.page-news {
  --timeline-dot-size: 18px;
  --timeline-rail-width: 4px;
  --timeline-item-gap: 32px;
  --timeline-card-radius: 14px;
  --timeline-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --brand-card-min-height: 360px;
  --industry-card-min-height: 340px;
  --hero-min-height: 380px;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  padding-bottom: 8px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
}
.page-news .breadcrumb-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-news .breadcrumb-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}
.page-news .breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}
.page-news .breadcrumb-current {
  color: var(--color-text);
  font-weight: 600;
}

/* ===== 首屏 Hero ===== */
.page-news .news-hero {
  position: relative;
  min-height: var(--hero-min-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 0 16px 24px;
  isolation: isolate;
}
.page-news .news-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
}
.page-news .news-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,46,26,0.85) 0%, rgba(46,139,87,0.55) 60%, rgba(220,20,60,0.25) 100%);
  z-index: 1;
}
.page-news .news-hero-content {
  position: relative;
  z-index: 2;
  padding: 48px 24px;
  width: 100%;
}
.page-news .news-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(36px, 8vw, 56px);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 12px;
  line-height: 1.1;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.page-news .news-hero-desc {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.5vw, 20px);
  color: rgba(255,255,255,0.92);
  margin: 0 0 20px;
  max-width: 600px;
  line-height: 1.5;
}
.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-news .hero-tag {
  font-size: 13px;
  padding: 4px 14px;
  border-radius: var(--radius-xl);
}
.page-news .hero-tag.tag {
  background: var(--color-highlight);
  color: var(--color-text);
  border: none;
}
.page-news .hero-tag.tag-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-white);
  backdrop-filter: blur(4px);
}

/* ===== 章节通用 ===== */
.page-news .section {
  padding: 48px 0;
}
.page-news .section-header {
  margin-bottom: 40px;
}
.page-news .section-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 12px;
}
.page-news .title-accent {
  font-family: var(--font-heading);
  font-size: var(--font-scale-h2);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.page-news .title-sub {
  font-family: var(--font-number);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.page-news .section-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 600px;
  line-height: 1.6;
}

/* ===== 时间线 ===== */
.page-news .timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--timeline-item-gap);
  padding-left: 28px;
}
.page-news .timeline-rail {
  position: absolute;
  left: 10px;
  top: 12px;
  bottom: 12px;
  width: var(--timeline-rail-width);
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  border-radius: var(--radius-xl);
  opacity: 0.35;
  pointer-events: none;
}
.page-news .timeline-item {
  position: relative;
  background: var(--color-white);
  border-radius: var(--timeline-card-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--timeline-transition), border-color var(--timeline-transition);
  overflow: hidden;
  list-style: none;
}
.page-news .timeline-item[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.page-news .timeline-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.page-news .timeline-item::-webkit-details-marker,
.page-news .timeline-item::marker {
  display: none !important;
  content: "";
}

.page-news .timeline-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px 18px 0;
  cursor: pointer;
  user-select: none;
  list-style: none;
  position: relative;
  transition: background var(--transition-fast);
}
.page-news .timeline-summary::-webkit-details-marker {
  display: none;
}
.page-news .timeline-summary:hover {
  background: var(--color-bg-light);
}
.page-news .timeline-summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--timeline-card-radius);
}

.page-news .timeline-marker {
  flex-shrink: 0;
  position: relative;
  width: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  margin-top: 4px;
}
.page-news .timeline-dot {
  width: var(--timeline-dot-size);
  height: var(--timeline-dot-size);
  border-radius: var(--radius-round);
  background: var(--color-primary);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-sm);
  transition: background var(--timeline-transition), box-shadow var(--timeline-transition);
  position: relative;
  z-index: 2;
}
.page-news .timeline-item[open] .timeline-dot,
.page-news .timeline-item:hover .timeline-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent), 0 0 16px rgba(220,20,60,0.25);
}
.page-news .timeline-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(var(--timeline-dot-size) + 12px);
  height: calc(var(--timeline-dot-size) + 12px);
  transform: translate(-50%, -50%);
  border-radius: var(--radius-round);
  background: var(--color-accent);
  opacity: 0;
  z-index: 1;
  transition: opacity var(--timeline-transition);
}
.page-news .timeline-item[open] .timeline-pulse,
.page-news .timeline-item:hover .timeline-pulse {
  opacity: 0.12;
}

.page-news .timeline-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-news .timeline-time {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.page-news .timeline-heading {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  transition: color var(--transition-fast);
}
.page-news .timeline-item:hover .timeline-heading {
  color: var(--color-primary);
}
.page-news .timeline-preview {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.page-news .timeline-thumb {
  flex-shrink: 0;
  width: 100px;
  height: 75px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  transition: transform var(--timeline-transition), box-shadow var(--timeline-transition);
}
.page-news .timeline-item:hover .timeline-thumb {
  transform: scale(1.02);
  box-shadow: var(--shadow-sm);
}
.page-news .timeline-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--timeline-transition), color var(--timeline-transition);
  border-radius: var(--radius-round);
  background: var(--color-bg-light);
}
.page-news .timeline-item[open] .timeline-toggle {
  transform: rotate(180deg);
  color: var(--color-accent);
  background: rgba(220,20,60,0.08);
}
.page-news .timeline-item:hover .timeline-toggle {
  background: rgba(46,139,87,0.1);
}

.page-news .timeline-details {
  border-top: 1px dashed var(--color-border-light);
  animation: timelineSlideDown 0.3s ease;
}
@keyframes timelineSlideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 400px; }
}
.page-news .timeline-details-inner {
  padding: 16px 20px 20px 44px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.page-news .timeline-details-inner p {
  margin: 0 0 16px;
}
.page-news .timeline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

/* ===== 品牌动态 ===== */
.page-news .brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .brand-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  min-height: var(--brand-card-min-height);
}
.page-news .brand-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.page-news .brand-card-img-wrap {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-light);
}
.page-news .brand-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.page-news .brand-card:hover .brand-card-img {
  transform: scale(1.05);
}
.page-news .brand-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #e8f5e8 100%);
  transition: background var(--transition-base);
}
.page-news .brand-card:hover .brand-card-img-placeholder {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #d4edd4 100%);
}
.page-news .brand-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 12px;
  padding: 3px 12px;
  background: var(--color-highlight);
  color: var(--color-text);
  font-weight: 600;
  border: none;
  z-index: 2;
}
.page-news .brand-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-news .brand-card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}
.page-news .brand-card-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.page-news .brand-card-meta {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-top: 4px;
  border-top: 1px solid var(--color-border-light);
}

/* ===== 行业观察 ===== */
.page-news .industry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-news .industry-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  min-height: var(--industry-card-min-height);
}
.page-news .industry-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.page-news .industry-card-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-light);
}
.page-news .industry-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.page-news .industry-card:hover .industry-card-img {
  transform: scale(1.05);
}
.page-news .industry-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f0f0 0%, #fff5f5 100%);
  transition: background var(--transition-base);
}
.page-news .industry-card:hover .industry-card-img-placeholder {
  background: linear-gradient(135deg, #fce8e8 0%, #ffebeb 100%);
}
.page-news .industry-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-news .industry-card-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}
.page-news .industry-card-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
  flex: 1;
}
.page-news .industry-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-light);
}
.page-news .industry-date {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ===== CTA 区域 ===== */
.page-news .cta-section {
  padding: 32px 0 56px;
}
.page-news .cta-card {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
.page-news .cta-card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  opacity: 0.08;
  pointer-events: none;
}
.page-news .cta-card::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  border-radius: var(--radius-round);
  background: var(--color-highlight);
  opacity: 0.06;
  pointer-events: none;
}
.page-news .cta-content {
  position: relative;
  z-index: 1;
}
.page-news .cta-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 12px;
}
.page-news .cta-text {
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin: 0 0 24px;
  max-width: 550px;
  line-height: 1.6;
}
.page-news .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 按钮辅助 ===== */
.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  border: 1.5px solid transparent;
  line-height: 1.4;
}
.page-news .btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.page-news .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 2px 12px rgba(46,139,87,0.3);
}
.page-news .btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.page-news .btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 2px 12px rgba(220,20,60,0.3);
}
.page-news .btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.page-news .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}
.page-news .btn-sm {
  padding: 6px 16px;
  font-size: 13px;
}

/* ===== 响应式：平板 ===== */
@media (min-width: 640px) {
  .page-news .news-hero {
    margin: 0 24px 32px;
    min-height: 420px;
    border-radius: var(--radius-xl);
  }
  .page-news .news-hero-content {
    padding: 56px 40px;
  }
  .page-news .timeline {
    padding-left: 40px;
  }
  .page-news .timeline-rail {
    left: 16px;
  }
  .page-news .timeline-summary {
    padding: 20px 24px 20px 0;
    gap: 20px;
  }
  .page-news .timeline-thumb {
    width: 130px;
    height: 96px;
  }
  .page-news .timeline-heading {
    font-size: 21px;
  }
  .page-news .timeline-details-inner {
    padding: 20px 24px 24px 48px;
  }
  .page-news .brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .cta-card {
    padding: 48px 40px;
  }
  .page-news .cta-title {
    font-size: 32px;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 1024px) {
  .page-news .news-hero {
    margin: 0 32px 40px;
    min-height: 460px;
  }
  .page-news .news-hero-content {
    padding: 72px 48px;
  }
  .page-news .section {
    padding: 64px 0;
  }
  .page-news .timeline {
    padding-left: 56px;
  }
  .page-news .timeline-rail {
    left: 22px;
  }
  .page-news .timeline-summary {
    padding: 22px 28px 22px 0;
    gap: 24px;
  }
  .page-news .timeline-thumb {
    width: 160px;
    height: 110px;
  }
  .page-news .timeline-heading {
    font-size: 22px;
  }
  .page-news .timeline-details-inner {
    padding: 22px 28px 28px 52px;
  }
  .page-news .brand-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .page-news .industry-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .page-news .brand-card-img-wrap,
  .page-news .industry-card-img-wrap {
    height: 220px;
  }
  .page-news .cta-card {
    padding: 56px 48px;
    border-radius: var(--radius-xl);
  }
  .page-news .cta-title {
    font-size: 36px;
  }
  .page-news .cta-links {
    gap: 16px;
  }
  .page-news .section-header {
    margin-bottom: 48px;
  }
}

/* ===== 超宽屏微调 ===== */
@media (min-width: 1400px) {
  .page-news .news-hero {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 容器复用 ===== */
.page-news .container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 640px) {
  .page-news .container {
    padding: 0 24px;
  }
}
@media (min-width: 1024px) {
  .page-news .container {
    padding: 0 32px;
  }
}