/* ===== page-news 品牌日志页面专属样式 ===== */
.page-news {
  display: block;
  width: 100%;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--body-font, 'PingFang SC', 'Microsoft YaHei UI', sans-serif);
  line-height: 1.6;
  padding: 2rem 1rem 3rem;
  position: relative;
}

.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.page-news__breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s;
}

.page-news__breadcrumb a:hover,
.page-news__breadcrumb a:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.page-news__breadcrumb-sep {
  color: var(--color-secondary);
  font-size: 0.55rem;
  opacity: 0.7;
}

/* 标题区 */
.page-news__header {
  margin-bottom: 3rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 1.25rem;
}

.page-news__title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 0.5rem 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--gradient-nav-highlight, linear-gradient(90deg, #FF6B35, #F9A825));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-news__subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 480px;
  line-height: 1.5;
}

/* 时间线容器 */
.page-news__timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
  padding-left: 2rem;
}

/* 时间线竖线 – 用伪元素实现 */
.page-news__timeline::before {
  content: '';
  position: absolute;
  left: 0.7rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--gradient-border, linear-gradient(180deg, transparent, #2E5BFF, transparent));
  opacity: 0.5;
  border-radius: 1px;
}

/* 卡片 */
.page-news__card {
  position: relative;
  background-color: var(--color-background-dark);
  border: 2px solid var(--color-border);
  border-radius: 0;
  padding: 1.5rem 1.25rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.25s;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
}

.page-news__card:hover,
.page-news__card:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 6px 24px rgba(46, 91, 255, 0.2);
  transform: translateX(4px);
}

.page-news__card--highlight {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 4px 24px rgba(46, 91, 255, 0.25);
  position: relative;
}

.page-news__card--highlight::after {
  content: '';
  position: absolute;
  inset: -3px;
  border: 1px solid var(--color-primary);
  pointer-events: none;
  opacity: 0.3;
  animation: page-news-glow-pulse 2.5s ease-in-out infinite;
}

@keyframes page-news-glow-pulse {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.5; }
}

/* 最新标签 */
.page-news__card-badge {
  position: absolute;
  top: -0.75rem;
  left: -0.25rem;
  background: var(--gradient-primary, linear-gradient(135deg, #FF6B35, #F9A825));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
}

/* 时间线圆点 */
.page-news__card-dot {
  position: absolute;
  left: -2rem;
  top: 2rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid var(--color-background);
  box-shadow: 0 0 0 2px var(--color-primary), 0 0 12px rgba(255, 107, 53, 0.3);
  z-index: 1;
  flex-shrink: 0;
}

.page-news__card--highlight .page-news__card-dot {
  background-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary), 0 0 18px rgba(255, 107, 53, 0.6);
}

/* 卡片内容 */
.page-news__card-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-news__card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-news__card-icon {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  padding: 4px;
  background-color: rgba(15, 26, 46, 0.6);
  flex-shrink: 0;
}

.page-news__card-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-secondary);
  background: rgba(249, 168, 37, 0.1);
  padding: 0.15rem 0.7rem;
  border: 1px solid rgba(249, 168, 37, 0.25);
}

.page-news__card-heading {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.page-news__card-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
  max-width: 620px;
}

/* 卡片内图片 */
.page-news__card-badge-img,
.page-news__card-meta-img,
.page-news__card-guide-img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--color-border);
  background-color: rgba(15, 26, 46, 0.6);
  margin-top: 0.5rem;
}

.page-news__card-badge-img {
  width: 80px;
  height: 80px;
  align-self: flex-start;
}

.page-news__card-meta-img {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
}

.page-news__card-guide-img {
  width: 150px;
  height: 100px;
  align-self: flex-start;
}

/* 卡片元信息 */
.page-news__card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.page-news__card-meta-text {
  font-size: 0.85rem;
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* 卡片操作链接 */
.page-news__card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.page-news__link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.25s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.02em;
}

.page-news__link:hover,
.page-news__link:focus-visible {
  color: var(--color-secondary);
  transform: translateX(3px);
  outline: none;
}

.page-news__link--secondary {
  color: var(--color-text-muted);
  font-weight: 400;
}

.page-news__link--secondary:hover,
.page-news__link--secondary:focus-visible {
  color: var(--color-text);
}

/* 脚注 */
.page-news__footnote {
  margin-top: 3.5rem;
  padding: 1.25rem 1.5rem;
  background-color: var(--color-background-dark);
  border-left: 4px solid var(--color-accent);
}

.page-news__footnote-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
}

.page-news__footnote-text .page-news__link {
  font-size: 0.85rem;
}

/* ===== 移动端优先：窄屏适配 ===== */
@media (max-width: 640px) {
  .page-news {
    padding: 1.25rem 0.75rem 2rem;
  }

  .page-news__header {
    border-left-width: 3px;
    padding-left: 0.75rem;
    margin-bottom: 2rem;
  }

  .page-news__title {
    font-size: 1.8rem;
  }

  .page-news__subtitle {
    font-size: 0.85rem;
  }

  .page-news__timeline {
    padding-left: 1.5rem;
    gap: 1.75rem;
  }

  .page-news__timeline::before {
    left: 0.4rem;
  }

  .page-news__card {
    padding: 1rem 0.9rem;
  }

  .page-news__card-dot {
    left: -1.5rem;
    width: 11px;
    height: 11px;
    top: 1.5rem;
  }

  .page-news__card-heading {
    font-size: 1.1rem;
  }

  .page-news__card-text {
    font-size: 0.85rem;
  }

  .page-news__card-icon {
    width: 40px;
    height: 40px;
  }

  .page-news__card-badge-img {
    width: 60px;
    height: 60px;
  }

  .page-news__card-meta-img {
    width: 48px;
    height: 48px;
  }

  .page-news__card-guide-img {
    width: 120px;
    height: 80px;
  }

  .page-news__card-actions {
    flex-direction: column;
    gap: 0.6rem;
  }

  .page-news__footnote {
    padding: 1rem 1rem;
    margin-top: 2.5rem;
  }

  .page-news__footnote-text {
    font-size: 0.8rem;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 768px) {
  .page-news__card {
    padding: 2rem 2rem 1.75rem;
  }

  .page-news__card-heading {
    font-size: 1.5rem;
  }

  .page-news__card-text {
    font-size: 1rem;
  }

  .page-news__card-actions {
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .page-news__timeline {
    padding-left: 3rem;
  }

  .page-news__timeline::before {
    left: 1rem;
  }

  .page-news__card-dot {
    left: -3rem;
    width: 16px;
    height: 16px;
    top: 2.25rem;
  }

  .page-news__card {
    max-width: 780px;
  }

  .page-news__card--highlight {
    max-width: 820px;
  }
}

.page-news {
  --body-font: inherit;
}