#content.hidden {
	display: none;
}

.primary-btn {
	padding: 15px 30px;
	font-size: 18px;
	color: white;
	background-color: #007bff;
	border: none;
	border-radius: 5px;
	cursor: pointer;
	transition: background-color 0.3s ease;
}

.primary-btn:hover {
	background-color: #0056b3;
}

.fullscreen-container {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: white;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	z-index: 1000;
	background-size: 100%;
}

#textContainer {
	/*display: flex;*/
	/*flex-direction: column;*/
	/*gap: 10px; !* 段落之间的间距 *!*/
	position: fixed;
	top: 8vh;
	margin-bottom: 20px;
	font-size: 72px; /* 默认字体大小为48px */
	text-align: center;
	max-width: 80%;
	overflow: auto;
}

#textContainer p {
	line-height: 1.6; /* 默认行距为1.6 */
	margin: 0; /* 去掉默认的段落外边距 */
}

.controls {
	position: fixed;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	background-color: rgba(255, 255, 255, 0.7);
	padding: 10px;
	border-radius: 10px;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.control-btn {
	padding: 10px 20px;
	font-size: 16px;
	color: white;
	background-color: #3f51b5;
	border: none;
	border-radius: 5px;
	cursor: pointer;
	transition: background-color 0.3s ease;
}

.control-btn:hover {
	background-color: #465ac9;
}

.exit-btn {
	background-color: #FD6E00;
}

.exit-btn:hover {
	background-color: #fa7e1e;
}

#pageInfo {
	position: fixed;
	bottom: 30px; /* 调整位置，避免与按钮重叠 */
	left: 50%;
	transform: translateX(-50%);
	font-size: 16px;
	color: #4a4a4a;
	padding: 10px 20px;
	/*box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);*/
	white-space: nowrap; /* 防止文本换行 */
	z-index: 1000;
}