.page-news {
  --news-gap: clamp(16px, 2.4vw, 26px);
  --news-state: rgba(35, 211, 211, 0.08);
}

/* ---------- 首屏 ---------- */
.page-news .column-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
}

.page-news .column-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: min(640px, 84vw);
  height: min(640px, 84vw);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(35, 211, 211, 0.22), transparent 62%);
  pointer-events: none;
}

.page-news .column-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -60px;
  width: min(520px, 62vw);
  height: 180px;
  background: linear-gradient(100deg, rgba(242, 169, 59, 0.16), transparent 72%);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .hero-inner {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .hero-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(242, 169, 59, 0.14);
  border: 1px solid rgba(242, 169, 59, 0.4);
  color: var(--gold-300);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .hero-title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.2vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .title-accent {
  color: var(--gold-500);
}

.page-news .hero-lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hairline);
}

.page-news .fact-num {
  color: var(--gold-500);
  font-size: 17px;
  font-weight: 600;
}

.page-news .fact-label {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- 章节索引 ---------- */
.page-news .section-index {
  position: sticky;
  top: 84px;
  z-index: 8;
  padding: 0 0 12px;
}

.page-news .index-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 7px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  border-radius: var(--radius-pill);
  background: rgba(20, 41, 75, 0.82);
  border: 1px solid var(--hairline);
  backdrop-filter: blur(12px);
}

.page-news .index-list::-webkit-scrollbar {
  display: none;
}

.page-news .index-link {
  display: block;
  white-space: nowrap;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .index-link:hover,
.page-news .index-link:focus-visible {
  background: rgba(185, 196, 212, 0.14);
  color: var(--text);
}

.page-news .index-link[data-spy-current="true"] {
  background: var(--gold-500);
  color: var(--ink-900);
  font-weight: 600;
}

/* ---------- 通用章节 ---------- */
.page-news .section {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-news .section-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-news .section-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-news .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .section-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  background: linear-gradient(180deg, rgba(20, 41, 75, 0.5), transparent 70%);
}

.page-news .rhythm-grid {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: 1fr;
}

.page-news .rhythm-cell {
  padding: 24px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
}

.page-news .rhythm-num {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 46px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold-500);
}

.page-news .rhythm-label {
  margin: 12px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-news .rhythm-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .rhythm-note {
  margin: 28px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--cyan-600);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--news-state);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 第 12 期时间轴 ---------- */
.page-news .changes {
  background: linear-gradient(180deg, transparent, rgba(11, 27, 51, 0.6) 40%, transparent);
}

.page-news .change-figure {
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-news .change-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-news .change-timeline {
  position: relative;
  margin: 0;
  padding: 6px 0 6px 30px;
  list-style: none;
}

.page-news .change-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400), var(--cyan-600) 55%, transparent);
}

.page-news .change-item {
  position: relative;
  padding-bottom: 26px;
}

.page-news .change-item:last-child {
  padding-bottom: 0;
}

.page-news .change-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 3px solid var(--gold-500);
  box-sizing: border-box;
}

.page-news .timeline-date {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-300);
}

.page-news .change-body {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-left: 3px solid rgba(242, 169, 59, 0.55);
}

.page-news .change-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-news .change-before,
.page-news .change-after {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .change-before {
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--hairline);
}

.page-news .change-after {
  padding-top: 10px;
  color: var(--text);
}

.page-news .change-before .tag,
.page-news .change-after .tag {
  margin-right: 8px;
}

/* ---------- 双版本对照 ---------- */
.page-news .version-rig {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-news .version-col {
  padding: 24px 22px;
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
}

.page-news .version-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline-strong);
}

.page-news .version-name {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.page-news .version-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .version-list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
  border-bottom: 1px solid var(--hairline);
}

.page-news .version-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-news .version-col--full .version-list li::before {
  background: var(--gold-500);
}

.page-news .version-guide {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: 1fr;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-news .version-figure {
  margin: 0;
}

.page-news .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-news .version-guide-title {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

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

.page-news .version-steps-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
  border-bottom: 1px solid var(--hairline);
}

.page-news .version-steps-list li:last-child {
  border-bottom: 0;
}

.page-news .step-index {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-500);
  padding-top: 3px;
}

/* ---------- 项目分类 ---------- */
.page-news .categories {
  background: linear-gradient(180deg, rgba(20, 41, 75, 0.55), transparent 65%);
}

.page-news .cat-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-news .cat-figure img,
.page-news .cat-scene img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-news .cat-accordion {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-news .cat-item {
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

.page-news .cat-item:hover {
  border-color: rgba(242, 169, 59, 0.5);
}

.page-news .cat-item-head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-news .cat-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
  min-height: 48px;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
}

.page-news .cat-btn:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: -3px;
}

.page-news .cat-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-news .cat-dims {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-news .cat-panel {
  padding: 0 20px 20px;
}

.page-news .cat-dims-list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-news .cat-dims-list li {
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .cat-tip {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold-300);
}

.page-news .cat-scene {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

/* ---------- 专题与手记 ---------- */
.page-news .feature-grid {
  display: grid;
  gap: var(--news-gap);
  grid-template-columns: 1fr;
}

.page-news .feature-card {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: var(--ink-700);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--cyan-600);
}

.page-news .feature-index {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-500);
}

.page-news .feature-title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.page-news .feature-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .feature-meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold-300);
}

/* ---------- 导出留档 ---------- */
.page-news .export-panel {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: 1fr;
  padding: clamp(24px, 4vw, 46px);
  border-radius: var(--radius-lg);
  background: var(--sand-50);
  color: var(--ink-900);
}

.page-news .export-kicker {
  color: var(--cyan-600);
}

.page-news .export-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .export-text {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: #2a3f5f;
}

.page-news .export-cta {
  margin-top: 24px;
}

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

.page-news .export-steps li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(11, 27, 51, 0.14);
}

.page-news .export-steps li:first-child {
  padding-top: 0;
}

.page-news .export-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .export-steps .step-index {
  color: #b06f14;
}

.page-news .export-step-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .export-steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #2a3f5f;
}

.page-news .export-foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .export-foot .link {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .cat-accordion {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 900px) {
  .page-news .change-item:nth-child(even) {
    margin-left: 44px;
  }

  .page-news .change-item:nth-child(odd) {
    margin-right: 44px;
  }

  .page-news .version-guide {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news .export-panel {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .rhythm-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .rhythm-cell:nth-child(even) {
    transform: translateY(22px);
  }

  .page-news .cat-accordion {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .cat-item:nth-child(3n + 2) {
    transform: translateY(24px);
  }

  .page-news .version-rig {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-news .version-col--full {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: 0;
  }

  .page-news .version-col--lite {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  }
}

@media (max-width: 767px) {
  .page-news .section-index {
    position: static;
  }

  .page-news .hero-title {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-item,
  .page-news .rhythm-cell,
  .page-news .index-link {
    transition: none;
    transform: none;
  }
}
</PAGE_CSS>>>