:root{--primary:#f8a;--primary-dark:#e06688;--secondary:#6c8cff;--secondary-dark:#4a6edd;--success:#4caf50;--danger:#f44336;--warning:#ff9800;--bg-main:#f5f0ff;--bg-parent:#f0f4ff;--bg-child:#fff5f5;--text-primary:#333;--text-secondary:#666;--text-muted:#999;--border:#e0e0e0;--card-bg:white;--card-shadow:0 2px 8px #0000000f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:20px;--max-width:800px}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary);background:var(--bg-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,sans-serif}#root{min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input{font-family:inherit}@media (width<=480px){:root{--max-width:100%;--radius-lg:12px}}@media (width>=481px) and (width<=768px){:root{--max-width:600px}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:2px}button:active{opacity:.85;transition:transform .1s;transform:scale(.98)}