:root{--bg:#f6f4ef;--panel:#fff;--ink:#1f1f1f;--muted:#6f6f6f;--accent:#0b6e4f;--line:#e6e1d8}*{box-sizing:border-box}body{color:var(--ink);background:radial-gradient(circle at 15% 0%,#fff3d9 0%,var(--bg)45%);margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif}main{max-width:980px;margin:0 auto;padding:28px 16px 48px}.grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;display:grid}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}h1{margin:0 0 8px}p{color:var(--muted)}code{background:#f1ede4;border-radius:6px;padding:2px 6px}