:root {
  --brand: #173f4d;
  --brand-2: #245f6f;
  --accent: #c97838;
  --bg: #f4f1ea;
  --panel: rgba(255, 255, 255, 0.88);
  --text: #1d2328;
  --muted: #5f6c75;
  --border: rgba(29, 35, 40, 0.12);
}

body {
  background:
    radial-gradient(circle at top left, rgba(255, 244, 228, 0.95), transparent 34%),
    radial-gradient(circle at top right, rgba(203, 225, 231, 0.55), transparent 30%),
    linear-gradient(180deg, #faf8f4 0%, var(--bg) 100%);
  color: var(--text);
}

#container .inner {
  max-width: min(1400px, 94vw);
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0 0.75rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.15rem;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-brand:hover {
  text-decoration: none;
}

.site-brand-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-nav a,
.site-footer-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.site-nav a:hover,
.site-footer-links a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(23, 63, 77, 0.12);
  background: rgba(255, 255, 255, 0.95);
}

.site-nav a[aria-current="page"] {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  border-color: transparent;
}

.page-title {
  margin: 1rem 0 1.2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
  color: var(--brand);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
}

#main_content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.6rem 1.75rem;
  box-shadow: 0 26px 64px rgba(23, 63, 77, 0.08);
  backdrop-filter: blur(8px);
  font-size: 1.04rem;
  line-height: 1.68;
}

#main_content img {
  display: block;
  height: auto;
  margin: 1.25rem auto;
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(23, 63, 77, 0.12);
}

#main_content p,
#main_content li,
#main_content blockquote,
#main_content dl {
  max-width: 78ch;
}

#main_content img {
  max-width: min(100%, 920px);
}

#main_content h2,
#main_content h3,
#main_content h4 {
  color: var(--brand);
}

#main_content a {
  color: #0f6476;
}

footer {
  margin-top: 1.5rem;
  padding: 1rem 0 1.8rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.site-footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer-note {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  #main_content {
    padding: 1.25rem 1rem;
  }

  .page-title {
    margin-top: 0.75rem;
  }

  .site-header {
    align-items: flex-start;
  }
}