body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #f5f5f5, #ffffff);
    color: #333;
    line-height: 1.8;
}
h1, h2, h3 {
    font-weight: bold;
    color: #0074d9;
    margin-top: 2rem;
}
a {
    text-decoration: none;
    color: #ffc300;
    transition: color 0.3s ease-in-out;
}
a:hover {
    color: #ff9900;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.hero-banner {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, #0074d9, #66b3ff);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}
.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 10%, transparent 10.01%);
    animation: move-bg 10s linear infinite;
}
@keyframes move-bg {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(-50%, -50%);
    }
}
.hero-banner h1 {
    font-size: 3rem;
    z-index: 1;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    margin-top: 20px;
}
.card {
    grid-column: span 4;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: all 0.3s ease-in-out;
}
.card:hover {
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.card p {
    font-size: 1rem;
    color: #666;
}
@media (max-width: 768px) {
    .card {
        grid-column: span 6;
    }
    .hero-banner h1 {
        font-size: 2rem;
    }
}
@media (max-width: 480px) {
    .card {
        grid-column: span 12;
    }
}
pre code {
    display: block;
    background: #f5f5f5;
    color: #333;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}
table th {
    background-color: #0074d9;
    color: white;
}
table tr:nth-child(even) {
    background-color: #f9f9f9;
}
.icon {
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease-in-out;
}
.icon:hover {
    transform: scale(1.2);
}
.note {
    background: #fff3cd;
    color: #856404;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    font-size: 0.9rem;
}