/* 沿用站点白底与橙色点缀，导航与阅读入口不采用卡片。 */
.sidebar-nav a,
.sidebar-nav summary,
.markdown-section.blog-home a,
.markdown-section.blog-archive a {
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
  text-overflow: clip;
}
.sidebar-nav > ul { padding: 0; }
.sidebar-nav > ul > li { margin: .2rem 0; }
.sidebar-nav li:hover { transform: none; }
.sidebar-nav a { padding: .5rem 1.25rem; line-height: 1.6; }
.sidebar-nav > ul > li > a { font-weight: 500; }
.sidebar-nav .blog-year-item { padding: 0; margin: .6rem 0; }
.sidebar-nav .blog-year > summary {
  padding: .6rem 1.25rem;
  cursor: pointer;
  color: var(--text-color-secondary);
  font-size: .9rem;
  font-weight: 600;
  list-style-position: inside;
}
.sidebar-nav .blog-year > summary:hover { color: var(--theme-color); }
.sidebar-nav .blog-year > ul { margin: 0; padding: 0; }
.sidebar-nav .blog-year li { margin: 0; padding: 0; }
.sidebar-nav .blog-year a { padding: .5rem 1.25rem .5rem 1.75rem; }
.sidebar-nav .blog-year a[aria-current="page"] { color: var(--theme-color); }
.sidebar-nav summary:focus-visible,
.sidebar-nav a:focus-visible,
.markdown-section.blog-home a:focus-visible,
.markdown-section.blog-archive a:focus-visible {
  outline: 2px solid var(--theme-color);
  outline-offset: 2px;
}
.markdown-section.blog-home h2 { margin-top: 2.25rem; font-size: 1.25rem; }
.markdown-section.blog-home h3 {
  margin: 1.9rem 0 .65rem;
  font-size: 1.5rem;
  line-height: 1.45;
  font-family: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
}
.markdown-section.blog-home h3 a { color: var(--heading-color); font-weight: 600; }
.markdown-section.blog-home h3 a:hover { color: var(--theme-color); }
.markdown-section.blog-home h3 + blockquote {
  padding: 0;
  margin: 0 0 1.75rem;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.markdown-section.blog-home h3 + blockquote p {
  color: var(--text-color-secondary);
  font-size: 1rem;
  font-style: normal;
  text-align: left;
  line-height: 1.85;
}
.markdown-section.blog-home > p:last-of-type { margin-top: 2rem; }
.markdown-section.blog-archive h2 { font-size: 1.3rem; margin-top: 2rem; }
.markdown-section.blog-archive li { margin: .65rem 0; }
@media (max-width: 768px) {
  .content { padding: 1.25rem .75rem; }
  .markdown-section.blog-home,
  .markdown-section.blog-archive { max-width: 100%; padding-left: .5rem; padding-right: .5rem; }
  .markdown-section.blog-home h3 { font-size: 1.3rem; }
}
@media (prefers-reduced-motion: reduce) {
  .sidebar-nav *, .markdown-section.blog-home *, .markdown-section.blog-archive * {
    animation: none !important;
    transition: none !important;
  }
}
/* 月份比年份再进一级，保留无日期文章的原有层级。 */
.sidebar-nav .blog-month-item { padding: 0; margin: .15rem 0; }
.sidebar-nav .blog-month > summary {
  padding: .45rem 1.25rem .45rem 1.75rem;
  color: var(--text-color-secondary);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  list-style-position: inside;
}
.sidebar-nav .blog-month > summary:hover { color: var(--theme-color); }
.sidebar-nav .blog-month > ul { padding: 0; margin: 0; }
.sidebar-nav .blog-month a { padding-left: 2.25rem; }