:root{--color-bg:#fff;--color-surface:#fff;--color-primary:#2563eb;--color-primary-100:#eef2ff;--color-success:#10b981;--color-text:#0f172a;--color-muted:#94a3b8;--color-strong:#1f2a1b;--color-border:#e6e9ee;--color-danger:#ef4444;--max-content-width:1100px;--page-padding:12px;--header-height:60px;--footer-height:88px;--shadow-sm:0 1px 2px #0206170a;--shadow-md:0 8px 24px #0206170f}body{padding-top:var(--header-height);color:var(--color-text);background:var(--color-bg);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}