.app-user-workspace .app-workspace-sidebar-brand-button > span { display:none; }
.app-user-workspace .app-workspace-sidebar-brand-button::before { content:""; display:block; width:72px; height:24px; margin-left:6px; background:url('/qiutv-logo.png') center / 110px auto no-repeat; filter:invert(1) grayscale(1) contrast(12); mix-blend-mode:multiply; }
.app-user-workspace .app-workspace-sidebar-brand-button { position:relative; }
.app-user-workspace .app-workspace-sidebar-brand-button::before { clip-path:inset(0 0 0 24px); }
.app-user-workspace .app-workspace-sidebar-brand-button::after { content:""; position:absolute; left:13px; top:50%; transform:translateY(-50%); width:24px; height:24px; background:url('/qiutv-symbol.png') center / 22px 22px no-repeat; mix-blend-mode:multiply; }
.dark .app-user-workspace .app-workspace-sidebar-brand-button::after { background-color:#fff; filter:invert(1); mix-blend-mode:lighten; }
.dark .app-user-workspace .app-workspace-sidebar-brand-button::before { filter:none; mix-blend-mode:lighten; }