body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: #f5f5f7;
    color: #1d1d1f;
}

main {
    max-width: 880px;
    margin: 0 auto;
    padding: 64px 24px;
}

a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 600;
}

h1 {
    font-size: 40px;
    line-height: 1.15;
    margin: 0 0 18px;
}

.summary {
    font-size: 18px;
    line-height: 1.8;
    color: #515154;
    margin: 0 0 32px;
}

ul {
    display: grid;
    gap: 14px;
    margin: 0 0 36px;
    padding: 0;
    list-style: none;
}

li {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 14px;
    padding: 18px 20px;
    line-height: 1.7;
}