.m-aboutus-content1{
    padding-top: 80%;
}
.m-aboutus-item{
    width: 33%;
    text-align: left;
}
.m-aboutus-item4{
    background-color: #f8f8f8;
    padding-top: 10%;
}
.m-aboutus4-img{
    padding-top: 8%;
}
.m-aboutus-item3{
    position: relative;
}
.m-aboutus-content3{
    position: absolute;
    z-index: 5;
    top: 8%;
}
.m-aboutus-item2{
    padding-top: 10%;
    background-color: #f8f8f8;
    padding-bottom: 10%;
}
.m-about2-period{
    display: flex;
    width: 90%;
    margin-left: 5%;
    padding-top: 8%;
}
.m-about2-period-left{
    width: 50%;
    padding-top: 10%;
}
.m-about2-period-right{
    width: 50%;
    border-left: 1px solid #9e9e9e;
}
.m-about2p-left-item{
    padding-right: 8%;
    margin-bottom: 15%;
}
.m-about2p-left-item img{
    border-radius: 2%;
}
.m-about2p-right-item {
    padding-left: 8%;
    margin-bottom: 15%;
}
.m-about2p-right-item img{
    border-radius: 2%;
}
.m-about2-period-year{
    padding-top: 5%;
    line-height: 30px;
    font-size: 14px;
    font-weight: bold;
}
.m-about2-period-text{
    line-height: 22px;
    font-size: 13px;
}
.m-aboutus3-link-div{
    display: flex;
    position: absolute;
    z-index: 5;
    top: 55%;
    width: 100%;
}
.m-aboutus3-more-button {
    color: #000000;
    margin: 0 auto;
    border-bottom: 1px solid #000000;
    padding-bottom: 2px;
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
}