body, html {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    color: #fff;
    background: linear-gradient(135deg, #00008b, #006400);
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Bebas Neue', Arial, sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #ffd700;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

.header {
    position: relative;
    text-align: center;
    padding: 100px 20px;
    background-image: url('https://images.gptkong.com/demo/sample1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
}

.header h1 {
    font-size: 4rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header p {
    font-size: 1.5rem;
    margin-top: 20px;
    color: #ffdead;
}

.section {
    padding: 60px 20px;
    background: linear-gradient(to right, #006400, #8b4513);
    border-radius: 10px;
    margin-bottom: 40px;
}

.article {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

.article h2 {
    font-size: 2.5rem;
    color: #ffd700;
    margin-bottom: 20px;
}

.article h3 {
    font-size: 2rem;
    color: #ffdead;
    margin-bottom: 15px;
}

.article p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #fff;
    margin-bottom: 20px;
}

.article pre {
    background: #333;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 1rem;
}

.article code {
    color: #ffdead;
    font-size: 1rem;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease-in-out;
}

.image-grid img:hover {
    transform: scale(1.1);
}

.split-layout {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.retro-side, .modern-side {
    flex: 1;
    padding: 20px;
    border-radius: 10px;
    color: #fff;
}

.retro-side {
    background: linear-gradient(to bottom, #8b4513, #a0522d);
}

.modern-side {
    background: linear-gradient(to bottom, #006400, #228b22);
}

.table-container {
    margin-top: 30px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ccc;
}

th {
    background-color: #ffd700;
    color: #000;
}

td {
    background-color: #333;
}

.footer {
    text-align: center;
    padding: 20px;
    background: linear-gradient(to top, #00008b, #006400);
    color: #ffdead;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 3rem;
    }

    .article h2 {
        font-size: 2rem;
    }

    .split-layout {
        flex-direction: column;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 2s ease-in-out;
}