.nav-item {
	width: 220px;
	height: 50px;
	margin: 35px auto auto auto;
}

.nav-sub-item {
	width: 110px;
	height: 50px;
	line-height: 50px;
	text-align: center;
	float: left;
	margin: auto;
	font-size: 14px;
}

.nav-sub-cur {
	font-weight: bold;
}

.about-info {
	margin: 70px auto auto auto;
}

.about-tit {
	height: 30px;
	line-height: 30px;
	font-size: 24px;
	font-weight: bold;
}

.about-sub-tit {
	height: 16px;
	line-height: 16px;
	font-size: 12px;
	color: #666666;
}

.about-detail {
	margin: 50px auto auto auto;
}

.about-detail p {
	margin-bottom: 15px;
	line-height: 30px;
	text-indent: 0.5rem;
}

.img-cent {
	margin: 10px 0 0 0;
	width: 190px;
	height: 260px;
}

.img-brand {
	width: 60px;
	height: 40px;
	margin: 5px 0 0 10px;
}