/* ===== 动态观察 page-news ===== */
.page-news {
  --news-rule: rgba(201, 162, 39, .3);
  --news-rule-soft: rgba(42, 95, 80, .5);
  --news-rule-faint: rgba(42, 95, 80, .28);
  --news-pad: clamp(38px, 7vw, 88px);
  background: var(--bg);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(26px, 4.5vw, 48px);
  background:
    radial-gradient(120% 88% at 84% 0%, rgba(60, 140, 114, .2), transparent 62%),
    linear-gradient(180deg, rgba(23, 69, 58, .5), rgba(11, 33, 28, 0) 82%),
    var(--bg);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(42%, 440px);
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-news .news-masthead-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .news-masthead-main h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.6vw, 52px);
  line-height: 1.24;
  letter-spacing: .02em;
}

.page-news .news-masthead-main .lede {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .news-masthead-figures {
  display: grid;
  gap: 4px;
  padding-left: clamp(14px, 2.6vw, 26px);
  border-left: 1px solid var(--news-rule-faint);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--news-rule-faint);
}

.page-news .news-stat:last-child {
  border-bottom: 0;
}

.page-news .news-stat .readout--lg {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--gold-hi);
}

.page-news .news-stat-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-section {
  position: relative;
  padding: var(--news-pad) 0;
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .news-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.page-news .news-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.32;
  letter-spacing: .015em;
}

.page-news .news-head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 当期专题 ---------- */
.page-news .news-feature-grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
}

.page-news .news-feature-figure {
  margin: 0;
  padding: 10px;
  background: var(--bg-2);
  border: 1px solid var(--news-rule-faint);
  box-shadow:
    8px 8px 0 -1px var(--deep),
    8px 8px 0 0 var(--news-rule-faint);
}

.page-news .news-feature-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .news-feature-figure figcaption {
  padding: 10px 2px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .news-feature-body h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.34;
  letter-spacing: .015em;
}

.page-news .news-feature-body > p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .news-feature-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-feature-points li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--news-rule-faint);
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .news-feature-points li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-news .news-feature-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

.page-news .news-feature-links a {
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
  background: rgba(23, 69, 58, .38);
  border: 1px solid var(--news-rule);
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.page-news .news-feature-links a:hover,
.page-news .news-feature-links a:focus-visible {
  color: var(--deep);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 版本时间线 ---------- */
.page-news .news-timeline-banner {
  margin: 0 0 clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--news-rule-faint);
  border-bottom: 1px solid var(--news-rule-faint);
  overflow: hidden;
}

.page-news .news-timeline-banner img {
  display: block;
  width: 100%;
  height: clamp(104px, 17vw, 186px);
  object-fit: cover;
  opacity: .88;
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(248px, 76vw);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .news-timeline::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-timeline::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-news .news-tl-node {
  scroll-snap-align: start;
  padding: 18px 18px 22px;
  background: linear-gradient(180deg, rgba(23, 69, 58, .72), rgba(16, 49, 42, .92));
  border: 1px solid var(--news-rule-faint);
  border-top: 2px solid var(--gold);
}

.page-news .news-tl-ver {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--gold-hi);
}

.page-news .news-tl-year {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-news .news-tl-node h3 {
  margin: 14px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-tl-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 条目清单 ---------- */
.page-news .news-rule-strip {
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--news-rule-faint);
  overflow: hidden;
}

.page-news .news-rule-strip img {
  display: block;
  width: 100%;
  height: clamp(84px, 13vw, 148px);
  object-fit: cover;
}

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

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 2px 12px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--news-rule-faint);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .45s ease;
}

.page-news .news-item:hover::after,
.page-news .news-item:focus-within::after {
  transform: scaleX(1);
}

.page-news .news-item-no {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .news-item-body h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.52;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-news .news-item-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 13px;
}

.page-news .news-item-when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .tag--alert {
  color: var(--coral);
  background: rgba(255, 122, 89, .1);
  border-color: rgba(255, 122, 89, .5);
}

/* ---------- 栏目分类 ---------- */
.page-news .news-cat-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--news-rule-faint);
  overflow: hidden;
}

.page-news .news-cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  opacity: .8;
}

.page-news .news-cat-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-news .news-cat {
  padding: 20px 20px 22px;
  background: var(--bg-2);
  border: 1px solid var(--news-rule-faint);
  border-left: 2px solid var(--line);
}

.page-news .news-cat h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-hi);
}

.page-news .news-cat p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}

.page-news .news-guide {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 2.6vw, 26px);
  background: rgba(5, 19, 15, .55);
  border: 1px dashed var(--news-rule);
}

.page-news .news-guide p {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-guide a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-soft);
}

.page-news .news-guide a:hover,
.page-news .news-guide a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 高频回看 ---------- */
.page-news .news-popular {
  background: linear-gradient(180deg, rgba(5, 19, 15, .6), rgba(11, 33, 28, 0));
}

.page-news .news-popular-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-news .news-popular-list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 8px 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px dashed var(--news-rule-faint);
}

.page-news .news-pop-rank {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--coral);
}

.page-news .news-popular-list a {
  font-size: 15.5px;
  line-height: 1.66;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}

.page-news .news-popular-list a:hover,
.page-news .news-popular-list a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-soft);
}

.page-news .news-pop-when {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 结尾指引 ---------- */
.page-news .news-cta-inner {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--news-rule);
  background:
    linear-gradient(120deg, rgba(23, 69, 58, .78), rgba(5, 19, 15, .92));
}

.page-news .news-cta-text {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-news .news-masthead-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    border-left: 0;
    padding-left: 0;
  }

  .page-news .news-stat {
    border-bottom: 0;
    border-left: 1px solid var(--news-rule-faint);
    padding: 6px 0 6px 14px;
  }

  .page-news .news-popular-list li {
    grid-template-columns: 2.4rem minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-pop-when {
    grid-column: 3;
  }
}

@media (min-width: 760px) {
  .page-news .news-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-cat:nth-child(even) {
    margin-top: 28px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(230px, .8fr);
    align-items: end;
  }

  .page-news .news-feature-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 4.5vw, 58px);
  }

  .page-news .news-feature-figure {
    box-shadow:
      14px 14px 0 -1px var(--deep),
      14px 14px 0 0 var(--news-rule-faint);
  }

  .page-news .news-item {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 2px 20px;
  }

  .page-news .news-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-timeline {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-cat:nth-child(even) {
    margin-top: 0;
  }

  .page-news .news-cat:nth-child(2) {
    margin-top: 32px;
  }

  .page-news .news-cat:nth-child(4) {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::after,
  .page-news .news-feature-links a,
  .page-news .news-popular-list a {
    transition: none;
  }
}