:root {
  --bg: #faf8f4;
  --fg: #23262b;
  --muted: #6b7078;
  --line: #e4e0d8;
  --card: #ffffff;
  --accent: #3b6e5a;
  --accent-hover: #2b5444;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --fg: #e6e4df;
    --muted: #9aa0a8;
    --line: #2a2f34;
    --card: #1c2024;
    --accent: #7fb89f;
    --accent-hover: #a3d1bb;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; padding-top: 32px; padding-bottom: 48px; }
.wrap { width: 100%; max-width: 880px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
h1, h2 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 2rem; margin: 0 0 0.4em; }
h2 { font-size: 1.25rem; margin: 0.2em 0 0.3em; }
.lead { font-size: 1.15rem; color: var(--muted); margin-top: 0; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; flex-wrap: wrap; gap: 8px; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; color: var(--accent); }
.nav { display: flex; gap: 20px; }
.nav a { color: var(--muted); font-size: 0.95rem; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--fg); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--accent); }

.hero { position: relative; border-radius: 12px; overflow: hidden; margin-bottom: 32px; background: var(--line); }
.hero img { display: block; width: 100%; height: auto; }
.hero-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 28px 24px; color: #fff; background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0)); }
.hero-text h1 { margin: 0; color: #fff; font-size: 2.1rem; }
.hero-text p { margin: 4px 0 0; opacity: 0.92; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.card-img img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.card-body { padding: 16px 18px 18px; }
.card-body time, .meta { color: var(--muted); font-size: 0.85rem; }
.card-body h2 a { color: var(--fg); }
.card-body h2 a:hover { color: var(--accent); text-decoration: none; }
.card-body p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.archive { list-style: none; padding: 0; margin: 24px 0 0; }
.archive li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; flex-wrap: wrap; }
.archive time { color: var(--muted); min-width: 9.5em; font-size: 0.95rem; }

.post { max-width: 680px; }
.post h1 { margin-top: 0.2em; }
.post-img { display: block; width: 100%; height: auto; border-radius: 10px; margin: 20px 0 24px; }
.crumbs { margin: 0; font-size: 0.9rem; }
.next { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); }
.notfound { text-align: center; padding: 48px 0; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
.footer-inner { display: flex; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  h1 { font-size: 1.6rem; }
  .hero-text h1 { font-size: 1.5rem; }
  .hero-text { padding: 18px; }
}