::-webkit-scrollbar {
	display: none;
	/* 隐藏滚动条 */
}

#technicalSupport, #aboutUs{
	display: none;
}

.pointer {
	cursor: pointer;
}

.theme {
	height: 100vh;
	min-height: 500px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	background-color: #70a1ff;
	/* background: linear-gradient(135deg, #636e72, #0072ff); */
	color: white;
}

.theme h1 {
	font-size: 48px;
	margin-bottom: 20px;
}

.theme p {
	font-size: 24px;
	margin-bottom: 30px;
}

.theme-2 {
	padding-top: 40px;
	padding-bottom: 40px;
}

.theme-2-p {
	padding-top: 10px;
}

.cta-button {
	display: inline-block;
	padding: 15px 30px;
	font-size: 18px;
	color: #0072ff;
	background-color: white;
	border: 2px solid white;
	border-radius: 50px;
	text-decoration: none;
	transition: all 0.3s ease;
}

.cta-button:hover {
	background-color: transparent;
	color: white;
	text-decoration: none;
}

.technicalSupport-theme {
	height: 100vh;
	min-height: 500px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	background-color: #74b9ff;
	color: white;
}

/* 技术支持页面 */
#arrow-container {
	position: fixed;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	width: 50px;
	/* 根据实际情况调整 */
	height: 50px;
	/* 根据实际情况调整 */
	pointer-events: none;
	/* 防止箭头阻挡点击事件 */
}

#dark-arrow,
#light-arrow {
	position: absolute;
	width: 100%;
	height: 100%;
	opacity: 0;
	animation: slide 2s infinite;
}

#dark-arrow {
	animation-delay: -1s;
	/* 延迟使得两个箭头交替显示 */
}

@keyframes slide {

	0%,
	100% {
		transform: translateY(0);
		opacity: 0;
	}

	50% {
		transform: translateY(10px);
		opacity: 1;
	}
}

.download-div {
	width: 200px;
	height: 200px;
	background-color: floralwhite;
	border-radius: 50%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	cursor: pointer;
}

.download-div img {
	width: 50%;
	height: 50%;
}

#download-text {
	color: #8a8a8a;
	font-size: 20px;
}

.technicalSupport-course {
	padding-top: 40px;
	padding-bottom: 40px;
}

.technicalSupport-course .row {
	padding-top: 10px;
}

.technicalSupport-course .row .col-md-4 .text-center {
	padding-bottom: 10px;
}

#tutorialVideo {
	width: 100%;
	height: 260px;
	background-color: #a4b0be;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	cursor: pointer;
	border-radius: 10px;
	transition: transform 0.3s ease;
	/* 平滑过渡效果 */
}

#tutorialVideo:hover {
	transform: scale(1.05);
	/* 放大1.5倍 */
}