* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000000;
    overflow: hidden;
    margin: 0;
    height: 100vh;
    width: 100vw;
    position: fixed;
    -webkit-overflow-scrolling: touch;
    touch-action: none;
}

canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    touch-action: none;
}

/* 移动端优化 */
@media (max-width: 768px) {
    body {
        -webkit-tap-highlight-color: transparent;
    }
}