* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
    color: #333;
    background: #fafafa;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

nav {
    padding: 28px 0;
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav a.brand {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

nav ul a {
    font-size: 14px;
    color: #999;
    transition: color .2s;
}

nav ul a:hover {
    color: #333;
}

main {
    padding: 100px 0 140px;
}

main h1 {
    font-size: 26px;
    font-weight: 500;
    letter-spacing: 0.2px;
    margin-bottom: 16px;
}

main p {
    color: #777;
    font-size: 15px;
    max-width: 480px;
}

footer {
    background: #1d5cae;
    padding: 24px 0;
}

footer .container {
    font-size: 12px;
    color: #fff;
}