.page-news {
  background: var(--deep);
  color: var(--text);
  overflow-x: hidden;
}

.page-news .breadcrumb {
  margin: 22px 0 0;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(44px, 6vw, 78px);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, rgba(53, 224, 200, 0.09) 0 36%, transparent 36%),
    linear-gradient(292deg, rgba(255, 107, 74, 0.07) 0 24%, transparent 24%);
}

.page-news .hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.6vw, 54px);
  align-items: center;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 4.6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-news .news-hero h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 6px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--cyan), var(--coral));
}

.page-news .news-hero .lead {
  margin: 18px 0 0;
  max-width: 60ch;
}

.page-news .hero-facts {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(10px, 2vw, 26px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 0 15px;
}

.page-news .fact-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-news .fact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-news .hero-visual {
  position: relative;
  border: 1px solid var(--line);
  background: var(--deep-2);
}

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

.page-news .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(53, 224, 200, 0.18) 0 14%, transparent 46%);
}

.page-news .hero-badge {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 9px 15px;
  background: var(--coral);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

/* ---------- 区块通用 ---------- */

.page-news .news-timeline,
.page-news .news-taxonomy,
.page-news .news-scenes,
.page-news .news-next {
  padding: clamp(42px, 5.6vw, 78px) 0;
}

.page-news .news-themes {
  padding: clamp(42px, 5.6vw, 78px) 0 0;
}

.page-news .section-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

/* ---------- 版本列表 ---------- */

.page-news .timeline-band {
  margin: 0 0 clamp(26px, 3.6vw, 42px);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .timeline-band img {
  display: block;
  width: 100%;
  height: clamp(110px, 16vw, 200px);
  object-fit: cover;
}

.page-news .version-list {
  list-style: none;
  margin: 0 0 0 5px;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-news .version-item {
  position: relative;
  padding: clamp(22px, 3.4vw, 34px) 0 clamp(22px, 3.4vw, 34px) clamp(22px, 3.6vw, 40px);
  border-bottom: 1px solid var(--line-soft);
}

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

.page-news .version-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: clamp(30px, 4.2vw, 42px);
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.page-news .version-item:nth-child(2n)::before {
  background: var(--coral);
}

.page-news .version-index {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .version-index .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-news .version-when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-news .version-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .version-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: #FFFFFF;
}

.page-news .version-body p {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: #C2CDE0;
}

/* ---------- 横向主题带 ---------- */

.page-news .theme-track {
  display: flex;
  gap: clamp(12px, 1.6vw, 20px);
  overflow-x: auto;
  padding: 4px var(--gutter) 24px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .theme-card {
  position: relative;
  flex: 0 0 clamp(238px, 27vw, 318px);
  scroll-snap-align: start;
  background: var(--deep-2);
  border: 1px solid var(--line);
  padding: 24px 20px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 208px;
}

.page-news .theme-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  background: var(--cyan);
}

.page-news .theme-card:nth-child(3n + 2)::before {
  background: var(--coral);
}

.page-news .theme-card:nth-child(3n)::before {
  background: var(--signal);
}

.page-news .theme-ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-news .theme-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.page-news .theme-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: #C2CDE0;
}

/* ---------- 分类与适配 ---------- */

.page-news .tax-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .tax-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .tax-caption {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-news .tax-groups {
  display: flex;
  flex-direction: column;
}

.page-news .tax-group {
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
}

.page-news .tax-group:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .tax-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .tax-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--coral);
}

.page-news .tax-head h3 {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
}

.page-news .tax-group p {
  margin: 9px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.76;
  color: #C2CDE0;
}

.page-news .chip-row {
  list-style: none;
  margin: 13px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: rgba(53, 224, 200, 0.06);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* ---------- 回访场景 ---------- */

.page-news .scene-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-news .scene-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 2px 14px;
  padding: 18px 0 20px;
  border-top: 1px solid var(--line);
}

.page-news .scene-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .scene-idx {
  grid-column: 1;
  grid-row: 1;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-news .scene-item h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: #FFFFFF;
}

.page-news .scene-item p {
  grid-column: 2;
  grid-row: 2;
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: #C2CDE0;
}

.page-news .scene-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 后续入口 ---------- */

.page-news .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-news .next-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: clamp(24px, 3vw, 34px);
  background: var(--deep-2);
  border: 1px solid var(--line);
}

.page-news .next-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  background: var(--cyan);
}

.page-news .next-card--accent {
  background: linear-gradient(140deg, rgba(255, 107, 74, 0.18) 0%, rgba(18, 41, 74, 1) 62%);
  border-color: rgba(255, 107, 74, 0.5);
}

.page-news .next-card--accent::before {
  background: var(--coral);
}

.page-news .next-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-news .next-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.page-news .next-card p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.76;
  color: #C2CDE0;
}

.page-news .next-card .btn {
  margin-top: 6px;
}

.page-news .next-foot {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .version-item {
    display: grid;
    grid-template-columns: 128px 1fr;
    gap: clamp(20px, 3vw, 44px);
  }

  .page-news .version-index {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-news .hero-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-news .tax-grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
  }

  .page-news .scene-layout {
    grid-template-columns: 1.05fr 0.95fr;
  }

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

@media (max-width: 480px) {
  .page-news .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 8px;
  }

  .page-news .fact-label {
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .page-news .theme-card {
    flex: 0 0 82vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .theme-track {
    scroll-snap-type: none;
  }
}