.culBg{
    font-size: 18px;
    color: #666666;
    line-height: 28px;
}
.culBg .wrap{
    max-width: 1230px;
}
.culBg1{
    padding: 80px 0;
}
.culBg2{
    padding: 90px 0;
    background: #F8F8F8;
}
.culBg3{
    padding: 60px 0;
    min-height: 640px;
    background: url(../images/about/culBg3.jpg) center top no-repeat;
    background-size: cover;
}
.culBg4{
    padding: 60px 0 100px;
    min-height: 540px;
    background: url(../images/about/culBg4.jpg) center center no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
}

.culEn{
    font-size: 64px;
    font-family: Futura-Bold, Futura;
    font-weight: bold;
    color: #666666;
    line-height: 64px;
    opacity: .1;
}
.culTit{
    font-size: 40px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 600;
    color: #333333;
    line-height: 48px;
    margin: 20px 0;
}
.culTit img{
    width: 48px;
    height: auto;
    margin-right: 22px;
    vertical-align: middle;
    margin-top: -2px;
}
.culText{
    margin-top: 100px;
    margin-top: 50px;
}
.culText h4{
    font-size: 24px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 600;
    color: #333333;
    line-height: 1.6;
    margin: 20px 0 10px;
}
.culText h4 span{
    padding: 0 25px;
}
.culRig img{
    max-width: 100%;
    height: auto;
}
.culBg1 .culLef{
    float: left;
    width: 45%;
}
.culBg1 .culText{
    margin-top: 80px;
}
.culBg1 .culRig{
    float: right;
    width: 44%;
    padding-top: 40px;
    text-align: right;
}
.culBg1 .culRig img{
    max-width: 100%;
    height: auto;
}
.culBg2 .culLef{
    float: left;
    width: 33%;
}
.culBg2 .culText{
    float: right;
    width: 66%;
    margin-top: 80px;
}
.culBg2 .culRig{
    margin-top: 70px;
}
.culBg3 .culLef{
    float: left;
    width: 47%;
}
.culBg3 .culRig{
    float: right;
    width: 46%;
    padding-top: 60px;
}
.cul3List{
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    margin: 0 -.1rem;
}
.cul3List li{
    width: 50%;
    padding: .1rem;
}
.cul3List li img{
    display: block;
    width: 100%;
    height: auto;
}
.cul3List li:nth-child(2n){
    margin-top: -.3rem;
}
.culBg4 .culEn,
.culBg4 .culTit,
.culBg4 .culText h4{
    color: #FFFFFF;
}
.culBg4 .culLef{
    max-width: 640px;
    color: #FFFFFF;
    padding-bottom: 20px;
}
.culBg4 .culEn{
    max-width: 280px;
}
@media only screen and (min-width: 1200px) and (max-width: 1920px) {
    .culBg{
        font-size: 0.937vw;
        color: #666666;
        line-height: 1.458vw;
    }
    .culBg .wrap{
        max-width: 64.06vw;
    }
    .culBg1{
        padding: 4.166vw 0;
    }
    .culBg2{
        padding: 4.687vw 0;
        background: #F8F8F8;
    }
    .culBg3{
        padding: 3.125vw 0;
        min-height: 33.33vw;
        min-height: 28.125vw;
        background: url(../images/about/culBg3.jpg) center top no-repeat;
        background-size: cover;
    }
    .culBg4{
        padding: 3.125vw 0 6.2vw;
        min-height: 33.33vw;
        min-height: 28.125vw;
        background: url(../images/about/culBg4.jpg) center center no-repeat;
        background-size: cover;
        display: flex;
        align-items: center;
    }

    .culEn{
        font-size: 3.333vw;
        font-family: Futura-Bold, Futura;
        font-weight: bold;
        color: #666666;
        line-height: 3.333vw;
        opacity: .1;
    }
    .culTit{
        font-size: 2.083vw;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 600;
        color: #333333;
        line-height: 2.5vw;
        margin: 1.041vw 0;
    }
    .culTit img{
        width: 2.5vw;
        height: auto;
        margin-right: 1.145vw;
        vertical-align: middle;
        margin-top: -0.104vw;
    }
    .culText {
        margin-top: 5.208vw;
        margin-top: 2.604vw;
    }
    .culText h4{
        font-size: 1.25vw;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 600;
        color: #333333;
        line-height: 1.6;
        margin: 1.041vw 0 0.520vw;
    }
    .culText h4 span{
        padding: 0 1.302vw;
    }
    .culRig img{
        max-width: 100%;
        height: auto;
    }
    .culBg1 .culLef{
        float: left;
        width: 45%;
    }
    .culBg1 .culText {
        margin-top: 4.166vw;
    }
    .culBg1 .culRig{
        float: right;
        width: 44%;
        padding-top: 2.083vw;
        text-align: right;
    }
    .culBg1 .culRig img{
        max-width: 100%;
        height: auto;
    }
    .culBg2 .culLef{
        float: left;
        width: 33%;
    }
    .culBg2 .culText{
        float: right;
        width: 66%;
        margin-top: 4.166vw;
    }
    .culBg2 .culRig{
        margin-top: 3.645vw;
    }
    .culBg3 .culLef{
        float: left;
        width: 47%;
    }
    .culBg3 .culRig{
        float: right;
        width: 46%;
        padding-top: 3.125vw;
    }
    .cul3List{
        list-style: none;
        display: flex;
        flex-wrap: wrap;
        margin: 0 -.1rem;
    }
    .cul3List li{
        width: 50%;
        padding: .1rem;
    }
    .cul3List li img{
        display: block;
        width: 100%;
        height: auto;
    }
    .cul3List li:nth-child(2n){
        margin-top: -1.562vw;
    }
    .culBg4 .culEn,
    .culBg4 .culTit,
    .culBg4 .culText h4{
        color: #FFFFFF;
    }
    .culBg4 .culLef{
        max-width: 33.33vw;
        color: #FFFFFF;
        padding-bottom: 1vw;
    }
    .culBg4 .culEn{
        max-width: 14.58vw;
    }
}
@media (max-width:1200px) {
    .culEn{
        font-size: .5rem;
        line-height: 1;
    }
    .culTit{
        font-size: .32rem;
        line-height: 1.2;
        margin: .2rem 0;
    }
    .culTit img{
        width: 36px;
        margin-right: .16rem;
    }
    .culText{
        margin-top: .2rem;
    }
    .culText h4{
        font-size: 18px;
        margin: .2rem 0 .1rem;
    }
    .culText h4 span{
        padding: 0 .1rem;
    }
    .culBg{
        font-size: 16px;
        line-height: 2;
    }
    .culBg1{
        padding: .6rem 0;
    }
    .culBg1 .culLef{
        float: none;
        width: 100%;
    }
    .culBg1 .culText {
        margin-top: .2rem;
    }
    .culBg1 .culRig{
        float: none;
        width: 100%;
        text-align: center;
        padding-top: .3rem;
    }
    .culBg2{
        padding: .6rem 0;
    }
    .culBg2 .culLef{
        float: none;
        width: 100%;
    }
    .culBg2 .culText{
        float: none;
        width: 100%;
        margin-top: .2rem;
    }
    .culBg2 .culRig{
        margin-top: .4rem;
    }
    .culBg3{
        min-height: 0;
        padding: .6rem 0;
    }
    .culBg3 .culLef{
        float: none;
        width: 100%;
    }
    .culBg3 .culRig{
        float: none;
        width: 100%;
        padding-top: .2rem;
    }
    .culBg4{
        min-height: 0;
        padding: .6rem 0;
    }
    .culBg4 .culEn{
        max-width: 100%;
    }
}
@media (max-width:640px) {
    .cul3List li:nth-child(2n){
        margin-top: 0;
    }

}
@media (max-width:460px) {
    .culTit img{
        width: .54rem;
    }
    .culText h4{
        font-size: 16px;
    }
    .culBg{
        font-size: 14px;
    }
}