.body {margin: 0 auto ; background-color: #f7f7f7;min-width: 1400px;width: 80%;}
.lunbo >img {
    width: 100%;
}
.product {
    text-align: center;
    position: relative;
    padding: 0 260px;
}
.product > div > img {
    width: 100%;
}
.product > div:first-child {
    background-color: #fff;
    padding-top: 10px;
    z-index: 10;
}
.product > div:first-child > p:last-child {
    font-size: 30px;
    color: #eee;
    font-weight: 600;
}
.product > div:first-child > p:first-child {
    font-size: 19px;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    margin:auto;
}
.case_navbar {
    float: right;
    margin: 20px 0 50px;
}
.case_navbar > ul{
    list-style: none;
    display: flex;
}
.case_navbar li {
    margin-right: 35px;
    font-size: 14px;
}
.case_intr {
    display: flex;
    justify-content: space-between;
    padding-bottom: 60px;
}
.case_intr p {
    text-indent: 2em;
    height: 30px;
}
.case_intr > div {
    width: 47%;
    text-align: left;
}
.case_intr > div img {
    width: 100%;
}
.case_left > div:last-child > p:last-child {
    margin-top: 40px;
    color: #666;
    font-size: 14px;
    line-height: 20px;
}
.case_right > div:first-child > p:last-child {
    margin-top: 40px;
    color: #666;
    font-size: 14px;
    line-height: 20px;
}
.casetwo {
    background-color: #fff;
    color: #666;
    font-size: 14px;
    line-height: 20px;
    padding: 40px 260px;
    display: flex;
    justify-content: space-between;
}
.casetwo > div:first-child {
    width: 33%;
}
.casetwo > div:last-child {
    width: 63%;
}
.bigdata {
    margin-top: 40px;
    width: 100%;
    height: 110px;
    line-height: 110px;
    text-align: right;
    background-color: #f5f5f5;
    border-radius: 3px;
}