/* 只用本机字体。博客响应的 CSP 不允许加载外站字体。 */
:root {
  color-scheme: light dark;
  --bg: light-dark(#f7f5f2, #1c1917);
  --text: light-dark(#1c1917, #fafaf9);
  --muted: light-dark(#57534e, #a8a29e);
  --line: light-dark(#e7e5e4, #44403c);
  --link: light-dark(#9a3412, #fdba74);
  --code: light-dark(#f0eeeb, #292524);
  --card: light-dark(#fffefc, #231f1d);
}
/* 主站是深色还是浅色：后端写在 <html data-scheme> 上，伴读上的按钮也改它。 */
:root[data-scheme='dark'] { color-scheme: dark; }
:root[data-scheme='light'] { color-scheme: light; }
/* 访客在主站固定了深色或浅色：博客跟着走（后端把它写在导航岛上）。 */
:root:has(#myriad-nav[data-scheme='dark']) { color-scheme: dark; }
:root:has(#myriad-nav[data-scheme='light']) { color-scheme: light; }
* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Iowan Old Style", Palatino, "Palatino Linotype", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "PMingLiU", serif;
  line-height: 1.75;
  word-break: break-word;
}
.site-header, main, .site-footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.25rem;
}
/* 左边有主站的导航岛（竖条）：窗口窄到正文会碰上它时，正文往右让；宽了照旧居中。 */
@media (width >= 1078px), (width >= 768px) and (not (pointer: coarse)) {
  .site-header, main, .site-footer {
    margin-left: max(6.5rem, calc((100% - 40rem) / 2));
    margin-right: auto;
  }
}
.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}
.site-title {
  color: inherit;
  font-weight: 600;
  text-decoration: none;
}
nav a { margin-left: 1rem; }
a { color: var(--link); }
img, video, svg { max-width: 100%; height: auto; }
pre, code {
  font-family: ui-monospace, "SFMono-Regular", "Source Han Mono SC", "Noto Sans Mono CJK SC", monospace;
}
pre {
  overflow: auto;
  padding: 0.85rem 1rem;
  background: var(--code);
  border-radius: 6px;
  line-height: 1.5;
}
blockquote {
  margin: 1em 0;
  padding-left: 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
table { border-collapse: collapse; width: 100%; }
th, td {
  border-bottom: 1px solid var(--line);
  padding: 0.35rem 0.5rem;
  text-align: left;
  vertical-align: top;
}
.meta, .posts time { color: var(--muted); font-size: 0.92rem; }
.posts, .terms { list-style: none; padding: 0; }
.posts li, .terms li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.cover img { border-radius: 8px; }
/* 友链：整张卡片可点，窄屏一列，宽了自动排成两列。 */
.friend-links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.85rem;
}
.friend-card {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  height: 100%;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 1px 2px light-dark(rgb(28 25 23 / 0.04), rgb(0 0 0 / 0.2));
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.friend-card:hover, .friend-card:focus-visible {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--link) 45%, var(--line));
  box-shadow: 0 8px 24px -12px light-dark(rgb(28 25 23 / 0.25), rgb(0 0 0 / 0.6));
}
.friend-card:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.friend-avatar {
  flex: none;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
  background: var(--code);
  box-shadow: 0 0 0 1px var(--line);
}
.friend-initial {
  display: grid;
  place-items: center;
  color: var(--link);
  background: color-mix(in srgb, var(--link) 12%, var(--card));
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
}
.friend-body { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.friend-name {
  font-weight: 600;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.18s ease;
}
.friend-card:hover .friend-name { color: var(--link); }
.friend-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}
.friend-host {
  margin-top: 0.15rem;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: 0.75rem;
  opacity: 0.75;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (prefers-reduced-motion: reduce) {
  .friend-card, .friend-name { transition: none; }
  .friend-card:hover, .friend-card:focus-visible { transform: none; }
}
.site-footer { color: var(--muted); font-size: 0.9rem; }