.max {
		width: 100%;
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.max .center-content {
		width: 100%;
	}

	.max .center-content .center-content-tu {
		position: relative;
		margin-bottom: 10px;
		text-align: center;
	}
	

	.max img {
		vertical-align: middle;
		width: 100%;
	}

	.max .center-content-tu .content-title {
		width: 100%;
		position: absolute;
		top: 35px;
		z-index: 1;
	}

	.max h4 {
		text-align: center;
		font-size: 24px;
		font-weight: bold;
		margin-bottom: 15px;
	}

	.max span {
		font-size: 18px;
		display: block;
		text-align: center;
		line-height: 28px;
	}
	.max .center-content .introduce h4{
		text-align:left !important;
	}
	.max .center-content .introduce p{
		text-indent: 2em;
		line-height: 26px;
		margin-bottom: 20px;
	}