.help-center {
	position: relative;
	padding: 60px 0 36px;
	overflow: hidden;
}

.help-center .banner.pxx {
	background: url(https://al-lecture-new-oss.oss-cn-hangzhou.aliyuncs.com/ah_website/images/bg-home.webp) no-repeat;
	background-position-x: 0%;
	background-position-y: 0%;
	background-size: auto;
	background-position: 50%;
	background-size: cover;
}

.help-center .banner {
	position: relative;
	box-sizing: border-box;
	padding-top: 56px;
	width: 100%;
	height: 280px;
	z-index: 10;
}

.banner-wrap {
	position: relative;
	height: 50px;
	margin-bottom: 44px;
	text-align: center;
	font-size: 36px;
	color: #222;
	line-height: 50px;
	font-weight: 600;
}

.search-wrap {
	position: relative;
	margin: 0 auto;
	width: 588px;
	max-width: 80%;
}

.search-input {
	width: 100%;
}


.el-input {
	position: relative;
	font-size: 14px;
	display: inline-block;
	width: 100%;
}

.search-menu {
	position: relative;
	background-color: #FFFFFF;
	top: 10px;
	display: flex;
	flex-direction: column;
	gap: 20px;
	box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
	border-radius: 5px;
	font-size: 14px;
	max-height: 280px;
	overflow-y: auto;
	scrollbar-width: thin;
}

.search-menu .menu-ctx {
	padding: 5px 20px 5px 20px;
	color: rgb(32, 32, 32);
	cursor: pointer;
}
.search-menu .search-menu-empty{
	width: 100%;
	height: 260px;
	display: flex;
	flex-direction: column;
	gap: 50px;
	align-items: center;
	justify-content: center;
}

.empty-img{
	width: 120px;
	height: 120px;
}

.menu-ctx:hover {
	background-color: #f5f7fa
}

.search-menu .title {
	padding: 20px 20px 5px 20px;
	color: #606266;
}

.search-input input {
	width: 100%;
	height: 56px;
	border: none;
	border-radius: 8px;
	font-size: 16px;
	padding-left: 60px !important;
	outline: none;
}

.search-input .el-input__prefix {
	left: 16px;
}

.el-input__prefix {
	height: 100%;
	text-align: center;
	transition: all .3s;
}

.el-input__prefix {
	position: absolute;
	left: 5px;
	top: 0;
	color: #c0c4cc;
}

.help-card {
	padding-left: 6px;
	padding-right: 6px;
}

.icon-search {
	display: inline-block;
	width: 28px;
	height: 56px;
	background: url(data:image/png;base64,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) no-repeat;
	background-position-x: 0%;
	background-position-y: 0%;
	background-size: auto;
	background-size: 100%;
	background-position: 50%;
}

.user-manual {
	position: relative;
	max-width: 1200px;
	width: 1200px;
	margin: 20px auto 0;
	z-index: 1;
}

.manual-title {
	font-size: 24px;
	color: #333;
	font-weight: 600;
}

.manual-content {
	margin: 24px auto 80px;
	display: flex;
	justify-content: flex-start;
	flex-wrap: wrap;
	margin-left: -6px;
	margin-right: -6px;
}

.manual-card {
	height: 188px;
	width: 291px;
	box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .08);
	border-radius: 12px;
	position: relative;
	padding-top: 40px;
	box-sizing: border-box;
	display: flex;
	flex-direction: column;
	align-items: center;
	font-size: 20px;
	color: #222;
	font-weight: 600;
	margin-bottom: 24px;
	transition: background .3s;
	cursor: pointer;
}

.manual-card:hover {
	box-shadow: 0 2px 16px 0 rgba(0, 0, 0, .16);
}

.user-manual .manual-content .manual-card img {
	margin-bottom: 24px;
	width: 48px;
}