:root {
  --canvas: #f9f9fb;
  --card: #ffffff;
  --line: #e5e7eb;
  --ink: #111827;
  --ink-2: #4b5563;
  --accent: #2e7d5b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, sans-serif;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
main { max-width: 760px; margin: 0 auto; padding: 40px 16px 64px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 1px 3px rgba(17, 24, 39, 0.05);
  padding: 24px;
  margin-bottom: 20px;
}
h1 { font-size: 30px; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 24px 0 8px; }
h2:first-child { margin-top: 0; }
p, li { color: var(--ink-2); }
a { color: var(--accent); }
.tag { color: var(--accent); font-weight: 600; }
.en { direction: ltr; text-align: left; font-family: 'Segoe UI', Arial, sans-serif; }
footer { text-align: center; font-size: 14px; color: var(--ink-2); }