body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #222;
    background: #f7f9fc;
}

header {
    background: linear-gradient(90deg, #0072ff, #00c6ff);
    color: white;
    padding: 25px;
    text-align: center;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    padding: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

section {
    padding: 60px 10%;
    line-height: 1.7;
    background: white;
    margin: 20px auto;
    border-radius: 10px;
    max-width: 1100px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

h2 {
    color: #0072ff;
}

footer {
    background: #111;
    color: #ccc;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

ul li {
    margin-bottom: 8px;
}

.table-box {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    border: 1px solid #ccc;
    padding: 10px;
}

table th {
    background: #0072ff;
    color: white;
}