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

:root {
  --color-primary: #1a3a5c;
  --color-accent:  #c8923a;
  --color-bg:      #f9f7f4;
  --color-card:    #ffffff;
  --color-text:    #2c2c2c;
  --color-muted:   #666;
  --radius:        8px;
  --shadow:        0 2px 8px rgba(0,0,0,0.08);
}

body {
  font-family: Georgia, serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

header {
  background: var(--color-primary);
  color: white;
  padding: 1rem 2rem;
}

nav { display: flex; flex-direction: column; gap: 0.15rem; }

.site-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.site-title:hover { text-decoration: underline; }

.site-sub { font-size: 0.85rem; opacity: 0.8; }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }

footer {
  text-align: center;
  padding: 2rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  border-top: 1px solid #ddd;
  margin-top: 3rem;
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; color: var(--color-primary); }
h2 { font-size: 1.4rem; margin-bottom: 1rem; color: var(--color-primary); }
h3 { font-size: 1.1rem; }

.breadcrumb { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--color-accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.15s, box-shadow 0.15s;
  border-left: 4px solid var(--color-accent);
}

.card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.12); }

.card-title { font-size: 1rem; font-weight: bold; color: var(--color-primary); }
.card-meta  { font-size: 0.8rem; color: var(--color-muted); }
.card-count { font-size: 0.8rem; color: var(--color-accent); font-weight: bold; }

.badge {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  font-family: sans-serif;
}

.page-meta { color: var(--color-muted); font-size: 0.9rem; margin-bottom: 2rem; }

.video-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius);
  background: #eee;
}