Merge branch 'master' into csc

chengsc

2025-05-23 c34986a09e6f98fc8c031bd15f847a71efa18349

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.close-base(@top: 0, @icon-font-size: 22px) {
    font-size: @icon-font-size;
    color: @legend-color;
    transition: color @transition-time ease;
    position: relative;
    top: @top;
    &:hover {
        color: #444;
    }
}