed-break,
.page-news #tag-structure:target ~ .feed-list .feed-break,
.page-news #tag-entry:target ~ .feed-list .feed-break,
.page-news #tag-ops:target ~ .feed-list .feed-break {
  display: none;
}

/* 标签 */
.page-news .ftag {
  display: inline-flex;
  align-items: center;
  padding: .24rem .62rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  white-space: nowrap;
}
.page-news .ftag--version {
  color: var(--gold-soft);
  background: rgba(201, 162, 39, .14);
  border-color: rgba(201, 162, 39, .4);
}
.page-news .ftag--structure {
  color: var(--paper);
  background: var(--indigo);
  border-color: #4A3A70;
}
.page-news .ftag--entry {
  color: var(--celadon);
  background: rgba(95, 191, 160, .14);
  border-color: rgba(95, 191, 160, .4);
}
.page-news .ftag--ops {
  color: var(--paper);
  background: var(--jade);
  border-color: rgba(95, 191, 160, .45);
}

/* 标签说明 */
.page-news .feed-legend {
  display: grid;
  gap: 1.1rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed var(--line);
}
.page-news .legend-media {
  max-width: 340px;
}
.page-news .feed-legend-list {
  display: grid;
  gap: .1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .feed-legend-list li {
  display: grid;
  gap: .45rem;
  padding: .55rem 0;
  border-bottom: 1px solid rgba(30, 58, 82, .55);
  font-size: .86rem;
  line-height: 1.7;
  color: var(--mist);
}
.page-news .feed-legend-list li:last-child {
  border-bottom: 0;
}

/* 条目列 */
.page-news .feed-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}
.page-news .feed-item {
  display: grid;
  gap: .55rem;
  padding: 1.15rem 0 1.3rem;
  border-bottom: var(--news-rule);
  scroll-margin-top: calc(var(--header-h) + 110px);
}
.page-news .feed-meta {
  display: flex;
  align-items: center;
  gap: .7rem;
}
.page-news .index-num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--mist);
}
.page-news .feed-time {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .feed-details > summary {
  position: relative;
  display: grid;
  gap: .4rem;
  padding-right: 1.75rem;
  list-style: none;
  cursor: pointer;
}
.page-news .feed-details > summary::-webkit-details-marker {
  display: none;
}
.page-news .feed-details > summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: .05rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--gold);
  transition: color var(--dur) var(--ease);
}
.page-news .feed-details[open] > summary::after {
  content: "–";
}
.page-news .feed-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}
.page-news .feed-details > summary:hover .feed-title {
  color: var(--gold-soft);
}
.page-news .feed-text {
  display: block;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(242, 239, 233, .78);
}
.page-news .feed-more {
  margin: .85rem 0 0;
  padding: .1rem 0 .1rem 1rem;
  border-left: 2px solid var(--line);
}
.page-news .feed-more p {
  margin: 0 0 .55rem;
  max-width: 58ch;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-news .feed-link {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 201, 122, .45);
}
.page-news .feed-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 列表中段呼吸点 */
.page-news .feed-break {
  padding: 1.35rem 0;
  border-bottom: var(--news-rule);
  list-style: none;
}

/* 专题 */
.page-news .series-intro {
  margin-top: -.35rem;
}
.page-news .series-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}
.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(1.15rem, 3vw, 1.85rem);
  border-radius: var(--radius-lg);
}
.page-news .series-card--notes {
  background: var(--jade);
}
.page-news .series-card--log {
  background: var(--indigo);
}
.page-news .series-kicker {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--gold-soft);
}
.page-news .series-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-news .series-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: rgba(242, 239, 233, .86);
}
.page-news .series-link {
  margin-top: auto;
  padding-top: .35rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 201, 122, .45);
  align-self: flex-start;
}
.page-news .series-link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 归档 */
.page-news .archive-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.25rem;
  align-items: start;
}
.page-news .rhythm-list {
  display: grid;
  gap: .1rem;
  margin: .9rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 34rem;
}
.page-news .rhythm-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem;
  padding: .6rem 0;
  border-bottom: 1px solid rgba(30, 58, 82, .7);
}
.page-news .rhythm-key {
  font-size: .88rem;
  color: var(--paper);
}
.page-news .rhythm-val {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--celadon);
}
.page-news .archive-media {
  max-width: 380px;
}

/* 收尾 */
.page-news .news-cta {
  margin-top: clamp(2.25rem, 5.5vw, 3.75rem);
  padding: clamp(1.25rem, 3.6vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
}
.page-news .cta-title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.8vw, 1.5rem);
  font-weight: 700;
  color: var(--paper);
}
.page-news .cta-text {
  margin: 0 0 1.1rem;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--mist);
}
.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-news .filter-bar {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: .6rem 1rem;
    border-radius: var(--radius-pill);
    padding: .6rem .75rem .6rem 1.1rem;
  }
  .page-news .filter-list {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-news .feed-legend-list li {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: .8rem;
  }
}

@media (min-width: 860px) {
  .page-news .brief-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 2rem;
    align-items: center;
  }
  .page-news .feed-legend {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: 1.75rem;
  }
  .page-news .feed-item {
    grid-template-columns: 138px minmax(0, 1fr) 92px;
    gap: 1.5rem;
    align-items: start;
    padding: 1.55rem 0;
  }
  .page-news .feed-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: .55rem;
    padding-top: .1rem;
  }
  .page-news .feed-time {
    text-align: right;
    padding-top: .25rem;
  }
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 2.5rem;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
    animation: none !important;
  }
}
</main>