body, html {
    margin: 0;
    padding: 0;
    height: 100%;
}

.fullscreen-bg {
    width: 100vw;
    height: 100vh;
    background-image: url('https://cdn.oss.code0xff.com/wp-content/uploads/2025/11/android_build.gif');
    background-position: left;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative; 
}

.fullscreen-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.center-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    color: #fff;
    font-family: monospace;
    font-size: 16px;
}