/* ===== 内容日志页面专属样式 ===== */
.page-news {
  --news-primary: #B22222;
  --news-secondary: #1E3A5F;
  --news-accent: #FFD700;
  --news-bg: #FFFFFF;
  --news-bg-alt: #F5F5F0;
  --news-text: #2C2C2C;
  --news-text-light: #6B6B6B;
  --news-border: #D4D4D4;
  --news-shadow: rgba(0,0,0,0.08);
  --news-radius: 2px;
  --news-timeline-line: #1E3A5F;
  --news-dot: #B22222;
  --news-dot-size: 14px;
  --news-card-gap: 32px;
  --news-marker-width: 160px;
  --news-marker-width-m: 100px;
}

.page-news__inner {
  padding-top: 24px;
  padding-bottom: 80px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 面包屑 */
.page-news__breadcrumb {
  margin-bottom: 24px;
  font-size: var(--size-ui, 14px);
  color: var(--news-text-light);
}

/* 页面主标题 */
.page-news__title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 900;
  font-size: var(--size-h1, 32px);
  line-height: 1.2;
  color: var(--news-primary);
  margin: 0 0 12px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-news__title-sub {
  font-size: var(--size-h4, 18px);
  font-weight: 400;
  color: var(--news-text-light);
  font-family: var(--font-body, 'Noto Serif SC', serif);
}

/* 页面描述 */
.page-news__desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 18px);
  line-height: var(--line-body, 1.6);
  color: var(--news-text);
  max-width: 720px;
  margin: 0 0 40px 0;
}

/* ===== 年费提示卡片 ===== */
.page-news__fee-card {
  background: var(--news-bg);
  border: 2px solid var(--news-accent);
  border-radius: var(--news-radius);
  box-shadow: 0 2px 12px var(--news-shadow);
  margin-bottom: 48px;
  padding: 20px 24px;
  position: relative;
}

.page-news__fee-card-inner {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-news__fee-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--news-radius);
}

.page-news__fee-body {
  flex: 1;
  min-width: 0;
}

.page-news__fee-heading {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 900;
  font-size: var(--size-h3, 22px);
  color: var(--news-secondary);
  margin: 0 0 8px 0;
}

.page-news__fee-text {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 16px);
  line-height: var(--line-body, 1.6);
  color: var(--news-text);
  margin: 0;
}

.page-news__fee-link {
  color: var(--news-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.page-news__fee-link:hover {
  color: var(--news-accent);
}

/* ===== 区块标题 ===== */
.page-news__section-heading {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 900;
  font-size: var(--size-h2, 26px);
  color: var(--news-secondary);
  margin: 0 0 8px 0;
  position: relative;
  padding-left: 16px;
  border-left: 4px solid var(--news-primary);
}

.page-news__section-desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 16px);
  color: var(--news-text-light);
  margin: 0 0 32px 0;
  max-width: 680px;
  line-height: 1.6;
}

/* ===== 更新时间轴 ===== */
.page-news__timeline {
  margin-bottom: 64px;
}

.page-news__timeline-axis {
  position: relative;
  padding-left: calc(var(--news-marker-width) + 24px);
}

/* 竖线 */
.page-news__timeline-axis::before {
  content: '';
  position: absolute;
  left: var(--news-marker-width);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--news-timeline-line);
  border-radius: 2px;
  opacity: 0.3;
}

/* 每个条目 */
.page-news__tl-item {
  position: relative;
  margin-bottom: var(--news-card-gap);
  display: flex;
  align-items: flex-start;
}

/* 左侧标记区 */
.page-news__tl-marker {
  position: absolute;
  left: calc(-1 * var(--news-marker-width) - 12px);
  width: var(--news-marker-width);
  text-align: right;
  top: 8px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.page-news__tl-dot {
  display: block;
  width: var(--news-dot-size);
  height: var(--news-dot-size);
  border-radius: 50%;
  background: var(--news-dot);
  border: 2px solid var(--news-bg);
  box-shadow: 0 0 0 2px var(--news-dot);
  flex-shrink: 0;
  margin-left: auto;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: default;
}

.page-news__tl-item:hover .page-news__tl-dot {
  transform: scale(1.3);
  box-shadow: 0 0 0 4px var(--news-dot);
}

.page-news__tl-label {
  font-family: var(--font-ui, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 12px);
  color: var(--news-text-light);
  white-space: nowrap;
  line-height: 1.4;
}

/* 右侧卡片 */
.page-news__tl-card {
  flex: 1;
  min-width: 0;
  padding: 20px 24px;
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  background: var(--news-bg);
  box-shadow: 0 2px 8px var(--news-shadow);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-news__tl-card:hover {
  box-shadow: 0 4px 20px var(--news-shadow);
  border-color: var(--news-primary);
}

.page-news__tl-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news__tl-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--news-radius);
}

.page-news__tl-card-title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: var(--size-h4, 18px);
  color: var(--news-secondary);
  margin: 0;
  line-height: 1.3;
}

.page-news__tl-card-text {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 16px);
  line-height: 1.6;
  color: var(--news-text);
  margin: 0 0 12px 0;
}

.page-news__tl-tag {
  display: inline-block;
  font-family: var(--font-ui, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 12px);
  font-weight: 600;
  color: var(--news-primary);
  background: rgba(178,34,34,0.08);
  padding: 2px 10px;
  border-radius: var(--news-radius);
  letter-spacing: 0.3px;
}

/* ===== 文章索引 ===== */
.page-news__index {
  margin-bottom: 48px;
}

.page-news__index-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-news__index-item {
  border: 1px solid var(--news-border);
  border-radius: var(--news-radius);
  background: var(--news-bg);
  box-shadow: 0 2px 8px var(--news-shadow);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.page-news__index-item:hover {
  box-shadow: 0 4px 20px var(--news-shadow);
  border-color: var(--news-secondary);
}

.page-news__index-item-inner {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
}

.page-news__index-img-wrap {
  flex-shrink: 0;
  width: 200px;
  height: 150px;
  overflow: hidden;
  border-radius: var(--news-radius);
}

.page-news__index-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news__index-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news__index-title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: var(--size-h4, 18px);
  color: var(--news-secondary);
  margin: 0;
  line-height: 1.3;
}

.page-news__index-meta {
  font-family: var(--font-ui, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 12px);
  color: var(--news-text-light);
  letter-spacing: 0.3px;
}

.page-news__index-summary {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 16px);
  line-height: 1.6;
  color: var(--news-text);
  margin: 4px 0 0 0;
}

.page-news__index-badge {
  align-self: flex-start;
  font-family: var(--font-ui, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 12px);
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--news-radius);
  letter-spacing: 0.3px;
}

/* 专栏文章徽标 */
.page-news__index-item:has(.page-news__index-badge:nth-child(1)) .page-news__index-badge {
  background: rgba(178,34,34,0.08);
  color: var(--news-primary);
  border: 1px solid var(--news-primary);
}

/* 更新徽标 */
.page-news__index-item:has(.page-news__index-badge:nth-child(2)) .page-news__index-badge {
  background: rgba(30,58,95,0.08);
  color: var(--news-secondary);
  border: 1px solid var(--news-secondary);
}

/* ===== 页脚注 ===== */
.page-news__footnote {
  padding: 24px;
  background: var(--news-bg-alt);
  border-radius: var(--news-radius);
  border-left: 4px solid var(--news-accent);
  margin-top: 16px;
}

.page-news__footnote-text {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: var(--size-body, 16px);
  line-height: 1.6;
  color: var(--news-text);
  margin: 0;
}

.page-news__footnote-link {
  color: var(--news-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.page-news__footnote-link:hover {
  color: var(--news-accent);
}

/* ===== 响应式：窄屏 ===== */
@media (max-width: 768px) {
  .page-news__inner {
    padding-top: 16px;
    padding-bottom: 48px;
  }

  .page-news__title {
    font-size: 26px;
    flex-direction: column;
    gap: 4px;
  }

  .page-news__title-sub {
    font-size: 16px;
  }

  .page-news__desc {
    font-size: 16px;
    margin-bottom: 28px;
  }

  /* 年费卡片 */
  .page-news__fee-card {
    padding: 16px 18px;
  }

  .page-news__fee-card-inner {
    flex-direction: column;
    gap: 12px;
  }

  .page-news__fee-icon {
    width: 48px;
    height: 48px;
  }

  .page-news__fee-heading {
    font-size: 20px;
  }

  .page-news__fee-text {
    font-size: 15px;
  }

  /* 时间轴移动端适配 */
  .page-news__timeline-axis {
    padding-left: 0;
  }

  .page-news__timeline-axis::before {
    left: 18px;
    opacity: 0.2;
  }

  .page-news__tl-item {
    flex-direction: column;
    gap: 8px;
    padding-left: 48px;
    position: relative;
  }

  .page-news__tl-marker {
    position: static;
    width: auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
  }

  .page-news__tl-dot {
    position: absolute;
    left: 10px;
    top: 18px;
    width: 16px;
    height: 16px;
    margin-left: 0;
  }

  .page-news__tl-label {
    font-size: 11px;
    white-space: normal;
    text-align: left;
  }

  .page-news__tl-card {
    padding: 16px 18px;
  }

  .page-news__tl-card-head {
    gap: 10px;
  }

  .page-news__tl-icon {
    width: 32px;
    height: 32px;
  }

  .page-news__tl-card-title {
    font-size: 17px;
  }

  .page-news__tl-card-text {
    font-size: 15px;
  }

  /* 文章索引移动端 */
  .page-news__index-item-inner {
    flex-direction: column;
    padding: 16px 18px;
  }

  .page-news__index-img-wrap {
    width: 100%;
    height: 180px;
  }

  .page-news__index-title {
    font-size: 17px;
  }

  .page-news__index-summary {
    font-size: 15px;
  }

  .page-news__footnote {
    padding: 18px 20px;
  }

  .page-news__footnote-text {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .page-news__fee-card {
    padding: 12px 16px;
  }

  .page-news__tl-card {
    padding: 14px 16px;
  }

  .page-news__tl-card-title {
    font-size: 16px;
  }

  .page-news__index-item-inner {
    padding: 12px 16px;
  }

  .page-news__index-img-wrap {
    height: 140px;
  }
}