body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1E90FF, #4682B4);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}
.container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}
header {
    grid-column: span 12;
    background: #F5F5F5;
    padding: 20px;
    text-align: center;
    position: relative;
    z-index: 100;
}
header h1 {
    font-size: 2rem;
    color: #1E90FF;
    margin: 0;
}
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #F5F5F5;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}
nav ul li {
    margin: 0 15px;
}
nav ul li a {
    text-decoration: none;
    color: #1E90FF;
    font-weight: bold;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: #FFA500;
}
.hero {
    grid-column: span 12;
    height: 400px;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center/cover, linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero h2 {
    font-size: 3rem;
    margin: 0;
}
.features {
    grid-column: span 12;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.feature {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}
.feature:hover {
    transform: translateY(-10px);
}
.feature img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
}
.data-visualization {
    grid-column: span 12;
    background: #F5F5F5;
    padding: 20px;
    text-align: center;
}
.chart {
    width: 100%;
    height: 200px;
    position: relative;
}
.chart svg {
    width: 100%;
    height: 100%;
}
.partners {
    grid-column: span 12;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    padding: 20px;
    background: #fff;
}
.partner img {
    width: 100%;
    height: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}
.partner img:hover {
    opacity: 1;
}
footer {
    grid-column: span 12;
    background: #1E90FF;
    color: #fff;
    padding: 20px;
    text-align: center;
}
button {
    background-color: #FFA500;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}
button:hover {
    transform: scale(1.1);
    background-color: #FFC107;
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: repeat(6, 1fr);
    }
    header h1 {
        font-size: 1.5rem;
    }
    .hero h2 {
        font-size: 2rem;
    }
}