body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #003087;
    color: #fff;
    padding: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

header img {
    max-width: 100px;
    height: auto;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    color: #003087;
    text-align: center;
}

h2, h3 {
    color: #004aad;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

li {
    margin-bottom: 10px;
}

code {
    background-color: #eee;
    padding: 2px 6px;
    border-radius: 4px;
}

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

a:hover {
    text-decoration: underline;
}

.note {
    background-color: #e7f3ff;
    padding: 10px;
    border-left: 4px solid #0066cc;
    margin-bottom: 20px;
}

nav {
    background-color: #004aad;
    padding: 10px;
    margin-bottom: 20px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    font-weight: bold;
}

nav ul li a:hover {
    color: #e7f3ff;
}

footer {
    background-color: #003087;
    color: #fff;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}

footer a {
    color: #e7f3ff;
}

footer a:hover {
    text-decoration: underline;
}

.section {
    margin-bottom: 25px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    margin-bottom: 20px;
}

th, td {
    border: 1px solid #ccc;
    padding: 8px;
}

th {
    background: #eee;
    text-align: left;
}

textarea {
    width: 100%;
    resize: vertical;
}

select {
    width: 100%;
    padding: 5px;
}

.btn {
    display: inline-block;
    background-color: #0078d4;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    text-decoration: none;
}

.btn:hover {
    background-color: #005b9e;
}

@media print {
    body {
        background-color: #fff;
        color: #000;
    }
    header, nav, footer {
        display: none;
    }
    a {
        color: #000;
        background: none;
        padding: 0;
        text-decoration: underline;
    }
    .container {
        box-shadow: none;
        margin: 0;
    }
    .btn {
        display: none;
    }
}