:root {
  --bg: #0f1419;
  --bg-card: #182029;
  --ink: #e8edf2;
  --muted: #9aa8b5;
  --accent: #7eb6d9;
  --line: #2a3844;
  --glow: #c9a227;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { overflow-x: hidden; }
body {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "Georgia", serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(126, 182, 217, 0.12), transparent 50%),
    radial-gradient(800px 400px at 100% 0%, rgba(201, 162, 39, 0.08), transparent 45%),
    var(--bg);
  color: var(--ink);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-wrap: break-word;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(960px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(720px, calc(100% - 32px)); }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(15, 20, 25, 0.92);
  position: sticky; top: 0;
  z-index: 10;
}
.site-header .wrap, .site-footer .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px 20px;
  flex-wrap: wrap;
  padding: 14px 0;
}
.brand { margin: 0; font-size: 1.15rem; letter-spacing: 0.12em; }
.brand a { color: var(--ink); }
nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
nav a.is-current { color: var(--glow); }
.hero { padding: 64px 0 28px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--glow);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}
h1 { font-weight: 600; font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.3; margin: 0 0 18px; }
h2 { font-weight: 600; font-size: 1.25rem; margin: 2em 0 0.7em; }
.lead, main p, main li { color: var(--muted); }
.lead { font-size: 1.05rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 12px 0 28px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 20px 8px;
  min-width: 0;
}
.card h2 { margin-top: 0; font-size: 1.15rem; color: var(--ink); }
.note { font-size: 0.92rem; color: var(--muted); padding-bottom: 32px; }
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 40px;
}
.site-footer p { margin: 0; }
.site-footer .wrap { justify-content: space-between; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }

.badge {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--glow);
  background: rgba(201, 162, 39, 0.08);
  margin-right: 6px;
}
.badge.trans {
  color: var(--accent);
  background: rgba(126, 182, 217, 0.1);
}

.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 14px;
  margin: 8px 0 36px;
}
.spine {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 210px;
  min-width: 0;
  padding: 16px 12px 14px;
  border-radius: 3px 10px 10px 3px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.28) 0 7px, transparent 7px),
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent 30%),
    var(--spine, var(--bg-card));
}
.spine:hover { text-decoration: none; border-color: var(--accent); }
.spine .spine-title {
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 12px;
}
.spine .spine-meta {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.spine.s1 { --spine: #1d3344; }
.spine.s2 { --spine: #2a2e1f; }
.spine.s3 { --spine: #3a2720; }
.spine.s4 { --spine: #1f2d2a; }
.spine.s5 { --spine: #2c2438; }
.spine.s6 { --spine: #233040; }

.book-table-wrap { overflow-x: auto; max-width: 100%; margin: 8px 0 36px; }
table.books {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 520px;
}
table.books th, table.books td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.books th { color: var(--ink); font-weight: 600; }
table.books td { color: var(--muted); }
table.books td a { color: var(--accent); }

.meta {
  display: grid;
  grid-template-columns: 6em 1fr;
  gap: 6px 12px;
  margin: 0 0 28px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.95rem;
}
.meta dt { margin: 0; color: var(--glow); }
.meta dd { margin: 0; color: var(--muted); min-width: 0; }

.article { padding: 48px 0 16px; }
.sources {
  margin: 36px 0 16px;
  padding: 16px 18px 8px;
  border-top: 1px solid var(--line);
}
.sources h2 { margin-top: 0; }
.sources li { margin-bottom: 8px; }
.back { margin: 24px 0 48px; }

@media (max-width: 640px) {
  .hero { padding: 40px 0 20px; }
  .site-header .wrap, .site-footer .wrap { padding: 12px 0; }
  nav { gap: 6px 14px; font-size: 0.95rem; }
  .shelf { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .meta { grid-template-columns: 1fr; gap: 2px 0; }
  .meta dt { margin-top: 8px; }
  .meta dt:first-child { margin-top: 0; }

  table.books { min-width: 0; }
  table.books thead { display: none; }
  table.books, table.books tbody, table.books tr, table.books td {
    display: block;
    width: 100%;
  }
  table.books tr {
    border-bottom: 1px solid var(--line);
    padding: 12px 0;
  }
  table.books td {
    padding: 2px 0;
    border: 0;
  }
  table.books td:first-child { color: var(--ink); font-weight: 600; }
}