.banner {
    height: 23.75vw;/*435px*/
    background: url(../img/itsBusinessbanner.jpg) no-repeat center center;
}
/* tab切换 */
.tabTit{
    width: 100%;
    height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.titItem{
    width: 110px;
    height: 32px;
    border: 1px solid #000;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 25px;
    cursor: pointer;
}
.select{
    background: #000;
    color: #fff;
}
.contItem{
    display: none;
}
#con div.show {
    display: block;
}
/* tab切换 end */
.itsBusiness{
    width: 900px;
    margin: 0 auto 60px auto;
    background: #f9f9f9;
    border-radius: 12px;
    padding: 20px 40px;
}
/*业务内容的样式*/
.itsBusiness img {
    width: 750px;
    margin:10px;
}
.itsBusiness p {
    line-height: 1.6em;
    margin: 10px auto;
    text-indent: 2em;
}

.itsBusiness h1,
.itsBusiness h2,
.itsBusiness h3,
.itsBusiness h4,
.itsBusiness h5
{
    font-weight: bold;
}
.itsBusiness h1 {
    font-size:2.5em;
    text-align: center;
}
.itsBusiness h2 {
    font-size:2.2em;
}
.itsBusiness h3 {
    font-size:2em;
    color:gray;
}
.itsBusiness h4 {
    font-size:1.8em;
}
.itsBusiness h5 {
    font-size:1.5em;
}
.itsBusiness A:hover {
    color:#ef7d00;
}

.busText{
    padding: 30px 0;
}

.busImgBox{
}
.busImg{
    width: 810px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.busImg img{
    min-width: 402px;
    max-width: 810px;
}