body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #1a1a1a;
    max-width: 680px;
    margin: 40px auto;
    padding: 0 24px 60px;
}

h1 { font-size: 1.8em; margin-bottom: 4px; }
h2 { font-size: 1.1em; margin-top: 32px; margin-bottom: 6px; }
p, li { margin: 8px 0; }
ul { padding-left: 20px; }
.meta { color: #666; font-size: 0.9em; margin-bottom: 36px; }
a { color: #007aff; }

input[type="submit"], button {
    font-family: inherit;
    font-size: 0.95em;
    color: #007aff;
    background: none;
    border: 1px solid #007aff;
    border-radius: 6px;
    padding: 6px 14px;
    margin: 4px 4px 4px 0;
    cursor: pointer;
}

input[type="submit"]:hover, button:hover {
    background: #007aff;
    color: #fff;
}