.big-banner {
	background-image: url(http://www.monalisa.com.cn/UploadFile/ads/aefe24e0-86a4-4461-accb-5f173c05f308.jpg);
    background-size: cover;
}

.big-banner .text {
	color: #fff;
	text-align: center;
	padding: 100px 0 110px;
}

.big-banner h3 {

      font-size: 3em;
}

.text p {
    width: 62px;
    height: 4px;
    background-color: #26a191;
    margin:  9px auto 0;
}

.part1 {
    padding: 1rem 0;
}
.part1 a {
   width: 32%;
    display: block;
    margin: .5% ;
}

.part1 a div{
    text-align: center;
}

.part1 img {
    max-width:100%;
}

.part1 video{

    margin: 0 auto;
    display: block;
        width: 65%;
}