:root {
  color-scheme: light;
  --background: #fff;
  --text: #243e36;
  --muted: #626e68;
  --line: #d7e0da;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", "SimSun", serif;
  color: var(--text);
  background: var(--background);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 8px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--text); outline-offset: 6px; }
a:hover { color: #527363; }
.page { width: min(1296px, 86%); margin: 0 auto; }
.skip-link { position: absolute; top: -100px; left: 20px; background: white; padding: 12px; z-index: 1; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 0 24px; border-bottom: 1px solid var(--line); }
.site-name { font-size: 34px; font-weight: 700; letter-spacing: 2px; text-decoration: none; }
nav { display: flex; gap: 64px; font-size: 24px; }
nav a { text-decoration: none; }
.intro { padding: 50px 0 48px; border-bottom: 1px solid var(--line); }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(42px, 5.3vw, 80px); line-height: 1.4; font-weight: 600; letter-spacing: 2px; }
.intro p { margin-top: 28px; font-size: 26px; line-height: 1.8; color: var(--muted); }
.reading-link { display: inline-block; margin-top: 30px; font-size: 27px; }
.about { display: grid; grid-template-columns: 27.5% 1fr; padding: 36px 0; border-bottom: 1px solid var(--line); }
h2 { font-size: 32px; font-weight: 500; line-height: 1.5; }
.about p { font-size: 23px; color: var(--muted); line-height: 1.85; }
.notes { padding: 26px 0 46px; }
.notes h2 { margin-bottom: 8px; }
.entries { border: 1px solid var(--line); border-radius: 3px; }
details + details { border-top: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 30px; cursor: pointer; list-style: none; font-size: 23px; line-height: 1.2; }
summary::-webkit-details-marker { display: none; }
summary:hover { background: #f6f8f6; }
summary svg { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform 160ms; }
details[open] summary svg { transform: rotate(180deg); }
.entry-body { max-width: 900px; padding: 6px 30px 24px; font-size: 19px; line-height: 1.9; color: var(--muted); }
.entry-body p + p { margin-top: 12px; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); padding: 20px 0 36px; color: var(--muted); font-size: 21px; line-height: 1.6; }
.site-footer a { text-decoration: none; }
.site-info { display: flex; flex-direction: column; gap: 6px; }
.registration { font-size: 14px; }
section { scroll-margin-top: 24px; }
@media (max-width: 700px) {
  .page { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 18px; padding: 24px 0 20px; }
  .site-name { font-size: 25px; }
  nav { font-size: 17px; gap: 30px; }
  .intro { padding: 38px 0; }
  h1 { font-size: clamp(29px, 7.5vw, 46px); letter-spacing: 0; line-height: 1.6; }
  .intro p { margin-top: 22px; font-size: 18px; }
  .reading-link { margin-top: 24px; font-size: 19px; }
  .about { grid-template-columns: 1fr; gap: 16px; padding: 28px 0; }
  h2 { font-size: 25px; }
  .about p { font-size: 18px; }
  .notes { padding: 24px 0 32px; }
  .notes h2 { margin-bottom: 14px; }
  summary { font-size: 17px; padding: 18px 14px; line-height: 1.6; }
  .entry-body { padding: 4px 14px 20px; font-size: 17px; }
  .site-footer { font-size: 14px; gap: 12px; padding: 18px 0 26px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  summary svg { transition: none; }
}