* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333; background: #fafafa; line-height: 1.7;
}
.container { max-width: 720px; margin: 0 auto; padding: 40px 24px 80px; }
header {
  text-align: center; padding: 48px 24px 32px;
  background: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
  color: #fff;
}
header h1 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
header p { font-size: 15px; opacity: .85; }
nav { display: flex; justify-content: center; gap: 24px; padding: 16px; background: #fff; border-bottom: 1px solid #e5e7eb; }
nav a { color: #3b82f6; text-decoration: none; font-size: 14px; font-weight: 500; }
nav a:hover { text-decoration: underline; }
h2 { font-size: 20px; margin: 32px 0 12px; color: #1f2937; }
h3 { font-size: 16px; margin: 24px 0 8px; color: #374151; }
p, li { font-size: 15px; color: #4b5563; margin-bottom: 12px; }
ul { padding-left: 20px; }
a { color: #3b82f6; }
.updated { text-align: center; color: #9ca3af; font-size: 13px; margin-top: 48px; }
footer { text-align: center; padding: 24px; color: #9ca3af; font-size: 13px; border-top: 1px solid #e5e7eb; margin-top: 40px; }
.card { background: #fff; border-radius: 12px; padding: 24px; margin: 16px 0; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.contact-item { display: flex; align-items: center; gap: 8px; margin: 8px 0; }