查看“︁MediaWiki:Citizen.css”︁的源代码

.mw-ui-icon-wikimedia-language:before{
	-webkit-mask-image: url(https://lostmediawiki.cn/images/0/03/Icon_%E7%AE%80%E7%B9%81%E8%BD%AC%E6%8D%A2.svg);
    mask-image: url(https://lostmediawiki.cn/images/0/03/Icon_%E7%AE%80%E7%B9%81%E8%BD%AC%E6%8D%A2.svg);
}

.citizen-page-languages .citizen-dropdown-summary::after{
	visibility: hidden;
}

/*优化电脑端*/
@media screen and (min-width: 1120px) {
    .citizen-toc-enabled .citizen-body-container {
        grid-template-areas:
        'content'
        'footer';
        grid-template-columns: minmax(0, var(--width-layout));
    }
    
    .citizen-page-sidebar {
    position: fixed;
    width: var(--width-toc);
    height: 100%;
    left: calc(-1 * var(--width-toc));
    background: rgba(250, 250, 250, 0.7);
    transition: left 0.2s ease, opacity 0.2s ease;
    z-index: 99;
    cursor: pointer;
    contain: unset;
}

.citizen-page-sidebar:hover {
    left: 0;
}

.citizen-page-sidebar:before {
    content: "◀";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    height: 14rem;
    width: 1rem;
    color: var(--color-surface-0);
    background: var(--color-base);
    border-radius: 0 0.75rem 0.75rem 0;
    opacity: 1;
    transition: left 0.2s ease, opacity 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.6rem;
}

.citizen-page-sidebar:hover:before {
    content: "▶";
}
    
}