.page-news {
  background:
    radial-gradient(900px 480px at 88% -8%, rgba(216, 169, 75, 0.16), transparent 62%),
    radial-gradient(720px 420px at -6% 26%, rgba(63, 160, 138, 0.09), transparent 66%),
    var(--ink-deep);
  color: var(--warm-white);
  padding-bottom: clamp(56px, 9vw, 110px);
}

.page-news .breadcrumb {
  margin: clamp(16px, 2.4vw, 26px) 0 clamp(10px, 1.6vw, 18px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-bottom: clamp(22px, 3.4vw, 38px);
  border-bottom: 2px solid rgba(216, 169, 75, 0.45);
}

.page-news .news-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-news .news-kicker::before {
  content: "";
  width: clamp(24px, 4vw, 40px);
  height: 2px;
  background: var(--cinnabar);
}

.page-news .news-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--warm-white);
}

.page-news .news-lead {
  max-width: 38em;
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.86);
}

.page-news .news-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2.4vw, 28px);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
}

.page-news .fact-num {
  font-family: var(--font-mono);
  font-size: var(--fs-26);
  font-weight: 500;
  line-height: 1;
  color: var(--gold-bright);
}

.page-news .fact-txt {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--slate-blue);
}

/* ---------- 置顶卡 ---------- */
.page-news .news-pinned {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .pin-card {
  position: relative;
  background: var(--cream);
  color: var(--ink-black);
  border: var(--border-gold);
  box-shadow: var(--shadow-hard);
}

.page-news .pin-card::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 52px;
  height: 52px;
  background: var(--cinnabar);
  clip-path: polygon(100% 0, 22% 0, 100% 78%);
  pointer-events: none;
}

.page-news .pin-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px clamp(16px, 2.6vw, 26px);
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid rgba(16, 20, 28, 0.18);
}

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

.page-news .pin-card:not([open]) .pin-summary {
  border-bottom: none;
}

.page-news .pin-flag {
  flex: none;
  padding: 3px 9px;
  background: var(--cinnabar);
  color: var(--warm-white);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.14em;
}

.page-news .pin-title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  line-height: 1.3;
  color: var(--ink-black);
}

.page-news .pin-caret {
  flex: none;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--ink-black);
  border-bottom: 2px solid var(--ink-black);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform var(--dur) var(--ease);
}

.page-news .pin-card[open] .pin-caret {
  transform: rotate(-135deg) translate(-3px, -3px);
}

.page-news .pin-body {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
  padding: clamp(16px, 2.6vw, 26px);
}

.page-news .pin-copy p {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-black);
}

.page-news .pin-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .pin-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.75;
}

.page-news .pin-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--cinnabar);
}

.page-news .pin-list strong {
  font-weight: 700;
}

.page-news .pin-copy .btn--ghost {
  border: 2px solid var(--ink-black);
  background: transparent;
  color: var(--ink-black);
}

.page-news .pin-copy .btn--ghost:hover,
.page-news .pin-copy .btn--ghost:focus-visible {
  background: var(--ink-black);
  color: var(--cream);
}

.page-news .pin-media {
  margin: 0;
}

.page-news .pin-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(16, 20, 28, 0.28);
}

/* ---------- 主体：书脊 + 文章流 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
  margin-top: clamp(32px, 5vw, 56px);
}

.page-news .news-rail {
  min-width: 0;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(216, 169, 75, 0.3);
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .rail-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .rail-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  background: transparent;
  border: 1px solid rgba(216, 169, 75, 0.34);
  color: var(--warm-white);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .rail-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .rail-tab:hover,
.page-news .rail-tab:focus-visible {
  border-color: var(--gold-bright);
}

.page-news .rail-tab[aria-selected="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--warm-white);
}

.page-news .rail-tab[aria-selected="true"] .rail-num {
  color: var(--gold-bright);
}

.page-news .rail-series {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-news .series-jump {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-news .series-jump a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--fs-14);
  color: rgba(246, 241, 230, 0.9);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .series-jump a span {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--gold);
}

.page-news .series-jump a:hover,
.page-news .series-jump a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

/* ---------- 文章流 ---------- */
.page-news .news-stream {
  min-width: 0;
}

.page-news .stream-head {
  margin-bottom: clamp(14px, 2.2vw, 22px);
  padding-left: 14px;
  border-left: 4px solid var(--gold);
}

.page-news .stream-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.25;
  color: var(--warm-white);
}

.page-news .stream-note {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate-blue);
}

.page-news [role="tabpanel"][hidden] {
  display: none;
}

.page-news .article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 20px);
}

.page-news .post {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--ink-step);
  background-image: linear-gradient(rgba(216, 169, 75, 0), rgba(216, 169, 75, 0));
  border: 1px solid rgba(216, 169, 75, 0.26);
  border-left: 3px solid var(--gold);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-image var(--dur) var(--ease);
}

.page-news .post:hover {
  transform: translateY(-3px);
  border-color: var(--gold-bright);
  background-image: linear-gradient(rgba(216, 169, 75, 0.09), rgba(216, 169, 75, 0.09));
}

.page-news .post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .post-tag {
  padding: 2px 8px;
  border: 1px solid rgba(216, 169, 75, 0.6);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gold-bright);
}

.page-news .post-time {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--slate-blue);
}

.page-news .post-time::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1px;
  margin-right: 7px;
  vertical-align: middle;
  background: var(--gold-bright);
}

.page-news .post-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--warm-white);
}

.page-news .post-summary {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.82);
}

.page-news .post-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .post-thumb {
  margin: 0;
  min-width: 0;
}

.page-news .post-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(216, 169, 75, 0.4);
}

.page-news .post--featured {
  grid-column: 1 / -1;
  border-left-width: 4px;
  border-left-color: var(--cinnabar);
  background: linear-gradient(160deg, rgba(196, 64, 47, 0.16), rgba(27, 44, 77, 0.9) 62%);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  margin-top: clamp(36px, 6vw, 68px);
  padding: clamp(18px, 3vw, 30px);
  background: var(--ink-night);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-news .series-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  line-height: 1.25;
  color: var(--warm-white);
}

.page-news .series-head p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate-blue);
}

.page-news .series-banner {
  margin: clamp(16px, 2.6vw, 24px) 0;
}

.page-news .series-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border: 1px solid rgba(216, 169, 75, 0.45);
}

.page-news .series-list {
  display: grid;
  gap: 10px;
}

.page-news .series-item {
  border: 1px solid rgba(216, 169, 75, 0.38);
  background: rgba(27, 44, 77, 0.6);
}

.page-news .series-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px clamp(12px, 2vw, 18px);
  cursor: pointer;
  list-style: none;
}

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

.page-news .series-num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--gold-bright);
}

.page-news .series-name {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-16);
  color: var(--warm-white);
}

.page-news .series-count {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--slate-blue);
}

.page-news .series-arrow {
  color: var(--gold);
  font-size: var(--fs-16);
  transition: transform var(--dur) var(--ease);
}

.page-news .series-item[open] .series-arrow {
  transform: rotate(180deg);
}

.page-news .series-body {
  margin: 0;
  padding: 4px clamp(12px, 2vw, 18px) 16px 42px;
  display: grid;
  gap: 8px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: rgba(246, 241, 230, 0.84);
}

.page-news .series-body li::marker {
  font-family: var(--font-mono);
  color: var(--cinnabar);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  margin-top: clamp(36px, 6vw, 68px);
}

.page-news .cadence-head {
  padding-left: 14px;
  border-left: 4px solid var(--cinnabar);
}

.page-news .cadence-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  line-height: 1.25;
  color: var(--warm-white);
}

.page-news .cadence-head p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate-blue);
}

.page-news .cadence-head a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 215, 154, 0.6);
}

.page-news .cadence-head a:hover,
.page-news .cadence-head a:focus-visible {
  border-bottom-color: var(--gold-bright);
}

.page-news .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-news .cadence-item {
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--ink-step);
  border-top: 3px solid var(--jade);
  border-right: 1px solid rgba(216, 169, 75, 0.22);
  border-bottom: 1px solid rgba(216, 169, 75, 0.22);
  border-left: 1px solid rgba(216, 169, 75, 0.22);
}

.page-news .cadence-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-26);
  font-weight: 500;
  line-height: 1.1;
  color: var(--gold-bright);
}

.page-news .cadence-item h3 {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--fs-16);
  color: var(--warm-white);
}

.page-news .cadence-item p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.8);
}

.page-news .cadence-team {
  margin-top: clamp(16px, 2.6vw, 24px);
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--cream);
  color: var(--ink-black);
  border-left: 6px solid var(--gold);
}

.page-news .cadence-team p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ink-black);
}

.page-news .cadence-team p + p {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(16, 20, 28, 0.28);
}

/* ---------- 收口 ---------- */
.page-news .news-cta {
  margin-top: clamp(36px, 6vw, 68px);
  padding: clamp(20px, 3.4vw, 36px);
  background:
    linear-gradient(135deg, rgba(196, 64, 47, 0.22), rgba(6, 13, 26, 0.2)),
    var(--ink-step);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-news .news-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.25;
  color: var(--warm-white);
}

.page-news .news-cta p {
  max-width: 40em;
  margin: 12px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.86);
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(16px, 2.4vw, 22px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .post--featured {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 264px);
    gap: clamp(14px, 2vw, 22px);
    align-items: center;
  }

  .page-news .post--featured .post-thumb img {
    aspect-ratio: 4 / 3;
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-news .pin-body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(22px, 3vw, 36px);
  }

  .page-news .news-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-news .news-rail {
    position: sticky;
    top: 104px;
    border-bottom: none;
    padding-bottom: 0;
    border-right: 1px solid rgba(216, 169, 75, 0.28);
    padding-right: 14px;
  }

  .page-news .rail-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .rail-tab {
    width: 100%;
    justify-content: flex-start;
    border-left: 3px solid transparent;
  }

  .page-news .rail-tab[aria-selected="true"] {
    border-left-color: var(--gold-bright);
  }

  .page-news .rail-series {
    margin-top: clamp(22px, 3vw, 30px);
    padding-top: clamp(16px, 2.4vw, 22px);
    border-top: 1px solid rgba(216, 169, 75, 0.28);
  }

  .page-news .series-jump {
    flex-direction: column;
    gap: 10px;
  }

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

@media (min-width: 1080px) {
  .page-news .news-title {
    max-width: 16em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .post,
  .page-news .pin-caret,
  .page-news .series-arrow,
  .page-news .rail-tab,
  .page-news .series-jump a {
    transition: none;
  }

  .page-news .post:hover {
    transform: none;
  }
}
<<<END>>>