* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    font-family: system-ui, sans-serif;
    background: #f1f5f9;
    color: #172033;
}
main {
    width: 100%;
    max-width: 560px;
    padding: 40px;
    background: white;
    border: 1px solid #dce5ee;
    border-radius: 18px;
}
.badge {
    display: inline-block;
    padding: 6px 10px;
    background: #e0f2f1;
    color: #11645e;
    border-radius: 8px;
    font-size: 13px;
}
h1 { margin-bottom: 12px; }
p { line-height: 1.6; }