:root{--bg:#f7f6f2;--surface:#fffdf8;--ink:#111111;--accent:#0b6e4f;--accent-soft:#d6f5ea}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at top right,#fff6d2 0,var(--bg) 52%)}a{color:inherit}main{max-width:1080px;margin:0 auto;padding:1.5rem}.card{background:var(--surface);border:1px solid #ece7db;border-radius:14px;padding:1rem}