.about-bg{
    width: 100%;
    background-image: url("../image/about/banner2.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    font-family: "HarmonyOS Sans SC";
}
.about-bg>h2{
    color: #0f1d3f;
    font-weight: bold;
    padding-top: 71px;
    padding-left: 100px;
    position: relative;
}
.about-bg>h2:after{
    content: "";
    width: 166px;
    height: 3px;
    background-color: #48bae8;
    display: block;
    margin-top: 12px;
}
.about-bg>h6{
 color: #7e7f82;
    font-weight: bold;
    padding-left: 100px;
}
.about-text{
    margin-top: 62px;
    margin-left: 100px;
}
.ap-text{
    /*font-size: 18px;*/
    font-size: calc(16px + 0.15vw);
    color: #737373;
}
.a-container{
    width: 100%;
   margin-top: 140px;
    padding: 0px;
}
.ac-bg{
    background-image: url("../image/about/textbg.jpg");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}
.mt-140{
   margin-top: 140px;
}
.ac-text{
    font-family: "HarmonyOS Sans SC";
}
.ac-text>h2{
    color: #0f1d3f;
    font-weight: bold;
    position: relative;
}
.ac-text>h2:after{
    content: "";
    width: 186px;
    height: 3px;
    background-color: #3eb7e7;
    display: block;
    position: absolute;
    left: 50%;
    margin-left: -93px;
    bottom: -20px;
}
.acp-text{
    width: 840px;
    margin: auto;
    /*font-size: 22px;*/
    font-size: calc(16px + 0.35vw);
    color: #737373;
}
.mb-170{
    margin-bottom: 170px;
}
@media (max-width: 768px)
{
    .a-banner>.d-flex{
       flex-direction: column;
    }
    .acp-text{
        width: 100%;;
    }
}
@media (max-width: 576px){
    .about-text{
        margin-left: 0;
    }
}