.twentytwenty-horizontal .twentytwenty-handle:before,
		.twentytwenty-horizontal .twentytwenty-handle:after,
		.twentytwenty-vertical .twentytwenty-handle:before,
		.twentytwenty-vertical .twentytwenty-handle:after {
			content: " ";
			display: block;
			background: white;
			position: absolute;
			z-index: 30;
			-webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
			-moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
			box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		}

		.twentytwenty-horizontal .twentytwenty-handle:before,
		.twentytwenty-horizontal .twentytwenty-handle:after {
			width: 3px;
			height: 9999px;
			left: 50%;
			margin-left: -1.5px;
		}

		.twentytwenty-vertical .twentytwenty-handle:before,
		.twentytwenty-vertical .twentytwenty-handle:after {
			width: 9999px;
			height: 3px;
			top: 50%;
			margin-top: -1.5px;
		}

		.twentytwenty-before-label,
		.twentytwenty-after-label,
		.twentytwenty-overlay {
			position: absolute;
			top: 0;
			width: 100%;
			height: 100%;
		}

		.twentytwenty-before-label,
		.twentytwenty-after-label,
		.twentytwenty-overlay {
			-webkit-transition-duration: 0.5s;
			-moz-transition-duration: 0.5s;
			transition-duration: 0.5s;
		}

		.twentytwenty-before-label,
		.twentytwenty-after-label {
			-webkit-transition-property: opacity;
			-moz-transition-property: opacity;
			transition-property: opacity;
		}

		.twentytwenty-before-label:before,
		.twentytwenty-after-label:before {
			color: white;
			font-size: 13px;
			letter-spacing: 0.1em;
		}

		.twentytwenty-before-label:before,
		.twentytwenty-after-label:before {
			position: absolute;
			background: rgba(255, 255, 255, 0.2);
			line-height: 38px;
			padding: 0 20px;
			-webkit-border-radius: 2px;
			-moz-border-radius: 2px;
			border-radius: 2px;
		}

		.twentytwenty-horizontal .twentytwenty-before-label:before,
		.twentytwenty-horizontal .twentytwenty-after-label:before {
			top: 50%;
			margin-top: -19px;
		}

		.twentytwenty-vertical .twentytwenty-before-label:before,
		.twentytwenty-vertical .twentytwenty-after-label:before {
			left: 50%;
			margin-left: -45px;
			text-align: center;
			width: 90px;
		}

		.twentytwenty-left-arrow,
		.twentytwenty-right-arrow,
		.twentytwenty-up-arrow,
		.twentytwenty-down-arrow {
			width: 0;
			height: 0;
			border: 6px inset transparent;
			position: absolute;
		}

		.twentytwenty-left-arrow,
		.twentytwenty-right-arrow {
			top: 50%;
			margin-top: -6px;
		}

		.twentytwenty-up-arrow,
		.twentytwenty-down-arrow {
			left: 50%;
			margin-left: -6px;
		}

		.twentytwenty-container {
			-webkit-box-sizing: content-box;
			-moz-box-sizing: content-box;
			box-sizing: content-box;
			overflow: hidden;
			position: relative;
		}

		.twentytwenty-container img {
			position: absolute;
			top: 0;
			display: block;
		}

		.twentytwenty-container.active .twentytwenty-overlay,
		.twentytwenty-container.active :hover.twentytwenty-overlay {
			background: rgba(0, 0, 0, 0);
		}

		.twentytwenty-container.active .twentytwenty-overlay .twentytwenty-before-label,
		.twentytwenty-container.active .twentytwenty-overlay .twentytwenty-after-label,
		.twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-before-label,
		.twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-after-label {
			opacity: 0;
		}

		.twentytwenty-container * {
			-webkit-box-sizing: content-box;
			-moz-box-sizing: content-box;
			box-sizing: content-box;
		}

		.twentytwenty-before-label {
			opacity: 0;
		}

		.twentytwenty-before-label:before {
			content: "";
		}

		.twentytwenty-after-label {
			opacity: 0;
		}

		.twentytwenty-after-label:before {
			content: "";
		}

		.twentytwenty-horizontal .twentytwenty-before-label:before {
			left: 10px;
		}

		.twentytwenty-horizontal .twentytwenty-after-label:before {
			right: 10px;
		}

		.twentytwenty-vertical .twentytwenty-before-label:before {
			top: 10px;
		}

		.twentytwenty-vertical .twentytwenty-after-label:before {
			bottom: 10px;
		}

		.twentytwenty-overlay {
			-webkit-transition-property: background;
			-moz-transition-property: background;
			transition-property: background;
			background: rgba(0, 0, 0, 0);
			z-index: 25;
		}

		.twentytwenty-overlay:hover {
			/* background: rgba(0, 0, 0, 0.5); */
		}

		.twentytwenty-overlay:hover .twentytwenty-after-label {
			opacity: 1;
		}

		.twentytwenty-overlay:hover .twentytwenty-before-label {
			opacity: 1;
		}

		.twentytwenty-before {
			z-index: 20;
		}

		.twentytwenty-after {
			z-index: 10;
		}

	.twentytwenty-handle {
		height: 38px;
		width: 38px;
		position: absolute;
		left: 50%;
		top: 50%;
		margin-left: -19px;
		margin-top: -19px;
		border: 3px solid white;
		-webkit-border-radius: 1000px;
		-moz-border-radius: 1000px;
		border-radius: 1000px;
		-webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		-moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		z-index: 40;
		cursor: pointer;
		background: rgba(0, 0, 0, 0.3);
	}

	.twentytwenty-horizontal .twentytwenty-handle:before,
	.twentytwenty-horizontal .twentytwenty-handle:after {
		content: " ";
		display: block;
		background: white;
		position: absolute;
		z-index: -1;
		-webkit-box-sizing: content-box;
		-moz-box-sizing: content-box;
		box-sizing: content-box;
	}

	.twentytwenty-horizontal .twentytwenty-handle:before {
		width: 3px;
		bottom: 50%;
		left: 50%;
		margin-left: -1.5px;
		margin-bottom: 19px;
		height: 9999px;
		-webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		-moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
	}

	.twentytwenty-horizontal .twentytwenty-handle:after {
		width: 3px;
		top: 50%;
		margin-top: 19px;
		left: 50%;
		margin-left: -1.5px;
		height: 9999px;
		-webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		-moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
		box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
	}

		.twentytwenty-vertical .twentytwenty-handle:before,
		.twentytwenty-vertical .twentytwenty-handle:after {
			content: " ";
			display: block;
			background: white;
			position: absolute;
			z-index: 30;
			-webkit-box-sizing: content-box;
			-moz-box-sizing: content-box;
			box-sizing: content-box;
		}

		.twentytwenty-vertical .twentytwenty-handle:before {
			width: 9999px;
			height: 3px;
			top: 50%;
			margin-top: -1.5px;
			left: 50%;
			margin-left: 22px;
			-webkit-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
			-moz-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
			box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
		}

		.twentytwenty-vertical .twentytwenty-handle:after {
			width: 9999px;
			height: 3px;
			top: 50%;
			margin-top: -1.5px;
			right: 50%;
			margin-right: 22px;
			-webkit-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
			-moz-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
			box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
		}

		.twentytwenty-left-arrow {
			border-right: 6px solid white;
			left: 50%;
			margin-left: -17px;
		}

		.twentytwenty-right-arrow {
			border-left: 6px solid white;
			right: 50%;
			margin-right: -17px;
		}

		.twentytwenty-up-arrow {
			border-bottom: 6px solid white;
			top: 50%;
			margin-top: -17px;
		}

		.twentytwenty-down-arrow {
			border-top: 6px solid white;
			bottom: 50%;
			margin-bottom: -17px;
		}

		.twentytwenty-container {
			width: 100%;
			height: 800px;
			margin: 0 auto;
			font-family: arial;
			overflow: hidden;
			position: relative !important;
			z-index: 0;
		}

		.twentytwenty-container img {
			width: 100%;
			object-fit: cover;
		}

		/* 确保在JS不执行时也能看到拖拽控制器 */
		.twentytwenty-container .twentytwenty-before {
			clip: rect(0, 50%, 9999px, 0);
		}

		.twentytwenty-container .twentytwenty-handle {
			left: 50%;
		}

		.twentytwenty-container span.title {
			position: absolute;
			top: 28%;
			left: 50%;
			transform: translateX(-50%);
			color: #fff;
			font-size: 56px;
			font-weight: bold;
			z-index: 50;
			font-family: Verdana, Geneva, Tahoma, sans-serif;
			white-space: nowrap;
		}

		@media screen and (max-width: 780px) {
			.twentytwenty-container {
				height: 200px;
			}

			.twentytwenty-container span.title {
				font-size: 20px;
				left: 50%;
				transform: translateX(-50%);
				top: 20%
			}

			/* 移动端也保持默认位置 */
			.twentytwenty-container .twentytwenty-before {
				clip: rect(0, 50%, 9999px, 0);
			}
		}