// 通用小尺寸 loading 动画(供 loadersmall、semantic-index-loader 等复用) .loadersmall { display: inline-block; border: 3px solid var(--loading-spinner-border); -webkit-animation: spin 1s linear infinite; animation: spin 1s linear infinite; border-top: 3px solid var(--loading-spinner-top); border-radius: 50%; width: 10px; height: 10px; transition: border-color 0.3s ease; flex-shrink: 0; }