@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/dm-serif-display-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'DM Serif Display';
  src: url('/assets/fonts/dm-serif-display-latin-400-italic.woff2') format('woff2');
  font-weight: 400; font-style: italic; font-display: swap;
}

:root {
  --black: #111110;
  --ink: #2B2A27;
  --white: #FAF9F6;
  --gold: #C8862A;
  --gray: #6B6B6B;
  --gray-light: #E8E6E0;
  --serif: 'DM Serif Display', 'Songti SC', 'STSong', 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --measure: 660px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* 顶部 */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 4rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.logo {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--black);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.site-header nav { display: flex; gap: 2.2rem; }
.site-header nav a {
  font-size: 0.85rem;
  color: var(--gray);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color .2s;
}
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { color: var(--black); }

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 4.5rem 0 3rem;
}

/* 页头 */
.page-head { margin-bottom: 3.2rem; }
.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}
.page-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.35;
  color: var(--black);
  margin-top: .6rem;
}
.page-sub { color: var(--gray); font-size: .9rem; margin-top: .3rem; }

/* 文章 */
.post-date {
  font-size: 0.8rem;
  color: var(--gray);
  letter-spacing: 0.06em;
  margin-bottom: .5rem;
}
.post-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.85rem;
  line-height: 1.4;
  color: var(--black);
  margin-bottom: 1.6rem;
  letter-spacing: .01em;
}
h1.post-title { font-size: 2.2rem; }
.post-title a { text-decoration: none; transition: color .2s; }
.post-title a:hover { color: var(--gold); }

.post-body > * + * { margin-top: 1.15em; }
.post-body p { letter-spacing: .02em; }
.post-body a { color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(200,134,42,.35); }
.post-body a:hover { border-bottom-color: var(--gold); }
.post-body strong { color: var(--black); font-weight: 600; }
.post-body h2, .post-body h3, .post-body h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--black);
  line-height: 1.5;
  margin-top: 2em;
}
.post-body h2 { font-size: 1.35rem; }
.post-body h3 { font-size: 1.15rem; }
.post-body h4 { font-size: 1rem; }
.post-body ul, .post-body ol { padding-left: 1.4em; }
.post-body li + li { margin-top: .35em; }
.post-body blockquote {
  border-left: 2px solid var(--gold);
  padding: .1em 0 .1em 1.2em;
  color: var(--gray);
}
.post-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.8em auto;
  /* 让截图的白底融进米白色背景；照片颜色几乎不受影响 */
  mix-blend-mode: multiply;
}
.post-body hr { border: 0; border-top: 1px solid var(--gray-light); margin: 2.4em 0; }
.post-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .88em;
  background: #F0EEE8;
  padding: .1em .35em;
  border-radius: 3px;
}
.post-body pre { background: #F0EEE8; padding: 1em 1.2em; overflow-x: auto; border-radius: 4px; line-height: 1.6; }
.post-body pre code { background: none; padding: 0; }
.post-body mark { background: rgba(232,168,74,.28); color: inherit; padding: 0 .1em; }
.post-body table { border-collapse: collapse; width: 100%; font-size: .92em; margin: 1.6em 0; }
.post-body th, .post-body td { border-bottom: 1px solid var(--gray-light); padding: .55em .8em; text-align: left; vertical-align: top; }
.post-body th { font-weight: 600; color: var(--black); border-bottom: 1.5px solid var(--black); }
.post-body td:first-child { color: var(--gray); white-space: nowrap; }
.post-body th:first-child, .post-body td:first-child { padding-left: 0; }

.divider {
  width: 24px;
  height: 2px;
  background: var(--gold);
  margin: 4rem 0;
}

.more { margin-top: 4rem; }
.more a, .pager a { text-decoration: none; }
.more a {
  font-size: .85rem;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  letter-spacing: .05em;
}

/* 上一篇 / 下一篇 */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}
.pager a { display: block; font-family: var(--serif); color: var(--black); line-height: 1.5; font-size: 1rem; }
.pager a:hover { color: var(--gold); }
.pager span { display: block; font-family: var(--sans); font-size: .75rem; color: var(--gray); letter-spacing: .08em; margin-bottom: .3rem; }
.pager .newer { text-align: right; }

/* 归档 */
.archive-month + .archive-month { margin-top: 2.8rem; }
.archive-month h2 {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--gray);
  font-weight: 500;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--gray-light);
  margin-bottom: .4rem;
}
.archive-month ul { list-style: none; }
.archive-month li { display: flex; gap: 1.4rem; padding: .55rem 0; align-items: baseline; }
.archive-month time { font-size: .8rem; color: var(--gray); font-variant-numeric: tabular-nums; flex-shrink: 0; width: 2.8rem; }
.archive-month a { text-decoration: none; color: var(--black); font-family: var(--serif); font-size: 1.05rem; line-height: 1.5; }
.archive-month a:hover { color: var(--gold); }

.empty { color: var(--gray); }

/* 底部 */
.site-footer {
  max-width: var(--measure);
  margin: 2rem auto 0;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--gray-light);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .78rem;
  color: var(--gray);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--black); }

@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .site-header { padding: 1.1rem 1.25rem; }
  .site-header nav { gap: 1.4rem; }
  main { padding: 2.8rem 1.25rem 2rem; }
  .post-title { font-size: 1.55rem; }
  h1.post-title { font-size: 1.75rem; }
  .divider { margin: 3rem 0; }
  .pager { grid-template-columns: 1fr; gap: 1.4rem; }
  .pager .newer { text-align: left; }
  .site-footer { margin: 1rem 1.25rem 0; flex-direction: column; gap: .5rem; }
}