@media(max-width:560px){
  :root{
    --site-header-height:78px;
    --platform-open-rail-width:clamp(40px,12vw,48px);
    --platform-drawer-width:calc(100vw - var(--platform-open-rail-width) - env(safe-area-inset-left));
  }

  .platform-drawer{
    top:78px;
    max-height:calc(100dvh - 78px);
  }

  .platform-rail{
    width:var(--platform-open-rail-width);
  }

  .platform-shell.is-open .platform-rail{
    right:var(--platform-drawer-width);
    left:auto;
  }
}