.page-news {
  --news-pad: clamp(1rem, 2.6vw, 1.75rem);
  --news-edge: clamp(3.2rem, 8vw, 4.6rem);
}

/* ============ 页首 · 值班日志刊头 ============ */
.page-news .ledger-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid-line);
  background:
    linear-gradient(180deg, var(--indigo) 0%, var(--sea) 88%);
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(2.25rem, 6vw, 4rem);
}

.page-news .ledger-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .32;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 22% 0%, #000 12%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 22% 0%, #000 12%, transparent 78%);
}

.page-news .hero-inner {
  position: relative;
  z-index: 2;
}

.page-news .hero-watermark {
  position: absolute;
  right: -0.06em;
  bottom: -0.26em;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(8rem, 27vw, 22rem);
  line-height: .78;
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--grid-line);
  pointer-events: none;
  user-select: none;
}

.page-news .ledger-hero .crumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .ledger-hero h1 {
  margin: .55rem 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 6.4vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .ledger-hero .lead {
  margin: clamp(1rem, 2.6vw, 1.5rem) 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.82;
  color: rgba(242, 246, 247, .8);
}

.page-news .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 2.4rem;
  margin: clamp(1.75rem, 4vw, 2.6rem) 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--old);
}

.page-news .hero-chips li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
}

.page-news .hero-chips .num {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

/* ============ 本期要点 ============ */
.page-news .issue-points {
  border-bottom: 1px solid var(--grid-line);
}

.page-news .points-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4.5vw, 3.25rem);
}

.page-news .points-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pt;
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-news .points-list li {
  position: relative;
  counter-increment: pt;
  background: var(--sea);
  padding: var(--news-pad) var(--news-pad) var(--news-pad) var(--news-edge);
}

.page-news .points-list li::before {
  content: counter(pt, decimal-leading-zero);
  position: absolute;
  left: var(--news-pad);
  top: var(--news-pad);
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-news .points-list li:hover {
  background: var(--indigo);
}

.page-news .point-lead {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.08rem, 2.2vw, 1.35rem);
  line-height: 1.4;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-news .point-sub {
  margin: .6rem 0 0;
  font-size: .94rem;
  line-height: 1.78;
  color: rgba(242, 246, 247, .68);
}

.page-news .points-figure {
  margin: 0;
  border: 1px solid var(--grid-line);
  background: var(--graphite);
}

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

/* ============ 阶段线索 ============ */
.page-news .stage-section {
  border-bottom: 1px solid var(--grid-line);
}

.page-news .stage-track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-news .stage-node {
  position: relative;
  display: grid;
  gap: .35rem;
  background: var(--sea);
  padding: 1.25rem clamp(.9rem, 2.2vw, 1.5rem) 1.6rem;
}

.page-news .stage-node__issue {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--old);
}

.page-news .stage-node__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .01em;
  color: rgba(242, 246, 247, .82);
}

.page-news .stage-node__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--old);
}

.page-news .stage-node.is-current {
  background: var(--graphite);
}

.page-news .stage-node.is-current .stage-node__issue {
  color: var(--cyan);
}

.page-news .stage-node.is-current .stage-node__label {
  color: var(--amber);
}

.page-news .stage-node.is-current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--amber);
}

/* ============ 条目区 ============ */
.page-news .entry-zone__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-news .issue-rail {
  display: none;
}

.page-news .issue-rail__title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--old);
}

.page-news .issue-rail ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .2rem;
}

.page-news .issue-rail a {
  display: block;
  padding: .35rem 0 .35rem .8rem;
  border-left: 2px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--old);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .issue-rail a:hover,
.page-news .issue-rail a.is-active {
  border-left-color: var(--cyan);
  color: var(--cyan);
}

/* 分类开关 */
.page-news .cat-switch {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--grid-line);
}

.page-news .cat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .cat-chip {
  cursor: pointer;
  padding: .42rem .85rem;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-tag);
  background: transparent;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: rgba(242, 246, 247, .85);
  user-select: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-news .cat-chip:hover {
  border-color: var(--cyan-mist);
  color: var(--cyan-mist);
}

.page-news .cat-radio:checked + .cat-chip {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--sea);
}

.page-news .cat-radio:focus-visible + .cat-chip {
  outline: 2px solid var(--cyan-mist);
  outline-offset: 2px;
}

.page-news .entry-list {
  flex: 0 0 100%;
  width: 100%;
}

/* 期号分组 */
.page-news .issue-group {
  scroll-margin-top: 9rem;
}

.page-news .issue-divider {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  padding: clamp(1.4rem, 3.5vw, 2rem) 0 .8rem;
  border-bottom: 1px solid var(--grid-line);
}

.page-news .issue-group:first-child .issue-divider {
  padding-top: 0;
}

.page-news .issue-divider__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-news .issue-divider__name {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--old);
}

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

/* 单条条目 */
.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
  padding: clamp(1.2rem, 3vw, 1.9rem) 0 clamp(1.2rem, 3vw, 1.9rem) clamp(0rem, 1.6vw, 1.3rem);
  border-bottom: 1px solid var(--grid-line);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(1.2rem, 3vw, 1.9rem);
  bottom: clamp(1.2rem, 3vw, 1.9rem);
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .26s ease;
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  transform: scaleY(1);
}

.page-news .entry__title {
  margin: 0 0 .55rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.5vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -.008em;
  color: var(--white);
}

.page-news .entry__result {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(242, 246, 247, .8);
}

.page-news .entry__figure {
  margin: 1rem 0 0;
  max-width: 480px;
  border: 1px solid var(--grid-line);
  background: var(--indigo);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .entry__more {
  margin-top: .9rem;
}

.page-news .entry__more summary {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--cyan-mist);
}

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

.page-news .entry__more summary::after {
  content: "+";
  font-size: .95rem;
  line-height: 1;
}

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

.page-news .entry__more summary:hover {
  color: var(--cyan);
}

.page-news .entry__more p {
  margin: .7rem 0 0;
  padding-left: .95rem;
  max-width: 60ch;
  border-left: 1px solid var(--grid-line);
  font-size: .95rem;
  line-height: 1.82;
  color: rgba(242, 246, 247, .68);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
}

.page-news .entry__meta .tag {
  padding: .25rem .6rem;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-tag);
  background: var(--cyan-06);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .07em;
  color: var(--cyan-mist);
  white-space: nowrap;
  transition: border-color .18s ease;
}

.page-news .entry:hover .entry__meta .tag {
  border-color: var(--cyan);
}

.page-news .entry__phase {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--old);
}

/* 分类筛选：隐藏不匹配的条目与空分组 */
.page-news #cat-version:checked ~ .entry-list .entry:not(.is-version),
.page-news #cat-device:checked ~ .entry-list .entry:not(.is-device),
.page-news #cat-entry:checked ~ .entry-list .entry:not(.is-entry),
.page-news #cat-record:checked ~ .entry-list .entry:not(.is-record) {
  display: none;
}

.page-news #cat-version:checked ~ .entry-list .issue-group:not(:has(.entry.is-version)),
.page-news #cat-device:checked ~ .entry-list .issue-group:not(:has(.entry.is-device)),
.page-news #cat-entry:checked ~ .entry-list .issue-group:not(:has(.entry.is-entry)),
.page-news #cat-record:checked ~ .entry-list .issue-group:not(:has(.entry.is-record)) {
  display: none;
}

/* ============ 回看与下一步 ============ */
.page-news .replay-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-news .replay-card {
  display: block;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--sea);
  border: 0;
  border-radius: 0;
  text-decoration: none;
  transition: background .2s ease;
}

.page-news .replay-card:hover {
  background: var(--indigo);
}

.page-news .replay-card .tag {
  display: inline-block;
  margin-bottom: .8rem;
}

.page-news .replay-card h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  line-height: 1.32;
  color: var(--white);
}

.page-news .replay-card p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: rgba(242, 246, 247, .7);
}

.page-news .replay-note {
  margin: clamp(1.25rem, 3vw, 1.9rem) 0 0;
  padding-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px solid var(--grid-line);
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(242, 246, 247, .7);
}

.page-news .replay-note a {
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 1px;
}

.page-news .replay-note a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .stage-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-news .entry {
    grid-template-columns: minmax(0, 1fr) 128px;
    gap: clamp(1rem, 3vw, 2.4rem);
    align-items: start;
  }

  .page-news .entry__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: .6rem;
    padding-top: .3rem;
  }
}

@media (min-width: 900px) {
  .page-news .points-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
  }

  .page-news .replay-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-news .entry-zone__inner {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .page-news .issue-rail {
    display: block;
    position: sticky;
    top: 8rem;
    align-self: start;
  }

  .page-news .ledger-hero h1 {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry::before,
  .page-news .cat-chip,
  .page-news .replay-card,
  .page-news .issue-rail a {
    transition: none;
  }

  .page-news .points-list li:hover {
    background: var(--sea);
  }
}