/* ===== 行业观察页面专属样式 ===== */
.page-news {
  --news-hero-bg: var(--color-primary, #0B1D3A);
  --news-card-gap: 24px;
  --news-section-spacing: 64px;
  --news-border-light: rgba(255, 255, 255, 0.12);
  --news-text-muted: rgba(255, 255, 255, 0.7);
  --news-accent-rule: var(--color-accent-orange, #FF6B35);
}

/* ---------- 面包屑 ---------- */
.page-news__breadcrumb-wrap {
  padding: 16px 0 8px;
  background: var(--color-white, #FFFFFF);
  border-bottom: 1px solid var(--color-gray, #F4F4F4);
}
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.7;
}
.page-news .breadcrumb__link {
  color: var(--color-primary, #0B1D3A);
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.2s ease);
}
.page-news .breadcrumb__link:hover {
  opacity: 0.6;
}
.page-news .breadcrumb__sep {
  color: var(--color-border, #E0E0E0);
  user-select: none;
}
.page-news .breadcrumb__current {
  color: var(--color-dark, #1A1A1A);
  font-weight: 500;
}

/* ---------- Hero 区 ---------- */
.page-news__hero {
  background: var(--news-hero-bg);
  color: var(--color-white, #FFFFFF);
  padding: 48px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-news__hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 280px;
  height: 280px;
  background: var(--color-accent-orange, #FF6B35);
  opacity: 0.08;
  border-radius: 50%;
  pointer-events: none;
}
.page-news__hero-number {
  display: block;
  margin-bottom: 8px;
  opacity: 0.5;
  color: var(--color-accent-orange, #FF6B35);
  font-size: 1.6rem;
}
.page-news__title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.page-news__subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  opacity: 0.8;
  max-width: 600px;
  margin: 0;
}

/* ---------- 通用 Section ---------- */
.page-news__section {
  padding: var(--news-section-spacing) 0;
}
.page-news__section--alt {
  background: var(--color-gray, #F4F4F4);
}
.page-news__section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-border, #E0E0E0);
  padding-bottom: 12px;
}
.page-news .section-number {
  font-family: var(--font-mono, "Courier New", Courier, monospace);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent-orange, #FF6B35);
  flex-shrink: 0;
}
.page-news .section-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-dark, #1A1A1A);
  letter-spacing: -0.01em;
}
.page-news__section-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.7;
  margin: -16px 0 28px;
}

/* ---------- 卡片网格 (最新动态) ---------- */
.page-news__card-grid {
  display: flex;
  flex-direction: column;
  gap: var(--news-card-gap);
  margin-bottom: 32px;
}
.page-news__card {
  padding: 24px;
  border-left: 4px solid var(--color-accent-orange, #FF6B35);
  transition: transform var(--transition-med, 0.35s ease), box-shadow var(--transition-med, 0.35s ease);
}
.page-news__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-stack, 0 12px 48px rgba(0,0,0,0.04));
}
.page-news__card .tag {
  display: inline-block;
  margin-bottom: 10px;
}
.page-news__card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--color-dark, #1A1A1A);
}
.page-news__card-text {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.75;
  margin: 0;
}

/* ---------- 图片 & Figure ---------- */
.page-news__figure {
  margin: 0;
  max-width: 100%;
}
.page-news__figure--wide {
  max-width: 100%;
}
.page-news__figure--full {
  max-width: 100%;
}
.page-news__img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  background: var(--color-gray, #F4F4F4);
}
.page-news__figcaption {
  font-size: 0.8rem;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.5;
  margin-top: 6px;
  font-style: italic;
}

/* ---------- 行业趋势布局 ---------- */
.page-news__trends-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.page-news__trends-text p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.85;
  margin: 0 0 16px;
}
.page-news__trends-text p:last-child {
  margin-bottom: 0;
}

/* ---------- 深度文章 ---------- */
.page-news__articles-grid {
  display: flex;
  flex-direction: column;
  gap: var(--news-card-gap);
  margin-bottom: 32px;
}
.page-news__article {
  padding: 24px;
  position: relative;
  transition: transform var(--transition-med, 0.35s ease), box-shadow var(--transition-med, 0.35s ease);
}
.page-news__article:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-stack, 0 12px 48px rgba(0,0,0,0.04));
}
.page-news__article .tag {
  display: inline-block;
  margin-bottom: 10px;
}
.page-news__article-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.page-news__article-link {
  color: var(--color-primary, #0B1D3A);
  text-decoration: none;
  background-image: linear-gradient(var(--color-accent-orange, #FF6B35), var(--color-accent-orange, #FF6B35));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 0 2px;
  transition: background-size var(--transition-med, 0.35s ease);
  padding-bottom: 2px;
}
.page-news__article-link:hover {
  background-size: 100% 2px;
}
.page-news__article-meta {
  font-size: 0.82rem;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.5;
  margin: 0 0 10px;
  font-family: var(--font-mono, "Courier New", Courier, monospace);
}
.page-news__article-excerpt {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-dark, #1A1A1A);
  opacity: 0.75;
  margin: 0 0 14px;
}
.page-news__article-cta {
  color: var(--color-accent-orange, #FF6B35);
  font-size: 0.85rem;
  display: inline-block;
  transition: transform var(--transition-fast, 0.2s ease);
}
.page-news__article:hover .page-news__article-cta {
  transform: translateX(4px);
}

/* ---------- 底部氛围 ---------- */
.page-news__atmosphere {
  padding: 16px 0 48px;
  background: var(--color-primary, #0B1D3A);
}
.page-news__atmosphere .page-news__figcaption {
  color: rgba(255, 255, 255, 0.5);
}
.page-news__atmosphere .page-news__img {
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---------- 入场动画 (滚动触发就绪) ---------- */
@keyframes pageNewsFadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-news [data-scroll-trigger] {
  animation: pageNewsFadeInUp 0.55s ease both;
}
.page-news__card-grid > .page-news__card:nth-child(1),
.page-news__articles-grid > .page-news__article:nth-child(1) {
  animation-delay: 0.05s;
}
.page-news__card-grid > .page-news__card:nth-child(2),
.page-news__articles-grid > .page-news__article:nth-child(2) {
  animation-delay: 0.15s;
}
.page-news__card-grid > .page-news__card:nth-child(3),
.page-news__articles-grid > .page-news__article:nth-child(3) {
  animation-delay: 0.25s;
}

/* ===== 桌面端 (≥768px) ===== */
@media (min-width: 768px) {
  .page-news__hero {
    padding: 72px 0 80px;
  }
  .page-news__hero::after {
    width: 480px;
    height: 480px;
    top: -30%;
    right: -5%;
  }
  .page-news__title {
    font-size: 3.4rem;
  }
  .page-news__subtitle {
    font-size: 1.2rem;
  }
  .page-news__section {
    padding: 80px 0;
  }
  .page-news__section-header {
    margin-bottom: 36px;
    padding-bottom: 16px;
  }
  .page-news .section-title {
    font-size: 2rem;
  }
  .page-news__section-desc {
    font-size: 1.05rem;
    margin: -20px 0 36px;
  }

  /* 卡片网格 → 三列 */
  .page-news__card-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }
  .page-news__card {
    flex: 1 1 calc(33.333% - 16px);
    min-width: 220px;
  }

  /* 趋势区 → 并排 */
  .page-news__trends-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
  .page-news__trends-text {
    flex: 1 1 55%;
  }
  .page-news__trends-text p {
    font-size: 1.05rem;
  }
  .page-news__figure--wide {
    flex: 1 1 45%;
    margin-top: 0;
  }

  /* 文章网格 → 三列 */
  .page-news__articles-grid {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }
  .page-news__article {
    flex: 1 1 calc(33.333% - 16px);
    min-width: 240px;
  }

  /* 底部氛围图限制宽度 */
  .page-news__atmosphere .page-news__figure--full {
    max-width: 70%;
    margin: 0 auto;
  }

  /* 入场动画延迟微调 */
  .page-news__card-grid > .page-news__card:nth-child(1),
  .page-news__articles-grid > .page-news__article:nth-child(1) {
    animation-delay: 0.1s;
  }
  .page-news__card-grid > .page-news__card:nth-child(2),
  .page-news__articles-grid > .page-news__article:nth-child(2) {
    animation-delay: 0.2s;
  }
  .page-news__card-grid > .page-news__card:nth-child(3),
  .page-news__articles-grid > .page-news__article:nth-child(3) {
    animation-delay: 0.3s;
  }
}

/* ===== 大桌面端 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-news__hero {
    padding: 88px 0 96px;
  }
  .page-news__title {
    font-size: 4rem;
  }
  .page-news__subtitle {
    font-size: 1.3rem;
    max-width: 700px;
  }
  .page-news__card {
    padding: 32px;
  }
  .page-news__article {
    padding: 32px;
  }
}