body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

header h1 {
    font-size: 24px;
    color: #ff7eb9;
    text-shadow: 0 0 10px #ff7eb9, 0 0 20px #ff7eb9;
}

.nav {
    display: flex;
    gap: 20px;
}

.nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 16px;
    position: relative;
    transition: all 0.3s ease;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #6A1B9A;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav a:hover::after {
    transform: scaleX(1);
}

.main-content {
    margin-top: 80px;
    padding: 20px;
}

.grid-item {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid transparent;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    transition: all 0.3s ease;
    padding: 20px;
    text-align: center;
}

.grid-item:hover {
    border-color: #00ffff;
    box-shadow: 0 0 20px #00ffff;
}

.grid-item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.article {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.article h2 {
    font-size: 28px;
    color: #ff7eb9;
    text-shadow: 0 0 10px #ff7eb9, 0 0 20px #ff7eb9;
}

.article p {
    font-size: 16px;
    line-height: 1.6;
    color: #dcdcdc;
}

.article pre {
    background: #1a1a2e;
    padding: 10px;
    border-radius: 5px;
    color: #00ffff;
    overflow-x: auto;
}

.footer {
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    text-align: center;
    color: #ffffff;
    margin-top: 20px;
}

.footer p {
    font-size: 14px;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav {
        flex-direction: column;
        gap: 10px;
    }

    .container {
        grid-template-columns: 1fr;
    }
}