.column
{
    background-image: url('../images/plan.png');
}
.nav
{
    height: 100px;
    display: flex;
    justify-content: center;
}
#navLeft
{
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    border: none;
    background-color: white;
}
.checked
{
    font-size: 30px;
    font-family: Microsoft YaHei, Microsoft YaHei-Regular;
    font-weight: 400;
    text-align: left;
    color: #0b997e;
    margin-left: 19px;
}
.navLine
{
    width: 1px;
    height: 100px;
    background: #e6e6e6;
    margin-left: 73px;
}
#navCenter
{
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    border: none;
    background-color: white;
    margin-left: 44px;
}
.Unchecked
{
    font-size: 30px;
    font-family: Microsoft YaHei, Microsoft YaHei-Regular;
    font-weight: 400;
    text-align: left;
    color: #677A76;
    margin-left: 19px;
}
#unCheckedNavLeft
{
    position: absolute;
    align-items: center;
    cursor: pointer;
    border: none;
}
.unCheckedNavLeftflex
{
    display: flex;
    align-items: center;
    cursor: pointer;
}
.navLineTwo
{
    width: 1px;
    height: 100px;
    background: #e6e6e6;
    margin-left: 43px;
}
.navRight
{
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    border: none;
    background-color: white;
    margin-left: 73px;
}
#unCheckedNavCenter
{
    display: flex;
    align-items: center;
    cursor: pointer;
    position: absolute;
    display: none;
}
#unCheckedNavRight
{
    display: flex;
    align-items: center;
    cursor: pointer;
    position: absolute;
    display: none;
}
.mainContent
{
    width: 1400px;
    height: 219px;
    font-size: 22px;
    font-family: Microsoft YaHei, Microsoft YaHei-Regular;
    font-weight: 400;
    text-align: left;
    color: #212121;
    line-height: 36px;
    margin: 0 auto;
    margin-top: 78px;
    text-align: justify;
}
.main
{
    height: 1533px;
    background: #F7F8FA;
}
.mainPicture img{
    width: 1400px;
}
#content1,#content2,#content3{
    height: auto;
}
.mainPicture
{
    text-align: center;
    padding-top: 81px;
}
#popBack {height: 1978px;}