:root {
  --bg: #f7f8fa; --text: #0f172a; --muted: #475569; --muted-2: #64748b;
  --accent: #0D7377; --accent-dark: #095B5E; --accent-light: #D0ECEE;
  --border: #e2e8f0; --surface: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7; font-size: 17px;
}
.nav-bar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,248,250,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); padding: 12px 0;
}
.nav-bar__inner {
  max-width: 820px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-bar__brand img { height: 26px; width: auto; vertical-align: middle; }
.nav-bar__back { color: var(--accent); text-decoration: none; font-size: 0.875rem; font-weight: 600; }
.nav-bar__back:hover { text-decoration: underline; }

article { max-width: 820px; margin: 0 auto; padding: 48px 24px 64px; }
.breadcrumb { font-size: 0.8rem; color: var(--muted-2); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted-2); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.tag {
  display: inline-block; background: var(--accent-light); color: var(--accent-dark);
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 4px 11px; border-radius: 5px; margin-bottom: 16px;
}
h1 { font-size: 2.2rem; line-height: 1.18; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.lead { font-size: 1.16rem; color: var(--muted); line-height: 1.6; margin-bottom: 36px; }
h2 {
  font-size: 1.45rem; font-weight: 700; margin-top: 44px; margin-bottom: 14px;
  padding-bottom: 8px; border-bottom: 2px solid var(--accent-light);
}
h3 { font-size: 1.1rem; font-weight: 600; margin-top: 28px; margin-bottom: 10px; color: var(--accent-dark); }
p { margin-bottom: 16px; }
ul { margin: 0 0 16px 0; padding-left: 22px; }
li { margin-bottom: 8px; }
a { color: var(--accent); text-underline-offset: 2px; }
strong { color: var(--text); }

.callout {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 18px 22px; margin: 28px 0;
}
.cta {
  margin: 44px 0 8px; padding: 28px 26px; border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: #fff; text-align: center;
}
.cta h2 { color: #fff; border: 0; margin-top: 0; }
.cta p { color: rgba(255,255,255,0.9); }
.cta__btn {
  display: inline-block; margin-top: 10px; background: #fff; color: var(--accent-dark);
  font-weight: 700; text-decoration: none; padding: 12px 22px; border-radius: 10px;
}
.faq dt { font-weight: 700; margin-top: 20px; }
.faq dd { margin: 6px 0 0 0; color: var(--muted); }
footer { max-width: 820px; margin: 0 auto; padding: 24px; color: var(--muted-2); font-size: 0.85rem; border-top: 1px solid var(--border); }

.post-list { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.post-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 22px; text-decoration: none; color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.post-card__date { display: block; font-size: 0.78rem; color: var(--muted-2); margin-bottom: 6px; }
.post-card__title { display: block; font-size: 1.12rem; font-weight: 700; line-height: 1.35; margin-bottom: 8px; color: var(--accent-dark); }
.post-card__excerpt { display: block; font-size: 0.95rem; color: var(--muted); line-height: 1.6; }
.related { margin-top: 32px; }

.press-card {
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent-light);
  border-radius: 14px; padding: 20px 22px; text-decoration: none; color: inherit;
  transition: border-left-color 0.15s ease, transform 0.15s ease;
}
.press-card:hover { border-left-color: var(--accent); transform: translateY(-2px); }
.press-card__source {
  display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--muted-2); margin-bottom: 8px;
}

.nav-bar__links { display: flex; align-items: center; gap: 18px; }
.nav-bar__links a { color: var(--muted); text-decoration: none; font-size: 0.875rem; font-weight: 600; }
.nav-bar__links a:hover { color: var(--accent); }
.nav-bar__links .nav-bar__back { color: var(--accent); }
.updated { font-size: 0.85rem; color: var(--muted-2); margin: -4px 0 20px; }
.table-wrap { overflow-x: auto; margin: 0 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; line-height: 1.55; background: var(--surface); }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--border); }
th { background: var(--accent-light); color: var(--accent-dark); font-weight: 700; }
ol { margin: 0 0 16px 0; padding-left: 22px; }
.sources { margin-top: 44px; font-size: 0.9rem; color: var(--muted); }
.sources h2 { font-size: 1.1rem; }
.sources li { margin-bottom: 6px; }
@media (max-width: 600px) { .nav-bar__links { gap: 12px; } .nav-bar__links a:not(.nav-bar__back) { display: none; } }