public static readonly List<Res> AvailableResolutions = new List<Res>();

    public static void RefreshResolutions()
    {
        AvailableResolutions.Clear();

        float targetAspect = 16f / 9f;
        float tolerance = 0.01f;

        Dictionary<(int w, int h), int> best = new();

        foreach (var r in Screen.resolutions)
        {
            float aspect = (float)r.width / r.height;

            if (Mathf.Abs(aspect - targetAspect) < tolerance)
            {
                int hz = Mathf.RoundToInt((float)r.refreshRateRatio.value);
                var key = (r.width, r.height);

                if (!best.ContainsKey(key) || hz > best[key])
                    best[key] = hz;
            }
        }

        foreach (var kvp in best)
        {
            AvailableResolutions.Add(new Res
            {
                width = kvp.Key.w,
                height = kvp.Key.h,
                refreshRate = kvp.Value
            });
        }
    }

    public static int BestDesktopResolutionIndex()
    {
        if (AvailableResolutions.Count == 0) return -1;

        var cur = Screen.currentResolution;
        for (int i = 0; i < AvailableResolutions.Count; i++)
            if (AvailableResolutions[i].width == cur.width && AvailableResolutions[i].height == cur.height)
                return i;

        return -1;
    }




    public static void ApplyResolution()
    {
#if UNITY_EDITOR
        return;
#endif
        if (ResolutionIndex < 0 || ResolutionIndex >= AvailableResolutions.Count) return;
        var r = AvailableResolutions[ResolutionIndex];
        Screen.SetResolution(r.width, r.height, Fullscreen, r.refreshRate);
    }