#slide-4 .ztca-diagram {
          width: 100%;
          max-width: 1000px;
          margin: 1.5rem auto 0;
        }
        #slide-4 .ztca-diagram__img {
          display: block;
          width: 100%;
          height: auto;
        }
        #slide-4 .ztca-diagram__light { display: none; }
        #slide-4 .ztca-diagram__dark  { display: block; }
        [data-theme="light"] #slide-4 .ztca-diagram__dark  { display: none; }
        [data-theme="light"] #slide-4 .ztca-diagram__light { display: block; }
        @media (prefers-color-scheme: light) {
          :root:not([data-theme="dark"]) #slide-4 .ztca-diagram__dark  { display: none; }
          :root:not([data-theme="dark"]) #slide-4 .ztca-diagram__light { display: block; }
        }