body {
    font-family: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.55;
    color: #222222;
    background-color: #ffffff;
    margin: 0;
    padding: 20px 20px 40px;
}
h1 {
    font-size: 22px;
    color: #3B6D8C;
    margin: 0 0 4px;
}
.subtitle {
    font-size: 13px;
    color: #777777;
    margin: 0 0 24px;
}
h2 {
    font-size: 17px;
    color: #3B6D8C;
    margin: 28px 0 8px;
    border-top: 1px solid #e9e9e9;
    padding-top: 20px;
}
h2:first-of-type {
    border-top: none;
    padding-top: 0;
}
h3 {
    font-size: 15px;
    color: #222222;
    margin: 16px 0 6px;
}
p {
    margin: 0 0 12px;
    font-size: 14px;
}
ul, ol {
    margin: 0 0 12px;
    padding-left: 22px;
    font-size: 14px;
}
li {
    margin-bottom: 6px;
}
a {
    color: #3B6D8C;
}
.placeholder {
    background-color: #fff3cd;
    border: 1px solid #f0d68a;
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 13px;
    color: #6b5600;
}
.placeholder strong {
    display: block;
    margin-bottom: 4px;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 0 0 16px;
}
th, td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid #e9e9e9;
    vertical-align: top;
}
th {
    color: #555555;
    font-weight: 600;
}

@media (prefers-color-scheme: dark) {
    body { background-color: #14181d; color: #e8ebee; }
    h1, h2 { color: #7fb2d6; }
    h2 { border-top-color: #2a323b; }
    h3 { color: #e8ebee; }
    a { color: #7fb2d6; }
    .placeholder { background-color: #3a3220; border-color: #5a4c24; color: #f0d68a; }
    th, td { border-bottom-color: #2a323b; }
    th { color: #aab2ba; }
}