/* ===== 品牌更新页专属样式 .page-news ===== */
.page-news {
  --slant-angle: 8deg;
  --timeline-dot-size: 44px;
  --timeline-line-color: var(--color-accent, #00FF88);
  --card-slant: 4px;
  display: block;
  width: 100%;
}

/* ---- 首屏斜切 ---- */
.page-news .slant-hero {
  position: relative;
  background: var(--gradient-primary, linear-gradient(135deg, #0044CC, #002266));
  padding: 3rem 0 4rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--slant-angle) * 2), 0 100%);
  margin-bottom: 2.5rem;
  color: var(--color-white, #FFFFFF);
}

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

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  opacity: 0.85;
}

.page-news .breadcrumb a {
  color: var(--color-white, #FFFFFF);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition-fast, 0.2s);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  opacity: 0.7;
  text-decoration: none;
}

.page-news .breadcrumb-sep {
  font-size: 1.1rem;
  line-height: 1;
}

.page-news .hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: var(--font-head-weight, 900);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  word-break: break-word;
}

.page-news .hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  max-width: 640px;
  line-height: 1.6;
  opacity: 0.92;
  margin: 0;
}

/* ---- 主内容区布局 ---- */
.page-news .updates-core {
  padding-top: 0.5rem;
  padding-bottom: 1.5rem;
}

.page-news .updates-layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ---- 左侧时间线 ---- */
.page-news .timeline-column {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  counter-reset: node-counter;
}

.page-news .timeline-column::before {
  content: '';
  position: absolute;
  top: calc(var(--timeline-dot-size) / 2);
  left: calc(var(--timeline-dot-size) / 2);
  width: 3px;
  height: calc(100% - var(--timeline-dot-size));
  background: var(--timeline-line-color);
  border-radius: 2px;
  opacity: 0.5;
  transform: translateX(-50%);
}

/* 斜线装饰（节点之间） */
.page-news .timeline-slant {
  display: none;
}

.page-news .timeline-node {
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  counter-increment: node-counter;
}

.page-news .node-marker {
  flex-shrink: 0;
  width: var(--timeline-dot-size);
  height: var(--timeline-dot-size);
  border-radius: 50%;
  background: var(--timeline-line-color);
  color: var(--color-neutral-dark, #1A1A1A);
  font-weight: var(--font-head-weight, 900);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  cursor: pointer;
  transition: transform var(--transition-fast, 0.2s), box-shadow var(--transition-fast, 0.2s);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.15);
}

.page-news .node-marker:hover,
.page-news .node-marker:focus-visible {
  transform: scale(1.12);
  box-shadow: 0 0 0 6px rgba(0, 255, 136, 0.3);
}

.page-news .node-content {
  flex: 1;
  min-width: 0;
}

.page-news .node-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: var(--font-head-weight, 900);
  margin: 0 0 0.5rem;
  color: var(--color-primary, #0044CC);
  line-height: 1.2;
}

.page-news .node-img-wrap {
  margin: 0.5rem 0 0.6rem;
  border-radius: var(--radius-card, 8px);
  overflow: hidden;
  background: var(--color-neutral-light, #F2F2F2);
  max-width: 280px;
}

.page-news .node-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-news .timeline-node:last-child .node-img-wrap {
  max-width: 220px;
}

.page-news .timeline-node:last-child .node-img {
  aspect-ratio: 1 / 1;
}

.page-news .node-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-neutral-dark, #1A1A1A);
  margin: 0 0 0.6rem;
  opacity: 0.85;
}

/* ---- 进度条 ---- */
.page-news .progress-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  flex-wrap: wrap;
}

.page-news .progress-label {
  font-weight: 600;
  min-width: 5em;
  color: var(--color-neutral-dark, #1A1A1A);
}

.page-news .progress-track {
  flex: 1;
  min-width: 80px;
  height: 6px;
  background: var(--color-neutral-light, #F2F2F2);
  border-radius: 4px;
  overflow: hidden;
}

.page-news .progress-fill {
  display: block;
  height: 100%;
  background: var(--timeline-line-color);
  border-radius: 4px;
  transition: width 0.6s ease;
}

.page-news .progress-num {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary, #0044CC);
  min-width: 2.4em;
  text-align: right;
}

/* ---- 右侧详细说明卡片 ---- */
.page-news .details-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-news .detail-card {
  position: relative;
  background: var(--color-white, #FFFFFF);
  border-radius: var(--radius-card, 8px);
  padding: 1.5rem 1.5rem 1.5rem 0;
  box-shadow: var(--shadow-card, 0 4px 16px rgba(0,0,0,0.08));
  border-left: 4px solid var(--color-primary, #0044CC);
  transition: transform var(--transition-med, 0.35s), box-shadow var(--transition-med, 0.35s);
  /* 切角效果 */
  clip-path: polygon(0 0, calc(100% - var(--card-slant) * 2) 0, 100% var(--card-slant), 100% calc(100% - var(--card-slant)), calc(100% - var(--card-slant) * 2) 100%, 0 100%);
}

.page-news .detail-card:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.page-news .card-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 4px;
  background: var(--color-secondary, #FF6600);
  border-radius: 0 2px 0 0;
}

.page-news .card-title {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: var(--font-head-weight, 900);
  color: var(--color-primary, #0044CC);
  margin: 0 0 0.75rem;
  padding-right: 1rem;
}

.page-news .card-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-neutral-dark, #1A1A1A);
  margin: 0 0 1rem;
  padding-right: 1rem;
  opacity: 0.88;
}

.page-news .card-link-wrap {
  padding-right: 1rem;
}

.page-news .card-link-wrap .btn {
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
}

/* ---- 行业观察 ---- */
.page-news .industry-section {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  border-top: 2px dashed var(--color-accent, #00FF88);
  margin-top: 1rem;
}

.page-news .industry-intro {
  margin-bottom: 1.75rem;
}

.page-news .industry-heading {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: var(--font-head-weight, 900);
  color: var(--color-primary, #0044CC);
  margin: 0 0 0.3rem;
}

.page-news .industry-sub {
  font-size: 0.95rem;
  color: var(--color-neutral-dark, #1A1A1A);
  opacity: 0.7;
  margin: 0;
}

.page-news .industry-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.page-news .industry-item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--color-neutral-light, #F2F2F2);
  border-radius: var(--radius-card, 8px);
  cursor: pointer;
  transition: background var(--transition-fast, 0.2s), transform var(--transition-fast, 0.2s);
  border-left: 3px solid transparent;
}

.page-news .industry-item:hover,
.page-news .industry-item:focus-visible {
  background: #e8eef7;
  transform: translateX(4px);
}

.page-news .industry-item[aria-selected="true"] {
  border-left-color: var(--color-secondary, #FF6600);
  background: #f0f5ff;
}

.page-news .item-num {
  font-weight: var(--font-head-weight, 900);
  font-size: 1.1rem;
  color: var(--color-primary, #0044CC);
  opacity: 0.6;
  min-width: 1.8em;
}

.page-news .item-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-neutral-dark, #1A1A1A);
  flex: 1;
}

.page-news .item-desc {
  width: 100%;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-neutral-dark, #1A1A1A);
  opacity: 0.82;
  margin: 0.3rem 0 0 2.3rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--color-accent, #00FF88);
  padding: 0.4rem 0.6rem;
  background: rgba(0, 255, 136, 0.06);
  border-radius: 0 4px 4px 0;
}

.page-news .industry-item[aria-selected="false"] .item-desc {
  display: none;
}

.page-news .industry-image-wrap {
  border-radius: var(--radius-card, 8px);
  overflow: hidden;
  background: var(--color-neutral-light, #F2F2F2);
  max-width: 100%;
}

.page-news .industry-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ---- 底部引导 ---- */
.page-news .cta-section {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.page-news .cta-inner {
  background: var(--gradient-primary, linear-gradient(135deg, #0044CC, #002266));
  border-radius: var(--radius-card, 8px);
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--color-white, #FFFFFF);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--card-slant) * 2), calc(100% - var(--card-slant) * 2) 100%, 0 100%);
}

.page-news .cta-title {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: var(--font-head-weight, 900);
  margin: 0 0 0.6rem;
}

.page-news .cta-text {
  font-size: 0.95rem;
  max-width: 580px;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
  line-height: 1.6;
}

.page-news .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: center;
}

.page-news .cta-links .btn {
  padding: 0.55rem 1.8rem;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition-fast, 0.2s), box-shadow var(--transition-fast, 0.2s);
}

.page-news .cta-links .btn:hover,
.page-news .cta-links .btn:focus-visible {
  transform: scale(1.04);
}

.page-news .cta-links .btn-primary {
  background: var(--color-white, #FFFFFF);
  color: var(--color-primary, #0044CC);
  border-color: var(--color-white, #FFFFFF);
}

.page-news .cta-links .btn-primary:hover {
  background: transparent;
  color: var(--color-white, #FFFFFF);
  border-color: var(--color-white, #FFFFFF);
}

.page-news .cta-links .btn-secondary {
  background: transparent;
  color: var(--color-white, #FFFFFF);
  border-color: var(--color-secondary, #FF6600);
}

.page-news .cta-links .btn-secondary:hover {
  background: var(--color-secondary, #FF6600);
  color: var(--color-white, #FFFFFF);
}

/* ---- 响应式：平板及桌面 ---- */
@media (min-width: 768px) {
  .page-news .slant-hero {
    padding: 4rem 0 5.5rem;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
  }

  .page-news .updates-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }

  .page-news .timeline-column {
    flex: 0 0 44%;
    max-width: 520px;
  }

  .page-news .details-column {
    flex: 1;
    min-width: 0;
    padding-top: 1rem;
  }

  .page-news .detail-card {
    padding: 1.75rem 2rem 1.75rem 0;
  }

  .page-news .industry-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .page-news .industry-item .item-desc {
    margin-left: 2.3rem;
  }

  .page-news .cta-inner {
    padding: 3rem 3rem;
  }
}

@media (min-width: 1024px) {
  .page-news .timeline-column {
    flex: 0 0 46%;
    max-width: 560px;
  }

  .page-news .industry-list {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-news .industry-item {
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem 1.2rem;
  }

  .page-news .industry-item .item-desc {
    margin-left: 0;
    width: 100%;
  }
}

/* ---- 交互增强：悬停卡片显示更多细节（利用额外数据属性） ---- */
.page-news .detail-card[data-expand="more"] .card-text::after {
  content: " →";
  color: var(--color-secondary, #FF6600);
  font-weight: 700;
}

/* ---- 确保所有图片响应式 ---- */
.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---- 辅助隐藏 ---- */
.page-news .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- 容器复用（与全局保持一致） ---- */
.page-news .container {
  max-width: var(--container-max, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ---- 按钮样式（作用域内微调） ---- */
.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--transition-fast, 0.2s), color var(--transition-fast, 0.2s), border-color var(--transition-fast, 0.2s), transform var(--transition-fast, 0.2s);
}

.page-news .btn-sm {
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
}

.page-news .btn-primary {
  background: var(--color-primary, #0044CC);
  color: var(--color-white, #FFFFFF);
}

.page-news .btn-primary:hover {
  background: var(--color-primary-dark, #002266);
}

.page-news .btn-secondary {
  background: var(--color-secondary, #FF6600);
  color: var(--color-white, #FFFFFF);
}

.page-news .btn-secondary:hover {
  background: #e55a00;
}

/* ---- 卡片基类补充 ---- */
.page-news .card {
  background: var(--color-white, #FFFFFF);
  border-radius: var(--radius-card, 8px);
  box-shadow: var(--shadow-card, 0 4px 16px rgba(0,0,0,0.08));
}

/* ---- 移动端斜切微调 ---- */
@media (max-width: 767px) {
  .page-news .slant-hero {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
  }

  .page-news .node-img-wrap {
    max-width: 100%;
  }

  .page-news .timeline-node:last-child .node-img-wrap {
    max-width: 100%;
  }

  .page-news .cta-inner {
    clip-path: none;
    border-radius: var(--radius-card, 8px);
  }
}