ArtPlayer/packages/artplayer/src/style/progress.less

.art-bottom {
    .art-progress {
        position: relative;
        z-index: 0;
        pointer-events: auto;
        padding-bottom: var(--art-bottom-gap);

        .art-control-progress {
            position: relative;
            .art-center();
            cursor: pointer;
            height: var(--art-progress-height);

            .art-control-progress-inner {
                display: flex;
                align-items: center;
                position: relative;
                height: 50%;
                width: 100%;
                transition: height var(--art-transition-duration) ease;
                background-color: var(--art-progress-color);

                .art-progress-hover {
                    display: none;
                    .art-full(0);
                    width: 0%;
                    background-color: var(--art-hover-color);
                }

                .art-progress-loaded {
                    .art-full(10);
                    width: 0%;
                    background-color: var(--art-loaded-color);
                }

                .art-progress-played {
                    .art-full(20);
                    width: 0%;
                    background-color: var(--art-theme);
                }

                .art-progress-highlight {
                    .art-full(30);
                    pointer-events: none;

                    span {
                        .art-full();
                        right: auto;
                        pointer-events: auto;
                        width: var(--art-highlight-width) !important;
                        transform: translateX(calc(var(--art-highlight-width) / -2));
                        background-color: var(--art-highlight-color);
                    }
                }

                .art-progress-indicator {
                    .art-center();
                    position: absolute;
                    z-index: 40;
                    left: 0;
                    border-radius: 50%;
                    width: var(--art-indicator-size);
                    height: var(--art-indicator-size);
                    transform: scale(var(--art-indicator-scale));
                    margin-left: calc(var(--art-indicator-size) / -2);
                    transition: transform var(--art-transition-duration) ease;

                    .art-icon {
                        width: 100%;
                        height: 100%;
                        pointer-events: none;
                    }

                    &:hover {
                        transform: scale(1.2) !important;
                    }

                    &:active {
                        transform: scale(1) !important;
                    }
                }

                .art-progress-tip {
                    display: none;
                    position: absolute;
                    z-index: 50;
                    top: -25px;
                    left: 0;
                    padding: 3px 5px;
                    line-height: 1;
                    font-size: 12px;
                    border-radius: var(--art-border-radius);
                    white-space: nowrap;
                    background-color: var(--art-tip-background);
                }
            }

            &:hover {
                .art-control-progress-inner {
                    height: 100%;
                }
            }
        }

        .art-control-thumbnails {
            display: none;
            position: absolute;
            bottom: calc(var(--art-bottom-gap) + 10px);
            left: 0;
            border-radius: var(--art-border-radius);
            pointer-events: none;
            background-color: var(--art-widget-background);
            box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.2), 0 1px 2px -1px rgb(0 0 0 / 0.2);
        }
    }

    &:hover {
        .art-progress .art-control-progress .art-control-progress-inner .art-progress-indicator {
            transform: scale(1);
        }
    }
}