.bg {
	background: url("../images/help_bg.png") no-repeat;
	background-size: 100%;
}

.main_box {
	min-height: 974px;
	max-height: 100%;
	padding-top: 105px;
	padding-bottom: 68px;
}

.help_title {
	text-align: center;
	font-family: Source Han Sans CN;
	font-weight: bold;
	font-size: 40px;
	color: #333333;
}

.help_search {
	width: 690px;
	height: 68px;
	margin: 38px auto 0px auto;
	padding: 0 20px;
	display: flex;
	align-items: center;
	line-height: 68px;
	background: #FFFFFF;
	border-radius: 34px;
}

.help_search img {
	margin-right: 16px;
}

.help_search input {
	width: 100%;
	font-size: 18px;
}

.help_nav_flex {
	width: 880px;
	margin: 88px auto 55px auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.help_nav_item {
	width: 176px;
	height: 56px;
	text-align: center;
	line-height: 56px;
	font-family: Source Han Sans CN;
	font-weight: bold;
	font-size: 24px;
	color: #333333;
	cursor: pointer;
}

.help_nav_active {
	width: 176px;
	height: 56px;
	color: #FFFFFF;
	background: linear-gradient(90deg, #3E86F9 0%, #75AFFF 100%);
	border-radius: 30px;
}


.help_item1 {
	width: 100%;
	padding: 0 68px;
	box-sizing: border-box;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
}

.help_item1_row {
	width: 100%;
	height: 135px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	border-bottom: 1px dashed #999999;
	cursor: pointer;
}

.help_item1_row:last-child {
	border-bottom: none;
}

.help_item1_title {
	font-family: Source Han Sans CN;
	font-weight: bold;
	font-size: 16px;
	color: #333333;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	margin-bottom: 17px;
}

.help_item1_intro {
	font-family: "Source Han Sans CN", sans-serif;
	font-weight: 400;
	font-size: 14px;
	color: #666666;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	line-height: 22px;
	max-height: 45px;
}


.help_item2 {
	display: none;
}

.help_item2_flex {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
}

.help_item2_lf {
	width: 276px;
	height: 666px;
	padding: 50px 46px;
	box-sizing: border-box;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
}



.help_item2_rt {
	width: 1114px;
	min-height: 666px;
	padding: 53px 65px;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
}

.help_item2_rt_title {
	font-family: Source Han Sans CN;
	font-weight: bold;
	font-size: 18px;
	color: #000000;
	text-align: center;
	margin-bottom: 16px;
}

.help_item2_rt_content {
	font-family: Source Han Sans CN;
	font-weight: 400;
	font-size: 16px;
	color: #000000;
	line-height: 27px;
}

.help_item2_rt_content p {
	margin-bottom: 10px;
}

.help_item2_rt_content img {
	max-width: 100%;
	max-height: 100%;
}


.help_item3 {
	display: none;
}

.help_item3_flex {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
}

.help_item3_lf {
	width: 276px;
	height: 666px;
	padding: 50px 46px;
	box-sizing: border-box;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
}



.help_item3_rt {
	width: 1114px;
	min-height: 666px;
	padding: 0px 65px;
	background: #FFFFFF;
	box-shadow: 0px 6px 40px 0px rgba(47, 113, 222, 0.11);
	border-radius: 10px;
}

.help_item3_rt_grid {
	display: flex;
	flex-wrap: wrap;
	margin-top: 32px;
}

.help_item3_rt_item {
	width: 292px;
	background: #F9F9F9;
	border-radius: 10px;
	overflow: hidden;
	cursor: pointer;
	margin-right: 32px;
	margin-bottom: 32px;
}

.help_item3_rt_item:nth-child(3n) {
	margin-right: 0;
}

.help_item3_rt_item_t {
	width: 100%;
	height: 164px;
	position: relative;
	overflow: hidden;
}

.paly {
	width: 48px;
	height: 48px;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.help_item3_rt_item .img {
	width: 100%;
	height: 100%;
	transition: all .5s;
}

.help_item3_rt_item:hover .img {
	transform: scale(1.1);
}

.time {
	position: absolute;
	right: 10px;
	bottom: 10px;
	padding: 2px 8px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	font-size: 14px;
	color: #FFFFFF;
	box-sizing: border-box;
	border-radius: 5px;
	background-color: rgba(0, 0, 0, 0.5);
}

.help_item3_rt_item_b {
	width: 100%;
	height: 52px;
	display: flex;
	align-items: center;
	padding: 0 22px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	font-size: 16px;
	color: #333333;
	box-sizing: border-box;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}


.sideMenu {
	width: 100%;
}

.sideMenu h3 {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-family: 'Source Han Sans CN', sans-serif;
	font-weight: 400;
	font-size: 16px;
	color: #333333;
	margin: 0;
	padding: 10px 0;
	cursor: pointer;
	transition: background-color 0.3s ease;
}

.sideMenu h3:hover {
	background-color: #f9f9f9;
}

.sideMenu h3 img {
	width: 14px;
	height: 14px;
}

.sideMenu h3 .toggle-icon {
	margin-left: auto;
	transition: transform 0.3s ease;
}

.sideMenu ul {
	display: none;
	list-style: none;
	margin: 0;
	padding: 0;
}

.sideMenu ul li {
	padding: 8px 16px;
	margin: 0;
	font-size: 14px;
	color: #555555;
	border-left: 2px solid transparent;
	transition: all 0.3s ease;
}

.sideMenu ul li:hover {
	color: #007aff;
	border-left: 2px solid #007aff;
	background-color: #f9f9f9;
}

.sideMenu ul li.active {
	color: #007aff;
	border-left: 2px solid #007aff;
	background-color: #f0f8ff;
}