body {
    margin: 0;
    font-family: 'Lato', sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    color: #333333;
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    background: linear-gradient(90deg, #0f4c81, #1e3c72);
    color: white;
    text-align: center;
    padding: 20px 10px;
    font-size: 24px;
    font-weight: bold;
    position: relative;
}
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    z-index: -1;
}
.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}
.left-section, .right-section {
    padding: 20px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}
.left-section {
    background: linear-gradient(135deg, #0f4c81, #1e3c72);
    color: white;
}
.right-section {
    background: linear-gradient(135deg, #3e3e42, #2a2a2a);
    color: white;
}
.split-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, #ff9800, #e65100);
    animation: split-line-move 5s infinite alternate;
}
@keyframes split-line-move {
    0% { transform: translateX(-50%) scaleY(1); }
    100% { transform: translateX(-50%) scaleY(1.2); }
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
button {
    background-color: #ff9800;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}
button:hover {
    background-color: #e65100;
    transform: scale(1.1);
}
article {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
article h2, article h3, article h4 {
    color: #0f4c81;
}
code {
    display: block;
    background: #f4f4f4;
    color: #333;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .split-line {
        display: none;
    }
}