:root{--bg-page:#f5f5f7;--bg-surface:#fff;--bg-highlight:#f2f2f2;--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-muted:#a1a1a6;--border-soft:#e5e5ea;--accent:#0071e3;--accent-dark:#0052a3;--radius-lg:28px;--radius-md:18px;--radius-pill:999px;--shadow-soft:0 18px 30px rgba(0,0,0,.08);--container-width:1200px}*{box-sizing:border-box}body{background:var(--bg-page);color:var(--text-primary);font-family:Roboto,SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0}a{color:inherit;text-decoration:none}button{font-family:inherit}