.page-news {
  --news-accent: var(--accent-gold, #FFD700);
  --news-primary: var(--primary-green, #00A878);
  --news-secondary: var(--secondary-blue, #0066CC);
  --news-bg-dark: var(--bg-dark, #0D1B2A);
  --news-bg-light: var(--bg-light, #F4F9F9);
  --news-text-dark: var(--text-dark, #1A1A2E);
  --news-text-light: var(--text-light, #EAEAEA);
  --news-neutral: var(--neutral-gray, #B0B0B0);
  --news-header-height: 80px;
  --news-timeline-width: 48px;

  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--news-bg-light);
  color: var(--news-text-dark);
  font-family: 'Geometria', 'Montserrat', 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--news-neutral);
  padding: 16px 20px 0;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-news .breadcrumb a {
  color: var(--news-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}
.page-news .breadcrumb a:hover {
  color: var(--news-primary);
}
.page-news .breadcrumb-sep {
  color: var(--news-neutral);
  user-select: none;
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--news-text-dark);
  font-weight: 600;
}

/* ===== 页面头部 ===== */
.page-news .news-header {
  padding: 20px 20px 32px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}
.page-news .news-header h1 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(2.2rem, 10vw, 4.5rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--news-text-dark);
  margin: 12px 0 8px;
  line-height: 1.05;
  position: relative;
  display: inline-block;
}
.page-news .news-header h1::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 60%;
  height: 6px;
  background: var(--news-primary);
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0% 100%);
  opacity: 0.35;
  pointer-events: none;
}
.page-news .news-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.2rem);
  color: var(--news-neutral);
  max-width: 640px;
  margin-top: 8px;
  font-weight: 400;
}

/* ===== 时间线区域 ===== */
.page-news .timeline-section {
  background: var(--news-bg-dark);
  color: var(--news-text-light);
  padding: 40px 20px 56px;
  position: relative;
  overflow: hidden;
}
.page-news .timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 35%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(0,168,120,0.08) 100%);
  pointer-events: none;
}
.page-news .timeline-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  max-width: 1280px;
  margin: 0 auto 36px;
  width: 100%;
  box-sizing: border-box;
  flex-wrap: wrap;
}
.page-news .timeline-header h2 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--news-accent);
  margin: 0;
  line-height: 1.1;
}
.page-news .timeline-badge {
  display: inline-block;
  background: var(--news-accent);
  color: var(--news-text-dark);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  white-space: nowrap;
}
.page-news .timeline-container {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-news .timeline-deco {
  display: none;
}

/* ===== 时间线节点 ===== */
.page-news .timeline-node {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  position: relative;
  padding-left: calc(var(--news-timeline-width) + 16px);
}
.page-news .node-connector {
  position: absolute;
  left: 0;
  top: 6px;
  width: var(--news-timeline-width);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.page-news .node-dot {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--news-accent);
  box-shadow: 0 0 0 4px rgba(255,215,0,0.25), 0 0 20px rgba(255,215,0,0.15);
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-news .timeline-node:hover .node-dot {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px rgba(255,215,0,0.35), 0 0 30px rgba(255,215,0,0.25);
}
.page-news .node-body {
  flex: 1;
  min-width: 0;
}
.page-news .node-time {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--news-accent);
  font-weight: 700;
  background: rgba(255,215,0,0.1);
  padding: 2px 10px;
  border-left: 3px solid var(--news-accent);
  margin-bottom: 6px;
}
.page-news .node-title {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(1.1rem, 3.5vw, 1.5rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 4px 0 6px;
  line-height: 1.2;
}
.page-news .node-summary {
  font-size: 0.92rem;
  color: var(--news-text-light);
  opacity: 0.85;
  margin: 0 0 10px;
  max-width: 600px;
}
.page-news .node-image {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 8px 0;
  object-fit: cover;
  display: block;
}
.page-news .node-details {
  margin-top: 4px;
  font-size: 0.88rem;
  color: var(--news-text-light);
  opacity: 0.75;
}
.page-news .node-details summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--news-accent);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 0;
  transition: opacity 0.3s ease;
  list-style: none;
}
.page-news .node-details summary::-webkit-details-marker {
  display: none;
}
.page-news .node-details summary::before {
  content: '▶';
  font-size: 0.6rem;
  transition: transform 0.3s ease;
  display: inline-block;
  margin-right: 4px;
}
.page-news .node-details[open] summary::before {
  transform: rotate(90deg);
}
.page-news .node-details summary:hover {
  opacity: 0.8;
}
.page-news .node-details p {
  margin: 10px 0 0;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-left: 2px solid var(--news-accent);
  border-radius: 0 4px 4px 0;
}

/* ===== 时间线连接 ===== */
.page-news .timeline-connect {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  padding-left: calc(var(--news-timeline-width) + 16px);
  margin: 4px 0 4px 4px;
  height: 32px;
  position: relative;
}
.page-news .connect-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--news-secondary);
  opacity: 0.5;
  transform: rotate(-12deg);
  transform-origin: left center;
}
.page-news .connect-arrow {
  font-size: 1.4rem;
  color: var(--news-accent);
  opacity: 0.6;
  line-height: 1;
  transform: translateY(2px);
}

/* ===== 内容更新索引 ===== */
.page-news .content-index {
  padding: 48px 20px 56px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-news .index-header {
  margin-bottom: 36px;
}
.page-news .index-header h2 {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--news-text-dark);
  margin: 0 0 8px;
  display: inline-block;
  position: relative;
}
.page-news .index-header h2::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 80%;
  height: 5px;
  background: var(--news-primary);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0% 100%);
  opacity: 0.3;
}
.page-news .index-intro {
  font-size: 1rem;
  color: var(--news-neutral);
  max-width: 560px;
  margin: 8px 0 0;
}
.page-news .index-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-news .index-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  padding: 22px 24px;
  border-radius: 0;
  position: relative;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0% 100%);
}
.page-news .index-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--news-primary);
  opacity: 0.3;
  transition: opacity 0.3s ease;
}
.page-news .index-card:hover {
  transform: translateX(6px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}
.page-news .index-card:hover::before {
  opacity: 1;
}
.page-news .card-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  object-fit: contain;
  background: var(--news-bg-light);
  border-radius: 4px;
  padding: 4px;
}
.page-news .card-title {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--news-text-dark);
  margin: 0 0 6px;
  line-height: 1.2;
}
.page-news .card-desc {
  font-size: 0.9rem;
  color: var(--news-neutral);
  margin: 0 0 10px;
  line-height: 1.5;
}
.page-news .card-link {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--news-secondary);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.3s ease;
}
.page-news .card-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--news-secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.page-news .card-link:hover {
  color: var(--news-primary);
}
.page-news .card-link:hover::after {
  transform: scaleX(1);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news .news-header {
    padding: 28px 40px 36px;
  }
  .page-news .breadcrumb {
    padding: 20px 40px 0;
  }
  .page-news .timeline-section {
    padding: 48px 40px 64px;
  }
  .page-news .timeline-container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0;
    align-items: flex-start;
    position: relative;
    padding-left: 80px;
  }
  .page-news .timeline-deco {
    display: block;
    position: absolute;
    left: 0;
    top: 20px;
    width: 200px;
    height: 600px;
    object-fit: cover;
    object-position: left center;
    opacity: 0.15;
    pointer-events: none;
    max-width: none;
  }
  .page-news .timeline-node {
    width: 100%;
    padding-left: 56px;
    margin-bottom: 12px;
    position: relative;
  }
  .page-news .node-connector {
    left: 0;
    width: 40px;
    top: 8px;
  }
  .page-news .node-dot {
    width: 22px;
    height: 22px;
  }
  .page-news .node-body {
    max-width: 680px;
  }
  .page-news .node-title {
    font-size: 1.5rem;
  }
  .page-news .timeline-connect {
    width: 100%;
    padding-left: 56px;
    margin: 0 0 8px 0;
    height: 40px;
    position: relative;
  }
  .page-news .connect-line {
    width: 40px;
    transform: rotate(-8deg);
  }
  .page-news .connect-arrow {
    font-size: 1.8rem;
  }

  .page-news .content-index {
    padding: 60px 40px 72px;
  }
  .page-news .index-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }
  .page-news .index-card {
    flex: 1 1 calc(33.333% - 20px);
    min-width: 220px;
    flex-direction: column;
    padding: 28px 24px 24px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0% 100%);
  }
  .page-news .index-card::before {
    width: 100%;
    height: 4px;
    bottom: auto;
    right: 0;
    top: 0;
    left: 0;
  }
  .page-news .card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 8px;
  }
  .page-news .index-header h2 {
    font-size: 2.4rem;
  }
  .page-news .timeline-header h2 {
    font-size: 2.6rem;
  }
}

@media (min-width: 1024px) {
  .page-news .news-header {
    padding: 36px 60px 44px;
  }
  .page-news .breadcrumb {
    padding: 24px 60px 0;
  }
  .page-news .timeline-section {
    padding: 56px 60px 72px;
  }
  .page-news .timeline-container {
    padding-left: 120px;
  }
  .page-news .timeline-deco {
    left: 20px;
    opacity: 0.2;
  }
  .page-news .timeline-node {
    padding-left: 72px;
    margin-bottom: 16px;
  }
  .page-news .node-connector {
    width: 48px;
  }
  .page-news .node-dot {
    width: 26px;
    height: 26px;
  }
  .page-news .node-body {
    max-width: 720px;
  }
  .page-news .timeline-connect {
    padding-left: 72px;
    height: 48px;
  }
  .page-news .connect-line {
    width: 48px;
  }
  .page-news .content-index {
    padding: 72px 60px 88px;
  }
  .page-news .index-card {
    padding: 32px 28px 28px;
  }
}