.page-news {
  background: var(--clr-light);
  color: var(--clr-ink);
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 36px;
}
.page-news .breadcrumb a {
  color: var(--clr-cyan);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--clr-orange);
  outline: none;
}

/* ===== 首屏 Hero ===== */
.page-news .news-hero {
  position: relative;
  background: var(--clr-deep);
  color: #fff;
  padding: 48px 0 64px;
  overflow: hidden;
}
.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -48px;
  right: -80px;
  width: 420px;
  height: 340px;
  background: linear-gradient(135deg, transparent 48%, var(--clr-orange) 48%);
  opacity: 0.12;
  transform: rotate(8deg);
  pointer-events: none;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--clr-orange) 0 18%, var(--clr-cyan) 18% 36%, transparent 36%);
  pointer-events: none;
}
.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}
.page-news .news-hero .tag {
  background: rgba(0, 217, 255, 0.12);
  color: var(--clr-cyan);
  border: 1px solid rgba(0, 217, 255, 0.36);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}
.page-news .news-hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.15;
  margin: 18px 0 18px;
  max-width: 760px;
}
.page-news .news-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--clr-mist);
  max-width: 660px;
  margin: 0;
}
.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-news .news-hero-side {
  position: relative;
  border: 1px solid rgba(0, 217, 255, 0.35);
  background: rgba(19, 49, 92, 0.55);
  padding: 24px 24px 28px;
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
  justify-items: start;
  font-family: var(--font-mono);
}
.page-news .news-hero-side::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  pointer-events: none;
}
.page-news .hero-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
}
.page-news .hero-round {
  font-size: 64px;
  line-height: 1;
  color: var(--clr-orange);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.page-news .hero-flag {
  background: var(--clr-orange);
  color: var(--clr-deep);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-top: 10px;
}
.page-news .hero-note {
  font-size: 12px;
  color: var(--clr-mist);
  letter-spacing: 0.02em;
}

/* ===== 数据概览 ===== */
.page-news .news-stats {
  padding: 56px 0 8px;
}
.page-news .news-stats .section-head {
  margin-bottom: 28px;
}
.page-news .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-news .stat-card {
  --stat-accent: var(--clr-cyan);
  position: relative;
  padding: 22px 20px;
  border-top: 4px solid var(--stat-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-news .stat-card:nth-child(2) {
  --stat-accent: var(--clr-orange);
}
.page-news .stat-card:nth-child(3) {
  --stat-accent: var(--clr-green);
}
.page-news .stat-card:nth-child(4) {
  --stat-accent: var(--clr-yellow);
}
.page-news .stat-card:hover,
.page-news .stat-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.page-news .stat-card .data-label {
  color: var(--clr-mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-news .stat-num {
  font-family: var(--font-mono);
  font-size: 44px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--clr-deep);
  display: block;
  margin: 8px 0 2px;
}
.page-news .stat-unit {
  font-size: 13px;
  color: var(--clr-mist);
  font-family: var(--font-mono);
}
.page-news .stat-desc {
  font-size: 14px;
  line-height: 1.6;
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--clr-warm);
  color: var(--clr-ink);
}

/* ===== 标签页区 ===== */
.page-news .news-tabs-section {
  padding: 48px 0 80px;
}
.page-news .tabs-decor {
  max-width: 600px;
  margin: 0 0 32px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.page-news .tabs-decor img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .tabs-wrap {
  margin-top: 28px;
}

/* 标签输入与按钮 */
.page-news .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}
.page-news .tab-label {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  padding: 12px 18px;
  margin-bottom: 6px;
  text-align: center;
  color: var(--clr-deep);
  background: #fff;
  border: 1px solid var(--clr-warm);
  border-bottom: 3px solid var(--clr-warm);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.page-news .tab-label:hover {
  color: var(--clr-orange);
  border-color: var(--clr-orange);
}
.page-news .tab-input:focus-visible + .tab-label {
  outline: 2px solid var(--clr-orange);
  outline-offset: 2px;
}
.page-news .tab-input:checked + .tab-label {
  color: var(--clr-orange);
  border-bottom-color: var(--clr-orange);
  background: rgba(255, 107, 53, 0.06);
  font-weight: 700;
}

/* 标签面板 */
.page-news .tab-panel {
  display: none;
  padding: 32px 0 0;
}
.page-news .tab-panel-updates,
.page-news .tab-panel-cases,
.page-news .tab-panel-features {
  display: none;
}
.page-news #page-news-tab-updates:checked ~ .tab-panel-updates {
  display: block;
  animation: news-fade-up 0.36s ease both;
}
.page-news #page-news-tab-cases:checked ~ .tab-panel-cases {
  display: block;
  animation: news-fade-up 0.36s ease both;
}
.page-news #page-news-tab-features:checked ~ .tab-panel-features {
  display: block;
  animation: news-fade-up 0.36s ease both;
}

@keyframes news-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 更新日志 ===== */
.page-news .updates-lead {
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 20px;
  padding: 14px 16px;
  background: var(--clr-warm);
  border-radius: var(--radius);
  color: var(--clr-deep);
}
.page-news .update-hero-img {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 0 24px;
  box-shadow: var(--shadow-sm);
}
.page-news .update-hero-img img,
.page-news .cases-img img,
.page-news .features-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news .update-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  background: #fff;
  padding: 18px;
  border: 1px solid var(--clr-warm);
  border-left: 3px solid var(--clr-cyan);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.page-news .update-item:hover {
  transform: translateX(6px);
  border-left-color: var(--clr-orange);
  box-shadow: var(--shadow-md);
}
.page-news .update-index {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--clr-orange);
  padding-top: 2px;
}
.page-news .update-body h3 {
  font-size: 17px;
  line-height: 1.4;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--clr-deep);
}
.page-news .update-body p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  color: var(--clr-ink);
  opacity: 0.86;
}
.page-news .update-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

/* 加载更多 */
.page-news .load-more {
  margin-top: 14px;
  border: 1px dashed var(--clr-deep);
  border-radius: var(--radius);
  background: var(--clr-light);
}
.page-news .load-more summary {
  cursor: pointer;
  padding: 15px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--clr-deep);
}
.page-news .load-more summary:hover,
.page-news .load-more summary:focus-visible {
  color: var(--clr-orange);
}
.page-news .load-more[open] summary {
  border-bottom: 1px dashed var(--clr-deep);
}
.page-news .load-more .update-list {
  margin: 14px;
}

/* ===== 操作按钮行 ===== */
.page-news .panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ===== 案例复盘 ===== */
.page-news .cases-layout {
  display: grid;
  gap: 32px;
  align-items: start;
}
.page-news .cases-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 0;
}
.page-news .cases-content h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--clr-deep);
}
.page-news .cases-content > p {
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 22px;
  max-width: 720px;
}
.page-news .cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-news .case-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--clr-warm);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-news .case-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--clr-orange);
  border-radius: var(--radius) 0 0 var(--radius);
}
.page-news .case-card:nth-child(2n)::before {
  background: var(--clr-cyan);
}
.page-news .case-card:hover,
.page-news .case-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.page-news .case-card .data-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clr-mist);
  text-transform: uppercase;
}
.page-news .case-card h4 {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--clr-deep);
  margin: 8px 0 6px;
}
.page-news .case-card p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  color: var(--clr-ink);
  opacity: 0.82;
}

/* ===== 功能发布 ===== */
.page-news .features-layout {
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-news .features-copy h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--clr-deep);
}
.page-news .features-lead {
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 20px;
  color: var(--clr-ink);
  opacity: 0.82;
}
.page-news .feature-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .feature-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--clr-warm);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.page-news .feature-list li:hover,
.page-news .feature-list li:focus-within {
  transform: translateX(6px);
  border-color: var(--clr-cyan);
  box-shadow: var(--shadow-md);
}
.page-news .feature-index {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--clr-cyan);
  font-weight: 700;
  letter-spacing: 0.06em;
}
.page-news .feature-list h4 {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--clr-deep);
}
.page-news .feature-list p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  color: var(--clr-ink);
  opacity: 0.82;
}
.page-news .features-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 0;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 640px) {
  .page-news .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .tab-label {
    display: inline-block;
    width: auto;
    margin-bottom: 0;
    margin-right: 6px;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  .page-news .tab-panel {
    padding-top: 20px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    padding: 56px 0 72px;
  }
  .page-news .news-hero-inner {
    grid-template-columns: 2fr 1fr;
    gap: 64px;
  }
  .page-news .news-stats {
    padding: 64px 0 12px;
  }
  .page-news .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .page-news .news-tabs-section {
    padding: 56px 0 96px;
  }
  .page-news .cases-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
  }
  .page-news .features-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tab-panel {
    animation: none;
  }
  .page-news .stat-card,
  .page-news .case-card,
  .page-news .feature-list li,
  .page-news .update-item,
  .page-news .breadcrumb a,
  .page-news .tab-label {
    transition: none;
  }
}