:root{--brand:#0080a7;--ink:#1f2d3d;--muted:#637083;--panel:#fff;--background:#f5f7f9}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:var(--background);font-family:Arial,Helvetica,sans-serif}main{min-height:100vh;padding:48px 24px}.shell{max-width:1000px;margin:0 auto}.card{background:var(--panel);border:1px solid #dde3e8;border-radius:16px;padding:28px;box-shadow:0 8px 24px #1527360f}.badge{color:#006d8f;background:#e8f6f9;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:700;display:inline-block}h1{margin:16px 0 12px;font-size:36px}p{color:var(--muted);line-height:1.6}.grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-top:24px;display:grid}.item{border:1px solid #e3e7eb;border-radius:12px;padding:16px}.item strong{margin-bottom:6px;display:block}code{background:#edf1f4;border-radius:5px;padding:2px 6px}