body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0074D9, #6F3FFC);
    color: #fff;
    line-height: 1.6;
    letter-spacing: 0.5px;
    overflow-x: hidden;
}
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(90deg, #0074D9, #6F3FFC);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header nav .logo {
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    color: #FFC107;
}
header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}
header nav ul li a:hover {
    color: #FFC107;
}
.content {
    padding-top: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
h2 {
    font-size: 32px;
    color: #FFC107;
    margin-bottom: 20px;
}
h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 15px;
}
p {
    font-size: 16px;
    color: #e0e0e0;
    margin-bottom: 20px;
}
pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
code {
    color: #FFC107;
    font-size: 14px;
}
ul {
    padding-left: 20px;
    margin-bottom: 20px;
}
li {
    margin-bottom: 10px;
    color: #e0e0e0;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #333;
    padding: 10px;
    text-align: left;
}
th {
    background: #0074D9;
    color: #fff;
}
td {
    background: #6F3FFC;
    color: #fff;
}
button {
    background: linear-gradient(90deg, #0074D9, #6F3FFC);
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}
button:hover {
    background: linear-gradient(90deg, #6F3FFC, #0074D9);
}
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
footer {
    background: linear-gradient(90deg, #0074D9, #6F3FFC);
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}
@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        gap: 10px;
    }
    h2 {
        font-size: 28px;
    }
    h3 {
        font-size: 20px;
    }
    pre {
        font-size: 12px;
    }
}