body, html {
    margin: 0;
    padding: 0;
    background: #000;
    color: #fff;
    height: 100vh;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

.company-logo {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1001;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.company-logo img {
    width: 300px;
    height: auto;
    position: absolute;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.menu-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1002;
}

.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    background: rgba(17, 17, 17, 0.9);
    border-radius: 5px;
}

.menu-list li {
    padding: 10px 20px;
    transition: background-color 0.3s ease;
}

.menu-list li:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-list li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    display: block;
    white-space: nowrap;
}

.lab-link {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1002;
}

.lab-link a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.lab-link a:hover {
    color: rgba(255, 255, 255, 0.8);
}