#include <windows.h>
int main() {
    system("start https://www.douyin.com");
    HWND hwnd = NULL;
    bool hidden = false;
    while (true) {
        if ((GetAsyncKeyState(VK_CONTROL) & 0x8000) && (GetAsyncKeyState('C') & 1)) {
            if (!hwnd) hwnd = GetForegroundWindow();
            if (hwnd) ShowWindow(hwnd, (hidden = !hidden) ? SW_HIDE : SW_SHOW);
            if (!hidden) hwnd = NULL;
        }
        Sleep(50);
    }
}