.banner1 {
    position: relative;
}

.about *,
.banner1 * {
    margin-bottom: 0;
}

.banner1 .pic video,
.banner1 .pic img {
    display: block;
    width: 100%;
}

.banner1 .slideBox {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.banner1 .slideBox .des {
    font-weight: bold;
    color: #FFFFFF;
    line-height: 1;
}

.banner1 .slideBox .title {
    font-weight: bold;
    color: #2A84FF;
    line-height: 1.33;
    margin-top: .75em;
}

.about .box1 {
    padding: 60px 0 60px;
    background-color: RGBA(250, 250, 250, 1);
}

.about .box4 .box-c,
.about .box3 .box-c,
.about .box2 .box-c,
.about .box1 .box-c {
    display: flex;
    justify-content: space-between;
}

.about .box1 .box-c .l,
.about .box2 .box-c .l,
.about .box3 .box-c .l,
.about .box4 .box-c .l {
    width: 26.28%;
}

.aboutTitle {
    text-align: left;
}

.aboutTitle .zh {
    color: #222222;
    line-height: 1;
}

.aboutTitle .en {
    font-family: Rany-Bold;
    color: #222222;
    line-height: 1;
    text-transform: uppercase;
    margin-top: .83em;
}

.about .box1 .box-c .r,
.about .box2 .box-c .r,
.about .box3 .box-c .r,
.about .box4 .box-c .r {
    width: 68.57%;
}

.about .box1 .box-c .r .text-box {
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
}

.about .box1 .box-c .r .text-box .text-title {
    font-size: 24px;
    color: rgba(34, 34, 34, 1);
    font-weight: bold;
}

.about .box1 .box-c .r .img .pic {
    border-radius: 10px;
    margin-top: 48px;
}

.about .box2 {
    padding: 60px 0;
}

.about .box2 .r .title {
    font-weight: 300;
    color: #222222;
    line-height: 1.33;
}

.about .box2 .r .list {
    margin-top: 54px;
}

.about .box2 .r .list li {
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
}

.about .box2 .r .list li:not(:last-child) {
    margin-bottom: 23px;
}

.about .box2 .r .list li .li-des {
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-weight: 300;
    color: #222222;
    line-height: 30px;
}

.about .box3 {
    padding: 100px 0 256px;
    background: url(../img/about-box3-1.jpg);
    background-size: cover;
}

.about .box4 .aboutTitle .zh,
.about .box4 .aboutTitle .en,
.about .box3 .aboutTitle .zh,
.about .box3 .aboutTitle .en {
    color: #fff;
}

.about .box3 .r {
    padding-top: 80px;
}

.about .box3 .r .title {
    font-family: Rany-Bold;
    color: #FAFAFA;
    line-height: 1;
    text-transform: uppercase;
}

.about .box3 .r .des {
    font-weight: bold;
    font-size: 18px;
    color: #FAFAFA;
    line-height: 30px;
    margin-top: 40px;
}
.about .box4 {
    padding: 100px 0 84px;
    background: url(../img/about-box4-1.jpg);
    background-size: cover;
}
.about .box4 .r li{
    font-size: 16px;
    color: #FAFAFA;
    line-height: 30px;
}
.about .box4 .r li:not(:last-child){
    margin-bottom: 40px;
}
.about .box4 .r li .li-title{
    font-weight: bold;
    font-size: 18px;
}
.about .box4 .r li .li-des{
    font-family: Microsoft YaHei;
    font-weight: 300;
}
@media (max-width: 1199px) {
    .banner1 .pic video, .banner1 .pic img{
		min-height: 340px;
        object-fit: cover;
	}
    .about .box4,
    .about .box3,
    .about .box2,
    .about .box1{
        padding: 80px 0;
    }
    .about .box1 .box-c .r .img .pic{
        margin-top: 45px;
    }
    .aboutTitle .en{
        margin-top: .4em;
    }
    .about .box1 .box-c .r .text-box .text-title{
        font-size: 22px;
    }
    .about .box2 .r .list{
        margin-top: 40px;
    }
    .about .box3 .r .des{
        margin-top: 30px;
    }
    .about .box4 .r li:not(:last-child){
        margin-bottom: 35px;
    }
}
@media (max-width: 1024px) {
    .about .box4 .r li:not(:last-child){
        margin-bottom: 30px;
    }
    .about .box3 .r .des{
        margin-top: 25px;
    }
    .about .box2 .r .list{
        margin-top: 35px;
    }
    .about .box3 .r{
        padding-top: 0;
    }
    .about .box4 .box-c, .about .box3 .box-c, .about .box2 .box-c, .about .box1 .box-c{
        flex-direction: column;
    }
    .about .box1 .box-c .l, .about .box2 .box-c .l, .about .box3 .box-c .l, .about .box4 .box-c .l,
    .about .box1 .box-c .r, .about .box2 .box-c .r, .about .box3 .box-c .r, .about .box4 .box-c .r{
        width: 100%;
    }
    .about .box1 .box-c .r, .about .box2 .box-c .r, .about .box3 .box-c .r, .about .box4 .box-c .r{
        margin-top: 40px;
    }
    .about .box1 .box-c .r .text-box .text-title{
        font-size: 20px;
    }
    .about .box4,
    .about .box3,
    .about .box2,
    .about .box1{
        padding: 70px 0;
    }
    .about .box1 .box-c .r .img .pic{
        margin-top: 40px;
    }
}
@media (max-width: 768px) {
    .about .box4 .r li:not(:last-child){
        margin-bottom: 25px;
    }
    .about .box3 .r .des{
        margin-top: 20px;
    }
    .about .box2 .r .list{
        margin-top: 25px;
    }
    .about .box4,
    .about .box3,
    .about .box2,
    .about .box1{
        padding: 60px 0;
    }
    .about .box1 .box-c .r, .about .box2 .box-c .r, .about .box3 .box-c .r, .about .box4 .box-c .r,
    .about .box1 .box-c .r .img .pic{
        margin-top: 30px;
    }
    .about .box1 .box-c .r .text-box .text-title{
        font-size: 18px;
    }
    .about .box3 .r .des{
        font-size: 16px;
    }
    .about .box3 .r .title{
        font-size: 22px;
    }
}
@media (max-width: 500px) {
    .about .box4 .r li .li-title{
        font-size: 16px;
    }
    .about .box4 .r li{
        font-size: 14px;
        line-height: 24px;
    }
    .about .box4 .r li:not(:last-child){
        margin-bottom: 20px;
    }
    .about .box3 .r .title{
        font-size: 20px;
    }
    .about .box3 .r .des{
        margin-top: 15px;
    }
    .about .box2 .r .title{
        font-size: 20px;
    }
    .about .box2 .r .list li{
        font-size: 16px;
        line-height: 24px;
    }
    .about .box2 .r .list{
        margin-top: 20px;
    }
    .about .box2 .r .list li .li-des,
    .about .box1 .box-c .r .text-box{
        font-size: 14px;
        line-height: 24px;
    }
    .about .box4,
    .about .box3,
    .about .box2,
    .about .box1{
        padding: 50px 0;
    }
    .about .box1 .box-c .r, .about .box2 .box-c .r, .about .box3 .box-c .r, .about .box4 .box-c .r,
    .about .box1 .box-c .r .img .pic{
        margin-top: 25px;
    }
}