.page-news {
  --news-rail: 264px;
  --news-radius: 3px;
  background: var(--paper);
  color: var(--ink);
}

/* 面包屑 */
.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-news . .breadcrumb-list a,
.page-news .breadcrumb-list a {
  color: var(--teal);
  text-decoration: none;
}
.page-news .breadcrumb-list a:hover,
.page-news .breadcrumb-list a:focus-visible {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 首屏封面 */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 22px);
  padding: clamp(26px, 5vw, 60px) 0 clamp(30px, 5vw, 66px);
  background: linear-gradient(150deg, #16233F 0%, #0F1A30 58%, #1C2E4F 100%);
  color: var(--paper);
}
.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--paper-14) 0 1px, transparent 1px 118px);
  opacity: 0.55;
  pointer-events: none;
}
.page-news .masthead-grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: end;
}
.page-news .masthead-copy h1 {
  margin: 0.34em 0 0.5em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-news .masthead-copy .u-lede {
  margin: 0 0 1.3em;
  max-width: 36em;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.9;
  color: var(--paper-72);
}
.page-news .masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 14px;
  border-top: 1px solid var(--paper-14);
}
.page-news .meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}
.page-news .meta-k {
  font-size: 11px;
  color: var(--paper-60);
  text-transform: uppercase;
}
.page-news .meta-v {
  font-size: 15px;
  color: var(--gold-soft);
}
.page-news .masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-news .masthead-actions .btn--outline {
  color: var(--paper);
  border-color: var(--paper-34);
}
.page-news .masthead-actions .btn--outline:hover,
.page-news .masthead-actions .btn--outline:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
}
.page-news .masthead-figure {
  margin: 0;
  border: 1px solid var(--paper-14);
}
.page-news .masthead-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}
.page-news .masthead-figure .media-frame__caption {
  color: var(--paper-60);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* 章节通用 */
.page-news .section {
  padding: clamp(38px, 6vw, 78px) 0;
}
.page-news .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-news .section-head h2 {
  margin: 0.18em 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.34rem, 3.4vw, 2.05rem);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--indigo);
}
.page-news .section-note {
  margin: 0;
  max-width: 26em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--mist);
}

/* 专题索引 */
.page-news .index-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}
.page-news .index-rail {
  padding: 16px 0 0;
  border-top: 2px solid var(--indigo);
}
.page-news .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--red);
  text-transform: uppercase;
}
.page-news .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .rail-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--indigo);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .rail-list a:hover,
.page-news .rail-list a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
  padding-left: 8px;
}
.page-news .rail-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-ink);
}
.page-news .rail-note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-news .rail-jump {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .rail-jump:hover,
.page-news .rail-jump:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}
.page-news .topic-list {
  display: grid;
  gap: 0;
}
.page-news .topic-block {
  display: flex;
  gap: 14px;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--line);
}
.page-news .topic-block:first-child {
  border-top: 1px solid var(--line);
}
.page-news .topic-no {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--red);
}
.page-news .topic-body h3 {
  margin: 0 0 6px;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--indigo);
  line-height: 1.45;
}
.page-news .topic-body p {
  margin: 0 0 8px;
  max-width: 42em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-news .topic-sign {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--teal);
}

/* 本期条目 */
.page-news .ledger {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
.page-news .ledger-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .ledger-item {
  padding: 16px 0 20px;
  border-top: 1px solid var(--line);
}
.page-news .ledger-item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-news .ledger-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-news .ledger-title {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 2.2vw, 1.16rem);
  font-weight: 800;
  line-height: 1.5;
}
.page-news .ledger-title a {
  color: var(--indigo);
  text-decoration: none;
  background-image: linear-gradient(var(--red), var(--red));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-news .ledger-item:hover .ledger-title a,
.page-news .ledger-title a:focus-visible {
  background-size: 100% 2px;
  color: var(--red);
}
.page-news .ledger-desc {
  margin: 0;
  max-width: 44em;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--ink);
}
.page-news .ledger-more {
  margin-top: 12px;
}
.page-news .ledger-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  transition: color var(--dur) var(--ease);
}
.page-news .ledger-more summary::-webkit-details-marker {
  display: none;
}
.page-news .ledger-more summary::after {
  content: "+";
  font-size: 14px;
}
.page-news .ledger-more[open] summary::after {
  content: "−";
}
.page-news .ledger-more summary:hover,
.page-news .ledger-more summary:focus-visible {
  color: var(--red);
}
.page-news .ledger-more p {
  margin: 10px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--ink);
}
.page-news .ledger-aside {
  padding: clamp(18px, 3vw, 24px);
  background: var(--indigo);
  color: var(--paper);
  border-radius: var(--news-radius);
}
.page-news .ledger-aside img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-bottom: 16px;
  border-radius: var(--news-radius);
}
.page-news .ledger-aside h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--paper);
}
.page-news .ledger-aside p {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--paper-72);
}
.page-news .ledger-aside .btn--quiet {
  color: var(--gold-soft);
}

/* 版本演进 */
.page-news .version-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-news .version-map {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  background: var(--paper);
  border: 1px solid var(--line);
}
.page-news .version-map text {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.page-news .vmap-line {
  stroke: var(--gold);
  stroke-width: 2;
  stroke-dasharray: 8 8;
}
.page-news .vmap-halo {
  fill: none;
  stroke: var(--red);
  stroke-opacity: 0.3;
  stroke-width: 2;
}
.page-news .vmap-node {
  fill: var(--red);
}
.page-news .vmap-mid {
  fill: var(--paper);
  stroke: var(--red);
  stroke-width: 2;
}
.page-news .vmap-node-gold {
  fill: var(--gold);
}
.page-news .vmap-halo-gold {
  fill: none;
  stroke: var(--gold);
  stroke-opacity: 0.36;
  stroke-width: 2;
}
.page-news .vmap-label {
  font-size: 15px;
  fill: var(--indigo);
}
.page-news .vmap-label--gold {
  fill: var(--gold-ink);
}
.page-news .vmap-sub {
  font-size: 12px;
  fill: var(--mist);
}
.page-news .change-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.page-news .change-card {
  padding: 14px 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--news-radius);
}
.page-news .change-card h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--indigo);
}
.page-news .change-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-news .version-side figure {
  margin: 0 0 16px;
}
.page-news .version-side img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
}
.page-news .version-side p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--ink);
}

/* 订阅简报 */
.page-news .subscribe-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(24px, 4.4vw, 54px);
  background: linear-gradient(135deg, #16233F 0%, #1E3153 58%, #12203A 100%);
  border-radius: var(--news-radius);
  color: var(--paper);
}
.page-news .subscribe-panel::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -140px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.34), transparent 68%);
  pointer-events: none;
}
.page-news .subscribe-copy {
  position: relative;
  z-index: 1;
}
.page-news .subscribe-copy h2 {
  margin: 0.2em 0 0.5em;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-news .subscribe-copy > p {
  margin: 0 0 18px;
  max-width: 36em;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--paper-72);
}
.page-news .subscribe-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .subscribe-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper-72);
}
.page-news .subscribe-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--gold);
}
.page-news .subscribe-card {
  position: relative;
  z-index: 1;
  padding: clamp(16px, 3vw, 22px);
  background: rgba(247, 241, 228, 0.1);
  border: 1px solid var(--paper-34);
  border-radius: var(--news-radius);
  backdrop-filter: blur(8px);
}
.page-news .subscribe-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 6;
  object-fit: cover;
  margin-bottom: 14px;
}
.page-news .subscribe-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper);
}
.page-news .subscribe-card p {
  margin: 0 0 14px;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--paper-72);
}
.page-news .subscribe-card .btn {
  display: inline-flex;
  margin: 0 8px 8px 0;
}
.page-news .subscribe-card .btn--quiet {
  color: var(--paper);
  border-color: var(--paper-34);
}
.page-news .subscribe-card .btn--quiet:hover,
.page-news .subscribe-card .btn--quiet:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
}
.page-news .subscribe-card p.subscribe-note {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--paper-60);
}

/* 观察方向 */
.page-news .focus-grid {
  display: grid;
  gap: 14px;
}
.page-news .focus-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 18px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-top: 3px solid var(--indigo);
  border-radius: var(--news-radius);
  transition: border-color var(--dur) var(--ease);
}
.page-news .focus-card:hover,
.page-news .focus-card:focus-within {
  border-color: var(--red);
  border-top-color: var(--red);
}
.page-news .focus-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.page-news .focus-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--indigo);
}
.page-news .focus-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--ink);
}
.page-news .focus-card a {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .focus-card a:hover,
.page-news .focus-card a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* 响应式 */
@media (min-width: 620px) {
  .page-news .change-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .topic-no {
    min-width: 62px;
    font-size: 30px;
  }
}

@media (min-width: 780px) {
  .page-news .focus-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .section-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-news .section-note {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-news .index-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .index-rail {
    position: sticky;
    top: calc(var(--rail-h) + 22px);
  }
  .page-news .topic-no {
    min-width: 76px;
    font-size: 34px;
  }
}

@media (min-width: 940px) {
  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
  }
  .page-news .ledger {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .version-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-news .ledger-aside {
    position: sticky;
    top: calc(var(--rail-h) + 22px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-list a,
  .page-news .rail-jump,
  .page-news .ledger-title a,
  .page-news .ledger-more summary,
  .page-news .focus-card,
  .page-news .focus-card a {
    transition: none;
  }
}
<<<END>>>