:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #555;
  --accent: #2b6cb0;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", sans-serif; }
.container { max-width: 900px; margin: 0 auto; padding: 20px; }
.header { text-align: center; padding: 10px 0 20px; }
.header h1 { margin: 0; font-size: 1.6rem; }
.subtitle { color: var(--muted); font-size: 0.9rem; }
.card { background: var(--card); border-radius: 8px; padding: 16px; margin: 12px 0; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.card h2 { margin-top: 0; font-size: 1.15rem; color: #333; }
.finding-section { margin-bottom: 12px; }
.finding-section h3 { margin: 6px 0; font-size: 1.02rem; color: #333; }
.diff-item { margin: 8px 0; padding: 8px; border-left: 4px solid var(--accent); background: #fafafa; border-radius: 4px; }
.badge { background: #e8f0ff; color: #214d9a; padding: 2px 6px; border-radius: 4px; font-size: 0.8em; margin-left: 6px; }
ul { padding-left: 1.2em; }
li { margin: 4px 0; line-height: 1.4; }