/* 全面屏 + 触摸优化样式 */
:root, html {
      /* 触摸优化 */
    touch-action: manipulation;
    -ms-touch-action: manipulation;
    
    /* 全面屏安全边距 */
    padding-top: constant(safe-area-inset-top);
    padding-top: env(safe-area-inset-top);
    padding-left: constant(safe-area-inset-left);
    padding-left: env(safe-area-inset-left);
    padding-right: constant(safe-area-inset-right);
    padding-right: env(safe-area-inset-right);
    
    /* 可选：适配底部小黑条 */
    /*padding-bottom: constant(safe-area-inset-bottom);*/
    /*padding-bottom: env(safe-area-inset-bottom);*/
    
}