:root {
  --ink: #1c1915;
  --muted: #6f675e;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #e4dcd0;
  --red: #9d2c2a;
  --red-deep: #7d221f;
  --shadow: 0 10px 30px rgba(40, 28, 18, 0.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(157, 44, 42, 0.06), transparent 28%),
    var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 243, 236, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.top-inner { display: flex; align-items: center; gap: 18px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 210px; }
.seal {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--red); color: #fff; font-family: "Songti SC", "STSong", serif;
  font-size: 22px; border-radius: 4px;
}
.brand strong { display: block; font-size: 18px; letter-spacing: 0.04em; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 16px; flex: 1; }
.nav a { text-decoration: none; color: var(--ink); }
.nav a:hover { color: var(--red); }
.search { display: flex; margin-left: auto; }
.search input, .search button, .btn {
  font: inherit; border: 1px solid var(--ink); background: #fff; color: var(--ink);
}
.search input { width: 150px; padding: 7px 10px; border-right: 0; border-radius: 999px 0 0 999px; }
.search button, .btn { padding: 7px 14px; cursor: pointer; text-decoration: none; display: inline-block; }
.search button { border-radius: 0 999px 999px 0; background: var(--ink); color: #fff; }
.menu-btn { display: none; margin-left: auto; border: 1px solid var(--ink); background: #fff; padding: 6px 10px; }
.ad-slot:empty { display: none; }
.ad-slot { margin: 14px auto; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; padding: 28px 0 48px; }
.col, .side { min-width: 0; }
.block-head, .page-head { margin-bottom: 14px; }
.block-head { display: flex; justify-content: space-between; align-items: baseline; }
h1, h2, h3 { font-family: "Songti SC", "STSong", "PMingLiU", serif; font-weight: 600; line-height: 1.35; }
h1 { font-size: 34px; margin: 0 0 8px; }
h2 { font-size: 24px; margin: 0; }
h3 { font-size: 18px; margin: 0 0 10px; }
.eyebrow, .kicker { color: var(--red); letter-spacing: 0.14em; font-size: 12px; margin: 0 0 6px; }
.lede { color: var(--muted); margin: 0; }
.read-board, .feature-board, .latest-board, .widget, .card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
}
.read-board, .feature-board, .latest-board, .widget { padding: 16px 18px; margin-bottom: 16px; }
.feature-grid { display: grid; gap: 12px; }
.card { padding: 14px 16px; }
.card h2 { font-size: 20px; }
.card a { text-decoration: none; }
.card a:hover { color: var(--red); }
.excerpt { color: var(--muted); margin: 8px 0 0; }
.title-list, .link-list, .side-list { list-style: none; margin: 0; padding: 0; }
.title-list li, .link-list li, .side-list li { border-top: 1px solid var(--line); }
.title-list a, .link-list a, .side-list a { display: block; padding: 10px 0; text-decoration: none; }
.title-list a:hover, .link-list a:hover, .side-list a:hover { color: var(--red); }
.side { position: sticky; top: 90px; align-self: start; }
.widget { border-top: 3px solid var(--red); }
.cat-stack { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-stack a { text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; background: #fff; }
.pager { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.pager a, .pager span { min-width: 36px; text-align: center; text-decoration: none; border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px; background: #fff; }
.pager .on { background: var(--ink); color: #fff; }
.crumbs { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.crumbs a { color: var(--red-deep); }
.article-head { margin-bottom: 16px; }
.prose { font-size: 17px; }
.prose p { margin: 0 0 1em; }
.prose h2, .prose h3 { margin: 1.2em 0 0.5em; }
.prose img { border-radius: 10px; }
.empty, .muted { color: var(--muted); }
.foot { border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--muted); }
.friends { margin-bottom: 16px; }
.friends ul { display: flex; flex-wrap: wrap; gap: 8px 16px; list-style: none; padding: 0; margin: 8px 0 0; }
.friends a { color: var(--red-deep); }
.foot-inner { display: flex; justify-content: space-between; gap: 12px; }
.foot-links { display: flex; gap: 12px; }
.foot-links a { color: var(--muted); }
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .nav, .search { display: none; }
  body.nav-open .nav, body.nav-open .search {
    display: flex; position: absolute; left: 0; right: 0; top: 74px;
    background: var(--paper); padding: 12px 16px; border-bottom: 1px solid var(--line);
  }
  body.nav-open .nav { flex-direction: column; }
  body.nav-open .search { top: auto; }
  .top-inner { min-height: 64px; }
  .layout, .foot-inner { grid-template-columns: 1fr; display: block; }
  .side { position: static; }
  h1 { font-size: 28px; }
  .search { width: calc(100% - 32px); }
  .search input { flex: 1; }
}