.main-container {
	margin-top: 105px;
	margin-bottom: 30px;
}

.topBanner {
	width: 100%;
	margin-bottom: 15px;
}

.help-title {
	text-align: center;
	line-height: 50px;
	color: #000;
	font-size: 24px;
	background-color: #f2f2f2;
	border-radius: 2px;
	margin-bottom: 10px;
}

.help-p {
	font-size: 18px;
	margin: 20px 0;
}

.help-p>span {
	color: #FF0000;
}

.help-p>a {
	color: #333333;
	font-size: 18px;
}

.help-p>a:hover, .back a:hover {
	color: #3773f3;
}

.help-content {
	
}

.help-content img {
	margin-bottom: 15px;
	margin-right: 10px;
}

.help-content video {
	width: 30%;
}

.help-content img:nth-of-type(2n) {
	margin-right: 0;
}

.back a {
	font-size: 16px;
	color: #333333;
}

.text-left {
	text-align: left;
}

@media screen and (max-width: 641px) {
	.help-content img {
		width: 100%;
		margin-right: 0;
	}
	
	.help-content video {
		width: 100%;
	}
}