/*：此代码只作为演示用,不是源代码。源码地址唯一出处: http://www.bootstrapmb.com/item/4453(这个说明仅在演示里会看到,下载的源码里没有)*/:root {	--player-enter-color: color-mod(#9999ff alpha(25%));	--player-back-fullscreen-color: color-mod(#000000 alpha(75%));	--player-fill-fullscreen-color: #ffffff;	--player-range-color: #cccccc;	--player-meter-color: #0088dd;}.media-player {    width: 100%;}.media-toolbar {	align-items: center;	cursor: default;	direction: ltr;	display: flex;	flex-wrap: wrap;	@nest :fullscreen & {		background-color: var(--player-back-fullscreen-color);		color: var(--player-fill-fullscreen-color);		inset-block-end: 0;		inset-inline: 0;		opacity: .8;		position: absolute;	}}.media-hidden {	display: none;}.media-media {	display: block;	margin-inline: auto;	max-height: 100vh;	max-width: 100%;	position: relative;}.media-control, .media-slider {	background-color: transparent;	border-style: none;	color: inherit;	font: inherit;	margin: 0;	overflow: visible;	padding: 0;	-webkit-tap-highlight-color: transparent; /* stylelint-disable-line property-no-vendor-prefix */	-webkit-touch-callout: none; /* stylelint-disable-line property-no-vendor-prefix */	-webkit-user-select: none; /* stylelint-disable-line property-no-vendor-prefix */}.media-slider {	height: 2.5em;	padding: .625em .5em;	&:focus {		background-color: var(--player-enter-color);	}}.media-time {	flex-grow: 1;	flex-shrink: 1;}.media-volume {	flex-basis: 5em;}.media-range {	background-color: var(--player-range-color);	display: block;	font-size: 75%;	height: 1em;	width: 100%;}.media-meter {	background-color: var(--player-meter-color);	display: block;	height: 100%;	overflow: hidden;	width: 100%;}.media-text {	font-size: 75%;	padding-inline: .5em;	width: 2.5em;}.media-control {	font-size: 75%;	line-height: 1;	padding: 1.16667em;	text-decoration: none;	&:matches(:hover, :focus) {		background-color: var(--player-enter-color);	}}.media-symbol {	display: block;	fill: currentColor;	height: 1em;	width: 1em;	&:matches([aria-hidden="true"]) {		display: none;	}}/*：此代码只作为演示用,不是源代码。源码地址唯一出处: http://www.bootstrapmb.com/item/4453(这个说明仅在演示里会看到,下载的源码里没有)*/