:root{--bg:#f5f7fb;--surface:#fff;--text:#0f172a;--muted:#475569;--line:#dbe2ea;--brand:#0f2a43;--brand-soft:#e8f1f9}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at top left,#eef4fb 0,#f5f7fb 50%,#eef2f7 100%);color:var(--text);font-family:Segoe UI,Arial,sans-serif}a{color:inherit}button,input,select{font:inherit}.app-shell{max-width:1040px;margin:0 auto;padding:20px 16px 32px}.page-stack{display:grid;grid-gap:12px;gap:12px}.hero{background:linear-gradient(135deg,#0f2a43,#1e3a5f);color:#fff;border-radius:16px;padding:24px;border:1px solid #294868}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--brand-soft);border:1px solid #c6d9ee;color:#13395d;font-size:13px}