body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #4a90e2, #8e44ad);
    color: #fff;
    line-height: 1.6;
    letter-spacing: 0.5px;
    overflow-x: hidden;
}
header {
    background: radial-gradient(circle, rgba(66, 135, 245, 0.8), transparent);
    padding: 20px 10px;
    text-align: center;
    position: relative;
    animation: aurora-move 15s linear infinite;
}
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}
header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
header p {
    font-size: 1.2rem;
    margin-top: 10px;
}
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
    flex: 1 1 calc(33.333% - 40px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
@media (max-width: 768px) {
    .card { flex: 1 1 calc(50% - 40px); }
}
@media (max-width: 480px) {
    .card { flex: 1 1 100%; }
}
button {
    background: linear-gradient(135deg, #ff7f50, #ff6347);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}
button:hover {
    background: linear-gradient(135deg, #ff6347, #ff7f50);
}
code, pre {
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    display: block;
    margin: 10px 0;
    overflow-x: auto;
}
pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}
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: rgba(0, 0, 0, 0.2);
}
.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
    vertical-align: middle;
}
footer {
    background: linear-gradient(135deg, #8e44ad, #4a90e2);
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}