.page-news {
  --news-pulse: rgba(255, 107, 74, 0.18);
}

.page-news [id] {
  scroll-margin-top: 5.5rem;
}

/* 顶部横向栏目带 */
.page-news .news-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.4rem 0.1rem 0.8rem;
  border-bottom: 1px solid var(--line-soft);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  padding: 0.45rem 0.85rem;
  white-space: nowrap;
  transition: color 180ms ease-out, border-color 180ms ease-out,
    background 180ms ease-out, transform 180ms ease-out;
}

.page-news .news-tab:hover {
  color: var(--glow);
  border-color: var(--cyan);
  background: var(--ink-3);
  transform: translateY(-2px);
}

.page-news .news-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(1.75rem, 4vw, 3rem);
}

.page-news .hero-copy h1 {
  margin: 0.55rem 0 0.9rem;
}

.page-news .hero-readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-news .hero-metric {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 1.5px solid var(--line-cyan);
  padding-left: 0.7rem;
}

.page-news .hero-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--glow);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.page-news .hero-label {
  font-size: 0.78rem;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.page-news .hero-media {
  border: 1.5px solid var(--line);
  box-shadow: var(--panel-shadow);
  background: var(--ink-2);
  margin: 0;
}

.page-news .hero-media img,
.page-news .case-diagram img,
.page-news .topic-visual img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 2.5rem;
  }
}

/* 章节抬头 */
.page-news .section-head {
  gap: 1.1rem;
}

.page-news .head-copy h2 {
  margin: 0 0 0.6rem;
}

.page-news .head-copy .lede {
  margin: 0;
}

/* 更新记录 */
.page-news .update-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0 0 0 1.4rem;
  border-left: 1.5px solid var(--line-cyan);
  display: grid;
  gap: 1.6rem;
}

.page-news .update-item {
  position: relative;
}

.page-news .update-item::before {
  content: "";
  position: absolute;
  left: -1.4rem;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  margin-left: -5.75px;
  background: var(--ink);
  border: 1.5px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .update-item--now::before {
  background: var(--coral);
  border-color: var(--coral);
  box-shadow: 0 0 0 3px var(--news-pulse);
}

.page-news .update-when {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--stone);
  margin-bottom: 0.35rem;
}

.page-news .update-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.page-news .update-head h3 {
  margin: 0;
}

.page-news .update-body h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.page-news .update-body p {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-news .update-points {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.5rem;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-news .update-points strong {
  color: var(--glow);
  font-weight: 600;
}

.page-news .update-pager {
  margin: 1.4rem 0 0;
  padding-left: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--stone);
}

/* 筛选面板 */
.page-news .filter-panel {
  margin-top: 1.4rem;
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1.5px solid var(--line);
  background: var(--ink-3);
  box-shadow: var(--panel-shadow);
}

.page-news .filter-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--glow);
}

.page-news .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-news .filter-chip {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.38rem 0.7rem;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  color: var(--mist);
  text-decoration: none;
  transition: color 180ms ease-out, border-color 180ms ease-out,
    background 180ms ease-out, transform 180ms ease-out;
}

.page-news .filter-chip:hover {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .filter-chip:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-news .filter-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 1.05rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mist);
}

.page-news .filter-metric b {
  color: var(--glow);
  font-size: 0.95rem;
  margin-right: 0.35rem;
}

.page-news .case-diagram,
.page-news .topic-visual {
  margin: 1.5rem 0 0;
  border: 1.5px solid var(--line);
  background: var(--ink-2);
}

/* 案例摘要卡 */
.page-news .case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-news .case-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--ink-2);
  transition: transform 180ms ease-out, border-color 180ms ease-out,
    box-shadow 180ms ease-out;
}

.page-news .case-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: var(--panel-shadow-lift);
}

.page-news .case-card:target {
  border-color: var(--coral);
  box-shadow: 0 0 0 2px rgba(255, 107, 74, 0.45), var(--panel-shadow);
}

.page-news .case-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.page-news .case-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--stone);
  letter-spacing: 0.04em;
}

.page-news .case-card h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.45;
}

.page-news .case-focus {
  margin: 0;
  font-size: 0.82rem;
  color: var(--clay);
  letter-spacing: 0.02em;
}

.page-news .case-more {
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-soft);
}

.page-news .case-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  padding: 0.2rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .case-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .case-more > summary::after {
  content: "+";
  font-size: 0.95rem;
  line-height: 1;
}

.page-news .case-more[open] > summary::after {
  content: "−";
}

.page-news .case-more > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .case-more ul {
  margin: 0.55rem 0 0;
  padding-left: 1.05rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
}

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

@media (min-width: 1080px) {
  .page-news .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 专题系列 */
.page-news .topic-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: topic;
}

.page-news .topic-item {
  position: relative;
  padding: 1.2rem 1.15rem 1.3rem;
  border: 1.5px solid var(--line);
  background: linear-gradient(155deg, var(--ink-2) 0%, var(--ink) 100%);
  box-shadow: var(--panel-shadow);
  transition: transform 180ms ease-out, border-color 180ms ease-out;
}

.page-news .topic-item:hover {
  transform: translateY(-3px);
  border-color: var(--clay);
}

.page-news .topic-tag {
  display: inline-block;
  margin-bottom: 0.65rem;
}

.page-news .topic-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.12rem;
}

.page-news .topic-item p {
  margin: 0 0 0.6rem;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-news .topic-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--stone) !important;
  letter-spacing: 0.02em;
  padding-top: 0.55rem;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-news .topic-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 回到面板 */
.page-news .cta-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1.5px solid var(--line-cyan);
  background: linear-gradient(135deg, var(--ink-2) 0%, var(--ink) 65%);
  box-shadow: var(--panel-shadow);
}

.page-news .cta-panel h2 {
  margin: 0.5rem 0 0.75rem;
}

.page-news .cta-panel .lede {
  margin: 0 0 1.4rem;
  max-width: 62ch;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

@media (max-width: 480px) {
  .page-news .hero-readout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .page-news .hero-label {
    font-size: 0.7rem;
  }

  .page-news .filter-panel {
    padding: 1rem 0.9rem 1.1rem;
  }

  .page-news .cta-actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}
<<<END>>>