:root {
  color-scheme: light;
  --paper: #f4f0e5;
  --paper-deep: #e9e2d2;
  --ink: #202522;
  --ink-soft: #515a53;
  --line: #c9c1af;
  --accent: #8a3028;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --sans: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--serif); }
a { color: inherit; }
.site-header { min-height: 72px; padding: 14px max(20px, calc((100vw - 980px) / 2)); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { font: 600 19px/1 var(--serif); letter-spacing: .12em; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.brand span { width: 34px; height: 34px; color: #fff9ef; background: var(--accent); border-radius: 3px; display: grid; place-items: center; }
.reader-link { min-height: 42px; padding: 0 16px; border: 1px solid var(--accent); border-radius: 2px; color: var(--accent); font: 600 13px/40px var(--sans); text-decoration: none; }
main { width: min(780px, calc(100% - 36px)); margin: 0 auto; }
article { padding: clamp(52px, 8vw, 96px) 0 56px; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font: 600 12px/1 var(--sans); letter-spacing: .24em; }
h1 { margin: 0; font: 500 clamp(44px, 8vw, 74px)/1.12 "Kaiti SC", "STKaiti", var(--serif); letter-spacing: .08em; }
.byline { margin: 18px 0 48px; color: var(--ink-soft); letter-spacing: .12em; }
h2 { margin: 48px 0 20px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 22px; letter-spacing: .12em; }
h3 { margin: 0 0 9px; color: var(--accent); font-size: 15px; letter-spacing: .08em; }
p { line-height: 1.9; }
.verses { font-size: clamp(20px, 4vw, 25px); letter-spacing: .09em; }
.verses p { margin: 5px 0; }
.tags { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { padding: 6px 10px; border: 1px solid #52685070; border-radius: 999px; color: #405840; font: 500 12px/1 var(--sans); }
.prose, .guide-grid { color: #3d473f; font-size: 16px; }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.guide-grid div { padding: 20px; background: #fffdf766; border-left: 3px solid #8a302875; }
.guide-grid p { margin: 0; }
.annotations { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.annotations li { padding: 15px 18px; background: var(--paper-deep); display: grid; gap: 7px; }
.annotations strong { color: var(--accent); }
.annotations span { color: var(--ink-soft); line-height: 1.7; }
.source { margin: 32px 0; color: var(--ink-soft); font: 400 12px/1.8 var(--sans); }
.primary-cta { min-height: 52px; padding: 0 22px; color: #fffdf7; background: var(--ink); font: 600 14px/52px var(--sans); letter-spacing: .08em; text-decoration: none; display: inline-block; }
.poem-nav { padding: 26px 0 60px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.poem-nav a:last-child { text-align: right; }
.poem-index { margin: 42px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.poem-index a { padding: 17px 19px; border: 1px solid var(--line); background: #fffdf74f; text-decoration: none; display: grid; grid-template-columns: minmax(110px, .7fr) minmax(100px, .5fr) minmax(0, 1.8fr); gap: 16px; align-items: baseline; }
.poem-index span, .poem-index small { color: var(--ink-soft); }
.poem-index small { line-height: 1.5; }
.lead { color: var(--ink-soft); font-size: 17px; }
footer { padding: 28px 18px; border-top: 1px solid var(--line); color: var(--ink-soft); text-align: center; font-size: 13px; letter-spacing: .14em; }
:focus-visible { outline: 3px solid #8a302866; outline-offset: 3px; }
@media (max-width: 640px) {
  .site-header { padding-inline: 16px; }
  article { padding-top: 48px; }
  .byline { margin-bottom: 36px; }
  .guide-grid { grid-template-columns: 1fr; }
  .poem-index a { grid-template-columns: 1fr auto; }
  .poem-index small { grid-column: 1 / -1; }
}
@media (forced-colors: active) {
  .brand span, .primary-cta { border: 1px solid ButtonText; }
}