/* ===== 页面专属：品牌日志 ===== */
.page-news {
  --page-news-accent-gradient: linear-gradient(135deg, var(--c-accent-red), var(--c-accent-gold));
  --page-news-card-border: linear-gradient(135deg, rgba(230,57,70,0.4), rgba(0,180,216,0.4));
  --page-news-glow: 0 0 20px rgba(230,57,70,0.15);
  --page-news-narrow-max: 800px;
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-sm);
  font-size: var(--caption);
  color: var(--c-text-secondary);
}
.page-news__breadcrumb-link {
  color: var(--c-accent-blue);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news__breadcrumb-link:hover {
  color: var(--c-accent-gold);
}
.page-news__breadcrumb-sep {
  color: var(--c-text-secondary);
  opacity: 0.5;
}
.page-news__breadcrumb-current {
  color: var(--c-text);
  font-weight: 600;
}

/* ---------- 标题区 ---------- */
.page-news__hero {
  position: relative;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-lg);
  overflow: hidden;
}
.page-news__hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(230,57,70,0.08), transparent 70%);
  pointer-events: none;
}
.page-news__hero-deco {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--page-news-accent-gradient);
  opacity: 0.3;
}
.page-news__hero-title {
  font-family: var(--font-heading);
  font-size: var(--h1);
  font-weight: 900;
  color: var(--c-text);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
  line-height: 1.1;
  position: relative;
}
.page-news__hero-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--page-news-accent-gradient);
  margin-top: var(--space-md);
  border-radius: 2px;
}
.page-news__hero-desc {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--c-text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin: 0 0 var(--space-lg);
}
.page-news__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.page-news__hero-meta .b-tag {
  background: var(--c-glass);
  color: var(--c-text);
  border: 1px solid var(--c-glass-border);
  padding: 4px 14px;
  font-size: var(--caption);
  letter-spacing: 0.02em;
}

/* ---------- 通用章节 ---------- */
.page-news__section-title {
  font-family: var(--font-heading);
  font-size: var(--h3);
  font-weight: 800;
  color: var(--c-text);
  margin: 0 0 var(--space-xs);
  letter-spacing: -0.01em;
  position: relative;
}
.page-news__section-title--center {
  text-align: center;
}
.page-news__section-sub {
  font-family: var(--font-body);
  font-size: var(--body);
  color: var(--c-text-secondary);
  margin: 0 0 var(--space-lg);
  line-height: 1.5;
}
.page-news__section-sub--center {
  text-align: center;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 宽窄容器 ---------- */
.page-news__container-narrow {
  max-width: var(--page-news-narrow-max);
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 最新动态：左右分栏 ---------- */
.page-news__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

/* ---------- 文章列表 ---------- */
.page-news__list-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.page-news__list-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--c-bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--c-glass-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.page-news__list-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--page-news-card-border);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  opacity: 0.5;
  transition: opacity var(--transition);
}
.page-news__list-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--page-news-glow);
  border-color: rgba(230,57,70,0.2);
}
.page-news__list-item:hover::before {
  opacity: 1;
}
.page-news__list-img {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.page-news__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__list-body {
  min-width: 0;
}
.page-news__list-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}
.page-news__date {
  font-size: var(--caption);
  color: var(--c-text-secondary);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.page-news__date--lg {
  font-size: var(--body);
  color: var(--c-accent-gold);
}
.page-news__list-title {
  font-family: var(--font-heading);
  font-size: var(--h4);
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 var(--space-xs);
  line-height: 1.3;
  transition: color var(--transition);
}
.page-news__list-item:hover .page-news__list-title {
  color: var(--c-accent-gold);
}
.page-news__list-summary {
  font-size: calc(var(--body) - 2px);
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.page-news__list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.page-news__list-tags .b-tag {
  font-size: calc(var(--caption) - 1px);
  padding: 2px 10px;
  background: var(--c-glass);
  color: var(--c-text-secondary);
}

/* ---------- 特色卡片 ---------- */
.page-news__featured-col {
  position: relative;
}
.page-news__featured-card {
  background: var(--c-bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-glass-border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.page-news__featured-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--page-news-card-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.page-news__featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(230,57,70,0.18);
}
.page-news__featured-card:hover::before {
  opacity: 1;
}
.page-news__featured-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}
.page-news__featured-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(transparent, var(--c-bg-secondary));
  pointer-events: none;
}
.page-news__featured-pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.page-news__featured-card:hover .page-news__featured-pic {
  transform: scale(1.03);
}
.page-news__featured-body {
  padding: var(--space-lg) var(--space-md) var(--space-md);
}
.page-news__featured-title {
  font-family: var(--font-heading);
  font-size: var(--h4);
  font-weight: 800;
  color: var(--c-text);
  margin: var(--space-sm) 0 var(--space-sm);
  line-height: 1.3;
}
.page-news__featured-summary {
  font-size: var(--body);
  color: var(--c-text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.page-news__featured-footer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ---------- 行业观察 ---------- */
.page-news__insights {
  position: relative;
}
.page-news__insights::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-accent-red), transparent);
  opacity: 0.15;
}
.page-news__insight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.page-news__insight-card {
  background: var(--c-bg-secondary);
  border-radius: var(--radius);
  padding: var(--space-lg);
  border: 1px solid var(--c-glass-border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.page-news__insight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--page-news-accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.page-news__insight-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.page-news__insight-card:hover::before {
  opacity: 1;
}
.page-news__insight-card-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,0.06), transparent 70%);
  pointer-events: none;
}
.page-news__insight-title {
  font-family: var(--font-heading);
  font-size: calc(var(--h4) - 2px);
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 var(--space-sm);
  line-height: 1.3;
  position: relative;
}
.page-news__insight-text {
  font-size: var(--body);
  color: var(--c-text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
}
.page-news__insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.page-news__insight-tags .b-tag {
  background: var(--c-glass);
  color: var(--c-accent-blue);
  border: 1px solid var(--c-glass-border);
  font-size: var(--caption);
  padding: 2px 12px;
}

/* ---------- 内容索引 ---------- */
.page-news__index {
  position: relative;
}
.page-news__index::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-accent-blue), transparent);
  opacity: 0.1;
}
.page-news__tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--c-glass-border);
}
.page-news__filter-btn {
  cursor: pointer;
  background: var(--c-glass);
  color: var(--c-text-secondary);
  border: 1px solid transparent;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--caption);
  font-weight: 600;
  transition: all var(--transition);
  user-select: none;
}
.page-news__filter-btn:hover {
  color: var(--c-text);
  border-color: var(--c-accent-blue);
  background: rgba(0,180,216,0.1);
}
.page-news__filter-btn[aria-selected="true"] {
  color: var(--c-text);
  background: var(--c-accent-red);
  border-color: var(--c-accent-red);
  box-shadow: 0 0 12px rgba(230,57,70,0.25);
}
.page-news__filter-btn[aria-selected="true"]:hover {
  background: var(--c-accent-red);
  border-color: var(--c-accent-red);
}
.page-news__index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.page-news__index-group {
  padding: var(--space-md);
  background: var(--c-bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--c-glass-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-news__index-group:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.page-news__index-group-title {
  font-family: var(--font-heading);
  font-size: var(--h4);
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.page-news__index-count {
  font-family: var(--font-body);
  font-size: var(--caption);
  font-weight: 400;
  color: var(--c-text-secondary);
  background: var(--c-glass);
  padding: 2px 10px;
  border-radius: 12px;
}
.page-news__index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}
.page-news__index-item {
  font-size: calc(var(--body) - 1px);
  color: var(--c-text-secondary);
  padding: var(--space-xs) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: color var(--transition);
  cursor: default;
}
.page-news__index-item:hover {
  color: var(--c-text);
}
.page-news__index-bullet {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent-blue);
  flex-shrink: 0;
  opacity: 0.5;
}
.page-news__index-footnote {
  font-size: var(--caption);
  color: var(--c-text-secondary);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--c-glass-border);
  text-align: center;
}
.page-news__link {
  color: var(--c-accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}
.page-news__link:hover {
  color: var(--c-accent-gold);
  text-decoration: underline;
}

/* ---------- 引导区 ---------- */
.page-news__cta {
  text-align: center;
}
.page-news__cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}
.page-news__cta-text {
  font-family: var(--font-heading);
  font-size: var(--h3);
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
  line-height: 1.3;
}
.page-news__cta-btn {
  text-decoration: none;
  padding: 12px 36px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* ===== 滚动显现 ===== */
.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-news [data-reveal-visible] {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 响应式：768px+ ===== */
@media (min-width: 768px) {
  .page-news__split {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__list-item {
    grid-template-columns: 100px 1fr;
    padding: var(--space-lg);
  }
  .page-news__list-img {
    width: 100px;
    height: 75px;
  }
  .page-news__featured-img {
    height: 220px;
  }
  .page-news__insight-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__index-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== 响应式：1024px+ ===== */
@media (min-width: 1024px) {
  .page-news__split {
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-xl);
  }
  .page-news__list-col {
    gap: var(--space-lg);
  }
  .page-news__featured-img {
    height: 250px;
  }
  .page-news__featured-body {
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
  }
  .page-news__insight-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-news__insight-card {
    padding: var(--space-xl);
  }
  .page-news__index-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news__index-list {
    grid-template-columns: 1fr;
  }
  .page-news__hero-title {
    font-size: var(--h1);
  }
  .page-news__hero-desc {
    font-size: calc(var(--body) + 2px);
  }
}

/* ===== 响应式：1280px+ ===== */
@media (min-width: 1280px) {
  .page-news__split {
    grid-template-columns: 1.5fr 1fr;
    gap: calc(var(--space-xl) * 1.5);
  }
  .page-news__index-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
  .page-news__index-list {
    grid-template-columns: 1fr;
  }
}

/* ===== 文章列表项窄屏适配 ===== */
@media (max-width: 480px) {
  .page-news__list-item {
    grid-template-columns: 1fr;
  }
  .page-news__list-img {
    width: 100%;
    height: 120px;
  }
  .page-news__list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .page-news__featured-img {
    height: 160px;
  }
  .page-news__index-list {
    grid-template-columns: 1fr;
  }
  .page-news__hero-title {
    font-size: calc(var(--h1) * 0.8);
  }
  .page-news__section-title {
    font-size: calc(var(--h3) * 0.85);
  }
}