.introduce{
    height: 560px;
    background: url("../img/bg_aboutus.png") no-repeat;
    background-size: cover;

}
.int_ti{
    opacity: 0.8;
    font-family: PingFangSC-Medium;
    font-size: 28px;
    color: #FFFFFF;
    letter-spacing: 6px;
    text-align: center;
    line-height: 28px;
    padding: 156px 0 20px 0;
}
.p_text{
    width: 800px;
    margin: 0 auto;
    margin-top: 48px;
    opacity: 0.9;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
}
.line_cp{
    background: #F2F2F2;
    padding-bottom: 103px;
}
.l_ct{
    width: 1200px;
    margin: 0 auto;
}
.l_data{
    position: relative;
    width: 544px;
    background: #fff;
    border-radius: 5px;
    padding: 32px;
}
.l_data:after{
    content: "";
    position: absolute;
    top: -40%;
    right: -54px;
    height: 100px;
    width: 4px;
    background: #999999
}
.l_data span{
    position: absolute;
    background: #00ADEE;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    top: 50%;
    right: -60px;
}
.l_data p:nth-child(2){
    margin: 0;
    text-align: right;
    padding-bottom: 16px;
}
.l_data p:nth-child(3){
    margin: 0;
    text-align: right;
}
/*right*/
.r_ct{
    width: 1200px;
    margin: 0 auto;
    text-align: right;
}
.r_data{
    margin-top: 20px;
    position: relative;
    width: 544px;
    background: #fff;
    border-radius: 5px;
    padding: 32px;
    display: inline-block;
}
.r_data:after{
    content: "";
    position: absolute;
    top: -47%;
    left: -62px;
    height: 100px;
    width: 4px;
    background: #999999;
}
.r_data span{
    position: absolute;
    background: #00ADEE;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    top: 44%;
    left: -68px;
}
.r_data p:nth-child(2){
    margin: 0;
    text-align: left;
    padding-bottom: 16px;
}
.r_data p:nth-child(3){
    margin: 0;
    text-align: left;
}
.l_ct:last-child .l_data:before{
    content: "";
    position: absolute;
    top: 73%;
    right: -54px;
    height: 100px;
    width: 4px;
    background: #999999
}