body {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    font-family: monospace;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    opacity: 0;
    animation: fadeInPage 1.5s ease-out forwards;
    overflow-y: auto;
    overflow-x: hidden;
}

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

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.star {
    position: absolute;
    background-color: #fff;
    width: 1px;
    height: 1px;
    border-radius: 50%;
    opacity: 0.5;
    animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.top-buttons {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 1;
}

.top-button {
    color: #fff;
    font-family: monospace;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.top-button:hover {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.main-container {
    position: relative;
    width: 1400px;
    margin-top: 90px;
    margin-bottom: 40px;
    border: 1px solid #333333;
    background-color: #000000b3;
    padding: 40px;
    box-sizing: border-box;
}

.copyright {
    position: relative;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

iframe {
    width: 100%;
    height: 500px;
    border: none;
    background: #00000000;
}