/* 文章与周报共用的阅读样式，放在页面主题之后加载。 */
.prose {
  --reading-border: color-mix(in srgb, var(--text) 13%, var(--bg));
  --reading-surface: color-mix(in srgb, var(--text) 3%, var(--bg));
  --reading-code-bg: #f6f8fa;
  overflow-wrap: anywhere;
}

[data-theme="dark"] .prose {
  --reading-code-bg: #0d1117;
}

.prose h2 {
  margin-top: 60px;
  padding-top: 0;
  border-top: 0;
  line-height: 1.5;
}

.prose h3 { margin-top: 40px; line-height: 1.6; }
.prose > :first-child { margin-top: 0; }

.prose a {
  padding: 0;
  border: 0;
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent);
  text-underline-offset: .2em;
  transition: text-decoration-color 120ms ease;
}

.prose a:hover {
  padding: 0;
  background: transparent;
  color: var(--accent);
  text-decoration-color: currentColor;
  transform: none;
}

.prose blockquote {
  margin: 30px 0;
  padding: 16px 20px;
  border: 0;
  border-left: 3px solid color-mix(in srgb, var(--accent) 55%, var(--bg));
  background: var(--reading-surface);
  box-shadow: none;
  color: var(--muted);
  font-style: normal;
  font-weight: 400;
}

.prose blockquote > :last-child { margin-bottom: 0; }
.prose blockquote::before, .prose pre::before { content: none; }

.prose :not(pre) > code {
  padding: .15em .35em;
  background: var(--reading-surface);
  border-radius: 4px;
}

.prose .code-block {
  margin: 30px 0;
  border: 1px solid var(--reading-border);
  border-radius: 6px;
  background: var(--reading-code-bg);
  color: var(--text);
  box-shadow: none;
}

.prose .code-head {
  min-height: 40px;
  height: auto;
  padding: 4px 16px;
  border-bottom: 1px solid var(--reading-border);
  background: var(--reading-surface);
  color: var(--muted);
  font-size: 12px;
}

.prose .copy-code {
  min-height: 32px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
}

.prose .copy-code:hover { background: var(--reading-border); color: var(--text); }

.prose pre {
  max-width: 100%;
  margin: 30px 0;
  padding: 20px;
  border: 1px solid var(--reading-border);
  border-radius: 6px;
  box-shadow: none;
  background: var(--reading-code-bg);
  color: var(--text);
  overflow-x: auto;
  overflow-wrap: normal;
  white-space: pre;
  tab-size: 4;
  font-size: 13px;
  line-height: 1.8;
}

.prose .code-block pre { margin: 0; border: 0; border-radius: 0; }
.prose pre code { padding: 0; background: transparent; font-size: inherit; line-height: inherit; }

.prose .table-scroll {
  max-width: 100%;
  margin: 30px 0;
  overflow-x: auto;
}

.prose table {
  display: table;
  width: 100%;
  margin: 30px 0;
  border: 1px solid var(--reading-border);
  border-collapse: collapse;
  background: var(--bg);
  box-shadow: none;
  font-size: 14px;
  line-height: 1.75;
}

.prose .table-scroll table { margin: 0; }

.prose :is(th, td) {
  min-width: 7rem;
  padding: 12px 16px;
  border: 1px solid var(--reading-border);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--reading-surface);
  color: var(--text);
  font-weight: 600;
  text-transform: none;
}

.prose :is(img, img:hover) {
  border: 0;
  border-radius: 4px;
  box-shadow: none;
  transform: none;
  transition: none;
}

.prose :is(pre, .table-scroll) { scrollbar-width: thin; scrollbar-color: var(--reading-border) transparent; }
.prose :is(pre, .table-scroll)::-webkit-scrollbar { height: 8px; }
.prose :is(pre, .table-scroll)::-webkit-scrollbar-track { border: 0; background: transparent; }
.prose :is(pre, .table-scroll)::-webkit-scrollbar-thumb { border: 0; border-radius: 4px; background: var(--reading-border); }
.prose :is(pre, .table-scroll):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (max-width: 760px) {
  .prose h2 { margin-top: 48px; font-size: 25px; }
  .prose blockquote { padding: 14px 16px; }
  .prose pre { padding: 16px; }
  .prose :is(th, td) { padding: 10px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .prose a { transition: none; }
}