@import url('https://fonts.googleapis.com/css2?family=Spectral:wght@400;600&family=Noto+Serif+SC:wght@400;600&display=swap');

:root {
  --paper: #f6f2ea;
  --ink: #1f1f1f;
  --muted: #5b5b5b;
  --accent: #2b5f4b;
  --accent-2: #b5763c;
  --card: #ffffff;
  --line: rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Spectral", "Noto Serif SC", serif;
  background: radial-gradient(circle at top, #fffaf0 0%, var(--paper) 35%, #efe7dc 100%);
  color: var(--ink);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  color: var(--ink);
}

.nav a {
  margin-left: 16px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
}

.hero {
  display: grid;
  gap: 24px;
  padding: 48px 0 24px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--card);
  padding: 24px;
  margin: 20px 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.card h2 {
  margin-top: 0;
  color: var(--accent);
}

.grid {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 18px;
}

.grid a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px dashed transparent;
}

.grid a:hover {
  color: var(--accent-2);
  border-color: var(--accent-2);
}

.page {
  padding: 36px 0 60px;
}

.page h1 {
  margin-bottom: 6px;
}

.page h2 {
  margin-top: 28px;
  color: var(--accent);
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.related {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px 16px;
}

.related a {
  text-decoration: none;
  color: var(--accent);
}

.site-footer {
  padding: 24px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

@media (max-width: 720px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .hero {
    padding-top: 28px;
  }
}