.namespace-about .section {
    padding-top: 90px;
}
.namespace-about .banner .play-btn {
    background: #505050;
    width: 40px;
    height: 40px;
}
.namespace-about .banner {position: relative;}
.box {
    position: absolute;
    left: 68%;
    top: 46%;
}
.namespace-about .banner .play-text {
    width: 40px;
    height: 40px;
    padding-top: 0;
    padding-left: 30px;
}
.namespace-about .banner {
    padding-top: 430px;
    padding-bottom: 463px;
}
.namespace-about .section .des {width: 72%;}
.box-new {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.box-new .item {
    width: 31.37%;
    float:left;
    text-align: center;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px 10px 16px 4px rgba(0, 0, 0, 0.2);
    height: 597px;
    z-index: 117;
    margin: 2% 0.9%; 
}
.item-img {
    width: 150px;
    height: 110px;
    margin: 62px auto 14px auto;
}
/* .item-img img {width: 100%;} */
.item-text h2 {
        font-size: 36px;
        font-family: "Roboto";
        color: rgb(66, 66, 66);
        font-weight: bold;
        text-transform: uppercase;
        line-height: 45px;
        text-align: center;
}
.item-text b {
        background-color: rgb(26, 132, 130);
        display: block;
        margin: 14px auto 33px auto;
        width: 80%;
        height: 4px;
        z-index: 129;
}
.item-text p {
        font-size: 24px;
        color: rgb(117, 117, 117);
        line-height: 1.2;
        text-align: center;
        width: 81%;
        margin: 0 auto;   
}
@media screen and (max-width: 767px) {
    .namespace-about .section {
        padding-top: 50px;
        padding-bottom: 30px;
    }
    .namespace-about .banner {
        height: 43vh;
        padding-top: 112px;
        padding-bottom: 45px;
    }
    .box {
        left: 78%;
        top: 44%;
    }
    .namespace-about .banner .play-btn {
        width: 17px;
        height: 17px;
    }
    .namespace-about .banner .phone{
        display:block;
    }
    .namespace-about .banner .play-text {
        display:none;
    }
    .namespace-about .section .des {width: 100%;}
    .box-new .item {
        width: 95%;
        float: none;
        height: 355px;
        margin: 9% 3%;
    }
    .item-img {
        margin: 12px auto;
        padding-top: 15px;
    }
    .item-text h2 {
        font-size: 24px;
        line-height: 1.2;
    }
    .item-text b {
        margin: 14px auto 22px auto;
    }
    .item-text p {
        font-size: 14px;
    }
}
@media screen and (min-width: 768px) and (max-width:1023px) {
    .namespace-about .banner {
        height: 60vh;
        padding-top: 108px;
        padding-bottom: 74px;
    }
    .box {
        left: 78.2%;
        top: 44%;
    }
    .namespace-about .banner .play-text {
        padding-left: 6px;
    }
    .box-new .item {
        height: 430px;
        margin: 4% 0.9%;
    }
    .item-img {margin: 15px auto 0 auto;}
    .item-img img {
        object-fit: scale-down;
        width: 50%;
        height: 100%;
    }
    .item-text h2 {
        font-size: 24px;
        margin: 0;
    }
    .item-text p {
        font-size: 14px;
        width: 90%;
    }
}
@media screen and (min-width: 1024px) and (max-width:1365px) {
    .box {
        left: 81%;
        top: 46%;
    }
    .box-new .item {
        height: 370px;
        margin: 4% 0.9%;
    }
    .item-img {margin: 15px auto 0 auto;}
    .item-img img {
        object-fit: scale-down;
        width: 50%;
        height: 100%;
    }
    .item-text h2 {
        font-size: 24px;
        margin: 0;
    }
    .item-text p {
        font-size: 14px;
        width: 90%;
    }
    .namespace-about .section {
        padding-bottom: 60px;
    }
}
@media screen and (max-width:1400px) and (min-width:1366px) {
    .box {
        left: 74%;
        top: 46.5%;
    }
    .item-text p {
        font-size: 22px;
    }
}
@media screen and (max-width:1500px) and (min-width:1401px) {
    .box {
        left: 73%;
        top: 46%;
    }
    .item-text p {
        font-size: 22px;
    }
}
@media screen and (max-width:320px) {
    .header .nav-left {
        width: 80%;
    }
    .box {
        left:76%;
    }
}
@media screen and (max-width:375px){
    .namespace-about .banner {
        height: 37.5vh;
        padding-top: 100px;
        padding-bottom: 50px;
    }
}