/* ===== 页面专属：news 品牌动态 ===== */
.page-news {
  --news-accent: #FF6B35;
  --news-blue: #1B3A5E;
  --news-gold: #D4AF37;
  --news-bg-card: #FFFFFF;
  --news-text: #1A1A1A;
  --news-muted: #666666;
  --news-border: #D9D9D9;
  --news-glass-bg: rgba(255, 255, 255, 0.65);
  --news-glass-border: rgba(255, 255, 255, 0.4);
  --news-radius: 16px;
  --news-radius-sm: 10px;
  --news-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --news-shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
  --news-transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* 滚动进度条 */
.page-news .progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-border, #D9D9D9);
  z-index: 1001;
  pointer-events: none;
}
.page-news .progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--news-accent);
  transition: width 0.1s linear;
}

/* 面包屑 */
.page-news .breadcrumb {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 16px 20px 0;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 14px;
  font-weight: 300;
  color: var(--news-muted);
  letter-spacing: 0.02em;
}
.page-news .breadcrumb a {
  color: var(--news-muted);
  text-decoration: none;
  transition: color var(--news-transition);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus {
  color: var(--news-accent);
  outline: 2px solid var(--news-accent);
  outline-offset: 2px;
}
.page-news .breadcrumb .sep {
  margin: 0 8px;
  color: var(--news-border);
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--news-text);
  font-weight: 700;
}

/* 顶部氛围横幅 */
.page-news .news-hero {
  position: relative;
  width: 100%;
  max-width: var(--container-max, 1200px);
  margin: 0 auto 20px;
  border-radius: var(--news-radius);
  overflow: hidden;
  aspect-ratio: 1920 / 400;
  min-height: 200px;
}
.page-news .news-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.page-news .news-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news .news-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, rgba(27,58,94,0.75) 0%, rgba(27,58,94,0.3) 100%);
  padding: 20px;
  text-align: center;
}
.page-news .news-hero-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 64px);
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 8px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.page-news .news-hero-subtitle {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: clamp(14px, 2vw, 18px);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.06em;
  margin: 0;
}

/* 通用板块标题 */
.page-news .section-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 40px);
  color: var(--news-text);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-news .gold-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--news-gold);
  border-radius: 50%;
  flex-shrink: 0;
}
.page-news .section-desc {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 16px;
  color: var(--news-muted);
  line-height: 1.6;
  margin: 0 0 32px;
  max-width: 640px;
}

/* 内容容器 */
.page-news .content-container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 0 20px;
}

/* ----- 官方说明 (宽松叙事) ----- */
.page-news .news-official {
  padding: 48px 0 32px;
}
.page-news .official-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-news .official-card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: var(--news-glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--news-glass-border);
  border-radius: var(--news-radius);
  overflow: hidden;
  box-shadow: var(--news-shadow);
  transition: box-shadow var(--news-transition), transform var(--news-transition);
}
.page-news .official-card:hover,
.page-news .official-card:focus-within {
  box-shadow: var(--news-shadow-hover);
  transform: translateY(-2px);
}
.page-news .official-card-img {
  flex: 0 0 200px;
  min-height: 140px;
  overflow: hidden;
}
.page-news .official-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-news .official-card:hover .official-card-img img {
  transform: scale(1.03);
}
.page-news .official-card-body {
  flex: 1;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page-news .official-tag {
  display: inline-block;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--news-accent);
  background: rgba(255,107,53,0.10);
  padding: 2px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
  width: fit-content;
}
.page-news .official-card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--news-text);
  line-height: 1.2;
  margin: 0 0 8px;
}
.page-news .official-card-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 15px;
  color: var(--news-muted);
  line-height: 1.6;
  margin: 0 0 12px;
  max-width: 600px;
}
.page-news .btn-secondary.btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--news-accent);
  background: transparent;
  border: 1.5px solid var(--news-accent);
  border-radius: 30px;
  padding: 6px 18px;
  text-decoration: none;
  transition: background var(--news-transition), color var(--news-transition);
  width: fit-content;
  cursor: pointer;
}
.page-news .btn-secondary.btn-sm:hover,
.page-news .btn-secondary.btn-sm:focus {
  background: var(--news-accent);
  color: #FFFFFF;
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,107,53,0.3);
}

/* ----- 行业观察 (密集索引 · 卡片网格) ----- */
.page-news .news-insights {
  padding: 48px 0 32px;
  background: rgba(245,240,235,0.4);
}
.page-news .insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.page-news .insight-card {
  display: flex;
  flex-direction: column;
  background: var(--news-bg-card);
  border-radius: var(--news-radius);
  overflow: hidden;
  box-shadow: var(--news-shadow);
  transition: box-shadow var(--news-transition), transform var(--news-transition);
}
.page-news .insight-card:hover,
.page-news .insight-card:focus-within {
  box-shadow: var(--news-shadow-hover);
  transform: translateY(-3px);
}
.page-news .insight-card-img {
  width: 100%;
  aspect-ratio: 600 / 400;
  overflow: hidden;
}
.page-news .insight-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-news .insight-card:hover .insight-card-img img {
  transform: scale(1.03);
}
.page-news .insight-card-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.page-news .insight-meta {
  margin-bottom: 8px;
}
.page-news .insight-category {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--news-gold);
  background: rgba(212,175,55,0.10);
  padding: 2px 12px;
  border-radius: 20px;
}
.page-news .insight-card-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--news-text);
  line-height: 1.2;
  margin: 0 0 8px;
}
.page-news .insight-card-text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 14px;
  color: var(--news-muted);
  line-height: 1.6;
  margin: 0 0 auto;
  flex: 1;
}
.page-news .insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.page-news .tag {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 12px;
  color: var(--news-blue);
  background: rgba(27,58,94,0.06);
  padding: 3px 12px;
  border-radius: 16px;
  border: 1px solid rgba(27,58,94,0.12);
  transition: background var(--news-transition), color var(--news-transition);
  cursor: default;
}
.page-news .tag:hover {
  background: var(--news-blue);
  color: #FFFFFF;
}

/* ----- 内容索引 (图文混合) ----- */
.page-news .news-index {
  padding: 48px 0 60px;
}
.page-news .index-wrapper {
  display: flex;
  flex-direction: row;
  gap: 40px;
  align-items: flex-start;
  background: var(--news-glass-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--news-glass-border);
  border-radius: var(--news-radius);
  padding: 32px 36px;
  box-shadow: var(--news-shadow);
}
.page-news .index-visual {
  flex: 0 0 280px;
  border-radius: var(--news-radius-sm);
  overflow: hidden;
}
.page-news .index-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--news-radius-sm);
  transition: transform 0.4s ease;
}
.page-news .index-visual img:hover {
  transform: scale(1.02);
}
.page-news .index-list {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.page-news .index-group {
  break-inside: avoid;
}
.page-news .index-group-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: 16px;
  color: var(--news-blue);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--news-gold);
  display: inline-block;
}
.page-news .index-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-news .index-link {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 14px;
  color: var(--news-text);
  text-decoration: none;
  padding: 4px 0 4px 16px;
  border-left: 2px solid transparent;
  transition: border-color var(--news-transition), color var(--news-transition), padding-left var(--news-transition);
  display: block;
}
.page-news .index-link:hover,
.page-news .index-link:focus {
  color: var(--news-accent);
  border-left-color: var(--news-accent);
  padding-left: 20px;
  outline: none;
}

/* 返回顶部 */
.page-news .scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--news-blue);
  color: #FFFFFF;
  border: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: opacity var(--news-transition), transform var(--news-transition), background var(--news-transition);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-news .scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.page-news .scroll-top:hover,
.page-news .scroll-top:focus {
  background: var(--news-accent);
  outline: 2px solid var(--news-accent);
  outline-offset: 3px;
}

/* ===== 响应式 ===== */
/* 移动端优先 (默认即移动适配) */
@media (max-width: 767px) {
  .page-news .breadcrumb {
    padding: 12px 16px 0;
    font-size: 12px;
  }

  .page-news .news-hero {
    margin: 0 12px 16px;
    border-radius: 12px;
    aspect-ratio: auto;
    min-height: 160px;
  }
  .page-news .news-hero-title {
    font-size: clamp(24px, 8vw, 36px);
  }
  .page-news .news-hero-subtitle {
    font-size: 13px;
  }

  .page-news .content-container {
    padding: 0 16px;
  }
  .page-news .section-title {
    font-size: clamp(20px, 6vw, 28px);
  }
  .page-news .section-desc {
    font-size: 14px;
    margin-bottom: 24px;
  }

  /* 官方说明卡片纵向 */
  .page-news .official-card {
    flex-direction: column;
  }
  .page-news .official-card-img {
    flex: 0 0 180px;
    width: 100%;
  }
  .page-news .official-card-body {
    padding: 18px 20px;
  }
  .page-news .official-card-title {
    font-size: 17px;
  }
  .page-news .official-card-text {
    font-size: 14px;
  }

  /* 行业观察单列 */
  .page-news .insights-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .page-news .insight-card-body {
    padding: 16px 18px 20px;
  }
  .page-news .insight-card-title {
    font-size: 16px;
  }

  /* 内容索引堆叠 */
  .page-news .index-wrapper {
    flex-direction: column;
    padding: 24px 20px;
    gap: 24px;
  }
  .page-news .index-visual {
    flex: 0 0 auto;
    width: 100%;
    max-width: 300px;
  }
  .page-news .index-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 返回顶部缩小 */
  .page-news .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 18px;
  }
}

/* 平板及桌面 */
@media (min-width: 768px) and (max-width: 1023px) {
  .page-news .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .index-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .official-card-img {
    flex: 0 0 160px;
  }
}

/* 大桌面微调 */
@media (min-width: 1024px) {
  .page-news .news-official {
    padding: 60px 0 40px;
  }
  .page-news .news-insights {
    padding: 60px 0 40px;
  }
  .page-news .news-index {
    padding: 60px 0 80px;
  }
  .page-news .insights-grid {
    gap: 28px;
  }
}

/* 宽屏超大容器 */
@media (min-width: 1280px) {
  .page-news .content-container {
    padding: 0 0;
  }
}

/* 键盘焦点全局 */
.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 3px solid var(--news-accent);
  outline-offset: 2px;
}

/* 图片响应式保证 */
.page-news .img-responsive {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 禁止水平溢出 */
.page-news {
  overflow-x: hidden;
  width: 100%;
}