:root{color-scheme:light dark;--bg: #f6f7f9;--surface: #ffffff;--ink: #101828;--ink-secondary: #667085;--hairline: #eaecf0}@media(prefers-color-scheme:dark){:root{--bg: #0c0f13;--surface: #171c23;--ink: #e8eaed;--ink-secondary: #98a2b3;--hairline: #232a33}}body{margin:0;padding:32px;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}h1{font-size:24px;margin:0 0 24px}h2{font-size:17px;margin:0 0 12px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--hairline);border-radius:16px;padding:20px}.card ul{margin:0;padding-left:18px;color:var(--ink-secondary);font-size:14px}