*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --green: #10B981; --green-dark: #059669;
  --indigo: #6366F1; --gray-50: #F9FAFB; --gray-100: #F3F4F6;
  --gray-200: #E5E7EB; --gray-400: #9CA3AF; --gray-500: #6B7280;
  --gray-700: #374151; --gray-900: #111827; --white: #FFFFFF;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--gray-900); background: var(--gray-50); line-height: 1.6; }
nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); padding: 0 24px; }
.nav-inner { max-width: 900px; margin: 0 auto; height: 60px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { width: 44px; height: 44px; border-radius: 11px; }
.back-link { font-size: 14px; font-weight: 600; color: var(--green); text-decoration: none; }
.back-link:hover { color: var(--green-dark); }
.hero { background: linear-gradient(135deg,#064E3B,#065F46,#047857); padding: 56px 24px 48px; text-align: center; }
.hero h1 { font-size: clamp(28px,4vw,42px); font-weight: 900; color: #fff; letter-spacing: -.02em; margin-bottom: 8px; }
.hero p { font-size: 15px; color: #A7F3D0; }
main { max-width: 900px; margin: 0 auto; padding: 48px 24px 80px; }
.card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; padding: 32px; margin-bottom: 20px; }
.card h2 { font-size: 17px; font-weight: 700; color: var(--indigo); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--gray-100); }
.card p, .card li { font-size: 14px; color: var(--gray-700); line-height: 1.8; margin-bottom: 10px; }
.card ul, .card ol { padding-left: 20px; margin-bottom: 10px; }
.card li { margin-bottom: 6px; }
.card strong { color: var(--gray-900); }
.card h3 { font-size: 14px; font-weight: 700; color: var(--gray-900); margin: 16px 0 6px; }
.last-updated { font-size: 13px; color: var(--gray-400); font-style: italic; margin-bottom: 28px; }
footer { background: var(--gray-900); color: var(--gray-400); padding: 32px 24px; text-align: center; }
footer a { color: var(--gray-400); text-decoration: none; margin: 0 12px; font-size: 14px; }
footer a:hover { color: #fff; }
footer p { font-size: 13px; margin-bottom: 10px; }